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�* �* perl5/5.32/File/chdir.pmnu ��6�$ package File::chdir;
use 5.004;
use strict;
use vars qw($VERSION @ISA @EXPORT $CWD @CWD);
# ABSTRACT: a more sensible way to change directories
our $VERSION = '0.1011';
require Exporter;
@ISA = qw(Exporter);
@EXPORT = qw(*CWD);
use Carp;
use Cwd 3.16;
use File::Spec::Functions 3.27 qw/canonpath splitpath catpath splitdir catdir/;
tie $CWD, 'File::chdir::SCALAR' or die "Can't tie \$CWD";
tie @CWD, 'File::chdir::ARRAY' or die "Can't tie \@CWD";
sub _abs_path {
# Otherwise we'll never work under taint mode.
my($cwd) = Cwd::getcwd =~ /(.*)/s;
# Run through File::Spec, since everything else uses it
return canonpath($cwd);
}
# splitpath but also split directory
sub _split_cwd {
my ($vol, $dir) = splitpath(_abs_path, 1);
my @dirs = splitdir( $dir );
shift @dirs; # get rid of leading empty "root" directory
return ($vol, @dirs);
}
# catpath, but take list of directories
# restore the empty root dir and provide an empty file to avoid warnings
sub _catpath {
my ($vol, @dirs) = @_;
return catpath($vol, catdir(q{}, @dirs), q{});
}
sub _chdir {
# Untaint target directory
my ($new_dir) = $_[0] =~ /(.*)/s;
local $Carp::CarpLevel = $Carp::CarpLevel + 1;
if ( ! CORE::chdir($new_dir) ) {
croak "Failed to change directory to '$new_dir': $!";
};
return 1;
}
{
package File::chdir::SCALAR;
use Carp;
BEGIN {
*_abs_path = \&File::chdir::_abs_path;
*_chdir = \&File::chdir::_chdir;
*_split_cwd = \&File::chdir::_split_cwd;
*_catpath = \&File::chdir::_catpath;
}
sub TIESCALAR {
bless [], $_[0];
}
# To be safe, in case someone chdir'd out from under us, we always
# check the Cwd explicitly.
sub FETCH {
return _abs_path;
}
sub STORE {
return unless defined $_[1];
_chdir($_[1]);
}
}
{
package File::chdir::ARRAY;
use Carp;
BEGIN {
*_abs_path = \&File::chdir::_abs_path;
*_chdir = \&File::chdir::_chdir;
*_split_cwd = \&File::chdir::_split_cwd;
*_catpath = \&File::chdir::_catpath;
}
sub TIEARRAY {
bless {}, $_[0];
}
sub FETCH {
my($self, $idx) = @_;
my ($vol, @cwd) = _split_cwd;
return $cwd[$idx];
}
sub STORE {
my($self, $idx, $val) = @_;
my ($vol, @cwd) = _split_cwd;
if( $self->{Cleared} ) {
@cwd = ();
$self->{Cleared} = 0;
}
$cwd[$idx] = $val;
my $dir = _catpath($vol,@cwd);
_chdir($dir);
return $cwd[$idx];
}
sub FETCHSIZE {
my ($vol, @cwd) = _split_cwd;
return scalar @cwd;
}
sub STORESIZE {}
sub PUSH {
my($self) = shift;
my $dir = _catpath(_split_cwd, @_);
_chdir($dir);
return $self->FETCHSIZE;
}
sub POP {
my($self) = shift;
my ($vol, @cwd) = _split_cwd;
my $popped = pop @cwd;
my $dir = _catpath($vol,@cwd);
_chdir($dir);
return $popped;
}
sub SHIFT {
my($self) = shift;
my ($vol, @cwd) = _split_cwd;
my $shifted = shift @cwd;
my $dir = _catpath($vol,@cwd);
_chdir($dir);
return $shifted;
}
sub UNSHIFT {
my($self) = shift;
my ($vol, @cwd) = _split_cwd;
my $dir = _catpath($vol, @_, @cwd);
_chdir($dir);
return $self->FETCHSIZE;
}
sub CLEAR {
my($self) = shift;
$self->{Cleared} = 1;
}
sub SPLICE {
my $self = shift;
my $offset = shift || 0;
my $len = shift || $self->FETCHSIZE - $offset;
my @new_dirs = @_;
my ($vol, @cwd) = _split_cwd;
my @orig_dirs = splice @cwd, $offset, $len, @new_dirs;
my $dir = _catpath($vol, @cwd);
_chdir($dir);
return @orig_dirs;
}
sub EXTEND { }
sub EXISTS {
my($self, $idx) = @_;
return $self->FETCHSIZE >= $idx ? 1 : 0;
}
sub DELETE {
my($self, $idx) = @_;
croak "Can't delete except at the end of \@CWD"
if $idx < $self->FETCHSIZE - 1;
local $Carp::CarpLevel = $Carp::CarpLevel + 1;
$self->POP;
}
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
File::chdir - a more sensible way to change directories
=head1 VERSION
version 0.1011
=head1 SYNOPSIS
use File::chdir;
$CWD = "/foo/bar"; # now in /foo/bar
{
local $CWD = "/moo/baz"; # now in /moo/baz
...
}
# still in /foo/bar!
=head1 DESCRIPTION
Perl's C<chdir()> has the unfortunate problem of being very, very, very
global. If any part of your program calls C<chdir()> or if any library
you use calls C<chdir()>, it changes the current working directory for
the *whole* program.
This sucks.
File::chdir gives you an alternative, C<$CWD> and C<@CWD>. These two
variables combine all the power of C<chdir()>, L<File::Spec> and L<Cwd>.
=head1 $CWD
Use the C<$CWD> variable instead of C<chdir()> and Cwd.
use File::chdir;
$CWD = $dir; # just like chdir($dir)!
print $CWD; # prints the current working directory
It can be localized, and it does the right thing.
$CWD = "/foo"; # it's /foo out here.
{
local $CWD = "/bar"; # /bar in here
}
# still /foo out here!
C<$CWD> always returns the absolute path in the native form for the
operating system.
C<$CWD> and normal C<chdir()> work together just fine.
=head1 @CWD
C<@CWD> represents the current working directory as an array, each
directory in the path is an element of the array. This can often make
the directory easier to manipulate, and you don't have to fumble with
C<< File::Spec->splitpath >> and C<< File::Spec->catdir >> to make portable code.
# Similar to chdir("/usr/local/src/perl")
@CWD = qw(usr local src perl);
pop, push, shift, unshift and splice all work. pop and push are
probably the most useful.
pop @CWD; # same as chdir(File::Spec->updir)
push @CWD, 'some_dir' # same as chdir('some_dir')
C<@CWD> and C<$CWD> both work fine together.
*NOTE* Due to a perl bug you can't localize C<@CWD>. See L</CAVEATS> for a work around.
=head1 EXAMPLES
(We omit the C<use File::chdir> from these examples for terseness)
Here's C<$CWD> instead of C<chdir()>:
$CWD = 'foo'; # chdir('foo')
and now instead of Cwd.
print $CWD; # use Cwd; print Cwd::abs_path
you can even do zsh style C<cd foo bar>
$CWD = '/usr/local/foo';
$CWD =~ s/usr/var/;
if you want to localize that, make sure you get the parens right
{
(local $CWD) =~ s/usr/var/;
...
}
It's most useful for writing polite subroutines which don't leave the
program in some strange directory:
sub foo {
local $CWD = 'some/other/dir';
...do your work...
}
which is much simpler than the equivalent:
sub foo {
use Cwd;
my $orig_dir = Cwd::getcwd;
chdir('some/other/dir');
...do your work...
chdir($orig_dir);
}
C<@CWD> comes in handy when you want to start moving up and down the
directory hierarchy in a cross-platform manner without having to use
File::Spec.
pop @CWD; # chdir(File::Spec->updir);
push @CWD, 'some', 'dir' # chdir(File::Spec->catdir(qw(some dir)));
You can easily change your parent directory:
# chdir from /some/dir/bar/moo to /some/dir/foo/moo
$CWD[-2] = 'foo';
=head1 CAVEATS
=head2 C<local @CWD> does not work.
C<local @CWD> will not localize C<@CWD>. This is a bug in Perl, you
can't localize tied arrays. As a work around localizing $CWD will
effectively localize @CWD.
{
local $CWD;
pop @CWD;
...
}
=head2 Assigning to C<@CWD> calls C<chdir()> for each element
@CWD = qw/a b c d/;
Internally, Perl clears C<@CWD> and assigns each element in turn. Thus, this
code above will do this:
chdir 'a';
chdir 'a/b';
chdir 'a/b/c';
chdir 'a/b/c/d';
Generally, avoid assigning to C<@CWD> and just use push and pop instead.
=head2 Volumes not handled
There is currently no way to change the current volume via File::chdir.
=head1 NOTES
C<$CWD> returns the current directory using native path separators, i.e. C<\>
on Win32. This ensures that C<$CWD> will compare correctly with directories
created using File::Spec. For example:
my $working_dir = File::Spec->catdir( $CWD, "foo" );
$CWD = $working_dir;
doing_stuff_might_chdir();
is( $CWD, $working_dir, "back to original working_dir?" );
Deleting the last item of C<@CWD> will act like a pop. Deleting from the
middle will throw an exception.
delete @CWD[-1]; # OK
delete @CWD[-2]; # Dies
What should %CWD do? Something with volumes?
# chdir to C:\Program Files\Sierra\Half Life ?
$CWD{C} = '\\Program Files\\Sierra\\Half Life';
=head1 DIAGNOSTICS
If an error is encountered when changing C<$CWD> or C<@CWD>, one of
the following exceptions will be thrown:
* ~Can't delete except at the end of @CWD~
* ~Failed to change directory to '$dir'~
=head1 HISTORY
Michael wanted C<local chdir> to work. p5p didn't. But it wasn't over!
Was it over when the Germans bombed Pearl Harbor? Hell, no!
Abigail and/or Bryan Warnock suggested the C<$CWD> thing (Michael forgets
which). They were right.
The C<chdir()> override was eliminated in 0.04.
David became co-maintainer with 0.06_01 to fix some chronic
Win32 path bugs.
As of 0.08, if changing C<$CWD> or C<@CWD> fails to change the directory, an
error will be thrown.
=head1 SEE ALSO
L<File::pushd>, L<File::Spec>, L<Cwd>, L<perlfunc/chdir>,
"Animal House" L<http://www.imdb.com/title/tt0077975/quotes>
=for :stopwords cpan testmatrix url annocpan anno bugtracker rt cpants kwalitee diff irc mailto metadata placeholders metacpan
=head1 SUPPORT
=head2 Bugs / Feature Requests
Please report any bugs or feature requests through the issue tracker
at L<https://github.com/dagolden/File-chdir/issues>.
You will be notified automatically of any progress on your issue.
=head2 Source Code
This is open source software. The code repository is available for
public review and contribution under the terms of the license.
L<https://github.com/dagolden/File-chdir>
git clone https://github.com/dagolden/File-chdir.git
=head1 AUTHORS
=over 4
=item *
David Golden <dagolden@cpan.org>
=item *
Michael G. Schwern <schwern@pobox.com>
=back
=head1 CONTRIBUTORS
=for stopwords David Golden Joel Berger Philippe Bruhat (BooK)
=over 4
=item *
David Golden <xdg@xdg.me>
=item *
Joel Berger <joel.a.berger@gmail.com>
=item *
Philippe Bruhat (BooK) <book@cpan.org>
=back
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2016 by Michael G. Schwern and David Golden.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK 0fl\�?c��t �t perl5/5.32/Capture/Tiny.pmnu ��6�$ use 5.006;
use strict;
use warnings;
package Capture::Tiny;
# ABSTRACT: Capture STDOUT and STDERR from Perl, XS or external programs
our $VERSION = '0.50';
use Carp ();
use Exporter ();
use IO::Handle ();
use File::Spec ();
use File::Temp qw/tempfile tmpnam/;
use Scalar::Util qw/reftype blessed/;
# Get PerlIO or fake it
BEGIN {
local $@;
eval { require PerlIO; PerlIO->can('get_layers') }
or *PerlIO::get_layers = sub { return () };
}
#--------------------------------------------------------------------------#
# create API subroutines and export them
# [do STDOUT flag, do STDERR flag, do merge flag, do tee flag]
#--------------------------------------------------------------------------#
my %api = (
capture => [1,1,0,0],
capture_stdout => [1,0,0,0],
capture_stderr => [0,1,0,0],
capture_merged => [1,1,1,0],
tee => [1,1,0,1],
tee_stdout => [1,0,0,1],
tee_stderr => [0,1,0,1],
tee_merged => [1,1,1,1],
);
for my $sub ( keys %api ) {
my $args = join q{, }, @{$api{$sub}};
eval "sub $sub(&;@) {unshift \@_, $args; goto \\&_capture_tee;}"; ## no critic
}
our @ISA = qw/Exporter/;
our @EXPORT_OK = keys %api;
our %EXPORT_TAGS = ( 'all' => \@EXPORT_OK );
#--------------------------------------------------------------------------#
# constants and fixtures
#--------------------------------------------------------------------------#
my $IS_WIN32 = $^O eq 'MSWin32';
##our $DEBUG = $ENV{PERL_CAPTURE_TINY_DEBUG};
##
##my $DEBUGFH;
##open $DEBUGFH, "> DEBUG" if $DEBUG;
##
##*_debug = $DEBUG ? sub(@) { print {$DEBUGFH} @_ } : sub(){0};
our $TIMEOUT = 30;
#--------------------------------------------------------------------------#
# command to tee output -- the argument is a filename that must
# be opened to signal that the process is ready to receive input.
# This is annoying, but seems to be the best that can be done
# as a simple, portable IPC technique
#--------------------------------------------------------------------------#
my @cmd = ($^X, '-C0', '-e', <<'HERE');
use Fcntl;
$SIG{HUP}=sub{exit};
if ( my $fn=shift ) {
sysopen(my $fh, qq{$fn}, O_WRONLY|O_CREAT|O_EXCL) or die $!;
print {$fh} $$;
close $fh;
}
my $buf; while (sysread(STDIN, $buf, 2048)) {
syswrite(STDOUT, $buf); syswrite(STDERR, $buf);
}
HERE
#--------------------------------------------------------------------------#
# filehandle manipulation
#--------------------------------------------------------------------------#
sub _relayer {
my ($fh, $apply_layers) = @_;
# _debug("# requested layers (@{$layers}) for @{[fileno $fh]}\n");
# eliminate pseudo-layers
binmode( $fh, ":raw" );
# strip off real layers until only :unix is left
while ( 1 < ( my $layers =()= PerlIO::get_layers( $fh, output => 1 ) ) ) {
binmode( $fh, ":pop" );
}
# apply other layers
my @to_apply = @$apply_layers;
shift @to_apply; # eliminate initial :unix
# _debug("# applying layers (unix @to_apply) to @{[fileno $fh]}\n");
binmode($fh, ":" . join(":",@to_apply));
}
sub _name {
my $glob = shift;
no strict 'refs'; ## no critic
return *{$glob}{NAME};
}
sub _open {
open $_[0], $_[1] or Carp::confess "Error from open(" . join(q{, }, @_) . "): $!";
# _debug( "# open " . join( ", " , map { defined $_ ? _name($_) : 'undef' } @_ ) . " as " . fileno( $_[0] ) . "\n" );
}
sub _close {
# _debug( "# closing " . ( defined $_[0] ? _name($_[0]) : 'undef' ) . " on " . fileno( $_[0] ) . "\n" );
close $_[0] or Carp::confess "Error from close(" . join(q{, }, @_) . "): $!";
}
my %dup; # cache this so STDIN stays fd0
my %proxy_count;
sub _proxy_std {
my %proxies;
if ( ! defined fileno STDIN ) {
$proxy_count{stdin}++;
if (defined $dup{stdin}) {
_open \*STDIN, "<&=" . fileno($dup{stdin});
# _debug( "# restored proxy STDIN as " . (defined fileno STDIN ? fileno STDIN : 'undef' ) . "\n" );
}
else {
_open \*STDIN, "<" . File::Spec->devnull;
# _debug( "# proxied STDIN as " . (defined fileno STDIN ? fileno STDIN : 'undef' ) . "\n" );
_open $dup{stdin} = IO::Handle->new, "<&=STDIN";
}
$proxies{stdin} = \*STDIN;
binmode(STDIN, ':utf8') if $] >= 5.008; ## no critic
}
if ( ! defined fileno STDOUT ) {
$proxy_count{stdout}++;
if (defined $dup{stdout}) {
_open \*STDOUT, ">&=" . fileno($dup{stdout});
# _debug( "# restored proxy STDOUT as " . (defined fileno STDOUT ? fileno STDOUT : 'undef' ) . "\n" );
}
else {
_open \*STDOUT, ">" . File::Spec->devnull;
# _debug( "# proxied STDOUT as " . (defined fileno STDOUT ? fileno STDOUT : 'undef' ) . "\n" );
_open $dup{stdout} = IO::Handle->new, ">&=STDOUT";
}
$proxies{stdout} = \*STDOUT;
binmode(STDOUT, ':utf8') if $] >= 5.008; ## no critic
}
if ( ! defined fileno STDERR ) {
$proxy_count{stderr}++;
if (defined $dup{stderr}) {
_open \*STDERR, ">&=" . fileno($dup{stderr});
# _debug( "# restored proxy STDERR as " . (defined fileno STDERR ? fileno STDERR : 'undef' ) . "\n" );
}
else {
_open \*STDERR, ">" . File::Spec->devnull;
# _debug( "# proxied STDERR as " . (defined fileno STDERR ? fileno STDERR : 'undef' ) . "\n" );
_open $dup{stderr} = IO::Handle->new, ">&=STDERR";
}
$proxies{stderr} = \*STDERR;
binmode(STDERR, ':utf8') if $] >= 5.008; ## no critic
}
return %proxies;
}
sub _unproxy {
my (%proxies) = @_;
# _debug( "# unproxying: " . join(" ", keys %proxies) . "\n" );
for my $p ( keys %proxies ) {
$proxy_count{$p}--;
# _debug( "# unproxied " . uc($p) . " ($proxy_count{$p} left)\n" );
if ( ! $proxy_count{$p} ) {
_close $proxies{$p};
_close $dup{$p} unless $] < 5.008; # 5.6 will have already closed this as dup
delete $dup{$p};
}
}
}
sub _copy_std {
my %handles;
for my $h ( qw/stdout stderr stdin/ ) {
next if $h eq 'stdin' && ! $IS_WIN32; # WIN32 hangs on tee without STDIN copied
my $redir = $h eq 'stdin' ? "<&" : ">&";
_open $handles{$h} = IO::Handle->new(), $redir . uc($h); # ">&STDOUT" or "<&STDIN"
}
return \%handles;
}
# In some cases we open all (prior to forking) and in others we only open
# the output handles (setting up redirection)
sub _open_std {
my ($handles) = @_;
_open \*STDIN, "<&" . fileno $handles->{stdin} if defined $handles->{stdin};
_open \*STDOUT, ">&" . fileno $handles->{stdout} if defined $handles->{stdout};
_open \*STDERR, ">&" . fileno $handles->{stderr} if defined $handles->{stderr};
}
#--------------------------------------------------------------------------#
# private subs
#--------------------------------------------------------------------------#
sub _start_tee {
my ($which, $stash) = @_; # $which is "stdout" or "stderr"
# setup pipes
$stash->{$_}{$which} = IO::Handle->new for qw/tee reader/;
pipe $stash->{reader}{$which}, $stash->{tee}{$which};
# _debug( "# pipe for $which\: " . _name($stash->{tee}{$which}) . " " . fileno( $stash->{tee}{$which} ) . " => " . _name($stash->{reader}{$which}) . " " . fileno( $stash->{reader}{$which}) . "\n" );
select((select($stash->{tee}{$which}), $|=1)[0]); # autoflush
# setup desired redirection for parent and child
$stash->{new}{$which} = $stash->{tee}{$which};
$stash->{child}{$which} = {
stdin => $stash->{reader}{$which},
stdout => $stash->{old}{$which},
stderr => $stash->{capture}{$which},
};
# flag file is used to signal the child is ready
$stash->{flag_files}{$which} = scalar( tmpnam() ) . $$;
# execute @cmd as a separate process
if ( $IS_WIN32 ) {
my $old_eval_err=$@;
undef $@;
eval "use Win32API::File qw/GetOsFHandle SetHandleInformation fileLastError HANDLE_FLAG_INHERIT INVALID_HANDLE_VALUE/ ";
# _debug( "# Win32API::File loaded\n") unless $@;
my $os_fhandle = GetOsFHandle( $stash->{tee}{$which} );
# _debug( "# Couldn't get OS handle: " . fileLastError() . "\n") if ! defined $os_fhandle || $os_fhandle == INVALID_HANDLE_VALUE();
my $result = SetHandleInformation( $os_fhandle, HANDLE_FLAG_INHERIT(), 0);
# _debug( $result ? "# set no-inherit flag on $which tee\n" : ("# can't disable tee handle flag inherit: " . fileLastError() . "\n"));
_open_std( $stash->{child}{$which} );
$stash->{pid}{$which} = system(1, @cmd, $stash->{flag_files}{$which});
# not restoring std here as it all gets redirected again shortly anyway
$@=$old_eval_err;
}
else { # use fork
_fork_exec( $which, $stash );
}
}
sub _fork_exec {
my ($which, $stash) = @_; # $which is "stdout" or "stderr"
my $pid = fork;
if ( not defined $pid ) {
Carp::confess "Couldn't fork(): $!";
}
elsif ($pid == 0) { # child
# _debug( "# in child process ...\n" );
untie *STDIN; untie *STDOUT; untie *STDERR;
_close $stash->{tee}{$which};
# _debug( "# redirecting handles in child ...\n" );
_open_std( $stash->{child}{$which} );
# _debug( "# calling exec on command ...\n" );
exec @cmd, $stash->{flag_files}{$which};
}
$stash->{pid}{$which} = $pid
}
my $have_usleep = eval "use Time::HiRes 'usleep'; 1";
sub _files_exist {
return 1 if @_ == grep { -f } @_;
Time::HiRes::usleep(1000) if $have_usleep;
return 0;
}
sub _wait_for_tees {
my ($stash) = @_;
my $start = time;
my @files = values %{$stash->{flag_files}};
my $timeout = defined $ENV{PERL_CAPTURE_TINY_TIMEOUT}
? $ENV{PERL_CAPTURE_TINY_TIMEOUT} : $TIMEOUT;
1 until _files_exist(@files) || ($timeout && (time - $start > $timeout));
Carp::confess "Timed out waiting for subprocesses to start" if ! _files_exist(@files);
unlink $_ for @files;
}
sub _kill_tees {
my ($stash) = @_;
if ( $IS_WIN32 ) {
# _debug( "# closing handles\n");
close($_) for values %{ $stash->{tee} };
# _debug( "# waiting for subprocesses to finish\n");
my $start = time;
1 until wait == -1 || (time - $start > 30);
}
else {
_close $_ for values %{ $stash->{tee} };
waitpid $_, 0 for values %{ $stash->{pid} };
}
}
sub _slurp {
my ($name, $stash) = @_;
my ($fh, $pos) = map { $stash->{$_}{$name} } qw/capture pos/;
# _debug( "# slurping captured $name from " . fileno($fh) . " at pos $pos with layers: @{[PerlIO::get_layers($fh)]}\n");
seek( $fh, $pos, 0 ) or die "Couldn't seek on capture handle for $name\n";
my $text = do { local $/; scalar readline $fh };
return defined($text) ? $text : "";
}
#--------------------------------------------------------------------------#
# _capture_tee() -- generic main sub for capturing or teeing
#--------------------------------------------------------------------------#
sub _capture_tee {
# _debug( "# starting _capture_tee with (@_)...\n" );
my ($do_stdout, $do_stderr, $do_merge, $do_tee, $code, @opts) = @_;
my %do = ($do_stdout ? (stdout => 1) : (), $do_stderr ? (stderr => 1) : ());
Carp::confess("Custom capture options must be given as key/value pairs\n")
unless @opts % 2 == 0;
my $stash = { capture => { @opts } };
for ( keys %{$stash->{capture}} ) {
my $fh = $stash->{capture}{$_};
Carp::confess "Custom handle for $_ must be seekable\n"
unless ref($fh) eq 'GLOB' || (blessed($fh) && $fh->isa("IO::Seekable"));
}
# save existing filehandles and setup captures
local *CT_ORIG_STDIN = *STDIN ;
local *CT_ORIG_STDOUT = *STDOUT;
local *CT_ORIG_STDERR = *STDERR;
# find initial layers
my %layers = (
stdin => [PerlIO::get_layers(\*STDIN) ],
stdout => [PerlIO::get_layers(\*STDOUT, output => 1)],
stderr => [PerlIO::get_layers(\*STDERR, output => 1)],
);
# _debug( "# existing layers for $_\: @{$layers{$_}}\n" ) for qw/stdin stdout stderr/;
# get layers from underlying glob of tied filehandles if we can
# (this only works for things that work like Tie::StdHandle)
$layers{stdout} = [PerlIO::get_layers(tied *STDOUT)]
if tied(*STDOUT) && (reftype tied *STDOUT eq 'GLOB');
$layers{stderr} = [PerlIO::get_layers(tied *STDERR)]
if tied(*STDERR) && (reftype tied *STDERR eq 'GLOB');
# _debug( "# tied object corrected layers for $_\: @{$layers{$_}}\n" ) for qw/stdin stdout stderr/;
# bypass scalar filehandles and tied handles
# localize scalar STDIN to get a proxy to pick up FD0, then restore later to CT_ORIG_STDIN
my %localize;
$localize{stdin}++, local(*STDIN)
if grep { $_ eq 'scalar' } @{$layers{stdin}};
$localize{stdout}++, local(*STDOUT)
if $do_stdout && grep { $_ eq 'scalar' } @{$layers{stdout}};
$localize{stderr}++, local(*STDERR)
if ($do_stderr || $do_merge) && grep { $_ eq 'scalar' } @{$layers{stderr}};
$localize{stdin}++, local(*STDIN), _open( \*STDIN, "<&=0")
if tied *STDIN && $] >= 5.008;
$localize{stdout}++, local(*STDOUT), _open( \*STDOUT, ">&=1")
if $do_stdout && tied *STDOUT && $] >= 5.008;
$localize{stderr}++, local(*STDERR), _open( \*STDERR, ">&=2")
if ($do_stderr || $do_merge) && tied *STDERR && $] >= 5.008;
# _debug( "# localized $_\n" ) for keys %localize;
# proxy any closed/localized handles so we don't use fds 0, 1 or 2
my %proxy_std = _proxy_std();
# _debug( "# proxy std: @{ [%proxy_std] }\n" );
# update layers after any proxying
$layers{stdout} = [PerlIO::get_layers(\*STDOUT, output => 1)] if $proxy_std{stdout};
$layers{stderr} = [PerlIO::get_layers(\*STDERR, output => 1)] if $proxy_std{stderr};
# _debug( "# post-proxy layers for $_\: @{$layers{$_}}\n" ) for qw/stdin stdout stderr/;
# store old handles and setup handles for capture
$stash->{old} = _copy_std();
$stash->{new} = { %{$stash->{old}} }; # default to originals
for ( keys %do ) {
$stash->{new}{$_} = ($stash->{capture}{$_} ||= File::Temp->new);
seek( $stash->{capture}{$_}, 0, 2 ) or die "Could not seek on capture handle for $_\n";
$stash->{pos}{$_} = tell $stash->{capture}{$_};
# _debug("# will capture $_ on " . fileno($stash->{capture}{$_})."\n" );
_start_tee( $_ => $stash ) if $do_tee; # tees may change $stash->{new}
}
_wait_for_tees( $stash ) if $do_tee;
# finalize redirection
$stash->{new}{stderr} = $stash->{new}{stdout} if $do_merge;
# _debug( "# redirecting in parent ...\n" );
_open_std( $stash->{new} );
# execute user provided code
my ($exit_code, $inner_error, $outer_error, $orig_pid, @result);
{
$orig_pid = $$;
local *STDIN = *CT_ORIG_STDIN if $localize{stdin}; # get original, not proxy STDIN
# _debug( "# finalizing layers ...\n" );
_relayer(\*STDOUT, $layers{stdout}) if $do_stdout;
_relayer(\*STDERR, $layers{stderr}) if $do_stderr;
# _debug( "# running code $code ...\n" );
my $old_eval_err=$@;
undef $@;
eval { @result = $code->(); $inner_error = $@ };
$exit_code = $?; # save this for later
$outer_error = $@; # save this for later
STDOUT->flush if $do_stdout;
STDERR->flush if $do_stderr;
$@ = $old_eval_err;
}
# restore prior filehandles and shut down tees
# _debug( "# restoring filehandles ...\n" );
_open_std( $stash->{old} );
_close( $_ ) for values %{$stash->{old}}; # don't leak fds
# shouldn't need relayering originals, but see rt.perl.org #114404
_relayer(\*STDOUT, $layers{stdout}) if $do_stdout;
_relayer(\*STDERR, $layers{stderr}) if $do_stderr;
_unproxy( %proxy_std );
# _debug( "# killing tee subprocesses ...\n" ) if $do_tee;
_kill_tees( $stash ) if $do_tee;
# return captured output, but shortcut in void context
# unless we have to echo output to tied/scalar handles;
my %got;
if ( $orig_pid == $$ and ( defined wantarray or ($do_tee && keys %localize) ) ) {
for ( keys %do ) {
_relayer($stash->{capture}{$_}, $layers{$_});
$got{$_} = _slurp($_, $stash);
# _debug("# slurped " . length($got{$_}) . " bytes from $_\n");
}
print CT_ORIG_STDOUT $got{stdout}
if $do_stdout && $do_tee && $localize{stdout};
print CT_ORIG_STDERR $got{stderr}
if $do_stderr && $do_tee && $localize{stderr};
}
$? = $exit_code;
$@ = $inner_error if $inner_error;
die $outer_error if $outer_error;
# _debug( "# ending _capture_tee with (@_)...\n" );
return unless defined wantarray;
my @return;
push @return, $got{stdout} if $do_stdout;
push @return, $got{stderr} if $do_stderr && ! $do_merge;
push @return, @result;
return wantarray ? @return : $return[0];
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Capture::Tiny - Capture STDOUT and STDERR from Perl, XS or external programs
=head1 VERSION
version 0.50
=head1 SYNOPSIS
use Capture::Tiny ':all';
# capture from external command
($stdout, $stderr, $exit) = capture {
system( $cmd, @args );
};
# capture from arbitrary code (Perl or external)
($stdout, $stderr, @result) = capture {
# your code here
};
# capture partial or merged output
$stdout = capture_stdout { ... };
$stderr = capture_stderr { ... };
$merged = capture_merged { ... };
# tee output
($stdout, $stderr) = tee {
# your code here
};
$stdout = tee_stdout { ... };
$stderr = tee_stderr { ... };
$merged = tee_merged { ... };
=head1 DESCRIPTION
Capture::Tiny provides a simple, portable way to capture almost anything sent
to STDOUT or STDERR, regardless of whether it comes from Perl, from XS code or
from an external program. Optionally, output can be teed so that it is
captured while being passed through to the original filehandles. Yes, it even
works on Windows (usually). Stop guessing which of a dozen capturing modules
to use in any particular situation and just use this one.
=head1 USAGE
The following functions are available. None are exported by default.
=head2 capture
($stdout, $stderr, @result) = capture \&code;
$stdout = capture \&code;
The C<capture> function takes a code reference and returns what is sent to
STDOUT and STDERR as well as any return values from the code reference. In
scalar context, it returns only STDOUT. If no output was received for a
filehandle, it returns an empty string for that filehandle. Regardless of calling
context, all output is captured -- nothing is passed to the existing filehandles.
It is prototyped to take a subroutine reference as an argument. Thus, it
can be called in block form:
($stdout, $stderr) = capture {
# your code here ...
};
Note that the coderef is evaluated in list context. If you wish to force
scalar context on the return value, you must use the C<scalar> keyword.
($stdout, $stderr, $count) = capture {
my @list = qw/one two three/;
return scalar @list; # $count will be 3
};
Also note that within the coderef, the C<@_> variable will be empty. So don't
use arguments from a surrounding subroutine without copying them to an array
first:
sub wont_work {
my ($stdout, $stderr) = capture { do_stuff( @_ ) }; # WRONG
...
}
sub will_work {
my @args = @_;
my ($stdout, $stderr) = capture { do_stuff( @args ) }; # RIGHT
...
}
Captures are normally done to an anonymous temporary filehandle. To
capture via a named file (e.g. to externally monitor a long-running capture),
provide custom filehandles as a trailing list of option pairs:
my $out_fh = IO::File->new("out.txt", "w+");
my $err_fh = IO::File->new("err.txt", "w+");
capture { ... } stdout => $out_fh, stderr => $err_fh;
The filehandles must be read/write and seekable. Modifying the files or
filehandles during a capture operation will give unpredictable results.
Existing IO layers on them may be changed by the capture.
When called in void context, C<capture> saves memory and time by
not reading back from the capture handles.
=head2 capture_stdout
($stdout, @result) = capture_stdout \&code;
$stdout = capture_stdout \&code;
The C<capture_stdout> function works just like C<capture> except only
STDOUT is captured. STDERR is not captured.
=head2 capture_stderr
($stderr, @result) = capture_stderr \&code;
$stderr = capture_stderr \&code;
The C<capture_stderr> function works just like C<capture> except only
STDERR is captured. STDOUT is not captured.
=head2 capture_merged
($merged, @result) = capture_merged \&code;
$merged = capture_merged \&code;
The C<capture_merged> function works just like C<capture> except STDOUT and
STDERR are merged. (Technically, STDERR is redirected to the same capturing
handle as STDOUT before executing the function.)
Caution: STDOUT and STDERR output in the merged result are not guaranteed to be
properly ordered due to buffering.
=head2 tee
($stdout, $stderr, @result) = tee \&code;
$stdout = tee \&code;
The C<tee> function works just like C<capture>, except that output is captured
as well as passed on to the original STDOUT and STDERR.
When called in void context, C<tee> saves memory and time by
not reading back from the capture handles, except when the
original STDOUT or STDERR were tied or opened to a scalar
handle.
=head2 tee_stdout
($stdout, @result) = tee_stdout \&code;
$stdout = tee_stdout \&code;
The C<tee_stdout> function works just like C<tee> except only
STDOUT is teed. STDERR is not teed (output goes to STDERR as usual).
=head2 tee_stderr
($stderr, @result) = tee_stderr \&code;
$stderr = tee_stderr \&code;
The C<tee_stderr> function works just like C<tee> except only
STDERR is teed. STDOUT is not teed (output goes to STDOUT as usual).
=head2 tee_merged
($merged, @result) = tee_merged \&code;
$merged = tee_merged \&code;
The C<tee_merged> function works just like C<capture_merged> except that output
is captured as well as passed on to STDOUT.
Caution: STDOUT and STDERR output in the merged result are not guaranteed to be
properly ordered due to buffering.
=head1 LIMITATIONS
=head2 Portability
Portability is a goal, not a guarantee. C<tee> requires fork, except on
Windows where C<system(1, @cmd)> is used instead. Not tested on any
particularly esoteric platforms yet. See the
L<CPAN Testers Matrix|http://matrix.cpantesters.org/?dist=Capture-Tiny>
for test result by platform.
=head2 PerlIO layers
Capture::Tiny does its best to preserve PerlIO layers such as ':utf8' or
':crlf' when capturing (only for Perl 5.8.1+) . Layers should be applied to
STDOUT or STDERR I<before> the call to C<capture> or C<tee>. This may not work
for tied filehandles (see below).
=head2 Modifying filehandles before capturing
Generally speaking, you should do little or no manipulation of the standard IO
filehandles prior to using Capture::Tiny. In particular, closing, reopening,
localizing or tying standard filehandles prior to capture may cause a variety of
unexpected, undesirable and/or unreliable behaviors, as described below.
Capture::Tiny does its best to compensate for these situations, but the
results may not be what you desire.
=head3 Closed filehandles
Capture::Tiny will work even if STDIN, STDOUT or STDERR have been previously
closed. However, since they will be reopened to capture or tee output, any
code within the captured block that depends on finding them closed will, of
course, not find them to be closed. If they started closed, Capture::Tiny will
close them again when the capture block finishes.
Note that this reopening will happen even for STDIN or a filehandle not being
captured to ensure that the filehandle used for capture is not opened to file
descriptor 0, as this causes problems on various platforms.
Prior to Perl 5.12, closed STDIN combined with PERL_UNICODE=D leaks filehandles
and also breaks tee() for undiagnosed reasons. So don't do that.
=head3 Localized filehandles
If code localizes any of Perl's standard filehandles before capturing, the capture
will affect the localized filehandles and not the original ones. External system
calls are not affected by localizing a filehandle in Perl and will continue
to send output to the original filehandles (which will thus not be captured).
=head3 Scalar filehandles
If STDOUT or STDERR are reopened to scalar filehandles prior to the call to
C<capture> or C<tee>, then Capture::Tiny will override the output filehandle for
the duration of the C<capture> or C<tee> call and then, for C<tee>, send captured
output to the output filehandle after the capture is complete. (Requires Perl
5.8)
Capture::Tiny attempts to preserve the semantics of STDIN opened to a scalar
reference, but note that external processes will not be able to read from such
a handle. Capture::Tiny tries to ensure that external processes will read from
the null device instead, but this is not guaranteed.
=head3 Tied output filehandles
If STDOUT or STDERR are tied prior to the call to C<capture> or C<tee>, then
Capture::Tiny will attempt to override the tie for the duration of the
C<capture> or C<tee> call and then send captured output to the tied filehandle after
the capture is complete. (Requires Perl 5.8)
Capture::Tiny may not succeed resending UTF-8 encoded data to a tied
STDOUT or STDERR filehandle. Characters may appear as bytes. If the tied filehandle
is based on L<Tie::StdHandle>, then Capture::Tiny will attempt to determine
appropriate layers like C<:utf8> from the underlying filehandle and do the right
thing.
=head3 Tied input filehandle
Capture::Tiny attempts to preserve the semantics of tied STDIN, but this
requires Perl 5.8 and is not entirely predictable. External processes
will not be able to read from such a handle.
Unless having STDIN tied is crucial, it may be safest to localize STDIN when
capturing:
my ($out, $err) = do { local *STDIN; capture { ... } };
=head2 Modifying filehandles during a capture
Attempting to modify STDIN, STDOUT or STDERR I<during> C<capture> or C<tee> is
almost certainly going to cause problems. Don't do that.
=head3 Forking inside a capture
Forks aren't portable. The behavior of filehandles during a fork is even
less so. If Capture::Tiny detects that a fork has occurred within a
capture, it will shortcut in the child process and return empty strings for
captures. Other problems may occur in the child or parent, as well.
Forking in a capture block is not recommended.
=head3 Using threads
Filehandles are global. Mixing up I/O and captures in different threads
without coordination is going to cause problems. Besides, threads are
officially discouraged.
=head3 Dropping privileges during a capture
If you drop privileges during a capture, temporary files created to
facilitate the capture may not be cleaned up afterwards.
=head2 No support for Perl 5.8.0
It's just too buggy when it comes to layers and UTF-8. Perl 5.8.1 or later
is recommended.
=head2 Limited support for Perl 5.6
Perl 5.6 predates PerlIO. UTF-8 data may not be captured correctly.
=head1 ENVIRONMENT
=head2 PERL_CAPTURE_TINY_TIMEOUT
Capture::Tiny uses subprocesses internally for C<tee>. By default,
Capture::Tiny will timeout with an error if such subprocesses are not ready to
receive data within 30 seconds (or whatever is the value of
C<$Capture::Tiny::TIMEOUT>). An alternate timeout may be specified by setting
the C<PERL_CAPTURE_TINY_TIMEOUT> environment variable. Setting it to zero will
disable timeouts. B<NOTE>, this does not timeout the code reference being
captured -- this only prevents Capture::Tiny itself from hanging your process
waiting for its child processes to be ready to proceed.
=head1 SEE ALSO
This module was inspired by L<IO::CaptureOutput>, which provides
similar functionality without the ability to tee output and with more
complicated code and API. L<IO::CaptureOutput> does not handle layers
or most of the unusual cases described in the L</LIMITATIONS> section and
I no longer recommend it.
There are many other CPAN modules that provide some sort of output capture,
albeit with various limitations that make them appropriate only in particular
circumstances. I'm probably missing some. The long list is provided to show
why I felt Capture::Tiny was necessary.
=over 4
=item *
L<IO::Capture>
=item *
L<IO::Capture::Extended>
=item *
L<IO::CaptureOutput>
=item *
L<IPC::Capture>
=item *
L<IPC::Cmd>
=item *
L<IPC::Open2>
=item *
L<IPC::Open3>
=item *
L<IPC::Open3::Simple>
=item *
L<IPC::Open3::Utils>
=item *
L<IPC::Run>
=item *
L<IPC::Run::SafeHandles>
=item *
L<IPC::Run::Simple>
=item *
L<IPC::Run3>
=item *
L<IPC::System::Simple>
=item *
L<Tee>
=item *
L<IO::Tee>
=item *
L<File::Tee>
=item *
L<Filter::Handle>
=item *
L<Tie::STDERR>
=item *
L<Tie::STDOUT>
=item *
L<Test::Output>
=back
=for :stopwords cpan testmatrix url bugtracker rt cpants kwalitee diff irc mailto metadata placeholders metacpan
=head1 SUPPORT
=head2 Bugs / Feature Requests
Please report any bugs or feature requests through the issue tracker
at L<https://github.com/dagolden/Capture-Tiny/issues>.
You will be notified automatically of any progress on your issue.
=head2 Source Code
This is open source software. The code repository is available for
public review and contribution under the terms of the license.
L<https://github.com/dagolden/Capture-Tiny>
git clone https://github.com/dagolden/Capture-Tiny.git
=head1 AUTHOR
David Golden <dagolden@cpan.org>
=head1 CONTRIBUTORS
=for stopwords Dagfinn Ilmari Mannsåker David E. Wheeler Ed Sabol fecundf Graham Knop Karen Etheridge Mohammad S Anwar Peter Rabbitson Sven Kirmess
=over 4
=item *
Dagfinn Ilmari Mannsåker <ilmari@ilmari.org>
=item *
David E. Wheeler <david@justatheory.com>
=item *
Ed Sabol <esabol@users.noreply.github.com>
=item *
fecundf <not.com+github@gmail.com>
=item *
Graham Knop <haarg@haarg.org>
=item *
Karen Etheridge <ether@cpan.org>
=item *
Mohammad S Anwar <mohammad.anwar@yahoo.com>
=item *
Peter Rabbitson <ribasushi@cpan.org>
=item *
Sven Kirmess <sven.kirmess@kzone.ch>
=back
=head1 COPYRIGHT AND LICENSE
This software is Copyright (c) 2009 by David Golden.
This is free software, licensed under:
The Apache License, Version 2.0, January 2004
=cut
PK 5fl\��n�t �t perl5/5.32/Test/Alien.pmnu ��6�$ package Test::Alien;
use strict;
use warnings;
use 5.008004;
use Env qw( @PATH );
use File::Which 1.10 qw( which );
use Capture::Tiny qw( capture capture_merged );
use Alien::Build::Temp;
use File::Copy qw( move );
use Text::ParseWords qw( shellwords );
use Test2::API qw( context run_subtest );
use Exporter qw( import );
use Path::Tiny qw( path );
use Alien::Build::Util qw( _dump );
use Config;
our @EXPORT = qw( alien_ok run_ok xs_ok ffi_ok with_subtest synthetic helper_ok interpolate_template_is interpolate_run_ok plugin_ok );
# ABSTRACT: Testing tools for Alien modules
our $VERSION = '2.84'; # VERSION
our @aliens;
sub alien_ok ($;$)
{
my($alien, $message) = @_;
my $name = ref $alien ? ref($alien) . '[instance]' : $alien;
$name = 'undef' unless defined $name;
my @methods = qw( cflags libs dynamic_libs bin_dir );
$message ||= "$name responds to: @methods";
my $ok;
my @diag;
if(defined $alien)
{
my @missing = grep { ! $alien->can($_) } @methods;
$ok = !@missing;
push @diag, map { " missing method $_" } @missing;
if($ok)
{
push @aliens, $alien;
if($^O eq 'MSWin32' && $alien->isa('Alien::MSYS'))
{
unshift @PATH, Alien::MSYS::msys_path();
}
else
{
unshift @PATH, $alien->bin_dir;
}
}
if($alien->can('alien_helper'))
{
my($intr) = _interpolator();
my $help = eval { $alien->alien_helper };
if(my $error = $@)
{
$ok = 0;
push @diag, " error getting helpers: $error";
}
foreach my $name (keys %$help)
{
my $code = $help->{$name};
$intr->replace_helper($name, $code);
}
}
}
else
{
$ok = 0;
push @diag, " undefined alien";
}
my $ctx = context();
$ctx->ok($ok, $message);
$ctx->diag($_) for @diag;
$ctx->release;
$ok;
}
sub synthetic
{
my($opt) = @_;
$opt ||= {};
my %alien = %$opt;
require Test::Alien::Synthetic;
bless \%alien, 'Test::Alien::Synthetic',
}
sub run_ok
{
my($command, $message) = @_;
my(@command) = ref $command ? @$command : (do {
my $command = $command; # make a copy
# Double the backslashes so that when they are unescaped by shellwords(),
# they become a single backslash. This should be fine on Windows since
# backslashes are not used to escape metacharacters in cmd.exe.
$command =~ s/\\/\\\\/g if $^O eq 'MSWin32';
shellwords $command;
});
$message ||= ref $command ? "run @command" : "run $command";
require Test::Alien::Run;
my $run = bless {
out => '',
err => '',
exit => 0,
sig => 0,
cmd => [@command],
}, 'Test::Alien::Run';
my $ctx = context();
my $exe = which $command[0];
if(defined $exe)
{
if(ref $command)
{
shift @command;
$run->{cmd} = [$exe, @command];
}
else
{
$run->{cmd} = [$command];
}
my @diag;
my $ok = 1;
my($exit, $errno);
($run->{out}, $run->{err}, $exit, $errno) = capture {
if(ref $command)
{
system $exe, @command;
}
else
{
system $command;
}
($?,$!);
};
if($exit == -1)
{
$ok = 0;
$run->{fail} = "failed to execute: $errno";
push @diag, " failed to execute: $errno";
}
elsif($exit & 127)
{
$ok = 0;
push @diag, " killed with signal: @{[ $exit & 127 ]}";
$run->{sig} = $exit & 127;
}
else
{
$run->{exit} = $exit >> 8;
}
$ctx->ok($ok, $message);
$ok
? $ctx->note(" using $exe")
: $ctx->diag(" using $exe");
$ctx->diag(@diag) for @diag;
}
else
{
$ctx->ok(0, $message);
$ctx->diag(" command not found");
$run->{fail} = 'command not found';
}
unless(@aliens || $ENV{TEST_ALIEN_ALIENS_MISSING})
{
$ctx->diag("run_ok called without any aliens, you may want to call alien_ok");
}
$ctx->release;
$run;
}
sub _flags
{
my($class, $method) = @_;
my $static = "${method}_static";
$class->can($static) && $class->can('install_type') && $class->install_type eq 'share' && (!$class->can('xs_load'))
? $class->$static
: $class->$method;
}
sub xs_ok
{
my $cb;
$cb = pop if defined $_[-1] && ref $_[-1] eq 'CODE';
my($xs, $message) = @_;
$message ||= 'xs';
$xs = { xs => $xs } unless ref $xs;
# make sure this is a copy because we may
# modify it.
$xs->{xs} = "@{[ $xs->{xs} ]}";
$xs->{pxs} ||= {};
$xs->{cbuilder_check} ||= 'have_compiler';
$xs->{cbuilder_config} ||= {};
$xs->{cbuilder_compile} ||= {};
$xs->{cbuilder_link} ||= {};
require ExtUtils::CBuilder;
my $skip = do {
my $have_compiler = $xs->{cbuilder_check};
my %config = %{ $xs->{cbuilder_config} };
!ExtUtils::CBuilder->new( config => \%config )->$have_compiler;
};
if($skip)
{
my $ctx = context();
$ctx->skip($message, 'test requires a compiler');
$ctx->skip("$message subtest", 'test requires a compiler') if $cb;
$ctx->release;
return;
}
if($xs->{cpp} || $xs->{'C++'})
{
my $ctx = context();
$ctx->bail("The cpp and C++ options have been removed from xs_ok");
}
else
{
$xs->{c_ext} ||= 'c';
}
my $verbose = $xs->{verbose} || 0;
my $ok = 1;
my @diag;
my $dir = Alien::Build::Temp->newdir(
TEMPLATE => 'test-alien-XXXXXX',
CLEANUP => $^O =~ /^(MSWin32|cygwin|msys)$/ ? 0 : 1,
);
my $xs_filename = path($dir)->child('test.xs')->stringify;
my $c_filename = path($dir)->child("test.@{[ $xs->{c_ext} ]}")->stringify;
my $ctx = context();
my $module;
if($ENV{TEST_ALIEN_ALWAYS_KEEP})
{
$dir->unlink_on_destroy(0);
$ctx->note("keeping XS temporary directory $dir at user request");
}
if($xs->{xs} =~ /\bTA_MODULE\b/)
{
our $count;
$count = 0 unless defined $count;
my $name = sprintf "Test::Alien::XS::Mod%s%s", $count, chr(65 + $count % 26 ) x 4;
$count++;
my $code = $xs->{xs};
$code =~ s{\bTA_MODULE\b}{$name}g;
$xs->{xs} = $code;
}
# this regex copied shamefully from ExtUtils::ParseXS
# in part because we need the module name to do the bootstrap
# and also because if this regex doesn't match then ParseXS
# does an exit() which we don't want.
if($xs->{xs} =~ /^MODULE\s*=\s*([\w:]+)(?:\s+PACKAGE\s*=\s*([\w:]+))?(?:\s+PREFIX\s*=\s*(\S+))?\s*$/m)
{
$module = $1;
$ctx->note("detect module name $module") if $verbose;
}
else
{
$ok = 0;
push @diag, ' XS does not have a module decleration that we could find';
}
if($ok)
{
open my $fh, '>', $xs_filename;
print $fh $xs->{xs};
close $fh;
require ExtUtils::ParseXS;
my $pxs = ExtUtils::ParseXS->new;
my($out, $err) = capture_merged {
eval {
$pxs->process_file(
filename => $xs_filename,
output => $c_filename,
versioncheck => 0,
prototypes => 0,
%{ $xs->{pxs} },
);
};
$@;
};
$ctx->note("parse xs $xs_filename => $c_filename") if $verbose;
$ctx->note($out) if $verbose;
$ctx->note("error: $err") if $verbose && $err;
unless($pxs->report_error_count == 0)
{
$ok = 0;
push @diag, ' ExtUtils::ParseXS failed:';
push @diag, " $err" if $err;
push @diag, " $_" for split /\r?\n/, $out;
}
}
push @diag, "xs_ok called without any aliens, you may want to call alien_ok" unless @aliens || $ENV{TEST_ALIEN_ALIENS_MISSING};
if($ok)
{
my $cb = ExtUtils::CBuilder->new(
config => do {
my %config = %{ $xs->{cbuilder_config} };
my $lddlflags = join(' ', grep !/^-l/, shellwords map { _flags $_, 'libs' } @aliens) . " $Config{lddlflags}";
$config{lddlflags} = defined $config{lddlflags} ? "$lddlflags $config{lddlflags}" : $lddlflags;
\%config;
},
);
my %compile_options = (
source => $c_filename,
%{ $xs->{cbuilder_compile} },
);
if(defined $compile_options{extra_compiler_flags} && ref($compile_options{extra_compiler_flags}) eq '')
{
$compile_options{extra_compiler_flags} = [ shellwords $compile_options{extra_compiler_flags} ];
}
push @{ $compile_options{extra_compiler_flags} }, shellwords map { _flags $_, 'cflags' } @aliens;
my($out, $obj, $err) = capture_merged {
my $obj = eval {
$cb->compile(%compile_options);
};
($obj, $@);
};
$ctx->note("compile $c_filename") if $verbose;
$ctx->note($out) if $verbose;
$ctx->note($err) if $verbose && $err;
if($verbose > 1)
{
$ctx->note(_dump({ compile_options => \%compile_options }));
}
unless($obj)
{
$ok = 0;
push @diag, ' ExtUtils::CBuilder->compile failed';
push @diag, " $err" if $err;
push @diag, " $_" for split /\r?\n/, $out;
}
if($ok)
{
my %link_options = (
objects => [$obj],
module_name => $module,
%{ $xs->{cbuilder_link} },
);
if(defined $link_options{extra_linker_flags} && ref($link_options{extra_linker_flags}) eq '')
{
$link_options{extra_linker_flags} = [ shellwords $link_options{extra_linker_flags} ];
}
unshift @{ $link_options{extra_linker_flags} }, grep /^-l/, shellwords map { _flags $_, 'libs' } @aliens;
my($out, $lib, $err) = capture_merged {
my $lib = eval {
$cb->link(%link_options);
};
($lib, $@);
};
$ctx->note("link $obj") if $verbose;
$ctx->note($out) if $verbose;
$ctx->note($err) if $verbose && $err;
if($verbose > 1)
{
$ctx->note(_dump({ link_options => \%link_options }));
}
if($lib && -f $lib)
{
$ctx->note("created lib $lib") if $xs->{verbose};
}
else
{
$ok = 0;
push @diag, ' ExtUtils::CBuilder->link failed';
push @diag, " $err" if $err;
push @diag, " $_" for split /\r?\n/, $out;
}
if($ok)
{
my @modparts = split(/::/,$module);
my $dl_dlext = $Config{dlext};
my $modfname = $modparts[-1];
my $libpath = path($dir)->child('auto', @modparts, "$modfname.$dl_dlext");
$libpath->parent->mkpath;
move($lib, "$libpath") || die "unable to copy $lib => $libpath $!";
pop @modparts;
my $pmpath = path($dir)->child(@modparts, "$modfname.pm");
$pmpath->parent->mkpath;
open my $fh, '>', "$pmpath";
my($alien_with_xs_load, @rest) = grep { $_->can('xs_load') } @aliens;
if($alien_with_xs_load)
{
{
no strict 'refs';
@{join '::', $module, 'rest'} = @rest;
${join '::', $module, 'alien_with_xs_load'} = $alien_with_xs_load;
}
print $fh '# line '. __LINE__ . ' "' . __FILE__ . qq("\n) . qq{
package $module;
use strict;
use warnings;
our \$VERSION = '0.01';
our \@rest;
our \$alien_with_xs_load;
\$alien_with_xs_load->xs_load('$module', \$VERSION, \@rest);
1;
};
}
else
{
print $fh '# line '. __LINE__ . ' "' . __FILE__ . qq("\n) . qq{
package $module;
use strict;
use warnings;
require XSLoader;
our \$VERSION = '0.01';
XSLoader::load('$module',\$VERSION);
1;
};
}
close $fh;
{
local @INC = @INC;
unshift @INC, "$dir";
## no critic
eval '# line '. __LINE__ . ' "' . __FILE__ . qq("\n) . qq{
use $module;
};
## use critic
}
if(my $error = $@)
{
$ok = 0;
push @diag, ' XSLoader failed';
push @diag, " $error";
}
}
}
}
$ctx->ok($ok, $message);
$ctx->diag($_) for @diag;
$ctx->release;
unless($ok || defined $ENV{TEST_ALIEN_ALWAYS_KEEP})
{
$ctx->note("keeping XS temporary directory $dir due to failure");
$dir->unlink_on_destroy(0);
}
if($cb)
{
$cb = sub {
my $ctx = context();
$ctx->plan(0, 'SKIP', "subtest requires xs success");
$ctx->release;
} unless $ok;
@_ = ("$message subtest", $cb, 1, $module);
goto \&Test2::API::run_subtest;
}
$ok;
}
sub with_subtest (&)
{
my($code) = @_;
# it may be possible to catch a segmentation fault,
# but not with signal handlers apparently. See:
# https://feepingcreature.github.io/handling.html
return $code if $^O eq 'MSWin32';
# try to catch a segmentation fault and bail out
# with a useful diagnostic. prove test to swallow
# the diagnostic on such failures.
sub {
local $SIG{SEGV} = sub {
my $ctx = context();
$ctx->bail("Segmentation fault");
};
$code->(@_);
}
}
sub ffi_ok
{
my $cb;
$cb = pop if defined $_[-1] && ref $_[-1] eq 'CODE';
my($opt, $message) = @_;
$message ||= 'ffi';
my $ok = 1;
my $skip;
my $ffi;
my @diag;
{
my $min = '0.12'; # the first CPAN release
$min = '0.15' if $opt->{ignore_not_found};
$min = '0.18' if $opt->{lang};
$min = '0.99' if defined $opt->{api} && $opt->{api} > 0;
unless(eval { require FFI::Platypus; FFI::Platypus->VERSION($min) })
{
$ok = 0;
$skip = "Test requires FFI::Platypus $min";
}
}
if($ok && $opt->{lang})
{
my $class = "FFI::Platypus::Lang::@{[ $opt->{lang} ]}";
{
my $pm = "$class.pm";
$pm =~ s/::/\//g;
eval { require $pm };
}
if($@)
{
$ok = 0;
$skip = "Test requires FFI::Platypus::Lang::@{[ $opt->{lang} ]}";
}
}
unless(@aliens || $ENV{TEST_ALIEN_ALIENS_MISSING})
{
push @diag, 'ffi_ok called without any aliens, you may want to call alien_ok';
}
if($ok)
{
$ffi = FFI::Platypus->new(
do {
my @args = (
lib => [map { $_->dynamic_libs } @aliens],
ignore_not_found => $opt->{ignore_not_found},
lang => $opt->{lang},
);
push @args, api => $opt->{api} if defined $opt->{api};
@args;
}
);
foreach my $symbol (@{ $opt->{symbols} || [] })
{
unless($ffi->find_symbol($symbol))
{
$ok = 0;
push @diag, " $symbol not found"
}
}
}
my $ctx = context();
if($skip)
{
$ctx->skip($message, $skip);
}
else
{
$ctx->ok($ok, $message);
}
$ctx->diag($_) for @diag;
$ctx->release;
if($cb)
{
$cb = sub {
my $ctx = context();
$ctx->plan(0, 'SKIP', "subtest requires ffi success");
$ctx->release;
} unless $ok;
@_ = ("$message subtest", $cb, 1, $ffi);
goto \&Test2::API::run_subtest;
}
$ok;
}
{
my @ret;
sub _interpolator
{
return @ret if @ret;
require Alien::Build::Interpolate::Default;
my $intr = Alien::Build::Interpolate::Default->new;
require Alien::Build;
my $build = Alien::Build->new;
$build->meta->interpolator($intr);
@ret = ($intr, $build);
}
}
sub helper_ok
{
my($name, $message) = @_;
$message ||= "helper $name exists";
my($intr) = _interpolator;
my $code = $intr->has_helper($name);
my $ok = defined $code;
my $ctx = context();
$ctx->ok($ok, $message);
$ctx->diag("helper_ok called without any aliens, you may want to call alien_ok") unless @aliens || $ENV{TEST_ALIEN_ALIENS_MISSING};
$ctx->release;
$ok;
}
sub plugin_ok
{
my($name, $message) = @_;
my @args;
($name, @args) = @$name if ref $name;
$message ||= "plugin $name";
my($intr, $build) = _interpolator;
my $class = "Alien::Build::Plugin::$name";
my $pm = "$class.pm";
$pm =~ s/::/\//g;
my $ctx = context();
my $plugin = eval {
require $pm unless $class->can('new');
$class->new(@args);
};
if(my $error = $@)
{
$ctx->ok(0, $message, ['unable to create $name plugin', $error]);
$ctx->release;
return 0;
}
eval {
$plugin->init($build->meta);
};
if($^O eq 'MSWin32' && ($plugin->isa('Alien::Build::Plugin::Build::MSYS') || $plugin->isa('Alien::Build::Plugin::Build::Autoconf')))
{
require Alien::MSYS;
unshift @PATH, Alien::MSYS::msys_path();
}
if(my $error = $@)
{
$ctx->ok(0, $message, ['unable to initiate $name plugin', $error]);
$ctx->release;
return 0;
}
else
{
$ctx->ok(1, $message);
$ctx->release;
return 1;
}
}
sub interpolate_template_is
{
my($template, $pattern, $message) = @_;
$message ||= "template matches";
my($intr) = _interpolator;
my $value = eval { $intr->interpolate($template) };
my $error = $@;
my @diag;
my $ok;
if($error)
{
$ok = 0;
push @diag, "error in evaluation:";
push @diag, " $error";
}
elsif(ref($pattern) eq 'Regexp')
{
$ok = $value =~ $pattern;
push @diag, "value '$value' does not match $pattern'" unless $ok;
}
else
{
$ok = $value eq "$pattern";
push @diag, "value '$value' does not equal '$pattern'" unless $ok;
}
my $ctx = context();
$ctx->ok($ok, $message, [@diag]);
$ctx->diag('interpolate_template_is called without any aliens, you may want to call alien_ok') unless @aliens || $ENV{TEST_ALIEN_ALIENS_MISSING};
$ctx->release;
$ok;
}
sub interpolate_run_ok
{
my($template, $message) = @_;
my(@template) = ref $template ? @$template : ($template);
my($intr) = _interpolator;
my $ok = 1;
my @diag;
my @command;
foreach my $template (@template)
{
my $command = eval { $intr->interpolate($template) };
if(my $error = $@)
{
$ok = 0;
push @diag, "error in evaluation:";
push @diag, " $error";
}
else
{
push @command, $command;
}
}
my $ctx = context();
if($ok)
{
my $command = ref $template ? \@command : $command[0];
$ok = run_ok($command, $message);
}
else
{
$message ||= "run @template";
$ctx->ok($ok, $message, [@diag]);
$ctx->diag('interpolate_run_ok called without any aliens, you may want to call alien_ok') unless @aliens || $ENV{TEST_ALIEN_ALIENS_MISSING};
}
$ctx->release;
$ok;
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Test::Alien - Testing tools for Alien modules
=head1 VERSION
version 2.84
=head1 SYNOPSIS
Test commands that come with your Alien:
use Test2::V0;
use Test::Alien;
use Alien::patch;
alien_ok 'Alien::patch';
run_ok([ 'patch', '--version' ])
->success
# we only accept the version written
# by Larry ...
->out_like(qr{Larry Wall});
done_testing;
Test that your library works with C<XS>:
use Test2::V0;
use Test::Alien;
use Alien::Editline;
alien_ok 'Alien::Editline';
my $xs = do { local $/; <DATA> };
xs_ok $xs, with_subtest {
my($module) = @_;
ok $module->version;
};
done_testing;
__DATA__
#include "EXTERN.h"
#include "perl.h"
#include "XSUB.h"
#include <editline/readline.h>
const char *
version(const char *class)
{
return rl_library_version;
}
MODULE = TA_MODULE PACKAGE = TA_MODULE
const char *version(class);
const char *class;
Test that your library works with L<FFI::Platypus>:
use Test2::V0;
use Test::Alien;
use Alien::LibYAML;
alien_ok 'Alien::LibYAML';
ffi_ok { symbols => ['yaml_get_version'] }, with_subtest {
my($ffi) = @_;
my $get_version = $ffi->function(yaml_get_version => ['int*','int*','int*'] => 'void');
$get_version->call(\my $major, \my $minor, \my $patch);
like $major, qr{[0-9]+};
like $minor, qr{[0-9]+};
like $patch, qr{[0-9]+};
};
done_testing;
=head1 DESCRIPTION
This module provides tools for testing L<Alien> modules. It has hooks
to work easily with L<Alien::Base> based modules, but can also be used
via the synthetic interface to test non L<Alien::Base> based L<Alien>
modules. It has very modest prerequisites.
Prior to this module the best way to test a L<Alien> module was via L<Test::CChecker>.
The main downside to that module is that it is heavily influenced by and uses
L<ExtUtils::CChecker>, which is a tool for checking at install time various things
about your compiler. It was also written before L<Alien::Base> became as stable as it
is today. In particular, L<Test::CChecker> does its testing by creating an executable
and running it. Unfortunately Perl uses extensions by creating dynamic libraries
and linking them into the Perl process, which is different in subtle and error prone
ways. This module attempts to test the libraries in the way that they will actually
be used, via either C<XS> or L<FFI::Platypus>. It also provides a mechanism for
testing binaries that are provided by the various L<Alien> modules (for example
L<Alien::gmake> and L<Alien::patch>).
L<Alien> modules can actually be usable without a compiler, or without L<FFI::Platypus>
(for example, if the library is provided by the system, and you are using L<FFI::Platypus>,
or if you are building from source and you are using C<XS>), so tests with missing
prerequisites are automatically skipped. For example, L</xs_ok> will automatically skip
itself if a compiler is not found, and L</ffi_ok> will automatically skip itself
if L<FFI::Platypus> is not installed.
=head1 FUNCTIONS
=head2 alien_ok
alien_ok $alien, $message;
alien_ok $alien;
Load the given L<Alien> instance or class. Checks that the instance or class conforms to the same
interface as L<Alien::Base>. Will be used by subsequent tests. The C<$alien> module only needs to
provide these methods in order to conform to the L<Alien::Base> interface:
=over 4
=item cflags
String containing the compiler flags
=item libs
String containing the linker and library flags
=item dynamic_libs
List of dynamic libraries. Returns empty list if the L<Alien> module does not provide this.
=item bin_dir
Directory containing tool binaries. Returns empty list if the L<Alien> module does not provide
this.
=back
If your L<Alien> module does not conform to this interface then you can create a synthetic L<Alien>
module using the L</synthetic> function.
=head2 synthetic
my $alien = synthetic \%config;
Create a synthetic L<Alien> module which can be passed into L</alien_ok>. C<\%config>
can contain these keys (all of which are optional):
=over 4
=item cflags
String containing the compiler flags.
=item cflags_static
String containing the static compiler flags (optional).
=item libs
String containing the linker and library flags.
=item libs_static
String containing the static linker flags (optional).
=item dynamic_libs
List reference containing the dynamic libraries.
=item bin_dir
Tool binary directory.
=item runtime_prop
Runtime properties.
=back
See L<Test::Alien::Synthetic> for more details.
=head2 run_ok
my $run = run_ok $command;
my $run = run_ok $command, $message;
Runs the given command, falling back on any C<Alien::Base#bin_dir> methods provided by L<Alien> modules
specified with L</alien_ok>.
C<$command> can be either a string or an array reference.
Only fails if the command cannot be found, or if it is killed by a signal! Returns a L<Test::Alien::Run>
object, which you can use to test the exit status, output and standard error.
Always returns an instance of L<Test::Alien::Run>, even if the command could not be found.
=head2 xs_ok
xs_ok $xs;
xs_ok $xs, $message;
Compiles, links the given C<XS> code and attaches to Perl.
If you use the special module name C<TA_MODULE> in your C<XS>
code, it will be replaced by an automatically generated
package name. This can be useful if you want to pass the same
C<XS> code to multiple calls to C<xs_ok> without subsequent
calls replacing previous ones.
C<$xs> may be either a string containing the C<XS> code,
or a hash reference with these keys:
=over 4
=item xs
The XS code. This is the only required element.
=item pxs
Extra L<ExtUtils::ParseXS> arguments passed in as a hash reference.
=item cbuilder_check
The compile check that should be done prior to attempting to build.
Should be one of C<have_compiler> or C<have_cplusplus>. Defaults
to C<have_compiler>.
=item cbuilder_config
Hash to override values normally provided by C<Config>.
=item cbuilder_compile
Extra The L<ExtUtils::CBuilder> arguments passed in as a hash reference.
=item cbuilder_link
Extra The L<ExtUtils::CBuilder> arguments passed in as a hash reference.
=item verbose
Spew copious debug information via test note.
=back
You can use the C<with_subtest> keyword to conditionally
run a subtest if the C<xs_ok> call succeeds. If C<xs_ok>
does not work, then the subtest will automatically be
skipped. Example:
xs_ok $xs, with_subtest {
# skipped if $xs fails for some reason
my($module) = @_;
is $module->foo, 1;
};
The module name detected during the XS parsing phase will
be passed in to the subtest. This is helpful when you are
using a generated module name.
If you need to test XS C++ interfaces, see L<Test::Alien::CPP>.
Caveats: C<xs_ok> uses L<ExtUtils::ParseXS>, which may call C<exit>
under certain error conditions. While this is not really good
thing to happen in the middle of a test, it usually indicates
a real failure condition, and it should return a failure condition
so the test should still fail overall.
[version 2.53]
As of version 2.53, C<xs_ok> will only remove temporary generated files
if the test is successful by default. You can force either always
or never removing the temporary generated files using the
C<TEST_ALIEN_ALWAYS_KEEP> environment variable (see L</ENVIRONMENT> below).
=head2 ffi_ok
ffi_ok;
ffi_ok \%opt;
ffi_ok \%opt, $message;
Test that L<FFI::Platypus> works.
C<\%opt> is a hash reference with these keys (all optional):
=over 4
=item symbols
List references of symbols that must be found for the test to succeed.
=item ignore_not_found
Ignores symbols that aren't found. This affects functions accessed via
L<FFI::Platypus#attach> and L<FFI::Platypus#function> methods, and does
not influence the C<symbols> key above.
=item lang
Set the language. Used primarily for language specific native types.
=item api
Set the API. C<api = 1> requires FFI::Platypus 0.99 or later. This
option was added with Test::Alien version 1.90, so your use line should
include this version as a safeguard to make sure it works:
use Test::Alien 1.90;
...
ffi_ok ...;
=back
As with L</xs_ok> above, you can use the C<with_subtest> keyword to specify
a subtest to be run if C<ffi_ok> succeeds (it will skip otherwise). The
L<FFI::Platypus> instance is passed into the subtest as the first argument.
For example:
ffi_ok with_subtest {
my($ffi) = @_;
is $ffi->function(foo => [] => 'void')->call, 42;
};
=head2 helper_ok
helper_ok $name;
helper_ok $name, $message;
Tests that the given helper has been defined.
=head2 plugin_ok
[version 2.52]
plugin_ok $plugin_name, $message;
plugin_ok [$plugin_name, @args], $message;
This applies an L<Alien::Build::Plugin> to the interpolator used by L</helper_ok>, L</interpolate_template_is>
and L</interpolate_run_ok> so that you can test with any helpers that plugin provides. Useful,
for example for getting C<%{configure}> from L<Alien::Build::Plugin::Build::Autoconf>.
=head2 interpolate_template_is
interpolate_template_is $template, $string;
interpolate_template_is $template, $string, $message;
interpolate_template_is $template, $regex;
interpolate_template_is $template, $regex, $message;
Tests that the given template when evaluated with the appropriate helpers will match
either the given string or regular expression.
=head2 interpolate_run_ok
[version 2.52]
my $run = interpolate_run_ok $command;
my $run = interpolate_run_ok $command, $message;
This is the same as L</run_ok> except it runs the command through the interpolator first.
=head1 ENVIRONMENT
=over 4
=item C<TEST_ALIEN_ALWAYS_KEEP>
If this is defined then it will override the built in logic that decides if
the temporary files generated by L</xs_ok> should be kept when the test file
terminates. If set to true the generated files will always be kept. If
set to false, then they will always be removed.
=item C<TEST_ALIEN_ALIENS_MISSING>
By default, this module will warn you if some tools are used without first
invoking L</alien_ok>. This is usually a mistake, but if you really do
want to use one of these tools with no aliens loaded, you can set this
environment variable to false.
=back
=head1 SEE ALSO
=over 4
=item L<Alien>
=item L<Alien::Base>
=item L<Alien::Build>
=item L<alienfile>
=item L<Test2>
=item L<Test::Alien::Run>
=item L<Test::Alien::CanCompile>
=item L<Test::Alien::CanPlatypus>
=item L<Test::Alien::Synthetic>
=item L<Test::Alien::CPP>
=back
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK :fl\�\-�E E perl5/5.32/Test/Alien/Build.pmnu ��6�$ package Test::Alien::Build;
use strict;
use warnings;
use 5.008004;
use Exporter qw( import );
use Path::Tiny qw( path );
use Carp qw( croak );
use Test2::API qw( context run_subtest );
use Capture::Tiny qw( capture_merged );
use Alien::Build::Util qw( _mirror );
use List::Util 1.33 qw( any );
use Alien::Build::Temp;
our @EXPORT = qw(
alienfile
alienfile_ok
alienfile_skip_if_missing_prereqs
alien_download_ok
alien_extract_ok
alien_build_ok
alien_build_clean
alien_clean_install
alien_install_type_is
alien_checkpoint_ok
alien_resume_ok
alien_subtest
alien_rc
);
# ABSTRACT: Tools for testing Alien::Build + alienfile
our $VERSION = '2.84'; # VERSION
my $build;
my $build_alienfile;
my $build_root;
my $build_targ;
sub alienfile::targ
{
$build_targ;
}
sub alienfile
{
my($package, $filename, $line) = caller;
($package, $filename, $line) = caller(2) if $package eq __PACKAGE__;
$filename = path($filename)->absolute;
my %args = @_ == 0 ? (filename => 'alienfile') : @_ % 2 ? ( source => do { '# line '. $line . ' "' . path($filename)->absolute . qq("\n) . $_[0] }) : @_;
require alienfile;
push @alienfile::EXPORT, 'targ' unless any { /^targ$/ } @alienfile::EXPORT;
my $temp = Alien::Build::Temp->newdir;
my $get_temp_root = do{
my $root; # may be undef;
sub {
$root ||= Path::Tiny->new($temp);
if(@_)
{
my $path = $root->child(@_);
$path->mkpath;
$path;
}
else
{
return $root;
}
};
};
if($args{source})
{
my $file = $get_temp_root->()->child('alienfile');
$file->spew_utf8($args{source});
$args{filename} = $file->stringify;
}
else
{
unless(defined $args{filename})
{
croak "You must specify at least one of filename or source";
}
$args{filename} = path($args{filename})->absolute->stringify;
}
$args{stage} ||= $get_temp_root->('stage')->stringify;
$args{prefix} ||= $get_temp_root->('prefix')->stringify;
$args{root} ||= $get_temp_root->('root')->stringify;
require Alien::Build;
_alienfile_clear();
my $out = capture_merged {
$build_targ = $args{targ};
$build = Alien::Build->load($args{filename}, root => $args{root});
$build->set_stage($args{stage});
$build->set_prefix($args{prefix});
};
my $ctx = context();
$ctx->note($out) if $out;
$ctx->release;
$build_alienfile = $args{filename};
$build_root = $temp;
$build
}
sub _alienfile_clear
{
eval { defined $build_root && -d $build_root && path($build_root)->remove_tree };
undef $build;
undef $build_alienfile;
undef $build_root;
undef $build_targ;
}
sub alienfile_ok
{
my $build;
my $name;
my $error;
if(@_ == 1 && ! defined $_[0])
{
$build = $_[0];
$error = 'no alienfile given';
$name = 'alienfile compiled';
}
elsif(@_ == 1 && eval { $_[0]->isa('Alien::Build') })
{
$build = $_[0];
$name = 'alienfile compiled';
}
else
{
$build = eval { alienfile(@_) };
$error = $@;
$name = 'alienfile compiles';
}
my $ok = !! $build;
my $ctx = context();
$ctx->ok($ok, $name);
$ctx->diag("error: $error") if $error;
$ctx->release;
$build;
}
sub alienfile_skip_if_missing_prereqs
{
my($phase) = @_;
if($build)
{
eval { $build->load_requires('configure', 1) };
if(my $error = $@)
{
my $reason = "Missing configure prereq";
if($error =~ /Required (.*) (.*),/)
{
$reason .= ": $1 $2";
}
my $ctx = context();
$ctx->plan(0, SKIP => $reason);
$ctx->release;
return;
}
$phase ||= $build->install_type;
eval { $build->load_requires($phase, 1) };
if(my $error = $@)
{
my $reason = "Missing $phase prereq";
if($error =~ /Required (.*) (.*),/)
{
$reason .= ": $1 $2";
}
my $ctx = context();
$ctx->plan(0, SKIP => $reason);
$ctx->release;
return;
}
}
}
sub alien_install_type_is
{
my($type, $name) = @_;
croak "invalid install type" unless defined $type && $type =~ /^(system|share)$/;
$name ||= "alien install type is $type";
my $ok = 0;
my @diag;
if($build)
{
my($out, $actual) = capture_merged {
$build->load_requires('configure');
$build->install_type;
};
if($type eq $actual)
{
$ok = 1;
}
else
{
push @diag, "expected install type of $type, but got $actual";
}
}
else
{
push @diag, 'no alienfile'
}
my $ctx = context();
$ctx->ok($ok, $name);
$ctx->diag($_) for @diag;
$ctx->release;
$ok;
}
sub alien_download_ok
{
my($name) = @_;
$name ||= 'alien download';
my $ok;
my $file;
my @diag;
my @note;
if($build)
{
my($out, $error) = capture_merged {
eval {
$build->load_requires('configure');
$build->load_requires($build->install_type);
$build->download;
};
$@;
};
if($error)
{
$ok = 0;
push @diag, $out if defined $out;
push @diag, "extract threw exception: $error";
}
else
{
$file = $build->install_prop->{download};
if(-d $file || -f $file)
{
$ok = 1;
push @note, $out if defined $out;
}
else
{
$ok = 0;
push @diag, $out if defined $out;
push @diag, 'no file or directory';
}
}
}
else
{
$ok = 0;
push @diag, 'no alienfile';
}
my $ctx = context();
$ctx->ok($ok, $name);
$ctx->note($_) for @note;
$ctx->diag($_) for @diag;
$ctx->release;
$file;
}
sub alien_extract_ok
{
my($archive, $name) = @_;
$name ||= $archive ? "alien extraction of $archive" : 'alien extraction';
my $ok;
my $dir;
my @diag;
my @note;
if($build)
{
my($out, $error);
($out, $dir, $error) = capture_merged {
my $dir = eval {
$build->load_requires('configure');
$build->load_requires($build->install_type);
$build->download;
$build->extract($archive);
};
($dir, $@);
};
if($error)
{
$ok = 0;
push @diag, $out if defined $out;
push @diag, "extract threw exception: $error";
}
else
{
if(-d $dir)
{
$ok = 1;
push @note, $out if defined $out;
}
else
{
$ok = 0;
push @diag, $out if defined $out;
push @diag, 'no directory';
}
}
}
else
{
$ok = 0;
push @diag, 'no alienfile';
}
my $ctx = context();
$ctx->ok($ok, $name);
$ctx->note($_) for @note;
$ctx->diag($_) for @diag;
$ctx->release;
$dir;
}
my $count = 1;
sub alien_build_ok
{
my $opt = defined $_[0] && ref($_[0]) eq 'HASH'
? shift : { class => 'Alien::Base' };
my($name) = @_;
$name ||= 'alien builds okay';
my $ok;
my @diag;
my @note;
my $alien;
if($build)
{
my($out,$error) = capture_merged {
eval {
$build->load_requires('configure');
$build->load_requires($build->install_type);
$build->download;
$build->build;
};
$@;
};
if($error)
{
$ok = 0;
push @diag, $out if defined $out;
push @diag, "build threw exception: $error";
}
else
{
$ok = 1;
push @note, $out if defined $out;
require Alien::Base;
my $prefix = $build->runtime_prop->{prefix};
my $stage = $build->install_prop->{stage};
my %prop = %{ $build->runtime_prop };
$prop{distdir} = $prefix;
_mirror $stage, $prefix;
my $dist_dir = sub {
$prefix;
};
my $runtime_prop = sub {
\%prop;
};
$alien = sprintf 'Test::Alien::Build::Faux%04d', $count++;
{
no strict 'refs';
@{ "${alien}::ISA" } = $opt->{class};
*{ "${alien}::dist_dir" } = $dist_dir;
*{ "${alien}::runtime_prop" } = $runtime_prop;
}
}
}
else
{
$ok = 0;
push @diag, 'no alienfile';
}
my $ctx = context();
$ctx->ok($ok, $name);
$ctx->diag($_) for @diag;
$ctx->note($_) for @note;
$ctx->release;
$alien;
}
sub alien_build_clean
{
my $ctx = context();
if($build_root)
{
foreach my $child (path($build_root)->children)
{
next if $child->basename eq 'prefix';
$ctx->note("clean: rm: $child");
$child->remove_tree;
}
}
else
{
$ctx->note("no build to clean");
}
$ctx->release;
}
sub alien_clean_install
{
my($name) = @_;
$name ||= "run clean_install";
my $ok;
my @diag;
my @note;
if($build)
{
my($out,$error) = capture_merged {
eval {
$build->clean_install;
};
$@;
};
if($error)
{
$ok = 0;
push @diag, $out if defined $out && $out ne '';
push @diag, "build threw exception: $error";
}
else
{
$ok = 1;
push @note, $out if defined $out && $out ne '';
}
}
else
{
$ok = 0;
push @diag, 'no alienfile';
}
my $ctx = context();
$ctx->ok($ok, $name);
$ctx->diag($_) for @diag;
$ctx->note($_) for @note;
$ctx->release;
}
sub alien_checkpoint_ok
{
my($name) = @_;
$name ||= "alien checkpoint ok";
my $ok;
my @diag;
if($build)
{
eval { $build->checkpoint };
if($@)
{
push @diag, "error in checkpoint: $@";
$ok = 0;
}
else
{
$ok = 1;
}
undef $build;
}
else
{
push @diag, "no build to checkpoint";
$ok = 0;
}
my $ctx = context();
$ctx->ok($ok, $name);
$ctx->diag($_) for @diag;
$ctx->release;
$ok;
}
sub alien_resume_ok
{
my($name) = @_;
$name ||= "alien resume ok";
my $ok;
my @diag;
if($build_alienfile && $build_root && !defined $build)
{
$build = eval { Alien::Build->resume($build_alienfile, "$build_root/root") };
if($@)
{
push @diag, "error in resume: $@";
$ok = 0;
}
else
{
$ok = 1;
}
}
else
{
if($build)
{
push @diag, "build has not been checkpointed";
}
else
{
push @diag, "no build to resume";
}
$ok = 0;
}
my $ctx = context();
$ctx->ok($ok, $name);
$ctx->diag($_) for @diag;
$ctx->release;
($ok && $build) || $ok;
}
my $alien_rc_root;
sub alien_rc
{
my($code) = @_;
croak "passed in undef rc" unless defined $code;
croak "looks like you have already defined a rc.pl file" if $ENV{ALIEN_BUILD_RC} ne '-';
my(undef, $filename, $line) = caller;
my $code2 = "use strict; use warnings;\n" .
'# line ' . $line . ' "' . path($filename)->absolute . "\n$code";
$alien_rc_root ||= Alien::Build::Temp->newdir;
my $rc = path($alien_rc_root)->child('rc.pl');
$rc->spew_utf8($code2);
$ENV{ALIEN_BUILD_RC} = "$rc";
return 1;
}
sub alien_subtest
{
my($name, $code, @args) = @_;
_alienfile_clear;
my $ctx = context();
my $pass = run_subtest($name, $code, { buffered => 1 }, @args);
$ctx->release;
_alienfile_clear;
$pass;
}
delete $ENV{$_} for qw( ALIEN_BUILD_LOG ALIEN_BUILD_PRELOAD ALIEN_BUILD_POSTLOAD ALIEN_INSTALL_TYPE PKG_CONFIG_PATH ALIEN_BUILD_PKG_CONFIG );
$ENV{ALIEN_BUILD_RC} = '-';
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Test::Alien::Build - Tools for testing Alien::Build + alienfile
=head1 VERSION
version 2.84
=head1 SYNOPSIS
use Test2::V0;
use Test::Alien::Build;
# returns an instance of Alien::Build.
my $build = alienfile_ok q{
use alienfile;
plugin 'My::Plugin' => (
foo => 1,
bar => 'string',
...
);
};
alien_build_ok 'builds okay.';
done_testing;
=head1 DESCRIPTION
This module provides some tools for testing L<Alien::Build> and L<alienfile>. Outside of L<Alien::Build>
core development, It is probably most useful for L<Alien::Build::Plugin> developers.
This module also unsets a number of L<Alien::Build> specific environment variables, in order to make tests
reproducible even when overrides are set in different environments. So if you want to test those variables in
various states you should explicitly set them in your test script. These variables are unset if they defined:
C<ALIEN_BUILD_PRELOAD> C<ALIEN_BUILD_POSTLOAD> C<ALIEN_INSTALL_TYPE>.
=head1 FUNCTIONS
=head2 alienfile
my $build = alienfile;
my $build = alienfile q{ use alienfile ... };
my $build = alienfile filename => 'alienfile';
Create a Alien::Build instance from the given L<alienfile>. The first two forms are abbreviations.
my $build = alienfile;
# is the same as
my $build = alienfile filename => 'alienfile';
and
my $build = alienfile q{ use alienfile ... };
# is the same as
my $build = alienfile source => q{ use alienfile ... };
Except for the second abbreviated form sets the line number before feeding the source into L<Alien::Build>
so that you will get diagnostics with the correct line numbers.
=over 4
=item source
The source for the alienfile as a string. You must specify one of C<source> or C<filename>.
=item filename
The filename for the alienfile. You must specify one of C<source> or C<filename>.
=item root
The build root.
=item stage
The staging area for the build.
=item prefix
The install prefix for the build.
=back
=head2 alienfile_ok
my $build = alienfile_ok;
my $build = alienfile_ok q{ use alienfile ... };
my $build = alienfile_ok filename => 'alienfile';
my $build = alienfile_ok $build;
Same as C<alienfile> above, except that it runs as a test, and will not throw an exception
on failure (it will return undef instead).
[version 1.49]
As of version 1.49 you can also pass in an already formed instance of L<Alien::Build>. This
allows you to do something like this:
subtest 'a subtest' => sub {
my $build = alienfile q{ use alienfile; ... };
alienfile_skip_if_missing_prereqs; # skip if alienfile prereqs are missing
alienfile_ok $build; # delayed pass/fail for the compile of alienfile
};
=head2 alienfile_skip_if_missing_prereqs
alienfile_skip_if_missing_prereqs;
alienfile_skip_if_missing_prereqs $phase;
Skips the test or subtest if the prereqs for the alienfile are missing.
If C<$phase> is not given, then either C<share> or C<system> will be
detected.
=head2 alien_install_type_is
alien_install_type_is $type;
alien_install_type_is $type, $name;
Simple test to see if the install type is what you expect.
C<$type> should be one of C<system> or C<share>.
=head2 alien_download_ok
my $file = alien_download_ok;
my $file = alien_download_ok $name;
Makes a download attempt and test that a file or directory results. Returns
the file or directory if successful. Returns C<undef> otherwise.
=head2 alien_extract_ok
my $dir = alien_extract_ok;
my $dir = alien_extract_ok $archive;
my $dir = alien_extract_ok $archive, $name;
my $dir = alien_extract_ok undef, $name;
Makes an extraction attempt and test that a directory results. Returns
the directory if successful. Returns C<undef> otherwise.
=head2 alien_build_ok
my $alien = alien_build_ok;
my $alien = alien_build_ok $name;
my $alien = alien_build_ok { class => $class };
my $alien = alien_build_ok { class => $class }, $name;
Runs the download and build stages. Passes if the build succeeds. Returns an instance
of L<Alien::Base> which can be passed into C<alien_ok> from L<Test::Alien>. Returns
C<undef> if the test fails.
Options
=over 4
=item class
The base class to use for your alien. This is L<Alien::Base> by default. Should
be a subclass of L<Alien::Base>, or at least adhere to its API.
=back
=head2 alien_build_clean
alien_build_clean;
Removes all files with the current build, except for the runtime prefix.
This helps test that the final install won't depend on the build files.
=head2 alien_clean_install
alien_clean_install;
Runs C<$build-E<gt>clean_install>, and verifies it did not crash.
=head2 alien_checkpoint_ok
alien_checkpoint_ok;
alien_checkpoint_ok $test_name;
Test the checkpoint of a build.
=head2 alien_resume_ok
alien_resume_ok;
alien_resume_ok $test_name;
Test a resume a checkpointed build.
=head2 alien_rc
alien_rc $code;
Creates C<rc.pl> file in a temp directory and sets ALIEN_BUILD_RC. Useful for testing
plugins that should be called from C<~/.alienbuild/rc.pl>. Note that because of the
nature of how the C<~/.alienbuild/rc.pl> file works, you can only use this once!
=head2 alien_subtest
alien_subtest $test_name => sub {
...
};
Clear the build object and clear the build object before and after the subtest.
=head1 SEE ALSO
=over 4
=item L<Alien>
=item L<alienfile>
=item L<Alien::Build>
=item L<Test::Alien>
=back
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK =fl\�Ո� � # perl5/5.32/Test/Alien/CanCompile.pmnu ��6�$ package Test::Alien::CanCompile;
use strict;
use warnings;
use 5.008004;
use Test2::API qw( context );
# ABSTRACT: Skip a test file unless a C compiler is available
our $VERSION = '2.84'; # VERSION
sub skip
{
require ExtUtils::CBuilder;
ExtUtils::CBuilder->new->have_compiler ? undef : 'This test requires a compiler.';
}
sub import
{
my $skip = __PACKAGE__->skip;
return unless defined $skip;
my $ctx = context();
$ctx->plan(0, SKIP => $skip);
$ctx->release;
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Test::Alien::CanCompile - Skip a test file unless a C compiler is available
=head1 VERSION
version 2.84
=head1 SYNOPSIS
use Test::Alien::CanCompile;
=head1 DESCRIPTION
This is just a L<Test2> plugin that requires that a compiler
be available. Otherwise the test will be skipped.
=head1 SEE ALSO
=over 4
=item L<Test::Alien>
=back
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK Bfl\���m� � $ perl5/5.32/Test/Alien/CanPlatypus.pmnu ��6�$ package Test::Alien::CanPlatypus;
use strict;
use warnings;
use 5.008004;
use Test2::API qw( context );
# ABSTRACT: Skip a test file unless FFI::Platypus is available
our $VERSION = '2.84'; # VERSION
sub skip
{
eval { require FFI::Platypus; 1 } ? undef : 'This test requires FFI::Platypus.';
}
sub import
{
my $skip = __PACKAGE__->skip;
return unless defined $skip;
my $ctx = context();
$ctx->plan(0, SKIP => $skip);
$ctx->release;
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Test::Alien::CanPlatypus - Skip a test file unless FFI::Platypus is available
=head1 VERSION
version 2.84
=head1 SYNOPSIS
use Test::Alien::CanPlatypus;
=head1 DESCRIPTION
This is just a L<Test2> plugin that requires that L<FFI::Platypus>
be available. Otherwise the test will be skipped.
=head1 SEE ALSO
=over 4
=item L<Test::Alien>
=item L<FFI::Platypus>
=back
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK Dfl\����p p " perl5/5.32/Test/Alien/Synthetic.pmnu ��6�$ package Test::Alien::Synthetic;
use strict;
use warnings;
use 5.008004;
use Test2::API qw( context );
# ABSTRACT: A mock alien object for testing
our $VERSION = '2.84'; # VERSION
sub _def ($) { my($val) = @_; defined $val ? $val : '' }
sub cflags { _def shift->{cflags} }
sub libs { _def shift->{libs} }
sub dynamic_libs { @{ shift->{dynamic_libs} || [] } }
sub runtime_prop
{
my($self) = @_;
defined $self->{runtime_prop}
? $self->{runtime_prop}
: {};
}
sub cflags_static
{
my($self) = @_;
defined $self->{cflags_static}
? $self->{cflags_static}
: $self->cflags;
}
sub libs_static
{
my($self) = @_;
defined $self->{libs_static}
? $self->{libs_static}
: $self->libs;
}
sub bin_dir
{
my $dir = shift->{bin_dir};
defined $dir && -d $dir ? ($dir) : ();
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Test::Alien::Synthetic - A mock alien object for testing
=head1 VERSION
version 2.84
=head1 SYNOPSIS
use Test2::V0;
use Test::Alien;
my $alien = synthetic {
cflags => '-I/foo/bar/include',
libs => '-L/foo/bar/lib -lbaz',
};
alien_ok $alien;
done_testing;
=head1 DESCRIPTION
This class is used to model a synthetic L<Alien>
class that implements the minimum L<Alien::Base>
interface needed by L<Test::Alien>.
It can be useful if you have a non-L<Alien::Base>
based L<Alien> distribution that you need to test.
B<NOTE>: The name of this class may move in the
future, so do not refer to this class name directly.
Instead create instances of this class using the
L<Test::Alien#synthetic> function.
=head1 ATTRIBUTES
=head2 cflags
String containing the compiler flags
=head2 cflags_static
String containing the static compiler flags
=head2 libs
String containing the linker and library flags
=head2 libs_static
String containing the static linker and library flags
=head2 dynamic_libs
List reference containing the dynamic libraries.
=head2 bin_dir
Tool binary directory.
=head2 runtime_prop
Runtime properties.
=head1 EXAMPLE
Here is a complete example using L<Alien::Libarchive> which is a non-L<Alien::Base>
based L<Alien> distribution.
use strict;
use warnings;
use Test2::V0;
use Test::Alien;
use Alien::Libarchive;
my $real = Alien::Libarchive->new;
my $alien = synthetic {
cflags => scalar $real->cflags,
libs => scalar $real->libs,
dynamic_libs => [$real->dlls],
};
alien_ok $alien;
xs_ok do { local $/; <DATA> }, with_subtest {
my($module) = @_;
my $ptr = $module->archive_read_new;
like $ptr, qr{^[0-9]+$};
$module->archive_read_free($ptr);
};
ffi_ok { symbols => [qw( archive_read_new )] }, with_subtest {
my($ffi) = @_;
my $new = $ffi->function(archive_read_new => [] => 'opaque');
my $free = $ffi->function(archive_read_close => ['opaque'] => 'void');
my $ptr = $new->();
like $ptr, qr{^[0-9]+$};
$free->($ptr);
};
done_testing;
__DATA__
#include "EXTERN.h"
#include "perl.h"
#include "XSUB.h"
#include <archive.h>
MODULE = TA_MODULE PACKAGE = TA_MODULE
void *archive_read_new(class);
const char *class;
CODE:
RETVAL = (void*) archive_read_new();
OUTPUT:
RETVAL
void archive_read_free(class, ptr);
const char *class;
void *ptr;
CODE:
archive_read_free(ptr);
=head1 SEE ALSO
=over 4
=item L<Test::Alien>
=back
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK Gfl\�!m�d d perl5/5.32/Test/Alien/Run.pmnu ��6�$ package Test::Alien::Run;
use strict;
use warnings;
use 5.008004;
use Test2::API qw( context );
# ABSTRACT: Run object
our $VERSION = '2.84'; # VERSION
sub out { shift->{out} }
sub err { shift->{err} }
sub exit { shift->{exit} }
sub signal { shift->{sig} }
sub success
{
my($self, $message) = @_;
$message ||= 'command succeeded';
my $ok = $self->exit == 0 && $self->signal == 0;
$ok = 0 if $self->{fail};
my $ctx = context();
$ctx->ok($ok, $message);
unless($ok)
{
$ctx->diag(" command exited with @{[ $self->exit ]}") if $self->exit;
$ctx->diag(" command killed with @{[ $self->signal ]}") if $self->signal;
$ctx->diag(" @{[ $self->{fail} ]}") if $self->{fail};
}
$ctx->release;
$self;
}
sub exit_is
{
my($self, $exit, $message) = @_;
$message ||= "command exited with value $exit";
my $ok = $self->exit == $exit;
my $ctx = context();
$ctx->ok($ok, $message);
$ctx->diag(" actual exit value was: @{[ $self->exit ]}") unless $ok;
$ctx->release;
$self;
}
sub exit_isnt
{
my($self, $exit, $message) = @_;
$message ||= "command exited with value not $exit";
my $ok = $self->exit != $exit;
my $ctx = context();
$ctx->ok($ok, $message);
$ctx->diag(" actual exit value was: @{[ $self->exit ]}") unless $ok;
$ctx->release;
$self;
}
sub _like
{
my($self, $regex, $source, $not, $message) = @_;
my $ok = $self->{$source} =~ $regex;
$ok = !$ok if $not;
my $ctx = context();
$ctx->ok($ok, $message);
unless($ok)
{
$ctx->diag(" $source:");
$ctx->diag(" $_") for split /\r?\n/, $self->{$source};
$ctx->diag($not ? ' matches:' : ' does not match:');
$ctx->diag(" $regex");
}
$ctx->release;
$self;
}
sub out_like
{
my($self, $regex, $message) = @_;
$message ||= "output matches $regex";
$self->_like($regex, 'out', 0, $message);
}
sub out_unlike
{
my($self, $regex, $message) = @_;
$message ||= "output does not match $regex";
$self->_like($regex, 'out', 1, $message);
}
sub err_like
{
my($self, $regex, $message) = @_;
$message ||= "standard error matches $regex";
$self->_like($regex, 'err', 0, $message);
}
sub err_unlike
{
my($self, $regex, $message) = @_;
$message ||= "standard error does not match $regex";
$self->_like($regex, 'err', 1, $message);
}
sub note
{
my($self) = @_;
my $ctx = context();
$ctx->note("[cmd]");
$ctx->note(" @{$self->{cmd}}");
if($self->out ne '')
{
$ctx->note("[out]");
$ctx->note(" $_") for split /\r?\n/, $self->out;
}
if($self->err ne '')
{
$ctx->note("[err]");
$ctx->note(" $_") for split /\r?\n/, $self->err;
}
$ctx->release;
$self;
}
sub diag
{
my($self) = @_;
my $ctx = context();
$ctx->diag("[cmd]");
$ctx->diag(" @{$self->{cmd}}");
if($self->out ne '')
{
$ctx->diag("[out]");
$ctx->diag(" $_") for split /\r?\n/, $self->out;
}
if($self->err ne '')
{
$ctx->diag("[err]");
$ctx->diag(" $_") for split /\r?\n/, $self->err;
}
$ctx->release;
$self;
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Test::Alien::Run - Run object
=head1 VERSION
version 2.84
=head1 SYNOPSIS
use Test2::V0;
use Test::Alien;
run_ok([ $^X, -e => 'print "some output"; exit 22'])
->exit_is(22)
->out_like(qr{some});
=head1 DESCRIPTION
This class stores information about a process run as performed by
L<Test::Alien#run_ok>. That function is the I<ONLY> way to create
an instance of this class.
=head1 ATTRIBUTES
=head2 out
my $str = $run->out;
The standard output from the run.
=head2 err
my $str = $run->err;
The standard error from the run.
=head2 exit
my $int = $run->exit;
The exit value of the run.
=head2 signal
my $int = $run->signal;
The signal that killed the run, or zero if the process was terminated normally.
=head1 METHODS
These methods return the run object itself, so they can be chained,
as in the synopsis above.
=head2 success
$run->success;
$run->success($message);
Passes if the process terminated normally with an exit value of 0.
=head2 exit_is
$run->exit_is($exit);
$run->exit_is($exit, $message);
Passes if the process terminated with the given exit value.
=head2 exit_isnt
$run->exit_isnt($exit);
$run->exit_isnt($exit, $message);
Passes if the process terminated with an exit value of anything
but the given value.
=head2 out_like
$run->out_like($regex);
$run->out_like($regex, $message);
Passes if the output of the run matches the given pattern.
=head2 out_unlike
$run->out_unlike($regex);
$run->out_unlike($regex, $message);
Passes if the output of the run does not match the given pattern.
=head2 err_like
$run->err_like($regex);
$run->err_like($regex, $message);
Passes if the standard error of the run matches the given pattern.
=head2 err_unlike
$run->err_unlike($regex);
$run->err_unlike($regex, $message);
Passes if the standard error of the run does not match the given pattern.
=head2 note
$run->note;
Send the output and standard error as test note.
=head2 diag
$run->diag;
Send the output and standard error as test diagnostic.
=head1 SEE ALSO
=over 4
=item L<Test::Alien>
=back
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK Jfl\k��
perl5/5.32/Test/Alien/Diag.pmnu ��6�$ package Test::Alien::Diag;
use strict;
use warnings;
use 5.008004;
use Test2::API qw( context );
use Exporter qw( import );
our @EXPORT = qw( alien_diag );
our @EXPORT_OK = @EXPORT;
# ABSTRACT: Print out standard diagnostic for Aliens in the test step.
our $VERSION = '2.84'; # VERSION
my @default_scalar_properties = qw(
cflags cflags_static libs libs_static version install_type
);
my @default_list_properties = qw(
dynamic_libs bin_dir
);
sub alien_diag ($@)
{
my $ctx = context();
my %options = defined $_[-1] && ref($_[-1]) eq 'HASH' ? %{ pop @_ } : ();
my @extra_properties = @{ delete $options{properties} || [] };
my @extra_list_properties = @{ delete $options{list_properties} || [] };
my $max = 0;
foreach my $alien (@_)
{
foreach my $name (@default_scalar_properties, @default_list_properties, @extra_properties, @extra_list_properties)
{
if(eval { $alien->can($name) })
{
my $str = "$alien->$name";
if(length($str) > $max)
{
$max = length($str);
}
}
}
}
$ctx->diag('');
if(%options)
{
my @extra = sort keys %options;
$ctx->diag("warning: unknown option@{[ @extra > 1 ? 's' : '' ]} for alien_diag: @extra");
$ctx->diag("(you should check for typos or maybe upgrade to a newer version of Alien::Build)");
}
foreach my $alien (@_) {
$ctx->diag('') for 1..2;
my $found = 0;
foreach my $name (sort(@default_scalar_properties, @extra_properties))
{
if(eval { $alien->can($name) })
{
$found++;
my $value = $alien->$name;
$value = '[undef]' unless defined $value;
$ctx->diag(sprintf "%-${max}s = %s", "$alien->$name", $value);
}
}
foreach my $name (sort(@default_list_properties, @extra_list_properties))
{
if(eval { $alien->can($name) })
{
$found++;
my @list = eval { $alien->$name };
next if $@;
$ctx->diag(sprintf "%-${max}s = %s", "$alien->$name", $_) for @list;
}
}
$ctx->diag("no diagnostics found for $alien") unless $found;
}
$ctx->diag('') for 1..2;
$ctx->release;
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Test::Alien::Diag - Print out standard diagnostic for Aliens in the test step.
=head1 VERSION
version 2.84
=head1 SYNOPSIS
use Test2::V0;
use Test::Alien::Diag qw( alien_diag );
=head1 DESCRIPTION
This module provides an C<alien_diag> method that prints out diagnostics useful for
cpantesters and other bug reports that gives a quick summary of the important settings
like C<clfags> and C<libs>.
=head1 FUNCTIONS
=head2 alien_diag
alien_diag @aliens;
prints out diagnostics for each given alien. Each alien must be the class
name of an alien.
[version 2.68]
alien_diag @aliens, \%options;
Starting with L<Alien::Build> 2.68, you can provide an option hash to adjust the
behavior of C<alien_diag>. Valid options are:
=over 4
=item properties
Additional properties to display in the diagnostic. Useful when you have an L<Alien>
with custom properties defined in the subclass.
=item list_properties
Additional properties that are returned as a list to display in the diagnostic. Useful
when you have an L<Alien> with customer properties that return a list.
=back
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK Ofl\�@{� � perl5/5.32/Alien/Build.pmnu ��6�$ package Alien::Build;
use strict;
use warnings;
use 5.008004;
use Path::Tiny ();
use Carp ();
use File::chdir;
use JSON::PP ();
use Env qw( @PATH @PKG_CONFIG_PATH );
use Config ();
use Alien::Build::Log;
# ABSTRACT: Build external dependencies for use in CPAN
our $VERSION = '2.84'; # VERSION
sub _path { goto \&Path::Tiny::path }
sub new
{
my($class, %args) = @_;
my $self = bless {
install_prop => {
root => _path($args{root} || "_alien")->absolute->stringify,
patch => (defined $args{patch}) ? _path($args{patch})->absolute->stringify : undef,
},
runtime_prop => {
alien_build_version => $Alien::Build::VERSION || 'dev',
},
plugin_instance_prop => {},
bin_dir => [],
pkg_config_path => [],
aclocal_path => [],
}, $class;
# force computing this as soon as possible
$self->download_rule;
$self->meta->filename(
$args{filename} || do {
my(undef, $filename) = caller;
_path($filename)->absolute->stringify;
}
);
if($args{meta_prop})
{
$self->meta->prop->{$_} = $args{meta_prop}->{$_} for keys %{ $args{meta_prop} };
}
$self;
}
my $count = 0;
sub load
{
my(undef, $alienfile, @args) = @_;
my $rcfile = Path::Tiny->new($ENV{ALIEN_BUILD_RC} || '~/.alienbuild/rc.pl')->absolute;
if(-r $rcfile)
{
require Alien::Build::rc;
package Alien::Build::rc;
require $rcfile;
}
unless(-r $alienfile)
{
Carp::croak "Unable to read alienfile: $alienfile";
}
my $file = _path $alienfile;
my $name = $file->parent->basename;
$name =~ s/^alien-//i;
$name =~ s/[^a-z]//g;
$name = 'x' if $name eq '';
$name = ucfirst $name;
my $class = "Alien::Build::Auto::$name@{[ $count++ ]}";
{ no strict 'refs';
@{ "${class}::ISA" } = ('Alien::Build');
*{ "${class}::Alienfile::meta" } = sub {
$class =~ s{::Alienfile$}{};
$class->meta;
}};
my @preload = qw( Core::Setup Core::Download Core::FFI Core::Override Core::CleanInstall );
push @preload, @Alien::Build::rc::PRELOAD;
push @preload, split /;/, $ENV{ALIEN_BUILD_PRELOAD}
if defined $ENV{ALIEN_BUILD_PRELOAD};
my @postload = qw( Core::Legacy Core::Gather Core::Tail );
push @postload, @Alien::Build::rc::POSTLOAD;
push @postload, split /;/, $ENV{ALIEN_BUILD_POSTLOAD}
if defined $ENV{ALIEN_BUILD_POSTLOAD};
my $self = $class->new(
filename => $file->absolute->stringify,
@args,
);
require alienfile;
foreach my $preload (@preload)
{
ref $preload eq 'CODE' ? $preload->($self->meta) : $self->meta->apply_plugin($preload);
}
# TODO: do this without a string eval ?
## no critic
eval '# line '. __LINE__ . ' "' . __FILE__ . qq("\n) . qq{
package ${class}::Alienfile;
do '@{[ $file->absolute->stringify ]}';
die \$\@ if \$\@;
};
die $@ if $@;
## use critic
foreach my $postload (@postload)
{
ref $postload eq 'CODE' ? $postload->($self->meta) : $self->meta->apply_plugin($postload);
}
$self->{args} = \@args;
unless(defined $self->meta->prop->{arch})
{
$self->meta->prop->{arch} = 1;
}
unless(defined $self->meta->prop->{network})
{
$self->meta->prop->{network} = 1;
## https://github.com/PerlAlien/Alien-Build/issues/23#issuecomment-341114414
#$self->meta->prop->{network} = 0 if $ENV{NO_NETWORK_TESTING};
$self->meta->prop->{network} = 0 if (defined $ENV{ALIEN_INSTALL_NETWORK}) && ! $ENV{ALIEN_INSTALL_NETWORK};
}
unless(defined $self->meta->prop->{local_source})
{
if(! defined $self->meta->prop->{start_url})
{
$self->meta->prop->{local_source} = 0;
}
# we assume URL schemes are at least two characters, that
# way Windows absolute paths can be used as local start_url
elsif($self->meta->prop->{start_url} =~ /^([a-z]{2,}):/i)
{
my $scheme = $1;
$self->meta->prop->{local_source} = $scheme eq 'file';
}
else
{
$self->meta->prop->{local_source} = 1;
}
}
return $self;
}
sub resume
{
my(undef, $alienfile, $root) = @_;
my $h = JSON::PP::decode_json(_path("$root/state.json")->slurp);
my $self = Alien::Build->load("$alienfile", @{ $h->{args} });
$self->{install_prop} = $h->{install};
$self->{plugin_instance_prop} = $h->{plugin_instance};
$self->{runtime_prop} = $h->{runtime};
$self;
}
sub meta_prop
{
my($class) = @_;
$class->meta->prop;
}
sub install_prop
{
shift->{install_prop};
}
sub plugin_instance_prop
{
my($self, $plugin) = @_;
my $instance_id = $plugin->instance_id;
$self->{plugin_instance_prop}->{$instance_id} ||= {};
}
sub runtime_prop
{
shift->{runtime_prop};
}
sub hook_prop
{
shift->{hook_prop};
}
sub _command_prop
{
my($self) = @_;
return {
alien => {
install => $self->install_prop,
runtime => $self->runtime_prop,
hook => $self->hook_prop,
meta => $self->meta_prop,
},
perl => {
config => \%Config::Config,
},
env => \%ENV,
};
}
sub checkpoint
{
my($self) = @_;
my $root = $self->root;
_path("$root/state.json")->spew(
JSON::PP->new->pretty->canonical(1)->ascii->encode({
install => $self->install_prop,
runtime => $self->runtime_prop,
plugin_instance => $self->{plugin_instance_prop},
args => $self->{args},
})
);
$self;
}
sub root
{
my($self) = @_;
my $root = $self->install_prop->{root};
_path($root)->mkpath unless -d $root;
$root;
}
sub install_type
{
my($self) = @_;
$self->{runtime_prop}->{install_type} ||= $self->probe;
}
sub is_system_install
{
my($self) = @_;
$self->install_type eq 'system';
}
sub is_share_install
{
my($self) = @_;
$self->install_type eq 'share';
}
sub download_rule
{
my($self) = @_;
$self->install_prop->{download_rule} ||= do {
my $dr = $ENV{ALIEN_DOWNLOAD_RULE};
$dr = 'warn' unless defined $dr;
$dr = 'warn' if $dr eq 'default';
unless($dr =~ /^(warn|digest|encrypt|digest_or_encrypt|digest_and_encrypt)$/)
{
$self->log("unknown ALIEN_DOWNLOAD_RULE \"$dr\", using \"warn\" instead");
$dr = 'warn';
}
$dr;
};
}
sub set_prefix
{
my($self, $prefix) = @_;
if($self->meta_prop->{destdir})
{
$self->runtime_prop->{prefix} =
$self->install_prop->{prefix} = $prefix;
}
else
{
$self->runtime_prop->{prefix} = $prefix;
$self->install_prop->{prefix} = $self->install_prop->{stage};
}
}
sub set_stage
{
my($self, $dir) = @_;
$self->install_prop->{stage} = $dir;
}
sub _merge
{
my %h;
while(@_)
{
my $mod = shift;
my $ver = shift;
if((!defined $h{$mod}) || $ver > $h{$mod})
{ $h{$mod} = $ver }
}
\%h;
}
sub requires
{
my($self, $phase) = @_;
$phase ||= 'any';
my $meta = $self->meta;
$phase =~ /^(?:any|configure)$/
? $meta->{require}->{$phase} || {}
: _merge %{ $meta->{require}->{any} }, %{ $meta->{require}->{$phase} };
}
sub load_requires
{
my($self, $phase, $eval) = @_;
my $reqs = $self->requires($phase);
foreach my $mod (keys %$reqs)
{
my $ver = $reqs->{$mod};
my $check = sub {
my $pm = "$mod.pm";
$pm =~ s{::}{/}g;
require $pm;
};
if($eval)
{
eval { $check->() };
die "Required $mod @{[ $ver || 'undef' ]}, missing" if $@;
}
else
{
$check->();
}
# note Test::Alien::Build#alienfile_skip_if_missing_prereqs does a regex
# on this diagnostic, so if you change it here, change it there too.
die "Required $mod $ver, have @{[ $mod->VERSION || 0 ]}" if $ver && ! $mod->VERSION($ver);
# allow for requires on Alien::Build or Alien::Base
next if $mod eq 'Alien::Build';
next if $mod eq 'Alien::Base';
if($mod->can('bin_dir'))
{
push @{ $self->{bin_dir} }, $mod->bin_dir;
}
if(($mod->can('runtime_prop') && $mod->runtime_prop)
|| ($mod->isa('Alien::Base') && $mod->install_type('share')))
{
for my $dir (qw(lib share)) {
my $path = _path($mod->dist_dir)->child("$dir/pkgconfig");
if(-d $path)
{
push @{ $self->{pkg_config_path} }, $path->stringify;
}
}
my $path = _path($mod->dist_dir)->child('share/aclocal');
if(-d $path)
{
$path = "$path";
if($^O eq 'MSWin32')
{
# convert to MSYS path
$path =~ s{^([a-z]):}{/$1/}i;
}
push @{ $self->{aclocal_path} }, $path;
}
}
# sufficiently new Autotools have a aclocal_dir which will
# give us the directories we need.
if($mod eq 'Alien::Autotools' && $mod->can('aclocal_dir'))
{
push @{ $self->{aclocal_path} }, $mod->aclocal_dir;
}
if($mod->can('alien_helper'))
{
my $helpers = $mod->alien_helper;
foreach my $name (sort keys %$helpers)
{
my $code = $helpers->{$name};
$self->meta->interpolator->replace_helper($name => $code);
}
}
}
1;
}
sub _call_hook
{
my $self = shift;
local $ENV{PATH} = $ENV{PATH};
unshift @PATH, @{ $self->{bin_dir} };
local $ENV{PKG_CONFIG_PATH} = $ENV{PKG_CONFIG_PATH};
unshift @PKG_CONFIG_PATH, @{ $self->{pkg_config_path} };
local $ENV{ACLOCAL_PATH} = $ENV{ACLOCAL_PATH};
# autoconf uses MSYS paths, even for the ACLOCAL_PATH environment variable, so we can't use Env for this.
{
my @path;
@path = split /:/, $ENV{ACLOCAL_PATH} if defined $ENV{ACLOCAL_PATH};
unshift @path, @{ $self->{aclocal_path} };
$ENV{ACLOCAL_PATH} = join ':', @path;
}
my $config = ref($_[0]) eq 'HASH' ? shift : {};
my($name, @args) = @_;
local $self->{hook_prop} = {};
$self->meta->call_hook( $config, $name => $self, @args );
}
sub probe
{
my($self) = @_;
local $CWD = $self->root;
my $dir;
my $env = $self->_call_hook('override');
my $type;
my $error;
$env = '' if $env eq 'default';
if($env eq 'share')
{
$type = 'share';
}
else
{
$type = eval {
$self->_call_hook(
{
before => sub {
$dir = Alien::Build::TempDir->new($self, "probe");
$CWD = "$dir";
},
after => sub {
$CWD = $self->root;
},
ok => 'system',
continue => sub {
if($_[0] eq 'system')
{
foreach my $name (qw( probe_class probe_instance_id ))
{
if(exists $self->hook_prop->{$name} && defined $self->hook_prop->{$name})
{
$self->install_prop->{"system_$name"} = $self->hook_prop->{$name};
}
}
return undef;
}
else
{
return 1;
}
},
},
'probe',
);
};
$error = $@;
$type = 'share' unless defined $type;
}
if($error)
{
if($env eq 'system')
{
die $error;
}
$self->log("error in probe (will do a share install): $@");
$self->log("Don't panic, we will attempt a share build from source if possible.");
$self->log("Do not file a bug unless you expected a system install to succeed.");
$type = 'share';
}
if($env && $env ne $type)
{
die "requested $env install not available";
}
if($type !~ /^(system|share)$/)
{
Carp::croak "probe hook returned something other than system or share: $type";
}
if($type eq 'share' && (!$self->meta_prop->{network}) && (!$self->meta_prop->{local_source}))
{
$self->log("install type share requested or detected, but network fetch is turned off");
$self->log("see https://metacpan.org/pod/Alien::Build::Manual::FAQ#Network-fetch-is-turned-off");
Carp::croak "network fetch is turned off";
}
$self->runtime_prop->{install_type} = $type;
$type;
}
sub download
{
my($self) = @_;
return $self unless $self->install_type eq 'share';
return $self if $self->install_prop->{complete}->{download};
if($self->meta->has_hook('download'))
{
my $tmp;
local $CWD;
my $valid = 0;
$self->_call_hook(
{
before => sub {
$tmp = Alien::Build::TempDir->new($self, "download");
$CWD = "$tmp";
},
verify => sub {
my @list = grep { $_->basename !~ /^\./, } _path('.')->children;
my $count = scalar @list;
if($count == 0)
{
die "no files downloaded";
}
elsif($count == 1)
{
my($archive) = $list[0];
if(-d $archive)
{
# TODO: this is probably a bug that we don't set
# download or compelte properties?
$self->log("single dir, assuming directory");
}
else
{
$self->log("single file, assuming archive");
}
$self->install_prop->{download} = $archive->absolute->stringify;
$self->install_prop->{complete}->{download} = 1;
$valid = 1;
}
else
{
$self->log("multiple files, assuming directory");
$self->install_prop->{complete}->{download} = 1;
$self->install_prop->{download} = _path('.')->absolute->stringify;
$valid = 1;
}
},
after => sub {
$CWD = $self->root;
},
},
'download',
);
# experimental and undocumented for now
if($self->meta->has_hook('check_download'))
{
$self->meta->call_hook(check_download => $self);
}
return $self if $valid;
}
else
{
# This will call the default download hook
# defined in Core::Download since the recipe
# does not provide a download hook
my $ret = $self->_call_hook('download');
# experimental and undocumented for now
if($self->meta->has_hook('check_download'))
{
$self->meta->call_hook(check_download => $self);
}
return $self;
}
die "download failed";
}
sub fetch
{
my $self = shift;
my $url = $_[0] || $self->meta_prop->{start_url};
my $secure = 0;
if(defined $url && ($url =~ /^(https|file):/ || $url !~ /:/))
{
# considered secure when either https or a local file
$secure = 1;
}
elsif(!defined $url)
{
$self->log("warning: undefined url in fetch");
}
else
{
$self->log("warning: attempting to fetch a non-TLS or bundled URL: @{[ $url ]}");
}
die "insecure fetch is not allowed" if $self->download_rule =~ /^(encrypt|digest_and_encrypt)$/ && !$secure;
my $file = $self->_call_hook( 'fetch' => @_ );
$secure = 0;
if(ref($file) ne 'HASH')
{
$self->log("warning: fetch returned non-hash reference");
}
elsif(!defined $file->{protocol})
{
$self->log("warning: fetch did not return a protocol");
}
elsif($file->{protocol} !~ /^(https|file)$/)
{
$self->log("warning: fetch did not use a secure protocol: @{[ $file->{protocol} ]}");
}
else
{
$secure = 1;
}
die "insecure fetch is not allowed" if $self->download_rule =~ /^(encrypt|digest_and_encrypt)$/ && !$secure;
$file;
}
sub check_digest
{
my($self, $file) = @_;
return '' unless $self->meta_prop->{check_digest};
unless(ref($file) eq 'HASH')
{
my $path = Path::Tiny->new($file);
$file = {
type => 'file',
filename => $path->basename,
path => "$path",
tmp => 0,
};
}
my $path = $file->{path};
if(defined $path)
{
# there is technically a race condition here
die "Missing file in digest check: @{[ $file->{filename} ]}" unless -f $path;
die "Unreadable file in digest check: @{[ $file->{filename} ]}" unless -r $path;
}
else
{
die "File is wrong type" unless defined $file->{type} && $file->{type} eq 'file';
die "File has no filename" unless defined $file->{filename};
die "@{[ $file->{filename} ]} has no content" unless defined $file->{content};
}
my $filename = $file->{filename};
my $signature = $self->meta_prop->{digest}->{$filename} || $self->meta_prop->{digest}->{'*'};
die "No digest for $filename" unless defined $signature && ref $signature eq 'ARRAY';
my($algo, $expected) = @$signature;
if($self->meta->call_hook( check_digest => $self, $file, $algo, $expected ))
{
# record the verification here so that we can check in the extract step that the signature
# was checked.
$self->install_prop->{download_detail}->{$path}->{digest} = [$algo, $expected] if defined $path; return 1;
}
else
{
die "No plugin provides digest algorithm for $algo";
}
}
sub decode
{
my($self, $res) = @_;
my $res2 = $self->_call_hook( decode => $res );
$res2->{protocol} = $res->{protocol}
if !defined $res2->{protocol}
&& defined $res->{protocol};
return $res2;
}
sub prefer
{
my($self, $res) = @_;
my $res2 = $self->_call_hook( prefer => $res );
$res2->{protocol} = $res->{protocol}
if !defined $res2->{protocol}
&& defined $res->{protocol};
return $res2;
}
sub extract
{
my($self, $archive) = @_;
$archive ||= $self->install_prop->{download};
unless(defined $archive)
{
die "tried to call extract before download";
}
{
my $checked_digest = 0;
my $encrypted_fetch = 0;
my $detail = $self->install_prop->{download_detail}->{$archive};
if(defined $detail)
{
if(defined $detail->{digest})
{
my($algo, $expected) = @{ $detail->{digest} };
my $file = {
type => 'file',
filename => Path::Tiny->new($archive)->basename,
path => $archive,
tmp => 0,
};
$checked_digest = $self->meta->call_hook( check_digest => $self, $file, $algo, $expected )
}
if(!defined $detail->{protocol})
{
$self->log("warning: extract did not receive protocol details for $archive") unless $checked_digest;
}
elsif($detail->{protocol} !~ /^(https|file)$/)
{
$self->log("warning: extracting from a file that was fetched via insecure protocol @{[ $detail->{protocol} ]}") unless $checked_digest ;
}
else
{
$encrypted_fetch = 1;
}
}
else
{
$self->log("warning: extract received no download details for $archive");
}
if($self->download_rule eq 'digest')
{
die "required digest missing for $archive" unless $checked_digest;
}
elsif($self->download_rule eq 'encrypt')
{
die "file was fetched insecurely for $archive" unless $encrypted_fetch;
}
elsif($self->download_rule eq 'digest_or_encrypt')
{
die "file was fetched insecurely and required digest missing for $archive" unless $checked_digest || $encrypted_fetch;
}
elsif($self->download_rule eq 'digest_and_encrypt')
{
die "file was fetched insecurely and required digest missing for $archive" unless $checked_digest || $encrypted_fetch;
die "required digest missing for $archive" unless $checked_digest;
die "file was fetched insecurely for $archive" unless $encrypted_fetch;
}
elsif($self->download_rule eq 'warn')
{
unless($checked_digest || $encrypted_fetch)
{
$self->log("!!! NOTICE OF FUTURE CHANGE IN BEHAVIOR !!!");
$self->log("a future version of Alien::Build will die here by default with this exception: file was fetched insecurely and required digest missing for $archive");
$self->log("!!! NOTICE OF FUTURE CHANGE IN BEHAVIOR !!!");
}
}
else
{
die "internal error, unknown download rule: @{[ $self->download_rule ]}";
}
}
my $nick_name = 'build';
if($self->meta_prop->{out_of_source})
{
$nick_name = 'extract';
my $extract = $self->install_prop->{extract};
return $extract if defined $extract && -d $extract;
}
my $tmp;
local $CWD;
my $ret;
$self->_call_hook({
before => sub {
# called build instead of extract, because this
# will be used for the build step, and technically
# extract is a substage of build anyway.
$tmp = Alien::Build::TempDir->new($self, $nick_name);
$CWD = "$tmp";
},
verify => sub {
my $path = '.';
if($self->meta_prop->{out_of_source} && $self->install_prop->{extract})
{
$path = $self->install_prop->{extract};
}
my @list = grep { $_->basename !~ /^\./ && $_->basename ne 'pax_global_header' } _path($path)->children;
my $count = scalar @list;
if($count == 0)
{
die "no files extracted";
}
elsif($count == 1 && -d $list[0])
{
$ret = $list[0]->absolute->stringify;
}
else
{
$ret = "$tmp";
}
},
after => sub {
$CWD = $self->root;
},
}, 'extract', $archive);
$self->install_prop->{extract} ||= $ret;
$ret ? $ret : ();
}
sub build
{
my($self) = @_;
# save the evironment, in case some plugins decide
# to alter it. Or us! See just a few lines below.
local %ENV = %ENV;
my $stage = _path($self->install_prop->{stage});
$stage->mkpath;
my $tmp;
if($self->install_type eq 'share')
{
foreach my $suffix ('', '_ffi')
{
local $CWD;
delete $ENV{DESTDIR} unless $self->meta_prop->{destdir};
my %env_meta = %{ $self->meta_prop ->{env} || {} };
my %env_inst = %{ $self->install_prop->{env} || {} };
if($self->meta_prop->{env_interpolate})
{
foreach my $key (keys %env_meta)
{
$env_meta{$key} = $self->meta->interpolator->interpolate($env_meta{$key}, $self);
}
}
%ENV = (%ENV, %env_meta);
%ENV = (%ENV, %env_inst);
my $destdir;
$self->_call_hook(
{
before => sub {
if($self->meta_prop->{out_of_source})
{
$self->extract;
$CWD = $tmp = Alien::Build::TempDir->new($self, 'build');
}
else
{
$CWD = $tmp = $self->extract;
}
if($self->meta_prop->{destdir})
{
$destdir = Alien::Build::TempDir->new($self, 'destdir');
$ENV{DESTDIR} = "$destdir";
}
$self->_call_hook({ all => 1 }, "patch${suffix}");
},
after => sub {
$destdir = "$destdir" if $destdir;
},
}, "build${suffix}");
$self->install_prop->{"_ab_build@{[ $suffix || '_share' ]}"} = "$CWD";
$self->_call_hook("gather@{[ $suffix || '_share' ]}");
}
}
elsif($self->install_type eq 'system')
{
local $CWD = $self->root;
my $dir;
$self->_call_hook(
{
before => sub {
$dir = Alien::Build::TempDir->new($self, "gather");
$CWD = "$dir";
},
after => sub {
$CWD = $self->root;
},
},
'gather_system',
);
$self->install_prop->{finished} = 1;
$self->install_prop->{complete}->{gather_system} = 1;
}
$self;
}
sub test
{
my($self) = @_;
if($self->install_type eq 'share')
{
foreach my $suffix ('_share', '_ffi')
{
if($self->meta->has_hook("test$suffix"))
{
my $dir = $self->install_prop->{"_ab_build$suffix"};
Carp::croak("no build directory to run tests") unless $dir && -d $dir;
local $CWD = $dir;
$self->_call_hook("test$suffix");
}
}
}
else
{
if($self->meta->has_hook("test_system"))
{
my $dir = Alien::Build::TempDir->new($self, "test");
local $CWD = "$dir";
$self->_call_hook("test_system");
}
}
}
sub clean_install
{
my($self) = @_;
if($self->install_type eq 'share')
{
$self->_call_hook("clean_install");
}
}
sub system
{
my($self, $command, @args) = @_;
my $prop = $self->_command_prop;
($command, @args) = map {
$self->meta->interpolator->interpolate($_, $prop)
} ($command, @args);
$self->log("+ $command @args");
scalar @args
? system $command, @args
: system $command;
}
sub log
{
my(undef, $message) = @_;
my $caller = [caller];
chomp $message;
foreach my $line (split /\n/, $message)
{
Alien::Build::Log->default->log(
caller => $caller,
message => $line,
);
}
}
{
my %meta;
sub meta
{
my($class) = @_;
$class = ref $class if ref $class;
$meta{$class} ||= Alien::Build::Meta->new( class => $class );
}
}
package Alien::Build::Meta;
our @CARP_NOT = qw( alienfile );
sub new
{
my($class, %args) = @_;
my $self = bless {
phase => 'any',
build_suffix => '',
require => {
any => {},
share => {},
system => {},
},
around => {},
prop => {},
%args,
}, $class;
$self;
}
sub prop
{
shift->{prop};
}
sub filename
{
my($self, $new) = @_;
$self->{filename} = $new if defined $new;
$self->{filename};
}
sub add_requires
{
my $self = shift;
my $phase = shift;
while(@_)
{
my $module = shift;
my $version = shift;
my $old = $self->{require}->{$phase}->{$module};
if((!defined $old) || $version > $old)
{ $self->{require}->{$phase}->{$module} = $version }
}
$self;
}
sub interpolator
{
my($self, $new) = @_;
if(defined $new)
{
if(defined $self->{intr})
{
Carp::croak "tried to set interpolator twice";
}
if(ref $new)
{
$self->{intr} = $new;
}
else
{
$self->{intr} = $new->new;
}
}
elsif(!defined $self->{intr})
{
require Alien::Build::Interpolate::Default;
$self->{intr} = Alien::Build::Interpolate::Default->new;
}
$self->{intr};
}
sub has_hook
{
my($self, $name) = @_;
defined $self->{hook}->{$name};
}
sub _instr
{
my($self, $name, $instr) = @_;
if(ref($instr) eq 'CODE')
{
return $instr;
}
elsif(ref($instr) eq 'ARRAY')
{
my %phase = (
download => 'share',
fetch => 'share',
decode => 'share',
prefer => 'share',
extract => 'share',
patch => 'share',
patch_ffi => 'share',
build => 'share',
build_ffi => 'share',
stage => 'share',
gather_ffi => 'share',
gather_share => 'share',
gather_system => 'system',
test_ffi => 'share',
test_share => 'share',
test_system => 'system',
);
require Alien::Build::CommandSequence;
my $seq = Alien::Build::CommandSequence->new(@$instr);
$seq->apply_requirements($self, $phase{$name} || 'any');
return $seq;
}
else
{
Carp::croak "type not supported as a hook";
}
}
sub register_hook
{
my($self, $name, $instr) = @_;
push @{ $self->{hook}->{$name} }, _instr $self, $name, $instr;
$self;
}
sub default_hook
{
my($self, $name, $instr) = @_;
$self->{default_hook}->{$name} = _instr $self, $name, $instr;
$self;
}
sub around_hook
{
my($self, $name, $code) = @_;
if(my $old = $self->{around}->{$name})
{
# this is the craziest shit I have ever
# come up with.
$self->{around}->{$name} = sub {
my $orig = shift;
$code->(sub { $old->($orig, @_) }, @_);
};
}
else
{
$self->{around}->{$name} = $code;
}
}
sub after_hook
{
my($self, $name, $code) = @_;
$self->around_hook(
$name => sub {
my $orig = shift;
my $ret = $orig->(@_);
$code->(@_);
$ret;
}
);
}
sub before_hook
{
my($self, $name, $code) = @_;
$self->around_hook(
$name => sub {
my $orig = shift;
$code->(@_);
my $ret = $orig->(@_);
$ret;
}
);
}
sub call_hook
{
my $self = shift;
my %args = ref $_[0] ? %{ shift() } : ();
my($name, @args) = @_;
my $error;
my @hooks = @{ $self->{hook}->{$name} || []};
if(@hooks == 0)
{
if(defined $self->{default_hook}->{$name})
{
@hooks = ($self->{default_hook}->{$name})
}
elsif(!$args{all})
{
Carp::croak "No hooks registered for $name";
}
}
my $value;
foreach my $hook (@hooks)
{
if(eval { $args[0]->isa('Alien::Build') })
{
%{ $args[0]->{hook_prop} } = (
name => $name,
);
}
my $wrapper = $self->{around}->{$name} || sub { my $code = shift; $code->(@_) };
my $value;
$args{before}->() if $args{before};
if(ref($hook) eq 'CODE')
{
$value = eval {
my $value = $wrapper->(sub { $hook->(@_) }, @args);
$args{verify}->('code') if $args{verify};
$value;
};
}
else
{
$value = $wrapper->(sub {
eval {
$hook->execute(@_);
$args{verify}->('command') if $args{verify};
};
defined $args{ok} ? $args{ok} : 1;
}, @args);
}
$error = $@;
$args{after}->() if $args{after};
if($args{all})
{
die if $error;
}
else
{
next if $error;
next if $args{continue} && $args{continue}->($value);
return $value;
}
}
die $error if $error && ! $args{all};
$value;
}
sub apply_plugin
{
my($self, $name, @args) = @_;
my $class;
my $pm;
my $found;
if($name =~ /^=(.*)$/)
{
$class = $1;
$pm = "$class.pm";
$pm =~ s!::!/!g;
$found = 1;
}
if($name !~ /::/ && !$found)
{
foreach my $inc (@INC)
{
# TODO: allow negotiators to work with @INC hooks
next if ref $inc;
my $file = Path::Tiny->new("$inc/Alien/Build/Plugin/$name/Negotiate.pm");
if(-r $file)
{
$class = "Alien::Build::Plugin::${name}::Negotiate";
$pm = "Alien/Build/Plugin/$name/Negotiate.pm";
$found = 1;
last;
}
}
}
unless($found)
{
$class = "Alien::Build::Plugin::$name";
$pm = "Alien/Build/Plugin/$name.pm";
$pm =~ s{::}{/}g;
}
require $pm unless $class->can('new');
my $plugin = $class->new(@args);
$plugin->init($self);
$self;
}
package Alien::Build::TempDir;
# TODO: it's confusing that there is both a AB::TempDir and AB::Temp
# although they do different things. there could maybe be a better
# name for AB::TempDir (maybe AB::TempBuildDir, though that is a little
# redundant). Happily both are private classes, and either are able to
# rename, if a good name can be thought of.
use overload '""' => sub { shift->as_string }, bool => sub { 1 }, fallback => 1;
use File::Temp qw( tempdir );
sub new
{
my($class, $build, $name) = @_;
my $root = $build->install_prop->{root};
Path::Tiny->new($root)->mkpath unless -d $root;
bless {
dir => Path::Tiny->new(tempdir( "${name}_XXXX", DIR => $root)),
}, $class;
}
sub as_string
{
shift->{dir}->stringify;
}
sub DESTROY
{
my($self) = @_;
if(-d $self->{dir} && $self->{dir}->children == 0)
{
rmdir($self->{dir}) || warn "unable to remove @{[ $self->{dir} ]} $!";
}
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build - Build external dependencies for use in CPAN
=head1 VERSION
version 2.84
=head1 SYNOPSIS
my $build = Alien::Build->load('./alienfile');
$build->load_requires('configure');
$build->set_prefix('/usr/local');
$build->set_stage('/foo/mystage'); # needs to be absolute
$build->load_requires($build->install_type);
$build->download;
$build->build;
# files are now in /foo/mystage, it is your job (or
# ExtUtils::MakeMaker, Module::Build, etc) to copy
# those files into /usr/local
=head1 DESCRIPTION
This module provides tools for building external (non-CPAN) dependencies
for CPAN. It is mainly designed to be used at install time of a CPAN
client, and work closely with L<Alien::Base> which is used at runtime.
This is the detailed documentation for the L<Alien::Build> class.
If you are starting out you probably want to do so from one of these documents:
=over 4
=item L<Alien::Build::Manual::Alien>
A broad overview of C<Alien-Build> and its ecosystem.
=item L<Alien::Build::Manual::AlienUser>
For users of an C<Alien::libfoo> that is implemented using L<Alien::Base>.
(The developer of C<Alien::libfoo> I<should> provide the documentation
necessary, but if not, this is the place to start).
=item L<Alien::Build::Manual::AlienAuthor>
If you are writing your own L<Alien> based on L<Alien::Build> and L<Alien::Base>.
=item L<Alien::Build::Manual::FAQ>
If you have a common question that has already been answered, like
"How do I use L<alienfile> with some build system".
=item L<Alien::Build::Manual::PluginAuthor>
This is for the brave souls who want to write plugins that will work with
L<Alien::Build> + L<alienfile>.
=item L<Alien::Build::Manual::Security>
If you are concerned that L<Alien>s might be downloading tarballs off
the internet, then this is the place for you. This will discuss some
of the risks of downloading (really any) software off the internet
and will give you some tools to remediate these risks.
=back
Note that you will not usually create a L<Alien::Build> instance
directly, but rather be using a thin installer layer, such as
L<Alien::Build::MM> (for use with L<ExtUtils::MakeMaker>) or
L<Alien::Build::MB> (for use with L<Module::Build>). One of the
goals of this project is to remain installer agnostic.
=head1 CONSTRUCTORS
=head2 new
my $build = Alien::Build->new;
This creates a new empty instance of L<Alien::Build>. Normally you will
want to use C<load> below to create an instance of L<Alien::Build> from
an L<alienfile> recipe.
=head2 load
my $build = Alien::Build->load($alienfile);
This creates an L<Alien::Build> instance with the given L<alienfile>
recipe.
=head2 resume
my $build = Alien::Build->resume($alienfile, $root);
Load a checkpointed L<Alien::Build> instance. You will need the original
L<alienfile> and the build root (usually C<_alien>), and a build that
had been properly checkpointed using the C<checkpoint> method below.
=head1 PROPERTIES
There are three main properties for L<Alien::Build>. There are a number
of properties documented here with a specific usage. Note that these
properties may need to be serialized into something primitive like JSON
that does not support: regular expressions, code references of blessed
objects.
If you are writing a plugin (L<Alien::Build::Plugin>) you should use a
prefix like "plugin_I<name>" (where I<name> is the name of your plugin)
so that it does not interfere with other plugin or future versions of
L<Alien::Build>. For example, if you were writing
C<Alien::Build::Plugin::Fetch::NewProtocol>, please use the prefix
C<plugin_fetch_newprotocol>:
sub init
{
my($self, $meta) = @_;
$meta->prop( plugin_fetch_newprotocol_foo => 'some value' );
$meta->register_hook(
some_hook => sub {
my($build) = @_;
$build->install_prop->{plugin_fetch_newprotocol_bar} = 'some other value';
$build->runtime_prop->{plugin_fetch_newprotocol_baz} = 'and another value';
}
);
}
If you are writing a L<alienfile> recipe please use the prefix C<my_>:
use alienfile;
meta_prop->{my_foo} = 'some value';
probe sub {
my($build) = @_;
$build->install_prop->{my_bar} = 'some other value';
$build->install_prop->{my_baz} = 'and another value';
};
Any property may be used from a command:
probe [ 'some command %{.meta.plugin_fetch_newprotocol_foo}' ];
probe [ 'some command %{.install.plugin_fetch_newprotocol_bar}' ];
probe [ 'some command %{.runtime.plugin_fetch_newprotocol_baz}' ];
probe [ 'some command %{.meta.my_foo}' ];
probe [ 'some command %{.install.my_bar}' ];
probe [ 'some command %{.runtime.my_baz}' ];
=head2 meta_prop
my $href = $build->meta_prop;
my $href = Alien::Build->meta_prop;
Meta properties have to do with the recipe itself, and not any particular
instance that probes or builds that recipe. Meta properties can be changed
from within an L<alienfile> using the C<meta_prop> directive, or from
a plugin from its C<init> method (though should NOT be modified from any
hooks registered within that C<init> method). This is not strictly enforced,
but if you do not follow this rule your recipe will likely be broken.
=over
=item arch
This is a hint to an installer like L<Alien::Build::MM> or L<Alien::Build::MB>,
that the library or tool contains architecture dependent files and so should
be stored in an architecture dependent location. If not specified by your
L<alienfile> then it will be set to true.
=item check_digest
True if cryptographic digest should be checked when files are fetched
or downloaded. This is set by
L<Digest negotiator plugin|Alien::Build::Plugin::Digest::Negotiate>.
=item destdir
Some plugins (L<Alien::Build::Plugin::Build::Autoconf> for example) support
installing via C<DESTDIR>. They will set this property to true if they
plan on doing such an install. This helps L<Alien::Build> find the staged
install files and how to locate them.
If available, C<DESTDIR> is used to stage install files in a sub directory before
copying the files into C<blib>. This is generally preferred method
if available.
=item destdir_filter
Regular expression for the files that should be copied from the C<DESTDIR>
into the stage directory. If not defined, then all files will be copied.
=item destdir_ffi_filter
Same as C<destdir_filter> except applies to C<build_ffi> instead of C<build>.
=item digest
This properties contains the cryptographic digests (if any) that should
be used when verifying any fetched and downloaded files. It is a hash
reference where the key is the filename and the value is an array
reference containing a pair of values, the first being the algorithm
('SHA256' is recommended) and the second is the actual digest. The
special filename C<*> may be specified to indicate that any downloaded
file should match that digest. If there are both real filenames and
the C<*> placeholder, the real filenames will be used for filenames
that match and any other files will use the placeholder. Example:
$build->meta_prop->{digest} = {
'foo-1.00.tar.gz' => [ SHA256 => '9feac593aa49a44eb837de52513a57736457f1ea70078346c60f0bfc5f24f2c1' ],
'foo-1.01.tar.gz' => [ SHA256 => '6bbde6a7f10ae5924cf74afc26ff5b7bc4b4f9dfd85c6b534c51bd254697b9e7' ],
'*' => [ SHA256 => '33a20aae3df6ecfbe812b48082926d55391be4a57d858d35753ab1334b9fddb3' ],
};
Cryptographic signatures will only be checked
if the L<check_digest meta property|/check_digest> is set and if the
L<Digest negotiator plugin|Alien::Build::Plugin::Digest::Negotiate> is loaded.
(The Digest negotiator can be used directly, but is also loaded automatically
if you use the L<digest directive|alienfile/digest> is used by the L<alienfile>).
=item env
Environment variables to override during the build stage.
=item env_interpolate
Environment variable values will be interpolated with helpers. Example:
meta->prop->{env_interpolate} = 1;
meta->prop->{env}->{PERL} = '%{perl}';
=item local_source
Set to true if source code package is available locally. (that is not fetched
over the internet). This is computed by default based on the C<start_url>
property. Can be set by an L<alienfile> or plugin.
=item platform
Hash reference. Contains information about the platform beyond just C<$^O>.
=over 4
=item platform.compiler_type
Refers to the type of flags that the compiler accepts. May be expanded in the
future, but for now, will be one of:
=over 4
=item microsoft
On Windows when using Microsoft Visual C++
=item unix
Virtually everything else, including gcc on windows.
=back
The main difference is that with Visual C++ C<-LIBPATH> should be used instead
of C<-L>, and static libraries should have the C<.LIB> suffix instead of C<.a>.
=item platform.system_type
C<$^O> is frequently good enough to make platform specific logic in your
L<alienfile>, this handles the case when $^O can cover platforms that provide
multiple environments that Perl might run under. The main example is windows,
but others may be added in the future.
=over 4
=item unix
=item vms
=item windows-activestate
=item windows-microsoft
=item windows-mingw
=item windows-strawberry
=item windows-unknown
=back
Note that C<cygwin> and C<msys> are considered C<unix> even though they run
on windows!
=item platform.cpu.count
Contains a non-negative integer of available (possibly virtual) CPUs on the
system. This can be used by build plugins to build in parallel. The environment
variable C<ALIEN_CPU_COUNT> can be set to override the CPU count.
=item platform.cpu.arch.name
Contains a normalized name for the architecture of the current Perl. This can
be used by fetch plugins to determine which binary packages to download.
The value may be one of the following, but this list will be expanded as
needed.
=over 4
=item C<armel>
32-bit ARM soft-float
=item C<armhf>
32-bit ARM hard-float
=item C<aarch64>
64-bit ARM
=item C<ppc>
32-bit PowerPC (big-endian)
=item C<ppc64>
64-bit PowerPC (big-endian)
=item C<x86>
32-bit Intel (i386, i486, i686)
=item C<x86_64>
64-bit Intel (AMD64)
=item C<unknown>
Unable to detect architecture. Please report this if needed.
=back
=back
=item out_of_source
Build in a different directory from the where the source code is stored.
In autoconf this is referred to as a "VPATH" build. Everyone else calls this
an "out-of-source" build. When this property is true, instead of extracting
to the source build root, the downloaded source will be extracted to an source
extraction directory and the source build root will be empty. You can use the
C<extract> install property to get the location of the extracted source.
=item network
True if a network fetch is available. This should NOT be set by an L<alienfile>
or plugin. This is computed based on the C<ALIEN_INSTALL_NETWORK> environment
variables.
=item start_url
The default or start URL used by fetch plugins.
=back
=head2 install_prop
my $href = $build->install_prop;
Install properties are used during the install phase (either
under C<share> or C<system> install). They are remembered for
the entire install phase, but not kept around during the runtime
phase. Thus they cannot be accessed from your L<Alien::Base>
based module.
=over
=item autoconf_prefix
The prefix as understood by autoconf. This is only different on Windows
Where MSYS is used and paths like C<C:/foo> are represented as C</C/foo>
which are understood by the MSYS tools, but not by Perl. You should
only use this if you are using L<Alien::Build::Plugin::Build::Autoconf> in
your L<alienfile>. This is set during before the
L<build hook|Alien::Build::Manual::PluginAuthor/"build hook"> is run.
=item download
The location of the downloaded archive (tar.gz, or similar) or directory.
This will be undefined until the archive is actually downloaded.
=item download_detail
This property contains optional details about a downloaded file. This
property is populated by L<Alien::Build> core. This property is a
hash reference. The key is the path to the file that has been downloaded
and the value is a hash reference with additional detail. All fields
are optional.
=over 4
=item download_detail.digest
This, if available, with the cryptographic signature that was successfully
matched against the downloaded file. It is an array reference with a
pair of values, the algorithm (typically something like C<SHA256>) and
the digest.
=item download_detail.protocol
This, if available, will be the URL protocol used to fetch the downloaded
file.
=back
=item env
Environment variables to override during the build stage. Plugins are
free to set additional overrides using this hash.
=item extract
The location of the last source extraction. For a "out-of-source" build
(see the C<out_of_source> meta property above), this will only be set once.
For other types of builds, the source code may be extracted multiple times,
and thus this property may change.
=item old
[deprecated]
Hash containing information on a previously installed Alien of the same
name, if available. This may be useful in cases where you want to
reuse the previous install if it is still sufficient.
=over 4
=item old.prefix
[deprecated]
The prefix for the previous install. Versions prior to 1.42 unfortunately
had this in typo form of C<preifx>.
=item old.runtime
[deprecated]
The runtime properties from the previous install.
=back
=item patch
Directory with patches, if available. This will be C<undef> if there
are no patches. When initially installing an alien this will usually
be a sibling of the C<alienfile>, a directory called C<patch>. Once
installed this will be in the share directory called C<_alien/patch>.
The former is useful for rebuilding an alienized package using
L<af>.
=item prefix
The install time prefix. Under a C<destdir> install this is the
same as the runtime or final install location. Under a non-C<destdir>
install this is the C<stage> directory (usually the appropriate
share directory under C<blib>).
=item root
The build root directory. This will be an absolute path. It is the
absolute form of C<./_alien> by default.
=item stage
The stage directory where files will be copied. This is usually the
root of the blib share directory.
=item system_probe_class
After the probe step this property may contain the plugin class that
performed the system probe. It shouldn't be filled in directly by
the plugin (instead if should use the hook property C<probe_class>,
see below). This is optional, and not all probe plugins will provide
this information.
=item system_probe_instance_id
After the probe step this property may contain the plugin instance id that
performed the system probe. It shouldn't be filled in directly by
the plugin (instead if should use the hook property C<probe_instance_id>,
see below). This is optional, and not all probe plugins will provide
this information.
=back
=head2 plugin_instance_prop
my $href = $build->plugin_instance_prop($plugin);
This returns the private plugin instance properties for a given plugin.
This method should usually only be called internally by plugins themselves
to keep track of internal state. Because the content can be used arbitrarily
by the owning plugin because it is private to the plugin, and thus is not
part of the L<Alien::Build> spec.
=head2 runtime_prop
my $href = $build->runtime_prop;
Runtime properties are used during the install and runtime phases
(either under C<share> or C<system> install). This should include
anything that you will need to know to use the library or tool
during runtime, and shouldn't include anything that is no longer
relevant once the install process is complete.
=over 4
=item alien_build_version
The version of L<Alien::Build> used to install the library or tool.
=item alt
Alternate configurations. If the alienized package has multiple
libraries this could be used to store the different compiler or
linker flags for each library. Typically this will be set by a
plugin in the gather stage (for either share or system installs).
=item cflags
The compiler flags. This is typically set by a plugin in the
gather stage (for either share or system installs).
=item cflags_static
The static compiler flags. This is typically set by a plugin in the
gather stage (for either share or system installs).
=item command
The command name for tools where the name my differ from platform to
platform. For example, the GNU version of make is usually C<make> in
Linux and C<gmake> on FreeBSD. This is typically set by a plugin in the
gather stage (for either share or system installs).
=item ffi_name
The name DLL or shared object "name" to use when searching for dynamic
libraries at runtime. This is passed into L<FFI::CheckLib>, so if
your library is something like C<libarchive.so> or C<archive.dll> you
would set this to C<archive>. This may be a string or an array of
strings. This is typically set by a plugin in the gather stage
(for either share or system installs).
=item ffi_checklib
This property contains two sub properties:
=over 4
=item ffi_checklib.share
$build->runtime_prop->{ffi_checklib}->{share} = [ ... ];
Array of additional L<FFI::CheckLib> flags to pass in to C<find_lib>
for a C<share> install.
=item ffi_checklib.system
Array of additional L<FFI::CheckLib> flags to pass in to C<find_lib>
for a C<system> install.
Among other things, useful for specifying the C<try_linker_script>
flag:
$build->runtime_prop->{ffi_checklib}->{system} = [ try_linker_script => 1 ];
=back
This is typically set by a plugin in the gather stage
(for either share or system installs).
=item inline_auto_include
[version 2.53]
This property is an array reference of C code that will be passed into
L<Inline::C> to make sure that appropriate headers are automatically
included. See L<Inline::C/auto_include> for details.
=item install_type
The install type. This is set by AB core after the
L<probe hook|Alien::Build::Manual::PluginAuthor/"probe hook"> is
executed. Is one of:
=over 4
=item system
For when the library or tool is provided by the operating system, can be
detected by L<Alien::Build>, and is considered satisfactory by the
C<alienfile> recipe.
=item share
For when a system install is not possible, the library source will be
downloaded from the internet or retrieved in another appropriate fashion
and built.
=back
=item libs
The library flags. This is typically set by a plugin in the
gather stage (for either share or system installs).
=item libs_static
The static library flags. This is typically set by a plugin in the
gather stage (for either share or system installs).
=item perl_module_version
The version of the Perl module used to install the alien (if available).
For example if L<Alien::curl> is installing C<libcurl> this would be the
version of L<Alien::curl> used during the install step.
=item prefix
The final install root. This is usually they share directory.
=item version
The version of the library or tool. This is typically set by a plugin in the
gather stage (for either share or system installs).
=back
=head2 hook_prop
my $href = $build->hook_prop;
Hook properties are for the currently running (if any) hook. They are
used only during the execution of each hook and are discarded after.
If no hook is currently running then C<hook_prop> will return C<undef>.
=over 4
=item name
The name of the currently running hook.
=item version (probe)
Probe and PkgConfig plugins I<may> set this property indicating the
version of the alienized package. Not all plugins and configurations
may be able to provide this.
=item probe_class (probe)
Probe and PkgConfig plugins I<may> set this property indicating the
plugin class that made the probe. If the probe results in a system
install this will be propagated to C<system_probe_class> for later
use.
=item probe_instance_id (probe)
Probe and PkgConfig plugins I<may> set this property indicating the
plugin instance id that made the probe. If the probe results in a
system install this will be propagated to C<system_probe_instance_id>
for later use.
=back
=head1 METHODS
=head2 checkpoint
$build->checkpoint;
Save any install or runtime properties so that they can be reloaded on
a subsequent run in a separate process. This is useful if your build
needs to be done in multiple stages from a C<Makefile>, such as with
L<ExtUtils::MakeMaker>. Once checkpointed you can use the C<resume>
constructor (documented above) to resume the probe/build/install]
process.
=head2 root
my $dir = $build->root;
This is just a shortcut for:
my $root = $build->install_prop->{root};
Except that it will be created if it does not already exist.
=head2 install_type
my $type = $build->install_type;
This will return the install type. (See the like named install property
above for details). This method will call C<probe> if it has not already
been called.
=head2 is_system_install
my $boolean = $build->is_system_install;
Returns true if the alien is a system install type.
=head2 is_share_install
my $boolean = $build->is_share_install;
Returns true if the alien is a share install type.
=head2 download_rule
my $rule = $build->download_rule;
This returns install rule as a string. This is determined by the environment
and should be one of:
=over 4
=item C<warn>
Warn only if fetching via non secure source (secure sources include C<https>,
and bundled files, may include other encrypted protocols in the future).
=item C<digest>
Require that any downloaded source package have a cryptographic signature in
the L<alienfile> and that signature matches what was downloaded.
=item C<encrypt>
Require that any downloaded source package is fetched via secure source.
=item C<digest_or_encrypt>
Require that any downloaded source package is B<either> fetched via a secure source
B<or> has a cryptographic signature in the L<alienfile> and that signature matches
what was downloaded.
=item C<digest_and_encrypt>
Require that any downloaded source package is B<both> fetched via a secure source
B<and> has a cryptographic signature in the L<alienfile> and that signature matches
what was downloaded.
=back
The current default is C<warn>, but in the near future this will be upgraded to
C<digest_or_encrypt>.
=head2 set_prefix
$build->set_prefix($prefix);
Set the final (unstaged) prefix. This is normally only called by L<Alien::Build::MM>
and similar modules. It is not intended for use from plugins or from an L<alienfile>.
=head2 set_stage
$build->set_stage($dir);
Sets the stage directory. This is normally only called by L<Alien::Build::MM>
and similar modules. It is not intended for use from plugins or from an L<alienfile>.
=head2 requires
my $hash = $build->requires($phase);
Returns a hash reference of the modules required for the given phase. Phases
include:
=over 4
=item configure
These modules must already be available when the L<alienfile> is read.
=item any
These modules are used during either a C<system> or C<share> install.
=item share
These modules are used during the build phase of a C<share> install.
=item system
These modules are used during the build phase of a C<system> install.
=back
=head2 load_requires
$build->load_requires($phase);
This loads the appropriate modules for the given phase (see C<requires> above
for a description of the phases).
=head2 probe
my $install_type = $build->probe;
Attempts to determine if the operating system has the library or
tool already installed. If so, then the string C<system> will
be returned and a system install will be performed. If not,
then the string C<share> will be installed and the tool or
library will be downloaded and built from source.
If the environment variable C<ALIEN_INSTALL_TYPE> is set, then that
will force a specific type of install. If the detection logic
cannot accommodate the install type requested then it will fail with
an exception.
=head2 download
$build->download;
Download the source, usually as a tarball, usually from the internet.
Under a C<system> install this does not do anything.
=head2 fetch
my $res = $build->fetch;
my $res = $build->fetch($url, %options);
Fetch a resource using the fetch hook. Returns the same hash structure
described below in the
L<fetch hook|Alien::Build::Manual::PluginAuthor/"fetch hook"> documentation.
[version 2.39]
As of L<Alien::Build> 2.39, these options are supported:
=over 4
=item http_headers
my $res = $build->fetch($url, http_headers => [ $key1 => $value1, $key2 => $value 2, ... ]);
Set the HTTP request headers on all outgoing HTTP requests. Note that not all
protocols or fetch plugins support setting request headers, but the ones that
do not I<should> issue a warning if you try to set request headers and they
are not supported.
=back
=head2 check_digest
[experimental]
my $bool = $build->check_digest($path);
Checks any cryptographic signatures for the given file. The
file is specified by C<$path> which may be one of:
=over 4
=item string
Containing the path to the file to be checked.
=item L<Path::Tiny>
Containing the path to the file to be checked.
=item C<HASH>
A Hash reference containing information about a file. See
the L<fetch hook|Alien::Build::Manual::PluginAuthor/"fetch hook"> for details
on the format.
=back
Returns true if the cryptographic signature matches, false if cryptographic
signatures are disabled. Will throw an exception if the signature does not
match, or if no plugin provides the correct algorithm for checking the
signature.
=head2 decode
my $decoded_res = $build->decode($res);
Decode the HTML or file listing returned by C<fetch>. Returns the same
hash structure described below in the
L<decode hook|Alien::Build::Manual::PluginAuthor/"decode hook"> documentation.
=head2 prefer
my $sorted_res = $build->prefer($res);
Filter and sort candidates. The preferred candidate will be returned first in the list.
The worst candidate will be returned last. Returns the same hash structure described
below in the
L<prefer hook|Alien::Build::Manual::PluginAuthor/"prefer hook"> documentation.
=head2 extract
my $dir = $build->extract;
my $dir = $build->extract($archive);
Extracts the given archive into a fresh directory. This is normally called internally
to L<Alien::Build>, and for normal usage is not needed from a plugin or L<alienfile>.
=head2 build
$build->build;
Run the build step. It is expected that C<probe> and C<download>
have already been performed. What it actually does depends on the
type of install:
=over 4
=item share
The source is extracted, and built as determined by the L<alienfile>
recipe. If there is a C<gather_share> that will be executed last.
=item system
The
L<gather_system hook|Alien::Build::Manual::PluginAuthor/"gather_system hook">
will be executed.
=back
=head2 test
$build->test;
Run the test phase
=head2 clean_install
$build->clean_install
Clean files from the final install location. The default implementation removes all
files recursively except for the C<_alien> directory. This is helpful when you have
an old install with files that may break the new build.
For a non-share install this doesn't do anything.
=head2 system
$build->system($command);
$build->system($command, @args);
Interpolates the command and arguments and run the results using
the Perl C<system> command.
=head2 log
$build->log($message);
Send a message to the log. By default this prints to C<STDOUT>.
=head2 meta
my $meta = Alien::Build->meta;
my $meta = $build->meta;
Returns the meta object for your L<Alien::Build> class or instance. The
meta object is a way to manipulate the recipe, and so any changes to the
meta object should be made before the C<probe>, C<download> or C<build> steps.
=head1 META METHODS
=head2 prop
my $href = $build->meta->prop;
Meta properties. This is the same as calling C<meta_prop> on
the class or L<Alien::Build> instance.
=head2 add_requires
Alien::Build->meta->add_requires($phase, $module => $version, ...);
Add the requirement to the given phase. Phase should be one of:
=over 4
=item configure
=item any
=item share
=item system
=back
=head2 interpolator
my $interpolator = $build->meta->interpolator;
my $interpolator = Alien::Build->interpolator;
Returns the L<Alien::Build::Interpolate> instance for the L<Alien::Build> class.
=head2 has_hook
my $bool = $build->meta->has_hook($name);
my $bool = Alien::Build->has_hook($name);
Returns if there is a usable hook registered with the given name.
=head2 register_hook
$build->meta->register_hook($name, $instructions);
Alien::Build->meta->register_hook($name, $instructions);
Register a hook with the given name. C<$instruction> should be either
a code reference, or a command sequence, which is an array reference.
=head2 default_hook
$build->meta->default_hook($name, $instructions);
Alien::Build->meta->default_hook($name, $instructions);
Register a default hook, which will be used if the L<alienfile> does not
register its own hook with that name.
=head2 around_hook
$build->meta->around_hook($hook_name, $code);
Alien::Build->meta->around_hook($hook_name, $code);
Wrap the given hook with a code reference. This is similar to a L<Moose>
method modifier, except that it wraps around the given hook instead of
a method. For example, this will add a probe system requirement:
$build->meta->around_hook(
probe => sub {
my $orig = shift;
my $build = shift;
my $type = $orig->($build, @_);
return $type unless $type eq 'system';
# also require a configuration file
if(-f '/etc/foo.conf')
{
return 'system';
}
else
{
return 'share';
}
},
);
=head2 after_hook
$build->meta->after_hook($hook_name, sub {
my(@args) = @_;
...
});
Execute the given code reference after the hook. The original
arguments are passed into the code reference.
=head2 before_hook
$build->meta->before_hook($hook_name, sub {
my(@args) = @_;
...
});
Execute the given code reference before the hook. The original
arguments are passed into the code reference.
=head2 apply_plugin
Alien::Build->meta->apply_plugin($name);
Alien::Build->meta->apply_plugin($name, @args);
Apply the given plugin with the given arguments.
=head1 ENVIRONMENT
L<Alien::Build> responds to these environment variables:
=over 4
=item ALIEN_BUILD_LOG
The default log class used. See L<Alien::Build::Log> and L<Alien::Build::Log::Default>.
=item ALIEN_BUILD_PKG_CONFIG
Override the logic in L<Alien::Build::Plugin::PkgConfig::Negotiate> which
chooses the best C<pkg-config> plugin.
=item ALIEN_BUILD_POSTLOAD
semicolon separated list of plugins to automatically load after parsing
your L<alienfile>.
=item ALIEN_BUILD_PRELOAD
semicolon separated list of plugins to automatically load before parsing
your L<alienfile>.
=item ALIEN_BUILD_RC
Perl source file which can override some global defaults for L<Alien::Build>,
by, for example, setting preload and postload plugins.
=item ALIEN_DOWNLOAD_RULE
This value determines the rules by which types of downloads are allowed. The legal
values listed under L</download_rule>, plus C<default> which will be the default for
the current version of L<Alien::Build>. For this version that default is C<warn>.
=item ALIEN_INSTALL_NETWORK
If set to true (the default), then network fetch will be allowed. If set to
false, then network fetch will not be allowed.
What constitutes a local vs. network fetch is determined based on the C<start_url>
and C<local_source> meta properties. An L<alienfile> or plugin C<could> override
this detection (possibly inappropriately), so this variable is not a substitute
for properly auditing of Perl modules for environments that require that.
=item ALIEN_INSTALL_TYPE
If set to C<share> or C<system>, it will override the system detection logic.
If set to C<default>, it will use the default setting for the L<alienfile>.
The behavior of other values is undefined.
Although the recommended way for a consumer to use an L<Alien::Base> based L<Alien>
is to declare it as a static configure and build-time dependency, some consumers
may prefer to fallback on using an L<Alien> only when the consumer itself cannot
detect the necessary package. In some cases the consumer may want the user to opt-in
to using an L<Alien> before requiring it.
To keep the interface consistent among Aliens, the consumer of the fallback opt-in
L<Alien> may fallback on the L<Alien> if the environment variable C<ALIEN_INSTALL_TYPE>
is set to any value. The rationale is that by setting this environment variable the
user is aware that L<Alien> modules may be installed and have indicated consent.
The actual implementation of this, by its nature would have to be in the consuming
CPAN module.
=item DESTDIR
This environment variable will be manipulated during a destdir install.
=item PKG_CONFIG
This environment variable can be used to override the program name for C<pkg-config>
when using the command line plugin: L<Alien::Build::Plugin::PkgConfig::CommandLine>.
=item ftp_proxy, all_proxy
If these environment variables are set, it may influence the Download negotiation
plugin L<Alien::Build::Plugin::Download::Negotiate>. Other proxy variables may
be used by some Fetch plugins, if they support it.
=back
=head1 SUPPORT
The intent of the C<Alien-Build> team is to support the same versions of
Perl that are supported by the Perl toolchain. As of this writing that
means 5.16 and better.
Please feel encouraged to report issues that you encounter to the
project GitHub Issue tracker:
=over 4
=item L<https://github.com/PerlAlien/Alien-Build/issues>
=back
Better if you can fix the issue yourself, please feel encouraged to open
pull-request on the project GitHub:
=over 4
=item L<https://github.com/PerlAlien/Alien-Build/pulls>
=back
If you are confounded and have questions, join us on the C<#native>
channel on irc.perl.org. The C<Alien-Build> developers frequent this
channel and can probably help point you in the right direction. If you
don't have an IRC client handy, you can use this web interface:
=over 4
=item L<https://chat.mibbit.com/?channel=%23native&server=irc.perl.org>
=back
=head1 SEE ALSO
L<Alien::Build::Manual::AlienAuthor>,
L<Alien::Build::Manual::AlienUser>,
L<Alien::Build::Manual::Contributing>,
L<Alien::Build::Manual::FAQ>,
L<Alien::Build::Manual::PluginAuthor>
L<alienfile>, L<Alien::Build::MM>, L<Alien::Build::Plugin>, L<Alien::Base>, L<Alien>
=head1 THANKS
L<Alien::Base> was originally written by Joel Berger, the rest of this project would
not have been possible without him getting the project started. Thanks to his support
I have been able to augment the original L<Alien::Base> system with a reliable set
of tools (L<Alien::Build>, L<alienfile>, L<Test::Alien>), which make up this toolset.
The original L<Alien::Base> is still copyright (c) 2012-2020 Joel Berger. It has
the same license as the rest of the Alien::Build and related tools distributed as
C<Alien-Build>. Joel Berger thanked a number of people who helped in in the development
of L<Alien::Base>, in the documentation for that module.
I would also like to acknowledge the other members of the PerlAlien github
organization, Zakariyya Mughal (sivoais, ZMUGHAL) and mohawk (ETJ). Also important
in the early development of L<Alien::Build> were the early adopters Chase Whitener
(genio, CAPOEIRAB, author of L<Alien::libuv>), William N. Braswell, Jr (willthechill,
WBRASWELL, author of L<Alien::JPCRE2> and L<Alien::PCRE2>) and Ahmad Fatoum (a3f,
ATHREEF, author of L<Alien::libudev> and L<Alien::LibUSB>).
The Alien ecosystem owes a debt to Dan Book, who goes by Grinnz on IRC, for answering
question about how to use L<Alien::Build> and friends.
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK Qfl\(���� � perl5/5.32/Alien/Util.pmnu ��6�$ package Alien::Util;
use strict;
use warnings;
use Exporter qw( import );
# ABSTRACT: Alien Utilities used at build and runtime
our $VERSION = '2.84'; # VERSION
our @EXPORT_OK = qw( version_cmp );
# Sort::Versions isn't quite the same algorithm because it differs in
# behaviour with leading zeroes.
# See also https://dev.gentoo.org/~mgorny/pkg-config-spec.html#version-comparison
sub version_cmp {
my @x = (shift =~ m/([0-9]+|[a-z]+)/ig);
my @y = (shift =~ m/([0-9]+|[a-z]+)/ig);
while(@x and @y) {
my $x = shift @x; my $x_isnum = $x =~ m/[0-9]/;
my $y = shift @y; my $y_isnum = $y =~ m/[0-9]/;
if($x_isnum and $y_isnum) {
# Numerical comparison
return $x <=> $y if $x != $y;
}
elsif(!$x_isnum && !$y_isnum) {
# Alphabetic comparison
return $x cmp $y if $x ne $y;
}
else {
# Of differing types, the numeric one is newer
return $x_isnum - $y_isnum;
}
}
# Equal so far; the longer is newer
return @x <=> @y;
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Util - Alien Utilities used at build and runtime
=head1 VERSION
version 2.84
=head1 SYNOPSIS
use Alien::Util qw( version_cmp );
=head1 DESCRIPTION
This module contains some functions used by both the L<Alien::Build> build-time and <Alien::Base>
run-time for Alien.
=head2 version_cmp
$cmp = version_cmp($x, $y)
Comparison method used by L<Alien::Base/atleast_version>, L<Alien::Base/exact_version> and
L<Alien::Base/max_version>. May be useful to implement custom comparisons, or for
subclasses to overload to get different version comparison semantics than the
default rules, for packages that have some other rules than the F<pkg-config>
behaviour.
Should return a number less than, equal to, or greater than zero; similar in
behaviour to the C<< <=> >> and C<cmp> operators.
=head1 SEE ALSO
L<Alien::Base>, L<alienfile>, L<Alien::Build>
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK Qfl\b'e� perl5/5.32/Alien/Role.pmnu ��6�$ package Alien::Role;
use strict;
use warnings;
use 5.008004;
# ABSTRACT: Extend Alien::Base with roles!
our $VERSION = '2.84'; # VERSION
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Role - Extend Alien::Base with roles!
=head1 VERSION
version 2.84
=head1 SYNOPSIS
package Alien::libfoo;
use parent qw( Alien::Base );
use Role::Tiny::With qw( with );
with 'Alien::Role::Dino';
1;
=head1 DESCRIPTION
The C<Alien::Role> namespace is intended for writing roles that can be
applied to L<Alien::Base> to extend its functionality. You could of
course write subclasses that extend L<Alien::Base>, but then you have
to either stick with just one subclass or deal with multiple inheritance!
It is recommended that you use L<Role::Tiny> since it can be used on
plain old Perl classes which is good since L<Alien::Base> doesn't use
anything fancy like L<Moose> or L<Moo>. There is one working example
that use this technique that are worth checking out in the event you
are interested: L<Alien::Role::Dino>.
This class itself doesn't do anything, it just documents the technique.
=head1 SEE ALSO
=over 4
=item L<Alien>
=item L<Alien::Base>
=item L<alienfile>
=item L<Alien::Build>
=item L<Alien::Role::Dino>
=back
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK Qfl\�ܖu( ( " perl5/5.32/Alien/Base/PkgConfig.pmnu ��6�$ package Alien::Base::PkgConfig;
use strict;
use warnings;
use 5.008004;
use Carp;
use Config;
use Path::Tiny qw( path );
use Capture::Tiny qw( capture_stderr );
# ABSTRACT: Private legacy pkg-config class for Alien::Base
our $VERSION = '2.84'; # VERSION
sub new {
my $class = shift;
# allow creation of an object from a full spec.
if (ref $_[0] eq 'HASH') {
return bless $_[0], $class;
}
my ($path) = @_;
croak "Must specify a file" unless defined $path;
$path = path( $path )->absolute;
my($name) = $path->basename =~ /^(.*)\.pc$/;
my $self = {
package => $name,
vars => { pcfiledir => $path->parent->stringify },
keywords => {},
};
bless $self, $class;
$self->read($path);
return $self;
}
sub read {
my $self = shift;
my ($path) = @_;
open my $fh, '<', $path
or croak "Cannot open .pc file $path: $!";
while (my $line = <$fh>) {
if ($line =~ /^([^=:]+?)=([^\n\r]*)/) {
$self->{vars}{$1} = $2;
} elsif ($line =~ /^([^=:]+?):\s*([^\n\r]*)/) {
$self->{keywords}{$1} = $2;
}
}
}
# getter/setter for vars
sub var {
my $self = shift;
my ($var, $newval) = @_;
if (defined $newval) {
$self->{vars}{$var} = $newval;
}
return $self->{vars}{$var};
}
# abstract keywords and other vars in terms of "pure" vars
sub make_abstract {
my $self = shift;
die "make_abstract needs a key (and possibly a value)" unless @_;
my ($var, $value) = @_;
$value = defined $value ? $value : $self->{vars}{$var};
# convert other vars
foreach my $key (keys %{ $self->{vars} }) {
next if $key eq $var; # don't overwrite the current var
$self->{vars}{$key} =~ s/\Q$value\E/\$\{$var\}/g;
}
# convert keywords
foreach my $key (keys %{ $self->{keywords} }) {
$self->{keywords}{$key} =~ s/\Q$value\E/\$\{$var\}/g;
}
}
sub _interpolate_vars {
my $self = shift;
my ($string, $override) = @_;
$override ||= {};
foreach my $key (keys %$override) {
carp "Overriden pkg-config variable $key, contains no data"
unless $override->{$key};
}
if (defined $string) {
1 while $string =~ s/\$\{(.*?)\}/$override->{$1} || $self->{vars}{$1}/e;
}
return $string;
}
sub keyword {
my $self = shift;
my ($keyword, $override) = @_;
{
no warnings 'uninitialized';
croak "overrides passed to 'keyword' must be a hashref"
if defined $override and ref $override ne 'HASH';
}
return $self->_interpolate_vars( $self->{keywords}{$keyword}, $override );
}
my $pkg_config_command;
sub pkg_config_command {
unless (defined $pkg_config_command) {
capture_stderr {
# For now we prefer PkgConfig.pm over pkg-config on
# Solaris 64 bit Perls. We may need to do this on
# other platforms, in which case this logic should
# be abstracted so that it can be shared here and
# in Build.PL
if (`pkg-config --version` && $? == 0 && !($^O eq 'solaris' && $Config{ptrsize} == 8)) {
$pkg_config_command = 'pkg-config';
} else {
require PkgConfig;
$pkg_config_command = "$^X $INC{'PkgConfig.pm'}";
}
}
}
$pkg_config_command;
}
sub TO_JSON
{
my($self) = @_;
my %hash = %$self;
$hash{'__CLASS__'} = ref($self);
\%hash;
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Base::PkgConfig - Private legacy pkg-config class for Alien::Base
=head1 VERSION
version 2.84
=head1 DESCRIPTION
This class is used internally by L<Alien::Base> and L<Alien::Base::ModuleBuild>
to store information from pkg-config about installed Aliens. It is not used
internally by the newer L<alienfile> and L<Alien::Build>. It should never
be used externally, should not be used for code new inside of C<Alien-Build>.
=head1 SEE ALSO
=over
=item L<Alien::Base>
=item L<alienfile>
=item L<Alien::Build>
=back
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK Rfl\��z3� � perl5/5.32/Alien/Base/FAQ.podnu ��6�$ # ABSTRACT: Frequently asked questions
# VERSION
# PODNAME: Alien::Base::FAQ
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Base::FAQ - Frequently asked questions
=head1 VERSION
version 2.84
=head1 SYNOPSIS
% perldoc Alien::Build::Manual::FAQ
% perldoc Alien::Base::ModuleBuild::FAQ
=head1 DESCRIPTION
This used to answer FAQs regarding the only way to author an L<Alien::Build>
distribution, which was with L<Alien::Base::ModuleBuild>. You should now
seriously consider using the newer more reliable method which is via
L<Alien::Build> and L<alienfile>.
=over 4
=item L<Alien::Build::Manual::FAQ>
=item L<Alien::Base::ModuleBuild::FAQ>
=back
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK Rfl\���Q�4 �4 perl5/5.32/Alien/Base/Wrapper.pmnu ��6�$ package Alien::Base::Wrapper;
use strict;
use warnings;
use 5.006;
use Config;
use Text::ParseWords qw( shellwords );
# NOTE: Although this module is now distributed with Alien-Build,
# it should have NO non-perl-core dependencies for all Perls
# 5.6.0-5.30.1 (as of this writing, and any Perl more recent).
# You should be able to extract this module from the rest of
# Alien-Build and use it by itself. (There is a dzil plugin
# for this [AlienBase::Wrapper::Bundle]
# ABSTRACT: Compiler and linker wrapper for Alien
our $VERSION = '2.84'; # VERSION
sub _join
{
join ' ',
map {
my $x = $_;
$x =~ s/(\s)/\\$1/g;
$x;
} @_;
}
sub new
{
my($class, @aliens) = @_;
my $export = 1;
my $writemakefile = 0;
my @cflags_I;
my @cflags_other;
my @ldflags_L;
my @ldflags_l;
my @ldflags_other;
my %requires = (
'ExtUtils::MakeMaker' => '6.52',
'Alien::Base::Wrapper' => '1.97',
);
foreach my $alien (@aliens)
{
if($alien eq '!export')
{
$export = 0;
next;
}
if($alien eq 'WriteMakefile')
{
$writemakefile = 1;
next;
}
my $version = 0;
if($alien =~ s/=(.*)$//)
{
$version = $1;
}
$alien = "Alien::$alien" unless $alien =~ /::/;
$requires{$alien} = $version;
my $alien_pm = $alien . '.pm';
$alien_pm =~ s/::/\//g;
require $alien_pm unless eval { $alien->can('cflags') } && eval { $alien->can('libs') };
my $cflags;
my $libs;
if($alien->install_type eq 'share' && $alien->can('cflags_static'))
{
$cflags = $alien->cflags_static;
$libs = $alien->libs_static;
}
else
{
$cflags = $alien->cflags;
$libs = $alien->libs;
}
$cflags = '' unless defined $cflags;
$libs = '' unless defined $libs;
push @cflags_I, grep /^-I/, shellwords $cflags;
push @cflags_other, grep !/^-I/, shellwords $cflags;
push @ldflags_L, grep /^-L/, shellwords $libs;
push @ldflags_l, grep /^-l/, shellwords $libs;
push @ldflags_other, grep !/^-[Ll]/, shellwords $libs;
}
my @cflags_define = grep /^-D/, @cflags_other;
my @cflags_other2 = grep !/^-D/, @cflags_other;
my @mm;
push @mm, INC => _join @cflags_I if @cflags_I;
push @mm, CCFLAGS => _join(@cflags_other2) . " $Config{ccflags}" if @cflags_other2;
push @mm, DEFINE => _join(@cflags_define) if @cflags_define;
# TODO: handle spaces in -L paths
push @mm, LIBS => ["@ldflags_L @ldflags_l"];
my @ldflags = (@ldflags_L, @ldflags_other);
push @mm, LDDLFLAGS => _join(@ldflags) . " $Config{lddlflags}" if @ldflags;
push @mm, LDFLAGS => _join(@ldflags) . " $Config{ldflags}" if @ldflags;
my @mb;
push @mb, extra_compiler_flags => _join(@cflags_I, @cflags_other);
push @mb, extra_linker_flags => _join(@ldflags_l);
if(@ldflags)
{
push @mb, config => {
lddlflags => _join(@ldflags) . " $Config{lddlflags}",
ldflags => _join(@ldflags) . " $Config{ldflags}",
},
}
bless {
cflags_I => \@cflags_I,
cflags_other => \@cflags_other,
ldflags_L => \@ldflags_L,
ldflags_l => \@ldflags_l,
ldflags_other => \@ldflags_other,
mm => \@mm,
mb => \@mb,
_export => $export,
_writemakefile => $writemakefile,
requires => \%requires,
}, $class;
}
my $default_abw = __PACKAGE__->new;
# for testing only
sub _reset { __PACKAGE__->new }
sub _myexec
{
my @command = @_;
if($^O eq 'MSWin32')
{
# To handle weird quoting on MSWin32
# this logic needs to be improved.
my $command = "@command";
$command =~ s{"}{\\"}g;
system $command;
if($? == -1 )
{
die "failed to execute: $!\n";
}
elsif($? & 127)
{
die "child died with signal @{[ $? & 128 ]}";
}
else
{
exit($? >> 8);
}
}
else
{
exec @command;
}
}
sub cc
{
my @command = (
shellwords($Config{cc}),
@{ $default_abw->{cflags_I} },
@{ $default_abw->{cflags_other} },
@ARGV,
);
print "@command\n" unless $ENV{ALIEN_BASE_WRAPPER_QUIET};
_myexec @command;
}
sub ld
{
my @command = (
shellwords($Config{ld}),
@{ $default_abw->{ldflags_L} },
@{ $default_abw->{ldflags_other} },
@ARGV,
@{ $default_abw->{ldflags_l} },
);
print "@command\n" unless $ENV{ALIEN_BASE_WRAPPER_QUIET};
_myexec @command;
}
sub mm_args
{
my $self = ref $_[0] ? shift : $default_abw;
@{ $self->{mm} };
}
sub mm_args2
{
my $self = shift;
$self = $default_abw unless ref $self;
my %args = @_;
my @mm = @{ $self->{mm} };
while(@mm)
{
my $key = shift @mm;
my $value = shift @mm;
if(defined $args{$key})
{
if($args{$key} eq 'LIBS')
{
require Carp;
# Todo: support this maybe?
Carp::croak("please do not specify your own LIBS key with mm_args2");
}
else
{
$args{$key} = join ' ', $value, $args{$key};
}
}
else
{
$args{$key} = $value;
}
}
foreach my $module (keys %{ $self->{requires} })
{
$args{CONFIGURE_REQUIRES}->{$module} = $self->{requires}->{$module};
}
%args;
}
sub mb_args
{
my $self = ref $_[0] ? shift : $default_abw;
@{ $self->{mb} };
}
sub import
{
shift;
my $abw = $default_abw = __PACKAGE__->new(@_);
if($abw->_export)
{
my $caller = caller;
no strict 'refs';
*{"${caller}::cc"} = \&cc;
*{"${caller}::ld"} = \&ld;
}
if($abw->_writemakefile)
{
my $caller = caller;
no strict 'refs';
*{"${caller}::WriteMakefile"} = \&WriteMakefile;
}
}
sub WriteMakefile
{
my %args = @_;
require ExtUtils::MakeMaker;
ExtUtils::MakeMaker->VERSION('6.52');
my @aliens;
if(my $reqs = delete $args{alien_requires})
{
if(ref $reqs eq 'HASH')
{
@aliens = map {
my $module = $_;
my $version = $reqs->{$module};
$version ? "$module=$version" : "$module";
} sort keys %$reqs;
}
elsif(ref $reqs eq 'ARRAY')
{
@aliens = @$reqs;
}
else
{
require Carp;
Carp::croak("aliens_require must be either a hash or array reference");
}
}
else
{
require Carp;
Carp::croak("You are using Alien::Base::Wrapper::WriteMakefile, but didn't specify any alien requirements");
}
ExtUtils::MakeMaker::WriteMakefile(
Alien::Base::Wrapper->new(@aliens)->mm_args2(%args),
);
}
sub _export { shift->{_export} }
sub _writemakefile { shift->{_writemakefile} }
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Base::Wrapper - Compiler and linker wrapper for Alien
=head1 VERSION
version 2.84
=head1 SYNOPSIS
From the command line:
% perl -MAlien::Base::Wrapper=Alien::Foo,Alien::Bar -e cc -- -o foo.o -c foo.c
% perl -MAlien::Base::Wrapper=Alien::Foo,Alien::Bar -e ld -- -o foo foo.o
From Makefile.PL (static):
use ExtUtils::MakeMaker;
use Alien::Base::Wrapper ();
WriteMakefile(
Alien::Base::Wrapper->new( 'Alien::Foo', 'Alien::Bar')->mm_args2(
'NAME' => 'Foo::XS',
'VERSION_FROM' => 'lib/Foo/XS.pm',
),
);
From Makefile.PL (static with wrapper)
use Alien::Base::Wrapper qw( WriteMakefile);
WriteMakefile(
'NAME' => 'Foo::XS',
'VERSION_FROM' => 'lib/Foo/XS.pm',
'alien_requires' => {
'Alien::Foo' => 0,
'Alien::Bar' => 0,
},
);
From Makefile.PL (dynamic):
use Devel::CheckLib qw( check_lib );
use ExtUtils::MakeMaker 6.52;
my @mm_args;
my @libs;
if(check_lib( lib => [ 'foo' ] )
{
push @mm_args, LIBS => [ '-lfoo' ];
}
else
{
push @mm_args,
CC => '$(FULLPERL) -MAlien::Base::Wrapper=Alien::Foo -e cc --',
LD => '$(FULLPERL) -MAlien::Base::Wrapper=Alien::Foo -e ld --',
BUILD_REQUIRES => {
'Alien::Foo' => 0,
'Alien::Base::Wrapper' => 0,
}
;
}
WriteMakefile(
'NAME' => 'Foo::XS',
'VERSION_FROM' => 'lib/Foo/XS.pm',
'CONFIGURE_REQUIRES => {
'ExtUtils::MakeMaker' => 6.52,
},
@mm_args,
);
=head1 DESCRIPTION
This module acts as a wrapper around one or more L<Alien> modules. It is designed to work
with L<Alien::Base> based aliens, but it should work with any L<Alien> which uses the same
essential API.
In the first example (from the command line), this class acts as a wrapper around the
compiler and linker that Perl is configured to use. It takes the normal compiler and
linker flags and adds the flags provided by the Aliens specified, and then executes the
command. It will print the command to the console so that you can see exactly what is
happening.
In the second example (from Makefile.PL non-dynamic), this class is used to generate the
appropriate L<ExtUtils::MakeMaker> (EUMM) arguments needed to C<WriteMakefile>.
In the third example (from Makefile.PL dynamic), we do a quick check to see if the simple
linker flag C<-lfoo> will work, if so we use that. If not, we use a wrapper around the
compiler and linker that will use the alien flags that are known at build time. The
problem that this form attempts to solve is that compiler and linker flags typically
need to be determined at I<configure> time, when a distribution is installed, meaning
if you are going to use an L<Alien> module then it needs to be a configure prerequisite,
even if the library is already installed and easily detected on the operating system.
The author of this module believes that the third (from Makefile.PL dynamic) form is
somewhat unnecessary. L<Alien> modules based on L<Alien::Base> have a few prerequisites,
but they are well maintained and reliable, so while there is a small cost in terms of extra
dependencies, the overall reliability thanks to reduced overall complexity.
=head1 CONSTRUCTOR
=head2 new
my $abw = Alien::Base::Wrapper->new(@aliens);
Instead of passing the aliens you want to use into this modules import you can create
a non-global instance of C<Alien::Base::Wrapper> using the OO interface.
=head1 FUNCTIONS
=head2 cc
% perl -MAlien::Base::Wrapper=Alien::Foo -e cc -- cflags
Invoke the C compiler with the appropriate flags from C<Alien::Foo> and what
is provided on the command line.
=head2 ld
% perl -MAlien::Base::Wrapper=Alien::Foo -e ld -- ldflags
Invoke the linker with the appropriate flags from C<Alien::Foo> and what
is provided on the command line.
=head2 mm_args
my %args = $abw->mm_args;
my %args = Alien::Base::Wrapper->mm_args;
Returns arguments that you can pass into C<WriteMakefile> to compile/link against
the specified Aliens. Note that this does not set C<CONFIGURE_REQUIRES>. You
probably want to use C<mm_args2> below instead for that reason.
=head2 mm_args2
my %args = $abw->mm_args2(%args);
my %args = Alien::Base::Wrapper->mm_args2(%args);
Returns arguments that you can pass into C<WriteMakefile> to compile/link against. It works
a little differently from C<mm_args> above in that you can pass in arguments. It also adds
the appropriate C<CONFIGURE_REQUIRES> for you so you do not have to do that explicitly.
=head2 mb_args
my %args = $abw->mb_args;
my %args = Alien::Base::Wrapper->mb_args;
Returns arguments that you can pass into the constructor to L<Module::Build>.
=head2 WriteMakefile
use Alien::Base::Wrapper qw( WriteMakefile );
WriteMakefile(%args, alien_requires => \%aliens);
WriteMakefile(%args, alien_requires => \@aliens);
This is a thin wrapper around C<WriteMakefile> from L<ExtUtils::MakeMaker>, which adds the
given aliens to the configure requirements and sets the appropriate compiler and linker
flags.
If the aliens are specified as a hash reference, then the keys are the module names and the
values are the versions. For a list it is just the name of the aliens.
For the list form you can specify a version by appending C<=version> to the name of the
Aliens, that is:
WriteMakefile(
alien_requires => [ 'Alien::libfoo=1.23', 'Alien::libbar=4.56' ],
);
The list form is recommended if the ordering of the aliens matter. The aliens are sorted in
the hash form to make it consistent, but it may not be the order that you want.
=head1 ENVIRONMENT
Alien::Base::Wrapper responds to these environment variables:
=over 4
=item ALIEN_BASE_WRAPPER_QUIET
If set to true, do not print the command before executing
=back
=head1 SEE ALSO
L<Alien::Base>, L<Alien::Base>
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK Rfl\�� � # perl5/5.32/Alien/Base/Authoring.podnu ��6�$ # ABSTRACT: Authoring an Alien distribution using Alien::Base
# PODNAME: Alien::Base::Authoring
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Base::Authoring - Authoring an Alien distribution using Alien::Base
=head1 VERSION
version 2.84
=head1 SYNOPSIS
% perldoc Alien::Build::Manual::AlienAuthor
% perldoc Alien::Base::ModuleBuild::Authoring
=head1 DESCRIPTION
This used to document the only way to author an L<Alien> distribution, which
was with L<Alien::Base::ModuleBuild>. You should now seriously consider using
the newer more reliable method which is via L<Alien::Build> and L<alienfile>. Read all about it in L<Alien::Build::Manual::AlienAuthor> and L<Alien::Base::ModuleBuild::Authoring>
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK Sfl\� ��� � ) perl5/5.32/Alien/Build/CommandSequence.pmnu ��6�$ package Alien::Build::CommandSequence;
use strict;
use warnings;
use 5.008004;
use Text::ParseWords qw( shellwords );
use Capture::Tiny qw( capture );
# ABSTRACT: Alien::Build command sequence
our $VERSION = '2.84'; # VERSION
sub new
{
my($class, @commands) = @_;
my $self = bless {
commands => \@commands,
}, $class;
$self;
}
sub apply_requirements
{
my($self, $meta, $phase) = @_;
my $intr = $meta->interpolator;
foreach my $command (@{ $self->{commands} })
{
next if ref $command eq 'CODE';
if(ref $command eq 'ARRAY')
{
foreach my $arg (@$command)
{
next if ref $arg eq 'CODE';
$meta->add_requires($phase, $intr->requires($arg))
}
}
else
{
$meta->add_requires($phase, $intr->requires($command));
}
}
$self;
}
my %built_in = (
cd => sub {
my(undef, $dir) = @_;
if(!defined $dir)
{
die "undef passed to cd";
}
elsif(-d $dir)
{
chdir($dir) || die "unable to cd $dir $!";
}
else
{
die "unable to cd $dir, does not exist";
}
},
);
sub _run_list
{
my($build, @cmd) = @_;
$build->log("+ @cmd");
return $built_in{$cmd[0]}->(@cmd) if $built_in{$cmd[0]};
system @cmd;
die "external command failed" if $?;
}
sub _run_string
{
my($build, $cmd) = @_;
$build->log("+ $cmd");
{
my $cmd = $cmd;
$cmd =~ s{\\}{\\\\}g if $^O eq 'MSWin32';
my @cmd = shellwords($cmd);
return $built_in{$cmd[0]}->(@cmd) if $built_in{$cmd[0]};
}
system $cmd;
die "external command failed" if $?;
}
sub _run_with_code
{
my($build, @cmd) = @_;
my $code = pop @cmd;
$build->log("+ @cmd");
my %args = ( command => \@cmd );
if($built_in{$cmd[0]})
{
my $error;
($args{out}, $args{err}, $error) = capture {
eval { $built_in{$cmd[0]}->(@cmd) };
$@;
};
$args{exit} = $error eq '' ? 0 : 2;
$args{builtin} = 1;
}
else
{
($args{out}, $args{err}, $args{exit}) = capture {
system @cmd; $?
};
}
$build->log("[output consumed by Alien::Build recipe]");
$code->($build, \%args);
}
sub _apply
{
my($where, $prop, $value) = @_;
if($where =~ /^(.*?)\.(.*?)$/)
{
_apply($2, $prop->{$1}, $value);
}
else
{
$prop->{$where} = $value;
}
}
sub execute
{
my($self, $build) = @_;
my $intr = $build->meta->interpolator;
foreach my $command (@{ $self->{commands} })
{
if(ref($command) eq 'CODE')
{
$command->($build);
}
elsif(ref($command) eq 'ARRAY')
{
my($command, @args) = @$command;
my $code;
$code = pop @args if $args[-1] && ref($args[-1]) eq 'CODE';
if($args[-1] && ref($args[-1]) eq 'SCALAR')
{
my $dest = ${ pop @args };
if($dest =~ /^\%\{((?:alien|)\.(?:install|runtime|hook)\.[a-z\.0-9_]+)\}$/)
{
$dest = $1;
$dest =~ s/^\./alien./;
$code = sub {
my($build, $args) = @_;
die "external command failed" if $args->{exit};
my $out = $args->{out};
chomp $out;
_apply($dest, $build->_command_prop, $out);
};
}
else
{
die "illegal destination: $dest";
}
}
($command, @args) = map { $intr->interpolate($_, $build) } ($command, @args);
if($code)
{
_run_with_code $build, $command, @args, $code;
}
else
{
_run_list $build, $command, @args;
}
}
else
{
my $command = $intr->interpolate($command, $build);
_run_string $build, $command;
}
}
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::CommandSequence - Alien::Build command sequence
=head1 VERSION
version 2.84
=head1 CONSTRUCTOR
=head2 new
my $seq = Alien::Build::CommandSequence->new(@commands);
=head1 METHODS
=head2 apply_requirements
$seq->apply_requirements($meta, $phase);
=head2 execute
$seq->execute($build);
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK Tfl\�
g�D D perl5/5.32/Alien/Build/Util.pmnu ��6�$ package Alien::Build::Util;
use strict;
use warnings;
use 5.008004;
use Exporter qw( import );
use Path::Tiny qw( path );
use Config;
# ABSTRACT: Private utility functions for Alien::Build
our $VERSION = '2.84'; # VERSION
our @EXPORT_OK = qw( _mirror _dump _destdir_prefix _perl_config _ssl_reqs _has_ssl );
# usage: _mirror $source_directory, $dest_direction, \%options
#
# options:
# - filter -> regex for files that should match
# - empty_directory -> if true, create all directories, including empty ones.
# - verbose -> turn on verbosity
sub _mirror
{
my($src_root, $dst_root, $opt) = @_;
($src_root, $dst_root) = map { path($_) } ($src_root, $dst_root);
$opt ||= {};
require Alien::Build;
require File::Find;
require File::Copy;
File::Find::find({
wanted => sub {
next unless -e $File::Find::name;
my $src = path($File::Find::name)->relative($src_root);
return if $opt->{filter} && "$src" !~ $opt->{filter};
return if "$src" eq '.';
my $dst = $dst_root->child("$src");
$src = $src->absolute($src_root);
if(-l "$src")
{
unless(-d $dst->parent)
{
Alien::Build->log("mkdir -p @{[ $dst->parent ]}") if $opt->{verbose};
$dst->parent->mkpath;
}
# TODO: rmtree if a directory?
if(-e "$dst")
{ unlink "$dst" }
my $target = readlink "$src";
Alien::Build->log("ln -s $target $dst") if $opt->{verbose};
symlink($target, $dst) || die "unable to symlink $target => $dst";
}
elsif(-d "$src")
{
if($opt->{empty_directory})
{
unless(-d $dst)
{
Alien::Build->log("mkdir $dst") if $opt->{verbose};
mkdir($dst) || die "unable to create directory $dst: $!";
}
}
}
elsif(-f "$src")
{
unless(-d $dst->parent)
{
Alien::Build->log("mkdir -p @{[ $dst->parent ]}") if $opt->{verbose};
$dst->parent->mkpath;
}
# TODO: rmtree if a directory?
if(-e "$dst")
{ unlink "$dst" }
Alien::Build->log("cp $src $dst") if $opt->{verbose};
File::Copy::cp("$src", "$dst") || die "copy error $src => $dst: $!";
if($] < 5.012 && -x "$src" && $^O ne 'MSWin32')
{
# apparently Perl 5.8 and 5.10 do not preserver perms
my $mode = [stat "$src"]->[2] & oct(777);
eval { chmod $mode, "$dst" };
}
}
},
no_chdir => 1,
}, "$src_root");
();
}
sub _dump
{
if(eval { require YAML })
{
return YAML::Dump(@_);
}
else
{
require Data::Dumper;
return Data::Dumper::Dumper(@_);
}
}
sub _destdir_prefix
{
my($destdir, $prefix) = @_;
$prefix =~ s{^/?([a-z]):}{$1}i if $^O eq 'MSWin32';
path($destdir)->child($prefix)->stringify;
}
sub _perl_config
{
my($key) = @_;
$Config{$key};
}
sub _ssl_reqs
{
return {
'Net::SSLeay' => '1.49',
'IO::Socket::SSL' => '1.56',
};
}
sub _has_ssl
{
my %reqs = %{ _ssl_reqs() };
eval {
require Net::SSLeay;
die "need Net::SSLeay $reqs{'Net::SSLeay'}" unless Net::SSLeay->VERSION($reqs{'Net::SSLeay'});
require IO::Socket::SSL;
die "need IO::Socket::SSL $reqs{'IO::Socket::SSL'}" unless IO::Socket::SSL->VERSION($reqs{'IO::Socket::SSL'});
};
$@ eq '';
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::Util - Private utility functions for Alien::Build
=head1 VERSION
version 2.84
=head1 DESCRIPTION
This module contains some private utility functions used internally by
L<Alien::Build>. It shouldn't be used by any distribution other than
C<Alien-Build>. That includes L<Alien::Build> plugins that are not
part of the L<Alien::Build> core.
You have been warned. The functionality within may be removed at
any time!
=head1 SEE ALSO
L<Alien::Build>
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK Tfl\�6���" �" * perl5/5.32/Alien/Build/Manual/Security.podnu ��6�$ # PODNAME: Alien::Build::Manual::Security
# ABSTRACT: General alien author documentation
# VERSION
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::Manual::Security - General alien author documentation
=head1 VERSION
version 2.84
=head1 SYNOPSIS
perldoc Alien::Build::Manual::Security
=head1 DESCRIPTION
You are rightly concerned that an L<Alien> might be downloading something random
off the internet. This manual will describe some of the real risks and go over
how you can mitigate them.
=head2 no warranty
L<Alien::Build> provides L<Alien> authors with tools to add external non-Perl
dependencies to CPAN modules. It is open source software that is entirely
volunteer driven, meaning the people writing this software are not getting
compensated monetarily for the work. As such, we do our best not to
intentionally introduce security vulnerabilities into our modules, or their
dependencies. But it is also not our responsibility either. If you are
operating in an environment where you need absolute security, you need to
carefully audit I<all> of the software that you use.
=head2 L<Alien::Build> vs. L<CPAN>
I suppose you could argue that L<Alien::Build> based L<Alien>s and L<Alien>s
in general are inherently less secure than the the Perl modules on L<CPAN>
that don't download random stuff off the internet. Worse yet, L<Alien>s
might be downloading from insecure sources like C<http> or C<ftp>.
This argument falls apart pretty quickly when you realize that
=over 4
=item 1
Perl modules from L<CPAN> are in fact random stuff off the internet.
Most modules, when installed execute a C<Makefile.PL> which can execute
completely arbitrary Perl code. Without a proper audit or firewalls
that L<CPAN> code could be making connections to insecure sources
like C<http> if they are not themselves doing something nefarious.
=item 2
By default, the most frequently used L<CPAN> client L<App::cpanminus|cpanm>
uses C<http> to fetch L<CPAN> modules. So unless you have specifically
configured it to connect to a secure source you are downloading
even more random stuff than usual off the internet.
=back
The TL;DR is that if you are using a Perl module, whether it be
C<Foo::PP>, C<Foo::XS> or C<Alien::libfoo> and you are concerned about
security you need to audit all of your Perl modules, not just the L<Alien>
ones.
=head2 Restricting L<Alien::Build> by environment
Okay, granted you need to audit software for security regardless of
if it is L<Alien>, you still don't like the idea of downloading external
dependencies and you can't firewall just the L<CPAN> module installs.
L<Alien::Build> based L<Alien>s respect a number of environment variables
that at least give you some control over how aggresive L<Alien::Build>
will be at fetching random stuff off the internet.
=over 4
=item C<ALIEN_DOWNLOAD_RULE>
This environment variable configures how L<Alien::Build> will deal
with insecure protocols and files that do not include a cryptographic
signature.
Part of the design of the L<Alien::Build> system is that it typically
tries to download the latest version of a package instead of a fixed
version, so that the L<Alien> doesn't need to be updated when a new
alienized package is released. This means that we frequently have
to rely on TLS or bundled alienized packages to ensure that the
alienized package is fetched securely.
Recently (as of L<Alien::Build> 2.59) we started supporting cryptographic
signatures defined in L<alienfile>s, but they are not yet very common,
and they only really work when a single alienized package URL is hard
coded into the L<alienfile> instead of the more typical mode of operation
where the latest version is downloaded.
=over 4
=item warn
This mode will warn you if an L<Alien::Build> based L<Alien> attempts
to fetch a alienized package insecurely. It will also warn you if
a package doesn't have a cryptographic signature. Neither of these
things wild stop the L<Alien> from being installed.
This is unfortunately currently the default mode of L<Alien::Build>,
for historical reasons. Once plugins and L<Alien>s are updated to
either use secure fetch (TLS or bundled alienized packages), or
cryptographic signatures, the default will be changed to
C<digest_or_encrypt>.
=item digest_or_encrypt
This mode will require that before an alienized package is extracted
that it is either fetched via a secure protocol (C<http> or C<file>),
or the package matches a cryptographic signature.
This will likely be the default for L<Alien::Build> in the near future,
but it doesn't hurt to set it now, if you don't mind submitting
tickets to L<Alien>s or L<plugins|Alien::Build::Plugin> that don't
support this mode yet.
=back
=item C<ALIEN_INSTALL_NETWORK>
By design L<Alien>s should use local installs of libraries and tools
before downloading source from the internet. Setting this environment
variable to false, will instruct L<Alien::Build> to not attempt to
fetch the alienized package off the internet if it is not available
locally or as a bundled package.
This is similar to setting C<ALIEN_INSTALL_TYPE> to C<system> (see
below), except it does allow L<Alien>s that bundle their alienized
package inside the L<CPAN> package tarball.
Some L<Alien>s will not install properly at first, but when they error
you can install the system package and try to re-install the L<Alien>.
=item C<ALIEN_INSTALL_TYPE>
Setting C<ALIEN_INSTALL_TYPE> to C<system> is similar to setting
C<ALIEN_INSTALL_NETWORK> to false, except that bundled alienized
packages will also be rejected. This environment variable is really
intended for use by operating system vendors packaging L<Alien>s,
or for L<Alien> developer testing (in CI for example). For some
who want to restrict how L<Alien>s install this might be the right
tool to reach for.
=back
Note that this is definitely best effort. If the L<Alien> author makes
a mistake or is malicious they could override these environment variables
inside the C<Makefile.PL>, so you still need to audit any software to
ensure that it doesn't fetch source off the internet.
=head2 Security Related Plugins
There are a number of plugins that give the user or installer control
over how L<Alien::Build> behaves, and may be useful for rudimentary
security.
=over 4
=item L<Alien::Build::Plugin::Fetch::Prompt>
This plugin will prompt before fetching any remote files. This only
really works when you are installing L<Alien>s interactively.
=item L<Alien::Build::Plugin::Fetch::HostAllowList>
This plugin will only allow fetching from hosts that are in an allow list.
=item L<Alien::Build::Plugin::Fetch::HostBlockList>
This plugin will not allow fetching from hosts that are in a block list.
=item L<Alien::Build::Plugin::Fetch::Rewrite>
This plugin can re-write fetched URLs before the request is made. This
can be useful if you have a local mirror of certain sources that you
want to use instead of fetching from the wider internet.
=item L<Alien::Build::Plugin::Probe::Override>
This plugin can override the C<ALIEN_INSTALL_TYPE> on a perl-Alien basis.
This can be useful if you want to install some L<Alien>s in C<share>
mode, but generally want to enforce C<system> mode.
=back
=head2 local configuration
You can configure the way L<Alien::Build> based L<Alien>s are installed with the
local configuration file C<~/.alienbuild/rc.pl>. See L<Alien::Build::rc> for
details.
=head1 CAVEATS
This whole document is caveats, but if you haven't gotten it by now then,
fundamentally if you need to use Perl modules securely then you need to
audit the code for security vulnerabilities. If you think that the security
of L<Alien::Build> and the L<Alien>s that depend on it, then I<patches welcome>.
=head1 SEE ALSO
=over 4
=item L<Alien::Build::Manual>
Other L<Alien::Build> manuals.
=back
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK Tfl\AMW�R �R % perl5/5.32/Alien/Build/Manual/FAQ.podnu ��6�$ # PODNAME: Alien::Build::Manual::FAQ
# ABSTRACT: Frequently Asked Questions about Alien::Build
# VERSION
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::Manual::FAQ - Frequently Asked Questions about Alien::Build
=head1 VERSION
version 2.84
=head1 SYNOPSIS
perldoc Alien::Build::Manual::FAQ
=head1 DESCRIPTION
This document serves to answer the most frequently asked questions made by developers
creating L<Alien> modules using L<Alien::Build>.
=head1 QUESTIONS
=head2 What is Alien, Alien::Base and Alien::Build?
Alien in a Perl namespace for defining dependencies in CPAN for libraries and tools which
are not "native" to CPAN. For a manifesto style description of the Why, and How see
L<Alien>. L<Alien::Base> is a base class for the L<Alien> runtime. L<Alien::Build> is
a tool for probing the operating system for existing libraries and tools, and downloading, building
and installing packages. L<alienfile> is a recipe format for describing how to probe,
download, build and install a package.
=head2 How do I build a package that uses I<build system>
=head3 autoconf
Use the autoconf plugin (L<Alien::Build::Plugin::Build::Autoconf>). If your package
provides a pkg-config C<.pc> file, then you can also use the PkgConfig plugin
(L<Alien::Build::Plugin::PkgConfig::Negotiate>).
use alienfile
plugin PkgConfig => 'libfoo';
share {
start_url => 'http://example.org/dist';
plugin Download => (
version => qr/libfoo-([0-9\.])\.tar\.gz$/,
);
plugin Extract => 'tar.gz';
plugin 'Build::Autoconf';
};
If you need to provide custom flags to configure, you can do that too:
share {
plugin 'Build::Autoconf';
build [
'%{configure} --disable-shared --enable-foo',
'%{make}',
'%{make} install',
];
};
If your package requires GNU Make, use C<%{gmake}> instead of C<%{make}>.
=head3 autoconf without configure script
A number of Open Source projects are using autotools, but do not provide the
C<configure> script. When alienizing these types of packages you have a
few choices:
=over 4
=item build configure using autotools
The Alien L<Alien::Autotools> is designed to provide autotools for building
such packages from source. The advantage is that this is how the upstream
developers intend on having their package built. The downside is that it
is also adds more prereqs to your Alien. The silver lining is that if you
require this Alien in the C<share> block (as you should), then these prereqs
will only be pulled in during a share install when they are needed.
Please see the L<Alien::Autotools> documentation for specifics on how it
can be used in your L<alienfile>.
=item patch the package locally before build
You can use the L<alienfile/patch> directive to patch the alienized package
locally before building. This can sometimes be challenging because Autotools
uses timestamps in order to decide what needs to be rebuilt, and patching
can sometimes confuse it into thinking more needs to be rebuilt than what
actually does.
=item build configure and tarball
You can also build the configure script during development of your alien,
generate the tarball and provide it somewhere like GitHub and use that
as the source instead of the original source. This should usually be
a last resort if the other two methods prove too difficult.
=back
=head3 autoconf-like
If you see an error like this:
Unknown option "--with-pic".
It is because the autoconf plugin uses the C<--with-pic> option by default, since
it makes sense most of the time, and autoconf usually ignores options that it does
not recognize. Some autoconf style build systems fail when they see an option that
they do not recognize. You can turn this behavior off for these packages:
plugin 'Build::Autoconf' => (
with_pic => 0,
);
Another thing about the autoconf plugin is that it uses C<DESTDIR> to do a double
staged install. If you see an error like "nothing was installed into destdir", that
means that your package does not support C<DESTDIR>. You should instead use the
MSYS plugin and use a command sequence to do the build like this:
share {
plugin 'Build::MSYS';
build [
# explicitly running configure with "sh" will make sure that
# it works on windows as well as UNIX.
'sh configure --prefix=%{.install.prefix} --disable-shared',
'%{make}',
'%{make} install',
];
};
=head3 CMake
There is an alien L<Alien::cmake3> that provides C<cmake> 3.x or better (It is preferred to the
older L<Alien::CMake>). Though it is recommended that you use the C<cmake>
(L<Alien::Build::Plugin::Build::CMake>) plugin instead of using L<Alien::cmake3>.
use alienfile;
share {
plugin 'Build::CMake';
build [
# this is the default build step, if you do not specify one.
[ '%{cmake}',
@{ meta->prop->{plugin_build_cmake}->{args} },
# ... put extra cmake args here ...
'.'
],
'%{make}',
'%{make} install',
];
};
=head3 vanilla Makefiles
L<Alien::Build> provides a helper (C<%{make}>) for the C<make> that is used by Perl and
L<ExtUtils::MakeMaker> (EUMM). Unfortunately the C<make> supported by Perl and EUMM on
Windows (C<nmake> and C<dmake>) are not widely supported by most open source projects.
(Thankfully recent perls and EUMM support GNU Make on windows now).
You can use the C<make> plugin (L<Alien::Build::Plugin::Build::Make>) to tell the
L<Alien::Build> system which make the project that you are alienizing requires.
plugin 'Build::Make' => 'umake';
# umake makes %{make} either GNU Make or BSD Make on Unix and GNU Make on Windows.
build {
build [
# You can use the Perl config compiler and cflags using the %{perl.config...} helper
[ '%{make}', 'CC=%{perl.config.cc}', 'CFLAGS=%{perl.config.cccdlflags} %{perl.config.optimize}' ],
[ '%{make}', 'install', 'PREFIX=%{.install.prefix}' ],
],
};
Some open source projects require GNU Make, and you can specify that, and L<Alien::gmake>
will be pulled in on platforms that do not already have it.
plugin 'Build::Make' => 'gmake';
...
=head2 How do I probe for a package that uses pkg-config?
Use the C<pkg-config> plugin (L<Alien::Build::Plugin::PkgConfig::Negotiate>):
use alienfile;
plugin 'PkgConfig' => (
pkg_name => 'libfoo',
);
It will probe for a system version of the library. It will also add the appropriate C<version>
C<cflags> and C<libs> properties on either a C<system> or C<share> install.
=head2 How do I specify a minimum or exact version requirement for packages that use pkg-config?
The various pkg-config plugins all support atleast_version, exact_version and maximum_version
fields, which have the same meaning as the C<pkg-config> command line interface:
use alienfile;
plugin 'PkgConfig', pkg_name => 'foo', atleast_version => '1.2.3';
or
use alienfile;
plugin 'PkgConfig', pkg_name => foo, exact_version => '1.2.3';
=head2 How do I probe for a package that uses multiple .pc files?
Each of the C<PkgConfig> plugins will take an array reference instead of a string:
use alienfile;
plugin 'PkgConfig' => ( pkg_name => [ 'foo', 'bar', 'baz' ] );
The first C<pkg_name> given will be used by default once your alien is installed.
To get the configuration for C<foo> and C<bar> you can use the
L<Alien::Base alt method|Alien::Base/alt>:
use Alien::libfoo;
$cflags = Alien::libfoo->cflags; # compiler flags for 'foo'
$cflags = Alien::libfoo->alt('bar')->cflags ; # compiler flags for 'bar'
$cflags = Alien::libfoo->alt('baz')->cflags ; # compiler flags for 'baz'
=head2 How to create an Alien module for packages that do not support pkg-config?
=head3 Packages that provide a configuration script
Many packages provide a command that you can use to get the appropriate version, compiler
and linker flags. For those packages you can just use the commands in your L<alienfile>.
Something like this:
use alienfile;
probe [ 'foo-config --version' ];
share {
...
build [
'%{make} PREFIX=%{.runtime.prefix}',
'%{make} install PREFIX=%{.runtime.prefix}',
];
};
gather [
[ 'foo-config', '--version', \'%{.runtime.version}' ],
[ 'foo-config', '--cflags', \'%{.runtime.cflags}' ],
[ 'foo-config', '--libs', \'%{.runtime.libs}' ],
];
=head3 Packages that require a compile test
Some packages just expect you do know that C<-lfoo> will work. For those you can use
the C<cbuilder> plugin (L<Alien::Build::Plugin::Probe::CBuilder>).
use alienfile;
plugin 'Probe::CBuilder' => (
cflags => '-I/opt/libfoo/include',
libs => '-L/opt/libfoo/lib -lfoo',
);
share {
...
gather sub {
my($build) = @_;
my $prefix = $build->runtime_prop->{prefix};
$build->runtime_prop->{cflags} = "-I$prefix/include ";
$build->runtime_prop->{libs} = "-L$prefix/lib -lfoo ";
};
}
This plugin will build a small program with these flags and test that it works. (There
are also options to provide a program that can make simple tests to ensure the library
works). If the probe works, it will set the compiler and linker flags. (There are also
options for extracting the version from the test program). If you do a share install
you will need to set the compiler and linker flags yourself in the gather step, if you
aren't using a build plugin that will do that for you.
=head2 Can/Should I write a tool oriented Alien module?
Certainly. The original intent was to provide libraries, but tools are also quite doable using
the L<Alien::Build> toolset. A good example of how to do this is L<Alien::nasm>. You will want
to use the 'Probe::CommandLine':
use alienfile;
plugin 'Probe::CommandLine' => (
command => 'gzip',
);
=head2 How do I test my package once it is built (before it is installed)?
Use L<Test::Alien>. It has extensive documentation, and integrates nicely with L<Alien::Base>.
=head2 How do I patch packages that need alterations?
If you have a diff file you can use patch:
use alienfile;
probe sub { 'share' }; # replace with appropriate probe
share {
...
patch [ '%{patch} -p1 < %{.install.patch}/mypatch.diff' ];
build [ ... ] ;
}
...
You can also patch using Perl if that is easier:
use alienfile;
probe sub { 'share' };
share {
...
patch sub {
my($build) = @_;
# make changes to source prior to build
};
build [ ... ];
};
=head2 The flags that a plugin produces are wrong!
Sometimes, the compiler or linker flags that the PkgConfig plugin comes up with are not quite
right. (Frequently this is actually because a package maintainer is providing a broken
C<.pc> file). (Other plugins may also have problems). You could replace the plugin's C<gather> step
but a better way is to provide a subroutine callback to be called after the gather stage
is complete. You can do this with the L<alienfile> C<after> directive:
use alienfile;
plugin 'PkgConfig' => 'libfoo';
share {
...
after 'gather' => sub {
my($build) = @_;
$build->runtime_prop->{libs} .= " -lbar"; # libfoo also requires libbar
$build->runtime_prop->{libs_static} .= " -lbar -lbaz"; # libfoo also requires libbaz under static linkage
};
};
Sometimes you only need to do this on certain platforms. You can adjust the logic based on C<$^O>
appropriately.
use alienfile;
plugin 'PkgConfig' => 'libfoo';
share {
...
after 'gather' => sub {
my($build) = @_;
if($^O eq 'MSWin32') {
$build->runtime_prop->{libs} .= " -lpsapi";
}
};
};
=head2 "cannot open shared object file" trying to load XS
The error looks something like this:
t/acme_alien_dontpanic2.t ....... 1/?
# Failed test 'xs'
# at t/acme_alien_dontpanic2.t line 13.
# XSLoader failed
# Can't load '/home/cip/.cpanm/work/1581635869.456/Acme-Alien-DontPanic2-2.0401/_alien/tmp/test-alien-lyiQNX/auto/Test/Alien/XS/Mod0/Mod0.so' for module Test::Alien::XS::Mod0: libdontpanic.so.0: cannot open shared object file: No such file or directory at /opt/perl/5.30.1/lib/5.30.1/x86_64-linux/DynaLoader.pm line 193.
# at /home/cip/perl5/lib/perl5/Test/Alien.pm line 414.
# Compilation failed in require at /home/cip/perl5/lib/perl5/Test/Alien.pm line 414.
# BEGIN failed--compilation aborted at /home/cip/perl5/lib/perl5/Test/Alien.pm line 414.
t/acme_alien_dontpanic2.t ....... Dubious, test returned 1 (wstat 256, 0x100)
Failed 1/6 subtests
t/acme_alien_dontpanic2__ffi.t .. ok
This error happened at test time for the Alien, but depending on your environment and Alien it might
happen later and the actual diagnostic wording might vary.
This is usually because your XS or Alien tries to use dynamic libraries instead of static ones.
Please consult the section about dynamic vs. static libraries in L<Alien::Build::Manual::AlienAuthor>.
The TL;DR is that L<Alien::Build::Plugin::Gather::IsolateDynamic> might help.
If you are the Alien author and the package you are alienizing doesn't have a static option you can
use L<Alien::Role::Dino>, but please note the extended set of caveats!
=head2 599 Internal Exception errors downloading packages from the internet
Alien::Build::Plugin::Fetch::HTTPTiny> 599 Internal Exception fetching http://dist.libuv.org/dist/v1.15.0
Alien::Build::Plugin::Fetch::HTTPTiny> exception: IO::Socket::SSL 1.42 must be installed for https support
Alien::Build::Plugin::Fetch::HTTPTiny> exception: Net::SSLeay 1.49 must be installed for https support
Alien::Build::Plugin::Fetch::HTTPTiny> An attempt at a SSL URL https was made, but your HTTP::Tiny does not appear to be able to use https.
Alien::Build::Plugin::Fetch::HTTPTiny> Please see: https://metacpan.org/pod/Alien::Build::Manual::FAQ#599-Internal-Exception-errors-downloading-packages-from-the-internet
error fetching http://dist.libuv.org/dist/v1.15.0: 599 Internal Exception at /Users/ollisg/.perlbrew/libs/perl-5.26.0@test1/lib/perl5/Alien/Build/Plugin/Fetch/HTTPTiny.pm line 68.
(Older versions of L<Alien::Build> produced a less verbose more confusing version of this diagnostic).
TL;DR, instead of this:
share {
start_url => 'http://example.org/dist';
...
};
do this:
share {
start_url => 'https://example.org/dist';
};
If the website is going to redirect to a secure URL anyway.
The "599 Internal Exception" indicates an "internal" exception from L<HTTP::Tiny> and is not a real
HTTP status code or error. This could mean a number of different problems, but most frequently
indicates that a SSL request was made without the required modules (L<Net::SSLeay> and
L<IO::Socket::SSL>). Normally the L<Alien::Build::Plugin::Download::Negotiate>
and L<Alien::Build::Plugin::Fetch::HTTPTiny> will make sure that the appropriate modules are added
to your prerequisites for you if you specify a C<https> URL. Some websites allow an initial request
from C<http> but then redirect to C<https>. If you can it is better to specify C<https>, if you
cannot, then you can instead use the C<ssl> property on either of those two plugins.
=head2 Does not detect system package even though it is installed
This could just be because the alien requires a more recent package that what is provided by your
operating system.
It could also be because you do not have the development package installed. Many Linux vendors
in particular separate packages into runtime and development pages. On RPM based systems these
development packages usually have C<-devel> suffix (example runtime: C<libffi> and development:
C<libffi-devel>). On Debian based systems these development packages usually have a C<-dev>
suffix (example runtime: C<libffi> and development: C<libffi-dev>).
=head2 Network fetch is turned off
If you get an error like this:
Alien::Build> install type share requested or detected, but network fetch is turned off
Alien::Build> see see https://metacpan.org/pod/Alien::Build::Manual::FAQ#Network-fetch-is-turned-off
This is because your environment is setup not to install aliens that require the network. You
can turn network fetch back on by setting C<ALIEN_INSTALL_NETWORK> to true, or by unsetting it.
This environment variable is designed for environments that don't ever want to install aliens that
require downloading source packages over the internet.
=head2 I would really prefer you not download stuff off the internet
The idea of L<Alien> is to download missing packages and build them automatically to make installing
easier. Some people may not like this, or may even have security requirements that they not download
random package over the internet (caveat, downloading random stuff off of CPAN may not be any safer,
so make sure you audit all of the open source software that you use appropriately). Another reason
you may not want to download from the internet is if you are packaging up an alien for an operating
system vendor, which will always want to use the system version of a library. In that situation you
don't want L<Alien::Build> to go off and download something from the internet because the probe failed
for some reason.
This is easy to take care of, simply set C<ALIEN_INSTALL_TYPE> to C<system> and a build from source
code will never be attempted. On systems that do not provide system versions of the library or tool
you will get an error, allowing you to install the library, and retry the alien install. You can
also set the environment variable on just some aliens.
% export ALIEN_INSTALL_TYPE=system # for everyone
% env ALIEN_INSTALL_TYPE=system cpanm -v Alien::libfoo
=head2 For testing I would like to test both system and share installs!
You can use the C<ALIEN_INSTALL_TYPE> environment variable. It will force either a C<share> or
C<system> install depending on how it is set. For Travis-CI you can do something like this:
env:
matrix:
- ALIEN_INSTALL_TYPE=share
- ALIEN_INSTALL_TYPE=system
=head2 How do I use Alien::Build from Dist::Zilla?
For creating L<Alien::Base> and L<Alien::Build> based dist from L<Dist::Zilla> you can use the
dzil plugin L<Dist::Zilla::Plugin::AlienBuild>.
=head2 Cannot find either a share directory or a ConfigData module
If you see an error like this:
Cannot find either a share directory or a ConfigData module for Alien::libfoo.
(Alien::libfoo loaded from lib/Alien/libfoo.pm)
Please see https://metacpan.org/pod/distribution/Alien-Build/lib/Alien/Build/Manual/FAQ.pod#Cannot-find-either-a-share-directory-or-a-ConfigData-module
Can't locate Alien/libfoo/ConfigData.pm in @INC (you may need to install the Alien::libfoo::ConfigData module) (@INC contains: ...)
it means you are trying to use an Alien that hasn't been properly installed. An L<Alien::Base>
based Alien needs to have either the share directory build during the install process or for
older legacy L<Alien::Base::ModuleBuild> based Aliens, a ConfigData module generated by
L<Module::Build>.
This usually happens if you try to use an Alien module from the lib directory as part of the
Alien's distribution. You need to build the alien and use C<blib/lib> instead of C<lib> or
install the alien and use the installed path.
It is also possible that your Alien installer is not set up correctly. Make sure your
C<Makefile.PL> is using L<Alien::Build::MM> correctly.
=head2 I have a question not listed here!
There are a number of forums available to people working on L<Alien>, L<Alien::Base> and
L<Alien::Build> modules:
=over 4
=item C<#native> on irc.perl.org
This is intended for native interfaces in general so is a good place for questions about L<Alien>
generally or L<Alien::Base> and L<Alien::Build> specifically.
=item mailing list
The C<perl5-alien> google group is intended for L<Alien> issues generally, including L<Alien::Base>
and L<Alien::Build>.
L<https://groups.google.com/forum/#!forum/perl5-alien>
=item Open a support ticket
If you have an issue with L<Alien::Build> itself, then please open a support ticket on the project's GitHub issue
tracker.
L<https://github.com/PerlAlien/Alien-Build/issues>
=back
=head1 SEE ALSO
=over 4
=item L<Alien::Build::Manual>
Other L<Alien::Build> manuals.
=back
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK Ufl\��5W W ' perl5/5.32/Alien/Build/Manual/Alien.podnu ��6�$ # PODNAME: Alien::Build::Manual::Alien
# ABSTRACT: General alien author documentation
# VERSION
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::Manual::Alien - General alien author documentation
=head1 VERSION
version 2.84
=head1 SYNOPSIS
perldoc Alien::Build::Manual::Alien
=head1 DESCRIPTION
The goal of the L<Alien> namespace is to provide non-CPAN dependencies (so called "Alien" dependencies) for
CPAN modules. The history and intent of this idea is documented in the documentation-only L<Alien> module.
The C<Alien-Build> distribution provides a framework for building aliens. The intent is to fix bugs and
enhance the interface of a number of common tools so that all aliens may benefit. The distribution is broken
up into these parts:
=over 4
=item The Alien Installer (configure / build-time)
L<Alien::Build> and L<alienfile> are used to detect and install aliens. They are further documented in
L<Alien::Build::Manual::AlienAuthor>.
=item The Alien Runtime (runtime)
L<Alien::Base> is the base class for aliens in the C<Alien-Build> system. Its use by Alien consumers
is documented in L<Alien::Build::Manual::AlienUser>.
=item The Plugin system (configure / build-time)
Because many packages are implemented using different tools, the detection, build and install logic
for a particular L<Alien> can vary a lot. As such, much of L<Alien::Build> is implemented as a
series of plugins that inherit from L<Alien::Build::Plugin>. An overview of building your own
plugins is documented in L<Alien::Build::Manual::PluginAuthor>.
=back
Additional useful documentation may be found here:
=over 4
=item FAQ
L<Alien::Build::Manual::FAQ>
=item Contributing
L<Alien::Build::Manual::Contributing>
=back
=head1 SEE ALSO
=over 4
=item L<Alien::Build::Manual>
Other L<Alien::Build> manuals.
=back
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK Ufl\=!�.�T �T . perl5/5.32/Alien/Build/Manual/PluginAuthor.podnu ��6�$ # PODNAME: Alien::Build::Manual::PluginAuthor
# ABSTRACT: Alien::Build plugin author documentation
# VERSION
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::Manual::PluginAuthor - Alien::Build plugin author documentation
=head1 VERSION
version 2.84
=head1 SYNOPSIS
your plugin:
package Alien::Build::Plugin::Build::MyPlugin;
use strict;
use warnings;
use Alien::Build::Plugin;
has arg1 => 'default_for arg1';
has arg2 => sub { [ 'default', 'for', 'arg2' ] };
sub init
{
my($self, $meta) = @_;
...
}
1;
and then from L<alienfile>:
use alienfile;
plugin 'Build::MyPlugin' => (
arg1 => 'override for arg1',
arg2 => [ 'something', 'else' ],
);
=for html <p>flowchart</p>
<div style="display: flex"><div style="margin: 3px; flex: 1 1 50%">
<img src="image/PluginAuthor-flowchart.png" style="max-width: 100%">
</div></div>
<p><b>Notes</b>: The colored blocks indicate <tt>alienfile</tt> blocks.
Hooks are indicated as predefined process (rectangle with double struck
vertical edges). Hooks that can easily be implemented from an
<tt>alienfile</tt> are indicated in blue (Note that <tt>[]</tt> is used
to indicate passing in an array reference, but a subroutine
reference can also be used). For simplicity, the the flowchart does
not include when required modules are loaded. Except for configure
time requirements, they are loaded when the corresponding <tt>alienfile</tt>
blocks are entered. It is not shown, but generally any plugin can cause
a <b>Fail</b> by throwing an exception with <tt>die</tt>.</p>
Perlish pseudo code for how plugins are called:
my $probe;
my $override = override();
if($override eq 'system') {
$probe = probe();
if($probe ne 'system') {
die 'system tool or library not found';
}
}
elsif($override eq 'default') {
$probe = probe();
} else { # $override eq 'share'
# note that in this instance the
# probe hook is never called
$probe = 'share';
}
if($probe eq 'system') {
gather_system();
} else { # $probe eq 'share'
download();
extract();
patch();
build();
gather_share();
# Check to see if there isa build_ffi hook
if(defined &build_ffi) {
patch_ffi();
build_ffi();
gather_ffi();
}
}
# By default this just returns the value of $ENV{ALIEN_INSTALL_TYPE}
sub override {
return $ENV{ALIEN_INSTALL_TYPE};
}
# Default download implementation; can be
# replaced by specifying a different download
# hook. See Alien::Build::Plugin::Core::Download
# for detailed implementation.
sub download {
my $response = fetch();
if($response->{type} eq 'html' || $response->{type} eq 'dir_listing') {
# decode will transform an HTML listing (html) or a FTP directory
# listing (dir_listing) into a regular list
$response = decode($response);
}
if($response->{type} eq 'list') {
# prefer will filter bad entries in the list
# and sort them so that the first one is
# the one that we want
$response = prefer($response);
my $first_preferred = $res->{list}->[0];
# prefer can sometimes infer the version from the
# filename.
if(defined $first_preferred->{version}) {
# not a hook
runtime_prop->{version} = $first_preferred->{version};
}
$response = fetch($first_preferred);
}
if($response->{type} eq 'file') {
# not a hook
write_file_to_disk $response;
}
}
=head1 DESCRIPTION
This document explains how to write L<Alien::Build> plugins using the
L<Alien::Build::Plugin> base class.
=head2 Writing plugins
Plugins use L<Alien::Build::Plugin>, which sets the appropriate base
class, and provides you with the C<has> property builder. C<has> takes
two arguments, the name of the property and the default value. (As
with L<Moose> and L<Moo>, you should use a code reference to specify
default values for non-string defaults). No B<not> set this as your
plugin's base class directly:
use parent qw( Alien::Build::Plugin ); # wrong
use Alien::Build::Plugin; # right
The only method that you need to implement is C<init>. From this method
you can add hooks to change the behavior of the L<alienfile> recipe.
This is a very simple example of a probe hook, with the actual probe
logic removed:
sub init
{
my($self, $meta) = @_;
$meta->register_hook(
probe => sub {
my($build) = @_;
if( ... )
{
return 'system';
}
else
{
return 'share';
}
},
);
}
Hooks get the L<Alien::Build> instance as their first argument, and depending
on the hook may get additional arguments.
=head2 Modifying hooks
You can also modify hooks using C<before_hook>, C<around_hook> and C<after_hook>,
similar to L<Moose> modifiers:
sub init
{
my($self, $meta) = @_;
$meta->before_hook(
build => sub {
my($build) = @_;
$build->log('this runs before the build');
},
);
$meta->after_hook(
build => sub {
my($build) = @_;
$build->log('this runs after the build');
},
);
$meta->around_hook(
build => sub {
my $orig = shift;
# around hooks are useful for setting environment variables
local $ENV{CPPFLAGS} = '-I/foo/include';
$orig->(@_);
},
);
}
=head2 Testing plugins
You can and should write tests for your plugin. The best way to do
this is using L<Test::Alien::Build>, which allows you to write an
inline L<alienfile> in your test. Here is an example:
use Test::V0;
use Test::Alien::Build;
my $build = alienfile_ok q{
use alienfile;
plugin 'Build::MyPlugin' => (
arg1 => 'override for arg1',
arg2 => [ 'something', 'else' ],
);
...
};
# you can interrogate $build, it is an instance of L<Alien::Build>.
my $alien = alien_build_ok;
# you can interrogate $alien, it is an instance of L<Alien::Base>.
=head2 Negotiator plugins
A Negotiator plugin doesn't itself typically implement anything on
its own, but picks the best plugin to achieve a particular goal.
The "best" plugin can in some cases vary depending on the platform
or tools that are available. For example The
L<download negotiator|Alien::Build::Plugin::Download::Negotiate>
might choose to use the fetch plugin that relies on the command line
C<curl>, or it might choose the fetch plugin that relies on the Perl
module L<HTTP::Tiny> depending on the platform and what is already
installed. (For either to be useful they have to support SSL).
The Negotiator plugin is by convention named something like
C<Alien::Build::Plugin::*::Negotiate>, but is typically invoked
without the C<::Negotiate> suffix. For example:
plugin 'Download'; # is short for Alien::Build::Plugin::Download::Negotiator
Here is a simple example of a negotiator which picks C<curl> if already
installed and L<HTTP::Tiny> otherwise. (The actual download plugin
is a lot smarter and complicated than this, but this is a good
simplified example).
package Alien::Build::Plugin::Download::Negotiate;
use strict;
use warnings;
use Alien::Build::Plugin;
use File::Which qw( which );
sub init
{
my($self, $meta) = @_;
if(which('curl')) {
$meta->apply_plugin('Fetch::Curl');
} else {
$meta->apply_plugin('Fetch::HTTPTiny');
}
}
=head2 Hooks
The remainder of this document is a reference for the hooks that you
can register. Generally speaking you can register any hook that you
like, but some care must be taken as some hooks have default behavior
that will be overridden when you register a hook. The hooks are
presented in alphabetical order. The execution order is shown
in the flowchart above (if you are browsing the HTML version of this
document), or the Perlish pseudo code in the synopsis section.
=head1 HOOKS
=head2 build hook
$meta->register_hook( build => sub {
my($build) = @_;
...
});
This does the main build of the alienized project and installs it into
the staging area. The current directory is the build root. You need
to run whatever tools are necessary for the project, and install them
into C<$build->install_prop->{prefix}> (C<%{.install.prefix}>).
=head2 build_ffi hook
$meta->register_hook( build_ffi => sub {
my($build) = @_;
...
});
This is the same as L<build|/"build hook">, except it fires only on a FFI build.
=head2 decode hook
$meta->register_hook( decode => sub {
my($build, $res) = @_;
...
}
This hook takes a response hash reference from the C<fetch> hook above
with a type of C<html> or C<dir_listing> and converts it into a response
hash reference of type C<list>. In short it takes an HTML or FTP file
listing response from a fetch hook and converts it into a list of filenames
and links that can be used by the prefer hook to choose the correct file to
download. See the L<fetch hook|/"fetch hook"> for the specification of the
input and response hash references.
=head2 check_digest hook
# implement the well known FOO-92 digest
$meta->register_hook( check_digest => sub {
my($build, $file, $algorithm, $digest) = @_;
if($algorithm ne 'FOO92') {
return 0;
}
my $actual = foo92_hex_digest($file);
if($actual eq $digest) {
return 1;
} else {
die "Digest FOO92 does not match: got $actual, expected $digest";
}
});
This hook should check the given C<$file> (the format is the same as used by
L<the fetch hook|/"fetch hook">) matches the given C<$digest> using the
given C<$algorithm>. If the plugin does not support the given algorithm,
then it should return a false value. If the digest does not match, it
should throw an exception. If the digest matches, it should return a
true value.
=head2 clean_install
$meta->register_hook( clean_install => sub {
my($build) = @_;
});
This hook allows you to remove files from the final install location before
the files are installed by the installer layer (examples: L<Alien::Build::MM>,
L<Alien::Build::MB> or L<App::af>). This hook is not called by default,
and must be enabled via the interface to the installer layer
(example: L<Alien::Build::MM/clean_install>).
This hook SHOULD NOT remove the C<_alien> directory or its content from the
install location.
The default implementation removes all the files EXCEPT the C<_alien> directory
and its content.
=head2 download hook
$meta->register_hook( download => sub {
my($build) = @_;
...
});
This hook is used to download from the internet the source. Either as
an archive (like tar, zip, etc), or as a directory of files (C<git clone>,
etc). When the hook is called, the current working directory will be a
new empty directory, so you can save the download to the current
directory. If you store a single file in the directory, L<Alien::Build>
will assume that it is an archive, which will be processed by the
L<extract hook|/"extract hook">. If you store multiple files, L<Alien::Build> will
assume the current directory is the source root. If no files are stored
at all, an exception with an appropriate diagnostic will be thrown.
B<Note>: If you register this hook, then the fetch, decode and prefer
hooks will NOT be called, unless you call them yourself from this hook.
=head2 extract hook
$meta->register_hook( extract => sub {
my($build, $archive) = @_;
...
});
This hook is used to extract an archive that has already been downloaded.
L<Alien::Build> already has plugins for the most common archive formats,
so you will likely only need this to add support for new or novel archive
formats. When this hook is called, the current working directory will
be a new empty directory, so you can save the content of the archive to
the current directory. If a single directory is written to the current
directory, L<Alien::Build> will assume that is the root directory of the
package. If multiple files and/or directories are present, that will
indicate that the current working directory is the root of the package.
The logic typically handles correctly the default behavior for tar
(where packages are typically extracted to a subdirectory) and for
zip (where packages are typically extracted to the current directory).
=head2 fetch hook
package Alien::Build::Plugin::MyPlugin;
use strict;
use warnings;
use Alien::Build::Plugin;
use Carp ();
has '+url' => sub { Carp::croak "url is required property" };
sub init
{
my($self, $meta) = @_;
$meta->register_hook( fetch => sub {
my($build, $url, %options) = @_;
...
}
}
1;
Used to fetch a resource. The first time it will be called without an
argument (or with C<$url> set to C<undef>, so the configuration used to
find the resource should be specified by the plugin's properties. On
subsequent calls the first argument will be a URL.
The C<%options> hash may contain these options:
=over 4
=item http_headers
HTTP request headers, if an appropriate protocol is being used. The
headers are provided as an array reference of key/value pairs, which
allows for duplicate header keys with multiple values.
If a non-HTTP protocol is used, or if the plugin cannot otherwise
send HTTP request headers, the plugin SHOULD issue a warning using
the C<< $build->log >> method, but because this option wasn't part
of the original spec, the plugin MAY no issue that warning while
ignoring it.
=back
Note that versions of L<Alien::Build> prior to 2.39 did not pass the
options hash into the fetch plugin.
Normally the first fetch will be to either a file or a directory listing.
If it is a file then the content should be returned as a hash reference
with the following keys:
# content of file stored in Perl
return {
type => 'file',
filename => $filename,
content => $content,
version => $version, # optional, if known
protocol => $protocol, # AB 2.60 optional, but recommended
};
# content of file stored in the filesystem
return {
type => 'file',
filename => $filename,
path => $path, # full file system path to file
version => $version, # optional, if known
tmp => $tmp, # optional
protocol => $protocol, # AB 2.60 optional, but recommended
};
C<$tmp> if set will indicate if the file is temporary or not, and can
be used by L<Alien::Build> to save a copy in some cases. The default
is true, so L<Alien::Build> assumes the file or directory is temporary
if you don't tell it otherwise. Probably the most common situation
when you would set C<tmp> to false, is when the file is bundled inside
the L<Alien> distribution. See L<Alien::Build::Plugin::Fetch::Local>
for example.
If the URL points to a directory listing you should return it as either
a hash reference containing a list of files:
return {
type => 'list',
list => [
# filename: each filename should be just the
# filename portion, no path or url.
# url: each url should be the complete url
# needed to fetch the file.
# version: OPTIONAL, may be provided by some fetch or prefer
{ filename => $filename1, url => $url1, version => $version1 },
{ filename => $filename2, url => $url2, version => $version2 },
],
protocol => $protocol, # AB 2.60 optional, but recommended
};
or if the listing is in HTML format as a hash reference containing the
HTML information:
return {
type => 'html',
charset => $charset, # optional
base => $base, # the base URL: used for computing relative URLs
content => $content, # the HTML content
protocol => $protocol, # optional, but recommended
};
or a directory listing (usually produced by an FTP servers) as a hash
reference:
return {
type => 'dir_listing',
base => $base,
content => $content,
protocol => $protocol, # AB 2.60 optional, but recommended
};
[version 2.60]
For all of these responses C<$protocol> is optional, since it was not part
of the original spec, however it is strongly recommended that you include
this field, because future versions of L<Alien::Build> will use this to
determine if a file was downloaded securely (that is via a secure protocol
such as SSL).
Some plugins (like L<decode plugins |Alien::Build::Plugin::Decode>) trans
late a file hash from one type to another, they should maintain the
C<$protocol> from the old to the new representation of the file.
=head2 gather_ffi hook
$meta->register_hook( gather_ffi => sub {
my($build) = @_;
$build->runtime_prop->{cflags} = ...;
$build->runtime_prop->{libs} = ...;
$build->runtime_prop->{version} = ...;
});
This hook is called for a FFI build to determine the properties
necessary for using the library or tool. These properties should be
stored in the L<runtime_prop|Alien::Build/runtime_prop> hash as shown above.
Typical properties that are needed for libraries are cflags and libs.
If at all possible you should also try to determine the version of the
library or tool.
=head2 gather_share hook
$meta->register_hook( gather_share => sub {
my($build) = @_;
$build->runtime_prop->{cflags} = ...;
$build->runtime_prop->{libs} = ...;
$build->runtime_prop->{version} = ...;
});
This hook is called for a share install to determine the properties
necessary for using the library or tool. These properties should be
stored in the L<runtime_prop|Alien::Build/runtime_prop> hash as shown above.
Typical properties that are needed for libraries are cflags and libs.
If at all possible you should also try to determine the version of the
library or tool.
=head2 gather_system hook
$meta->register_hook( gather_system => sub {
my($build) = @_;
$build->runtime_prop->{cflags} = ...;
$build->runtime_prop->{libs} = ...;
$build->runtime_prop->{version} = ...;
});
This hook is called for a system install to determine the properties
necessary for using the library or tool. These properties should be
stored in the L<runtime_prop|Alien::Build/runtime_prop> hash as shown above.
Typical properties that are needed for libraries are cflags and libs.
If at all possible you should also try to determine the version of the
library or tool.
=head2 override hook
$meta->register_hook( override => sub {
my($build) = @_;
return $ENV{ALIEN_INSTALL_TYPE} || '';
});
This allows you to alter the override logic. It should return one of
C<share>, C<system>, C<default> or C<''>. The default implementation
is shown above. L<Alien::Build::Plugin::Probe::Override> and
L<Alien::Build::Plugin::Probe::OverrideCI> are examples of how you
can use this hook.
=head2 patch hook
$meta->register_hook( patch => sub {
my($build) = @_;
...
});
This hook is completely optional. If registered, it will be triggered after
extraction and before build. It allows you to apply any patches or make any
modifications to the source if they are necessary.
=head2 patch_ffi hook
$meta->register_hook( patch_ffi => sub {
my($build) = @_;
...
});
This hook is exactly like the L<patch hook|/"patch hook">, except it fires only on an
FFI build.
=head2 prefer hook
$meta->register_hook( prefer => sub {
my($build, $res) = @_;
return {
type => 'list',
list => [sort @{ $res->{list} }],
};
}
This hook sorts candidates from a listing generated from either the C<fetch>
or C<decode> hooks. It should return a new list hash reference with the
candidates sorted from best to worst. It may also remove candidates
that are totally unacceptable.
=head2 probe hook
$meta->register_hook( probe => sub {
my($build) = @_;
return 'system' if ...; # system install
return 'share'; # otherwise
});
$meta->register_hook( probe => [ $command ] );
This hook should return the string C<system> if the operating
system provides the library or tool. It should return C<share>
otherwise.
You can also use a command that returns true when the tool
or library is available. For example for use with C<pkg-config>:
$meta->register_hook( probe =>
[ '%{pkgconf} --exists libfoo' ] );
Or if you needed a minimum version:
$meta->register_hook( probe =>
[ '%{pkgconf} --atleast-version=1.00 libfoo' ] );
Note that this hook SHOULD NOT gather system properties, such as
cflags, libs, versions, etc, because the probe hook will be skipped
in the event the environment variable C<ALIEN_INSTALL_TYPE> is set.
The detection of these properties should instead be done by the
L<gather_system|/"gather_system hook"> hook.
Multiple probe hooks can be given. These will be used in sequence,
stopping at the first that detects a system installation.
=head1 SEE ALSO
=over 4
=item L<Alien::Build::Manual>
Other L<Alien::Build> manuals.
=back
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK Ufl\�� � � + perl5/5.32/Alien/Build/Manual/AlienUser.podnu ��6�$ # PODNAME: Alien::Build::Manual::AlienUser
# ABSTRACT: Alien user documentation
# VERSION
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::Manual::AlienUser - Alien user documentation
=head1 VERSION
version 2.84
=head1 SYNOPSIS
perldoc Alien::Build::Manual::AlienUser
=head1 DESCRIPTION
This document is intended for a user of an L<Alien::Base> based L<Alien>
module's user. Although specifically geared for L<Alien::Base>
subclasses, it may have some useful hints for L<Alien> in general.
Full working examples of how to use an L<Alien> module are also bundled
with L<Alien::Build> in the distribution's C<example/user> directory.
Those examples use L<Alien::xz>, which uses L<alienfile> + L<Alien::Build>
+ L<Alien::Base>.
The following documentation will assume you are trying to use an L<Alien>
called C<Alien::Foo> which provides the library C<libfoo> and the command
line tool C<foo>. Many L<Alien>s will only provide one or the other.
The best interface to use for using L<Alien::Base> based aliens is
L<Alien::Base::Wrapper>. This allows you to combine multiple aliens together
and handles a number of corner obscure corner cases that using L<Alien>s
directly does not. Also as of 0.64, L<Alien::Base::Wrapper> comes bundled
with L<Alien::Build> and L<Alien::Base> anyway, so it is not an extra
dependency.
What follows are the main use cases.
=head2 ExtUtils::MakeMaker
use ExtUtils::MakeMaker;
use Alien::Base::Wrapper ();
WriteMakefile(
Alien::Base::Wrapper->new('Alien::Foo')->mm_args2(
NAME => 'FOO::XS',
...
),
);
L<Alien::Base::Wrapper> will take a hash of C<WriteMakefile> arguments
and insert the appropriate compiler and linker flags for you. This
is recommended over doing this yourself as the exact incantation to
get EUMM to work is tricky to get right.
The C<mm_args2> method will also set your C<CONFIGURE_REQUIRES> for
L<Alien::Base::Wrapper>, L<ExtUtils::MakeMaker> and any aliens that
you specify.
=head2 Module::Build
use Module::Build;
use Alien::Base::Wrapper qw( Alien::Foo !export );
use Alien::Foo;
my $build = Module::Build->new(
...
configure_requires => {
'Alien::Base::Wrapper' => '0',
'Alien::Foo' => '0',
...
},
Alien::Base::Wrapper->mb_args,
...
);
$build->create_build_script;
For L<Module::Build> you can also use L<Alien::Base::Wrapper>, but
you will have to specify the C<configure_requires> yourself.
=head2 Inline::C / Inline::CPP
use Inline 0.56 with => 'Alien::Foo';
L<Inline::C> and L<Inline::CPP> can be configured
to use an L<Alien::Base> based L<Alien> with the C<with> keyword.
=head2 ExtUtils::Depends
use ExtUtils::MakeMaker;
use ExtUtils::Depends;
my $pkg = ExtUtils::Depends->new("Alien::Foo");
WriteMakefile(
...
$pkg->get_makefile_vars,
...
);
L<ExtUtils::Depends> works similar to L<Alien::Base::Wrapper>, but uses
the L<Inline> interface under the covers.
=head2 Dist::Zilla
[@Filter]
-bundle = @Basic
-remove = MakeMaker
[Prereqs / ConfigureRequires]
Alien::Foo = 0
[MakeMaker::Awesome]
header = use Alien::Base::Wrapper qw( Alien::Foo !export );
WriteMakefile_arg = Alien::Base::Wrapper->mm_args
=head2 FFI::Platypus
Requires C<Alien::Foo> always:
use FFI::Platypus;
use Alien::Foo;
my $ffi = FFI::Platypus->new(
lib => [ Alien::Foo->dynamic_libs ],
);
Use C<Alien::Foo> in fallback mode:
use FFI::Platypus;
use FFI::CheckLib 0.28 qw( find_lib_or_die );
use Alien::Foo;
my $ffi = FFI::Platypus->new(
lib => [ find_lib_or_die lib => 'foo', alien => ['Alien::Foo'] ],
);
If you are going to always require an L<Alien> you can just call C<dynamic_libs>
and pass it into L<FFI::Platypus>' lib method. You should consider
using L<FFI::CheckLib> to use the L<Alien> in fallback mode instead.
This way you only need to install the L<Alien> if the system doesn't
provide it.
For fallback mode to work correctly you need to be using L<FFI::CheckLib>
0.28 or better.
=head2 Inline::C
use Inline with => 'Alien::Foo';
use Inline C => <<~'END';
#include <foo.h>
const char *my_foo_wrapper()
{
foo();
}
END
sub exported_foo()
{
my_foo_wrapper();
}
=head2 tool
use Alien::Foo;
use Env qw( @PATH );
unshift @PATH, Alien::Foo->bin_dir;
system 'foo', '--bar', '--baz';
Some L<Alien>s provide tools instead of or in addition to a library.
You need to add them to the C<PATH> environment variable though.
(Unless the tool is already provided by the system, in which case
it is already in the path and the C<bin_dir> method will return an
empty list).
=head1 ENVIRONMENT
=over 4
=item ALIEN_INSTALL_TYPE
Although the recommended way for a consumer to use an L<Alien::Base> based L<Alien>
is to declare it as a static configure and build-time dependency, some consumers
may prefer to fallback on using an L<Alien> only when the consumer itself cannot
detect the necessary package. In some cases the consumer may want the user to opt-in
to using an L<Alien> before requiring it.
To keep the interface consistent among Aliens, the consumer of the fallback opt-in
L<Alien> may fallback on the L<Alien> if the environment variable C<ALIEN_INSTALL_TYPE>
is set to any value. The rationale is that by setting this environment variable the
user is aware that L<Alien> modules may be installed and have indicated consent.
The actual implementation of this, by its nature would have to be in the consuming
CPAN module.
This behavior should be documented in the consumer's POD.
See L<Alien::Build/ENVIRONMENT> for more details on the usage of this environment
variable.
=back
=head1 SEE ALSO
=over 4
=item L<Alien::Build::Manual>
Other L<Alien::Build> manuals.
=back
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK Ufl\3�[c�# �# . perl5/5.32/Alien/Build/Manual/Contributing.podnu ��6�$ # PODNAME: Alien::Build::Manual::Contributing
# ABSTRACT: Over-detailed contributing guide
# VERSION
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::Manual::Contributing - Over-detailed contributing guide
=head1 VERSION
version 2.84
=head1 SYNOPSIS
perldoc Alien::Build::Manual::Contributing
=head1 DESCRIPTION
Thank you for considering to contribute to my open source project! If
you have a small patch please consider just submitting it. Doing so
through the project GitHub is probably the best way:
L<https://github.com/plicease/Alien-Build/issues>
If you have a more invasive enhancement or bugfix to contribute, please
take the time to review these guidelines. In general it is good idea to
work closely with the L<Alien::Build> developers, and the best way to
contact them is on the C<#native> IRC channel on irc.perl.org.
=head2 History
Joel Berger wrote the original L<Alien::Base>. This distribution
included the runtime code L<Alien::Base> and an installer class
L<Alien::Base::ModuleBuild>. The significant thing about L<Alien::Base>
was that it provided tools to make it relatively easy for people to roll
their own L<Alien> distributions. Over time, the PerlAlien (github
organization) or "Alien::Base team" has taken over development of
L<Alien::Base> with myself (Graham Ollis) being responsible for
integration and releases. Joel Berger is still involved in the project.
Since the original development of L<Alien::Base>, L<Module::Build>, on
which L<Alien::Base::ModuleBuild> is based, has been removed from the
core of Perl. It seemed worthwhile to write a replacement installer
that works with L<ExtUtils::MakeMaker> which IS still bundled with the
Perl core. Because this is a significant undertaking it is my intention
to integrate the many lessons learned by Joel Berger, myself and the
"Alien::Base team" as possible. If the interface seems good then it is
because I've stolen the ideas from some pretty good places.
=head2 Philosophy
=head3 Alien runtime should be as config-only as possible.
Ideally the code for an L<Alien::Base> based L<Alien> should simply
inherit from L<Alien::Base>, like so:
package Alien::libfoo;
use parent qw( Alien::Base );
1;
The detection logic should be done by the installer code (L<alienfile>
and L<Alien::Build>) and saved into runtime properties (see
L<Alien::Build/runtime_prop>). And as much as
possible the runtime should be implemented in the base class (L<Alien::Base>).
Where reasonable, the base class should be expanded to meet the needs
of this arrangement.
=head3 when downloading a package grab the latest version
If the maintainer of an L<Alien> disappears for a while, and if the
version downloaded during a "share" install is hardcoded in the
L<alienfile>, it can be problematic for end-users.
There are exceptions, of course, in particular when a package provides
a very unstable interface from version to version it makes sense
to hard code the version and for the Alien developer and Alien consumer
developer to coordinate closely.
=head3 when installing a package the operating system as a whole should not be affected
The convenience of using an L<Alien> is that a user of a CPAN module
that consumes an L<Alien> doesn't need to know the exact incantation
to install the libraries on which it depends (or indeed it may not be
easily installed through the package manager anyway).
As a corollary, a user of a CPAN module that consumes an L<Alien>
module shouldn't expect operating system level packages to be
installed, or for these packages to be installed in common system
level directories, like C</usr/local> or C</opt>. Instead a "share"
directory associated with the Perl install and L<Alien> module
should be used.
Plugins that require user opt-in could be written to prompt a user
to automatically install operating system packages, but this should
never be done by default or without consent by the user.
=head3 avoid dependencies
One of the challenges with L<Alien> development is that you are by the
nature of the problem, trying to make everyone happy. Developers
working out of CPAN just want stuff to work, and some build environments
can be hostile in terms of tool availability, so for reliability you end
up pulling a lot of dependencies. On the other hand, operating system
vendors who are building Perl modules usually want to use the system
version of a library so that they do not have to patch libraries in
multiple places. Such vendors have to package any extra dependencies
and having to do so for packages that the don't even use makes them
understandably unhappy.
As general policy the L<Alien::Build> core should have as few
dependencies as possible, and should only pull extra dependencies if
they are needed. Where dependencies cannot be avoidable, popular and
reliable CPAN modules, which are already available as packages in the
major Linux vendors (Debian, Red Hat) should be preferred.
As such L<Alien::Build> is hyper aggressive at using dynamic
prerequisites.
=head3 interface agnostic
One of the challenges with L<Alien::Base::ModuleBuild> was that
L<Module::Build> was pulled from the core. In addition, there is a
degree of hostility toward L<Module::Build> in some corners of the Perl
community. I agree with Joel Berger's rationale for choosing
L<Module::Build> at the time, as I believe its interface more easily
lends itself to building L<Alien> distributions.
That said, an important feature of L<Alien::Build> is that it is
installer agnostic. Although it is initially designed to work with
L<ExtUtils::MakeMaker>, it has been designed from the ground up to work
with any installer (Perl, or otherwise).
As an extension of this, although L<Alien::Build> may have external CPAN
dependencies, they should not be exposed to developers USING
L<Alien::Build>. As an example, L<Path::Tiny> is used heavily
internally because it does what L<File::Spec> does, plus the things that
it doesn't, and uses forward slashes on Windows (backslashes are the
"correct separator on windows, but actually using them tends to break
everything). However, there aren't any interfaces in L<Alien::Build>
that will return a L<Path::Tiny> object (or if there are, then this is a
bug).
This means that if we ever need to port L<Alien::Build> to a platform
that doesn't support L<Path::Tiny> (such as VMS), then it may require
some work to L<Alien::Build> itself, modules that USE L<Alien::Build>
shouldn't need to be modified.
=head3 plugable
The actual logic that probes the system, downloads source and builds it
should be as pluggable as possible. One of the challenges with
L<Alien::Base::ModuleBuild> was that it was designed to work well with
software that works with C<autoconf> and C<pkg-config>. While you can
build with other tools, you have to know a bit of how the installer
logic works, and which hooks need to be tweaked.
L<Alien::Build> has plugins for C<autoconf>, C<pkgconf> (successor of
C<pkg-config>), vanilla Makefiles, and CMake. If your build system
doesn't have a plugin, then all you have to do is write one! Plugins
that prove their worth may be merged into the L<Alien::Build> core.
Plugins that after a while feel like maybe not such a good idea may be
removed from the core, or even from CPAN itself.
In addition, L<Alien::Build> has a special type of plugin, called a
negotiator which picks the best plugin for the particular environment
that it is running in. This way, as development of the negotiator and
plugins develop over time modules that use L<Alien::Build> will benefit,
without having to change the way they interface with L<Alien::Build>
=head1 ACKNOWLEDGEMENT
I would like to that Joel Berger for getting things running in the first
place. Also important to thank other members of the "Alien::Base team":
Zaki Mughal (SIVOAIS)
Ed J (ETJ, mohawk)
Also kind thanks to all of the developers who have contributed to
L<Alien::Base> over the years:
L<https://metacpan.org/pod/Alien::Base#CONTRIBUTORS>
=head1 SEE ALSO
=over 4
=item L<Alien::Build::Manual>
Other L<Alien::Build> manuals.
=back
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK Ufl\1yjb jb - perl5/5.32/Alien/Build/Manual/AlienAuthor.podnu ��6�$ # PODNAME: Alien::Build::Manual::AlienAuthor
# ABSTRACT: Alien author documentation
# VERSION
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::Manual::AlienAuthor - Alien author documentation
=head1 VERSION
version 2.84
=head1 SYNOPSIS
perldoc Alien::Build::Manual::AlienAuthor
=head1 DESCRIPTION
B<Note>: Please read the entire document before you get started in
writing your own L<alienfile>. The section on dynamic vs. static
libraries will likely save you a lot of grief if you read it now!
This document is intended to teach L<Alien> authors how to build their
own L<Alien> distribution using L<Alien::Build> and L<Alien::Base>.
Such an L<Alien> distribution consists of three essential parts:
=over 4
=item An L<alienfile>
This is a recipe for how to 1) detect an already installed version of
the library or tool you are alienizing 2) download and build the library
or tool that you are alienizing and 3) gather the configuration settings
necessary for the use of that library or tool.
=item An installer C<Makefile.PL> or C<Build.PL> or a C<dist.ini> if you are using L<Dist::Zilla>
This is a thin layer between your L<alienfile> recipe, and the Perl
installer (either L<ExtUtils::MakeMaker> or L<Module::Build>.
=item A Perl class (.pm file) that inherits from L<Alien::Base>
For most L<Alien>s this does not need to be customized at all, since
L<Alien::Base> usually does what you need.
=back
For example if you were alienizing a library called libfoo, you might
have these files:
Alien-Libfoo-1.00/Makefile.PL
Alien-Libfoo-1.00/alienfile
Alien-Libfoo-1.00/lib/Alien/Libfoo.pm
This document will focus mainly on instructing you how to construct an
L<alienfile>, but we will also briefly cover making a simple
C<Makefile.PL> or C<dist.ini> to go along with it. We will also touch
on when you might want to extend your subclass to add non-standard
functionality.
=head2 Using commands
Most software libraries and tools will come with instructions for how to
install them in the form of commands that you are intended to type into
a shell manually. The easiest way to automate those instructions is to
just put the commands in your L<alienfile>. For example, lets suppose
that libfoo is built using autoconf and provides a C<pkg-config> C<.pc>
file.
We will also later discuss plugins. For common build systems like
autoconf or CMake, it is usually better to use the appropriate plugin
because they will handle corner cases better than a simple set of
commands. We're going to take a look at commands first because it's
easier to understand the different phases with commands.
(Aside, autoconf is a series of tools and macros used to configure
(usually) a C or C++ library or tool by generating any number of
Makefiles. It is the C equivalent to L<ExtUtils::MakeMaker>, if you
will. Basically, if your library or tool instructions start with
'./configure' it is most likely an autoconf based library or tool).
(Aside2, C<pkg-config> is a standard-ish way to provide the compiler and
linker flags needed for compiling and linking against the library. If
your tool installs a C<.pc> file, usually in C<$PREFIX/lib/pkgconfig>
then, your tool uses C<pkg-config>).
Here is the L<alienfile> that you might have:
use alienfile;
probe [ 'pkg-config --exists libfoo' ];
share {
start_url 'http://www.libfoo.org/src/libfoo-1.00.tar.gz';
download [ 'wget %{.meta.start_url}' ];
extract [ 'tar zxf %{.install.download}' ];
build [
[ './configure --prefix=%{.install.prefix} --disable-shared' ],
[ '%{make}' ],
[ '%{make} install' ],
];
};
gather [
[ 'pkg-config --modversion libfoo', \'%{.runtime.version}' ],
[ 'pkg-config --cflags libfoo', \'%{.runtime.cflags}' ],
[ 'pkg-config --libs libfoo', \'%{.runtime.libs}' ],
];
There is a lot going on here, so lets decode it a little bit. An
L<alienfile> is just some Perl with some alien specific sugar. The
first line
use alienfile;
imports the sugar into the L<alienfile>. It also is a flag for the
reader to see that this is an L<alienfile> and not some other kind of
Perl script.
The second line is the probe directive:
probe [ 'pkg-config --exists libfoo' ];
is used to see if the library is already installed on the target system.
If C<pkg-config> is in the path, and if libfoo is installed, this should
exit with a success (0) and tell L<Alien::Build> to use the system
library. If either C<pkg-config> in the PATH, or if libfoo is not
installed, then it will exist with non-success (!= 0) and tells
L<Alien::Build> to download and build from source.
You can provide as many probe directives as you want. This is useful if
there are different ways to probe for the system. L<Alien::Build> will
stop on the first successfully found system library found. Say our
library libfoo comes with a C<.pc> file for use with C<pkg-config> and
also provides a C<foo-config> program to find the same values. You
could then specify this in your L<alienfile>
probe [ 'pkg-config --exists libfoo' ];
probe [ 'foo-config --version' ];
Other directives can be specified multiple times if there are different
methods that can be tried for the various steps.
Sometimes it is easier to probe for a library from Perl rather than with
a command. For that you can use a code reference. For example, another
way to call C<pkg-config> would be from Perl:
probe sub {
my($build) = @_; # $build is the Alien::Build instance.
system 'pkg-config --exists libfoo';
$? == 0 ? 'system' : 'share';
};
The Perl code should return 'system' if the library is installed, and
'share' if not. (Other directives should return a true value on
success, and a false value on failure). You can also throw an exception with
C<die> to indicate a failure.
The next part of the L<alienfile> is the C<share> block, which is used
to group the directives which are used to download and install the
library or tool in the event that it is not already installed.
share {
start_url 'http://www.libfoo.org/src/libfoo-1.00.tar.gz';
download [ 'wget %{.meta.start_url}' ];
extract [ 'tar zxf %{.install.download}' ];
build [
[ './configure --prefix=%{.install.prefix} --disable-shared' ],
[ '%{make}' ],
[ '%{make} install' ],
];
};
The start_url specifies where to find the package that you are alienizing.
It should be either a tarball (or zip file, or what have you) or an
HTML index. The download directive as you might imagine specifies how
to download the library or tool. The extract directive specifies how
to extract the archive once it is downloaded. In the extract step, you
can use the variable C<%{.install.download}> as a placeholder for the archive
that was downloaded in the download step. This is also accessible if
you use a code reference from the L<Alien::Build> instance:
share {
...
requires 'Archive::Extract';
extract sub {
my($build) = @_;
my $tarball = $build->install_prop->{download};
my $ae = Archive::Extract->new( archive => $tarball );
$ae->extract;
1;
}
...
};
The build directive specifies how to build the library or tool once it
has been downloaded and extracted. Note the special variable
C<%{.install.prefix}> is the location where the library should be
installed. C<%{make}> is a helper which will be replaced by the
appropriate C<make>, which may be called something different on some
platforms (on Windows for example, it frequently may be called C<nmake>
or C<dmake>).
The final part of the L<alienfile> has a gather directive which
specifies how to get the details on how to compile and link against the
library. For this, once again we use the C<pkg-config> command:
gather [
[ 'pkg-config --modversion libfoo', \'%{.runtime.version}' ],
[ 'pkg-config --cflags libfoo', \'%{.runtime.cflags}' ],
[ 'pkg-config --libs libfoo', \'%{.runtime.libs}' ],
];
The scalar reference as the final item in the command list tells
L<Alien::Build> that the output from the command should be stored in the
given variable. The runtime variables are the ones that will be
available to C<Alien::Libfoo> once it is installed. (Install
properties, which are the ones that we have seen up till now are thrown
away once the L<Alien> distribution is installed.
You can also provide a C<sys> block for directives that should be used
when a system install is detected. Normally you only need to do this if
the gather step is different between share and system installs. For
example, the above is equivalent to:
build {
...
gather [
[ 'pkg-config --modversion libfoo', \'%{.runtime.version}' ],
[ 'pkg-config --cflags libfoo', \'%{.runtime.cflags}' ],
[ 'pkg-config --libs libfoo', \'%{.runtime.libs}' ],
];
};
sys {
gather [
[ 'pkg-config --modversion libfoo', \'%{.runtime.version}' ],
[ 'pkg-config --cflags libfoo', \'%{.runtime.cflags}' ],
[ 'pkg-config --libs libfoo', \'%{.runtime.libs}' ],
];
};
(Aside3, the reason it is called C<sys> and not C<system> is so that it
does not conflict with the built in C<system> function)!
=head2 Using plugins
The first example is a good way of showing the full manual path that you
can choose, but there is a lot of repetition, if you are doing many
L<Alien>s that use autoconf and C<pkg-config> (which are quite common.
L<alienfile> allows you to use plugins. See L<Alien::Build::Plugin> for
a list of some of the plugin categories.
For now, I will just show you how to write the L<alienfile> for libfoo
above using L<Alien::Build::Plugin::Build::Autoconf>,
L<Alien::Build::Plugin::PkgConfig::Negotiate>,
L<Alien::Build::Plugin::Download::Negotiate>, and
L<Alien::Build::Plugin::Extract::Negotiate>
use alienfile;
plugin 'PkgConfig' => (
pkg_name => 'libfoo',
);
share {
start_url 'http://www.libfoo.org/src';
plugin 'Download' => (
filter => qr/^libfoo-[0-9\.]+\.tar\.gz$/,
version => qr/^libfoo-([0-9\.]+)\.tar\.gz$/,
);
plugin 'Extract' => 'tar.gz';
plugin 'Build::Autoconf';
build [
'%{configure} --disable-shared',
'%{make}',
'%{make} install',
];
};
The first plugin that we use is the C<pkg-config> negotiation plugin. A
negotiation plugin is one which doesn't do the actual work but selects
the best one from a set of plugins depending on your platform and
environment. (In the case of
L<Alien::Build::Plugin::PkgConfig::Negotiate>, it may choose to use
command line tools, a pure Perl implementation (L<PkgConfig>), or
libpkgconf, depending on what is available). When using negotiation
plugins you may omit the C<::Negotiate> suffix. So as you can see using
the plugin here is an advantage because it is more reliable than just
specifying a command which may not be installed!
Next we use the download negotiation plugin. This is also better than
the version above, because again, C<wget> my not be installed on the
target system. Also you can specify a URL which will be scanned for
links, and use the most recent version.
We use the Extract negotiation plugin to use either command line tools,
or Perl libraries to extract from the archive once it is downloaded.
Finally we use the Autoconf plugin
(L<Alien::Build::Plugin::Build::Autoconf>). This is a lot more
sophisticated and reliable than in the previous example, for a number of
reasons. This version will even work on Windows assuming the library or
tool you are alienizing supports that platform!
Strictly speaking the build directive is not necessary, because the
autoconf plugin provides a default which is reasonable. The only reason
that you would want to include it is if you need to provide additional
flags to the configure step.
share {
...
build [
'%{configure} --enable-bar --enable-baz --disable-shared',
'%{make}',
'%{make} install',
];
};
=head2 Multiple .pc files
Some packages come with multiple libraries paired with multiple C<.pc>
files. In this case you want to provide the
L<Alien::Build::Plugin::PkgConfig::Negotiate> with an array reference
of package names.
plugin 'PkgConfig' => (
pkg_name => [ 'foo', 'bar', 'baz' ],
);
All packages must be found in order for the C<system> install to succeed.
Once installed the first C<pkg_name> will be used by default (in this
example C<foo>), and you can retrieve any other C<pkg_name> using
the L<Alien::Base alt method|Alien::Base/alt>.
=head2 A note about dynamic vs. static libraries
If you are using your L<Alien> to build an XS module, it is important
that you use static libraries if possible. If you have a package that
refuses to build a static library, then you can use L<Alien::Role::Dino>.
Actually let me back up a minute. For a C<share> install it is best
to use static libraries to build your XS extension. This is because
if your L<Alien> is ever upgraded to a new version it can break your
existing XS modules. For a C<system> install shared libraries are
usually best because you can often get security patches without having
to re-build anything in perl land.
If you looked closely at the "Using commands" and "Using plugins"
sections above, you may notice that we went out of our way where
possible to tell Autotools to build only static libraries using the
C<--disable-shared> command. The Autoconf plugin also does this by
default.
Sometimes though you will have a package that builds both, or maybe
you I<want> both static and dynamic libraries to work with XS and FFI.
For that case, there is the L<Alien::Build::Plugin::Gather::IsolateDynamic>
plugin.
use alienfile;
...
plugin 'Gather::IsolateDynamic';
What it does, is that it moves the dynamic libraries (usually .so on
Unix and .DLL on Windows) to a place where they can be found by FFI,
and where they won't be used by the compiler for building XS. It usually
doesn't do any harm to include this plugin, so if you are just starting
out you might want to add it anyway. Arguably it should have been the
default behavior from the beginning.
If you have already published an Alien that does not isolate its
dynamic libraries, then you might get some fails from old upgraded
aliens because the share directory isn't cleaned up by default (this is
perhaps a design bug in the way that share directories work, but it
is a long standing characteristic). One work around for this is to
use the C<clean_install> property on L<Alien::Build::MM>, which will
clean out the share directory on upgrade, and possibly save you a lot
of grief.
=head2 Verifying and debugging your alienfile
You could feed your alienfile directly into L<Alien::Build>, or
L<Alien::Build::MM>, but it is sometimes useful to test your alienfile
using the C<af> command (it does not come with L<Alien::Build>, you need
to install L<App::af>). By default C<af> will use the C<alienfile> in
the current directory (just as C<make> uses the C<Makefile> in the
current directory; just like C<make> you can use the C<-f> option to
specify a different L<alienfile>).
You can test your L<alienfile> in dry run mode:
% af install --dry-run
Alien::Build::Plugin::Core::Legacy> adding legacy hash to config
Alien::Build::Plugin::Core::Gather> mkdir -p /tmp/I2YXRyxb0r/_alien
---
cflags: ''
cflags_static: ''
install_type: system
legacy:
finished_installing: 1
install_type: system
name: libfoo
original_prefix: /tmp/7RtAusykNN
version: 1.2.3
libs: '-lfoo '
libs_static: '-lfoo '
prefix: /tmp/7RtAusykNN
version: 1.2.3
You can use the C<--type> option to force a share install (download and
build from source):
% af install --type=share --dry-run
Alien::Build::Plugin::Core::Download> decoding html
Alien::Build::Plugin::Core::Download> candidate *https://www.libfoo.org/download/libfoo-1.2.4.tar.gz
Alien::Build::Plugin::Core::Download> candidate https://www.libfoo.org/download/libfoo-1.2.3.tar.gz
Alien::Build::Plugin::Core::Download> candidate https://www.libfoo.org/download/libfoo-1.2.2.tar.gz
Alien::Build::Plugin::Core::Download> candidate https://www.libfoo.org/download/libfoo-1.2.1.tar.gz
Alien::Build::Plugin::Core::Download> candidate https://www.libfoo.org/download/libfoo-1.2.0.tar.gz
Alien::Build::Plugin::Core::Download> candidate https://www.libfoo.org/download/libfoo-1.1.9.tar.gz
Alien::Build::Plugin::Core::Download> candidate https://www.libfoo.org/download/libfoo-1.1.8.tar.gz
Alien::Build::Plugin::Core::Download> candidate https://www.libfoo.org/download/libfoo-1.1.7.tar.gz
Alien::Build::Plugin::Core::Download> candidate ...
Alien::Build::Plugin::Core::Download> setting version based on archive to 1.2.4
Alien::Build::Plugin::Core::Download> downloaded libfoo-1.2.4.tar.gz
Alien::Build::CommandSequence> + ./configure --prefix=/tmp/P22WEXj80r --with-pic --disable-shared
... snip ...
Alien::Build::Plugin::Core::Gather> mkdir -p /tmp/WsoLAQ889w/_alien
---
cflags: ''
cflags_static: ''
install_type: share
legacy:
finished_installing: 1
install_type: share
original_prefix: /tmp/P22WEXj80r
version: 1.2.4
libs: '-L/tmp/P22WEXj80r/lib -lfoo '
libs_static: '-L/tmp/P22WEXj80r/lib -lfoo '
prefix: /tmp/P22WEXj80r
version: 1.2.4
You can also use the C<--before> and C<--after> options to take a peek
at what the build environment looks like at different stages as well,
which can sometimes be useful:
% af install --dry-run --type=share --before build bash
Alien::Build::Plugin::Core::Download> decoding html
Alien::Build::Plugin::Core::Download> candidate *https://www.libfoo.org/download/libfoo-1.2.4.tar.gz
Alien::Build::Plugin::Core::Download> candidate https://www.libfoo.org/download/libfoo-1.2.3.tar.gz
Alien::Build::Plugin::Core::Download> candidate https://www.libfoo.org/download/libfoo-1.2.2.tar.gz
Alien::Build::Plugin::Core::Download> candidate https://www.libfoo.org/download/libfoo-1.2.1.tar.gz
Alien::Build::Plugin::Core::Download> candidate https://www.libfoo.org/download/libfoo-1.2.0.tar.gz
Alien::Build::Plugin::Core::Download> candidate https://www.libfoo.org/download/libfoo-1.1.9.tar.gz
Alien::Build::Plugin::Core::Download> candidate https://www.libfoo.org/download/libfoo-1.1.8.tar.gz
Alien::Build::Plugin::Core::Download> candidate https://www.libfoo.org/download/libfoo-1.1.7.tar.gz
Alien::Build::Plugin::Core::Download> candidate ...
Alien::Build::Plugin::Core::Download> setting version based on archive to 1.2.4
Alien::Build::Plugin::Core::Download> downloaded libfoo-1.2.4.tar.gz
App::af::install> [ before build ] + bash
/tmp/fbVPu4LRTs/build_5AVn/libfoo-1.2.4$ ls
CHANGES Makefile autoconf.ac lib
/tmp/fbVPu4LRTs/build_5AVn/libfoo-1.2.4$
There are a lot of other useful things that you can do with the C<af>
command. See L<af> for details.
=head2 Integrating with MakeMaker
Once you have a working L<alienfile> you can write your C<Makefile.PL>.
use ExtUtils::MakeMaker;
use Alien::Build::MM;
my $abmm = Alien::Build::MM->new;
WriteMakefile($abmm->mm_args(
ABSTRACT => 'Discover or download and install libfoo',
DISTNAME => 'Alien-Libfoo',
NAME => 'Alien::Libfoo',
VERSION_FROM => 'lib/Alien/Libfoo.pm',
CONFIGURE_REQUIRES => {
'Alien::Build::MM' => 0,
},
BUILD_REQUIRES => {
'Alien::Build::MM' => 0,
},
PREREQ_PM => {
'Alien::Base' => 0,
},
# If you are going to write the recommended
# tests you will will want these:
TEST_REQUIRES => {
'Test::Alien' => 0,
'Test2::V0' => 0,
},
));
sub MY::postamble {
$abmm->mm_postamble;
}
The C<lib/Alien/Libfoo.pm> that goes along with it is very simple:
package Alien::Libfoo;
use strict;
use warnings;
use parent qw( Alien::Base );
1;
You are done and can install it normally:
% perl Makefile.PL
% make
% make test
% make install
=head2 Integrating with Module::Build
Please don't! Okay if you have to there is L<Alien::Build::MB>.
=head2 Non standard configuration
L<Alien::Base> support most of the things that your L<Alien> will need,
like compiler flags (cflags), linker flags (libs) and binary directory
(bin_dir). Your library or tool may have other configuration items
which are not supported by default. You can store the values in the
L<alienfile> into the runtime properties:
gather [
# standard:
[ 'foo-config --version libfoo', \'%{.runtime.version}' ],
[ 'foo-config --cflags libfoo', \'%{.runtime.cflags}' ],
[ 'foo-config --libs libfoo', \'%{.runtime.libs}' ],
# non-standard
[ 'foo-config --bar-baz libfoo', \'%{.runtime.bar_baz}' ],
];
then you can expose them in your L<Alien::Base> subclass:
package Alien::Libfoo;
use strict;
use warnings;
use parent qw( Alien::Base );
sub bar_baz {
my($self) = @_;
$self->runtime_prop->{bar_baz},
};
1;
=head2 Testing
(optional, but highly recommended)
You should write a test using L<Test::Alien> to make sure that your
alien will work with any XS modules that are going to use it:
use Test2::V0;
use Test::Alien;
use Alien::Libfoo;
alien_ok 'Alien::Libfoo';
xs_ok do { local $/; <DATA> }, with_subtest {
is Foo::something(), 1, 'Foo::something() returns 1';
};
done_testing;
__DATA__
#include "EXTERN.h"
#include "perl.h"
#include "XSUB.h"
#include <foo.h>
MODULE = Foo PACKAGE = Foo
int something()
You can also use L<Test::Alien> to test tools instead of libraries:
use Test2::V0;
use Test::Alien;
use Alien::Libfoo;
alien_ok 'Alien::Libfoo';
run_ok(['foo', '--version'])
->exit_is(0);
done_testing;
You can also write tests specifically for L<FFI::Platypus>, if your
alien is going to be used to write FFI bindings. (the test below
is the FFI equivalent to the XS example above).
use Test2::V0;
use Test::Alien;
use Alien::Libfoo;
alien_ok 'Alien::Libfoo';
ffi_ok { symbols => [ 'something' ] }, with_subtest {
# $ffi is an instance of FFI::Platypus with the lib
# set appropriately.
my($ffi) = @_;
my $something = $ffi->function( something => [] => 'int' );
is $something->call(), 1, 'Foo::something() returns 1';
};
If you do use C<ffi_ok> you want to make sure that your alien reliably
produces dynamic libraries. If it isn't consistent (if for example
some platforms tend not to provide or build dynamic libraries), you can
check that C<dynamic_libs> doesn't return an empty list.
...
alien_ok 'Alien::Libfoo';
SKIP: {
skip "This test requires a dynamic library"
unless Alien::Libfoo->dynamic_libs;
ffi_ok { symbols [ 'something' ] }, with_subtest {
...
};
}
More details on testing L<Alien> modules can be found in the
L<Test::Alien> documentation.
You can also run the tests that come with the package that you are alienizing,
by using a C<test> block in your L<alienfile>. Keep in mind that some packages
use testing tools or have other prerequisites that will not be available on your
users machines when they attempt to install your alien. So you do not want to
blindly add a test block without checking what the prereqs are. For Autoconf
style packages you typically test a package using the C<make check> command:
use alienfile;
plugin 'PkgConfig' => 'libfoo';
share {
... # standard build steps.
test [ '%{make} check' ];
};
=head2 Dist::Zilla
(optional, mildly recommended)
You can also use the L<Alien::Build> L<Dist::Zilla> plugin
L<Dist::Zilla::Plugin::AlienBuild>:
name = Alien-Libfoo
author = E. Xavier Ample <example@cpan.org>
license = Perl_5
copyright_holder = E. Xavier Ample <example@cpan.org>
copyright_year = 2017
version = 0.01
[@Basic]
[AlienBuild]
The plugin takes care of a lot of details like making sure that the
correct minimum versions of L<Alien::Build> and L<Alien::Base> are used.
See the plugin documentation for additional details.
=head2 Using your Alien
Once you have installed you can use your Alien. See
L<Alien::Build::Manual::AlienUser> for guidance on that.
=head1 SEE ALSO
=over 4
=item L<Alien::Build::Manual>
Other L<Alien::Build> manuals.
=back
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK Ufl\��x�p p perl5/5.32/Alien/Build/Temp.pmnu ��6�$ package Alien::Build::Temp;
use strict;
use warnings;
use 5.008004;
use Carp ();
use Path::Tiny ();
use File::Temp ();
use File::Spec ();
# ABSTRACT: Temp Dir support for Alien::Build
our $VERSION = '2.84'; # VERSION
# problem with vanilla File::Temp is that is often uses
# as /tmp that has noexec turned on. Workaround is to
# create a temp directory in the build directory, but
# we have to be careful about cleanup. This puts all that
# (attempted) carefulness in one place so that when we
# later discover it isn't so careful we can fix it in
# one place rather than all the places that we need
# temp directories.
# we also have a speical case for Windows, which often
# has problems with long paths if we try to use the
# current directory for temp files, so for those we
# use the system tmp directory.
my %root;
sub _root
{
return File::Spec->tmpdir if $^O eq 'MSWin32';
my $root = Path::Tiny->new(-d "_alien" ? "_alien/tmp" : ".tmp")->absolute;
unless(-d $root)
{
mkdir $root or die "unable to create temp root $!";
}
# TODO: doesn't account for fork...
my $lock = $root->child("l$$");
unless(-f $lock)
{
open my $fh, '>', $lock;
close $fh;
}
$root{"$root"} = 1;
$root;
}
END {
foreach my $root (keys %root)
{
my $lock = Path::Tiny->new($root)->child("l$$");
unlink $lock;
# try to delete if possible.
# if not possible then punt
rmdir $root if -d $root;
}
}
sub newdir
{
my $class = shift;
Carp::croak "uneven" if @_ % 2;
File::Temp->newdir(DIR => _root, @_);
}
sub new
{
my $class = shift;
Carp::croak "uneven" if @_ % 2;
File::Temp->new(DIR => _root, @_);
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::Temp - Temp Dir support for Alien::Build
=head1 VERSION
version 2.84
=head1 DESCRIPTION
This class is private to L<Alien::Build>.
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK Vfl\�>��<
<
( perl5/5.32/Alien/Build/Log/Abbreviate.pmnu ��6�$ package Alien::Build::Log::Abbreviate;
use strict;
use warnings;
use 5.008004;
use Term::ANSIColor ();
use Path::Tiny qw( path );
use File::chdir;
use parent qw( Alien::Build::Log );
# ABSTRACT: Log class for Alien::Build which is less verbose
our $VERSION = '2.84'; # VERSION
sub _colored
{
my($code, @out) = @_;
-t STDOUT ? Term::ANSIColor::colored($code, @out) : @out;
}
my $root = path("$CWD");
sub log
{
my(undef, %args) = @_;
my($message) = $args{message};
my ($package, $filename, $line) = @{ $args{caller} };
my $source = $package;
$source =~ s/^Alien::Build::Auto::[^:]+::Alienfile/alienfile/;
my $expected = $package;
$expected .= '.pm' unless $package eq 'alienfile';
$expected =~ s/::/\//g;
if($filename !~ /\Q$expected\E$/)
{
$source = path($filename)->relative($root);
}
else
{
$source =~ s/^Alien::Build::Plugin/ABP/;
$source =~ s/^Alien::Build/AB/;
}
print _colored([ "bold on_black" ], '[');
print _colored([ "bright_green on_black" ], $source);
print _colored([ "on_black" ], ' ');
print _colored([ "bright_yellow on_black" ], $line);
print _colored([ "bold on_black" ], ']');
print _colored([ "white on_black" ], ' ', $message);
print "\n";
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::Log::Abbreviate - Log class for Alien::Build which is less verbose
=head1 VERSION
version 2.84
=head1 SYNOPSIS
=head1 DESCRIPTION
=head1 METHODS
=head2 log
$log->log(%opts);
Send single log line to stdout.
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK Vfl\���
% perl5/5.32/Alien/Build/Log/Default.pmnu ��6�$ package Alien::Build::Log::Default;
use strict;
use warnings;
use 5.008004;
use parent qw( Alien::Build::Log );
# ABSTRACT: Default Alien::Build log class
our $VERSION = '2.84'; # VERSION
sub log
{
my(undef, %args) = @_;
my($message) = $args{message};
my ($package, $filename, $line) = @{ $args{caller} };
print "$package> $message\n";
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::Log::Default - Default Alien::Build log class
=head1 VERSION
version 2.84
=head1 SYNOPSIS
Alien::Build->log("message1");
$build->log("message2");
=head1 DESCRIPTION
This is the default log class for L<Alien::Build>. It does
the sensible thing of sending the message to stdout, along
with the class that made the log call. For more details
about logging with L<Alien::Build>, see L<Alien::Build::Log>.
=head1 METHODS
=head2 log
$log->log(%opts);
Send single log line to stdout.
=head1 SEE ALSO
=over 4
=item L<Alien::Build>
=item L<Alien::Build::Log>
=back
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK Vfl\�J � � perl5/5.32/Alien/Build/Log.pmnu ��6�$ package Alien::Build::Log;
use strict;
use warnings;
use 5.008004;
use Carp ();
# ABSTRACT: Alien::Build logging
our $VERSION = '2.84'; # VERSION
my $log_class;
my $self;
sub new
{
my($class) = @_;
Carp::croak("Cannot instantiate base class") if $class eq 'Alien::Build::Log';
return bless {}, $class;
}
sub default
{
$self || do {
my $class = $log_class || $ENV{ALIEN_BUILD_LOG} || 'Alien::Build::Log::Default';
unless(eval { $class->can('new') })
{
my $pm = "$class.pm";
$pm =~ s/::/\//g;
require $pm;
}
$class->new;
}
}
sub set_log_class
{
my(undef, $class) = @_;
return if defined $class && ($class eq ($log_class || ''));
$log_class = $class;
undef $self;
}
sub log
{
Carp::croak("AB Log base class");
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::Log - Alien::Build logging
=head1 VERSION
version 2.84
=head1 SYNOPSIS
Create your custom log class:
package Alien::Build::Log::MyLog;
use parent qw( Alien::Build::Log );
sub log
{
my(undef, %opt) = @_;
my($package, $filename, $line) = @{ $opt{caller} };
my $message = $opt{message};
...;
}
override log class:
% env ALIEN_BUILD_LOG=Alien::Build::Log::MyLog cpanm Alien::libfoo
=head1 DESCRIPTION
=head1 CONSTRUCTORS
=head2 new
my $log = Alien::Build::Log->new;
Create an instance of the log class.
=head2 default
my $log = Alien::Build::Log->default;
Return singleton instance of log class used by L<Alien::Build>.
=head1 METHODS
=head2 set_log_class
Alien::Build::Log->set_log_class($class);
Set the default log class used by L<Alien::Build>. This method will also reset the
default instance used by L<Alien::Build>. If not specified, L<Alien::Build::Log::Default>
will be used.
=head2 log
$log->log(%options);
Overridable method which does the actual work of the log class. Options:
=over 4
=item caller
Array references containing the package, file and line number of where the
log was called.
=item message
The message to log.
=back
=head1 ENVIRONMENT
=over 4
=item ALIEN_BUILD_LOG
The default log class used by L<Alien::Build>.
=back
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK Wfl\)RM߂ � - perl5/5.32/Alien/Build/Interpolate/Default.pmnu ��6�$ package Alien::Build::Interpolate::Default;
use strict;
use warnings;
use 5.008004;
use parent qw( Alien::Build::Interpolate );
use File::chdir;
use File::Which qw( which );
use Capture::Tiny qw( capture );
# ABSTRACT: Default interpolator for Alien::Build
our $VERSION = '2.84'; # VERSION
sub _config
{
$Config::Config{$_[0]};
}
sub new
{
my($class) = @_;
my $self = $class->SUPER::new(@_);
$self->add_helper( ar => sub { _config 'ar' }, 'Config' );
$self->add_helper( bison => undef, sub {
my $helper = shift;
if(which 'bison')
{
$helper->code(sub { 'bison' });
return ();
}
else
{
return 'Alien::bison' => '0.17';
}
});
$self->add_helper( bzip2 => undef, sub {
my $helper = shift;
if(which 'bzip2')
{
$helper->code( sub { 'bzip2' });
return ();
}
else
{
return 'Alien::Libbz2' => '0.04';
}
});
$self->add_helper( cc => sub { _config 'cc' }, 'Config' );
$self->add_helper( cmake => sub { 'cmake' }, sub {
if(which 'cmake')
{
return ();
}
else
{
return 'Alien::CMake' => '0.07';
}
});
$self->add_helper( cp => sub { _config 'cp' }, 'Config' );
$self->add_helper( devnull => sub { $^O eq 'MSWin32' ? 'NUL' : '/dev/null' });
$self->add_helper( flex => undef, sub {
my $helper = shift;
if(which 'flex')
{
$helper->code(sub { 'flex' });
return ();
}
else
{
return 'Alien::flex' => '0.08';
}
});
$self->add_helper( gmake => undef, 'Alien::gmake' => '0.11' );
$self->add_helper( install => sub { 'install' });
$self->add_helper( ld => sub { _config 'ld' }, 'Config' );
$self->add_helper( m4 => undef, 'Alien::m4' => '0.08' );
if($^O eq 'MSWin32')
{
# TL;DR: dmake is bad, and shouldn't be used to build anything but older
# versions of Windows Perl that don't support gmake.
my $perl_make = _config 'make';
my $my_make;
$self->add_helper( make => sub {
return $my_make if defined $my_make;
if( $perl_make ne 'dmake' && which $perl_make )
{
# assume if it is called nmake or gmake that it really is what it
# says it is.
if( $perl_make eq 'nmake' || $perl_make eq 'gmake' )
{
return $my_make = $perl_make;
}
my $out = capture { system $perl_make, '--version' };
if( $out =~ /GNU make/i || $out =~ /Microsoft \(R\) Program Maintenance/ )
{
return $my_make = $perl_make;
}
}
# if we see something that looks like it might be gmake, use that.
foreach my $try (qw( gmake mingw32-make ))
{
return $my_make = $try if which $try;
}
if( which 'make' )
{
my $out = capture { system 'make', '--version' };
if( $out =~ /GNU make/i || $out =~ /Microsoft \(R\) Program Maintenance/ )
{
return $my_make = 'make';
}
}
# if we see something that looks like it might be nmake, use that.
foreach my $try (qw( nmake ))
{
return $my_make = $try if which $try;
}
$my_make = $perl_make;
});
}
else
{
$self->add_helper( make => sub { _config 'make' }, 'Config' );
}
$self->add_helper( mkdir_deep => sub { $^O eq 'MSWin32' ? 'md' : 'mkdir -p'}, 'Alien::Build' => '1.04' );
$self->add_helper( make_path => sub { $^O eq 'MSWin32' ? 'md' : 'mkdir -p'}, 'Alien::Build' => '1.05' );
$self->add_helper( nasm => undef, sub {
my $helper = shift;
if(which 'nasm')
{
$helper->code(sub { 'nasm' });
return ();
}
else
{
return 'Alien::nasm' => '0.11';
}
});
$self->add_helper( patch => undef, sub {
my $helper = shift;
if(which 'patch')
{
if($^O eq 'MSWin32')
{
$helper->code(sub { 'patch --binary' });
}
else
{
$helper->code(sub { 'patch' });
}
return ();
}
else
{
return 'Alien::patch' => '0.09';
}
});
$self->add_helper( perl => sub {
my $perl = Devel::FindPerl::find_perl_interpreter();
$perl =~ s{\\}{/}g if $^O eq 'MSWin32';
$perl;
}, 'Devel::FindPerl' );
$self->add_helper( pkgconf => undef, 'Alien::pkgconf' => 0.06 );
$self->add_helper( cwd => sub {
my $cwd = "$CWD";
$cwd =~ s{\\}{/}g if $^O eq 'MSWin32';
$cwd;
} );
$self->add_helper( sh => sub { 'sh' }, 'Alien::MSYS' => '0.07' );
$self->add_helper( rm => sub { _config 'rm' }, 'Config' );
$self->add_helper( xz => undef, sub {
my $helper = shift;
if(which 'xz')
{
$helper->code(sub { 'xz' });
return ();
}
else
{
return 'Alien::xz' => '0.02';
}
});
$self;
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::Interpolate::Default - Default interpolator for Alien::Build
=head1 VERSION
version 2.84
=head1 CONSTRUCTOR
=head2 new
my $intr = Alien::Build::Interpolate::Default->new;
=head1 HELPERS
=head2 ar
%{ar}
The ar command.
=head2 bison
%{bison}
Requires: L<Alien::bison> 0.17 if not already in C<PATH>.
=head2 bzip2
%{bzip2}
Requires: L<Alien::Libbz2> 0.04 if not already in C<PATH>.
=head2 cc
%{cc}
The C Compiler used to build Perl
=head2 cmake
%{cmake}
Requires: L<Alien::CMake> 0.07 if cmake is not already in C<PATH>.
Deprecated: Use the L<Alien::Build::Plugin::Build::CMake> plugin instead (which will replace
this helper with one that works with L<Alien::cmake3> that works better).
=head2 cp
%{cp}
The copy command.
=head2 devnull
%{devnull}
The null device, if available. On Unix style operating systems this will be C</dev/null> on Windows it is C<NUL>.
=head2 flex
%{flex}
Requires: L<Alien::flex> 0.08 if not already in C<PATH>.
=head2 gmake
%{gmake}
Requires: L<Alien::gmake> 0.11
Deprecated: use L<Alien::Build::Plugin::Build::Make> instead.
=head2 install
%{install}
The Unix C<install> command. Not normally available on Windows.
=head2 ld
%{ld}
The linker used to build Perl
=head2 m4
%{m4}
Requires: L<Alien::m4> 0.08
L<Alien::m4> should pull in a version of C<m4> that will work with Autotools.
=head2 make
%{make}
Make. On Unix this will be the same make used by Perl. On Windows this will be
C<gmake> or C<nmake> if those are available, and only C<dmake> if the first two
are not available.
=head2 make_path
%{make_path}
Make directory, including all parent directories as needed. This is usually C<mkdir -p>
on Unix and simply C<md> on windows.
=head2 nasm
%{nasm}
Requires: L<Alien::nasm> 0.11 if not already in the C<PATH>.
=head2 patch
%{patch}
Requires: L<Alien::patch> 0.09 if not already in the C<PATH>.
On Windows this will normally render C<patch --binary>, which makes patch work like it does on Unix.
=head2 perl
%{perl}
Requires: L<Devel::FindPerl>
=head2 pkgconf
%{pkgconf}
Requires: L<Alien::pkgconf> 0.06.
=head2 cwd
%{cwd}
=head2 sh
%{sh}
Unix style command interpreter (/bin/sh).
Deprecated: use the L<Alien::Build::Plugin::Build::MSYS> plugin instead.
=head2 rm
%{rm}
The remove command
=head2 xz
%{xz}
Requires: L<Alien::xz> 0.02 if not already in the C<PATH>.
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK Xfl\�ݪ5� � % perl5/5.32/Alien/Build/Interpolate.pmnu ��6�$ package Alien::Build::Interpolate;
use strict;
use warnings;
use 5.008004;
# ABSTRACT: Advanced interpolation engine for Alien builds
our $VERSION = '2.84'; # VERSION
sub new
{
my($class) = @_;
my $self = bless {
helper => {},
classes => {},
}, $class;
$self;
}
sub add_helper
{
my $self = shift;
my $name = shift;
my $code = shift;
if(defined $self->{helper}->{$name})
{
require Carp;
Carp::croak("duplicate implementation for interpolated key $name");
}
my $require;
if(ref $_[0] eq 'CODE')
{
$require = shift;
}
else
{
$require = [];
while(@_)
{
my $module = shift;
my $version = shift;
$version ||= 0;
push @$require, $module => $version;
}
}
$self->{helper}->{$name} = Alien::Build::Helper->new(
$name,
$code,
$require,
);
}
sub replace_helper
{
my $self = shift;
my($name) = @_;
delete $self->{helper}->{$name};
$self->add_helper(@_);
}
sub has_helper
{
my($self, $name) = @_;
return unless defined $self->{helper}->{$name};
my @require = $self->{helper}->{$name}->require;
while(@require)
{
my $module = shift @require;
my $version = shift @require;
{
my $pm = "$module.pm";
$pm =~ s/::/\//g;
require $pm;
$module->VERSION($version) if $version;
}
unless($self->{classes}->{$module})
{
if($module->can('alien_helper'))
{
my $helpers = $module->alien_helper;
foreach my $k (keys %$helpers)
{
$self->{helper}->{$k}->code($helpers->{$k});
}
}
$self->{classes}->{$module} = 1;
}
}
my $code = $self->{helper}->{$name}->code;
return unless defined $code;
if(ref($code) ne 'CODE')
{
my $perl = $code;
package Alien::Build::Interpolate::Helper;
$code = sub {
## no critic
my $value = eval $perl;
## use critic
die $@ if $@;
$value;
};
}
$code;
}
sub execute_helper
{
my($self, $name) = @_;
my $code = $self->has_helper($name);
die "no helper defined for $name" unless defined $code;
$code->();
}
sub _get_prop
{
my($name, $prop, $orig) = @_;
$name =~ s/^\./alien./;
if($name =~ /^(.*?)\.(.*)$/)
{
my($key,$rest) = ($1,$2);
return _get_prop($rest, $prop->{$key}, $orig);
}
elsif(exists $prop->{$name})
{
return $prop->{$name};
}
else
{
require Carp;
Carp::croak("No property $orig is defined");
}
}
sub interpolate
{
my($self, $string, $build) = @_;
my $prop = defined $build && eval { $build->isa('Alien::Build') }
? $build->_command_prop
: {};
$string =~ s{(?<!\%)\%\{([a-zA-Z_][a-zA-Z_0-9]+)\}}{$self->execute_helper($1)}eg;
$string =~ s{(?<!\%)\%\{([a-zA-Z_\.][a-zA-Z_0-9\.]+)\}}{_get_prop($1,$prop,$1)}eg;
$string =~ s/\%(?=\%)//g;
$string;
}
sub requires
{
my($self, $string) = @_;
map {
my $helper = $self->{helper}->{$_};
$helper ? $helper->require : ();
} $string =~ m{(?<!\%)\%\{([a-zA-Z_][a-zA-Z_0-9]+)\}}g;
}
sub clone
{
my($self) = @_;
require Storable;
my %helper;
foreach my $name (keys %{ $self->{helper} })
{
$helper{$name} = $self->{helper}->{$name}->clone;
}
my $new = bless {
helper => \%helper,
classes => Storable::dclone($self->{classes}),
}, ref $self;
}
package Alien::Build::Helper;
sub new
{
my($class, $name, $code, $require) = @_;
bless {
name => $name,
code => $code,
require => $require,
}, $class;
}
sub name { shift->{name} }
sub code
{
my($self, $code) = @_;
$self->{code} = $code if $code;
$self->{code};
}
sub require
{
my($self) = @_;
if(ref $self->{require} eq 'CODE')
{
$self->{require} = [ $self->{require}->($self) ];
}
@{ $self->{require} };
}
sub clone
{
my($self) = @_;
my $class = ref $self;
$class->new(
$self->name,
$self->code,
[ $self->require ],
);
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::Interpolate - Advanced interpolation engine for Alien builds
=head1 VERSION
version 2.84
=head1 CONSTRUCTOR
=head2 new
my $intr = Alien::Build::Interpolate->new;
=head2 add_helper
$intr->add_helper($name => $code);
$intr->add_helper($name => $code, %requirements);
=head2 replace_helper
$intr->replace_helper($name => $code);
$intr->replace_helper($name => $code, %requirements);
=head2 has_helper
my $coderef = $intr->has_helper($name);
Used to discover if a helper exists with the given name.
Returns the code reference.
=head2 execute_helper
my $value = $intr->execute_helper($name);
This evaluates the given helper and returns the result.
=head2 interpolate
my $string = $intr->interpolate($template, $build);
my $string = $intr->interpolate($template);
This takes a template and fills in the appropriate values of any helpers used
in the template.
[version 2.58]
If you pass in an L<Alien::Build> instance as the second argument, you can use
properties as well as helpers in the template. Example:
my $patch = $intr->template("%{.install.patch}/foo-%{.runtime.version}.patch", $build);
=head2 requires
my %requires = $intr->requires($template);
This returns a hash of modules required in order to execute the given template.
The keys are the module names and the values are the versions. Version will be
set to C<0> if any version is sufficient.
=head2 clone
my $intr2 = $intr->clone;
This creates a clone of the interpolator.
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK Xfl\�x&� � ! perl5/5.32/Alien/Build/Manual.podnu ��6�$ # PODNAME: Alien::Build::Manual
# ABSTRACT: The Alien::Build Manual
# VERSION
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::Manual - The Alien::Build Manual
=head1 VERSION
version 2.84
=head1 SYNOPSIS
perldoc Alien::Build::Manual::Alien
perldoc Alien::Build::Manual::AlienAuthor
perldoc Alien::Build::Manual::AlienUser
perldoc Alien::Build::Manual::Contributing
perldoc Alien::Build::Manual::FAQ
perldoc Alien::Build::Manual::PluginAuthor
=head1 DESCRIPTION
L<Alien::Build> comes with a number of manuals that are useful depending on how you
are using L<Alien>.
=over 4
=item L<Alien::Build::Manual::Alien>
General alien author documentation.
=item L<Alien::Build::Manual::AlienAuthor>
Alien author documentation.
=item L<Alien::Build::Manual::AlienUser>
Alien user documentation.
=item L<Alien::Build::Manual::Contributing>
Overly-detailed contributing guide.
=item L<Alien::Build::Manual::FAQ>
Frequently Asked Questions about L<Alien::Build>.
=item L<Alien::Build::Manual::PluginAuthor>
L<Alien::Build> plugin author documentation — or how to extend L<Alien::Build> with the plugin system.
=item L<Alien::Build::Manual::Security>
Documents some of the challenges and configuration tools related to security of L<Alien>s.
=back
=head1 SEE ALSO
=over 4
=item L<Alien::Base>
=item L<Alien::Build>
=item L<alienfile>
=back
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK Xfl\��2l�; �; perl5/5.32/Alien/Build/MM.pmnu ��6�$ package Alien::Build::MM;
use strict;
use warnings;
use 5.008004;
use Alien::Build;
use Path::Tiny ();
use Capture::Tiny qw( capture );
use Carp ();
# ABSTRACT: Alien::Build installer code for ExtUtils::MakeMaker
our $VERSION = '2.84'; # VERSION
sub new
{
my($class, %prop) = @_;
my $self = bless {}, $class;
my %meta = map { $_ => $prop{$_} } grep /^my_/, keys %prop;
my $build = $self->{build} =
Alien::Build->load('alienfile',
root => "_alien",
(-d 'patch' ? (patch => 'patch') : ()),
meta_prop => \%meta,
)
;
if(%meta)
{
$build->meta->add_requires(configure => 'Alien::Build::MM' => '1.20');
$build->meta->add_requires(configure => 'Alien::Build' => '1.20');
}
if(defined $prop{alienfile_meta})
{
$self->{alienfile_meta} = $prop{alienfile_meta};
}
else
{
$self->{alienfile_meta} = 1;
}
$self->{clean_install} = $prop{clean_install};
$self->build->load_requires('configure');
$self->build->root;
$self->build->checkpoint;
$self;
}
sub build
{
shift->{build};
}
sub alienfile_meta
{
shift->{alienfile_meta};
}
sub clean_install
{
shift->{clean_install};
}
sub mm_args
{
my($self, %args) = @_;
if($args{DISTNAME})
{
$self->build->set_stage(Path::Tiny->new("blib/lib/auto/share/dist/$args{DISTNAME}")->absolute->stringify);
$self->build->install_prop->{mm}->{distname} = $args{DISTNAME};
my $module = $args{DISTNAME};
$module =~ s/-/::/g;
# See if there is an existing version installed, without pulling it into this process
my($old_prefix, $err, $ret) = capture { system $^X, "-M$module", -e => "print $module->dist_dir"; $? };
if($ret == 0)
{
chomp $old_prefix;
my $file = Path::Tiny->new($old_prefix, qw( _alien alien.json ));
if(-r $file)
{
my $old_runtime = eval {
require JSON::PP;
JSON::PP::decode_json($file->slurp);
};
unless($@)
{
$self->build->install_prop->{old}->{runtime} = $old_runtime;
$self->build->install_prop->{old}->{prefix} = $old_prefix;
}
}
}
}
else
{
Carp::croak "DISTNAME is required";
}
my $ab_version = '0.25';
if($self->clean_install)
{
$ab_version = '1.74';
}
$args{CONFIGURE_REQUIRES} = Alien::Build::_merge(
'Alien::Build::MM' => $ab_version,
%{ $args{CONFIGURE_REQUIRES} || {} },
%{ $self->build->requires('configure') || {} },
);
if($self->build->install_type eq 'system')
{
$args{BUILD_REQUIRES} = Alien::Build::_merge(
'Alien::Build::MM' => $ab_version,
%{ $args{BUILD_REQUIRES} || {} },
%{ $self->build->requires('system') || {} },
);
}
elsif($self->build->install_type eq 'share')
{
$args{BUILD_REQUIRES} = Alien::Build::_merge(
'Alien::Build::MM' => $ab_version,
%{ $args{BUILD_REQUIRES} || {} },
%{ $self->build->requires('share') || {} },
);
}
else
{
die "unknown install type: @{[ $self->build->install_type ]}"
}
$args{PREREQ_PM} = Alien::Build::_merge(
'Alien::Build' => $ab_version,
%{ $args{PREREQ_PM} || {} },
);
#$args{META_MERGE}->{'meta-spec'}->{version} = 2;
$args{META_MERGE}->{dynamic_config} = 1;
if($self->alienfile_meta)
{
$args{META_MERGE}->{x_alienfile} = {
generated_by => "@{[ __PACKAGE__ ]} version @{[ __PACKAGE__->VERSION || 'dev' ]}",
requires => {
map {
my %reqs = %{ $self->build->requires($_) };
$reqs{$_} = "$reqs{$_}" for keys %reqs;
$_ => \%reqs;
} qw( share system )
},
};
}
$self->build->checkpoint;
%args;
}
sub mm_postamble
{
# NOTE: older versions of the Alien::Build::MM documentation
# didn't include $mm and @rest args, so anything that this
# method uses them for has to be optional.
# (as of this writing they are unused, but are being added
# to match the way mm_install works).
my($self, $mm, @rest) = @_;
my $postamble = '';
# remove the _alien directory on a make realclean:
$postamble .= "realclean :: alien_realclean\n" .
"\n" .
"alien_realclean:\n" .
"\t\$(RM_RF) _alien\n\n";
# remove the _alien directory on a make clean:
$postamble .= "clean :: alien_clean\n" .
"\n" .
"alien_clean:\n" .
"\t\$(RM_RF) _alien\n\n";
my $dirs = $self->build->meta_prop->{arch}
? '$(INSTALLARCHLIB) $(INSTALLSITEARCH) $(INSTALLVENDORARCH)'
: '$(INSTALLPRIVLIB) $(INSTALLSITELIB) $(INSTALLVENDORLIB)'
;
# set prefix
$postamble .= "alien_prefix : _alien/mm/prefix\n\n" .
"_alien/mm/prefix :\n" .
"\t\$(FULLPERL) -MAlien::Build::MM=cmd -e prefix \$(INSTALLDIRS) $dirs\n\n";
# set version
$postamble .= "alien_version : _alien/mm/version\n\n" .
"_alien/mm/version : _alien/mm/prefix\n" .
"\t\$(FULLPERL) -MAlien::Build::MM=cmd -e version \$(VERSION)\n\n";
# download
$postamble .= "alien_download : _alien/mm/download\n\n" .
"_alien/mm/download : _alien/mm/prefix _alien/mm/version\n" .
"\t\$(FULLPERL) -MAlien::Build::MM=cmd -e download\n\n";
# build
$postamble .= "alien_build : _alien/mm/build\n\n" .
"_alien/mm/build : _alien/mm/download\n" .
"\t\$(FULLPERL) -MAlien::Build::MM=cmd -e build\n\n";
# append to all
$postamble .= "pure_all :: _alien/mm/build\n\n";
$postamble .= "subdirs-test_dynamic subdirs-test_static subdirs-test :: alien_test\n\n";
$postamble .= "alien_test :\n" .
"\t\$(FULLPERL) -MAlien::Build::MM=cmd -e test\n\n";
# prop
$postamble .= "alien_prop :\n" .
"\t\$(FULLPERL) -MAlien::Build::MM=cmd -e dumpprop\n\n";
$postamble .= "alien_prop_meta :\n" .
"\t\$(FULLPERL) -MAlien::Build::MM=cmd -e dumpprop meta\n\n";
$postamble .= "alien_prop_install :\n" .
"\t\$(FULLPERL) -MAlien::Build::MM=cmd -e dumpprop install\n\n";
$postamble .= "alien_prop_runtime :\n" .
"\t\$(FULLPERL) -MAlien::Build::MM=cmd -e dumpprop runtime\n\n";
# install
$postamble .= "alien_clean_install : _alien/mm/prefix\n" .
"\t\$(FULLPERL) -MAlien::Build::MM=cmd -e clean_install\n\n";
$postamble;
}
sub mm_install
{
# NOTE: older versions of the Alien::Build::MM documentation
# didn't include this method, so anything that this method
# does has to be optional
my($self, $mm, @rest) = @_;
my $section = do {
package
MY;
$mm->SUPER::install(@rest);
};
return
".NOTPARALLEL : \n\n"
. ".NO_PARALLEL : \n\n"
. "install :: alien_clean_install\n\n"
. $section;
}
sub import
{
my(undef, @args) = @_;
foreach my $arg (@args)
{
if($arg eq 'cmd')
{
package main;
*_args = sub
{
my $build = Alien::Build->resume('alienfile', '_alien');
$build->load_requires('configure');
$build->load_requires($build->install_type);
($build, @ARGV)
};
*_touch = sub {
my($name) = @_;
my $path = Path::Tiny->new("_alien/mm/$name");
$path->parent->mkpath;
$path->touch;
};
*prefix = sub
{
my($build, $type, $perl, $site, $vendor) = _args();
my $distname = $build->install_prop->{mm}->{distname};
my $prefix = $type eq 'perl'
? $perl
: $type eq 'site'
? $site
: $type eq 'vendor'
? $vendor
: die "unknown INSTALLDIRS ($type)";
$prefix = Path::Tiny->new($prefix)->child("auto/share/dist/$distname")->absolute->stringify;
$build->log("prefix $prefix");
$build->set_prefix($prefix);
$build->checkpoint;
_touch('prefix');
};
*version = sub
{
my($build, $version) = _args();
$build->runtime_prop->{perl_module_version} = $version;
$build->checkpoint;
_touch('version');
};
*download = sub
{
my($build) = _args();
$build->download;
$build->checkpoint;
_touch('download');
};
*build = sub
{
my($build) = _args();
$build->build;
my $distname = $build->install_prop->{mm}->{distname};
if($build->meta_prop->{arch})
{
my $archdir = Path::Tiny->new("blib/arch/auto/@{[ join '/', split /-/, $distname ]}");
$archdir->mkpath;
my $archfile = $archdir->child($archdir->basename . '.txt');
$archfile->spew('Alien based distribution with architecture specific file in share');
}
my $cflags = $build->runtime_prop->{cflags};
my $libs = $build->runtime_prop->{libs};
if(($cflags && $cflags !~ /^\s*$/)
|| ($libs && $libs !~ /^\s*$/))
{
my $mod = join '::', split /-/, $distname;
my $install_files_pm = Path::Tiny->new("blib/lib/@{[ join '/', split /-/, $distname ]}/Install/Files.pm");
$install_files_pm->parent->mkpath;
$install_files_pm->spew(
"package ${mod}::Install::Files;\n",
"use strict;\n",
"use warnings;\n",
"require ${mod};\n",
"sub Inline { shift; ${mod}->Inline(\@_) }\n",
"1;\n",
"\n",
"=begin Pod::Coverage\n",
"\n",
" Inline\n",
"\n",
"=cut\n",
) unless -f "$install_files_pm";
}
$build->checkpoint;
_touch('build');
};
*test = sub
{
my($build) = _args();
$build->test;
$build->checkpoint;
};
*clean_install = sub
{
my($build) = _args();
$build->clean_install;
$build->checkpoint;
};
*dumpprop = sub
{
my($build, $type) = _args();
my %h = (
meta => $build->meta_prop,
install => $build->install_prop,
runtime => $build->runtime_prop,
);
require Alien::Build::Util;
print Alien::Build::Util::_dump($type ? $h{$type} : \%h);
}
}
}
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::MM - Alien::Build installer code for ExtUtils::MakeMaker
=head1 VERSION
version 2.84
=head1 SYNOPSIS
In your C<Makefile.PL>:
use ExtUtils::MakeMaker;
use Alien::Build::MM;
my $abmm = Alien::Build::MM->new;
WriteMakefile($abmm->mm_args(
ABSTRACT => 'Discover or download and install libfoo',
DISTNAME => 'Alien-Libfoo',
NAME => 'Alien::Libfoo',
VERSION_FROM => 'lib/Alien/Libfoo.pm',
...
));
sub MY::postamble {
$abmm->mm_postamble(@_);
}
sub MY::install {
$abmm->mm_install(@_);
}
In your C<lib/Alien/Libfoo.pm>:
package Alien::Libfoo;
use parent qw( Alien::Base );
1;
In your alienfile (needs to be named C<alienfile> and should be in the root of your dist):
use alienfile;
plugin 'PkgConfig' => 'libfoo';
share {
start_url 'http://libfoo.org';
...
};
=head1 DESCRIPTION
This class allows you to use Alien::Build and Alien::Base with L<ExtUtils::MakeMaker>.
It load the L<alienfile> recipe in the root of your L<Alien> dist, updates the prereqs
passed into C<WriteMakefile> if any are specified by your L<alienfile> or its plugins,
and adds a postamble to the C<Makefile> that will download/build/test the alienized
package as appropriate.
The L<alienfile> must be named C<alienfile>.
If you are using L<Dist::Zilla> to author your L<Alien> dist, you should consider using
the L<Dist::Zilla::Plugin::AlienBuild> plugin.
I personally don't recommend it, but if you want to use L<Module::Build> instead, you
can use L<Alien::Build::MB>.
=head1 CONSTRUCTOR
=head2 new
my $abmm = Alien::Build::MM->new;
Create a new instance of L<Alien::Build::MM>.
=head1 PROPERTIES
=head2 build
my $build = $abmm->build;
The L<Alien::Build> instance.
=head2 alienfile_meta
my $bool = $abmm->alienfile_meta
Set to a false value, in order to turn off the x_alienfile meta
=head2 clean_install
my $bool = $abmm->clean_install;
Set to a true value, in order to clean the share directory prior to
installing. If you use this you have to make sure that you install
the install handler in your C<Makefile.PL>:
$abmm = Alien::Build::MM->new(
clean_install => 1,
);
...
sub MY::install {
$abmm->mm_install(@_);
}
=head1 METHODS
=head2 mm_args
my %args = $abmm->mm_args(%args);
Adjust the arguments passed into C<WriteMakefile> as needed by L<Alien::Build>.
=head2 mm_postamble
my $postamble $abmm->mm_postamble;
my $postamble $abmm->mm_postamble($mm);
Returns the postamble for the C<Makefile> needed for L<Alien::Build>.
This adds the following C<make> targets which are normally called when
you run C<make all>, but can be run individually if needed for debugging.
=over 4
=item alien_prefix
Determines the final install prefix (C<%{.install.prefix}>).
=item alien_version
Determine the perl_module_version (C<%{.runtime.perl_module_version}>)
=item alien_download
Downloads the source from the internet. Does nothing for a system install.
=item alien_build
Build from source (if a share install). Gather configuration (for either
system or share install).
=item alien_prop, alien_prop_meta, alien_prop_install, alien_prop_runtime
Prints the meta, install and runtime properties for the Alien.
=item alien_realclean, alien_clean
Removes the alien specific files. These targets are executed when you call
the C<realclean> and C<clean> targets respectively.
=item alien_clean_install
Cleans out the Alien's share directory. Caution should be used in invoking
this target directly, as if you do not understand what you are doing you
are likely to break your already installed Alien.
=back
=head2 mm_install
sub MY::install {
$abmm->mm_install(@_);
}
B<EXPERIMENTAL>
Adds an install rule to clean the final install dist directory prior to installing.
=head1 SEE ALSO
L<Alien::Build>, L<Alien::Base>, L<Alien>, L<Dist::Zilla::Plugin::AlienBuild>, L<Alien::Build::MB>
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK Xfl\�eE� � ' perl5/5.32/Alien/Build/Version/Basic.pmnu ��6�$ package Alien::Build::Version::Basic;
use strict;
use warnings;
use 5.008004;
use Carp ();
use Exporter qw( import );
use overload
'<=>' => sub { shift->cmp(@_) },
'cmp' => sub { shift->cmp(@_) },
'""' => sub { shift->as_string },
bool => sub { 1 },
fallback => 1;
our @EXPORT_OK = qw( version );
# ABSTRACT: Very basic version object for Alien::Build
our $VERSION = '2.84'; # VERSION
sub new
{
my($class, $value) = @_;
$value =~ s/\.$//; # trim trailing dot
Carp::croak("invalud version: $value")
unless $value =~ /^[0-9]+(\.[0-9]+)*$/;
bless \$value, $class;
}
sub version ($)
{
my($value) = @_;
__PACKAGE__->new($value);
}
sub as_string
{
my($self) = @_;
"@{[ $$self ]}";
}
sub cmp
{
my @x = split /\./, ${$_[0]};
my @y = split /\./, ${ref($_[1]) ? $_[1] : version($_[1])};
while(@x or @y)
{
my $x = (shift @x) || 0;
my $y = (shift @y) || 0;
return $x <=> $y if $x <=> $y;
}
0;
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::Version::Basic - Very basic version object for Alien::Build
=head1 VERSION
version 2.84
=head1 SYNOPSIS
OO interface:
use Alien::Build::Version::Basic;
my $version = Alien::Build::Version::Basic->new('1.2.3');
if($version > '1.2.2') # true
{
...
}
Function interface:
use Alien::Build::Version::Basic qw( version );
if(version('1.2.3') > version('1.2.2')) # true
{
...
}
my @sorted = sort map { version($_) } qw( 2.1 1.2.3 1.2.2 );
# will come out in the order 1.2.2, 1.2.3, 2.1
=head1 DESCRIPTION
This module provides a very basic class for comparing versions.
This is already a crowded space on CPAN. Parts of L<Alien::Build>
already use L<Sort::Versions>, which is fine for sorting versions.
Sometimes you need to compare to see if versions match exact I<values>,
and the best candidates (such as L<Sort::Versions> on CPAN compare
C<1.2.3.0> and C<1.2.3> as being different. This class compares
those two as the same.
This class is also quite limited, in that it only works with version
schemes using a doted version numbers or real numbers with a fixed
number of digits. Versions with: dashes, letters, hex digits, or
anything else are not supported.
This class overloads both C<E<lt>=E<gt>> and C<cmp> to compare the version in
the way that you would expect for version numbers. This way you can
compare versions like numbers, or sort them using sort.
if(version($v1) > version($v2))
{
...
}
my @sorted = sort map { version($_) } @unsorted;
it also overloads C<""> to stringify as whatever string value you
passed to the constructor.
=head1 CONSTRUCTOR
=head2 new
my $version = Alien::Build::Version::Basic->new($value);
This is the long form of the constructor, if you don't want to import
anything into your namespace.
=head2 version
my $version = version($value);
This is the short form of the constructor, if you are sane. It is
NOT exported by default so you will have to explicitly import it.
=head1 METHODS
=head2 as_string
my $string = $version->as_string;
my $string = "$version";
Returns the string representation of the version object.
=head2 cmp
my $bool = $version->cmp($other);
my $bool = $version <=> $other;
my $bool = $version cmp $other;
Returns C<-1>, C<0> or C<1> just like the regular C<E<lt>=E<gt>> and C<cmp>
operators. Although C<$version> must be a version object, C<$other> may
be either a version object, or a string that could be used to create a
valid version object.
=head1 SEE ALSO
=over 4
=item L<Sort::Versions>
Good, especially if you have to support rpm style versions (like C<1.2.3-2-b>)
or don't care if trailing zeros (C<1.2.3> vs C<1.2.3.0>) are treated as
different values.
=item L<version>
Problematic for historical reasons.
=back
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK Yfl\�*�)� � + perl5/5.32/Alien/Build/Plugin/PkgConfig.podnu ��6�$ # PODNAME: Alien::Build::Plugin::PkgConfig
# ABSTRACT: PkgConfig Alien::Build plugins
# VERSION
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::Plugin::PkgConfig - PkgConfig Alien::Build plugins
=head1 VERSION
version 2.84
=head1 SYNOPSIS
use alienfile;
plugin 'PkgConfig' => (
pkg_name => 'foo',
);
=head1 DESCRIPTION
PkgConfig plugins use C<pkg-config> or a compatible library to retrieve flags
at probe and gather stages.
=over 4
=item L<Alien::Build::Plugin::PkgConfig::CommandLine>
Use the command-line C<pkg-config> or C<pkgconf> to get compiler and linker flags.
=item L<Alien::Build::Plugin::PkgConfig::LibPkgConf>
Use the XS L<PkgConfig::LibPkgConf> to get compiler and linker flags.
=item L<Alien::Build::Plugin::PkgConfig::MakeStatic>
Convert .pc file to use static linkage by default.
=item L<Alien::Build::Plugin::PkgConfig::MakeStatic>
Choose the best plugin to do C<pkg-config> work. The best choice is typically
platform and configuration dependent.
=item L<Alien::Build::Plugin::PkgConfig::PP>
Use the pure-perl L<PkgConfig> to get compiler and linker flags.
=back
=head1 SEE ALSO
L<Alien::Build>, L<Alien::Build::Plugin>
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK [fl\s }W; ; ' perl5/5.32/Alien/Build/Plugin/Probe.podnu ��6�$ # PODNAME: Alien::Build::Plugin::Probe
# ABSTRACT: Probe Alien::Build plugins
# VERSION
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::Plugin::Probe - Probe Alien::Build plugins
=head1 VERSION
version 2.84
=head1 SYNOPSIS
look for libraries in known location:
use alienfile;
plugin 'Probe::CBuilder' => (
cflags => '-I/opt/libfoo/include',
libs => '-L/opt/libfoo/lib -lfoo',
);
look for tools in the path:
use alienfile;
plugin 'Probe::CommandLine' => (
command => 'gzip',
args => [ '--version' ],
match => qr/gzip/,
version => qr/gzip ([0-9\.]+)/,
);
Use C<vcpkg> for Visual C++ Perl:
use alienfile;
plugin 'Probe::Vcpkg' => 'libffi';
=head1 DESCRIPTION
Probe plugins try to find existing libraries and tools
I<already> installed on the system. If found they can
be used instead of downloading the source from the
internet and building.
=over 4
=item L<Alien::Build::Plugin::Probe::CBuilder>
Use L<ExtUtils::CBuilder> to probe for existing installed
library.
=item L<Alien::Build::Plugin::Probe::CommandLine>
Execute commands to probe for existing tools.
=item L<Alien::Build::Plugin::Probe::Vcpkg>
Use L<Win32::Vcpkg> to probe for existing installed library.
=back
=head1 SEE ALSO
L<Alien::Build>, L<Alien::Build::Plugin>
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK `fl\Y��� � ( perl5/5.32/Alien/Build/Plugin/Digest.podnu ��6�$ # PODNAME: Alien::Build::Plugin::Digest
# ABSTRACT: Fetch Alien::Digest plugins
# VERSION
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::Plugin::Digest - Fetch Alien::Digest plugins
=head1 VERSION
version 2.84
=head1 SYNOPSIS
use alienfile;
share {
start_url 'http://ftp.gnu.org/gnu/make/make-3.75.tar.gz';
plugin 'Digest' => [ SHA256 => '2bc876304905aee78abf0f7163ba55a2efcec803034f75c75d1b94650c36aba7';
plugin 'Download';
};
=head1 DESCRIPTION
Digest plugins checks the cryptographic signatures of downloaded files.
Typically you will probably want to use SHA256 via the
L<Digest Negotiator plugin|Alien::Build::Plugin::Digest::Negotiate>.
=over 4
=item L<Alien::Build::Plugin::Digest::Negotiate>
Negotiate the most appropriate plugin to calculate digest.
=item L<Alien::Build::Plugin::Digest::SHA>
Use the XS based L<Digest::SHA> for computing SHA digests. This is the default since
L<Digest::SHA> comes with recent versions of Perl.
=item L<Alien::Build::Plugin::Digest::SHAPP>
Use the pure-perl based L<Digest::SHA::PurePerl> for computing SHA digests.
=back
=head1 SEE ALSO
L<Alien::Build>, L<Alien::Build::Plugin>
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK efl\7j��� � 2 perl5/5.32/Alien/Build/Plugin/Prefer/BadVersion.pmnu ��6�$ package Alien::Build::Plugin::Prefer::BadVersion;
use strict;
use warnings;
use 5.008004;
use Alien::Build::Plugin;
use Carp ();
# ABSTRACT: Plugin to filter out known bad versions
our $VERSION = '2.84'; # VERSION
has '+filter' => sub { Carp::croak("The filter property is required for the Prefer::BadVersion plugin") };
sub init
{
my($self, $meta) = @_;
$meta->add_requires('configure', __PACKAGE__, '1.05');
my $filter;
if(ref($self->filter) eq '')
{
my $string = $self->filter;
$filter = sub {
my($file) = @_;
$file->{version} ne $string;
};
}
elsif(ref($self->filter) eq 'ARRAY')
{
my %filter = map { $_ => 1 } @{ $self->filter };
$filter = sub {
my($file) = @_;
! $filter{$file->{version}};
};
}
elsif(ref($self->filter) eq 'CODE')
{
my $code = $self->filter;
$filter = sub { ! $code->($_[0]) };
}
else
{
Carp::croak("unknown filter type for Prefer::BadVersion");
}
$meta->around_hook(
prefer => sub {
my($orig, $build, @therest) = @_;
my $res1 = $orig->($build, @therest);
return $res1 unless $res1->{type} eq 'list';
return {
type => 'list',
list => [
grep { $filter->($_) } @{ $res1->{list} }
],
};
},
);
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::Plugin::Prefer::BadVersion - Plugin to filter out known bad versions
=head1 VERSION
version 2.84
=head1 SYNOPSIS
use alienfile;
plugin 'Prefer::BadVersion' => '1.2.3';
=head1 DESCRIPTION
This plugin allows you to easily filter out known bad versions of libraries in a share install.
It doesn't affect a system install at all. You need a Prefer plugin that filters and sorts files
first. You may specify the filter in one of three ways:
=over
=item as a string
Filter out any files that match the given version.
use alienfile;
plugin 'Prefer::BadVersion' => '1.2.3';
=item as an array
Filter out all files that match any of the given versions.
use alienfile;
plugin 'Prefer::BadVersion' => [ '1.2.3', '1.2.4' ];
=item as a code reference
Filter out any files return a true value.
use alienfile;
plugin 'Prefer::BadVersion' => sub {
my($file) = @_;
$file->{version} eq '1.2.3'; # same as the string version above
};
=back
This plugin can also be used to filter out known bad versions of a library on just one platform.
For example, if you know that version 1.2.3 if bad on windows, but okay on other platforms:
use alienfile;
plugin 'Prefer::BadVersion' => '1.2.3' if $^O eq 'MSWin32';
=head1 PROPERTIES
=head2 filter
Filter out entries that match the filter.
=head1 CAVEATS
If you are using the string or array mode, then you need an existing Prefer plugin that sets the
version number for each file candidate, such as L<Alien::Build::Plugin::Prefer::SortVersions>.
Unless you want to exclude the latest version from a share install, this plugin isn't really
that useful. It has no effect on system installs, which may not be obvious at first.
=head1 SEE ALSO
=over 4
=item L<alienfile>
=item L<Alien::Build>
=item L<Alien::Build::Plugin::Prefer::SortVersions>
=back
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK hfl\xotrg g 4 perl5/5.32/Alien/Build/Plugin/Prefer/SortVersions.pmnu ��6�$ package Alien::Build::Plugin::Prefer::SortVersions;
use strict;
use warnings;
use 5.008004;
use Alien::Build::Plugin;
# ABSTRACT: Plugin to sort candidates by most recent first
our $VERSION = '2.84'; # VERSION
has 'filter' => undef;
has '+version' => qr/([0-9](?:[0-9\.]*[0-9])?)/;
sub init
{
my($self, $meta) = @_;
$meta->add_requires('share' => 'Sort::Versions' => 0);
$meta->register_hook( prefer => sub {
my(undef, $res) = @_;
my $cmp = sub {
my($A,$B) = map { ($_ =~ $self->version)[0] } @_;
Sort::Versions::versioncmp($B,$A);
};
my @list = sort { $cmp->($a->{filename}, $b->{filename}) }
map {
($_->{version}) = $_->{filename} =~ $self->version;
$_ }
grep { $_->{filename} =~ $self->version }
grep { defined $self->filter ? $_->{filename} =~ $self->filter : 1 }
@{ $res->{list} };
return {
type => 'list',
list => \@list,
};
});
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::Plugin::Prefer::SortVersions - Plugin to sort candidates by most recent first
=head1 VERSION
version 2.84
=head1 SYNOPSIS
use alienfile;
plugin 'Prefer::SortVersions';
=head1 DESCRIPTION
Note: in most case you will want to use L<Alien::Build::Plugin::Download::Negotiate>
instead. It picks the appropriate fetch plugin based on your platform and environment.
In some cases you may need to use this plugin directly instead.
This Prefer plugin sorts the packages that were retrieved from a dir listing, either
directly from a Fetch plugin, or from a Decode plugin. It Returns a listing with the
items sorted from post preferable to least, and filters out any undesirable candidates.
This plugin updates the file list to include the versions that are extracted, so they
can be used by other plugins, such as L<Alien::Build::Plugin::Prefer::BadVersion>.
=head1 PROPERTIES
=head2 filter
This is a regular expression that lets you filter out files that you do not
want to consider downloading. For example, if the directory listing contained
tarballs and readme files like this:
foo-1.0.0.tar.gz
foo-1.0.0.readme
You could specify a filter of C<qr/\.tar\.gz$/> to make sure only tarballs are
considered for download.
=head2 version
Regular expression to parse out the version from a filename. The regular expression
should store the result in C<$1>. The default C<qr/([0-9\.]+)/> is frequently
reasonable.
=head1 SEE ALSO
L<Alien::Build::Plugin::Download::Negotiate>, L<Alien::Build>, L<alienfile>, L<Alien::Build::MM>, L<Alien>
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK jfl\át�� � 3 perl5/5.32/Alien/Build/Plugin/Prefer/GoodVersion.pmnu ��6�$ package Alien::Build::Plugin::Prefer::GoodVersion;
use strict;
use warnings;
use 5.008004;
use Alien::Build::Plugin;
use Carp ();
# ABSTRACT: Plugin to filter known good versions
our $VERSION = '2.84'; # VERSION
has '+filter' => sub { Carp::croak("The filter property is required for the Prefer::GoodVersion plugin") };
sub init
{
my($self, $meta) = @_;
$meta->add_requires('configure', __PACKAGE__, '1.44');
my $filter;
if(ref($self->filter) eq '')
{
my $string = $self->filter;
$filter = sub {
my($file) = @_;
$file->{version} eq $string;
};
}
elsif(ref($self->filter) eq 'ARRAY')
{
my %filter = map { $_ => 1 } @{ $self->filter };
$filter = sub {
my($file) = @_;
!! $filter{$file->{version}};
};
}
elsif(ref($self->filter) eq 'CODE')
{
my $code = $self->filter;
$filter = sub { !! $code->($_[0]) };
}
else
{
Carp::croak("unknown filter type for Prefer::GoodVersion");
}
$meta->around_hook(
prefer => sub {
my($orig, $build, @therest) = @_;
my $res1 = $orig->($build, @therest);
return $res1 unless $res1->{type} eq 'list';
return {
type => 'list',
list => [
grep { $filter->($_) } @{ $res1->{list} }
],
};
},
);
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::Plugin::Prefer::GoodVersion - Plugin to filter known good versions
=head1 VERSION
version 2.84
=head1 SYNOPSIS
use alienfile;
plugin 'Prefer::GoodVersion' => '1.2.3';
=head1 DESCRIPTION
This plugin allows you to specify one or more good versions of a library. This doesn't affect
a system install at all. This plugin does the opposite of the C<Prefer::BadVersion> plugin.
You need need a Prefer plugin that filters and sorts files first. You may specify the filter
in one of three ways:
=over
=item as a string
Filter any files that match the given version.
use alienfile;
plugin 'Prefer::GoodVersion' => '1.2.3';
=item as an array
Filter all files that match any of the given versions.
use alienfile;
plugin 'Prefer::GoodVersion' => [ '1.2.3', '1.2.4' ];
=item as a code reference
Filter any files return a true value.
use alienfile;
plugin 'Prefer::GoodVersion' => sub {
my($file) = @_;
$file->{version} eq '1.2.3'; # same as the string version above
};
=back
This plugin can also be used to filter known good versions of a library on just one platform.
For example, if you know that version 1.2.3 if good on windows, but the default logic is fine
on other platforms:
use alienfile;
plugin 'Prefer::GoodVersion' => '1.2.3' if $^O eq 'MSWin32';
=head1 PROPERTIES
=head2 filter
Filter entries that match the filter.
=head1 CAVEATS
If you are using the string or array mode, then you need an existing Prefer plugin that sets the
version number for each file candidate, such as L<Alien::Build::Plugin::Prefer::SortVersions>.
Unless you want to exclude the latest version from a share install, this plugin isn't really
that useful. It has no effect on system installs, which may not be obvious at first.
=head1 SEE ALSO
=over 4
=item L<alienfile>
=item L<Alien::Build>
=item L<Alien::Build::Plugin::Prefer::SortVersions>
=back
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK ofl\��� � * perl5/5.32/Alien/Build/Plugin/Core/Tail.pmnu ��6�$ package Alien::Build::Plugin::Core::Tail;
use strict;
use warnings;
use 5.008004;
use Alien::Build::Plugin;
# ABSTRACT: Core tail setup plugin
our $VERSION = '2.84'; # VERSION
sub init
{
my($self, $meta) = @_;
if($meta->prop->{out_of_source})
{
$meta->add_requires('configure' => 'Alien::Build' => '1.08');
}
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::Plugin::Core::Tail - Core tail setup plugin
=head1 VERSION
version 2.84
=head1 SYNOPSIS
use alienfile;
# already loaded
=head1 DESCRIPTION
This plugin does some core tail setup for you.
=head1 SEE ALSO
L<Alien::Build>, L<Alien::Base::ModuleBuild>
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK rfl\��MU U + perl5/5.32/Alien/Build/Plugin/Core/Setup.pmnu ��6�$ package Alien::Build::Plugin::Core::Setup;
use strict;
use warnings;
use 5.008004;
use Alien::Build::Plugin;
use Config;
use File::Which qw( which );
# ABSTRACT: Core setup plugin
our $VERSION = '2.84'; # VERSION
sub init
{
my($self, $meta) = @_;
$meta->prop->{platform} ||= {};
$self->_platform($meta->prop->{platform});
}
sub _platform
{
my(undef, $hash) = @_;
if($^O eq 'MSWin32' && $Config{ccname} eq 'cl')
{
$hash->{compiler_type} = 'microsoft';
}
else
{
$hash->{compiler_type} = 'unix';
}
if($^O eq 'MSWin32')
{
$hash->{system_type} = 'windows-unknown';
if(defined &Win32::BuildNumber)
{
$hash->{system_type} = 'windows-activestate';
}
elsif($Config{myuname} =~ /strawberry-perl/)
{
$hash->{system_type} = 'windows-strawberry';
}
elsif($hash->{compiler_type} eq 'microsoft')
{
$hash->{system_type} = 'windows-microsoft';
}
else
{
my $uname_exe = which('uname');
if($uname_exe)
{
my $uname = `$uname_exe`;
if($uname =~ /^(MINGW)(32|64)_NT/)
{
$hash->{system_type} = 'windows-' . lc $1;
}
}
}
}
elsif($^O =~ /^(VMS)$/)
{
# others probably belong in here...
$hash->{system_type} = lc $^O;
}
else
{
$hash->{system_type} = 'unix';
}
$hash->{cpu}{count} =
exists $ENV{ALIEN_CPU_COUNT} && $ENV{ALIEN_CPU_COUNT} > 0
? $ENV{ALIEN_CPU_COUNT}
: _cpu_count();
$hash->{cpu}{arch} = _cpu_arch(\%Config);
}
# Retrieve number of available CPU cores. Adopted from
# <https://metacpan.org/release/MARIOROY/MCE-1.879/source/lib/MCE/Util.pm#L49>
# which is in turn adopted from Test::Smoke::Util with improvements.
sub _cpu_count {
local $ENV{PATH} = $ENV{PATH};
if( $^O ne 'MSWin32' ) {
$ENV{PATH} = "/usr/sbin:/sbin:/usr/bin:/bin:$ENV{PATH}";
}
$ENV{PATH} =~ /(.*)/; $ENV{PATH} = $1; ## Remove tainted'ness
my $ncpu = 1;
OS_CHECK: {
local $_ = lc $^O;
/linux/ && do {
my ( $count, $fh );
if ( open $fh, '<', '/proc/stat' ) {
$count = grep { /^cpu\d/ } <$fh>;
close $fh;
}
$ncpu = $count if $count;
last OS_CHECK;
};
/bsd|darwin|dragonfly/ && do {
chomp( my @output = `sysctl -n hw.ncpu 2>/dev/null` );
$ncpu = $output[0] if @output;
last OS_CHECK;
};
/aix/ && do {
my @output = `lparstat -i 2>/dev/null | grep "^Online Virtual CPUs"`;
if ( @output ) {
$output[0] =~ /(\d+)\n$/;
$ncpu = $1 if $1;
}
if ( !$ncpu ) {
@output = `pmcycles -m 2>/dev/null`;
if ( @output ) {
$ncpu = scalar @output;
} else {
@output = `lsdev -Cc processor -S Available 2>/dev/null`;
$ncpu = scalar @output if @output;
}
}
last OS_CHECK;
};
/gnu/ && do {
chomp( my @output = `nproc 2>/dev/null` );
$ncpu = $output[0] if @output;
last OS_CHECK;
};
/haiku/ && do {
my @output = `sysinfo -cpu 2>/dev/null | grep "^CPU #"`;
$ncpu = scalar @output if @output;
last OS_CHECK;
};
/hp-?ux/ && do {
my $count = grep { /^processor/ } `ioscan -fkC processor 2>/dev/null`;
$ncpu = $count if $count;
last OS_CHECK;
};
/irix/ && do {
my @out = grep { /\s+processors?$/i } `hinv -c processor 2>/dev/null`;
$ncpu = (split ' ', $out[0])[0] if @out;
last OS_CHECK;
};
/osf|solaris|sunos|svr5|sco/ && do {
if (-x '/usr/sbin/psrinfo') {
my $count = grep { /on-?line/ } `psrinfo 2>/dev/null`;
$ncpu = $count if $count;
}
else {
my @output = grep { /^NumCPU = \d+/ } `uname -X 2>/dev/null`;
$ncpu = (split ' ', $output[0])[2] if @output;
}
last OS_CHECK;
};
/mswin|mingw|msys|cygwin/ && do {
if (exists $ENV{NUMBER_OF_PROCESSORS}) {
$ncpu = $ENV{NUMBER_OF_PROCESSORS};
}
last OS_CHECK;
};
warn "CPU count: unknown operating system";
}
$ncpu = 1 if (!$ncpu || $ncpu < 1);
$ncpu;
}
sub _cpu_arch {
my ($my_config) = @_;
my $arch = {};
my %Config = %$my_config;
die "Config missing archname" unless exists $Config{archname};
die "Config missing ptrsize" unless exists $Config{ptrsize};
if( $Config{archname} =~ m/
\b x64 \b # MSWin32-x64
| \b x86_64 \b # x86_64-linux
| \b amd64 \b # amd64-freebsd
/ix) {
$arch = { name => 'x86_64' };
} elsif( $Config{archname} =~ m/
\b x86 \b # MSWin32-x86
| \b i386 \b # freebsd-i386
| \b i486 \b # i486-linux
| \b i686 \b # i686-cygwin
/ix ) {
$arch = { name => 'x86' };
} elsif( $Config{archname} =~ m/
\b darwin \b
/ix ) {
chomp( my $hw_machine = `sysctl -n hw.machine 2>/dev/null` );
HW_MACHINE:
for($hw_machine) {
$_ eq 'arm64' && do {
$arch = { name => 'aarch64' };
last HW_MACHINE;
};
$_ eq 'x86_64' && do {
$arch = { name => $Config{ptrsize} == 8 ? 'x86_64' : 'x86' };
last HW_MACHINE;
};
$_ eq 'i386' && do {
$arch = { name => 'x86' };
last HW_MACHINE;
};
$_ eq 'Power Macintosh' && do {
$arch = { name => $Config{ptrsize} == 8 ? 'ppc64' : 'ppc' };
last HW_MACHINE;
};
warn "Architecture detection: unknown macOS arch hw.machine = $_, ptrsize = $Config{ptrsize}";
$arch = { name => 'unknown' };
}
} elsif( $Config{archname} =~ /
\b aarch64 \b
| \b arm64 \b # arm64-freebsd (FreeBSD can have either aarch64 or arm64)
/ix ) {
$arch = { name => 'aarch64' }; # ARM64
} elsif( $Config{archname} =~ m/
\b arm-linux-gnueabi \b
/ix ) {
# 32-bit ARM soft-float
$arch = { name => 'armel' };
} elsif( $Config{archname} =~ m/
\b arm-linux-gnueabihf \b
/ix ) {
# 32-bit ARM hard-float
$arch = { name => 'armhf' };
}
unless(exists $arch->{name}) {
warn "Architecture detection: Unknown archname '$Config{archname}'.";
$arch->{name} = 'unknown';
}
return $arch;
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::Plugin::Core::Setup - Core setup plugin
=head1 VERSION
version 2.84
=head1 SYNOPSIS
use alienfile;
# already loaded
=head1 DESCRIPTION
This plugin does some core setup for you.
=head1 SEE ALSO
L<Alien::Build>, L<Alien::Base::ModuleBuild>
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK ufl\X�ߕ� � . perl5/5.32/Alien/Build/Plugin/Core/Download.pmnu ��6�$ package Alien::Build::Plugin::Core::Download;
use strict;
use warnings;
use 5.008004;
use Alien::Build::Plugin;
use Path::Tiny ();
use Alien::Build::Util qw( _mirror );
# ABSTRACT: Core download plugin
our $VERSION = '2.84'; # VERSION
sub _hook
{
my($build) = @_;
my $res = $build->fetch;
if($res->{type} =~ /^(?:html|dir_listing)$/)
{
my $type = $res->{type};
$type =~ s/_/ /;
$build->log("decoding $type");
$res = $build->decode($res);
}
if($res->{type} eq 'list')
{
my $orig = $res;
$res = $build->prefer($res);
my @exclude;
if($build->meta->prop->{start_url} =~ /^https:/)
{
@{ $res->{list} } = grep {
$_->{url} =~ /https:/ ? 1 : do {
push @exclude, $_->{url};
0;
}
} @{ $res->{list} };
}
if(@{ $res->{list} } == 0)
{
my @excluded = map { $_->{url} } @{ $orig->{list} };
if(@excluded)
{
if(@excluded > 15)
{
splice @excluded , 14;
push @excluded, '...';
}
$build->log("These files were excluded by the filter stage:");
$build->log("excluded $_") for @excluded;
}
else
{
$build->log("No files found prior to the filter stage");
}
die "no matching files in listing";
}
my $version = $res->{list}->[0]->{version};
my($pick, @other) = map { $_->{url} } @{ $res->{list} };
if(@other > 8)
{
splice @other, 7;
push @other, '...';
}
$build->log("candidate *$pick");
$build->log("candidate $_") for @other;
if(@exclude)
{
if(@exclude > 8)
{
splice @exclude, 7;
push @exclude, '...';
}
$build->log("excluded insecure URLs:");
$build->log($_) for @exclude;
}
$res = $build->fetch($pick);
if($version)
{
$version =~ s/\.+$//;
$build->log("setting version based on archive to $version");
$build->runtime_prop->{version} = $version;
}
}
if($res->{type} eq 'file')
{
my $alienfile = $res->{filename};
$build->log("downloaded $alienfile");
if($res->{content})
{
my $tmp = Alien::Build::TempDir->new($build, "download");
my $path = Path::Tiny->new("$tmp/$alienfile");
$path->spew_raw($res->{content});
$build->install_prop->{download} = $path->stringify;
$build->install_prop->{complete}->{download} = 1;
$build->install_prop->{download_detail}->{"$path"}->{protocol} = $res->{protocol} if defined $res->{protocol};
return $build;
}
elsif($res->{path})
{
if(defined $res->{tmp} && !$res->{tmp})
{
if(-e $res->{path})
{
$build->install_prop->{download} = $res->{path};
$build->install_prop->{complete}->{download} = 1;
$build->install_prop->{download_detail}->{$res->{path}}->{protocol} = $res->{protocol} if defined $res->{protocol};
}
else
{
die "not a file or directory: @{[ $res->{path} ]}";
}
}
else
{
my $from = Path::Tiny->new($res->{path});
my $tmp = Alien::Build::TempDir->new($build, "download");
my $to = Path::Tiny->new("$tmp/@{[ $from->basename ]}");
if(-d $res->{path})
{
# Please note: _mirror and Alien::Build::Util are ONLY
# allowed to be used by core plugins. If you are writing
# a non-core plugin it may be removed. That is why it
# is private.
_mirror $from, $to;
}
else
{
require File::Copy;
File::Copy::copy(
"$from" => "$to",
) || die "copy $from => $to failed: $!";
}
$build->install_prop->{download} = $to->stringify;
$build->install_prop->{complete}->{download} = 1;
$build->install_prop->{download_detail}->{"$to"}->{protocol} = $res->{protocol} if defined $res->{protocol};
}
return $build;
}
die "file without content or path";
}
die "unknown fetch response type: @{[ $res->{type} ]}";
}
sub init
{
my($self, $meta) = @_;
$meta->default_hook(download => \&_hook);
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::Plugin::Core::Download - Core download plugin
=head1 VERSION
version 2.84
=head1 SYNOPSIS
use alienfile;
# already loaded
=head1 DESCRIPTION
This plugin does some core download logic.
=head1 SEE ALSO
L<Alien::Build>, L<Alien::Base::ModuleBuild>
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK wfl\xn;� � 2 perl5/5.32/Alien/Build/Plugin/Core/CleanInstall.pmnu ��6�$ package Alien::Build::Plugin::Core::CleanInstall;
use strict;
use warnings;
use 5.008004;
use Alien::Build::Plugin;
use Path::Tiny ();
# ABSTRACT: Implementation for clean_install hook.
our $VERSION = '2.84'; # VERSION
sub init
{
my($self, $meta) = @_;
$meta->default_hook(
clean_install => sub {
my($build) = @_;
my $root = Path::Tiny->new(
$build->runtime_prop->{prefix}
);
if(-d $root)
{
foreach my $child ($root->children)
{
if($child->basename eq '_alien')
{
$build->log("keeping $child");
}
else
{
$build->log("removing $child");
$child->remove_tree({ safe => 0});
}
}
}
}
);
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::Plugin::Core::CleanInstall - Implementation for clean_install hook.
=head1 VERSION
version 2.84
=head1 SYNOPSIS
use alienfile;
# already loaded
=head1 DESCRIPTION
This plugin implements the default C<clean_install> hook.
You shouldn't use it directly.
=head1 SEE ALSO
L<Alien::Build>, L<Alien::Base::ModuleBuild>
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK zfl\��P�� � , perl5/5.32/Alien/Build/Plugin/Core/Gather.pmnu ��6�$ package Alien::Build::Plugin::Core::Gather;
use strict;
use warnings;
use 5.008004;
use Alien::Build::Plugin;
use Env qw( @PATH @PKG_CONFIG_PATH );
use Path::Tiny ();
use File::chdir;
use Alien::Build::Util qw( _mirror _destdir_prefix );
use JSON::PP ();
# ABSTRACT: Core gather plugin
our $VERSION = '2.84'; # VERSION
sub init
{
my($self, $meta) = @_;
$meta->default_hook(
$_ => sub {},
) for qw( gather_system gather_share );
$meta->around_hook(
gather_share => sub {
my($orig, $build) = @_;
local $ENV{PATH} = $ENV{PATH};
local $ENV{PKG_CONFIG_PATH} = $ENV{PKG_CONFIG_PATH};
unshift @PATH, Path::Tiny->new('bin')->absolute->stringify
if -d 'bin';
for my $dir (qw(share lib)) {
unshift @PKG_CONFIG_PATH, Path::Tiny->new("$dir/pkgconfig")->absolute->stringify
if -d "$dir/pkgconfig";
}
$orig->($build)
}
);
foreach my $type (qw( share ffi ))
{
$meta->around_hook(
"gather_$type" => sub {
my($orig, $build) = @_;
if($build->meta_prop->{destdir})
{
my $destdir = $ENV{DESTDIR};
if(-d $destdir)
{
my $src = Path::Tiny->new(_destdir_prefix($ENV{DESTDIR}, $build->install_prop->{prefix}));
my $dst = Path::Tiny->new($build->install_prop->{stage});
my $res = do {
local $CWD = "$src";
$orig->($build);
};
$build->log("mirror $src => $dst");
$dst->mkpath;
# Please note: _mirror and Alien::Build::Util are ONLY
# allowed to be used by core plugins. If you are writing
# a non-core plugin it may be removed. That is why it
# is private.
_mirror("$src", "$dst", {
verbose => 1,
filter => $build->meta_prop->{$type eq 'share' ? 'destdir_filter' : 'destdir_ffi_filter'},
});
return $res;
}
else
{
die "nothing was installed into destdir" if $type eq 'share';
}
}
else
{
local $CWD = $build->install_prop->{stage};
my $ret = $orig->($build);
# if we are not doing a double staged install we want to substitute the install
# prefix with the runtime prefix.
my $old = $build->install_prop->{prefix};
my $new = $build->runtime_prop->{prefix};
foreach my $flag (qw( cflags cflags_static libs libs_static ))
{
next unless defined $build->runtime_prop->{$flag};
$build->runtime_prop->{$flag} =~ s{(-I|-L|-LIBPATH:)\Q$old\E}{$1 . $new}eg;
}
return $ret;
}
}
);
}
$meta->after_hook(
$_ => sub {
my($build) = @_;
die "stage is not defined. be sure to call set_stage on your Alien::Build instance"
unless $build->install_prop->{stage};
my $stage = Path::Tiny->new($build->install_prop->{stage});
$build->log("mkdir -p $stage/_alien");
$stage->child('_alien')->mkpath;
# drop a alien.json file for the runtime properties
$stage->child('_alien/alien.json')->spew(
JSON::PP->new->pretty->canonical(1)->ascii->encode($build->runtime_prop)
);
# copy the alienfile, if we managed to keep it around.
if($build->meta->filename &&
-r $build->meta->filename &&
$build->meta->filename !~ /\.(pm|pl)$/ &&
! -d $build->meta->filename)
{
Path::Tiny->new($build->meta->filename)
->copy($stage->child('_alien/alienfile'));
}
if($build->install_prop->{patch} && -d $build->install_prop->{patch})
{
# Please note: _mirror and Alien::Build::Util are ONLY
# allowed to be used by core plugins. If you are writing
# a non-core plugin it may be removed. That is why it
# is private.
_mirror($build->install_prop->{patch},
$stage->child('_alien/patch')->stringify);
}
},
) for qw( gather_share gather_system );
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::Plugin::Core::Gather - Core gather plugin
=head1 VERSION
version 2.84
=head1 SYNOPSIS
use alienfile;
# already loaded
=head1 DESCRIPTION
This plugin helps make the gather stage work.
=head1 SEE ALSO
L<Alien::Build>, L<Alien::Base::ModuleBuild>
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK |fl\� Cb� � , perl5/5.32/Alien/Build/Plugin/Core/Legacy.pmnu ��6�$ package Alien::Build::Plugin::Core::Legacy;
use strict;
use warnings;
use 5.008004;
use Alien::Build::Plugin;
# ABSTRACT: Core Alien::Build plugin to maintain compatibility with legacy Alien::Base
our $VERSION = '2.84'; # VERSION
sub init
{
my($self, $meta) = @_;
$meta->after_hook(
$_ => sub {
my($build) = @_;
$build->log("adding legacy hash to config");
my $runtime = $build->runtime_prop;
if($runtime->{cflags} && ! defined $runtime->{cflags_static})
{
$runtime->{cflags_static} = $runtime->{cflags};
}
if($runtime->{libs} && ! defined $runtime->{libs_static})
{
$runtime->{libs_static} = $runtime->{libs};
}
$runtime->{legacy}->{finished_installing} = 1;
$runtime->{legacy}->{install_type} = $runtime->{install_type};
$runtime->{legacy}->{version} = $runtime->{version};
$runtime->{legacy}->{original_prefix} = $runtime->{prefix};
}
) for qw( gather_system gather_share );
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::Plugin::Core::Legacy - Core Alien::Build plugin to maintain compatibility with legacy Alien::Base
=head1 VERSION
version 2.84
=head1 SYNOPSIS
use alienfile;
# already loaded
=head1 DESCRIPTION
This plugin provides some compatibility with the legacy L<Alien::Base::ModuleBuild>
interfaces.
=head1 SEE ALSO
L<Alien::Build>, L<Alien::Base::ModuleBuild>
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK �fl\�A ]� � ) perl5/5.32/Alien/Build/Plugin/Core/FFI.pmnu ��6�$ package Alien::Build::Plugin::Core::FFI;
use strict;
use warnings;
use 5.008004;
use Alien::Build::Plugin;
# ABSTRACT: Core FFI plugin
our $VERSION = '2.84'; # VERSION
sub init
{
my($self, $meta) = @_;
$meta->default_hook(
$_ => sub {},
) for qw( build_ffi gather_ffi );
$meta->prop->{destdir_ffi_filter} = '^dynamic';
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::Plugin::Core::FFI - Core FFI plugin
=head1 VERSION
version 2.84
=head1 SYNOPSIS
use alienfile;
# already loaded
=head1 DESCRIPTION
This plugin helps make the build_ffi work. You should not
need to interact with it directly.
=head1 SEE ALSO
L<Alien::Build>, L<Alien::Base::ModuleBuild>
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK �fl\���� � . perl5/5.32/Alien/Build/Plugin/Core/Override.pmnu ��6�$ package Alien::Build::Plugin::Core::Override;
use strict;
use warnings;
use 5.008004;
use Alien::Build::Plugin;
# ABSTRACT: Core override plugin
our $VERSION = '2.84'; # VERSION
sub init
{
my($self, $meta) = @_;
$meta->default_hook(
override => sub {
my($build) = @_;
return $ENV{ALIEN_INSTALL_TYPE} || '';
},
);
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::Plugin::Core::Override - Core override plugin
=head1 VERSION
version 2.84
=head1 SYNOPSIS
use alienfile;
# already loaded
=head1 DESCRIPTION
This plugin implements the C<ALIEN_INSTALL_TYPE> environment variable.
=head1 SEE ALSO
L<Alien::Build>, L<Alien::Base::ModuleBuild>
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK �fl\�u�x x 3 perl5/5.32/Alien/Build/Plugin/Extract/ArchiveZip.pmnu ��6�$ package Alien::Build::Plugin::Extract::ArchiveZip;
use strict;
use warnings;
use 5.008004;
use Alien::Build::Plugin;
# ABSTRACT: Plugin to extract a tarball using Archive::Zip
our $VERSION = '2.84'; # VERSION
has '+format' => 'zip';
sub handles
{
my($class, $ext) = @_;
return 1 if $ext eq 'zip';
return 0;
}
sub available
{
my(undef, $ext) = @_;
!! ( $ext eq 'zip' && eval { require Archive::Zip; 1} );
}
sub init
{
my($self, $meta) = @_;
$meta->add_requires('share' => 'Archive::Zip' => 0);
$meta->register_hook(
extract => sub {
my($build, $src) = @_;
my $zip = Archive::Zip->new;
$zip->read($src);
$zip->extractTree;
}
);
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::Plugin::Extract::ArchiveZip - Plugin to extract a tarball using Archive::Zip
=head1 VERSION
version 2.84
=head1 SYNOPSIS
use alienfile;
plugin 'Extract::ArchiveZip' => (
format => 'zip',
);
=head1 DESCRIPTION
Note: in most case you will want to use L<Alien::Build::Plugin::Extract::Negotiate>
instead. It picks the appropriate Extract plugin based on your platform and environment.
In some cases you may need to use this plugin directly instead.
B<Note>: Seriously do NOT use this plugin! L<Archive::Zip> is pretty unreliable and
breaks all-the-time. If you use the negotiator plugin mentioned above, then it will
prefer installing L<Alien::unzip>, which is much more reliable than L<Archive::Zip>.
This plugin extracts from an archive in zip format using L<Archive::Zip>.
=head2 format
Gives a hint as to the expected format. This should always be C<zip>.
=head1 METHODS
=head2 handles
Alien::Build::Plugin::Extract::ArchiveZip->handles($ext);
$plugin->handles($ext);
Returns true if the plugin is able to handle the archive of the
given format.
=head2 available
Alien::Build::Plugin::Extract::ArchiveZip->available($ext);
Returns true if the plugin has what it needs right now to extract from the given format
=head1 SEE ALSO
L<Alien::Build::Plugin::Extract::Negotiate>, L<Alien::Build>, L<alienfile>, L<Alien::Build::MM>, L<Alien>
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK �fl\ø.�Y5 Y5 4 perl5/5.32/Alien/Build/Plugin/Extract/CommandLine.pmnu ��6�$ package Alien::Build::Plugin::Extract::CommandLine;
use strict;
use warnings;
use 5.008004;
use Alien::Build::Plugin;
use Path::Tiny ();
use File::Which ();
use File::chdir;
use File::Temp qw( tempdir );
use Capture::Tiny qw( capture_merged );
# ABSTRACT: Plugin to extract an archive using command line tools
our $VERSION = '2.84'; # VERSION
has '+format' => 'tar';
sub gzip_cmd
{
_which('gzip') ? 'gzip' : undef;
}
sub _which { scalar File::Which::which(@_) }
sub bzip2_cmd
{
_which('bzip2') ? 'bzip2' : undef;
}
sub xz_cmd
{
_which('xz') ? 'xz' : undef;
}
{
my $bsd_tar;
# Note: GNU tar can be iffy to very bad on windows, where absolute
# paths get confused with remote tars. We used to assume that 'tar.exe'
# is borked on Windows, but recent versions of Windows 10 come bundled
# with bsdtar (libarchive) named 'tar.exe', and we should definitely
# prefer that to ptar.
sub _windows_tar_is_bsdtar
{
return 1 if $^O ne 'MSWin32';
return $bsd_tar if defined $bsd_tar;
my($out) = capture_merged {
system 'tar', '--version';
};
return $bsd_tar = $out =~ /bsdtar/ ? 1 : 0
}
}
sub tar_cmd
{
_which('bsdtar')
? 'bsdtar'
# Slowlaris /usr/bin/tar doesn't seem to like pax global header
# but seems to have gtar in the path by default, which is okay with it
: $^O eq 'solaris' && _which('gtar')
? 'gtar'
# See note above for Windows logic.
: _which('tar') && _windows_tar_is_bsdtar()
? 'tar'
: _which('ptar')
? 'ptar'
: undef;
};
sub unzip_cmd
{
if($^O eq 'MSWin32' && _which('tar') && _windows_tar_is_bsdtar())
{
(_which('tar'), 'xf');
}
else
{
_which('unzip') ? 'unzip' : undef;
}
}
sub _run
{
my(undef, $build, @cmd) = @_;
$build->log("+ @cmd");
system @cmd;
die "execute failed" if $?;
}
sub _cp
{
my(undef, $build, $from, $to) = @_;
require File::Copy;
$build->log("copy $from => $to");
File::Copy::cp($from, $to) || die "unable to copy: $!";
}
sub _mv
{
my(undef, $build, $from, $to) = @_;
$build->log("move $from => $to");
rename($from, $to) || die "unable to rename: $!";
}
sub _dcon
{
my($self, $src) = @_;
my $name;
my $cmd;
if($src =~ /\.(gz|tgz|Z|taz)$/)
{
$self->gzip_cmd(_which('gzip')) unless defined $self->gzip_cmd;
if($src =~ /\.(gz|tgz)$/)
{
$cmd = $self->gzip_cmd unless $self->_tar_can('tar.gz');
}
elsif($src =~ /\.(Z|taz)$/)
{
$cmd = $self->gzip_cmd unless $self->_tar_can('tar.Z');
}
}
elsif($src =~ /\.(bz2|tbz)$/)
{
$self->bzip2_cmd(_which('bzip2')) unless defined $self->bzip2_cmd;
$cmd = $self->bzip2_cmd unless $self->_tar_can('tar.bz2');
}
elsif($src =~ /\.(xz|txz)$/)
{
$self->xz_cmd(_which('xz')) unless defined $self->xz_cmd;
$cmd = $self->xz_cmd unless $self->_tar_can('tar.xz');
}
if($cmd && $src =~ /\.(gz|bz2|xz|Z)$/)
{
$name = $src;
$name =~ s/\.(gz|bz2|xz|Z)$//g;
}
elsif($cmd && $src =~ /\.(tgz|tbz|txz|taz)$/)
{
$name = $src;
$name =~ s/\.(tgz|tbz|txz|taz)$/.tar/;
}
($name,$cmd);
}
sub handles
{
my($class, $ext) = @_;
my $self = ref $class
? $class
: __PACKAGE__->new;
$ext = 'tar.Z' if $ext eq 'taz';
$ext = 'tar.gz' if $ext eq 'tgz';
$ext = 'tar.bz2' if $ext eq 'tbz';
$ext = 'tar.xz' if $ext eq 'txz';
return 1 if $ext eq 'tar.gz' && $self->_tar_can('tar.gz');
return 1 if $ext eq 'tar.Z' && $self->_tar_can('tar.Z');
return 1 if $ext eq 'tar.bz2' && $self->_tar_can('tar.bz2');
return 1 if $ext eq 'tar.xz' && $self->_tar_can('tar.xz');
return 0 if $ext =~ s/\.(gz|Z)$// && (!$self->gzip_cmd);
return 0 if $ext =~ s/\.bz2$// && (!$self->bzip2_cmd);
return 0 if $ext =~ s/\.xz$// && (!$self->xz_cmd);
return 1 if $ext eq 'tar' && $self->_tar_can('tar');
return 1 if $ext eq 'zip' && $self->_tar_can('zip');
return 0;
}
sub available
{
my(undef, $ext) = @_;
# this is actually the same as handles
__PACKAGE__->handles($ext);
}
sub init
{
my($self, $meta) = @_;
if($self->format eq 'tar.xz' && !$self->handles('tar.xz'))
{
$meta->add_requires('share' => 'Alien::xz' => '0.06');
}
elsif($self->format eq 'tar.bz2' && !$self->handles('tar.bz2'))
{
$meta->add_requires('share' => 'Alien::Libbz2' => '0.22');
}
elsif($self->format =~ /^tar\.(gz|Z)$/ && !$self->handles($self->format))
{
$meta->add_requires('share' => 'Alien::gzip' => '0.03');
}
elsif($self->format eq 'zip' && !$self->handles('zip'))
{
$meta->add_requires('share' => 'Alien::unzip' => '0');
}
$meta->register_hook(
extract => sub {
my($build, $src) = @_;
my($dcon_name, $dcon_cmd) = _dcon($self, $src);
if($dcon_name)
{
unless($dcon_cmd)
{
die "unable to decompress $src";
}
# if we have already decompressed, then keep it.
unless(-f $dcon_name)
{
# we don't use pipes, because that may not work on Windows.
# keep the original archive, in case another extract
# plugin needs it. keep the decompressed archive
# in case WE need it again.
my $src_tmp = Path::Tiny::path($src)
->parent
->child('x'.Path::Tiny::path($src)->basename);
my $dcon_tmp = Path::Tiny::path($dcon_name)
->parent
->child('x'.Path::Tiny::path($dcon_name)->basename);
$self->_cp($build, $src, $src_tmp);
$self->_run($build, $dcon_cmd, "-d", $src_tmp);
$self->_mv($build, $dcon_tmp, $dcon_name);
}
$src = $dcon_name;
}
if($src =~ /\.zip$/i)
{
$self->_run($build, $self->unzip_cmd, $src);
}
elsif($src =~ /\.tar/ || $src =~ /(\.tgz|\.tbz|\.txz|\.taz)$/i)
{
$self->_run($build, $self->tar_cmd, '-xf', $src);
}
else
{
die "not sure of archive type from extension";
}
}
);
}
my %tars;
sub _tar_can
{
my($self, $ext) = @_;
unless(%tars)
{
my $name = '';
local $_; # to avoid dynamically scoped read-only $_ from upper scopes
while(my $line = <DATA>)
{
if($line =~ /^\[ (.*) \]$/)
{
$name = $1;
}
else
{
$tars{$name} .= $line;
}
}
foreach my $key (keys %tars)
{
$tars{$key} = unpack "u", $tars{$key};
}
}
my $name = "xx.$ext";
return 0 unless $tars{$name};
local $CWD = tempdir( CLEANUP => 1 );
my $cleanup = sub {
my $save = $CWD;
unlink $name;
unlink 'xx.txt';
$CWD = '..';
rmdir $save;
};
Path::Tiny->new($name)->spew_raw($tars{$name});
my @cmd = ($self->tar_cmd, 'xf', $name);
if($ext eq 'zip')
{
@cmd = ($self->unzip_cmd, $name);
}
my(undef, $exit) = capture_merged {
system(@cmd);
$?;
};
if($exit)
{
$cleanup->();
return 0;
}
my $content = eval { Path::Tiny->new('xx.txt')->slurp };
$cleanup->();
return defined $content && $content eq "xx\n";
}
1;
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::Plugin::Extract::CommandLine - Plugin to extract an archive using command line tools
=head1 VERSION
version 2.84
=head1 SYNOPSIS
use alienfile;
plugin 'Extract::CommandLine' => (
format => 'tar.gz',
);
=head1 DESCRIPTION
Note: in most case you will want to use L<Alien::Build::Plugin::Extract::Negotiate>
instead. It picks the appropriate Extract plugin based on your platform and environment.
In some cases you may need to use this plugin directly instead.
This plugin extracts from an archive in various formats using command line tools.
=head1 PROPERTIES
=head2 format
Gives a hint as to the expected format.
=head2 gzip_cmd
The C<gzip> command, if available. C<undef> if not available.
=head2 bzip2_cmd
The C<bzip2> command, if available. C<undef> if not available.
=head2 xz_cmd
The C<xz> command, if available. C<undef> if not available.
=head2 tar_cmd
The C<tar> command, if available. C<undef> if not available.
=head2 unzip_cmd
The C<unzip> command, if available. C<undef> if not available.
=head1 METHODS
=head2 handles
Alien::Build::Plugin::Extract::CommandLine->handles($ext);
$plugin->handles($ext);
Returns true if the plugin is able to handle the archive of the
given format.
=head2 available
Alien::Build::Plugin::Extract::CommandLine->available($ext);
Returns true if the plugin is available to extract without
installing anything new.
=head1 SEE ALSO
L<Alien::Build::Plugin::Extract::Negotiate>, L<Alien::Build>, L<alienfile>, L<Alien::Build::MM>, L<Alien>
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
__DATA__
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[ xx.tar.Z ]
M'YV0>/"XH(.'#H"#"!,J7,BPH<.'$"-*1`BCH@T:-$``J`CCAHT:&CG"D)%Q
MH\B3,T#$F$%C1@T8+6G(D`$"1@P9-V#,`%!SHL^?0(,*!5!G#ITP<DR^8<,F
MS9PS0Q<:#6/&3-2%)V&$/*GQJM>O8,.*'1I0P=BS:-.J7<NVK=NW<./*G4NW
7KMV[>//JW<NWK]^_@`,+'DRXL.'#0P$`
[ xx.tar.bz2 ]
M0EIH.3%!629365(,+ID``$A[D-$0`8!``7^``!!AI)Y`!```""``=!JGIBC3
M30&CU`]($HHTTR:`>D#0)SI*Z'R%H*J"&3@H]P@J>U$F5BMHOC`$L-"8C!(V
I"`'?*WA:(9*4U)@4)+"(V%.G]#W(_E6B'J8G]D`/Q=R13A0D%(,+ID``
[ xx.tar.gz ]
M'XL("!)'=%P``WAX+G1A<@"KJ-`KJ2AAH"DP,#`P,S%1`-'F9J9@VL`(PH<"
M8P5#8Q-C4P,38Q,C(P4#0R-S`V,&!0/:.@L"2HM+$HN`3LG/R<DL3L>M#J@L
E+0V/.1"/*,#I(0(J*K@&V@FC8!2,@E$P"@8````U:,3F``@`````
[ xx.tar.xz ]
M_3=Z6%H```3FUK1&`@`A`18```!T+^6CX`?_`&!=`#Q@M.AX.4O&N38V648.
M[J6L\\<_[3M*R;CASOTX?B.F\V:^)+G;\YY4"!4MLF9`*\N40G=O+K,J0"NF
M0VU7J%NN(A,R^DM8@/(_YGR5CAO+1CS_YNHE:,1!G%6L1\GT``"[$^?"O*"!
9`P`!?(`0````:OY*7K'$9_L"``````196@``
[ xx.zip ]
M4$L#!`H``````%5V64X:^I"B`P````,````&`!P`>'@N='AT550)``,21W1<
M$D=T7'5X"P`!!/4!```$%````'AX"E!+`0(>`PH``````%5V64X:^I"B`P``
M``,````&`!@```````$```"D@0````!X>"YT>'155`4``Q)'=%QU>`L``03U
>`0``!!0```!02P4&``````$``0!,````0P``````
PK �fl\�4��
�
2 perl5/5.32/Alien/Build/Plugin/Extract/Directory.pmnu ��6�$ package Alien::Build::Plugin::Extract::Directory;
use strict;
use warnings;
use 5.008004;
use Alien::Build::Plugin;
use Alien::Build::Util qw( _mirror );
use Path::Tiny ();
# ABSTRACT: Plugin to extract a downloaded directory to a build directory
our $VERSION = '2.84'; # VERSION
has '+format' => 'd';
sub handles
{
my(undef, $ext) = @_;
$ext eq 'd' ? 1 : ();
}
sub available
{
my(undef, $ext) = @_;
__PACKAGE__->handles($ext);
}
sub init
{
my($self, $meta) = @_;
$meta->register_hook(
extract => sub {
my($build, $src) = @_;
die "not a directory: $src" unless -d $src;
if($build->meta_prop->{out_of_source})
{
$build->install_prop->{extract} = Path::Tiny->new($src)->absolute->stringify;
}
else
{
my $dst = Path::Tiny->new('.')->absolute;
# Please note: _mirror and Alien::Build::Util are ONLY
# allowed to be used by core plugins. If you are writing
# a non-core plugin it may be removed. That is why it
# is private.
_mirror $src => $dst, { verbose => 1 };
}
}
);
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::Plugin::Extract::Directory - Plugin to extract a downloaded directory to a build directory
=head1 VERSION
version 2.84
=head1 SYNOPSIS
use alienfile;
plugin 'Extract::Directory';
=head1 DESCRIPTION
Some Download or Fetch plugins may produce a directory instead of an archive
file. This plugin is used to mirror the directory from the Download step
into a fresh directory in the Extract step. An example of when you might use
this plugin is if you were using the C<git> command in the Download step,
which results in a directory hierarchy.
=head1 PROPERTIES
=head2 format
Should always set to C<d> (for directories).
=head1 METHODS
=head2 handles
Alien::Build::Plugin::Extract::Directory->handles($ext);
$plugin->handles($ext);
Returns true if the plugin is able to handle the archive of the
given format. Only returns true for C<d> (for directory).
=head2 available
Alien::Build::Plugin::Extract::Directory->available($ext);
$plugin->available($ext);
Returns true if the plugin can extract the given format with
what is already installed.
=head1 SEE ALSO
L<Alien::Build::Plugin::Extract::Negotiate>, L<Alien::Build::Plugin::Extract::File>, L<Alien::Build>, L<alienfile>, L<Alien::Build::MM>, L<Alien>
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK �fl\�Y
3 perl5/5.32/Alien/Build/Plugin/Extract/ArchiveTar.pmnu ��6�$ package Alien::Build::Plugin::Extract::ArchiveTar;
use strict;
use warnings;
use 5.008004;
use Alien::Build::Plugin;
use File::chdir;
use File::Temp ();
use Path::Tiny ();
# ABSTRACT: Plugin to extract a tarball using Archive::Tar
our $VERSION = '2.84'; # VERSION
has '+format' => 'tar';
sub handles
{
my(undef, $ext) = @_;
return 1 if $ext =~ /^(tar|tar\.gz|tar\.bz2|tar\.xz|tbz|taz|txz)$/;
return 0;
}
sub available
{
my(undef, $ext) = @_;
if($ext eq 'tar.gz')
{
return !! eval { require Archive::Tar; Archive::Tar->has_zlib_support };
}
elsif($ext eq 'tar.bz2')
{
return !! eval { require Archive::Tar; Archive::Tar->has_bzip2_support && __PACKAGE__->_can_bz2 };
}
elsif($ext eq 'tar.xz')
{
return !! eval { require Archive::Tar; Archive::Tar->has_xz_support };
}
else
{
return $ext eq 'tar';
}
}
sub init
{
my($self, $meta) = @_;
$meta->add_requires('share' => 'Archive::Tar' => 0);
if($self->format eq 'tar.gz' || $self->format eq 'tgz')
{
$meta->add_requires('share' => 'IO::Zlib' => 0);
}
elsif($self->format eq 'tar.bz2' || $self->format eq 'tbz')
{
$meta->add_requires('share' => 'IO::Uncompress::Bunzip2' => 0);
$meta->add_requires('share' => 'IO::Compress::Bzip2' => 0);
}
elsif($self->format eq 'tar.xz' || $self->format eq 'txz')
{
$meta->add_requires('share' => 'Archive::Tar' => 2.34);
$meta->add_requires('share' => 'IO::Uncompress::UnXz' => 0);
}
$meta->register_hook(
extract => sub {
my($build, $src) = @_;
my $tar = Archive::Tar->new;
$tar->read($src);
$tar->extract;
}
);
}
sub _can_bz2
{
# even when Archive::Tar reports that it supports bz2, I can sometimes get this error:
# 'Cannot read enough bytes from the tar file', so lets just probe for actual support!
my $dir = Path::Tiny->new(File::Temp::tempdir( CLEANUP => 1 ));
eval {
local $CWD = $dir;
my $tarball = unpack "u", q{M0EIH.3%!62936=+(]$0``$A[D-$0`8!``7^``!!AI)Y`!```""``=!JGIH-(MT#0]0/2!**---&F@;4#0&:D;X?(6@JH(2<%'N$%3VHC-9E>S/N@"6&I*1@GNJNHCC2>$I5(<0BKR.=XBZ""HVZ;T,CV\LJ!K&*?9`#\7<D4X4)#2R/1$`};
Path::Tiny->new('xx.tar.bz2')->spew_raw($tarball);
require Archive::Tar;
my $tar = Archive::Tar->new;
$tar->read('xx.tar.bz2');
$tar->extract;
my $content = Path::Tiny->new('xx.txt')->slurp;
die unless $content && $content eq "xx\n";
};
my $error = $@;
$dir->remove_tree;
!$error;
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::Plugin::Extract::ArchiveTar - Plugin to extract a tarball using Archive::Tar
=head1 VERSION
version 2.84
=head1 SYNOPSIS
use alienfile;
plugin 'Extract::ArchiveTar' => (
format => 'tar.gz',
);
=head1 DESCRIPTION
Note: in most case you will want to use L<Alien::Build::Plugin::Extract::Negotiate>
instead. It picks the appropriate Extract plugin based on your platform and environment.
In some cases you may need to use this plugin directly instead.
This plugin extracts from an archive in tarball format (optionally compressed by either
gzip or bzip2) using L<Archive::Tar>.
=head1 PROPERTIES
=head2 format
Gives a hint as to the expected format. This helps make sure the prerequisites are set
correctly, since compressed archives require extra Perl modules to be installed.
=head1 METHODS
=head2 handles
Alien::Build::Plugin::Extract::ArchiveTar->handles($ext);
$plugin->handles($ext);
Returns true if the plugin is able to handle the archive of the
given format.
=head2 available
Alien::Build::Plugin::Extract::ArchiveTar->available($ext);
Returns true if the plugin has what it needs right now to extract from the given format
=head1 SEE ALSO
L<Alien::Build::Plugin::Extract::Negotiate>, L<Alien::Build>, L<alienfile>, L<Alien::Build::MM>, L<Alien>
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK �fl\�.�i� � - perl5/5.32/Alien/Build/Plugin/Extract/File.pmnu ��6�$ package Alien::Build::Plugin::Extract::File;
use strict;
use warnings;
use 5.008004;
use Alien::Build::Plugin;
use Alien::Build::Util qw( _mirror );
use Path::Tiny ();
# ABSTRACT: Plugin to extract a downloaded file to a build directory
our $VERSION = '2.84'; # VERSION
has '+format' => 'f';
sub handles
{
my(undef, $ext) = @_;
$ext eq 'f' ? 1 : ();
}
sub available
{
my(undef, $ext) = @_;
__PACKAGE__->handles($ext);
}
sub init
{
my($self, $meta) = @_;
$meta->register_hook(
extract => sub {
my($build, $src) = @_;
die "not a file: $src" unless -f $src;
$src = Path::Tiny->new($src)->absolute->parent;;
my $dst = Path::Tiny->new('.')->absolute;
# Please note: _mirror and Alien::Build::Util are ONLY
# allowed to be used by core plugins. If you are writing
# a non-core plugin it may be removed. That is why it
# is private.
$build->log("extracting $src => $dst");
_mirror $src => $dst, { verbose => 1 };
}
);
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::Plugin::Extract::File - Plugin to extract a downloaded file to a build directory
=head1 VERSION
version 2.84
=head1 SYNOPSIS
use alienfile;
plugin 'Extract::File';
=head1 DESCRIPTION
Some Download or Fetch plugins may produce a single file (usually an executable)
instead of an archive file. This plugin is used to mirror the file from
the Download step into a fresh directory in the Extract step.
=head1 PROPERTIES
=head2 format
Should always set to C<f> (for file).
=head1 METHODS
=head2 handles
Alien::Build::Plugin::Extract::File->handles($ext);
$plugin->handles($ext);
Returns true if the plugin is able to handle the archive of the
given format. Only returns true for C<f> (for file).
=head2 available
Alien::Build::Plugin::Extract::File->available($ext);
$plugin->available($ext);
Returns true if the plugin can extract the given format with
what is already installed.
=head1 SEE ALSO
L<Alien::Build::Plugin::Extract::Negotiate>, L<Alien::Build::Plugin::Extract::File>, L<Alien::Build>, L<alienfile>, L<Alien::Build::MM>, L<Alien>
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK �fl\M��(_ _ 2 perl5/5.32/Alien/Build/Plugin/Extract/Negotiate.pmnu ��6�$ package Alien::Build::Plugin::Extract::Negotiate;
use strict;
use warnings;
use 5.008004;
use Alien::Build::Plugin;
use Alien::Build::Plugin::Extract::ArchiveTar;
use Alien::Build::Plugin::Extract::ArchiveZip;
use Alien::Build::Plugin::Extract::CommandLine;
use Alien::Build::Plugin::Extract::Directory;
# ABSTRACT: Extraction negotiation plugin
our $VERSION = '2.84'; # VERSION
has '+format' => 'tar';
sub init
{
my($self, $meta) = @_;
my $format = $self->format;
$format = 'tar.gz' if $format eq 'tgz';
$format = 'tar.bz2' if $format eq 'tbz';
$format = 'tar.xz' if $format eq 'txz';
my $plugin = $self->pick($format);
$meta->apply_plugin($plugin, format => $format);
$self;
}
sub pick
{
my(undef, $format) = @_;
if($format =~ /^tar(\.(gz|bz2))?$/)
{
if(Alien::Build::Plugin::Extract::ArchiveTar->available($format))
{
return 'Extract::ArchiveTar';
}
else
{
return 'Extract::CommandLine';
}
}
elsif($format eq 'zip')
{
# Archive::Zip is not that reliable. But if it is already installed it is probably working
if(Alien::Build::Plugin::Extract::ArchiveZip->available($format))
{
return 'Extract::ArchiveZip';
}
# If it isn't available, then use the command-line unzip. Alien::unzip will be used
# as necessary in environments where it isn't already installed.
else
{
return 'Extract::CommandLine';
}
}
elsif($format eq 'tar.xz')
{
# The windows version of tar.exe (which is based on BSD tar) will try to use external
# program xz to decompress tar.xz files if it is available. The default windows
# install does not have this in the PATH, but if it IS in the PATH then it often
# or always can hang, so the pure Perl Archive::Tar is more reliable on that platform,
# but will require a newer version of Archive::Tar and IO::Uncompress::UnXz
if(Alien::Build::Plugin::Extract::ArchiveTar->available('tar.xz') || $^O eq 'MSWin32')
{
return 'Extract::ArchiveTar';
}
else
{
return 'Extract::CommandLine';
}
}
elsif($format eq 'tar.Z')
{
return 'Extract::CommandLine';
}
elsif($format eq 'd')
{
return 'Extract::Directory';
}
elsif($format eq 'f')
{
return 'Extract::File';
}
else
{
die "do not know how to handle format: $format";
}
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::Plugin::Extract::Negotiate - Extraction negotiation plugin
=head1 VERSION
version 2.84
=head1 SYNOPSIS
use alienfile;
plugin 'Extract' => (
format => 'tar.gz',
);
=head1 DESCRIPTION
This is a negotiator plugin for extracting packages downloaded from the internet.
This plugin picks the best Extract plugin to do the actual work. Which plugins are
picked depend on the properties you specify, your platform and environment. It is
usually preferable to use a negotiator plugin rather than using a specific Extract
Plugin from your L<alienfile>.
=head1 PROPERTIES
=head2 format
The expected format for the download. Possible values include:
C<tar>, C<tar.gz>, C<tar.bz2>, C<tar.xz>, C<zip>, C<d>.
=head1 METHODS
=head2 pick
my $name = Alien::Build::Plugin::Extract::Negotiate->pick($format);
Returns the name of the best plugin for the given format.
=head1 SEE ALSO
L<Alien::Build>, L<alienfile>, L<Alien::Build::MM>, L<Alien>
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK �fl\�15� � ( perl5/5.32/Alien/Build/Plugin/Prefer.podnu ��6�$ # PODNAME: Alien::Build::Plugin::Prefer
# ABSTRACT: Prefer Alien::Build plugins
# VERSION
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::Plugin::Prefer - Prefer Alien::Build plugins
=head1 VERSION
version 2.84
=head1 SYNOPSIS
use alienfile;
share {
start_url 'http://ftp.gnu.org/gnu/make';
plugin 'Download';
};
=head1 DESCRIPTION
Prefer plugins sort
Decode plugins decode HTML and FTP file listings. Normally you
will want to use the L<Alien::Build::Plugin::Download::Negotiate>
plugin which will automatically load the appropriate Prefer plugins.
=over 4
=item L<Alien::Build::Plugin::Prefer::BadVersion>
Filter out known bad versions from a candidate list.
=item L<Alien::Build::Plugin::Prefer::GoodVersion>
Require specific known good versions from a candidate list.
=item L<Alien::Build::Plugin::Prefer::SortVersions>
Sort candidates by version.
=back
=head1 SEE ALSO
L<Alien::Build>, L<Alien::Build::Plugin>
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK �fl\V5� � ( perl5/5.32/Alien/Build/Plugin/Decode.podnu ��6�$ # PODNAME: Alien::Build::Plugin::Decode
# ABSTRACT: Decode Alien::Build plugins
# VERSION
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::Plugin::Decode - Decode Alien::Build plugins
=head1 VERSION
version 2.84
=head1 SYNOPSIS
use alienfile;
plugin 'Decode::HTML';
plugin 'Decode::DirListing';
=head1 DESCRIPTION
Decode plugins decode HTML and FTP file listings. Normally you
will want to use the L<Alien::Build::Plugin::Download::Negotiate>
plugin which will automatically load the appropriate Decode plugins.
=over 4
=item L<Alien::Build::Plugin::Decode::DirListing>
Default decoder for FTP file listings, that uses the pure-perl L<File::Listing>.
=item L<Alien::Build::Plugin::Decode::DirListingFtpcopy>
Another decoder for FTP file listings, that uses the XS module L<File::Listing::Ftpcopy>.
=item L<Alien::Build::Plugin::Decode::HTML>
Older decoder for HTML file listings, which uses the XS module L<HTML::LinkExtor>. This
used to be the default decoder until L<Alien::Build> version 1.75. In some cases, this
will be used as the HTML decoder if you configure with L<Alien::Build> prior to 1.75
and but upgrade to a more recent version for the build stage of your L<Alien>
=item L<Alien::Build::Plugin::Decode::Mojo>
Newer decoder for HTML file listings, which uses the pure-perl L<Mojo::DOM> or L<Mojo::DOM58>.
This became the default decoder at L<Alien::Build> version 1.75.
=back
=head1 SEE ALSO
L<Alien::Build>, L<Alien::Build::Plugin>
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK �fl\��r9- 9- * perl5/5.32/Alien/Build/Plugin/Test/Mock.pmnu ��6�$ package Alien::Build::Plugin::Test::Mock;
use strict;
use warnings;
use 5.008004;
use Alien::Build::Plugin;
use Carp ();
use Path::Tiny ();
use File::chdir;
# ABSTRACT: Mock plugin for testing
our $VERSION = '2.84'; # VERSION
has 'probe';
has 'download';
has 'extract';
has 'build';
has 'gather';
has check_digest => 1;
sub init
{
my($self, $meta) = @_;
if(my $probe = $self->probe)
{
if($probe =~ /^(share|system)$/)
{
$meta->register_hook(
probe => sub {
$probe;
},
);
}
elsif($probe eq 'die')
{
$meta->register_hook(
probe => sub {
die "fail";
},
);
}
else
{
Carp::croak("usage: plugin 'Test::Mock' => ( probe => $probe ); where $probe is one of share, system or die");
}
}
if(my $download = $self->download)
{
$download = { 'foo-1.00.tar.gz' => _tarball() } unless ref $download eq 'HASH';
$meta->register_hook(
download => sub {
my($build) = @_;
_fs($build, $download, 1);
},
);
}
if(my $extract = $self->extract)
{
$extract = {
'foo-1.00' => {
'configure' => _tarball_configure(),
'foo.c' => _tarball_foo_c(),
},
} unless ref $extract eq 'HASH';
$meta->register_hook(
extract => sub {
my($build) = @_;
_fs($build, $extract);
},
);
}
if(my $build = $self->build)
{
$build = [
{
'foo.o', => _build_foo_o(),
'libfoo.a' => _build_libfoo_a(),
},
{
'lib' => {
'libfoo.a' => _build_libfoo_a(),
'pkgconfig' => {
'foo.pc' => sub {
my($build) = @_;
"prefix=$CWD\n" .
"exec_prefix=\${prefix}\n" .
"libdir=\${prefix}/lib\n" .
"includedir=\${prefix}/include\n" .
"\n" .
"Name: libfoo\n" .
"Description: libfoo\n" .
"Version: 1.0.0\n" .
"Cflags: -I\${includedir}\n" .
"Libs: -L\${libdir} -lfoo\n";
},
},
},
},
] unless ref $build eq 'ARRAY';
my($build_dir, $install_dir) = @$build;
$meta->register_hook(
build => sub {
my($build) = @_;
_fs($build, $build_dir);
local $CWD = $build->install_prop->{prefix};
_fs($build, $install_dir);
},
);
}
if(my $gather = $self->gather)
{
$meta->register_hook(
$_ => sub {
my($build) = @_;
if(ref $gather eq 'HASH')
{
foreach my $key (keys %$gather)
{
$build->runtime_prop->{$key} = $gather->{$key};
}
}
else
{
my $prefix = $build->runtime_prop->{prefix};
$build->runtime_prop->{cflags} = "-I$prefix/include";
$build->runtime_prop->{libs} = "-L$prefix/lib -lfoo";
}
},
) for qw( gather_share gather_system );
}
if(my $cd = $self->check_digest)
{
$meta->register_hook(
check_digest => ref($cd) eq 'CODE' ? $cd : sub {
my($build, $file, $algorithm, $digest) = @_;
if($algorithm ne 'FOO92')
{
return 'FAKE';
}
if($digest eq 'deadbeaf')
{
return 1;
}
else
{
die "Digest FAKE does not match: got deadbeaf, expected $digest";
}
}
);
$meta->register_hook(
check_download => sub {
my($build) = @_;
my $path = $build->install_prop->{download};
if(defined $path)
{
$build->check_digest($path);
}
},
);
}
}
sub _fs
{
my($build, $hash, $download) = @_;
foreach my $key (sort keys %$hash)
{
my $val = $hash->{$key};
if(ref $val eq 'HASH')
{
mkdir $key;
local $CWD = $key;
_fs($build,$val);
}
elsif(ref $val eq 'CODE')
{
my $path = Path::Tiny->new($key)->absolute;
$path->spew_raw($val->($build));
if($download)
{
$build->install_prop->{download_detail}->{"$path"}->{protocol} = 'file';
$build->install_prop->{download_detail}->{"$path"}->{digest} = [ FAKE => 'deadbeaf' ];
}
}
elsif(defined $val)
{
my $path = Path::Tiny->new($key)->absolute;
$path->spew_raw($val);
if($download)
{
$build->install_prop->{download_detail}->{"$path"}->{protocol} = 'file';
$build->install_prop->{download_detail}->{"$path"}->{digest} = [ FAKE => 'deadbeaf' ];
}
}
}
}
sub _tarball
{
return unpack 'u', <<'EOF';
M'XL(`+DM@5@``^V4P4K$,!"&>YZGF-V]J*SM9#=)#RN^B'BHV;0)U`32U(OX
M[D;0*LJREZVRF.\R?TA@)OS\TWI_S4JBJI@/(JJ%P%19+>AKG4"V)4Z;C922
M(;T=6(%BQIDFQB$V(8WB^]X.W>%WQ^[?_S'5,Z']\%]YU]IN#/KT/8[ZO^6?
M_B=-C-=<%$BG'^4G_]S_U:)ZL*X:#(!6QN/26(Q&![W<P5_/EIF?*?])E&J>
M'BD/DO/#^6<DON__6O*<_]]@99WJQ[W&FR'NK2_-+8!U$1X;ZRZ2P"9T:HW*
D-`&ODGZZN[^$9T`,.H[!(>W@)2^*3":3.3]>`:%LBYL`#@``
`
EOF
}
sub _tarball_configure
{
return unpack 'u', <<'EOF';
<(R$O8FEN+W-H"@IE8VAO(")H:2!T:&5R92(["@``
`
EOF
}
sub _tarball_foo_c
{
return unpack 'u', <<'EOF';
M(VEN8VQU9&4@/'-T9&EO+F@^"@II;G0*;6%I;BAI;G0@87)G8RP@8VAA<B`J
887)G=EM=*0I["B`@<F5T=7)N(#`["GT*
`
EOF
}
sub _build_foo_o
{
return unpack 'u', <<'EOF';
MS_KM_@<```$#`````0````0```"P`0```"`````````9````.`$`````````
M`````````````````````````&@`````````T`$```````!H``````````<`
M```'`````P````````!?7W1E>'0`````````````7U]415A4````````````
M````````````"`````````#0`0``!`````````````````0`@```````````
M`````%]?8V]M<&%C=%]U;G=I;F1?7TQ$````````````````"``````````@
M`````````-@!```#````.`(```$````````"````````````````7U]E:%]F
M<F%M90```````%]?5$585``````````````H`````````$``````````^`$`
M``,```````````````L``&@````````````````D````$``````-"@``````
M`@```!@```!``@```0```%`"```(````"P```%`````````````````````!
M`````0``````````````````````````````````````````````````````
M``````````````````!52(GE,<!=PP``````````"`````````$`````````
M````````````%``````````!>E(``7@0`1`,!PB0`0``)````!P```"X____
M_____P@``````````$$.$(8"0PT&```````````````!```&`0````\!````
/``````````!?;6%I;@``
`
EOF
}
sub _build_libfoo_a
{
return unpack 'u', <<'EOF';
M(3QA<F-H/@HC,2\R,"`@("`@("`@("`@,34S,S$U-38Q."`@-3`Q("`@,C`@
M("`@,3`P-C0T("`T-"`@("`@("`@8`I?7RY364U$148@4T]25$5$``````@`
M````````<`````@```!?;6%I;@```",Q+S$R("`@("`@("`@("`Q-3,S,34U
M-#8X("`U,#$@("`R,"`@("`Q,#`V-#0@(#8Q,B`@("`@("!@"F9O;RYO````
M`````,_Z[?X'```!`P````$````$````L`$````@````````&0```#@!````
M``````````````````````````````!H`````````-`!````````:```````
M```'````!P````,`````````7U]T97AT`````````````%]?5$585```````
M``````````````````@`````````T`$```0````````````````$`(``````
M``````````!?7V-O;7!A8W1?=6YW:6YD7U],1`````````````````@`````
M````(`````````#8`0```P```#@"```!`````````@```````````````%]?
M96A?9G)A;64```````!?7U1%6%0`````````````*`````````!`````````
M`/@!```#```````````````+``!H````````````````)````!``````#0H`
M``````(````8````0`(```$```!0`@``"`````L```!0````````````````
M`````0````$`````````````````````````````````````````````````
M````````````````````````54B)Y3'`7<,```````````@````````!````
M`````````````````!0``````````7I2``%X$`$0#`<(D`$``"0````<````
MN/________\(``````````!!#A"&`D,-!@```````````````0``!@$````/
3`0``````````````7VUA:6X`````
`
EOF
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::Plugin::Test::Mock - Mock plugin for testing
=head1 VERSION
version 2.84
=head1 SYNOPSIS
use alienfile;
plugin 'Test::Mock' => (
probe => 'share',
download => 1,
extract => 1,
build => 1,
gather => 1,
);
=head1 DESCRIPTION
This plugin is used for testing L<Alien::Build> plugins. Usually you only want to test
one or two phases in an L<alienfile> for your plugin, but you still have to have a fully
formed L<alienfile> that contains all required phases. This plugin lets you fill in the
other phases with the appropriate hooks. This is usually better than using real plugins
which may pull in additional dynamic requirements that you do not want to rely on at
test time.
=head1 PROPERTIES
=head2 probe
plugin 'Test::Mock' => (
probe => $probe,
);
Override the probe behavior by one of the following:
=over
=item share
For a C<share> build.
=item system
For a C<system> build.
=item die
To throw an exception in the probe hook. This will usually cause L<Alien::Build>
to try the next probe hook, if available, or to assume a C<share> install.
=back
=head2 download
plugin 'Test::Mock' => (
download => \%fs_spec,
);
plugin 'Test::Mock' => (
download => 1,
);
Mock out a download. The C<%fs_spec> is a hash where the hash values are directories
and the string values are files. This a spec like this:
plugin 'Test::Mock' => (
download => {
'foo-1.00' => {
'README.txt' => "something to read",
'foo.c' => "#include <stdio.h>\n",
"int main() {\n",
" printf(\"hello world\\n\");\n",
"}\n",
}
},
);
Would generate two files in the directory 'foo-1.00', a C<README.txt> and a C file named C<foo.c>.
The default, if you provide a true non-hash value is to generate a single tarball with the name
C<foo-1.00.tar.gz>.
=head2 extract
plugin 'Test::Mock' => (
extract => \%fs_spec,
);
plugin 'Test::Mock' => (
extract => 1,
);
Similar to C<download> above, but for the C<extract> phase.
=head2 build
plugin 'Test::Mock' => (
build => [ \%fs_spec_build, \%fs_spec_install ],
);
plugin 'Test::Mock' => (
build => 1,
);
=head2 gather
plugin 'Test::Mock' => (
gather => \%runtime_prop,
);
plugin 'Test::Mock' => (
gather => 1,
);
This adds a gather hook (for both C<share> and C<system>) that adds the given runtime properties, or
if a true non-hash value is provided, some reasonable runtime properties for testing.
=head2 check_digest
plugin 'Test::Mock' => (
check_digest => 1, # the default
);
This adds a check_digest hook that uses fake algorithm FAKE that hashes everything to C<deadbeaf>.
The mock download above will set the digest for download_details so that this will pass the
signature check.
plugin 'Test::Mock' => (
check_digest => sub {
my($build, $file, $algo, $digest) = @_;
...
},
);
If you give it a code reference then you can write your own faux digest. See the
L<check_digest hook|Alien::Build::Manual::PluginAuthor/"check_digest hook"> in
L<Alien::Build::Manual::PluginAuthor> for details.
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK �fl\+'$5u u / perl5/5.32/Alien/Build/Plugin/Fetch/LocalDir.pmnu ��6�$ package Alien::Build::Plugin::Fetch::LocalDir;
use strict;
use warnings;
use 5.008004;
use Alien::Build::Plugin;
use File::chdir;
use Path::Tiny ();
# ABSTRACT: Plugin for fetching a local directory
our $VERSION = '2.84'; # VERSION
has root => undef;
has ssl => 0;
sub init
{
my($self, $meta) = @_;
my $url = $meta->prop->{start_url} || 'patch';
$meta->add_requires('configure' => 'Alien::Build::Plugin::Fetch::LocalDir' => '0.72' );
if($url =~ /^file:/)
{
$meta->add_requires('share' => 'URI' => 0 );
$meta->add_requires('share' => 'URI::file' => 0 );
}
{
my $root = $self->root;
if(defined $root)
{
$root = Path::Tiny->new($root)->absolute->stringify;
}
else
{
$root = "$CWD";
}
$self->root($root);
}
$meta->register_hook(
fetch => sub {
my($build, $path, %options) = @_;
$build->log("plugin Fetch::LocalDir does not support http_headers option") if $options{http_headers};
$path ||= $url;
if($path =~ /^file:/)
{
my $root = URI::file->new($self->root);
my $url = URI->new_abs($path, $root);
$path = $url->path;
$path =~ s{^/([a-z]:)}{$1}i if $^O eq 'MSWin32';
}
$path = Path::Tiny->new($path)->absolute($self->root);
if(-d $path)
{
return {
type => 'file',
filename => $path->basename,
path => $path->stringify,
tmp => 0,
protocol => 'file',
};
}
else
{
$build->log("path $path is not a directory");
$build->log("(you specified $url with root @{[ $self->root ]})");
die "$path is not a directory";
}
}
);
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::Plugin::Fetch::LocalDir - Plugin for fetching a local directory
=head1 VERSION
version 2.84
=head1 SYNOPSIS
use alienfile;
share {
start_url 'patch/libfoo-1.00/';
plugin 'Fetch::LocalDir';
};
=head1 DESCRIPTION
Note: in most case you will want to use L<Alien::Build::Plugin::Download::Negotiate>
instead. It picks the appropriate fetch plugin based on your platform and environment.
In some cases you may need to use this plugin directly instead.
This fetch plugin fetches files from the local file system. It is mostly useful if you
intend to bundle source with your Alien. If you are bundling tarballs see
L<Alien::Build::Plugin::Fetch::Local>.
=head1 PROPERTIES
=head2 root
The directory from which the start URL should be relative. The default is usually reasonable.
=head2 ssl
This property is for compatibility with other fetch plugins, but is not used.
=head1 SEE ALSO
=over 4
=item L<Alien::Build::Plugin::Download::Negotiate>
=item L<Alien::Build::Plugin::Fetch::Local>
=item L<Alien::Build>
=item L<alienfile>
=item L<Alien::Build::MM>
=item L<Alien>
=back
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK �fl\X;�X� � - perl5/5.32/Alien/Build/Plugin/Fetch/NetFTP.pmnu ��6�$ package Alien::Build::Plugin::Fetch::NetFTP;
use strict;
use warnings;
use 5.008004;
use Alien::Build::Plugin;
use Carp ();
use File::Temp ();
use Path::Tiny qw( path );
# ABSTRACT: Plugin for fetching files using Net::FTP
our $VERSION = '2.84'; # VERSION
has '+url' => '';
has ssl => 0;
has passive => 0;
sub init
{
my($self, $meta) = @_;
$meta->prop->{start_url} ||= $self->url;
$self->url($meta->prop->{start_url});
$self->url || Carp::croak('url is a required property');
$meta->add_requires('share' => 'Net::FTP' => 0 );
$meta->add_requires('share' => 'URI' => 0 );
$meta->add_requires('share' => 'Alien::Build::Plugin::Fetch::NetFTP' => '0.61')
if $self->passive;
$meta->register_hook( fetch => sub {
my($build, $url, %options) = @_;
$url ||= $self->url;
$build->log("plugin Fetch::NetFTP does not support http_headers option") if $options{http_headers};
$url = URI->new($url);
die "Fetch::NetFTP does not support @{[ $url->scheme ]}"
unless $url->scheme eq 'ftp';
$build->log("trying passive mode FTP first") if $self->passive;
my $ftp = _ftp_connect($url, $self->passive);
my $path = $url->path;
unless($path =~ m!/$!)
{
my(@parts) = split /\//, $path;
my $filename = pop @parts;
my $dir = join '/', @parts;
my $path = eval {
$ftp->cwd($dir) or die;
my $tdir = File::Temp::tempdir( CLEANUP => 1);
my $path = path("$tdir/$filename")->stringify;
unless(eval { $ftp->get($filename, $path) }) # NAT problem? try to use passive mode
{
$ftp->quit;
$build->log("switching to @{[ $self->passive ? 'active' : 'passive' ]} mode");
$ftp = _ftp_connect($url, !$self->passive);
$ftp->cwd($dir) or die;
$ftp->get($filename, $path) or die;
}
$path;
};
if(defined $path)
{
return {
type => 'file',
filename => $filename,
path => $path,
protocol => 'ftp',
};
}
$path .= "/";
}
$ftp->quit;
$ftp = _ftp_connect($url, $self->passive);
$ftp->cwd($path) or die "unable to fetch $url as either a directory or file";
my $list = eval { $ftp->ls };
unless(defined $list) # NAT problem? try to use passive mode
{
$ftp->quit;
$build->log("switching to @{[ $self->passive ? 'active' : 'passive' ]} mode");
$ftp = _ftp_connect($url, !$self->passive);
$ftp->cwd($path) or die "unable to fetch $url as either a directory or file";
$list = $ftp->ls;
die "cannot list directory $path on $url" unless defined $list;
}
die "no files found at $url" unless @$list;
$path .= '/' unless $path =~ /\/$/;
return {
type => 'list',
protocol => 'ftp',
list => [
map {
my $filename = $_;
my $furl = $url->clone;
$furl->path($path . $filename);
my %h = (
filename => $filename,
url => $furl->as_string,
);
\%h;
} sort @$list,
],
};
});
$self;
}
sub _ftp_connect {
my $url = shift;
my $is_passive = shift || 0;
my $ftp = Net::FTP->new(
$url->host, Port =>$url->port, Passive =>$is_passive,
) or die "error fetching $url: $@";
$ftp->login($url->user, $url->password)
or die "error on login $url: @{[ $ftp->message ]}";
$ftp->binary;
$ftp;
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::Plugin::Fetch::NetFTP - Plugin for fetching files using Net::FTP
=head1 VERSION
version 2.84
=head1 SYNOPSIS
use alienfile;
share {
start_url 'ftp://ftp.gnu.org/gnu/make';
plugin 'Fetch::NetFTP';
};
=head1 DESCRIPTION
Note: in most case you will want to use L<Alien::Build::Plugin::Download::Negotiate>
instead. It picks the appropriate fetch plugin based on your platform and environment.
In some cases you may need to use this plugin directly instead.
This fetch plugin fetches files and directory listings via the C<ftp>, protocol using
L<Net::FTP>.
=head1 PROPERTIES
=head2 url
The initial URL to fetch. This may be a directory or the final file.
=head2 ssl
This property is for compatibility with other fetch plugins, but is not used.
=head2 passive
If set to true, try passive mode FIRST. By default it will try an active mode, then
passive mode.
=head1 SEE ALSO
L<Alien::Build::Plugin::Download::Negotiate>, L<Alien::Build>, L<alienfile>, L<Alien::Build::MM>, L<Alien>
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK �fl\J4Ԫ� � 2 perl5/5.32/Alien/Build/Plugin/Fetch/CurlCommand.pmnu ��6�$ package Alien::Build::Plugin::Fetch::CurlCommand;
use strict;
use warnings;
use 5.008004;
use Alien::Build::Plugin;
use File::Which qw( which );
use Path::Tiny qw( path );
use Capture::Tiny qw( capture );
use File::Temp qw( tempdir );
use List::Util 1.33 qw( any pairmap );
use File::chdir;
# ABSTRACT: Plugin for fetching files using curl
our $VERSION = '2.84'; # VERSION
sub curl_command
{
defined $ENV{CURL} ? scalar which($ENV{CURL}) : scalar which('curl');
}
has ssl => 0;
has _see_headers => 0;
has '+url' => '';
# when bootstrapping we have to specify this plugin as a prereq
# 1 is the default so that when this plugin is used directly
# you also get the prereq
has bootstrap_ssl => 1;
sub protocol_ok
{
my($class, $protocol) = @_;
my $curl = $class->curl_command;
return 0 unless defined $curl;
my($out, $err, $exit) = capture {
system $curl, '--version';
};
{
# make sure curl supports the -J option.
# CentOS 6 for example is recent enough
# that it does not. gh#147, gh#148, gh#149
local $CWD = tempdir( CLEANUP => 1 );
my $file1 = path('foo/foo.txt');
$file1->parent->mkpath;
$file1->spew("hello world\n");
my $url = 'file://' . $file1->absolute;
my($out, $err, $exit) = capture {
system $curl, '-O', '-J', $url;
};
my $file2 = $file1->parent->child($file1->basename);
unlink "$file1";
unlink "$file2";
rmdir($file1->parent);
return 0 if $exit;
}
foreach my $line (split /\n/, $out)
{
if($line =~ /^Protocols:\s*(.*)\s*$/)
{
my %proto = map { $_ => 1 } split /\s+/, $1;
return $proto{$protocol} if $proto{$protocol};
}
}
return 0;
}
sub init
{
my($self, $meta) = @_;
$meta->prop->{start_url} ||= $self->url;
$self->url($meta->prop->{start_url});
$self->url || Carp::croak('url is a required property');
$meta->add_requires('configure', 'Alien::Build::Plugin::Fetch::CurlCommand' => '1.19')
if $self->bootstrap_ssl;
$meta->register_hook(
fetch => sub {
my($build, $url, %options) = @_;
$url ||= $self->url;
my($scheme) = $url =~ /^([a-z0-9]+):/i;
if($scheme =~ /^https?$/)
{
local $CWD = tempdir( CLEANUP => 1 );
my @writeout = (
"ab-filename :%{filename_effective}",
"ab-content_type :%{content_type}",
"ab-url :%{url_effective}",
);
$build->log("writeout: $_\\n") for @writeout;
path('writeout')->spew(join("\\n", @writeout));
my @headers;
if(my $headers = $options{http_headers})
{
if(ref $headers eq 'ARRAY')
{
@headers = pairmap { -H => "$a: $b" } @$headers;
}
else
{
$build->log("Fetch for $url with http_headers that is not an array reference");
}
}
my @command = (
$self->curl_command,
'-L', '-f', '-O', '-J',
-w => '@writeout',
@headers,
);
push @command, -D => 'head' if $self->_see_headers;
push @command, $url;
my($stdout, $stderr) = $self->_execute($build, @command);
my %h = map { /^ab-(.*?)\s*:(.*)$/ ? ($1 => $2) : () } split /\n/, $stdout;
if(-e 'head')
{
$build->log(" ~ $_ => $h{$_}") for sort keys %h;
$build->log(" header: $_") for path('headers')->lines;
}
my($type) = split /;/, $h{content_type};
if($type eq 'text/html')
{
return {
type => 'html',
base => $h{url},
content => scalar path($h{filename})->slurp,
protocol => $scheme,
};
}
else
{
return {
type => 'file',
filename => $h{filename},
path => path($h{filename})->absolute->stringify,
protocol => $scheme,
};
}
}
# elsif($scheme eq 'ftp')
# {
# if($url =~ m{/$})
# {
# my($stdout, $stderr) = $self->_execute($build, $self->curl_command, -l => $url);
# chomp $stdout;
# return {
# type => 'list',
# list => [
# map { { filename => $_, url => "$url$_" } } sort split /\n/, $stdout,
# ],
# };
# }
#
# my $first_error;
#
# {
# local $CWD = tempdir( CLEANUP => 1 );
#
# my($filename) = $url =~ m{/([^/]+)$};
# $filename = 'unknown' if (! defined $filename) || ($filename eq '');
# my($stdout, $stderr) = eval { $self->_execute($build, $self->curl_command, -o => $filename, $url) };
# $first_error = $@;
# if($first_error eq '')
# {
# return {
# type => 'file',
# filename => $filename,
# path => path($filename)->absolute->stringify,
# };
# }
# }
#
# {
# my($stdout, $stderr) = eval { $self->_execute($build, $self->curl_command, -l => "$url/") };
# if($@ eq '')
# {
# chomp $stdout;
# return {
# type => 'list',
# list => [
# map { { filename => $_, url => "$url/$_" } } sort split /\n/, $stdout,
# ],
# };
# };
# }
#
# $first_error ||= 'unknown error';
# die $first_error;
#
# }
else
{
die "scheme $scheme is not supported by the Fetch::CurlCommand plugin";
}
},
) if $self->curl_command;
$self;
}
sub _execute
{
my($self, $build, @command) = @_;
$build->log("+ @command");
my($stdout, $stderr, $err) = capture {
system @command;
$?;
};
if($err)
{
chomp $stderr;
$build->log($_) for split /\n/, $stderr;
if($stderr =~ /Remote filename has no length/ && !!(any { /^-O$/ } @command))
{
my @new_command = map {
/^-O$/ ? ( -o => 'index.html' ) : /^-J$/ ? () : ($_)
} @command;
return $self->_execute($build, @new_command);
}
die "error in curl fetch";
}
($stdout, $stderr);
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::Plugin::Fetch::CurlCommand - Plugin for fetching files using curl
=head1 VERSION
version 2.84
=head1 SYNOPSIS
use alienfile;
share {
start_url 'https://www.openssl.org/source/';
plugin 'Fetch::CurlCommand';
};
=head1 DESCRIPTION
This plugin provides a fetch based on the C<curl> command. It works with other fetch
plugins (that is, the first one which succeeds will be used). Most of the time the best plugin
to use will be L<Alien::Build::Plugin::Download::Negotiate>, but for some SSL bootstrapping
it may be desirable to try C<curl> first.
Protocols supported: C<http>, C<https>
C<https> support requires that curl was built with SSL support.
=head1 PROPERTIES
=head2 curl_command
The full path to the C<curl> command. The default is usually correct.
=head2 ssl
Ignored by this plugin. Provided for compatibility with some other fetch plugins.
=head1 METHODS
=head2 protocol_ok
my $bool = $plugin->protocol_ok($protocol);
my $bool = Alien::Build::Plugin::Fetch::CurlCommand->protocol_ok($protocol);
=head1 SEE ALSO
=over 4
=item L<alienfile>
=item L<Alien::Build>
=back
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK �fl\�t _� � / perl5/5.32/Alien/Build/Plugin/Fetch/HTTPTiny.pmnu ��6�$ package Alien::Build::Plugin::Fetch::HTTPTiny;
use strict;
use warnings;
use 5.008004;
use Alien::Build::Plugin;
use File::Basename ();
use Alien::Build::Util qw( _ssl_reqs );
use Carp ();
# ABSTRACT: Plugin for fetching files using HTTP::Tiny
our $VERSION = '2.84'; # VERSION
has '+url' => '';
has ssl => 0;
# ignored for compatability
has bootstrap_ssl => 1;
sub init
{
my($self, $meta) = @_;
$meta->add_requires('share' => 'HTTP::Tiny' => '0.044' );
$meta->add_requires('share' => 'URI' => '0' );
$meta->add_requires('share' => 'Mozilla::CA' => '0' );
$meta->prop->{start_url} ||= $self->url;
$self->url($meta->prop->{start_url});
$self->url || Carp::croak('url is a required property');
if($self->url =~ /^https:/ || $self->ssl)
{
my $reqs = _ssl_reqs;
foreach my $mod (sort keys %$reqs)
{
$meta->add_requires('share' => $mod => $reqs->{$mod});
}
}
$meta->register_hook( fetch => sub {
my($build, $url, %options) = @_;
$url ||= $self->url;
$url = URI->new($url) unless ref($url) && $url->isa('URI');
my %headers;
if(my $headers = $options{http_headers})
{
if(ref $headers eq 'ARRAY')
{
my @headers = @$headers;
while(@headers)
{
my $key = shift @headers;
my $value = shift @headers;
unless(defined $key && defined $value)
{
$build->log("Fetch for $url with http_headers contains undef key or value");
next;
}
push @{ $headers{$key} }, $value;
}
}
else
{
$build->log("Fetch for $url with http_headers that is not an array reference");
}
}
my $ua = HTTP::Tiny->new(
agent => "Alien-Build/@{[ $Alien::Build::VERSION || 'dev' ]} ",
verify_SSL => $build->download_rule =~ /encrypt/ ? 1 : 0,
);
my $res = $ua->get($url, { headers => \%headers });
unless($res->{success})
{
my $status = $res->{status} || '---';
my $reason = $res->{reason} || 'unknown';
$build->log("$status $reason fetching $url");
if($status == 599)
{
$build->log("exception: $_") for split /\n/, $res->{content};
my($can_ssl, $why_ssl) = HTTP::Tiny->can_ssl;
if(! $can_ssl)
{
if($res->{redirects}) {
foreach my $redirect (@{ $res->{redirects} })
{
if(defined $redirect->{headers}->{location} && $redirect->{headers}->{location} =~ /^https:/)
{
$build->log("An attempt at a SSL URL https was made, but your HTTP::Tiny does not appear to be able to use https.");
$build->log("Please see: https://metacpan.org/pod/Alien::Build::Manual::FAQ#599-Internal-Exception-errors-downloading-packages-from-the-internet");
}
}
}
}
}
die "error fetching $url: $status $reason";
}
my($type) = split /;/, $res->{headers}->{'content-type'};
$type = lc $type;
my $base = URI->new($res->{url});
my $filename = File::Basename::basename do { my $name = $base->path; $name =~ s{/$}{}; $name };
# TODO: this doesn't get exercised by t/bin/httpd
if(my $disposition = $res->{headers}->{"content-disposition"})
{
# Note: from memory without quotes does not match the spec,
# but many servers actually return this sort of value.
if($disposition =~ /filename="([^"]+)"/ || $disposition =~ /filename=([^\s]+)/)
{
$filename = $1;
}
}
if($type eq 'text/html')
{
return {
type => 'html',
base => $base->as_string,
content => $res->{content},
protocol => $url->scheme,
};
}
else
{
return {
type => 'file',
filename => $filename || 'downloadedfile',
content => $res->{content},
protocol => $url->scheme,
};
}
});
$self;
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::Plugin::Fetch::HTTPTiny - Plugin for fetching files using HTTP::Tiny
=head1 VERSION
version 2.84
=head1 SYNOPSIS
use alienfile;
share {
start_url 'http://ftp.gnu.org/gnu/make';
plugin 'Fetch::HTTPTiny';
};
=head1 DESCRIPTION
Note: in most case you will want to use L<Alien::Build::Plugin::Download::Negotiate>
instead. It picks the appropriate fetch plugin based on your platform and environment.
In some cases you may need to use this plugin directly instead.
This fetch plugin fetches files and directory listings via the C<http> and C<https>
protocol using L<HTTP::Tiny>. If the URL specified uses the C<https> scheme, then
the required SSL modules will automatically be injected as requirements. If your
initial URL is not C<https>, but you know that it will be needed on a subsequent
request you can use the ssl property below.
=head1 PROPERTIES
=head2 url
The initial URL to fetch. This may be a directory listing (in HTML) or the final file.
=head2 ssl
If set to true, then the SSL modules required to make an C<https> connection will be
added as prerequisites.
=head1 SEE ALSO
L<Alien::Build::Plugin::Download::Negotiate>, L<Alien::Build>, L<alienfile>, L<Alien::Build::MM>, L<Alien>
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK �fl\� }T * perl5/5.32/Alien/Build/Plugin/Fetch/LWP.pmnu ��6�$ package Alien::Build::Plugin::Fetch::LWP;
use strict;
use warnings;
use 5.008004;
use Alien::Build::Plugin;
use Carp ();
# ABSTRACT: Plugin for fetching files using LWP
our $VERSION = '2.84'; # VERSION
has '+url' => '';
has ssl => 0;
sub init
{
my($self, $meta) = @_;
$meta->add_requires('share' => 'LWP::UserAgent' => 0 );
$meta->prop->{start_url} ||= $self->url;
$self->url($meta->prop->{start_url});
$self->url || Carp::croak('url is a required property');
if($self->url =~ /^https:/ || $self->ssl)
{
$meta->add_requires('share' => 'LWP::Protocol::https' => 0 );
}
$meta->register_hook( fetch => sub {
my($build, $url, %options) = @_;
$url ||= $self->url;
my @headers;
if(my $headers = $options{http_headers})
{
if(ref $headers eq 'ARRAY')
{
@headers = @$headers;
}
else
{
$build->log("Fetch for $url with http_headers that is not an array reference");
}
}
my $ua = LWP::UserAgent->new;
$ua->env_proxy;
my $res = $ua->get($url, @headers);
my($protocol) = $url =~ /^([a-z]+):/;
die "error fetching $url: @{[ $res->status_line ]}"
unless $res->is_success;
my($type, $charset) = $res->content_type_charset;
my $base = $res->base;
my $filename = $res->filename;
if($type eq 'text/html')
{
return {
type => 'html',
charset => $charset,
base => "$base",
content => $res->decoded_content || $res->content,
protocol => $protocol,
};
}
elsif($type eq 'text/ftp-dir-listing')
{
return {
type => 'dir_listing',
base => "$base",
content => $res->decoded_content || $res->content,
protocol => $protocol,
};
}
else
{
return {
type => 'file',
filename => $filename || 'downloadedfile',
content => $res->content,
protocol => $protocol,
};
}
});
$self;
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::Plugin::Fetch::LWP - Plugin for fetching files using LWP
=head1 VERSION
version 2.84
=head1 SYNOPSIS
use alienfile;
share {
start_url 'http://ftp.gnu.org/gnu/make';
plugin 'Fetch::LWP';
};
=head1 DESCRIPTION
Note: in most case you will want to use L<Alien::Build::Plugin::Download::Negotiate>
instead. It picks the appropriate fetch plugin based on your platform and environment.
In some cases you may need to use this plugin directly instead.
This fetch plugin fetches files and directory listings via the C<http> C<https>, C<ftp>,
C<file> protocol using L<LWP>. If the URL specified uses the C<https> scheme, then
the required SSL modules will automatically be injected as requirements. If your
initial URL is not C<https>, but you know that it will be needed on a subsequent
request you can use the ssl property below.
=head1 PROPERTIES
=head2 url
The initial URL to fetch. This may be a directory listing (in HTML) or the final file.
=head2 ssl
If set to true, then the SSL modules required to make an C<https> connection will be
added as prerequisites.
=head1 SEE ALSO
L<Alien::Build::Plugin::Download::Negotiate>, L<Alien::Build>, L<alienfile>, L<Alien::Build::MM>, L<Alien>
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK �fl\�׳ � , perl5/5.32/Alien/Build/Plugin/Fetch/Local.pmnu ��6�$ package Alien::Build::Plugin::Fetch::Local;
use strict;
use warnings;
use 5.008004;
use Alien::Build::Plugin;
use File::chdir;
use Path::Tiny ();
# ABSTRACT: Plugin for fetching a local file
our $VERSION = '2.84'; # VERSION
has '+url' => '';
has root => undef;
has ssl => 0;
sub init
{
my($self, $meta) = @_;
$meta->prop->{start_url} ||= $self->url;
$self->url($meta->prop->{start_url} || 'patch');
if($self->url =~ /^file:/)
{
$meta->add_requires('share' => 'URI' => 0 );
$meta->add_requires('share' => 'URI::file' => 0 );
$meta->add_requires('share' => 'URI::Escape' => 0 );
}
{
my $root = $self->root;
if(defined $root)
{
$root = Path::Tiny->new($root)->absolute->stringify;
}
else
{
$root = "$CWD";
}
$self->root($root);
}
$meta->register_hook( fetch => sub {
my($build, $path, %options) = @_;
$build->log("plugin Fetch::Local does not support http_headers option") if $options{http_headers};
$path ||= $self->url;
if($path =~ /^file:/)
{
my $root = URI::file->new($self->root);
my $url = URI->new_abs($path, $root);
$path = URI::Escape::uri_unescape($url->path);
$path =~ s{^/([a-z]:)}{$1}i if $^O eq 'MSWin32';
}
$path = Path::Tiny->new($path)->absolute($self->root);
if(-d $path)
{
return {
type => 'list',
protocol => 'file',
list => [
map { { filename => $_->basename, url => $_->stringify } }
sort { $a->basename cmp $b->basename } $path->children,
],
};
}
elsif(-f $path)
{
return {
type => 'file',
filename => $path->basename,
path => $path->stringify,
tmp => 0,
protocol => 'file',
};
}
else
{
die "no such file or directory $path";
}
});
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::Plugin::Fetch::Local - Plugin for fetching a local file
=head1 VERSION
version 2.84
=head1 SYNOPSIS
use alienfile;
share {
start_url 'patch/libfoo-1.00.tar.gz';
plugin 'Fetch::Local';
};
=head1 DESCRIPTION
Note: in most case you will want to use L<Alien::Build::Plugin::Download::Negotiate>
instead. It picks the appropriate fetch plugin based on your platform and environment.
In some cases you may need to use this plugin directly instead.
This fetch plugin fetches files from the local file system. It is mostly useful if you
intend to bundle packages (as tarballs or zip files) with your Alien. If you intend to
bundle a source tree, use L<Alien::Build::Plugin::Fetch::LocalDir>.
=head1 PROPERTIES
=head2 url
The initial URL to fetch. This may be a C<file://> style URL, or just the path on the
local system.
=head2 root
The directory from which the URL should be relative. The default is usually reasonable.
=head2 ssl
This property is for compatibility with other fetch plugins, but is not used.
=head1 SEE ALSO
=over 4
=item L<Alien::Build::Plugin::Download::Negotiate>
=item L<Alien::Build::Plugin::Fetch::LocalDir>
=item L<Alien::Build>
=item L<alienfile>
=item L<Alien::Build::MM>
=item L<Alien>
=back
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK �fl\{��� � + perl5/5.32/Alien/Build/Plugin/Fetch/Wget.pmnu ��6�$ package Alien::Build::Plugin::Fetch::Wget;
use strict;
use warnings;
use 5.008004;
use Alien::Build::Plugin;
use File::Temp qw( tempdir );
use Path::Tiny qw( path );
use File::Which qw( which );
use Capture::Tiny qw( capture capture_merged );
use File::chdir;
use List::Util qw( pairmap );
# ABSTRACT: Plugin for fetching files using wget
our $VERSION = '2.84'; # VERSION
sub _wget
{
my $wget = defined $ENV{WGET} ? which($ENV{WGET}) : which('wget');
return undef unless defined $wget;
my $output = capture_merged { system $wget, '--help' };
# The wget that BusyBox implements does not follow that same interface
# as GNU wget and may not check ssl certs which is not good.
return undef if $output =~ /BusyBox/;
return $wget;
}
has wget_command => sub { _wget() };
has ssl => 0;
# when bootstrapping we have to specify this plugin as a prereq
# 1 is the default so that when this plugin is used directly
# you also get the prereq
has bootstrap_ssl => 1;
sub init
{
my($self, $meta) = @_;
$meta->add_requires('configure', 'Alien::Build::Plugin::Fetch::Wget' => '1.19')
if $self->bootstrap_ssl;
$meta->register_hook(
fetch => sub {
my($build, $url, %options) = @_;
$url ||= $meta->prop->{start_url};
my($scheme) = $url =~ /^([a-z0-9]+):/i;
if($scheme eq 'http' || $scheme eq 'https')
{
local $CWD = tempdir( CLEANUP => 1 );
my @headers;
if(my $headers = $options{http_headers})
{
if(ref $headers eq 'ARRAY')
{
my @copy = @$headers;
my %headers;
while(@copy)
{
my $key = shift @copy;
my $value = shift @copy;
push @{ $headers{$key} }, $value;
}
@headers = pairmap { "--header=$a: @{[ join ', ', @$b ]}" } %headers;
}
else
{
$build->log("Fetch for $url with http_headers that is not an array reference");
}
}
my($stdout, $stderr) = $self->_execute(
$build,
$self->wget_command,
'-k', '--content-disposition', '-S',
@headers,
$url,
);
my($path) = path('.')->children;
die "no file found after wget" unless $path;
my($type) = $stderr =~ /Content-Type:\s*(.*?)$/m;
$type =~ s/;.*$// if $type;
if($type eq 'text/html')
{
return {
type => 'html',
base => $url,
content => scalar $path->slurp,
protocol => $scheme,
};
}
else
{
return {
type => 'file',
filename => $path->basename,
path => $path->absolute->stringify,
protocol => $scheme,
};
}
}
else
{
die "scheme $scheme is not supported by the Fetch::Wget plugin";
}
},
) if $self->wget_command;
}
sub _execute
{
my($self, $build, @command) = @_;
$build->log("+ @command");
my($stdout, $stderr, $err) = capture {
system @command;
$?;
};
if($err)
{
chomp $stderr;
$stderr = [split /\n/, $stderr]->[-1];
die "error in wget fetch: $stderr";
}
($stdout, $stderr);
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::Plugin::Fetch::Wget - Plugin for fetching files using wget
=head1 VERSION
version 2.84
=head1 SYNOPSIS
use alienfile;
share {
start_url 'https://www.openssl.org/source/';
plugin 'Fetch::Wget';
};
=head1 DESCRIPTION
B<WARNING>: This plugin is somewhat experimental at this time.
This plugin provides a fetch based on the C<wget> command. It works with other fetch
plugins (that is, the first one which succeeds will be used). Most of the time the best plugin
to use will be L<Alien::Build::Plugin::Download::Negotiate>, but for some SSL bootstrapping
it may be desirable to try C<wget> first.
Protocols supported: C<http>, C<https>
=head1 PROPERTIES
=head2 wget_command
The full path to the C<wget> command. The default is usually correct.
=head2 ssl
Ignored by this plugin. Provided for compatibility with some other fetch plugins.
=head1 SEE ALSO
=over 4
=item L<alienfile>
=item L<Alien::Build>
=back
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK �fl\���4t t - perl5/5.32/Alien/Build/Plugin/Digest/SHAPP.pmnu ��6�$ package Alien::Build::Plugin::Digest::SHAPP;
use strict;
use warnings;
use Alien::Build::Plugin;
# ABSTRACT: Plugin to check SHA digest with Digest::SHA::PurePerl
our $VERSION = '2.84'; # VERSION
sub init
{
my($self, $meta) = @_;
$meta->add_requires('configure' => 'Alien::Build' => "2.57" );
$meta->add_requires('share' => 'Digest::SHA::PurePerl' => "0" );
$meta->register_hook( check_digest => sub {
my($build, $file, $algo, $expected_digest) = @_;
return 0 unless $algo =~ /^SHA[0-9]+$/;
my $sha = Digest::SHA::PurePerl->new($algo);
return 0 unless defined $sha;
if(defined $file->{content})
{
$sha->add($file->{content});
}
elsif(defined $file->{path})
{
$sha->addfile($file->{path}, "b");
}
else
{
die "unknown file type";
}
my $actual_digest = $sha->hexdigest;
return 1 if $expected_digest eq $actual_digest;
die "@{[ $file->{filename} ]} SHA@{[ $sha->algorithm ]} digest does not match: got $actual_digest, expected $expected_digest";
});
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::Plugin::Digest::SHAPP - Plugin to check SHA digest with Digest::SHA::PurePerl
=head1 VERSION
version 2.84
=head1 SYNOPSIS
use alienfile;
plugin 'Digest::SHAPP';
=head1 DESCRIPTION
This plugin is experimental.
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK �fl\~Oc� + perl5/5.32/Alien/Build/Plugin/Digest/SHA.pmnu ��6�$ package Alien::Build::Plugin::Digest::SHA;
use strict;
use warnings;
use Alien::Build::Plugin;
# ABSTRACT: Plugin to check SHA digest with Digest::SHA
our $VERSION = '2.84'; # VERSION
sub init
{
my($self, $meta) = @_;
$meta->add_requires('configure' => 'Alien::Build' => "2.57" );
$meta->register_hook( check_digest => sub {
my($build, $file, $algo, $expected_digest) = @_;
return 0 unless $algo =~ /^SHA[0-9]+$/;
my $sha = Digest::SHA->new($algo);
return 0 unless defined $sha;
if(defined $file->{content})
{
$sha->add($file->{content});
}
elsif(defined $file->{path})
{
$sha->addfile($file->{path}, "b");
}
else
{
die "unknown file type";
}
my $actual_digest = $sha->hexdigest;
return 1 if $expected_digest eq $actual_digest;
die "@{[ $file->{filename} ]} SHA@{[ $sha->algorithm ]} digest does not match: got $actual_digest, expected $expected_digest";
});
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::Plugin::Digest::SHA - Plugin to check SHA digest with Digest::SHA
=head1 VERSION
version 2.84
=head1 SYNOPSIS
use alienfile;
plugin 'Digest::SHA';
=head1 DESCRIPTION
This plugin is experimental.
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK �fl\H̻) ) 1 perl5/5.32/Alien/Build/Plugin/Digest/Negotiate.pmnu ��6�$ package Alien::Build::Plugin::Digest::Negotiate;
use strict;
use warnings;
use Alien::Build::Plugin;
# ABSTRACT: Plugin negotiator for cryptographic signatures
our $VERSION = '2.84'; # VERSION
has '+sig' => sub { {} };
has check_fetch => 1;
has check_download => 1;
has allow_listing => 1;
sub init
{
my($self, $meta) = @_;
$meta->add_requires('configure' => 'Alien::Build::Plugin::Digest::Negotiate' => "0" );
$meta->prop->{check_digest} = 1;
my $sigs = $meta->prop->{digest} ||= {};
if(ref($self->sig) eq 'HASH') {
foreach my $filename (keys %{ $self->sig })
{
my $signature = $self->sig->{$filename};
my($algo) = @$signature;
die "Unknown digest algorithm $algo" unless $algo =~ /^SHA(1|224|256|384|512|512224|512256)$/; # reportedly what is supported by Digest::SHA
$sigs->{$filename} = $signature;
}
} elsif(ref($self->sig) eq 'ARRAY') {
my $signature = $self->sig;
my($algo) = @$signature;
die "Unknown digest algorithm $algo" unless $algo =~ /^SHA(1|224|256|384|512|512224|512256)$/; # reportedly what is supported by Digest::SHA
$sigs->{'*'} = $signature;
}
# In the future if this negotiator supports algorithms other
# than SHA, we should probably ajust this to keep track of
# which ones we actually need when we are looping through them
# above. Also technically you could call this plugin without
# any sigs, and we shouldn't in theory need to apply Digest::SHA,
# but stuff won't work that way so that is a corner case we
# are not going to worry about.
$meta->apply_plugin('Digest::SHA');
$meta->around_hook(
fetch => sub {
my($orig, $build, @rest) = @_;
my $res = $orig->($build, @rest);
if($res->{type} eq 'file')
{
$build->check_digest($res);
}
else
{
die "listing fetch not allowed" unless $self->allow_listing;
}
$res;
},
) if $self->check_fetch;
# Note that check_download hook is currently undocumented and
# may change in the future.
$meta->register_hook(
check_download => sub {
my($build) = @_;
my $path = $build->install_prop->{download};
die "Checking cryptographic signatures on download only works for single archive" unless defined $path;
$build->check_digest($path);
},
) if $self->check_download;
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::Plugin::Digest::Negotiate - Plugin negotiator for cryptographic signatures
=head1 VERSION
version 2.84
=head1 SYNOPSIS
for a single file:
use alienfile;
plugin 'Digest' => [ SHA256 => $digest ];
or for multiple files:
use alienfile;
plugin 'Digest' => {
file1 => [ SHA256 => $digest1 ],
file2 => [ SHA256 => $digest2 ],
};
=head1 DESCRIPTION
This plugin is experimental.
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK �fl\�B��
9 perl5/5.32/Alien/Build/Plugin/Decode/DirListingFtpcopy.pmnu ��6�$ package Alien::Build::Plugin::Decode::DirListingFtpcopy;
use strict;
use warnings;
use 5.008004;
use Alien::Build::Plugin;
use File::Basename ();
# ABSTRACT: Plugin to extract links from a directory listing using ftpcopy
our $VERSION = '2.84'; # VERSION
sub init
{
my($self, $meta) = @_;
$meta->add_requires('share' => 'File::Listing::Ftpcopy' => 0);
$meta->add_requires('share' => 'URI' => 0);
$meta->register_hook( decode => sub {
my(undef, $res) = @_;
die "do not know how to decode @{[ $res->{type} ]}"
unless $res->{type} eq 'dir_listing';
my $base = URI->new($res->{base});
return {
type => 'list',
list => [
map {
my($name) = @$_;
my $basename = $name;
$basename =~ s{/$}{};
my %h = (
filename => File::Basename::basename($basename),
url => URI->new_abs($name, $base)->as_string,
);
\%h;
} File::Listing::Ftpcopy::parse_dir($res->{content})
],
};
});
$self;
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::Plugin::Decode::DirListingFtpcopy - Plugin to extract links from a directory listing using ftpcopy
=head1 VERSION
version 2.84
=head1 SYNOPSIS
use alienfile;
plugin 'Decode::DirListingFtpcopy';
=head1 DESCRIPTION
Note: in most case you will want to use L<Alien::Build::Plugin::Download::Negotiate>
instead. It picks the appropriate decode plugin based on your platform and environment.
In some cases you may need to use this plugin directly instead.
This plugin decodes a ftp file listing into a list of candidates for your Prefer plugin.
It is useful when fetching from an FTP server via L<Alien::Build::Plugin::Fetch::LWP>.
It is different from the similarly named L<Alien::Build::Plugin::Decode::DirListingFtpcopy>
in that it uses L<File::Listing::Ftpcopy> instead of L<File::Listing>. The rationale for
the C<Ftpcopy> version is that it supports a different set of FTP servers, including
OpenVMS. In most cases, however, you probably want to use the non C<Ftpcopy> version
since it is pure perl.
=head1 SEE ALSO
L<Alien::Build::Plugin::Download::Negotiate>, L<Alien::Build::Plugin::Decode::DirListing>, L<Alien::Build>, L<alienfile>, L<Alien::Build::MM>, L<Alien>
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK �fl\��ٴ , perl5/5.32/Alien/Build/Plugin/Decode/Mojo.pmnu ��6�$ package Alien::Build::Plugin::Decode::Mojo;
use strict;
use warnings;
use 5.008004;
use Alien::Build::Plugin;
# ABSTRACT: Plugin to extract links from HTML using Mojo::DOM or Mojo::DOM58
our $VERSION = '2.84'; # VERSION
sub _load ($;$)
{
my($class, $version) = @_;
my $pm = "$class.pm";
$pm =~ s/::/\//g;
eval { require $pm };
return 0 if $@;
if(defined $version)
{
eval { $class->VERSION($version) };
return 0 if $@;
}
return 1;
}
has _class => sub {
return 'Mojo::DOM58' if _load 'Mojo::DOM58';
return 'Mojo::DOM' if _load 'Mojo::DOM' and _load 'Mojolicious', 7.00;
return 'Mojo::DOM58';
};
sub init
{
my($self, $meta) = @_;
$meta->add_requires('share' => 'URI' => 0);
$meta->add_requires('share' => 'URI::Escape' => 0);
my $class = $meta->prop->{plugin_decode_mojo_class} ||= $self->_class;
if($class eq 'Mojo::DOM58')
{
$meta->add_requires('share' => 'Mojo::DOM58' => '1.00');
}
elsif($class eq 'Mojo::DOM')
{
$meta->add_requires('share' => 'Mojolicious' => '7.00');
$meta->add_requires('share' => 'Mojo::DOM' => '0');
}
else
{
die "bad class";
}
$meta->register_hook( decode => sub {
my(undef, $res) = @_;
die "do not know how to decode @{[ $res->{type} ]}"
unless $res->{type} eq 'html';
my $dom = $class->new($res->{content});
my $base = URI->new($res->{base});
if(my $base_element = $dom->find('head base')->first)
{
my $href = $base_element->attr('href');
$base = URI->new($href) if defined $href;
}
my @list = map {
my $url = URI->new_abs($_, $base);
my $path = $url->path;
$path =~ s{/$}{}; # work around for Perl 5.8.7- gh#8
{
filename => URI::Escape::uri_unescape(File::Basename::basename($path)),
url => URI::Escape::uri_unescape($url->as_string),
}
}
grep !/^\.\.?\/?$/,
map { $_->attr('href') || () }
@{ $dom->find('a')->to_array };
return {
type => 'list',
list => \@list,
};
})
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::Plugin::Decode::Mojo - Plugin to extract links from HTML using Mojo::DOM or Mojo::DOM58
=head1 VERSION
version 2.84
=head1 SYNOPSIS
use alienfile;
plugin 'Decode::Mojo';
Force using C<Decode::Mojo> via the download negotiator:
use alienfile 1.68;
configure {
requires 'Alien::Build::Plugin::Decode::Mojo';
};
plugin 'Download' => (
...
decoder => 'Decode::Mojo',
);
=head1 DESCRIPTION
Note: in most cases you will want to use L<Alien::Build::Plugin::Download::Negotiate>
instead. It picks the appropriate decode plugin based on your platform and environment.
In some cases you may need to use this plugin directly instead.
This plugin decodes an HTML file listing into a list of candidates for your Prefer plugin.
It works just like L<Alien::Build::Plugin::Decode::HTML> except it uses either L<Mojo::DOM>
or L<Mojo::DOM58> to do its job.
This plugin is much lighter than The C<Decode::HTML> plugin, and doesn't require XS. It
is the default decode plugin used by L<Alien::Build::Plugin::Download::Negotiate> if it
detects that you need to parse an HTML index.
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK �fl\}�g g 2 perl5/5.32/Alien/Build/Plugin/Decode/DirListing.pmnu ��6�$ package Alien::Build::Plugin::Decode::DirListing;
use strict;
use warnings;
use 5.008004;
use Alien::Build::Plugin;
use File::Basename ();
# ABSTRACT: Plugin to extract links from a directory listing
our $VERSION = '2.84'; # VERSION
sub init
{
my($self, $meta) = @_;
$meta->add_requires('share' => 'File::Listing' => 0);
$meta->add_requires('share' => 'URI' => 0);
$meta->register_hook( decode => sub {
my(undef, $res) = @_;
die "do not know how to decode @{[ $res->{type} ]}"
unless $res->{type} eq 'dir_listing';
my $base = URI->new($res->{base});
return {
type => 'list',
list => [
map {
my($name) = @$_;
my $basename = $name;
$basename =~ s{/$}{};
my %h = (
filename => File::Basename::basename($basename),
url => URI->new_abs($name, $base)->as_string,
);
\%h;
} File::Listing::parse_dir($res->{content})
],
};
});
$self;
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::Plugin::Decode::DirListing - Plugin to extract links from a directory listing
=head1 VERSION
version 2.84
=head1 SYNOPSIS
use alienfile;
plugin 'Decode::DirListing';
=head1 DESCRIPTION
Note: in most case you will want to use L<Alien::Build::Plugin::Download::Negotiate>
instead. It picks the appropriate decode plugin based on your platform and environment.
In some cases you may need to use this plugin directly instead.
This plugin decodes a ftp file listing into a list of candidates for your Prefer plugin.
It is useful when fetching from an FTP server via L<Alien::Build::Plugin::Fetch::LWP>.
=head1 SEE ALSO
L<Alien::Build::Plugin::Download::Negotiate>, L<Alien::Build::Plugin::Decode::DirListingFtpcopy>, L<Alien::Build>, L<alienfile>, L<Alien::Build::MM>, L<Alien>
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK �fl\�>
3 3 , perl5/5.32/Alien/Build/Plugin/Decode/HTML.pmnu ��6�$ package Alien::Build::Plugin::Decode::HTML;
use strict;
use warnings;
use 5.008004;
use Alien::Build::Plugin;
use File::Basename ();
# ABSTRACT: Plugin to extract links from HTML
our $VERSION = '2.84'; # VERSION
sub init
{
my($self, $meta) = @_;
$meta->add_requires('share' => 'HTML::LinkExtor' => 0);
$meta->add_requires('share' => 'URI' => 0);
$meta->add_requires('share' => 'URI::Escape' => 0);
$meta->register_hook( decode => sub {
my(undef, $res) = @_;
die "do not know how to decode @{[ $res->{type} ]}"
unless $res->{type} eq 'html';
my $base = URI->new($res->{base});
my @list;
my $p = HTML::LinkExtor->new(sub {
my($tag, %links) = @_;
if($tag eq 'base' && $links{href})
{
$base = URI->new($links{href});
}
elsif($tag eq 'a' && $links{href})
{
my $href = $links{href};
return if $href =~ m!^\.\.?/?$!;
my $url = URI->new_abs($href, $base);
my $path = $url->path;
$path =~ s{/$}{}; # work around for Perl 5.8.7- gh#8
push @list, {
filename => URI::Escape::uri_unescape(File::Basename::basename($path)),
url => URI::Escape::uri_unescape($url->as_string),
};
}
});
$p->parse($res->{content});
return {
type => 'list',
list => \@list,
};
});
$self;
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::Plugin::Decode::HTML - Plugin to extract links from HTML
=head1 VERSION
version 2.84
=head1 SYNOPSIS
use alienfile;
plugin 'Decode::HTML';
=head1 DESCRIPTION
Note: in most case you will want to use L<Alien::Build::Plugin::Download::Negotiate>
instead. It picks the appropriate decode plugin based on your platform and environment.
In some cases you may need to use this plugin directly instead.
This plugin decodes an HTML file listing into a list of candidates for your Prefer plugin.
=head1 SEE ALSO
L<Alien::Build::Plugin::Download::Negotiate>, L<Alien::Build>, L<alienfile>, L<Alien::Build::MM>, L<Alien>
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK �fl\00��� � & perl5/5.32/Alien/Build/Plugin/Test.podnu ��6�$ # PODNAME: Alien::Build::Plugin::Test
# ABSTRACT: Probe Alien::Build plugins
# VERSION
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::Plugin::Test - Probe Alien::Build plugins
=head1 VERSION
version 2.84
=head1 SYNOPSIS
use alienfile;
plugin 'Test::Mock' => (
probe => 'share',
download => 1,
extract => 1,
build => 1,
gather => 1,
);
=head1 DESCRIPTION
Test plugins are used in unit tests for L<Alien::Build> and possibly
its plugins.
=over 4
=item L<Alien::Build::Plugin::Test::Mock>
Mocks common steps in an L<alienfile>.
=back
=head1 SEE ALSO
L<Alien::Build>, L<Alien::Build::Plugin>
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK �fl\�[� ) perl5/5.32/Alien/Build/Plugin/Extract.podnu ��6�$ # PODNAME: Alien::Build::Plugin::Extract
# ABSTRACT: Extract Alien::Build plugins
# VERSION
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::Plugin::Extract - Extract Alien::Build plugins
=head1 VERSION
version 2.84
=head1 SYNOPSIS
use alienfile
share {
plugin 'Extract' => 'tar.gz';
};
=head1 DESCRIPTION
Extract plugins extract packages that have been downloaded from the internet.
Unless you are doing something unusual you will likely want to use the
L<Alien::Build::Plugin::Extract::Negotiate> plugin to select the best
Extract plugin available.
=over 4
=item L<Alien::Build::Plugin::Extract::ArchiveTar>
Extract using C<tar>. Typically also works with compressed tarballs like C<tar.gz>.
=item L<Alien::Build::Plugin::Extract::ArchiveZip>
Extract using L<Archive::Zip>.
=item L<Alien::Build::Plugin::Extract::CommandLine>
Extract using command line tools like C<tar> or C<unxip>.
=item L<Alien::Build::Plugin::Extract::Directory>
Extract a local directory.
=item L<Alien::Build::Plugin::Extract::File>
"Extract" a single file.
=item L<Alien::Build::Plugin::Extract::Negotiate>
Pick the best extract plugin based on the extension of the package archive.
=back
=head1 SEE ALSO
L<Alien::Build>, L<Alien::Build::Plugin>
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK �fl\'��d� � + perl5/5.32/Alien/Build/Plugin/Build/MSYS.pmnu ��6�$ package Alien::Build::Plugin::Build::MSYS;
use strict;
use warnings;
use 5.008004;
use Alien::Build::Plugin;
use File::Which ();
use Env qw( @PATH );
# ABSTRACT: MSYS plugin for Alien::Build
our $VERSION = '2.84'; # VERSION
has msys_version => '0.07';
sub init
{
my($self, $meta) = @_;
if($self->msys_version ne '0.07')
{
$meta->add_requires('configure' => 'Alien::Build::Plugin::Build::MSYS' => '0.84');
}
if(_win_and_needs_msys($meta))
{
$meta->add_requires('share' => 'Alien::MSYS' => $self->msys_version);
$meta->around_hook(
$_ => sub {
my $orig = shift;
my $build = shift;
local $ENV{PATH} = $ENV{PATH};
unshift @PATH, Alien::MSYS::msys_path();
$orig->($build, @_);
},
) for qw( build build_ffi test_share test_ffi );
}
if($^O eq 'MSWin32')
{
# Most likely if we are trying to build something unix-y and
# we are using MSYS, then we want to use the make that comes
# with MSYS.
$meta->interpolator->replace_helper(
make => sub { 'make' },
);
}
$self;
}
sub _win_and_needs_msys
{
my($meta) = @_;
# check to see if we are running on windows.
# if we are running on windows, check to see if
# it is MSYS2, then we can just use that. Otherwise
# we are probably on Strawberry, or (less likely)
# VC Perl, in which case we will still need Alien::MSYS
return 0 unless $^O eq 'MSWin32';
return 0 if $meta->prop->{platform}->{system_type} eq 'windows-mingw';
return 1;
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::Plugin::Build::MSYS - MSYS plugin for Alien::Build
=head1 VERSION
version 2.84
=head1 SYNOPSIS
use alienfile;
plugin 'Build::MSYS';
=head1 DESCRIPTION
This plugin sets up the MSYS environment for your build on Windows. It does
not do anything on non-windows platforms. MSYS provides the essential tools
for building software that is normally expected in a UNIX or POSIX environment.
This like C<sh>, C<awk> and C<make>. To provide MSYS, this plugin uses
L<Alien::MSYS>.
=head1 PROPERTIES
=head2 msys_version
The version of L<Alien::MSYS> required if it is deemed necessary. If L<Alien::MSYS>
isn't needed (if running under Unix, or MSYS2, for example) this will do nothing.
=head1 HELPERS
=head2 make
%{make}
On windows the default C<%{make}> helper is replace with the make that comes with
L<Alien::MSYS>. This is almost certainly what you want, as most unix style make
projects will not build with C<nmake> or C<dmake> typically used by Perl on Windows.
=head1 SEE ALSO
L<Alien::Build::Plugin::Build::Autoconf>, L<Alien::Build::Plugin>, L<Alien::Build>, L<Alien::Base>, L<Alien>
L<http://www.mingw.org/wiki/MSYS>
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK �fl\���% �% / perl5/5.32/Alien/Build/Plugin/Build/Autoconf.pmnu ��6�$ package Alien::Build::Plugin::Build::Autoconf;
use strict;
use warnings;
use 5.008004;
use Alien::Build::Plugin;
use constant _win => $^O eq 'MSWin32';
use Path::Tiny ();
use File::Temp ();
# ABSTRACT: Autoconf plugin for Alien::Build
our $VERSION = '2.84'; # VERSION
has with_pic => 1;
has ffi => 0;
has msys_version => undef;
has config_site => sub {
my $config_site = "# file automatically generated by @{[ __FILE__ ]}\n";
$config_site .= ". $ENV{CONFIG_SITE}\n" if defined $ENV{CONFIG_SITE};
$config_site .= ". $ENV{ALIEN_BUILD_SITE_CONFIG}\n" if defined $ENV{ALIEN_BUILD_SITE_CONFIG};
# on some platforms autofools sorry I mean autotools likes to install into
# exec_prefix/lib64 or even worse exec_prefix/lib/64 but that messes everything
# else up so we try to nip that in the bud.
$config_site .= "libdir='\${prefix}/lib'\n";
$config_site;
};
sub init
{
my($self, $meta) = @_;
$meta->apply_plugin('Build::MSYS',
(defined $self->msys_version ? (msys_version => $self->msys_version) : ()),
);
$meta->prop->{destdir} = 1;
$meta->prop->{autoconf} = 1;
my $intr = $meta->interpolator;
my $set_autoconf_prefix = sub {
my($build) = @_;
my $prefix = $build->install_prop->{prefix};
die "Prefix is not set. Did you forget to run 'make alien_prefix'?"
unless $prefix;
if(_win)
{
$prefix = Path::Tiny->new($prefix)->stringify;
$prefix =~ s!^([a-z]):!/$1!i if _win;
}
$build->install_prop->{autoconf_prefix} = $prefix;
};
$meta->before_hook(
build_ffi => $set_autoconf_prefix,
);
# FFI mode undocumented for now...
if($self->ffi)
{
$meta->add_requires('configure', 'Alien::Build::Plugin::Build::Autoconf' => '0.41');
$meta->default_hook(
build_ffi => [
'%{configure} --enable-shared --disable-static --libdir=%{.install.autoconf_prefix}/dynamic',
'%{make}',
'%{make} install',
]
);
if($^O eq 'MSWin32')
{
# for whatever reason autohell puts the .dll files in bin, even if you
# point --bindir somewhere else.
$meta->after_hook(
build_ffi => sub {
my($build) = @_;
my $prefix = $build->install_prop->{autoconf_prefix};
my $bin = Path::Tiny->new($ENV{DESTDIR})->child($prefix)->child('bin');
my $lib = Path::Tiny->new($ENV{DESTDIR})->child($prefix)->child('dynamic');
if(-d $bin)
{
foreach my $from (grep { $_->basename =~ /.dll$/i } $bin->children)
{
$lib->mkpath;
my $to = $lib->child($from->basename);
$build->log("copy $from => $to");
$from->copy($to);
}
}
}
);
}
}
$meta->around_hook(
build => sub {
my $orig = shift;
my $build = shift;
$set_autoconf_prefix->($build);
my $prefix = $build->install_prop->{autoconf_prefix};
die "Prefix is not set. Did you forget to run 'make alien_prefix'?"
unless $prefix;
local $ENV{CONFIG_SITE} = do {
my $site_config = Path::Tiny->new(File::Temp::tempdir( CLEANUP => 1 ))->child('config.site');
$site_config->spew($self->config_site);
"$site_config";
};
$intr->replace_helper(
configure => sub {
my $configure;
if($build->meta_prop->{out_of_source})
{
my $extract = $build->install_prop->{extract};
$configure = _win ? "sh $extract/configure" : "$extract/configure";
}
else
{
$configure = _win ? 'sh ./configure' : './configure';
}
$configure .= ' --prefix=' . $prefix;
$configure .= ' --with-pic' if $self->with_pic;
$configure;
}
);
my $ret = $orig->($build, @_);
if(_win)
{
my $real_prefix = Path::Tiny->new($build->install_prop->{prefix});
my @pkgconf_dirs;
push @pkgconf_dirs, Path::Tiny->new($ENV{DESTDIR})->child($prefix)->child("$_/pkgconfig") for qw(lib share);
# for any pkg-config style .pc files that are dropped, we need
# to convert the MSYS /C/Foo style paths to C:/Foo
for my $pkgconf_dir (@pkgconf_dirs) {
if(-d $pkgconf_dir)
{
foreach my $pc_file ($pkgconf_dir->children)
{
$pc_file->edit(sub {s/\Q$prefix\E/$real_prefix->stringify/eg;});
}
}
}
}
$ret;
},
);
$intr->add_helper(
configure => sub {
my $configure = _win ? 'sh configure' : './configure';
$configure .= ' --with-pic' if $self->with_pic;
$configure;
},
);
$meta->default_hook(
build => [
'%{configure} --disable-shared',
'%{make}',
'%{make} install',
]
);
$self;
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::Plugin::Build::Autoconf - Autoconf plugin for Alien::Build
=head1 VERSION
version 2.84
=head1 SYNOPSIS
use alienfile;
plugin 'Build::Autoconf';
=head1 DESCRIPTION
This plugin provides some tools for building projects that use autoconf. The main thing
this provides is a C<configure> helper, documented below and the default build stage,
which is:
'%{configure} --disable-shared',
'%{make}',
'%{make} install',
On Windows, this plugin also pulls in the L<Alien::Build::Plugin::Build::MSYS> which is
required for autoconf style projects on windows.
The other thing that this plugin does is that it does a double staged C<DESTDIR> install.
The author has found this improves the overall reliability of L<Alien> modules that are
based on autoconf packages.
This plugin supports out-of-source builds (known in autoconf terms as "VPATH" builds) via
the meta property C<out_of_source>.
B<NOTE>: by itself, this plugin is only intended for use on packages that include a
C<configure> script. For packages that expect you to use Autotools to generate a
configure script before building, you can use L<Alien::Autotools> to generate the
C<configure> script and use this plugin to run it. For more details see the
documentation for L<Alien::Autotools>.
=head1 PROPERTIES
=head2 with_pic
Adds C<--with-pic> option when running C<configure>. If supported by your package, it
will generate position independent code on platforms that support it. This is required
to XS modules, and generally what you want.
autoconf normally ignores options that it does not understand, so it is usually a safe
and reasonable default to include it. A small number of projects look like they use
autoconf, but are really an autoconf style interface with a different implementation.
They may fail if you try to provide it with options such as C<--with-pic> that they do
not recognize. Such packages are the rationale for this property.
=head2 msys_version
The version of L<Alien::MSYS> required if it is deemed necessary. If L<Alien::MSYS>
isn't needed (if running under Unix, or MSYS2, for example) this will do nothing.
=head2 config_site
The content for the generated C<config.site>.
=head1 HELPERS
=head2 configure
%{configure}
The correct incantation to start an autoconf style C<configure> script on your platform.
Some reasonable default flags will be provided.
=head1 ENVIRONMENT
=over 4
=item C<SITE_CONFIG>
For a share install, this plugin needs to alter the behavior of autotools using C<site.config>.
It does this by generating a C<site.config> file on the fly, and setting the C<SITE_CONFIG>
environment variable. In the event that you already have your own C<SITE_CONFIG> set, that
file will be sourced from the generated one, so your local defaults should still be honored,
unless it is one that needs to be changed for a share install.
In particular, the C<lib> directory must be overridden, because on some platforms dynamic libraries
will otherwise be placed in directories that L<Alien::Build> doesn't normally look in. Since
the alienized package will be installed in a share directory, and not a system directory,
that should be fine.
=item C<ALIEN_BUILD_SITE_CONFIG>
If defined, this file will be also be sourced in the generated C<site.config>. This allows
you to have local defaults for alien share installs only.
=back
=head1 SEE ALSO
L<Alien::Build::Plugin::Build::MSYS>, L<Alien::Build::Plugin>, L<Alien::Build>, L<Alien::Base>, L<Alien>
L<https://www.gnu.org/software/autoconf/autoconf.html>
L<https://www.gnu.org/prep/standards/html_node/DESTDIR.html>
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK �fl\y�ݮO O + perl5/5.32/Alien/Build/Plugin/Build/Copy.pmnu ��6�$ package Alien::Build::Plugin::Build::Copy;
use strict;
use warnings;
use 5.008004;
use Alien::Build::Plugin;
use Path::Tiny ();
# ABSTRACT: Copy plugin for Alien::Build
our $VERSION = '2.84'; # VERSION
sub init
{
my($self, $meta) = @_;
$meta->add_requires( 'configure', __PACKAGE__, 0);
if($^O eq 'MSWin32')
{
$meta->register_hook(build => sub {
my($build) = @_;
my $stage = Path::Tiny->new($build->install_prop->{stage})->canonpath;
$build->system(qq{xcopy . "$stage" /E});
});
}
elsif($^O eq 'darwin')
{
# On recent macOS -pPR is the same as -aR
# on older Mac OS X (10.5 at least) -a is not supported but -pPR is.
# Looks like -pPR should also work on coreutils if for some reason
# someone is using coreutils on macOS, although there are semantic
# differences between -pPR and -aR on coreutils, that may or may not be
# important enough to care about.
$meta->register_hook(build => [
'cp -pPR * "%{.install.stage}"',
]);
}
else
{
# TODO: some platforms might not support -a
# I think most platforms will support -r
$meta->register_hook(build => [
'cp -aR * "%{.install.stage}"',
]);
}
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::Plugin::Build::Copy - Copy plugin for Alien::Build
=head1 VERSION
version 2.84
=head1 SYNOPSIS
use alienfile;
plugin 'Build::Copy';
=head1 DESCRIPTION
This plugin copies all of the files from the source to the staging prefix.
This is mainly useful for software packages that are provided as binary
blobs. It works on both Unix and Windows using the appropriate commands
for those platforms without having worry about the platform details in your
L<alienfile>.
If you want to filter add or remove files from what gets installed you can
use a C<before> hook.
build {
...
before 'build' => sub {
# remove or modify files
};
plugin 'Build::Copy';
...
};
Some packages might have binary blobs on some platforms and require build
from source on others. In that situation you can use C<if> statements
with the appropriate logic in your L<alienfile>.
configure {
# normally the Build::Copy plugin will insert itself
# as a config requires, but since it is only used
# on some platforms, you will want to explicitly
# require it in your alienfile in case you build your
# alien dist on a platform that doesn't use it.
requires 'Alien::Build::Plugin::Build::Copy';
};
build {
...
if($^O eq 'linux')
{
start_url 'http://example.com/binary-blob-linux.tar.gz';
plugin 'Download';
plugin 'Extract' => 'tar.gz';
plugin 'Build::Copy';
}
else
{
start_url 'http://example.com/source.tar.gz';
plugin 'Download';
plugin 'Extract' => 'tar.gz';
plugin 'Build::Autoconf';
}
};
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK �fl\��{&� � + perl5/5.32/Alien/Build/Plugin/Build/Make.pmnu ��6�$ package Alien::Build::Plugin::Build::Make;
use strict;
use warnings;
use 5.008004;
use Carp ();
use Capture::Tiny qw( capture );
use Alien::Build::Plugin;
# ABSTRACT: Make plugin for Alien::Build
our $VERSION = '2.84'; # VERSION
has '+make_type' => undef;
sub init
{
my($self, $meta) = @_;
$meta->add_requires('configure', 'Alien::Build::Plugin::Build::Make', '0.99');
my $type = $self->make_type;
return unless defined $type;
$type = 'gmake' if $^O eq 'MSWin32' && $type eq 'umake';
if($type eq 'nmake')
{
$meta->interpolator->replace_helper( make => sub { 'nmake' } );
}
elsif($type eq 'dmake')
{
$meta->interpolator->replace_helper( make => sub { 'dmake' } );
}
elsif($type eq 'gmake')
{
my $found = 0;
foreach my $make (qw( gmake make mingw32-make ))
{
my($out, $err) = capture { system $make, '--version' };
if($out =~ /GNU Make/)
{
$meta->interpolator->replace_helper( make => sub { $make } );
$found = 1;
}
}
unless($found)
{
$meta->add_requires('share' => 'Alien::gmake' => '0.20');
$meta->interpolator->replace_helper('make' => sub { require Alien::gmake; Alien::gmake->exe });
}
}
elsif($type eq 'umake')
{
# nothing
}
else
{
Carp::croak("unknown make type = ", $self->make_type);
}
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::Plugin::Build::Make - Make plugin for Alien::Build
=head1 VERSION
version 2.84
=head1 SYNOPSIS
use alienfile;
# For a recipe that requires GNU Make
plugin 'Build::Make' => 'gmake';
=head1 DESCRIPTION
By default L<Alien::Build> provides a helper for the C<make> that is used by Perl and L<ExtUtils::MakeMaker> itself.
This is handy, because it is the one make that you can mostly guarantee that you will have. Unfortunately it may be
a C<make> that isn't supported by the library or tool that you are trying to alienize. This is mostly a problem on
Windows, where the supported C<make>s for years were Microsoft's C<nmake> and Sun's C<dmake>, which many open source
projects do not use. This plugin will alter the L<alienfile> recipe to use a different C<make>. It may (as in the
case of C<gmake> / L<Alien::gmake>) automatically download and install an alienized version of that C<make> if it
is not already installed.
This plugin should NOT be used with other plugins that replace the C<make> helper, like
L<Alien::Build::Plugin::Build::CMake>, L<Alien::Build::Plugin::Build::Autoconf>,
L<Alien::Build::Plugin::Build::MSYS>. This plugin is intended instead for projects that use vanilla makefiles of
a specific type.
This plugin is for now distributed separately from L<Alien::Build>, but the intention is for it to soon become
a core plugin for L<Alien::Build>.
=head1 PROPERTIES
=head2 make_type
The make type needed by the L<alienfile> recipe:
=over 4
=item dmake
Sun's dmake.
=item gmake
GNU Make.
=item nmake
Microsoft's nmake. It comes with Visual C++.
=item umake
Any UNIX C<make> Usually either BSD or GNU Make.
=back
=head1 HELPERS
=head2 make
%{make}
This plugin may change the make helper used by your L<alienfile> recipe.
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK �fl\����� � , perl5/5.32/Alien/Build/Plugin/Build/CMake.pmnu ��6�$ package Alien::Build::Plugin::Build::CMake;
use strict;
use warnings;
use 5.008004;
use Config;
use Alien::Build::Plugin;
use Capture::Tiny qw( capture );
# ABSTRACT: CMake plugin for Alien::Build
our $VERSION = '2.84'; # VERSION
sub cmake_generator
{
if($^O eq 'MSWin32')
{
return 'MinGW Makefiles' if is_dmake();
{
my($out, $err) = capture { system $Config{make}, '/?' };
return 'NMake Makefiles' if $out =~ /NMAKE/;
}
{
my($out, $err) = capture { system $Config{make}, '--version' };
return 'MinGW Makefiles' if $out =~ /GNU Make/;
}
die 'make not detected';
}
else
{
return 'Unix Makefiles';
}
}
sub init
{
my($self, $meta) = @_;
$meta->prop->{destdir} = $^O eq 'MSWin32' ? 0 : 1;
$meta->add_requires('configure' => 'Alien::Build::Plugin::Build::CMake' => '0.99');
$meta->add_requires('share' => 'Alien::cmake3' => '0.02');
if(is_dmake())
{
# even on at least some older versions of strawberry that do not
# use it, come with gmake in the PATH. So to save us the effort
# of having to install Alien::gmake lets just use that version
# if we can find it!
my $found_gnu_make = 0;
foreach my $exe (qw( gmake make mingw32-make ))
{
my($out, $err) = capture { system $exe, '--version' };
if($out =~ /GNU Make/)
{
$meta->interpolator->replace_helper('make' => sub { $exe });
$found_gnu_make = 1;
last;
}
}
if(!$found_gnu_make)
{
$meta->add_requires('share' => 'Alien::gmake' => '0.20');
$meta->interpolator->replace_helper('make' => sub { require Alien::gmake; Alien::gmake->exe });
}
}
$meta->interpolator->replace_helper('cmake' => sub { require Alien::cmake3; Alien::cmake3->exe });
$meta->interpolator->add_helper('cmake_generator' => \&cmake_generator);
my @args = (
-G => '%{cmake_generator}',
'-DCMAKE_POSITION_INDEPENDENT_CODE:BOOL=true',
'-DCMAKE_INSTALL_PREFIX:PATH=%{.install.prefix}',
'-DCMAKE_INSTALL_LIBDIR:PATH=lib',
'-DCMAKE_MAKE_PROGRAM:PATH=%{make}',
);
$meta->prop->{plugin_build_cmake}->{args} = \@args;
$meta->default_hook(
build => [
['%{cmake}', @args, '%{.install.extract}' ],
['%{make}' ],
['%{make}', 'install' ],
],
);
# TODO: handle destdir on windows ??
}
my $is_dmake;
sub is_dmake
{
unless(defined $is_dmake)
{
if($^O eq 'MSWin32')
{
my($out, $err) = capture { system $Config{make}, '-V' };
$is_dmake = $out =~ /dmake/ ? 1 : 0;
}
else
{
$is_dmake = 0;
}
}
$is_dmake;
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::Plugin::Build::CMake - CMake plugin for Alien::Build
=head1 VERSION
version 2.84
=head1 SYNOPSIS
use alienfile;
share {
plugin 'Build::CMake';
build [
# this is the default build step, if you do not specify one.
[ '%{cmake}',
@{ meta->prop->{plugin_build_cmake}->{args} },
# ... put extra cmake args here ...
'%{.install.extract}'
],
'%{make}',
'%{make} install',
];
};
=head1 DESCRIPTION
This plugin helps build alienized projects that use C<cmake>.
The intention is to make this a core L<Alien::Build> plugin if/when
it becomes stable enough.
This plugin provides a meta property C<plugin_build_cmake.args> which may change over time
but for the moment includes:
-G %{cmake_generator} \
-DCMAKE_POSITION_INDEPENDENT_CODE:BOOL=true \
-DCMAKE_INSTALL_PREFIX:PATH=%{.install.prefix} \
-DCMAKE_INSTALL_LIBDIR:PATH=lib \
-DCMAKE_MAKE_PROGRAM:PATH=%{make}
This plugin supports out-of-source builds via the meta property C<out_of_source>.
=head1 METHODS
=head2 cmake_generator
Returns the C<cmake> generator according to your Perl's C<make>.
=head2 is_dmake
Returns true if your Perls C<make> appears to be C<dmake>.
=head1 HELPERS
=head2 cmake
This plugin replaces the default C<cmake> helper with the one that comes from L<Alien::cmake3>.
=head2 cmake_generator
This is the appropriate C<cmake> generator to use based on the make used by your Perl. This is
frequently C<Unix Makefiles>. One place where it may be different is if your Windows Perl uses
C<nmake>, which comes with Visual C++.
=head2 make
This plugin I<may> replace the default C<make> helper if the default C<make> is not supported by
C<cmake>. This is most often an issue with older versions of Strawberry Perl which used C<dmake>.
On Perls that use C<dmake>, this plugin will search for GNU Make in the PATH, and if it can't be
found will fallback on using L<Alien::gmake>.
=head1 SEE ALSO
=over 4
=item L<Alien::Build>
=item L<Alien::Build::Plugin::Build::Autoconf>
=item L<alienfile>
=back
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK �fl\1uNn n 0 perl5/5.32/Alien/Build/Plugin/Build/SearchDep.pmnu ��6�$ package Alien::Build::Plugin::Build::SearchDep;
use strict;
use warnings;
use 5.008004;
use Alien::Build::Plugin;
use Text::ParseWords qw( shellwords );
# ABSTRACT: Add dependencies to library and header search path
our $VERSION = '2.84'; # VERSION
has aliens => {};
has public_I => 0;
has public_l => 0;
sub init
{
my($self, $meta) = @_;
$meta->add_requires('configure' => 'Alien::Build::Plugin::Build::SearchDep' => '0.35');
$meta->add_requires('share' => 'Env::ShellWords' => 0.01);
if($self->public_I || $self->public_l)
{
$meta->add_requires('configure' => 'Alien::Build::Plugin::Build::SearchDep' => '0.53');
}
my @aliens;
if(ref($self->aliens) eq 'HASH')
{
@aliens = keys %{ $self->aliens };
$meta->add_requires('share' => $_ => $self->aliens->{$_}) for @aliens;
}
else
{
@aliens = ref $self->aliens ? @{ $self->aliens } : ($self->aliens);
$meta->add_requires('share' => $_ => 0) for @aliens;
}
$meta->around_hook(
build => sub {
my($orig, $build) = @_;
local $ENV{CFLAGS} = $ENV{CFLAGS};
local $ENV{CXXFLAGS} = $ENV{CXXFLAGS};
local $ENV{LDFLAGS} = $ENV{LDFLAGS};
tie my @CFLAGS, 'Env::ShellWords', 'CFLAGS';
tie my @CXXFLAGS, 'Env::ShellWords', 'CXXFLAGS';
tie my @LDFLAGS, 'Env::ShellWords', 'LDFLAGS';
my $cflags = $build->install_prop->{plugin_build_searchdep_cflags} = [];
my $ldflags = $build->install_prop->{plugin_build_searchdep_ldflags} = [];
my $libs = $build->install_prop->{plugin_build_searchdep_libs} = [];
foreach my $other (@aliens)
{
my $other_cflags;
my $other_libs;
if($other->install_type('share'))
{
$other_cflags = $other->cflags_static;
$other_libs = $other->libs_static;
}
else
{
$other_cflags = $other->cflags;
$other_libs = $other->libs;
}
unshift @$cflags, grep /^-I/, shellwords($other_cflags);
unshift @$ldflags, grep /^-L/, shellwords($other_libs);
unshift @$libs, grep /^-l/, shellwords($other_libs);
}
unshift @CFLAGS, @$cflags;
unshift @CXXFLAGS, @$cflags;
unshift @LDFLAGS, @$ldflags;
$orig->($build);
},
);
$meta->after_hook(
gather_share => sub {
my($build) = @_;
$build->runtime_prop->{libs} = '' unless defined $build->runtime_prop->{libs};
$build->runtime_prop->{libs_static} = '' unless defined $build->runtime_prop->{libs_static};
if($self->public_l)
{
$build->runtime_prop->{$_} = join(' ', _space_escape(@{ $build->install_prop->{plugin_build_searchdep_libs} })) . ' ' . $build->runtime_prop->{$_}
for qw( libs libs_static );
}
$build->runtime_prop->{$_} = join(' ', _space_escape(@{ $build->install_prop->{plugin_build_searchdep_ldflags} })) . ' ' . $build->runtime_prop->{$_}
for qw( libs libs_static );
if($self->public_I)
{
$build->runtime_prop->{cflags} = '' unless defined $build->runtime_prop->{cflags};
$build->runtime_prop->{cflags_static} = '' unless defined $build->runtime_prop->{cflags_static};
$build->runtime_prop->{$_} = join(' ', _space_escape(@{ $build->install_prop->{plugin_build_searchdep_cflags} })) . ' ' . $build->runtime_prop->{$_}
for qw( cflags cflags_static );
}
},
);
}
sub _space_escape
{
map {
my $str = $_;
$str =~ s{(\s)}{\\$1}g;
$str;
} @_;
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::Plugin::Build::SearchDep - Add dependencies to library and header search path
=head1 VERSION
version 2.84
=head1 SYNOPSIS
use alienfile;
plugin 'Build::SearchDep' => (
aliens => [qw( Alien::Foo Alien::Bar )],
);
=head1 DESCRIPTION
This plugin adds the other aliens as prerequisites, and adds their header and library
search path to C<CFLAGS> and C<LDFLAGS> environment variable, so that tools that use
them (like autoconf) can pick them up.
=head1 PROPERTIES
=head2 aliens
Either a list reference or hash reference of the other aliens. If a hash reference
then the keys are the class names and the values are the versions of those classes.
=head2 public_I
Include the C<-I> flags when setting the runtime cflags property.
=head2 public_l
Include the C<-l> flags when setting the runtime libs property.
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK �fl\��j
j
' perl5/5.32/Alien/Build/Plugin/Fetch.podnu ��6�$ # PODNAME: Alien::Build::Plugin::Fetch
# ABSTRACT: Fetch Alien::Build plugins
# VERSION
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::Plugin::Fetch - Fetch Alien::Build plugins
=head1 VERSION
version 2.84
=head1 SYNOPSIS
use alienfile;
share {
start_url 'http://ftp.gnu.org/gnu/make';
plugin 'Download';
};
=head1 DESCRIPTION
Fetch plugins retrieve single resources from the internet. The difference
between a Fetch plugin and a Download plugin is that Download
plugin may fetch several resources from the internet (usually using
a Fetch plugin), before finding the final archive. Normally you
will not need to use Fetch plugins directly but should instead
use the L<Alien::Build::Plugin::Download::Negotiate> plugin, which
will pick the best plugins for your given URL.
=over 4
=item L<Alien::Build::Plugin::Fetch::CurlCommand>
Fetch using the C<curl> command.
=item L<Alien::Build::Plugin::Fetch::HTTPTiny>
Fetch using L<HTTP::Tiny>.
=item L<Alien::Build::Plugin::Fetch::LWP>
Fetch using L<LWP::UserAgent>.
=item L<Alien::Build::Plugin::Fetch::Local>
Fetch from a local file. This is typically used to bundle packages with your L<Alien>.
=item L<Alien::Build::Plugin::Fetch::LocalDir>
Fetch from a local directory. This is typically used to bundle packages with your L<Alien>.
=item L<Alien::Build::Plugin::Fetch::NetFTP>
Fetch using L<Net::FTP>. Use of FTP should be discouraged as of this writing (August 2022).
=item L<Alien::Build::Plugin::Fetch::Wget>
Fetch using C<wget>.
=back
=head1 SEE ALSO
L<Alien::Build>, L<Alien::Build::Plugin>
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK �fl\\1� � 2 perl5/5.32/Alien/Build/Plugin/Probe/CommandLine.pmnu ��6�$ package Alien::Build::Plugin::Probe::CommandLine;
use strict;
use warnings;
use 5.008004;
use Alien::Build::Plugin;
use Carp ();
use Capture::Tiny qw( capture );
use File::Which ();
use Alien::Util qw( version_cmp );
# ABSTRACT: Probe for tools or commands already available
our $VERSION = '2.84'; # VERSION
has '+command' => sub { Carp::croak "@{[ __PACKAGE__ ]} requires command property" };
has 'args' => [];
has 'secondary' => 0;
has 'match' => undef;
has 'match_stderr' => undef;
has 'version' => undef;
has 'version_stderr' => undef;
has 'atleast_version' => undef;
sub init
{
my($self, $meta) = @_;
my $check = sub {
my($build) = @_;
unless(File::Which::which($self->command))
{
die 'Command not found ' . $self->command;
}
if(defined $self->match || defined $self->match_stderr || defined $self->version || defined $self->version_stderr)
{
my($out,$err,$ret) = capture {
system( $self->command, @{ $self->args } );
};
die 'Command did not return a true value' if $ret;
die 'Command output did not match' if defined $self->match && $out !~ $self->match;
die 'Command standard error did not match' if defined $self->match_stderr && $err !~ $self->match_stderr;
if (defined $self->version or defined $self->version_stderr)
{
my $found_version = '0';
if(defined $self->version)
{
if($out =~ $self->version)
{
$found_version = $1;
$build->runtime_prop->{version} = $found_version;
}
}
if(defined $self->version_stderr)
{
if($err =~ $self->version_stderr)
{
$found_version = $1;
$build->hook_prop->{version} = $found_version;
$build->runtime_prop->{version} = $found_version;
}
}
if (my $atleast_version = $self->atleast_version)
{
if(version_cmp ($found_version, $self->atleast_version) < 0)
{
# reset the versions
$build->runtime_prop->{version} = undef;
$build->hook_prop->{version} = undef;
die "CommandLine probe found version $found_version, but at least $atleast_version is required.";
}
}
}
}
$build->runtime_prop->{command} = $self->command;
'system';
};
if($self->secondary)
{
$meta->around_hook(
probe => sub {
my $orig = shift;
my $build = shift;
my $type = $orig->($build, @_);
return $type unless $type eq 'system';
$check->($build);
},
);
}
else
{
$meta->register_hook(
probe => $check,
);
}
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::Plugin::Probe::CommandLine - Probe for tools or commands already available
=head1 VERSION
version 2.84
=head1 SYNOPSIS
use alienfile;
plugin 'Probe::CommandLine' => (
command => 'gzip',
args => [ '--version' ],
match => qr/gzip/,
version => qr/gzip ([0-9\.]+)/,
);
=head1 DESCRIPTION
This plugin probes for the existence of the given command line program.
=head1 PROPERTIES
=head2 command
The name of the command.
=head2 args
The arguments to pass to the command.
=head2 secondary
If you are using another probe plugin (such as L<Alien::Build::Plugin::Probe::CBuilder> or
L<Alien::Build::Plugin::PkgConfig::Negotiate>) to detect the existence of a library, but
also need a program to exist, then you should set secondary to a true value. For example
when you need both:
use alienfile;
# requires both liblzma library and xz program
plugin 'PkgConfig' => 'liblzma';
plugin 'Probe::CommandLine' => (
command => 'xz',
secondary => 1,
);
When you don't:
use alienfile;
plugin 'Probe::CommandLine' => (
command => 'gzip',
secondary => 0, # default
);
=head2 match
Regular expression for which the program output should match.
=head2 match_stderr
Regular expression for which the program standard error should match.
=head2 version
Regular expression to parse out the version from the program output.
The regular expression should store the version number in C<$1>.
=head2 version_stderr
Regular expression to parse out the version from the program standard error.
The regular expression should store the version number in C<$1>.
=head2 atleast_version
The minimum required version as provided by the system.
=head1 SEE ALSO
L<Alien::Build>, L<alienfile>, L<Alien::Build::MM>, L<Alien>
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK �fl\� M� / perl5/5.32/Alien/Build/Plugin/Probe/CBuilder.pmnu ��6�$ package Alien::Build::Plugin::Probe::CBuilder;
use strict;
use warnings;
use 5.008004;
use Alien::Build::Plugin;
use File::chdir;
use File::Temp ();
use Capture::Tiny qw( capture_merged capture );
use Alien::Util qw( version_cmp );
# ABSTRACT: Probe for system libraries by guessing with ExtUtils::CBuilder
our $VERSION = '2.84'; # VERSION
has options => sub { {} };
has cflags => '';
has libs => '';
has program => 'int main(int argc, char *argv[]) { return 0; }';
has version => undef;
has 'atleast_version' => undef;
has aliens => [];
has lang => 'C';
sub init
{
my($self, $meta) = @_;
$meta->add_requires('configure' => 'ExtUtils::CBuilder' => 0 );
if(@{ $self->aliens })
{
die "You can't specify both 'aliens' and either 'cflags' or 'libs' for the Probe::CBuilder plugin" if $self->cflags || $self->libs;
$meta->add_requires('configure' => $_ => 0 ) for @{ $self->aliens };
$meta->add_requires('Alien::Build::Plugin::Probe::CBuilder' => '0.53');
my $cflags = '';
my $libs = '';
foreach my $alien (@{ $self->aliens })
{
my $pm = "$alien.pm";
$pm =~ s/::/\//g;
require $pm;
$cflags .= $alien->cflags . ' ';
$libs .= $alien->libs . ' ';
}
$self->cflags($cflags);
$self->libs($libs);
}
my @cpp;
if($self->lang ne 'C')
{
$meta->add_requires('Alien::Build::Plugin::Probe::CBuilder' => '0.53');
@cpp = ('C++' => 1) if $self->lang eq 'C++';
}
$meta->register_hook(
probe => sub {
my($build) = @_;
$build->hook_prop->{probe_class} = __PACKAGE__;
$build->hook_prop->{probe_instance_id} = $self->instance_id;
local $CWD = File::Temp::tempdir( CLEANUP => 1, DIR => $CWD );
open my $fh, '>', 'mytest.c';
print $fh $self->program;
close $fh;
$build->log("trying: cflags=@{[ $self->cflags ]} libs=@{[ $self->libs ]}");
my $cb = ExtUtils::CBuilder->new(%{ $self->options });
my($out1, $obj) = capture_merged { eval {
$cb->compile(
source => 'mytest.c',
extra_compiler_flags => $self->cflags,
@cpp,
);
} };
if(my $error = $@)
{
$build->log("compile failed: $error");
$build->log("compile failed: $out1");
die $error;
}
my($out2, $exe) = capture_merged { eval {
$cb->link_executable(
objects => [$obj],
extra_linker_flags => $self->libs,
);
} };
if(my $error = $@)
{
$build->log("link failed: $error");
$build->log("link failed: $out2");
die $error;
}
my($out, $err, $ret) = capture { system($^O eq 'MSWin32' ? $exe : "./$exe") };
die "execute failed" if $ret;
my $cflags = $self->cflags;
my $libs = $self->libs;
$cflags =~ s{\s*$}{ };
$libs =~ s{\s*$}{ };
$build->install_prop->{plugin_probe_cbuilder_gather}->{$self->instance_id} = {
cflags => $cflags,
libs => $libs,
};
if(defined $self->version)
{
my($version) = $out =~ $self->version;
if (defined $self->atleast_version)
{
if(version_cmp ($version, $self->atleast_version) < 0)
{
die "CBuilder probe found version $version, but at least @{[ $self->atleast_version ]} is required.";
}
}
$build->hook_prop->{version} = $version;
$build->install_prop->{plugin_probe_cbuilder_gather}->{$self->instance_id}->{version} = $version;
}
'system';
}
);
$meta->register_hook(
gather_system => sub {
my($build) = @_;
return if $build->hook_prop->{name} eq 'gather_system'
&& ($build->install_prop->{system_probe_instance_id} || '') ne $self->instance_id;
if(my $p = $build->install_prop->{plugin_probe_cbuilder_gather}->{$self->instance_id})
{
$build->runtime_prop->{$_} = $p->{$_} for keys %$p;
}
},
);
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::Plugin::Probe::CBuilder - Probe for system libraries by guessing with ExtUtils::CBuilder
=head1 VERSION
version 2.84
=head1 SYNOPSIS
use alienfile;
plugin 'Probe::CBuilder' => (
cflags => '-I/opt/libfoo/include',
libs => '-L/opt/libfoo/lib -lfoo',
);
alternately:
ues alienfile;
plugin 'Probe::CBuilder' => (
aliens => [ 'Alien::libfoo', 'Alien::libbar' ],
);
=head1 DESCRIPTION
This plugin probes for compiler and linker flags using L<ExtUtils::CBuilder>. This is a useful
alternative to L<Alien::Build::Plugin::PkgConfig::Negotiate> for packages that do not provide
a pkg-config C<.pc> file, or for when those C<.pc> files may not be available. (For example,
on FreeBSD, C<libarchive> is a core part of the operating system, but doesn't include a C<.pc>
file which is usually provided when you install the C<libarchive> package on Linux).
=head1 PROPERTIES
=head2 options
Any extra options that you want to have passed into the constructor to L<ExtUtils::CBuilder>.
=head2 cflags
The compiler flags.
=head2 libs
The linker flags
=head2 program
The program to use in the test.
=head2 version
This is a regular expression to parse the version out of the output from the
test program.
=head2 atleast_version
The minimum required version as provided by the system.
=head2 aliens
List of aliens to query fro compiler and linker flags.
=head2 lang
The programming language to use. One of either C<C> or C<C++>.
=head1 SEE ALSO
L<Alien::Build>, L<alienfile>, L<Alien::Build::MM>, L<Alien>
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK �fl\�M�� , perl5/5.32/Alien/Build/Plugin/Probe/Vcpkg.pmnu ��6�$ package Alien::Build::Plugin::Probe::Vcpkg;
use strict;
use warnings;
use 5.008004;
use Alien::Build::Plugin;
# ABSTRACT: Probe for system libraries using Vcpkg
our $VERSION = '2.84'; # VERSION
has '+name';
has 'lib';
has 'ffi_name';
has 'include';
sub init
{
my($self, $meta) = @_;
if(defined $self->include)
{
$meta->add_requires('configure' => 'Alien::Build::Plugin::Probe::Vcpkg' => '2.16' );
}
elsif(defined $self->ffi_name)
{
$meta->add_requires('configure' => 'Alien::Build::Plugin::Probe::Vcpkg' => '2.14' );
}
else
{
$meta->add_requires('configure' => 'Alien::Build::Plugin::Probe::Vcpkg' => '0' );
}
if($meta->prop->{platform}->{compiler_type} eq 'microsoft')
{
$meta->register_hook(
probe => sub {
my($build) = @_;
$build->hook_prop->{probe_class} = __PACKAGE__;
$build->hook_prop->{probe_instance_id} = $self->instance_id;
eval {
require Win32::Vcpkg;
require Win32::Vcpkg::List;
require Win32::Vcpkg::Package;
Win32::Vcpkg->VERSION('0.02');
};
if(my $error = $@)
{
$build->log("unable to load Win32::Vcpkg: $error");
return 'share';
}
my $package;
if($self->name)
{
$package = Win32::Vcpkg::List->new
->search($self->name, include => $self->include);
}
elsif($self->lib)
{
$package = eval { Win32::Vcpkg::Package->new( lib => $self->lib, include => $self->include) };
return 'share' if $@;
}
else
{
$build->log("you must provode either name or lib property for Probe::Vcpkg");
return 'share';
}
my $version = $package->version;
$version = 'unknown' unless defined $version;
$build->install_prop->{plugin_probe_vcpkg}->{$self->instance_id} = {
version => $version,
cflags => $package->cflags,
libs => $package->libs,
};
$build->hook_prop->{version} = $version;
$build->install_prop->{plugin_probe_vcpkg}->{$self->instance_id}->{ffi_name} = $self->ffi_name
if defined $self->ffi_name;
return 'system';
},
);
$meta->register_hook(
gather_system => sub {
my($build) = @_;
return if $build->hook_prop->{name} eq 'gather_system'
&& ($build->install_prop->{system_probe_instance_id} || '') ne $self->instance_id;
if(my $c = $build->install_prop->{plugin_probe_vcpkg}->{$self->instance_id})
{
$build->runtime_prop->{version} = $c->{version} unless defined $build->runtime_prop->{version};
$build->runtime_prop->{$_} = $c->{$_} for grep { defined $c->{$_} } qw( cflags libs ffi_name );
}
},
);
}
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::Plugin::Probe::Vcpkg - Probe for system libraries using Vcpkg
=head1 VERSION
version 2.84
=head1 SYNOPSIS
use alienfile;
plugin 'Probe::Vcpkg' => 'libffi';
=head1 DESCRIPTION
This plugin probe can be used to find "system" packages using Microsoft's C<Vcpkg> package manager for
Visual C++ builds of Perl. C<Vcpkg> is a package manager for Visual C++ that includes a number of
open source packages. Although C<Vcpkg> does also support Linux and macOS, this plugin does not
support finding C<Vcpkg> packages on those platforms. For more details on C<Vcpkg>, see the project
github page here:
L<https://github.com/microsoft/vcpkg>
Here is the quick start guide for getting L<Alien::Build> to work with C<Vpkg>:
# install Vcpkg
C:\> git clone https://github.com/Microsoft/vcpkg.git
C:\> cd vcpkg
C:\vcpkg> .\bootstrap-vcpkg.bat
C:\vcpkg> .\vcpkg integrate install
# update PATH to include the bin directory
# so that .DLL files can be found by Perl
C:\vcpkg> path c:\vcpkg\installed\x64-windows\bin;%PATH%
# install the packages that you want
C:\vcpkg> .\vcpkg install libffi
# install the alien that uses it
C:\vcpkg> cpanm Alien::FFI
If you are using 32 bit build of Perl, then substitute C<x86-windows> for C<x64-windows>. If you do
not want to add the C<bin> directory to the C<PATH>, then you can use C<x64-windows-static> instead,
which will provide static libraries. (As of this writing static libraries for 32 bit Windows are not
available). The main downside to using C<x64-windows-static> is that Aliens that require dynamic
libraries for FFI will not be installable.
If you do not want to install C<Vcpkg> user wide (the C<integrate install> command above), then you
can use the C<PERL_WIN32_VCPKG_ROOT> environment variable instead:
# install Vcpkg
C:\> git clone https://github.com/Microsoft/vcpkg.git
C:\> cd vcpkg
C:\vcpkg> .\bootstrap-vcpkg.bat
C:\vcpkg> set PERL_WIN32_VCPKG_ROOT=c:\vcpkg
=head1 PROPERTIES
=head2 name
Specifies the name of the Vcpkg. This should not be used with the C<lib> property below, choose only one.
This is the default property, so these two are equivalent:
plugin 'Probe::Vcpkg' => (name => 'foo');
and
plugin 'Probe::Vcpkg' => 'foo';
=head2 lib
Specifies the list of libraries that make up the Vcpkg. This should not be used with the C<name> property
above, choose only one. Note that using this detection method, the version number of the package will
not be automatically determined (since multiple packages could potentially make up the list of libraries),
so you need to determine the version number another way if you need it.
This must be an array reference. Do not include the C<.lib> extension.
plugin 'Probe::Vcpkg' => (lib => ['foo','bar']);
=head2 ffi_name
Specifies an alternate ffi_name for finding dynamic libraries.
=head1 SEE ALSO
L<Alien::Build>, L<alienfile>, L<Alien::Build::MM>, L<Alien>
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK �fl\3V�� � ' perl5/5.32/Alien/Build/Plugin/Build.podnu ��6�$ # PODNAME: Alien::Build::Plugin::Build
# ABSTRACT: Build Alien::Build plugins
# VERSION
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::Plugin::Build - Build Alien::Build plugins
=head1 VERSION
version 2.84
=head1 SYNOPSIS
For autoconf:
use alienfile;
plugin 'Build::Autoconf';
for unixy (even on windows):
use alienfile;
plugin 'Build::MSYS';
=head1 DESCRIPTION
Build plugins provide tools for building your package once it has been
downloaded and extracted.
=over 4
=item L<Alien::Build::Plugin::Build::Autoconf>
For dealing with packages that are configured using autotools,
or an autotools-like C<configure> script.
=item L<Alien::Build::Plugin::Build::CMake>
For dealing with packages that are configured and built using CMake.
=item L<Alien::Build::Plugin::Build::Copy>
For dealing with packages that do not require any build, and can just
be copied into their final location.
=item L<Alien::Build::Plugin::Build::MSYS>
For dealing with packages that require MSYS on Windows in order to
build. This plugin is typically a no-op on other platforms.
=item L<Alien::Build::Plugin::Build::Make>
For dealing with packages that require Make to build. Several
flavors of Make are supported, including GNU Make and BSD Make.
=item L<Alien::Build::Plugin::Build::SearchDep>
Add other L<Alien>s as dependencies.
=back
=head1 SEE ALSO
L<Alien::Build>, L<Alien::Build::Plugin>
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK �fl\.���R R * perl5/5.32/Alien/Build/Plugin/Download.podnu ��6�$ # PODNAME: Alien::Build::Plugin::Download
# ABSTRACT: Download Alien::Build plugins
# VERSION
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::Plugin::Download - Download Alien::Build plugins
=head1 VERSION
version 2.84
=head1 SYNOPSIS
use alienfile
share {
start_url 'http://ftp.gnu.org/gnu/make';
plugin 'Download';
};
=head1 DESCRIPTION
Download plugins download packages from the internet.
=over 4
=item L<Alien::Build::Plugin::Download::Negotiate>
=back
=head1 SEE ALSO
L<Alien::Build>, L<Alien::Build::Plugin>
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK �fl\�QM:� � ( perl5/5.32/Alien/Build/Plugin/Gather.podnu ��6�$ # PODNAME: Alien::Build::Plugin::Gather
# ABSTRACT: Gather Alien::Build plugins
# VERSION
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::Plugin::Gather - Gather Alien::Build plugins
=head1 VERSION
version 2.84
=head1 SYNOPSIS
use alienfile;
plugin 'Gather::IsolateDynamic'; # just as an example
=head1 DESCRIPTION
Gather plugins enhance L<alienfile> recipes at the gather stage, either
during a C<system> or C<share> install.
=over 4
=item L<Alien::Build::Plugin::Gather::IsolateDynamic>
Isolate dynamic libraries (C<.so>, <.DLL> or <.dylib>) so that they aren't used
by XS.
=back
=head1 SEE ALSO
L<Alien::Build>, L<Alien::Build::Plugin>
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK �fl\-���E
E
6 perl5/5.32/Alien/Build/Plugin/Gather/IsolateDynamic.pmnu ��6�$ package Alien::Build::Plugin::Gather::IsolateDynamic;
use strict;
use warnings;
use 5.008004;
use Alien::Build::Plugin;
use Path::Tiny ();
use Alien::Build::Util qw( _destdir_prefix );
use File::Copy ();
# ABSTRACT: Plugin to gather dynamic libraries into a separate directory
our $VERSION = '2.84'; # VERSION
sub init
{
my($self, $meta) = @_;
# plugin was introduced in 0.42, but had a bug which was fixed in 0.48
$meta->add_requires('share' => 'Alien::Build::Plugin::Gather::IsolateDynamic' => '0.48' );
$meta->after_hook(
gather_share => sub {
my($build) = @_;
$build->log("Isolating dynamic libraries ...");
my $install_root;
if($build->meta_prop->{destdir})
{
my $destdir = $ENV{DESTDIR};
$install_root = Path::Tiny->new(_destdir_prefix($ENV{DESTDIR}, $build->install_prop->{prefix}));
}
else
{
$install_root = Path::Tiny->new($build->install_prop->{stage});
}
foreach my $dir (map { $install_root->child($_) } qw( bin lib ))
{
next unless -d $dir;
foreach my $from ($dir->children)
{
next unless $from->basename =~ /\.so/
|| $from->basename =~ /\.(dylib|bundle|la|dll|dll\.a)$/;
my $to = $install_root->child('dynamic', $from->basename);
$to->parent->mkpath;
unlink "$to" if -e $to;
$build->log("move @{[ $from->parent->basename ]}/@{[ $from->basename ]} => dynamic/@{[ $to->basename ]}");
File::Copy::move("$from", "$to") || die "unable to move $from => $to $!";
}
}
$build->log(" Done!");
},
);
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::Plugin::Gather::IsolateDynamic - Plugin to gather dynamic libraries into a separate directory
=head1 VERSION
version 2.84
=head1 SYNOPSIS
use alienfile;
plugin 'Gather::IsolateDynamic';
=head1 DESCRIPTION
This plugin moves dynamic libraries from the C<lib> and C<bin> directories and puts them in
their own C<dynamic> directory. This allows them to be used by FFI modules, but to be ignored
by XS modules.
This plugin provides the equivalent functionality of the C<alien_isolate_dynamic> attribute
from L<Alien::Base::ModuleBuild>.
=head1 SEE ALSO
L<Alien::Build>, L<alienfile>
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK �fl\
l7�g
g
5 perl5/5.32/Alien/Build/Plugin/PkgConfig/MakeStatic.pmnu ��6�$ package Alien::Build::Plugin::PkgConfig::MakeStatic;
use strict;
use warnings;
use 5.008004;
use Alien::Build::Plugin;
use Path::Tiny ();
# ABSTRACT: Convert .pc files into static
our $VERSION = '2.84'; # VERSION
has path => undef;
sub _convert
{
my($self, $build, $path) = @_;
die "unable to read $path" unless -r $path;
die "unable to write $path" unless -w $path;
$build->log("converting $path to static");
my %h = map {
my($key, $value) = /^(.*?):(.*?)$/;
$value =~ s{^\s+}{};
$value =~ s{\s+$}{};
($key => $value);
} grep /^(?:Libs|Cflags)(?:\.private)?:/, $path->lines;
$h{Cflags} = '' unless defined $h{Cflags};
$h{Libs} = '' unless defined $h{Libs};
$h{Cflags} .= ' ' . $h{"Cflags.private"} if defined $h{"Cflags.private"};
$h{Libs} .= ' ' . $h{"Libs.private"} if defined $h{"Libs.private"};
$h{"Cflags.private"} = '';
$h{"Libs.private"} = '';
$path->edit_lines(sub {
if(/^(.*?):/)
{
my $key = $1;
if(defined $h{$key})
{
s/^(.*?):.*$/$1: $h{$key} /;
delete $h{$key};
}
}
});
$path->append("$_: $h{$_}\n") foreach keys %h;
}
sub _recurse
{
my($self, $build, $dir) = @_;
foreach my $child ($dir->children)
{
if(-d $child)
{
$self->_recurse($build, $child);
}
elsif($child->basename =~ /\.pc$/)
{
$self->_convert($build, $child);
}
}
}
sub init
{
my($self, $meta) = @_;
$meta->add_requires('configure' => 'Alien::Build::Plugin::Build::SearchDep' => '0.35');
$meta->before_hook(
gather_share => sub {
my($build) = @_;
if($self->path)
{
$self->_convert($build, Path::Tiny->new($self->path)->absolute);
}
else
{
$self->_recurse($build, Path::Tiny->new(".")->absolute);
}
},
);
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::Plugin::PkgConfig::MakeStatic - Convert .pc files into static
=head1 VERSION
version 2.84
=head1 SYNOPSIS
use alienfile;
plugin 'PkgConfig::MakeStatic' => (
path => 'lib/pkgconfig/foo.pc',
);
=head1 DESCRIPTION
Convert C<.pc> file to use static linkage by default. This is an experimental
plugin, so use with caution.
=head1 PROPERTIES
=head2 path
The path to the C<.pc> file. If not provided, all C<.pc> files in the stage
directory will be converted.
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK �fl\�O*a� � 6 perl5/5.32/Alien/Build/Plugin/PkgConfig/CommandLine.pmnu ��6�$ package Alien::Build::Plugin::PkgConfig::CommandLine;
use strict;
use warnings;
use 5.008004;
use Alien::Build::Plugin;
use Carp ();
# ABSTRACT: Probe system and determine library or tool properties using the pkg-config command line interface
our $VERSION = '2.84'; # VERSION
has '+pkg_name' => sub {
Carp::croak "pkg_name is a required property";
};
# NOT used, for compat with other PkgConfig plugins
has register_prereqs => 1;
sub _bin_name {
# We prefer pkgconf to pkg-config because it seems to be the future.
require File::Which;
File::Which::which($ENV{PKG_CONFIG})
? $ENV{PKG_CONFIG}
: File::Which::which('pkgconf')
? 'pkgconf'
: File::Which::which('pkg-config')
? 'pkg-config'
: undef;
};
has bin_name => \&_bin_name;
has atleast_version => undef;
has exact_version => undef;
has max_version => undef;
has minimum_version => undef;
sub _val
{
my($build, $args, $prop_name) = @_;
my $string = $args->{out};
chomp $string;
$string =~ s{^\s+}{};
if($prop_name =~ /version$/)
{ $string =~ s{\s*$}{} }
else
{ $string =~ s{\s*$}{ } }
if($prop_name =~ /^(.*?)\.(.*?)\.(.*?)$/)
{ $build->runtime_prop->{$1}->{$2}->{$3} = $string }
else
{ $build->runtime_prop->{$prop_name} = $string }
();
}
sub available
{
!!_bin_name();
}
sub init
{
my($self, $meta) = @_;
my @probe;
my @gather;
my $pkgconf = $self->bin_name;
unless(defined $meta->prop->{env}->{PKG_CONFIG})
{
$meta->prop->{env}->{PKG_CONFIG} = $pkgconf;
}
my($pkg_name, @alt_names) = (ref $self->pkg_name) ? (@{ $self->pkg_name }) : ($self->pkg_name);
push @probe, map { [$pkgconf, '--exists', $_] } ($pkg_name, @alt_names);
if(defined $self->minimum_version)
{
push @probe, [ $pkgconf, '--atleast-version=' . $self->minimum_version, $pkg_name ];
}
elsif(defined $self->atleast_version)
{
push @probe, [ $pkgconf, '--atleast-version=' . $self->atleast_version, $pkg_name ];
}
if(defined $self->exact_version)
{
push @probe, [ $pkgconf, '--exact-version=' . $self->exact_version, $pkg_name ];
}
if(defined $self->max_version)
{
push @probe, [ $pkgconf, '--max-version=' . $self->max_version, $pkg_name ];
}
push @probe, [ $pkgconf, '--modversion', $pkg_name, sub {
my($build, $args) = @_;
my $version = $args->{out};
$version =~ s{^\s+}{};
$version =~ s{\s*$}{};
$build->hook_prop->{version} = $version;
}];
unshift @probe, sub {
my($build) = @_;
$build->runtime_prop->{legacy}->{name} ||= $pkg_name;
$build->hook_prop->{probe_class} = __PACKAGE__;
$build->hook_prop->{probe_instance_id} = $self->instance_id;
};
$meta->register_hook(
probe => \@probe
);
push @gather, sub {
my($build) = @_;
die 'pkg-config command line probe does not match gather' if $build->hook_prop->{name} eq 'gather_system'
&& ($build->install_prop->{system_probe_instance_id} || '') ne $self->instance_id;
};
push @gather, map { [ $pkgconf, '--exists', $_] } ($pkg_name, @alt_names);
foreach my $prop_name (qw( cflags libs version ))
{
my $flag = $prop_name eq 'version' ? '--modversion' : "--$prop_name";
push @gather,
[ $pkgconf, $flag, $pkg_name, sub { _val @_, $prop_name } ];
if(@alt_names)
{
foreach my $alt ($pkg_name, @alt_names)
{
push @gather,
[ $pkgconf, $flag, $alt, sub { _val @_, "alt.$alt.$prop_name" } ];
}
}
}
foreach my $prop_name (qw( cflags libs ))
{
push @gather,
[ $pkgconf, '--static', "--$prop_name", $pkg_name, sub { _val @_, "${prop_name}_static" } ];
if(@alt_names)
{
foreach my $alt ($pkg_name, @alt_names)
{
push @gather,
[ $pkgconf, '--static', "--$prop_name", $alt, sub { _val @_, "alt.$alt.${prop_name}_static" } ];
}
}
}
$meta->register_hook(gather_system => [@gather]);
if($meta->prop->{platform}->{system_type} eq 'windows-mingw')
{
@gather = map {
if(ref $_ eq 'ARRAY') {
my($pkgconf, @rest) = @$_;
[$pkgconf, '--dont-define-prefix', @rest],
} else {
$_
}
} @gather;
}
$meta->register_hook(gather_share => [@gather]);
$meta->after_hook(
$_ => sub {
my($build) = @_;
if(keys %{ $build->runtime_prop->{alt} } < 2)
{
delete $build->runtime_prop->{alt};
}
},
) for qw( gather_system gather_share );
$self;
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::Plugin::PkgConfig::CommandLine - Probe system and determine library or tool properties using the pkg-config command line interface
=head1 VERSION
version 2.84
=head1 SYNOPSIS
use alienfile;
plugin 'PkgConfig::CommandLine' => (
pkg_name => 'libfoo',
);
=head1 DESCRIPTION
Note: in most case you will want to use L<Alien::Build::Plugin::PkgConfig::Negotiate>
instead. It picks the appropriate fetch plugin based on your platform and environment.
In some cases you may need to use this plugin directly instead.
This plugin provides Probe and Gather steps for pkg-config based packages. It uses
the best command line tools to accomplish this task.
=head1 PROPERTIES
=head2 pkg_name
The package name. If this is a list reference then .pc files with all those package
names must be present. The first name will be the primary and used by default once
installed. For the subsequent C<.pc> files you can use the
L<Alien::Base alt method|Alien::Base/alt> to retrieve the alternate configurations
once the L<Alien> is installed.
=head2 atleast_version
The minimum required version that is acceptable version as provided by the system.
=head2 exact_version
The exact required version that is acceptable version as provided by the system.
=head2 max_version
The max required version that is acceptable version as provided by the system.
=head2 minimum_version
Alias for C<atleast_version> for backward compatibility.
=head1 METHODS
=head2 available
my $bool = Alien::Build::Plugin::PkgConfig::CommandLine->available;
Returns true if the necessary prereqs for this plugin are I<already> installed.
=head1 SEE ALSO
L<Alien::Build::Plugin::PkgConfig::Negotiate>, L<Alien::Build>, L<alienfile>, L<Alien::Build::MM>, L<Alien>
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK �fl\���� � 5 perl5/5.32/Alien/Build/Plugin/PkgConfig/LibPkgConf.pmnu ��6�$ package Alien::Build::Plugin::PkgConfig::LibPkgConf;
use strict;
use warnings;
use 5.008004;
use Alien::Build::Plugin;
use Carp ();
# ABSTRACT: Probe system and determine library or tool properties using PkgConfig::LibPkgConf
our $VERSION = '2.84'; # VERSION
has '+pkg_name' => sub {
Carp::croak "pkg_name is a required property";
};
has atleast_version => undef;
has exact_version => undef;
has max_version => undef;
has minimum_version => undef;
# private for now, used by negotiator
has register_prereqs => 1;
use constant _min_version => '0.04';
sub available
{
!!eval { require PkgConfig::LibPkgConf; PkgConfig::LibPkgConf->VERSION(_min_version) };
}
sub init
{
my($self, $meta) = @_;
unless(defined $meta->prop->{env}->{PKG_CONFIG})
{
# TODO: this doesn't yet find pkgconf in the bin dir of a share
# install.
my $command_line =
File::Which::which('pkgconf')
? 'pkgconf'
: File::Which::which('pkg-config')
? 'pkg-config'
: undef;
$meta->prop->{env}->{PKG_CONFIG} = $command_line
if defined $command_line;
}
if($self->register_prereqs)
{
# Also update in Neotiate.pm
$meta->add_requires('configure' => 'PkgConfig::LibPkgConf::Client' => _min_version);
if(defined $self->minimum_version || defined $self->atleast_version || defined $self->exact_version || defined $self->max_version)
{
$meta->add_requires('configure' => 'PkgConfig::LibPkgConf::Util' => _min_version);
}
}
my($pkg_name, @alt_names) = (ref $self->pkg_name) ? (@{ $self->pkg_name }) : ($self->pkg_name);
$meta->register_hook(
probe => sub {
my($build) = @_;
$build->runtime_prop->{legacy}->{name} ||= $pkg_name;
$build->hook_prop->{probe_class} = __PACKAGE__;
$build->hook_prop->{probe_instance_id} = $self->instance_id;
require PkgConfig::LibPkgConf::Client;
my $client = PkgConfig::LibPkgConf::Client->new;
my $pkg = $client->find($pkg_name);
die "package $pkg_name not found" unless $pkg;
$build->hook_prop->{version} = $pkg->version;
my $atleast_version = $self->atleast_version;
$atleast_version = $self->minimum_version unless defined $self->atleast_version;
if($atleast_version)
{
require PkgConfig::LibPkgConf::Util;
if(PkgConfig::LibPkgConf::Util::compare_version($pkg->version, $atleast_version) < 0)
{
die "package $pkg_name is version @{[ $pkg->version ]}, but at least $atleast_version is required.";
}
}
if($self->exact_version)
{
require PkgConfig::LibPkgConf::Util;
if(PkgConfig::LibPkgConf::Util::compare_version($pkg->version, $self->exact_version) != 0)
{
die "package $pkg_name is version @{[ $pkg->version ]}, but exactly @{[ $self->exact_version ]} is required.";
}
}
if($self->max_version)
{
require PkgConfig::LibPkgConf::Util;
if(PkgConfig::LibPkgConf::Util::compare_version($pkg->version, $self->max_version) > 0)
{
die "package $pkg_name is version @{[ $pkg->version ]}, but max @{[ $self->max_version ]} is required.";
}
}
foreach my $alt (@alt_names)
{
my $pkg = $client->find($alt);
die "package $alt not found" unless $pkg;
}
'system';
},
);
$meta->register_hook(
$_ => sub {
my($build) = @_;
return if $build->hook_prop->{name} eq 'gather_system'
&& ($build->install_prop->{system_probe_instance_id} || '') ne $self->instance_id;
require PkgConfig::LibPkgConf::Client;
my $client = PkgConfig::LibPkgConf::Client->new;
foreach my $name ($pkg_name, @alt_names)
{
my $pkg = $client->find($name);
die "reload of package $name failed" unless defined $pkg;
my %prop;
$prop{version} = $pkg->version;
$prop{cflags} = $pkg->cflags;
$prop{libs} = $pkg->libs;
$prop{cflags_static} = $pkg->cflags_static;
$prop{libs_static} = $pkg->libs_static;
$build->runtime_prop->{alt}->{$name} = \%prop;
}
foreach my $key (keys %{ $build->runtime_prop->{alt}->{$pkg_name} })
{
$build->runtime_prop->{$key} = $build->runtime_prop->{alt}->{$pkg_name}->{$key};
}
if(keys %{ $build->runtime_prop->{alt} } == 1)
{
delete $build->runtime_prop->{alt};
}
},
) for qw( gather_system gather_share );
$self;
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::Plugin::PkgConfig::LibPkgConf - Probe system and determine library or tool properties using PkgConfig::LibPkgConf
=head1 VERSION
version 2.84
=head1 SYNOPSIS
use alienfile;
plugin 'PkgConfig::LibPkgConf' => (
pkg_name => 'libfoo',
);
=head1 DESCRIPTION
Note: in most case you will want to use L<Alien::Build::Plugin::PkgConfig::Negotiate>
instead. It picks the appropriate fetch plugin based on your platform and environment.
In some cases you may need to use this plugin directly instead.
This plugin provides Probe and Gather steps for pkg-config based packages. It uses
L<PkgConfig::LibPkgConf> to accomplish this task.
This plugin is part of the Alien::Build core For Now, but may be removed in a future
date. While It Seemed Like A Good Idea at the time, it may not be appropriate to keep
it in core. If it is spun off it will get its own distribution some time in the future.
=head1 PROPERTIES
=head2 pkg_name
The package name. If this is a list reference then .pc files with all those package
names must be present. The first name will be the primary and used by default once
installed. For the subsequent C<.pc> files you can use the
L<Alien::Base alt method|Alien::Base/alt> to retrieve the alternate configurations
once the L<Alien> is installed.
=head2 atleast_version
The minimum required version that is acceptable version as provided by the system.
=head2 exact_version
The exact required version that is acceptable version as provided by the system.
=head2 max_version
The max required version that is acceptable version as provided by the system.
=head2 minimum_version
Alias for C<atleast_version> for backward compatibility.
=head1 METHODS
=head2 available
my $bool = Alien::Build::Plugin::PkgConfig::LibPkgConf->available;
Returns true if the necessary prereqs for this plugin are I<already> installed.
=head1 SEE ALSO
L<Alien::Build::Plugin::PkgConfig::Negotiate>, L<Alien::Build>, L<alienfile>, L<Alien::Build::MM>, L<Alien>
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK �fl\�x¹c c - perl5/5.32/Alien/Build/Plugin/PkgConfig/PP.pmnu ��6�$ package Alien::Build::Plugin::PkgConfig::PP;
use strict;
use warnings;
use 5.008004;
use Alien::Build::Plugin;
use Carp ();
use File::Which ();
use Env qw( @PKG_CONFIG_PATH );
# ABSTRACT: Probe system and determine library or tool properties using PkgConfig.pm
our $VERSION = '2.84'; # VERSION
has '+pkg_name' => sub {
Carp::croak "pkg_name is a required property";
};
has atleast_version => undef;
has exact_version => undef;
has max_version => undef;
has minimum_version => undef;
use constant _min_version => '0.14026';
# private for now, used by negotiator
has register_prereqs => 1;
sub available
{
!!eval { require PkgConfig; PkgConfig->VERSION(_min_version) };
}
sub _cleanup
{
my($value) = @_;
$value =~ s{\s*$}{ };
$value;
}
sub init
{
my($self, $meta) = @_;
unless(defined $meta->prop->{env}->{PKG_CONFIG})
{
# TODO: Better would be to to "execute" lib/PkgConfig.pm
# as that should always be available, and will match the
# exact version of PkgConfig.pm that we are using here.
# there are a few corner cases to deal with before we
# can do this. What is here should handle most use cases.
my $command_line =
File::Which::which('ppkg-config')
? 'ppkg-config'
: File::Which::which('pkg-config.pl')
? 'pkg-config.pl'
: File::Which::which('pkg-config')
? 'pkg-config'
: undef;
$meta->prop->{env}->{PKG_CONFIG} = $command_line
if defined $command_line;
}
if($self->register_prereqs)
{
$meta->add_requires('configure' => 'PkgConfig' => _min_version);
}
my($pkg_name, @alt_names) = (ref $self->pkg_name) ? (@{ $self->pkg_name }) : ($self->pkg_name);
$meta->register_hook(
probe => sub {
my($build) = @_;
$build->runtime_prop->{legacy}->{name} ||= $pkg_name;
$build->hook_prop->{probe_class} = __PACKAGE__;
$build->hook_prop->{probe_instance_id} = $self->instance_id;
require PkgConfig;
my $pkg = PkgConfig->find($pkg_name);
die "package @{[ $pkg_name ]} not found" if $pkg->errmsg;
$build->hook_prop->{version} = $pkg->pkg_version;
my $version = PkgConfig::Version->new($pkg->pkg_version);
my $atleast_version = $self->atleast_version;
$atleast_version = $self->minimum_version unless defined $atleast_version;
if(defined $atleast_version)
{
my $need = PkgConfig::Version->new($atleast_version);
if($version < $need)
{
die "package @{[ $pkg_name ]} is @{[ $pkg->pkg_version ]}, but at least $atleast_version is required.";
}
}
if(defined $self->exact_version)
{
my $need = PkgConfig::Version->new($self->exact_version);
if($version != $need)
{
die "package @{[ $pkg_name ]} is @{[ $pkg->pkg_version ]}, but exactly @{[ $self->exact_version ]} is required.";
}
}
if(defined $self->max_version)
{
my $need = PkgConfig::Version->new($self->max_version);
if($version > $need)
{
die "package @{[ $pkg_name ]} is @{[ $pkg->pkg_version ]}, but max of @{[ $self->max_version ]} is required.";
}
}
foreach my $alt (@alt_names)
{
my $pkg = PkgConfig->find($alt);
die "package $alt not found" if $pkg->errmsg;
}
'system';
},
);
$meta->register_hook(
$_ => sub {
my($build) = @_;
return if $build->hook_prop->{name} eq 'gather_system'
&& ($build->install_prop->{system_probe_instance_id} || '') ne $self->instance_id;
require PkgConfig;
foreach my $name ($pkg_name, @alt_names)
{
require PkgConfig;
my $pkg = PkgConfig->find($name, search_path => [@PKG_CONFIG_PATH]);
if($pkg->errmsg)
{
$build->log("Trying to load the pkg-config information from the source code build");
$build->log("of your package failed");
$build->log("You are currently using the pure-perl implementation of pkg-config");
$build->log("(AB Plugin is named PkgConfig::PP, which uses PkgConfig.pm");
$build->log("It may work better with the real pkg-config.");
$build->log("Try installing your OS' version of pkg-config or unset ALIEN_BUILD_PKG_CONFIG");
die "second load of PkgConfig.pm @{[ $name ]} failed: @{[ $pkg->errmsg ]}"
}
my %prop;
$prop{cflags} = _cleanup scalar $pkg->get_cflags;
$prop{libs} = _cleanup scalar $pkg->get_ldflags;
$prop{version} = $pkg->pkg_version;
$pkg = PkgConfig->find($name, static => 1, search_path => [@PKG_CONFIG_PATH]);
$prop{cflags_static} = _cleanup scalar $pkg->get_cflags;
$prop{libs_static} = _cleanup scalar $pkg->get_ldflags;
$build->runtime_prop->{alt}->{$name} = \%prop;
}
foreach my $key (keys %{ $build->runtime_prop->{alt}->{$pkg_name} })
{
$build->runtime_prop->{$key} = $build->runtime_prop->{alt}->{$pkg_name}->{$key};
}
if(keys %{ $build->runtime_prop->{alt} } == 1)
{
delete $build->runtime_prop->{alt};
}
}
) for qw( gather_system gather_share );
$self;
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::Plugin::PkgConfig::PP - Probe system and determine library or tool properties using PkgConfig.pm
=head1 VERSION
version 2.84
=head1 SYNOPSIS
use alienfile;
plugin 'PkgConfig::PP' => (
pkg_name => 'libfoo',
);
=head1 DESCRIPTION
Note: in most case you will want to use L<Alien::Build::Plugin::PkgConfig::Negotiate>
instead. It picks the appropriate fetch plugin based on your platform and environment.
In some cases you may need to use this plugin directly instead.
This plugin provides Probe and Gather steps for pkg-config based packages. It uses
L<PkgConfig> to accomplish this task.
=head1 PROPERTIES
=head2 pkg_name
The package name. If this is a list reference then .pc files with all those package
names must be present. The first name will be the primary and used by default once
installed. For the subsequent C<.pc> files you can use the
L<Alien::Base alt method|Alien::Base/alt> to retrieve the alternate configurations
once the L<Alien> is installed.
=head2 atleast_version
The minimum required version that is acceptable version as provided by the system.
=head2 exact_version
The exact required version that is acceptable version as provided by the system.
=head2 max_version
The max required version that is acceptable version as provided by the system.
=head2 minimum_version
Alias for C<atleast_version> for backward compatibility.
=head1 METHODS
=head2 available
my $bool = Alien::Build::Plugin::PkgConfig::PP->available;
Returns true if the necessary prereqs for this plugin are I<already> installed.
=head1 SEE ALSO
L<Alien::Build::Plugin::PkgConfig::Negotiate>, L<Alien::Build>, L<alienfile>, L<Alien::Build::MM>, L<Alien>
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK �fl\�X�"S S 4 perl5/5.32/Alien/Build/Plugin/PkgConfig/Negotiate.pmnu ��6�$ package Alien::Build::Plugin::PkgConfig::Negotiate;
use strict;
use warnings;
use 5.008004;
use Alien::Build::Plugin;
use Alien::Build::Plugin::PkgConfig::PP;
use Alien::Build::Plugin::PkgConfig::LibPkgConf;
use Alien::Build::Plugin::PkgConfig::CommandLine;
use Alien::Build::Util qw( _perl_config );
use Carp ();
# ABSTRACT: Package configuration negotiation plugin
our $VERSION = '2.84'; # VERSION
has '+pkg_name' => sub {
Carp::croak "pkg_name is a required property";
};
has atleast_version => undef;
has exact_version => undef;
has max_version => undef;
has minimum_version => undef;
sub pick
{
my($class) = @_;
return $ENV{ALIEN_BUILD_PKG_CONFIG} if $ENV{ALIEN_BUILD_PKG_CONFIG};
if(Alien::Build::Plugin::PkgConfig::LibPkgConf->available)
{
return 'PkgConfig::LibPkgConf';
}
if(Alien::Build::Plugin::PkgConfig::CommandLine->available)
{
# TODO: determine environment or flags necessary for using pkg-config
# on solaris 64 bit.
# Some advice on pkg-config and 64 bit Solaris
# https://docs.oracle.com/cd/E53394_01/html/E61689/gplhi.html
my $is_solaris64 = (_perl_config('osname') eq 'solaris' && _perl_config('ptrsize') == 8);
# PkgConfig.pm is more reliable on windows
my $is_windows = _perl_config('osname') eq 'MSWin32';
if(!$is_solaris64 && !$is_windows)
{
return 'PkgConfig::CommandLine';
}
}
if(Alien::Build::Plugin::PkgConfig::PP->available)
{
return 'PkgConfig::PP';
}
else
{
# this is a fata error. because we check for a pkg-config implementation
# at configure time, we expect at least one of these to work. (and we
# fallback on installing PkgConfig.pm as a prereq if nothing else is avail).
# we therefore expect at least one of these to work, if not, then the configuration
# of the system has shifted from underneath us.
Carp::croak("Could not find an appropriate pkg-config or pkgconf implementation, please install PkgConfig.pm, PkgConfig::LibPkgConf, pkg-config or pkgconf");
}
}
sub init
{
my($self, $meta) = @_;
my $plugin = $self->pick;
Alien::Build->log("Using PkgConfig plugin: $plugin");
if(ref($self->pkg_name) eq 'ARRAY')
{
$meta->add_requires('configure', 'Alien::Build::Plugin::PkgConfig::Negotiate' => '0.79');
}
if($self->atleast_version || $self->exact_version || $self->max_version)
{
$meta->add_requires('configure', 'Alien::Build::Plugin::PkgConfig::Negotiate' => '1.53');
}
my @args;
push @args, pkg_name => $self->pkg_name;
push @args, register_prereqs => 0;
foreach my $method (map { "${_}_version" } qw( minimum atleast exact max ))
{
push @args, $method => $self->$method if defined $self->$method;
}
$meta->apply_plugin($plugin, @args);
$self;
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::Plugin::PkgConfig::Negotiate - Package configuration negotiation plugin
=head1 VERSION
version 2.84
=head1 SYNOPSIS
use alienfile;
plugin 'PkgConfig' => (
pkg_name => 'libfoo',
);
=head1 DESCRIPTION
This plugin provides Probe and Gather steps for pkg-config based packages. It picks
the best C<PkgConfig> plugin depending your platform and environment.
=head1 PROPERTIES
=head2 pkg_name
The package name. If this is a list reference then .pc files with all those package
names must be present. The first name will be the primary and used by default once
installed. For the subsequent C<.pc> files you can use the
L<Alien::Base alt method|Alien::Base/alt> to retrieve the alternate configurations
once the L<Alien> is installed.
=head2 atleast_version
The minimum required version that is acceptable version as provided by the system.
=head2 exact_version
The exact required version that is acceptable version as provided by the system.
=head2 max_version
The max required version that is acceptable version as provided by the system.
=head2 minimum_version
Alias for C<atleast_version> for backward compatibility.
=head1 METHODS
=head2 pick
my $name = Alien::Build::Plugin::PkgConfig::Negotiate->pick;
Returns the name of the negotiated plugin.
=head1 ENVIRONMENT
=over 4
=item ALIEN_BUILD_PKG_CONFIG
If set, this plugin will be used instead of the build in logic
which attempts to automatically pick the best plugin.
=back
=head1 SEE ALSO
L<Alien::Build>, L<alienfile>, L<Alien::Build::MM>, L<Alien>
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK �fl\Hk��� � & perl5/5.32/Alien/Build/Plugin/Core.podnu ��6�$ # PODNAME: Alien::Build::Plugin::Core
# ABSTRACT: Core Alien::Build plugins
# VERSION
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::Plugin::Core - Core Alien::Build plugins
=head1 VERSION
version 2.84
=head1 SYNOPSIS
use alienfile;
# core plugins are already loaded
=head1 DESCRIPTION
Core plugins are special plugins that are always loaded, usually first.
=over 4
=item L<Alien::Build::Plugin::Core::CleanInstall>
=item L<Alien::Build::Plugin::Core::Download>
This contains the default machinery for downloading packages, if no
other download plugin or commands are provided.
=item L<Alien::Build::Plugin::Core::FFI>
=item L<Alien::Build::Plugin::Core::Gather>
=item L<Alien::Build::Plugin::Core::Legacy>
Add interoperability with L<Alien::Base::ModuleBuild>
=item L<Alien::Build::Plugin::Core::Override>
The machinery which allows you to override the type of install
with the C<ALIEN_INSTALL_TYPE> environment variable.
=item L<Alien::Build::Plugin::Core::Setup>
=item L<Alien::Build::Plugin::Core::Tail>
=back
=head1 SEE ALSO
L<Alien::Build>, L<Alien::Build::Plugin>
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK �fl\�V}K K 0 perl5/5.32/Alien/Build/Plugin/Download/GitLab.pmnu ��6�$ package Alien::Build::Plugin::Download::GitLab;
use strict;
use warnings;
use 5.008004;
use Carp qw( croak );
use URI;
use JSON::PP qw( decode_json );
use URI::Escape qw( uri_escape );
use Alien::Build::Plugin;
use File::Basename qw( basename );
use Path::Tiny qw( path );
# ABSTRACT: Alien::Build plugin to download from GitLab
our $VERSION = '0.01'; # VERSION
has gitlab_host => 'https://gitlab.com';
has gitlab_user => undef;
has gitlab_project => undef;
has type => 'source'; # source or link
has format => 'tar.gz';
has version_from => 'tag_name'; # tag_name or name
has convert_version => undef;
has link_name => undef;
sub init
{
my($self, $meta) = @_;
croak("No gitlab_user provided") unless defined $self->gitlab_user;
croak("No gitlab_project provided") unless defined $self->gitlab_project;
croak("Don't set set a start_url with the Download::GitLab plugin") if defined $meta->prop->{start_url};
$meta->add_requires('configure' => 'Alien::Build::Plugin::Download::GitLab' => 0 );
my $url = URI->new($self->gitlab_host);
$url->path("/api/v4/projects/@{[ uri_escape(join '/', $self->gitlab_user, $self->gitlab_project) ]}/releases");
$meta->prop->{start_url} ||= "$url";
$meta->apply_plugin('Download');
$meta->apply_plugin('Extract', format => $self->format );
# we assume that GitLab returns the releases in reverse
# chronological order.
$meta->register_hook(
prefer => sub {
my($build, $res) = @_;
return $res;
},
);
croak "type must be one of source or link" if $self->type !~ /^(source|link)$/;
croak "version_from must be one of tag_name or name" if $self->version_from !~ /^(tag_name|name)$/;
## TODO insert tokens as header if possible
## This may help with rate limiting (or if not then don't bother)
# curl --header "PRIVATE-TOKEN: <your_access_token>" "https://gitlab.example.com/api/v4/projects/24/releases"
$meta->around_hook(
fetch => sub {
my $orig = shift;
my($build, $url, @the_rest) = @_;
# only modify the response if we are using the GitLab API
# to get the release list
return $orig->($build, $url, @the_rest)
if defined $url && $url ne $meta->prop->{start_url};
my $res = $orig->($build, $url, @the_rest);
my $res2 = {
type => 'list',
list => [],
};
$res2->{protocol} = $res->{protocol} if exists $res->{protocol};
my $rel;
if($res->{content})
{
$rel = decode_json $res->{content};
}
elsif($res->{path})
{
$rel = decode_json path($res->{path})->slurp_raw;
}
else
{
croak("malformed response object: no content or path");
}
foreach my $release (@$rel)
{
my $version = $self->version_from eq 'name' ? $release->{name} : $release->{tag_name};
$version = $self->convert_version->($version) if $self->convert_version;
if($self->type eq 'source')
{
foreach my $source (@{ $release->{assets}->{sources} })
{
next unless $source->{format} eq $self->format;
my $url = URI->new($source->{url});
my $filename = basename $url->path;
push @{ $res2->{list} }, {
filename => $filename,
url => $source->{url},
version => $version,
};
}
}
else # link
{
foreach my $link (@{ $release->{assets}->{links} })
{
my $url = URI->new($link->{url});
my $filename => basename $url->path;
if($self->link_name)
{
next unless $filename =~ $self->link_name;
}
push @{ $res2->{list} }, {
filename => $filename,
url => $link->{url},
version => $version,
};
}
}
}
return $res2;
},
);
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::Plugin::Download::GitLab - Alien::Build plugin to download from GitLab
=head1 VERSION
version 0.01
=head1 SYNOPSIS
use alienfile;
plugin 'Download::GitLab' => (
gitlab_user => 'plicease',
gitlab_project => 'dontpanic',
);
=head1 DESCRIPTION
This plugin is designed for downloading assets from a GitLab instance.
=head1 PROPERTIES
=head2 gitlab_host
The host to fetch from L<https://gitlab.com> by default.
=head2 gitlab_user
The user to fetch from.
=head2 gitlab_project
The project to fetch from.
=head2 type
The asset type to fetch. This must be one of C<source> or C<link>.
=head2 format
The expected format of the asset. This should be one that
L<Alien::Build::Plugin::Extract::Negotiate> understands. The
default is C<tar.gz>.
=head2 version_from
Where to compute the version from. This should be one of
C<tag_name> or C<name>. The default is C<tag_name>.
=head2 convert_version
This is an optional code reference, which can be used to modify
the version. For example, if tags have a C<v> prefix you could
remove it like so:
plugin 'Download::GitLab' => (
gitlab_user => 'plicease',
gitlab_project => 'dontpanic',
convert_version => sub {
my $version = shift;
$version =~ s/^v//;
return $version;
},
);
=head2 link_name
For C<link> types, this is a regular expression that filters the
asset filenames. For example, if there are multiple archive
formats provided, you can get just the gzip'd tarball by setting
this to C<qr/\.tar\.gz$/>.
=head1 SEE ALSO
=over 4
=item L<Alien>
=item L<Alien::Build::Plugin::Download::GitHub>
=item L<alienfile>
=item L<Alien::Build>
=back
=head1 AUTHOR
Graham Ollis <plicease@cpan.org>
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK �fl\{����$ �$ 3 perl5/5.32/Alien/Build/Plugin/Download/Negotiate.pmnu ��6�$ package Alien::Build::Plugin::Download::Negotiate;
use strict;
use warnings;
use 5.008004;
use Alien::Build::Plugin;
use Alien::Build::Util qw( _has_ssl );
use Carp ();
# ABSTRACT: Download negotiation plugin
our $VERSION = '2.84'; # VERSION
has '+url' => undef;
has 'filter' => undef;
has 'version' => undef;
has 'ssl' => 0;
has 'passive' => 0;
has 'scheme' => undef;
has 'bootstrap_ssl' => 0;
has 'prefer' => 1;
has 'decoder' => undef;
sub pick
{
my($self) = @_;
my($fetch, @decoders) = $self->_pick;
if($self->decoder)
{
@decoders = ref $self->decoder ? @{ $self->decoder } : ($self->decoder);
}
($fetch, @decoders);
}
sub _pick_decoder
{
my($self) = @_;
if(eval { require Mojo::DOM58; Mojo::DOM58->VERSION(1.00); 1 })
{ return "Decode::Mojo" }
elsif(eval { require Mojo::DOM; require Mojolicious; Mojolicious->VERSION('7.00'); 1 })
{ return "Decode::Mojo" }
elsif(eval { require HTML::LinkExtor; 1; })
{ return "Decode::HTML" }
else
{ return "Decode::Mojo" }
}
sub _pick
{
my($self) = @_;
$self->scheme(
$self->url !~ m!(ftps?|https?|file):!i
? 'file'
: $self->url =~ m!^([a-z]+):!i
) unless defined $self->scheme;
if($self->scheme eq 'https' || ($self->scheme eq 'http' && $self->ssl))
{
if($self->bootstrap_ssl && ! _has_ssl)
{
return (['Fetch::CurlCommand','Fetch::Wget'], __PACKAGE__->_pick_decoder);
}
elsif(_has_ssl)
{
return ('Fetch::HTTPTiny', __PACKAGE__->_pick_decoder);
}
#elsif(do { require Alien::Build::Plugin::Fetch::CurlCommand; Alien::Build::Plugin::Fetch::CurlCommand->protocol_ok('https') })
#{
# return ('Fetch::CurlCommand', __PACKAGE__->_pick_decoder);
#}
else
{
return ('Fetch::HTTPTiny', __PACKAGE__->_pick_decoder);
}
}
elsif($self->scheme eq 'http')
{
return ('Fetch::HTTPTiny', __PACKAGE__->_pick_decoder);
}
elsif($self->scheme eq 'ftp')
{
if($ENV{ftp_proxy} || $ENV{all_proxy})
{
return $self->scheme =~ /^ftps?/
? ('Fetch::LWP', 'Decode::DirListing', __PACKAGE__->_pick_decoder)
: ('Fetch::LWP', __PACKAGE__->_pick_decoder);
}
else
{
return ('Fetch::NetFTP');
}
}
elsif($self->scheme eq 'file')
{
return ('Fetch::Local');
}
else
{
die "do not know how to handle scheme @{[ $self->scheme ]} for @{[ $self->url ]}";
}
}
sub init
{
my($self, $meta) = @_;
unless(defined $self->url)
{
if(defined $meta->prop->{start_url})
{
$self->url($meta->prop->{start_url});
}
else
{
Carp::croak "url is a required property unless you use the start_url directive";
}
}
if($self->url =~ /^http.*github.com.*releases$/)
{
Alien::Build->log('!! WARNING !! WARNING !!');
Alien::Build->log('!! WARNING !! It looks like this alien is using the regular download negotiator');
Alien::Build->log('plugin on a GitHub release page. This will typically not work due to changes');
Alien::Build->log('in the way GitHub release page works now. The Alien should instead be updated');
Alien::Build->log('to use the Download::GitHub plugin, which uses the GitHub API to find available');
Alien::Build->log('releases. See: https://metacpan.org/pod/Alien::Build::Plugin::Download::GitHub');
Alien::Build->log('!! WARNING !! WARNING !!');
}
$meta->add_requires('share' => 'Alien::Build::Plugin::Download::Negotiate' => '0.61')
if $self->passive;
$meta->prop->{plugin_download_negotiate_default_url} = $self->url;
my($fetch, @decoders) = $self->pick;
$fetch = [ $fetch ] unless ref $fetch;
foreach my $fetch (@$fetch)
{
my @args;
push @args, ssl => $self->ssl;
# For historical reasons, we pass the URL into older fetch plugins, because
# this used to be the interface. Using start_url is now preferred!
push @args, url => $self->url if $fetch =~ /^Fetch::(HTTPTiny|LWP|Local|LocalDir|NetFTP|CurlCommand)$/;
push @args, passive => $self->passive if $fetch eq 'Fetch::NetFTP';
push @args, bootstrap_ssl => $self->bootstrap_ssl if $self->bootstrap_ssl;
$meta->apply_plugin($fetch, @args);
}
if($self->version)
{
$meta->apply_plugin($_) for @decoders;
if(defined $self->prefer && ref($self->prefer) eq 'CODE')
{
$meta->add_requires('share' => 'Alien::Build::Plugin::Download::Negotiate' => '1.30');
$meta->register_hook(
prefer => $self->prefer,
);
}
elsif($self->prefer)
{
$meta->apply_plugin('Prefer::SortVersions',
(defined $self->filter ? (filter => $self->filter) : ()),
version => $self->version,
);
}
else
{
$meta->add_requires('share' => 'Alien::Build::Plugin::Download::Negotiate' => '1.30');
}
}
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::Plugin::Download::Negotiate - Download negotiation plugin
=head1 VERSION
version 2.84
=head1 SYNOPSIS
use alienfile;
share {
start_url 'http://ftp.gnu.org/gnu/make';
plugin 'Download' => (
filter => qr/^make-.*\.tar\.gz$/,
version => qr/([0-9\.]+)/,
);
};
=head1 DESCRIPTION
This is a negotiator plugin for downloading packages from the internet. This
plugin picks the best Fetch, Decode and Prefer plugins to do the actual work.
Which plugins are picked depend on the properties you specify, your platform
and environment. It is usually preferable to use a negotiator plugin rather
than the Fetch, Decode and Prefer plugins directly from your L<alienfile>.
=head1 PROPERTIES
=head2 url
[DEPRECATED] use C<start_url> instead.
The Initial URL for your package. This may be a directory listing (either in
HTML or ftp listing format) or the final tarball intended to be downloaded.
=head2 filter
This is a regular expression that lets you filter out files that you do not
want to consider downloading. For example, if the directory listing contained
tarballs and readme files like this:
foo-1.0.0.tar.gz
foo-1.0.0.readme
You could specify a filter of C<qr/\.tar\.gz$/> to make sure only tarballs are
considered for download.
=head2 version
Regular expression to parse out the version from a filename. The regular expression
should store the result in C<$1>.
Note: if you provide a C<version> property, this plugin will assume that you will
be downloading an initial index to select package downloads from. Depending on
the protocol (and typically this is the case for http and HTML) that may bring in
additional dependencies. If start_url points to a tarball or other archive directly
(without needing to do through an index selection process), it is recommended that
you not specify this property.
=head2 ssl
If your initial URL does not need SSL, but you know ahead of time that a subsequent
request will need it (for example, if your directory listing is on C<http>, but includes
links to C<https> URLs), then you can set this property to true, and the appropriate
Perl SSL modules will be loaded.
=head2 passive
If using FTP, attempt a passive mode transfer first, before trying an active mode transfer.
=head2 bootstrap_ssl
If set to true, then the download negotiator will avoid using plugins that have a dependency
on L<Net::SSLeay>, or other Perl SSL modules. The intent for this option is to allow
OpenSSL to be alienized and be a useful optional dependency for L<Net::SSLeay>.
The implementation may improve over time, but as of this writing, this option relies on you
having a working C<curl> or C<wget> with SSL support in your C<PATH>.
=head2 prefer
How to sort candidates for selection. This should be one of three types of values:
=over 4
=item code reference
This will be used as the prefer hook.
=item true value
Use L<Alien::Build::Plugin::Prefer::SortVersions>.
=item false value
Don't set any preference at all. A hook must be installed, or another prefer plugin specified.
=back
=head2 decoder
Override the detected decoder.
=head1 METHODS
=head2 pick
my($fetch, @decoders) = $plugin->pick;
Returns the fetch plugin and any optional decoders that should be used.
=head1 SEE ALSO
L<Alien::Build::Plugin::Prefer::BadVersion>, L<Alien::Build::Plugin::Prefer::GoodVersion>
L<Alien::Build>, L<alienfile>, L<Alien::Build::MM>, L<Alien>
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK �fl\@ �?� � perl5/5.32/Alien/Build/Plugin.pmnu ��6�$ package Alien::Build::Plugin;
use strict;
use warnings;
use 5.008004;
use Data::Dumper ();
use Carp ();
use Digest::SHA ();
our @CARP_NOT = qw( alienfile Alien::Build Alien::Build::Meta );
# ABSTRACT: Plugin base class for Alien::Build
our $VERSION = '2.84'; # VERSION
sub new
{
my $class = shift;
my %args = @_ == 1 ? ($class->meta->default => $_[0]) : @_;
my $instance_id = Digest::SHA::sha1_hex(Data::Dumper->new([$class, \%args])->Sortkeys(1)->Dump);
my $self = bless { instance_id => $instance_id }, $class;
my $prop = $self->meta->prop;
foreach my $name (keys %$prop)
{
$self->{$name} = defined $args{$name}
? delete $args{$name}
: ref($prop->{$name}) eq 'CODE'
? $prop->{$name}->()
: $prop->{$name};
}
foreach my $name (keys %args)
{
Carp::carp "$class has no $name property";
}
$self;
}
sub instance_id { shift->{instance_id} }
sub init
{
my($self) = @_;
$self;
}
sub import
{
my($class) = @_;
return if $class ne __PACKAGE__;
my $caller = caller;
{ no strict 'refs'; @{ "${caller}::ISA" } = __PACKAGE__ }
my $meta = $caller->meta;
my $has = sub {
my($name, $default) = @_;
$meta->add_property($name, $default);
};
{ no strict 'refs'; *{ "${caller}::has" } = $has }
}
my %meta;
sub meta
{
my($class) = @_;
$class = ref $class if ref $class;
$meta{$class} ||= Alien::Build::PluginMeta->new( class => $class );
}
package Alien::Build::PluginMeta;
sub new
{
my($class, %args) = @_;
my $self = bless {
prop => {},
%args,
}, $class;
}
sub default
{
my($self) = @_;
$self->{default} || do {
Carp::croak "No default for @{[ $self->{class} ]}";
};
}
sub add_property
{
my($self, $name, $default) = @_;
my $single = $name =~ s{^(\+)}{};
$self->{default} = $name if $single;
$self->{prop}->{$name} = $default;
my $accessor = sub {
my($self, $new) = @_;
$self->{$name} = $new if defined $new;
$self->{$name};
};
# add the accessor
{ no strict 'refs'; *{ $self->{class} . '::' . $name} = $accessor }
$self;
}
sub prop
{
shift->{prop};
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::Plugin - Plugin base class for Alien::Build
=head1 VERSION
version 2.84
=head1 SYNOPSIS
Create your plugin:
package Alien::Build::Plugin::Type::MyPlugin;
use Alien::Build::Plugin;
use Carp ();
has prop1 => 'default value';
has prop2 => sub { 'default value' };
has prop3 => sub { Carp::croak 'prop3 is a required property' };
sub init
{
my($self, $meta) = @_;
my $prop1 = $self->prop1;
my $prop2 = $self->prop2;
my $prop3 = $self->prop3;
$meta->register_hook(sub {
build => [ '%{make}', '%{make} install' ],
});
}
From your L<alienfile>
use alienfile;
plugin 'Type::MyPlugin' => (
prop2 => 'different value',
prop3 => 'need to provide since it is required',
);
=head1 DESCRIPTION
This document describes the L<Alien::Build> plugin base class. For details
on how to write a plugin, see L<Alien::Build::Manual::PluginAuthor>.
Listed are some common types of plugins:
=over 4
=item L<Alien::Build::Plugin::Build>
Tools for building.
=item L<Alien::Build::Plugin::Core>
Tools already included.
=item L<Alien::Build::Plugin::Decode>
Normally use Download plugins which will pick the correct Decode plugins.
=item L<Alien::Build::Plugin::Digest>
Tools for checking cryptographic signatures during a C<share> install.
=item L<Alien::Build::Plugin::Download>
Methods for retrieving from the internet.
=item L<Alien::Build::Plugin::Extract>
Extract from archives that have been downloaded.
=item L<Alien::Build::Plugin::Fetch>
Normally use Download plugins which will pick the correct Fetch plugins.
=item L<Alien::Build::Plugin::Gather>
Plugins that modify or enhance the gather step.
=item L<Alien::Build::Plugin::PkgConfig>
Plugins that work with C<pkg-config> or libraries that provide the same
functionality.
=item L<Alien::Build::Plugin::Prefer>
Normally use Download plugins which will pick the correct Prefer plugins.
=item L<Alien::Build::Plugin::Probe>
Look for packages already installed on the system.
=item L<Alien::Build::Plugin::Probe>
Plugins useful for unit testing L<Alien::Build> itself, or plugins for it.
=back
=head1 CONSTRUCTOR
=head2 new
my $plugin = Alien::Build::Plugin->new(%props);
=head2 PROPERTIES
=head2 instance_id
my $id = $plugin->instance_id;
Returns an instance id for the plugin. This is computed from the class and
arguments that are passed into the plugin constructor, so technically two
instances with the exact same arguments will have the same instance id, but
in practice you should never have two instances with the exact same arguments.
=head1 METHODS
=head2 init
$plugin->init($ab_class->meta); # $ab is an Alien::Build class name
You provide the implementation for this. The intent is to register
hooks and set meta properties on the L<Alien::Build> class.
=head2 has
has $prop_name;
has $prop_name => $default;
Specifies a property of the plugin. You may provide a default value as either
a string scalar, or a code reference. The code reference will be called to
compute the default value, and if you want the default to be a list or hash
reference, this is how you want to do it:
has foo => sub { [1,2,3] };
=head2 meta
my $meta = $plugin->meta;
Returns the plugin meta object.
=head1 SEE ALSO
L<Alien::Build>, L<alienfile>, L<Alien::Build::Manual::PluginAuthor>
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK �fl\9��RO O perl5/5.32/Alien/Build/rc.pmnu ��6�$ package Alien::Build::rc;
use strict;
use warnings;
use 5.008004;
# ABSTRACT: Alien::Build local config
our $VERSION = '2.84'; # VERSION
sub logx ($)
{
unshift @_, 'Alien::Build';
goto &Alien::Build::log;
}
sub preload_plugin
{
my(@args) = @_;
push @Alien::Build::rc::PRELOAD, sub {
shift->apply_plugin(@args);
};
}
sub postload_plugin
{
my(@args) = @_;
push @Alien::Build::rc::POSTLOAD, sub {
shift->apply_plugin(@args);
};
}
sub preload ($)
{
push @Alien::Build::rc::PRELOAD, $_[0];
}
sub postload ($)
{
push @Alien::Build::rc::POSTLOAD, $_[0];
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Alien::Build::rc - Alien::Build local config
=head1 VERSION
version 2.84
=head1 SYNOPSIS
in your C<~/.alienbuild/rc.pl>:
preload 'Foo::Bar';
postload 'Baz::Frooble';
=head1 DESCRIPTION
L<Alien::Build> will load your C<~/.alienbuild/rc.pl> file, if it exists
before running the L<alienfile> recipe. This allows you to alter the
behavior of L<Alien::Build> based L<Alien>s if you have local configuration
requirements. For example you can prompt before downloading remote content
or fetch from a local mirror.
=head1 FUNCTIONS
=head2 logx
log $message;
Send a message to the L<Alien::Build> log.
=head2 preload_plugin
preload_plugin $plugin, @args;
Preload the given plugin, with arguments.
=head2 postload_plugin
postload_plugin $plugin, @args;
Postload the given plugin, with arguments.
=head2 preload
[deprecated]
preload $plugin;
Preload the given plugin.
=head2 postload
[deprecated]
postload $plugin;
Postload the given plugin.
=head1 SEE ALSO
=over 4
=item L<Alien::Build::Plugin::Fetch::Cache>
=item L<Alien::Build::Plugin::Fetch::Prompt>
=item L<Alien::Build::Plugin::Fetch::Rewrite>
=item L<Alien::Build::Plugin::Probe::Override>
=back
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK �fl\3 D9�r �r perl5/5.32/Alien/Base.pmnu ��6�$ package Alien::Base;
use strict;
use warnings;
use 5.008004;
use Carp;
use Path::Tiny ();
use Scalar::Util qw/blessed/;
use Capture::Tiny 0.17 qw/capture_stdout/;
use Text::ParseWords qw/shellwords/;
use Alien::Util;
# ABSTRACT: Base classes for Alien:: modules
our $VERSION = '2.84'; # VERSION
sub import {
my $class = shift;
return if $class eq __PACKAGE__;
return if $class->runtime_prop;
return if $class->install_type('system');
require DynaLoader;
# Sanity check in order to ensure that dist_dir can be found.
# This will throw an exception otherwise.
$class->dist_dir;
# get a reference to %Alien::MyLibrary::AlienLoaded
# which contains names of already loaded libraries
# this logic may be replaced by investigating the DynaLoader arrays
my $loaded = do {
no strict 'refs';
no warnings 'once';
\%{ $class . "::AlienLoaded" };
};
my @libs = $class->split_flags( $class->libs );
my @L = grep { s/^-L// } map { "$_" } @libs; ## no critic (ControlStructures::ProhibitMutatingListFunctions)
my @l = grep { /^-l/ } @libs;
unshift @DynaLoader::dl_library_path, @L;
my @libpaths;
foreach my $l (@l) {
next if $loaded->{$l};
my $path = DynaLoader::dl_findfile( $l );
unless ($path) {
carp "Could not resolve $l";
next;
}
push @libpaths, $path;
$loaded->{$l} = $path;
}
push @DynaLoader::dl_resolve_using, @libpaths;
my @librefs = map { DynaLoader::dl_load_file( $_, 0x01 ) } grep !/\.(a|lib)$/, @libpaths;
push @DynaLoader::dl_librefs, @librefs;
}
sub _dist_dir ($)
{
my($dist_name) = @_;
my @pm = split /-/, $dist_name;
$pm[-1] .= ".pm";
foreach my $inc (@INC)
{
my $pm = Path::Tiny->new($inc, @pm);
if(-f $pm)
{
my $share = Path::Tiny->new($inc, qw( auto share dist ), $dist_name );
if(-d $share)
{
return $share->absolute->stringify;
}
last;
}
}
Carp::croak("unable to find dist share directory for $dist_name");
}
sub dist_dir {
my $class = shift;
my $dist = blessed $class || $class;
$dist =~ s/::/-/g;
my $dist_dir =
$class->config('finished_installing')
? _dist_dir $dist
: $class->config('working_directory');
croak "Failed to find share dir for dist '$dist'"
unless defined $dist_dir && -d $dist_dir;
return $dist_dir;
}
sub new { return bless {}, $_[0] }
sub _flags
{
my($class, $key) = @_;
my $config = $class->runtime_prop;
my $flags = $config->{$key};
my $prefix = $config->{prefix};
$prefix =~ s{\\}{/}g if $^O =~ /^(MSWin32|msys)$/;
my $distdir = $config->{distdir};
$distdir =~ s{\\}{/}g if $^O =~ /^(MSWin32|msys)$/;
if(defined $flags && $prefix ne $distdir)
{
$flags = join ' ', map {
my $flag = $_;
$flag =~ s/^(-I|-L|-LIBPATH:)?\Q$prefix\E/$1$distdir/;
$flag =~ s/(\s)/\\$1/g;
$flag;
} $class->split_flags($flags);
}
$flags;
}
sub cflags {
my $class = shift;
return $class->runtime_prop ? $class->_flags('cflags') : $class->_pkgconfig_keyword('Cflags');
}
sub cflags_static {
my $class = shift;
return $class->runtime_prop ? $class->_flags('cflags_static') : $class->_pkgconfig_keyword('Cflags', 'static');
}
sub libs {
my $class = shift;
return $class->runtime_prop ? $class->_flags('libs') : $class->_pkgconfig_keyword('Libs');
}
sub libs_static {
my $class = shift;
return $class->runtime_prop ? $class->_flags('libs_static') : $class->_pkgconfig_keyword('Libs', 'static');
}
sub version {
my $self = shift;
return $self->runtime_prop
? $self->runtime_prop->{version}
: do {
my $version = $self->config('version');
chomp $version;
$version;
};
}
sub atleast_version {
my $self = shift;
my ($wantver) = @_;
defined(my $version = $self->version) or
croak "$self has no defined ->version";
return $self->version_cmp($version, $wantver) >= 0;
}
sub exact_version {
my $self = shift;
my ($wantver) = @_;
defined(my $version = $self->version) or
croak "$self has no defined ->version";
return $self->version_cmp($version, $wantver) == 0;
}
sub max_version {
my $self = shift;
my ($wantver) = @_;
defined(my $version = $self->version) or
croak "$self has no defined ->version";
return $self->version_cmp($version, $wantver) <= 0;
}
sub version_cmp {
shift;
goto &Alien::Util::version_cmp;
}
sub install_type {
my $self = shift;
my $type = $self->config('install_type');
return @_ ? $type eq $_[0] : $type;
}
sub is_system_install
{
my($self) = @_;
$self->install_type('system');
}
sub is_share_install
{
my($self) = @_;
$self->install_type('share');
}
sub _pkgconfig_keyword {
my $self = shift;
my $keyword = shift;
my $static = shift;
# use pkg-config if installed system-wide
if ($self->install_type('system')) {
my $name = $self->config('name');
require Alien::Base::PkgConfig;
my $command = Alien::Base::PkgConfig->pkg_config_command . " @{[ $static ? '--static' : '' ]} --\L$keyword\E $name";
$! = 0;
chomp ( my $pcdata = capture_stdout { system( $command ) } );
# if pkg-config fails for whatever reason, then we try to
# fallback on alien_provides_*
$pcdata = '' if $! || $?;
$pcdata =~ s/\s*$//;
if($self->config('system_provides')) {
if(my $system_provides = $self->config('system_provides')->{$keyword}) {
$pcdata = length $pcdata ? "$pcdata $system_provides" : $system_provides;
}
}
return $pcdata;
}
# use parsed info from build .pc file
my $dist_dir = $self->dist_dir;
my @pc = $self->_pkgconfig(@_);
my @strings =
grep defined,
map { $_->keyword($keyword,
#{ pcfiledir => $dist_dir }
) }
@pc;
if(defined $self->config('original_prefix') && $self->config('original_prefix') ne $self->dist_dir)
{
my $dist_dir = $self->dist_dir;
$dist_dir =~ s{\\}{/}g if $^O eq 'MSWin32';
my $old = quotemeta $self->config('original_prefix');
@strings = map {
my $flag = $_;
$flag =~ s{^(-I|-L|-LIBPATH:)?($old)}{$1.$dist_dir}e;
$flag =~ s/(\s)/\\$1/g;
$flag;
} map { $self->split_flags($_) } @strings;
}
return join( ' ', @strings );
}
sub _pkgconfig {
my $self = shift;
my %all = %{ $self->config('pkgconfig') };
# merge in found pc files
require File::Find;
my $wanted = sub {
return if ( -d or not /\.pc$/ );
require Alien::Base::PkgConfig;
my $pkg = Alien::Base::PkgConfig->new($_);
$all{$pkg->{package}} = $pkg;
};
File::Find::find( $wanted, $self->dist_dir );
croak "No Alien::Base::PkgConfig objects are stored!"
unless keys %all;
# Run through all pkgconfig objects and ensure that their modules are loaded:
for my $pkg_obj (values %all) {
my $perl_module_name = blessed $pkg_obj;
my $pm = "$perl_module_name.pm";
$pm =~ s/::/\//g;
eval { require $pm };
}
return @all{@_} if @_;
my $manual = delete $all{_manual};
if (keys %all) {
return values %all;
} else {
return $manual;
}
}
# helper method to call Alien::MyLib::ConfigData->config(@_)
sub config {
my $class = shift;
$class = blessed $class || $class;
if(my $ab_config = $class->runtime_prop)
{
my $key = shift;
return $ab_config->{legacy}->{$key};
}
my $config = $class . '::ConfigData';
my $pm = "$class/ConfigData.pm";
$pm =~ s{::}{/}g;
eval { require $pm };
if($@)
{
warn "Cannot find either a share directory or a ConfigData module for $class.\n";
my $pm = "$class.pm";
$pm =~ s{::}{/}g;
warn "($class loaded from $INC{$pm})\n" if $INC{$pm};
warn "Please see https://metacpan.org/pod/distribution/Alien-Build/lib/Alien/Build/Manual/FAQ.pod#Cannot-find-either-a-share-directory-or-a-ConfigData-module\n";
die $@;
}
return $config->config(@_);
}
# helper method to split flags based on the OS
sub split_flags {
my ($class, $line) = @_;
if( $^O eq 'MSWin32' ) {
$class->split_flags_windows($line);
} else {
# $os eq 'Unix'
$class->split_flags_unix($line);
}
}
sub split_flags_unix {
my ($class, $line) = @_;
shellwords($line);
}
sub split_flags_windows {
# NOTE a better approach would be to write a function that understands cmd.exe metacharacters.
my ($class, $line) = @_;
# Double the backslashes so that when they are unescaped by shellwords(),
# they become a single backslash. This should be fine on Windows since
# backslashes are not used to escape metacharacters in cmd.exe.
$line =~ s,\\,\\\\,g;
shellwords($line);
}
sub dynamic_libs {
my ($class) = @_;
require FFI::CheckLib;
my @find_lib_flags;
if($class->install_type('system')) {
if(my $prop = $class->runtime_prop)
{
if($prop->{ffi_checklib}->{system})
{
push @find_lib_flags, @{ $prop->{ffi_checklib}->{system} };
}
return FFI::CheckLib::find_lib( lib => $prop->{ffi_name}, @find_lib_flags )
if defined $prop->{ffi_name};
}
my $name = $class->config('ffi_name');
unless(defined $name)
{
$name = $class->config('name');
$name = '' unless defined $name;
# strip leading lib from things like libarchive or libffi
$name =~ s/^lib//;
# strip trailing version numbers
$name =~ s/-[0-9\.]+$//;
}
my @libpath;
if(defined $class->libs)
{
foreach my $flag ($class->split_flags($class->libs))
{
if($flag =~ /^-L(.*)$/)
{
push @libpath, $1;
}
}
}
return FFI::CheckLib::find_lib(lib => $name, libpath => \@libpath, @find_lib_flags );
} else {
my $dir = $class->dist_dir;
my $dynamic = Path::Tiny->new($class->dist_dir, 'dynamic');
if(my $prop = $class->runtime_prop)
{
if($prop->{ffi_checklib}->{share})
{
push @find_lib_flags, @{ $prop->{ffi_checklib}->{share_flags} };
}
}
if(-d $dynamic)
{
return FFI::CheckLib::find_lib(
lib => '*',
libpath => "$dynamic",
systempath => [],
);
}
return FFI::CheckLib::find_lib(
lib => '*',
libpath => $dir,
systempath => [],
recursive => 1,
);
}
}
sub bin_dir {
my ($class) = @_;
if($class->install_type('system'))
{
my $prop = $class->runtime_prop;
return () unless defined $prop;
return () unless defined $prop->{system_bin_dir};
return ref $prop->{system_bin_dir} ? @{ $prop->{system_bin_dir} } : ($prop->{system_bin_dir});
}
else
{
my $dir = Path::Tiny->new($class->dist_dir, 'bin');
return -d $dir ? ("$dir") : ();
}
}
sub dynamic_dir {
my ($class) = @_;
if($class->install_type('system'))
{
return ();
}
else
{
my $dir = Path::Tiny->new($class->dist_dir, 'dynamic');
return -d $dir ? ("$dir") : ();
}
}
sub alien_helper {
{};
}
sub inline_auto_include {
my ($class) = @_;
$class->runtime_prop->{inline_auto_include} || $class->config('inline_auto_include') || []
}
sub Inline {
my ($class, $language) = @_;
return unless defined $language;
return if $language !~ /^(C|CPP)$/;
my $config = {
# INC should arguably be for -I flags only, but
# this improves compat with ExtUtils::Depends.
# see gh#107, gh#108
INC => $class->cflags,
LIBS => $class->libs,
};
if (@{ $class->inline_auto_include } > 0) {
$config->{AUTO_INCLUDE} = join "\n", map { "#include \"$_\"" } @{ $class->inline_auto_include };
}
$config;
}
{
my %alien_build_config_cache;
sub runtime_prop
{
my($class) = @_;
if(ref($class))
{
# called as an instance method.
my $self = $class;
$class = ref $self;
return $self->{_alt}->{runtime_prop} if defined $self->{_alt};
}
return $alien_build_config_cache{$class} if
exists $alien_build_config_cache{$class};
$alien_build_config_cache{$class} ||= do {
my $dist = ref $class ? ref $class : $class;
$dist =~ s/::/-/g;
my $dist_dir = eval { _dist_dir $dist };
return if $@;
my $alien_json = Path::Tiny->new($dist_dir, '_alien', 'alien.json');
return unless -r $alien_json;
my $json = $alien_json->slurp;
require JSON::PP;
my $config = JSON::PP::decode_json($json);
$config->{distdir} = $dist_dir;
$config;
};
}
}
sub alt
{
my($old, $name) = @_;
my $new = ref $old ? (ref $old)->new : $old->new;
my $orig;
if(ref($old) && defined $old->{_alt})
{ $orig = $old->{_alt}->{orig} }
else
{ $orig = $old->runtime_prop }
require Storable;
my $runtime_prop = Storable::dclone($orig);
if($runtime_prop->{alt}->{$name})
{
foreach my $key (keys %{ $runtime_prop->{alt}->{$name} })
{
$runtime_prop->{$key} = $runtime_prop->{alt}->{$name}->{$key};
}
}
else
{
Carp::croak("no such alt: $name");
}
$new->{_alt} = {
runtime_prop => $runtime_prop,
orig => $orig,
};
$new;
}
sub alt_names
{
my($class) = @_;
my $alts = $class->runtime_prop->{alt};
defined $alts
? sort keys %$alts
: ();
}
sub alt_exists
{
my($class, $alt_name) = @_;
my $alts = $class->runtime_prop->{alt};
defined $alts
? exists $alts->{$alt_name} && defined $alts->{$alt_name}
: 0;
}
1;
=pod
=encoding UTF-8
=head1 NAME
Alien::Base - Base classes for Alien:: modules
=head1 VERSION
version 2.84
=head1 SYNOPSIS
package Alien::MyLibrary;
use strict;
use warnings;
use parent 'Alien::Base';
1;
(for details on the C<Makefile.PL> or C<Build.PL> and L<alienfile>
that should be bundled with your L<Alien::Base> subclass, please see
L<Alien::Build::Manual::AlienAuthor>).
Then a C<MyLibrary::XS> can use C<Alien::MyLibrary> in its C<Makefile.PL>:
use Alien::MyLibrary
use ExtUtils::MakeMaker;
use Alien::Base::Wrapper qw( Alien::MyLibrary !export );
use Config;
WriteMakefile(
...
Alien::Base::Wrapper->mm_args,
...
);
Or if you prefer L<Module::Build>, in its C<Build.PL>:
use Alien::MyLibrary;
use Module::Build 0.28; # need at least 0.28
use Alien::Base::Wrapper qw( Alien::MyLibrary !export );
my $builder = Module::Build->new(
...
Alien::Base::Wrapper->mb_args,
...
);
$builder->create_build_script;
Or if you are using L<ExtUtils::Depends>:
use ExtUtils::MakeMaker;
use ExtUtils::Depends;
my $eud = ExtUtils::Depends->new(qw( MyLibrary::XS Alien::MyLibrary ));
WriteMakefile(
...
$eud->get_makefile_vars
);
If you are using L<Alien::Base::ModuleBuild> instead of the recommended L<Alien::Build>
and L<alienfile>, then in your C<MyLibrary::XS> module, you may need something like
this in your main C<.pm> file IF your library uses dynamic libraries:
package MyLibrary::XS;
use Alien::MyLibrary; # may only be needed if you are using Alien::Base::ModuleBuild
...
Or you can use it from an FFI module:
package MyLibrary::FFI;
use Alien::MyLibrary;
use FFI::Platypus;
use FFI::CheckLib 0.28 qw( find_lib_or_die );
my $ffi = FFI::Platypus->new;
$ffi->lib(find_lib_or_die lib => 'mylib', alien => ['Alien::MyLibrary']);
$ffi->attach( 'my_library_function' => [] => 'void' );
You can even use it with L<Inline> (C and C++ languages are supported):
package MyLibrary::Inline;
use Alien::MyLibrary;
# Inline 0.56 or better is required
use Inline 0.56 with => 'Alien::MyLibrary';
...
=head1 DESCRIPTION
B<NOTE>: L<Alien::Base::ModuleBuild> is no longer bundled with L<Alien::Base> and has been spun off into a separate distribution.
L<Alien::Base::ModuleBuild> will be a prerequisite for L<Alien::Base> until October 1, 2017. If you are using L<Alien::Base::ModuleBuild>
you need to make sure it is declared as a C<configure_requires> in your C<Build.PL>. You may want to also consider using L<Alien::Base> and
L<alienfile> as a more modern alternative.
L<Alien::Base> comprises base classes to help in the construction of C<Alien::> modules. Modules in the L<Alien> namespace are used to locate and install (if necessary) external libraries needed by other Perl modules.
This is the documentation for the L<Alien::Base> module itself. If you
are starting out you probably want to do so from one of these documents:
=over 4
=item L<Alien::Build::Manual::AlienUser>
For users of an C<Alien::libfoo> that is implemented using L<Alien::Base>.
(The developer of C<Alien::libfoo> I<should> provide the documentation
necessary, but if not, this is the place to start).
=item L<Alien::Build::Manual::AlienAuthor>
If you are writing your own L<Alien> based on L<Alien::Build> and L<Alien::Base>.
=item L<Alien::Build::Manual::FAQ>
If you have a common question that has already been answered, like
"How do I use L<alienfile> with some build system".
=item L<Alien::Build::Manual::PluginAuthor>
This is for the brave souls who want to write plugins that will work with
L<Alien::Build> + L<alienfile>.
=back
Before using an L<Alien::Base> based L<Alien> directly, please consider the following advice:
If you are wanting to use an L<Alien::Base> based L<Alien> with an XS module using L<ExtUtils::MakeMaker> or L<Module::Build>, it is highly
recommended that you use L<Alien::Base::Wrapper>, rather than using the L<Alien> directly, because it handles a number of sharp edges and avoids
pitfalls common when trying to use an L<Alien> directly with L<ExtUtils::MakeMaker>.
In the same vein, if you are wanting to use an L<Alien::Base> based L<Alien> with an XS module using L<Dist::Zilla> it is highly recommended
that you use L<Dist::Zilla::Plugin::AlienBase::Wrapper> for the same reasons.
As of version 0.28, L<FFI::CheckLib> has a good interface for working with L<Alien::Base> based L<Alien>s in fallback mode, which is
recommended.
You should typically only be using an L<Alien::Base> based L<Alien> directly, if you need to integrate it with some other system, or if it
is a tool based L<Alien> that you don't need to link.
The above synopsis and linked manual documents will lead you down the right path, but it is worth knowing before you read further in this
document.
=head1 METHODS
In the example snippets here, C<Alien::MyLibrary> represents any
subclass of L<Alien::Base>.
=head2 dist_dir
my $dir = Alien::MyLibrary->dist_dir;
Returns the directory that contains the install root for
the packaged software, if it was built from install (i.e., if
C<install_type> is C<share>).
=head2 new
my $alien = Alien::MyLibrary->new;
Creates an instance of an L<Alien::Base> object. This is typically
unnecessary.
=head2 cflags
my $cflags = Alien::MyLibrary->cflags;
use Text::ParseWords qw( shellwords );
my @cflags = shellwords( Alien::MyLibrary->cflags );
Returns the C compiler flags necessary to compile an XS
module using the alien software. If you need this in list
form (for example if you are calling system with a list
argument) you can pass this value into C<shellwords> from
the Perl core L<Text::ParseWords> module.
=head2 cflags_static
my $cflags = Alien::MyLibrary->cflags_static;
Same as C<cflags> above, but gets the static compiler flags,
if they are different.
=head2 libs
my $libs = Alien::MyLibrary->libs;
use Text::ParseWords qw( shellwords );
my @cflags = shellwords( Alien::MyLibrary->libs );
Returns the library linker flags necessary to link an XS
module against the alien software. If you need this in list
form (for example if you are calling system with a list
argument) you can pass this value into C<shellwords> from
the Perl core L<Text::ParseWords> module.
=head2 libs_static
my $libs = Alien::MyLibrary->libs_static;
Same as C<libs> above, but gets the static linker flags,
if they are different.
=head2 version
my $version = Alien::MyLibrary->version;
Returns the version of the alienized library or tool that was
determined at install time.
=head2 atleast_version
=head2 exact_version
=head2 max_version
my $ok = Alien::MyLibrary->atleast_version($wanted_version);
my $ok = Alien::MyLibrary->exact_version($wanted_version);
my $ok = Alien::MyLibrary->max_version($wanted_version);
Returns true if the version of the alienized library or tool is at least,
exactly, or at most the version specified, respectively.
=head2 version_cmp
$cmp = Alien::MyLibrary->version_cmp($x, $y)
Comparison method used by L</atleast_version>, L</exact_version> and
L</max_version>. May be useful to implement custom comparisons, or for
subclasses to overload to get different version comparison semantics than the
default rules, for packages that have some other rules than the F<pkg-config>
behaviour.
Should return a number less than, equal to, or greater than zero; similar in
behaviour to the C<< <=> >> and C<cmp> operators.
=head2 install_type
my $install_type = Alien::MyLibrary->install_type;
my $bool = Alien::MyLibrary->install_type($install_type);
Returns the install type that was used when C<Alien::MyLibrary> was
installed.
If a type is provided (the second form in the synopsis)
returns true if the actual install type matches.
For this use case it is recommended to use C<is_system_install>
or C<is_share_install> instead as these are less prone to
typographical errors.
Types include:
=over 4
=item system
The library was provided by the operating system
=item share
The library was not available when C<Alien::MyLibrary> was installed, so
it was built from source code, either downloaded from the Internet
or bundled with C<Alien::MyLibrary>.
=back
=head2 is_system_install
my $type = $build->is_system_install;
Returns true if the alien is a system install type.
=head2 is_share_install
my $type = $build->is_share_install;
Returns true if the alien is a share install type.
=head2 config
my $value = Alien::MyLibrary->config($key);
Returns the configuration data as determined during the install
of C<Alien::MyLibrary>. For the appropriate config keys, see
L<Alien::Base::ModuleBuild::API/"CONFIG DATA">.
This is not typically used by L<Alien::Base> and L<alienfile>,
but a compatible interface will be provided.
=head2 dynamic_libs
my @dlls = Alien::MyLibrary->dynamic_libs;
my($dll) = Alien::MyLibrary->dynamic_libs;
Returns a list of the dynamic library or shared object files for the
alien software.
=head2 bin_dir
my(@dir) = Alien::MyLibrary->bin_dir
Returns a list of directories with executables in them. For a C<system>
install this will be an empty list. For a C<share> install this will be
a directory under C<dist_dir> named C<bin> if it exists. You may wish
to override the default behavior if you have executables or scripts that
get installed into non-standard locations.
Example usage:
use Env qw( @PATH );
unshift @PATH, Alien::MyLibrary->bin_dir;
=head2 dynamic_dir
my(@dir) = Alien::MyLibrary->dynamic_dir
Returns the dynamic dir for a dynamic build (if the main
build is static). For a C<share> install this will be a
directory under C<dist_dir> named C<dynamic> if it exists.
System builds return an empty list.
Example usage:
use Env qw( @PATH );
unshift @PATH, Alien::MyLibrary->dynamic_dir;
=head2 alien_helper
my $helpers = Alien::MyLibrary->alien_helper;
Returns a hash reference of helpers provided by the Alien module.
The keys are helper names and the values are code references. The
code references will be executed at command time and the return value
will be interpolated into the command before execution. The default
implementation returns an empty hash reference, and you are expected
to override the method to create your own helpers.
For use with commands specified in and L<alienfile> or in your C<Build.Pl>
when used with L<Alien::Base::ModuleBuild>.
Helpers allow users of your Alien module to use platform or environment
determined logic to compute command names or arguments in your installer
logic. Helpers allow you to do this without making your Alien module a
requirement when a build from source code is not necessary.
As a concrete example, consider L<Alien::gmake>, which provides the
helper C<gmake>:
package Alien::gmake;
...
sub alien_helper {
my($class) = @_;
return {
gmake => sub {
# return the executable name for GNU make,
# usually either make or gmake depending on
# the platform and environment
$class->exe;
}
},
}
Now consider L<Alien::nasm>. C<nasm> requires GNU Make to build from
source code, but if the system C<nasm> package is installed we don't
need it. From the L<alienfile> of C<Alien::nasm>:
use alienfile;
plugin 'Probe::CommandLine' => (
command => 'nasm',
args => ['-v'],
match => qr/NASM version/,
);
share {
...
plugin 'Extract' => 'tar.gz';
plugin 'Build::MSYS';
build [
'sh configure --prefix=%{alien.install.prefix}',
'%{gmake}',
'%{gmake} install',
];
};
...
=head2 inline_auto_include
my(@headers) = Alien::MyLibrary->inline_auto_include;
List of header files to automatically include in inline C and C++
code when using L<Inline::C> or L<Inline::CPP>. This is provided
as a public interface primarily so that it can be overridden at run
time. This can also be specified in your C<Build.PL> with
L<Alien::Base::ModuleBuild> using the C<alien_inline_auto_include>
property.
=head2 runtime_prop
my $hashref = Alien::MyLibrary->runtime_prop;
Returns a hash reference of the runtime properties computed by L<Alien::Build> during its
install process. If the L<Alien::Base> based L<Alien> was not built using L<Alien::Build>,
then this will return undef.
=head2 alt
my $new_alien = Alien::MyLibrary->alt($alt_name);
my $new_alien = $old_alien->alt($alt_name);
Returns an L<Alien::Base> instance with the alternate configuration.
Some packages come with multiple libraries, and multiple C<.pc> files to
use with them. This method can be used with C<pkg-config> plugins to
access different configurations. (It could also be used with non-pkg-config
based packages too, though there are not as of this writing any build
time plugins that take advantage of this feature).
From your L<alienfile>
use alienfile;
plugin 'PkgConfig' => (
pkg_name => [ 'libfoo', 'libbar', ],
);
Then in your base class works like normal:
package Alien::MyLibrary;
use parent qw( Alien::Base );
1;
Then you can use it:
use Alien::MyLibrary;
my $cflags = Alien::MyLibrary->alt('foo1')->cflags;
my $libs = Alien::MyLibrary->alt('foo1')->libs;
=head2 alt_names
my @alt_names = Alien::MyLibrary->alt_names
Returns the list of all available alternative configuration names.
=head2 alt_exists
my $bool = Alien::MyLibrary->alt_exists($alt_name)
Returns true if the given alternative configuration exists.
=head1 SUPPORT AND CONTRIBUTING
First check the L<Alien::Build::Manual::FAQ> for questions that have already been answered.
IRC: #native on irc.perl.org
L<(click for instant chatroom login)|http://chat.mibbit.com/#native@irc.perl.org>
If you find a bug, please report it on the projects issue tracker on GitHub:
=over 4
=item L<https://github.com/PerlAlien/Alien-Build/issues>
=back
Development is discussed on the projects google groups. This is also
a reasonable place to post a question if you don't want to open an issue
in GitHub.
=over 4
=item L<https://groups.google.com/forum/#!forum/perl5-alien>
=back
If you have implemented a new feature or fixed a bug, please open a pull
request.
=over 4
=item L<https://github.com/PerlAlien/Alien-Build/pulls>
=back
=head1 SEE ALSO
=over
=item *
L<Alien::Build>
=item *
L<alienfile>
=item *
L<Alien>
=item *
L<Alien::Build::Manual::FAQ>
=back
=head1 THANKS
C<Alien::Base> was originally written by Joel Berger, and that
code is still Copyright (C) 2012-2017 Joel Berger. It has the
same license as the rest of the L<Alien::Build>.
Special thanks for the early development of C<Alien::Base> go to:
=over
=item Christian Walde (Mithaldu)
For productive conversations about component interoperability.
=item kmx
For writing Alien::Tidyp from which I drew many of my initial ideas.
=item David Mertens (run4flat)
For productive conversations about implementation.
=item Mark Nunberg (mordy, mnunberg)
For graciously teaching me about rpath and dynamic loading,
=back
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
__END__
__POD__
PK �fl\����~ �~ perl5/5.32/AppConfig.pmnu ��6�$ #============================================================================
#
# AppConfig.pm
#
# Perl5 module for reading and parsing configuration files and command line
# arguments.
#
# Written by Andy Wardley <abw@wardley.org>
#
# Copyright (C) 1997-2007 Andy Wardley. All Rights Reserved.
# Copyright (C) 1997,1998 Canon Research Centre Europe Ltd.
#==========================================================================
package AppConfig;
use 5.006;
use strict;
use warnings;
use base 'Exporter';
our $VERSION = '1.71';
# variable expansion constants
use constant EXPAND_NONE => 0;
use constant EXPAND_VAR => 1;
use constant EXPAND_UID => 2;
use constant EXPAND_ENV => 4;
use constant EXPAND_ALL => EXPAND_VAR | EXPAND_UID | EXPAND_ENV;
use constant EXPAND_WARN => 8;
# argument count types
use constant ARGCOUNT_NONE => 0;
use constant ARGCOUNT_ONE => 1;
use constant ARGCOUNT_LIST => 2;
use constant ARGCOUNT_HASH => 3;
# Exporter tagsets
our @EXPAND = qw(
EXPAND_NONE
EXPAND_VAR
EXPAND_UID
EXPAND_ENV
EXPAND_ALL
EXPAND_WARN
);
our @ARGCOUNT = qw(
ARGCOUNT_NONE
ARGCOUNT_ONE
ARGCOUNT_LIST
ARGCOUNT_HASH
);
our @EXPORT_OK = ( @EXPAND, @ARGCOUNT );
our %EXPORT_TAGS = (
expand => [ @EXPAND ],
argcount => [ @ARGCOUNT ],
);
our $AUTOLOAD;
require AppConfig::State;
#------------------------------------------------------------------------
# new(\%config, @vars)
#
# Module constructor. All parameters passed are forwarded onto the
# AppConfig::State constructor. Returns a reference to a newly created
# AppConfig object.
#------------------------------------------------------------------------
sub new {
my $class = shift;
bless {
STATE => AppConfig::State->new(@_)
}, $class;
}
#------------------------------------------------------------------------
# file(@files)
#
# The file() method is called to parse configuration files. An
# AppConfig::File object is instantiated and stored internally for
# use in subsequent calls to file().
#------------------------------------------------------------------------
sub file {
my $self = shift;
my $state = $self->{ STATE };
my $file;
require AppConfig::File;
# create an AppConfig::File object if one isn't defined
$file = $self->{ FILE } ||= AppConfig::File->new($state);
# call on the AppConfig::File object to process files.
$file->parse(@_);
}
#------------------------------------------------------------------------
# args(\@args)
#
# The args() method is called to parse command line arguments. An
# AppConfig::Args object is instantiated and then stored internally for
# use in subsequent calls to args().
#------------------------------------------------------------------------
sub args {
my $self = shift;
my $state = $self->{ STATE };
my $args;
require AppConfig::Args;
# create an AppConfig::Args object if one isn't defined
$args = $self->{ ARGS } ||= AppConfig::Args->new($state);
# call on the AppConfig::Args object to process arguments.
$args->parse(shift);
}
#------------------------------------------------------------------------
# getopt(@config, \@args)
#
# The getopt() method is called to parse command line arguments. The
# AppConfig::Getopt module is require()'d and an AppConfig::Getopt object
# is created to parse the arguments.
#------------------------------------------------------------------------
sub getopt {
my $self = shift;
my $state = $self->{ STATE };
my $getopt;
require AppConfig::Getopt;
# create an AppConfig::Getopt object if one isn't defined
$getopt = $self->{ GETOPT } ||= AppConfig::Getopt->new($state);
# call on the AppConfig::Getopt object to process arguments.
$getopt->parse(@_);
}
#------------------------------------------------------------------------
# cgi($query)
#
# The cgi() method is called to parse a CGI query string. An
# AppConfig::CGI object is instantiated and then stored internally for
# use in subsequent calls to args().
#------------------------------------------------------------------------
sub cgi {
my $self = shift;
my $state = $self->{ STATE };
my $cgi;
require AppConfig::CGI;
# create an AppConfig::CGI object if one isn't defined
$cgi = $self->{ CGI } ||= AppConfig::CGI->new($state);
# call on the AppConfig::CGI object to process a query.
$cgi->parse(shift);
}
#------------------------------------------------------------------------
# AUTOLOAD
#
# Autoload function called whenever an unresolved object method is
# called. All methods are delegated to the $self->{ STATE }
# AppConfig::State object.
#
#------------------------------------------------------------------------
sub AUTOLOAD {
my $self = shift;
my $method;
# splat the leading package name
($method = $AUTOLOAD) =~ s/.*:://;
# ignore destructor
$method eq 'DESTROY' && return;
# delegate method call to AppConfig::State object in $self->{ STATE }
$self->{ STATE }->$method(@_);
}
1;
__END__
=head1 NAME
AppConfig - Perl5 module for reading configuration files and parsing command line arguments.
=head1 SYNOPSIS
use AppConfig;
# create a new AppConfig object
my $config = AppConfig->new( \%cfg );
# define a new variable
$config->define( $varname => \%varopts );
# create/define combined
my $config = AppConfig->new( \%cfg,
$varname => \%varopts,
$varname => \%varopts,
...
);
# set/get the value
$config->set( $varname, $value );
$config->get($varname);
# shortcut form
$config->varname($value);
$config->varname;
# read configuration file
$config->file($file);
# parse command line options
$config->args(\@args); # default to \@ARGV
# advanced command line options with Getopt::Long
$config->getopt(\@args); # default to \@ARGV
# parse CGI parameters (GET method)
$config->cgi($query); # default to $ENV{ QUERY_STRING }
=head1 OVERVIEW
AppConfig is a Perl5 module for managing application configuration
information. It maintains the state of any number of variables and
provides methods for parsing configuration files, command line
arguments and CGI script parameters.
Variables values may be set via configuration files. Variables may be
flags (On/Off), take a single value, or take multiple values stored as a
list or hash. The number of arguments a variable expects is determined
by its configuration when defined.
# flags
verbose
nohelp
debug = On
# single value
home = /home/abw/
# multiple list value
file = /tmp/file1
file = /tmp/file2
# multiple hash value
book camel = Programming Perl
book llama = Learning Perl
The '-' prefix can be used to reset a variable to its default value and
the '+' prefix can be used to set it to 1
-verbose
+debug
Variable, environment variable and tilde (home directory) expansions
can be applied (selectively, if necessary) to the values read from
configuration files:
home = ~ # home directory
nntp = ${NNTPSERVER} # environment variable
html = $home/html # internal variables
img = $html/images
Configuration files may be arranged in blocks as per the style of Win32
"INI" files.
[file]
site = kfs
src = ~/websrc/docs/$site
lib = ~/websrc/lib
dest = ~/public_html/$site
[page]
header = $lib/header
footer = $lib/footer
You can also use Perl's "heredoc" syntax to define a large block of
text in a configuration file.
multiline = <<FOOBAR
line 1
line 2
FOOBAR
paths exe = "${PATH}:${HOME}/.bin"
paths link = <<'FOO'
${LD_LIBARRAY_PATH}:${HOME}/lib
FOO
Variables may also be set by parsing command line arguments.
myapp -verbose -site kfs -file f1 -file f2
AppConfig provides a simple method (args()) for parsing command line
arguments. A second method (getopt()) allows more complex argument
processing by delegation to Johan Vroman's Getopt::Long module.
AppConfig also allows variables to be set by parameters passed to a
CGI script via the URL (GET method).
http://www.nowhere.com/cgi-bin/myapp?verbose&site=kfs
=head1 PREREQUISITES
AppConfig requires Perl 5.005 or later.
The L<Getopt::Long> and L<Test::More> modules should be installed.
If you are using a recent version of Perl (e.g. 5.8.0) then these
should already be installed.
=head1 OBTAINING AND INSTALLING THE AppConfig MODULE BUNDLE
The AppConfig module bundle is available from CPAN. As the 'perlmod'
manual page explains:
CPAN stands for the Comprehensive Perl Archive Network.
This is a globally replicated collection of all known Perl
materials, including hundreds of unbundled modules.
[...]
For an up-to-date listing of CPAN sites, see
http://www.perl.com/perl/ or ftp://ftp.perl.com/perl/ .
Within the CPAN archive, AppConfig is in the category:
12) Option, Argument, Parameter and Configuration File Processing
The module is available in the following directories:
/modules/by-module/AppConfig/AppConfig-<version>.tar.gz
/authors/id/ABW/AppConfig-<version>.tar.gz
AppConfig is distributed as a single gzipped tar archive file:
AppConfig-<version>.tar.gz
Note that "<version>" represents the current AppConfig version
number, of the form "n.nn", e.g. "3.14". See the REVISION section
below to determine the current version number for AppConfig.
Unpack the archive to create a AppConfig installation directory:
gunzip AppConfig-<version>.tar.gz
tar xvf AppConfig-<version>.tar
'cd' into that directory, make, test and install the modules:
cd AppConfig-<version>
perl Makefile.PL
make
make test
make install
The 't' sub-directory contains a number of test scripts that are run when
a 'make test' is run.
The 'make install' will install the module on your system. You may need
administrator privileges to perform this task. If you install the module
in a local directory (for example, by executing "perl Makefile.PL
LIB=~/lib" in the above - see C<perldoc MakeMaker> for full details), you
will need to ensure that the PERL5LIB environment variable is set to
include the location, or add a line to your scripts explicitly naming the
library location:
use lib '/local/path/to/lib';
The 'examples' sub-directory contains some simple examples of using the
AppConfig modules.
=head1 DESCRIPTION
=head2 USING THE AppConfig MODULE
To import and use the L<AppConfig> module the following line should
appear in your Perl script:
use AppConfig;
To import constants defined by the AppConfig module, specify the name of
one or more of the constant or tag sets as parameters to C<use>:
use AppConfig qw(:expand :argcount);
See L<CONSTANT DEFINITIONS> below for more information on the constant
tagsets defined by AppConfig.
AppConfig is implemented using object-oriented methods. A
new AppConfig object is created and initialized using the
new() method. This returns a reference to a new AppConfig
object.
my $config = AppConfig->new();
This will create and return a reference to a new AppConfig object.
In doing so, the AppConfig object also creates an internal reference
to an AppConfig::State object in which to store variable state. All
arguments passed into the AppConfig constructor are passed directly
to the AppConfig::State constructor.
The first (optional) parameter may be a reference to a hash array
containing configuration information.
my $config = AppConfig->new( {
CASE => 1,
ERROR => \&my_error,
GLOBAL => {
DEFAULT => "<unset>",
ARGCOUNT => ARGCOUNT_ONE,
},
} );
See L<AppConfig::State> for full details of the configuration options
available. These are, in brief:
=over 4
=item CASE
Used to set case sensitivity for variable names (default: off).
=item CREATE
Used to indicate that undefined variables should be created automatically
(default: off).
=item GLOBAL
Reference to a hash array of global values used by default when defining
variables. Valid global values are DEFAULT, ARGCOUNT, EXPAND, VALIDATE
and ACTION.
=item PEDANTIC
Used to indicate that command line and configuration file parsing routines
should return immediately on encountering an error.
=item ERROR
Used to provide a error handling routine. Arguments as per printf().
=back
Subsequent parameters may be variable definitions. These are passed
to the define() method, described below in L<DEFINING VARIABLES>.
my $config = AppConfig->new("foo", "bar", "baz");
my $config = AppConfig->new( { CASE => 1 }, qw(foo bar baz) );
Note that any unresolved method calls to AppConfig are automatically
delegated to the AppConfig::State object. In practice, it means that
it is possible to treat the AppConfig object as if it were an
AppConfig::State object:
# create AppConfig
my $config = AppConfig->new('foo', 'bar');
# methods get passed through to internal AppConfig::State
$config->foo(100);
$config->set('bar', 200);
$config->define('baz');
$config->baz(300);
=head2 DEFINING VARIABLES
The C<define()> method (delegated to AppConfig::State) is used to
pre-declare a variable and specify its configuration.
$config->define("foo");
Variables may also be defined directly from the AppConfig new()
constructor.
my $config = AppConfig->new("foo");
In both simple examples above, a new variable called "foo" is defined. A
reference to a hash array may also be passed to specify configuration
information for the variable:
$config->define("foo", {
DEFAULT => 99,
ALIAS => 'metavar1',
});
Configuration items specified in the GLOBAL option to the module
constructor are applied by default when variables are created. e.g.
my $config = AppConfig->new( {
GLOBAL => {
DEFAULT => "<undef>",
ARGCOUNT => ARGCOUNT_ONE,
}
} );
$config->define("foo");
$config->define("bar", { ARGCOUNT => ARGCOUNT_NONE } );
is equivalent to:
my $config = AppConfig->new();
$config->define( "foo", {
DEFAULT => "<undef>",
ARGCOUNT => ARGCOUNT_ONE,
} );
$config->define( "bar",
DEFAULT => "<undef>",
ARGCOUNT => ARGCOUNT_NONE,
} );
Multiple variables may be defined in the same call to define().
Configuration hashes for variables can be omitted.
$config->define("foo", "bar" => { ALIAS = "boozer" }, "baz");
See L<AppConfig::State> for full details of the configuration options
available when defining variables. These are, in brief:
=over
=item DEFAULT
The default value for the variable (default: undef).
=item ALIAS
One or more (list reference or "list|like|this") alternative names for the
variable.
=item ARGCOUNT
Specifies the number and type of arguments that the variable expects.
Constants in C<:expand> tag set define ARGCOUNT_NONE - simple on/off flag
(default), ARGCOUNT_ONE - single value, ARGCOUNT_LIST - multiple values
accessed via list reference, ARGCOUNT_HASH - hash table, "key=value",
accessed via hash reference.
=item ARGS
Used to provide an argument specification string to pass to Getopt::Long
via AppConfig::Getopt. E.g. "=i", ":s", "=s@". This can also be used to
implicitly set the ARGCOUNT value (C</^!/> = ARGCOUNT_NONE, C</@/> =
ARGCOUNT_LIST, C</%/> = ARGCOUNT_HASH, C</[=:].*/> = ARGCOUNT_ONE)
=item EXPAND
Specifies which variable expansion policies should be used when parsing
configuration files. Constants in C<:expand> tag set define:
EXPAND_NONE - no expansion (default)
EXPAND_VAR - expand C<$var> or C<$(var)> as other variables
EXPAND_UID - expand C<~> and C<~uid> as user's home directory
EXPAND_ENV - expand C<${var}> as environment variable
EXPAND_ALL - do all expansions.
=item VALIDATE
Regex which the intended variable value should match or code reference
which returns 1 to indicate successful validation (variable may now be set).
=item ACTION
Code reference to be called whenever variable value changes.
=back
=head2 COMPACT FORMAT DEFINITION
Variables can be specified using a compact format. This is identical to
the specification format of Getopt::Long and is of the form:
"name|alias|alias<argopts>"
The first element indicates the variable name and subsequent ALIAS
values may be added, each separated by a vertical bar '|'.
The E<lt>argoptsE<gt> element indicates the ARGCOUNT value and may be one of
the following;
! ARGCOUNT_NONE
=s ARGCOUNT_ONE
=s@ ARGCOUNT_LIST
=s% ARGCOUNT_HASH
Additional constructs supported by Getopt::Long may be specified instead
of the "=s" element (e.g. "=f"). The entire E<lt>argoptsE<gt> element
is stored in the ARGS parameter for the variable and is passed intact to
Getopt::Long when the getopt() method is called.
The following examples demonstrate use of the compact format, with their
equivalent full specifications:
$config->define("foo|bar|baz!");
$config->define(
"foo" => {
ALIAS => "bar|baz",
ARGCOUNT => ARGCOUNT_NONE,
});
$config->define("name=s");
$config->define(
"name" => {
ARGCOUNT => ARGCOUNT_ONE,
});
$config->define("file|filelist|f=s@");
$config->define(
"file" => {
ALIAS => "filelist|f",
ARGCOUNT => ARGCOUNT_LIST,
});
$config->define("user|u=s%");
$config->define(
"user" => {
ALIAS => "u",
ARGCOUNT => ARGCOUNT_HASH,
});
Additional configuration options may be specified by hash reference, as per
normal. The compact definition format will override any configuration
values provided for ARGS and ARGCOUNT.
$config->define("file|filelist|f=s@", { VALIDATE => \&check_file } );
=head2 READING AND MODIFYING VARIABLE VALUES
AppConfig defines two methods (via AppConfig::State) to manipulate variable
values
set($variable, $value);
get($variable);
Once defined, variables may be accessed directly as object methods where
the method name is the same as the variable name. i.e.
$config->set("verbose", 1);
is equivalent to
$config->verbose(1);
Note that AppConfig defines the following methods:
new();
file();
args();
getopt();
And also, through delegation to AppConfig::State:
define()
get()
set()
varlist()
If you define a variable with one of the above names, you will not be able
to access it directly as an object method. i.e.
$config->file();
This will call the file() method, instead of returning the value of the
'file' variable. You can work around this by explicitly calling get() and
set() on a variable whose name conflicts:
$config->get('file');
or by defining a "safe" alias by which the variable can be accessed:
$config->define("file", { ALIAS => "fileopt" });
or
$config->define("file|fileopt");
...
$config->fileopt();
Without parameters, the current value of the variable is returned. If
a parameter is specified, the variable is set to that value and the
result of the set() operation is returned.
$config->age(29); # sets 'age' to 29, returns 1 (ok)
print $config->age(); # prints "29"
The varlist() method can be used to extract a number of variables into
a hash array. The first parameter should be a regular expression
used for matching against the variable names.
my %vars = $config->varlist("^file"); # all "file*" variables
A second parameter may be specified (any true value) to indicate that
the part of the variable name matching the regex should be removed
when copied to the target hash.
$config->file_name("/tmp/file");
$config->file_path("/foo:/bar:/baz");
my %vars = $config->varlist("^file_", 1);
# %vars:
# name => /tmp/file
# path => "/foo:/bar:/baz"
=head2 READING CONFIGURATION FILES
The AppConfig module provides a streamlined interface for reading
configuration files with the AppConfig::File module. The file() method
automatically loads the AppConfig::File module and creates an object
to process the configuration file or files. Variables stored in the
internal AppConfig::State are automatically updated with values specified
in the configuration file.
$config->file($filename);
Multiple files may be passed to file() and should indicate the file name
or be a reference to an open file handle or glob.
$config->file($filename, $filehandle, \*STDIN, ...);
The file may contain blank lines and comments (prefixed by '#') which
are ignored. Continutation lines may be marked by ending the line with
a '\'.
# this is a comment
callsign = alpha bravo camel delta echo foxtrot golf hipowls \
india juliet kilo llama mike november oscar papa \
quebec romeo sierra tango umbrella victor whiskey \
x-ray yankee zebra
Variables that are simple flags and do not expect an argument (ARGCOUNT =
ARGCOUNT_NONE) can be specified without any value. They will be set with
the value 1, with any value explicitly specified (except "0" and "off")
being ignored. The variable may also be specified with a "no" prefix to
implicitly set the variable to 0.
verbose # on (1)
verbose = 1 # on (1)
verbose = 0 # off (0)
verbose off # off (0)
verbose on # on (1)
verbose mumble # on (1)
noverbose # off (0)
Variables that expect an argument (ARGCOUNT = ARGCOUNT_ONE) will be set to
whatever follows the variable name, up to the end of the current line
(including any continuation lines). An optional equals sign may be inserted
between the variable and value for clarity.
room = /home/kitchen
room /home/bedroom
Each subsequent re-definition of the variable value overwrites the previous
value.
print $config->room(); # prints "/home/bedroom"
Variables may be defined to accept multiple values (ARGCOUNT = ARGCOUNT_LIST).
Each subsequent definition of the variable adds the value to the list of
previously set values for the variable.
drink = coffee
drink = tea
A reference to a list of values is returned when the variable is requested.
my $beverages = $config->drink();
print join(", ", @$beverages); # prints "coffee, tea"
Variables may also be defined as hash lists (ARGCOUNT = ARGCOUNT_HASH).
Each subsequent definition creates a new key and value in the hash array.
alias l="ls -CF"
alias e="emacs"
A reference to the hash is returned when the variable is requested.
my $aliases = $config->alias();
foreach my $k (keys %$aliases) {
print "$k => $aliases->{ $k }\n";
}
The '-' prefix can be used to reset a variable to its default value and
the '+' prefix can be used to set it to 1
-verbose
+debug
=head2 VARIABLE EXPANSION
Variable values may contain references to other AppConfig variables,
environment variables and/or users' home directories. These will be
expanded depending on the EXPAND value for each variable or the GLOBAL
EXPAND value.
Three different expansion types may be applied:
bin = ~/bin # expand '~' to home dir if EXPAND_UID
tmp = ~abw/tmp # as above, but home dir for user 'abw'
perl = $bin/perl # expand value of 'bin' variable if EXPAND_VAR
ripl = $(bin)/ripl # as above with explicit parens
home = ${HOME} # expand HOME environment var if EXPAND_ENV
See L<AppConfig::State> for more information on expanding variable values.
The configuration files may have variables arranged in blocks. A block
header, consisting of the block name in square brackets, introduces a
configuration block. The block name and an underscore are then prefixed
to the names of all variables subsequently referenced in that block. The
block continues until the next block definition or to the end of the current
file.
[block1]
foo = 10 # block1_foo = 10
[block2]
foo = 20 # block2_foo = 20
=head2 PARSING COMMAND LINE OPTIONS
There are two methods for processing command line options. The first,
args(), is a small and efficient implementation which offers basic
functionality. The second, getopt(), offers a more powerful and complete
facility by delegating the task to Johan Vroman's Getopt::Long module.
The trade-off between args() and getopt() is essentially one of speed/size
against flexibility. Use as appropriate. Both implement on-demand loading
of modules and incur no overhead until used.
The args() method is used to parse simple command line options. It
automatically loads the AppConfig::Args module and creates an object
to process the command line arguments. Variables stored in the internal
AppConfig::State are automatically updated with values specified in the
arguments.
The method should be passed a reference to a list of arguments to parse.
The @ARGV array is used if args() is called without parameters.
$config->args(\@myargs);
$config->args(); # uses @ARGV
Arguments are read and shifted from the array until the first is
encountered that is not prefixed by '-' or '--'. At that point, the
method returns 1 to indicate success, leaving any unprocessed arguments
remaining in the list.
Each argument should be the name or alias of a variable prefixed by
'-' or '--'. Arguments that are not prefixed as such (and are not an
additional parameter to a previous argument) will cause a warning to be
raised. If the PEDANTIC option is set, the method will return 0
immediately. With PEDANTIC unset (default), the method will continue
to parse the rest of the arguments, returning 0 when done.
If the variable is a simple flag (ARGCOUNT = ARGCOUNT_NONE)
then it is set to the value 1. The variable may be prefixed by "no" to
set its value to 0.
myprog -verbose --debug -notaste # $config->verbose(1)
# $config->debug(1)
# $config->taste(0)
Variables that expect an additional argument (ARGCOUNT != 0) will be set to
the value of the argument following it.
myprog -f /tmp/myfile # $config->file('/tmp/file');
Variables that expect multiple values (ARGCOUNT = ARGCOUNT_LIST or
ARGCOUNT_HASH) will have successive values added each time the option
is encountered.
myprog -file /tmp/foo -file /tmp/bar # $config->file('/tmp/foo')
# $config->file('/tmp/bar')
# file => [ '/tmp/foo', '/tmp/bar' ]
myprog -door "jim=Jim Morrison" -door "ray=Ray Manzarek"
# $config->door("jim=Jim Morrison");
# $config->door("ray=Ray Manzarek");
# door => { 'jim' => 'Jim Morrison', 'ray' => 'Ray Manzarek' }
See L<AppConfig::Args> for further details on parsing command line
arguments.
The getopt() method provides a way to use the power and flexibility of
the Getopt::Long module to parse command line arguments and have the
internal values of the AppConfig object updates automatically.
The first (non-list reference) parameters may contain a number of
configuration string to pass to Getopt::Long::Configure. A reference
to a list of arguments may additionally be passed or @ARGV is used by
default.
$config->getopt(); # uses @ARGV
$config->getopt(\@myargs);
$config->getopt(qw(auto_abbrev debug)); # uses @ARGV
$config->getopt(qw(debug), \@myargs);
See Getopt::Long for details of the configuration options available.
The getopt() method constructs a specification string for each internal
variable and then initializes Getopt::Long with these values. The
specification string is constructed from the name, any aliases (delimited
by a vertical bar '|') and the value of the ARGS parameter.
$config->define("foo", {
ARGS => "=i",
ALIAS => "bar|baz",
});
# Getopt::Long specification: "foo|bar|baz=i"
Errors and warning generated by the Getopt::Long module are trapped and
handled by the AppConfig error handler. This may be a user-defined
routine installed with the ERROR configuration option.
Please note that the AppConfig::Getopt interface is still experimental
and may not be 100% operational. This is almost undoubtedly due to
problems in AppConfig::Getopt rather than Getopt::Long.
=head2 PARSING CGI PARAMETERS
The cgi() method provides an interface to the AppConfig::CGI module
for updating variable values based on the parameters appended to the
URL for a CGI script. This is commonly known as the CGI
"GET" method. The CGI "POST" method is currently not supported.
Parameter definitions are separated from the CGI script name by a
question mark and from each other by ampersands. Where variables
have specific values, these are appended to the variable with an
equals sign:
http://www.here.com/cgi-bin/myscript?foo=bar&baz=qux&verbose
# $config->foo('bar');
# $config->baz('qux');
# $config->verbose(1);
Certain values specified in a URL must be escaped in the appropriate
manner (see CGI specifications at http://www.w3c.org/ for full details).
The AppConfig::CGI module automatically unescapes the CGI query string
to restore the parameters to their intended values.
http://where.com/mycgi?title=%22The+Wrong+Trousers%22
# $config->title('"The Wrong Trousers"');
Please be considerate of the security implications of providing writable
access to script variables via CGI.
http://rebel.alliance.com/cgi-bin/...
.../send_report?file=%2Fetc%2Fpasswd&email=darth%40empire.com
To avoid any accidental or malicious changing of "private" variables,
define only the "public" variables before calling the cgi() (or any
other) method. Further variables can subsequently be defined which
can not be influenced by the CGI parameters.
$config->define('verbose', 'debug')
$config->cgi(); # can only set verbose and debug
$config->define('email', 'file');
$config->file($cfgfile); # can set verbose, debug, email + file
=head1 CONSTANT DEFINITIONS
A number of constants are defined by the AppConfig module. These may be
accessed directly (e.g. AppConfig::EXPAND_VARS) or by first importing them
into the caller's package. Constants are imported by specifying their
names as arguments to C<use AppConfig> or by importing a set of constants
identified by its "tag set" name.
use AppConfig qw(ARGCOUNT_NONE ARGCOUNT_ONE);
use AppConfig qw(:argcount);
The following tag sets are defined:
=over 4
=item :expand
The ':expand' tagset defines the following constants:
EXPAND_NONE
EXPAND_VAR
EXPAND_UID
EXPAND_ENV
EXPAND_ALL # EXPAND_VAR | EXPAND_UID | EXPAND_ENV
EXPAND_WARN
See AppConfig::File for full details of the use of these constants.
=item :argcount
The ':argcount' tagset defines the following constants:
ARGCOUNT_NONE
ARGCOUNT_ONE
ARGCOUNT_LIST
ARGCOUNT_HASH
See AppConfig::State for full details of the use of these constants.
=back
=head1 REPOSITORY
L<https://github.com/neilbowers/AppConfig>
=head1 AUTHOR
Andy Wardley, E<lt>abw@wardley.orgE<gt>
With contributions from Dave Viner, Ijon Tichy, Axel Gerstmair and
many others whose names have been lost to the sands of time (reminders
welcome).
=head1 COPYRIGHT
Copyright (C) 1997-2007 Andy Wardley. All Rights Reserved.
Copyright (C) 1997,1998 Canon Research Centre Europe Ltd.
This module is free software; you can redistribute it and/or modify it
under the same terms as Perl itself.
=head1 SEE ALSO
L<AppConfig::State>, L<AppConfig::File>, L<AppConfig::Args>, L<AppConfig::Getopt>,
L<AppConfig::CGI>, L<Getopt::Long>
=cut
PK �fl\��� �L �L perl5/5.32/XML/SAX/Expat.pmnu �7��m
###
# XML::SAX::Expat - SAX2 Driver for Expat (XML::Parser)
# Originally by Robin Berjon
###
package XML::SAX::Expat;
use strict;
use base qw(XML::SAX::Base);
use XML::NamespaceSupport qw();
use XML::Parser qw();
use vars qw($VERSION);
$VERSION = '0.51';
#,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,#
#`,`, Variations on parse `,`,`,`,`,`,`,`,`,`,`,`,`,`,`,`,`,`,`,`,`,#
#```````````````````````````````````````````````````````````````````#
#-------------------------------------------------------------------#
# CharacterStream
#-------------------------------------------------------------------#
sub _parse_characterstream {
my $p = shift;
my $xml = shift;
my $opt = shift;
my $expat = $p->_create_parser($opt);
my $result = $expat->parse($xml);
$p->_cleanup;
return $result;
}
#-------------------------------------------------------------------#
#-------------------------------------------------------------------#
# ByteStream
#-------------------------------------------------------------------#
sub _parse_bytestream {
my $p = shift;
my $xml = shift;
my $opt = shift;
my $expat = $p->_create_parser($opt);
my $result = $expat->parse($xml);
$p->_cleanup;
return $result;
}
#-------------------------------------------------------------------#
#-------------------------------------------------------------------#
# String
#-------------------------------------------------------------------#
sub _parse_string {
my $p = shift;
my $xml = shift;
my $opt = shift;
my $expat = $p->_create_parser($opt);
my $result = $expat->parse($xml);
$p->_cleanup;
return $result;
}
#-------------------------------------------------------------------#
#-------------------------------------------------------------------#
# SystemId
#-------------------------------------------------------------------#
sub _parse_systemid {
my $p = shift;
my $xml = shift;
my $opt = shift;
my $expat = $p->_create_parser($opt);
my $result = $expat->parsefile($xml);
$p->_cleanup;
return $result;
}
#-------------------------------------------------------------------#
#-------------------------------------------------------------------#
# $p->_create_parser(\%options)
#-------------------------------------------------------------------#
sub _create_parser {
my $self = shift;
my $opt = shift;
die "ParserReference: parser instance ($self) already parsing\n"
if $self->{_InParse};
my $featUri = 'http://xml.org/sax/features/';
my $ppe = ($self->get_feature($featUri . 'external-general-entities') or
$self->get_feature($featUri . 'external-parameter-entities') ) ? 1 : 0;
my $expat = XML::Parser->new( ParseParamEnt => $ppe );
$expat->{__XSE} = $self;
$expat->setHandlers(
Init => \&_handle_init,
Final => \&_handle_final,
Start => \&_handle_start,
End => \&_handle_end,
Char => \&_handle_char,
Comment => \&_handle_comment,
Proc => \&_handle_proc,
CdataStart => \&_handle_start_cdata,
CdataEnd => \&_handle_end_cdata,
Unparsed => \&_handle_unparsed_entity,
Notation => \&_handle_notation_decl,
#ExternEnt
#ExternEntFin
Entity => \&_handle_entity_decl,
Element => \&_handle_element_decl,
Attlist => \&_handle_attr_decl,
Doctype => \&_handle_start_doctype,
DoctypeFin => \&_handle_end_doctype,
XMLDecl => \&_handle_xml_decl,
);
$self->{_InParse} = 1;
$self->{_NodeStack} = [];
$self->{_NSStack} = [];
$self->{_NSHelper} = XML::NamespaceSupport->new({xmlns => 1});
$self->{_started} = 0;
return $expat;
}
#-------------------------------------------------------------------#
#-------------------------------------------------------------------#
# $p->_cleanup
#-------------------------------------------------------------------#
sub _cleanup {
my $self = shift;
$self->{_InParse} = 0;
delete $self->{_NodeStack};
}
#-------------------------------------------------------------------#
#,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,#
#`,`, Expat Handlers ,`,`,`,`,`,`,`,`,`,`,`,`,`,`,`,`,`,`,`,`,`,`,`,#
#```````````````````````````````````````````````````````````````````#
#-------------------------------------------------------------------#
# _handle_init
#-------------------------------------------------------------------#
sub _handle_init {
#my $self = shift()->{__XSE};
#my $document = {};
#push @{$self->{_NodeStack}}, $document;
#$self->SUPER::start_document($document);
}
#-------------------------------------------------------------------#
#-------------------------------------------------------------------#
# _handle_final
#-------------------------------------------------------------------#
sub _handle_final {
my $self = shift()->{__XSE};
#my $document = pop @{$self->{_NodeStack}};
return $self->SUPER::end_document({});
}
#-------------------------------------------------------------------#
#-------------------------------------------------------------------#
# _handle_start
#-------------------------------------------------------------------#
sub _handle_start {
my $self = shift()->{__XSE};
my $e_name = shift;
my %attr = @_;
# start_document data
$self->_handle_start_document({}) unless $self->{_started};
# take care of namespaces
my $nsh = $self->{_NSHelper};
$nsh->push_context;
my @new_ns;
for my $k (grep !index($_, 'xmlns'), keys %attr) {
$k =~ m/^xmlns(:(.*))?$/;
my $prefix = $2 || '';
$nsh->declare_prefix($prefix, $attr{$k});
my $ns = {
Prefix => $prefix,
NamespaceURI => $attr{$k},
};
push @new_ns, $ns;
$self->SUPER::start_prefix_mapping($ns);
}
push @{$self->{_NSStack}}, \@new_ns;
# create the attributes
my %saxattr;
map {
my ($ns,$prefix,$lname) = $nsh->process_attribute_name($_);
$saxattr{'{' . ($ns || '') . '}' . $lname} = {
Name => $_,
LocalName => $lname || '',
Prefix => $prefix || '',
Value => $attr{$_},
NamespaceURI => $ns || '',
};
} keys %attr;
# now the element
my ($ns,$prefix,$lname) = $nsh->process_element_name($e_name);
my $element = {
Name => $e_name,
LocalName => $lname || '',
Prefix => $prefix || '',
NamespaceURI => $ns || '',
Attributes => \%saxattr,
};
push @{$self->{_NodeStack}}, $element;
$self->SUPER::start_element($element);
}
#-------------------------------------------------------------------#
#-------------------------------------------------------------------#
# _handle_end
#-------------------------------------------------------------------#
sub _handle_end {
my $self = shift()->{__XSE};
my %element = %{pop @{$self->{_NodeStack}}};
delete $element{Attributes};
$self->SUPER::end_element(\%element);
my $prev_ns = pop @{$self->{_NSStack}};
for my $ns (@$prev_ns) {
$self->SUPER::end_prefix_mapping( { %$ns } );
}
$self->{_NSHelper}->pop_context;
}
#-------------------------------------------------------------------#
#-------------------------------------------------------------------#
# _handle_char
#-------------------------------------------------------------------#
sub _handle_char {
$_[0]->{__XSE}->_handle_start_document({}) unless $_[0]->{__XSE}->{_started};
$_[0]->{__XSE}->SUPER::characters({ Data => $_[1] });
}
#-------------------------------------------------------------------#
#-------------------------------------------------------------------#
# _handle_comment
#-------------------------------------------------------------------#
sub _handle_comment {
$_[0]->{__XSE}->_handle_start_document({}) unless $_[0]->{__XSE}->{_started};
$_[0]->{__XSE}->SUPER::comment({ Data => $_[1] });
}
#-------------------------------------------------------------------#
#-------------------------------------------------------------------#
# _handle_proc
#-------------------------------------------------------------------#
sub _handle_proc {
$_[0]->{__XSE}->_handle_start_document({}) unless $_[0]->{__XSE}->{_started};
$_[0]->{__XSE}->SUPER::processing_instruction({ Target => $_[1], Data => $_[2] });
}
#-------------------------------------------------------------------#
#-------------------------------------------------------------------#
# _handle_start_cdata
#-------------------------------------------------------------------#
sub _handle_start_cdata {
$_[0]->{__XSE}->SUPER::start_cdata( {} );
}
#-------------------------------------------------------------------#
#-------------------------------------------------------------------#
# _handle_end_cdata
#-------------------------------------------------------------------#
sub _handle_end_cdata {
$_[0]->{__XSE}->SUPER::end_cdata( {} );
}
#-------------------------------------------------------------------#
#-------------------------------------------------------------------#
# _handle_xml_decl
#-------------------------------------------------------------------#
sub _handle_xml_decl {
my $self = shift()->{__XSE};
my $version = shift;
my $encoding = shift;
my $standalone = shift;
if (not defined $standalone) { $standalone = ''; }
elsif ($standalone) { $standalone = 'yes'; }
else { $standalone = 'no'; }
my $xd = {
Version => $version,
Encoding => $encoding,
Standalone => $standalone,
};
#$self->SUPER::xml_decl($xd);
$self->_handle_start_document($xd);
}
#-------------------------------------------------------------------#
#-------------------------------------------------------------------#
# _handle_notation_decl
#-------------------------------------------------------------------#
sub _handle_notation_decl {
my $self = shift()->{__XSE};
my $notation = shift;
shift;
my $system = shift;
my $public = shift;
my $not = {
Name => $notation,
PublicId => $public,
SystemId => $system,
};
$self->SUPER::notation_decl($not);
}
#-------------------------------------------------------------------#
#-------------------------------------------------------------------#
# _handle_unparsed_entity
#-------------------------------------------------------------------#
sub _handle_unparsed_entity {
my $self = shift()->{__XSE};
my $name = shift;
my $system = shift;
my $public = shift;
my $notation = shift;
my $ue = {
Name => $name,
PublicId => $public,
SystemId => $system,
Notation => $notation,
};
$self->SUPER::unparsed_entity_decl($ue);
}
#-------------------------------------------------------------------#
#-------------------------------------------------------------------#
# _handle_element_decl
#-------------------------------------------------------------------#
sub _handle_element_decl {
$_[0]->{__XSE}->SUPER::element_decl({ Name => $_[1], Model => "$_[2]" });
}
#-------------------------------------------------------------------#
#-------------------------------------------------------------------#
# _handle_attr_decl
#-------------------------------------------------------------------#
sub _handle_attr_decl {
my $self = shift()->{__XSE};
my $ename = shift;
my $aname = shift;
my $type = shift;
my $default = shift;
my $fixed = shift;
my ($vd, $value);
if ($fixed) {
$vd = '#FIXED';
$default =~ s/^(?:"|')//; #"
$default =~ s/(?:"|')$//; #"
$value = $default;
}
else {
if ($default =~ m/^#/) {
$vd = $default;
$value = '';
}
else {
$vd = ''; # maybe there's a default ?
$default =~ s/^(?:"|')//; #"
$default =~ s/(?:"|')$//; #"
$value = $default;
}
}
my $at = {
eName => $ename,
aName => $aname,
Type => $type,
ValueDefault => $vd,
Value => $value,
};
$self->SUPER::attribute_decl($at);
}
#-------------------------------------------------------------------#
#-------------------------------------------------------------------#
# _handle_entity_decl
#-------------------------------------------------------------------#
sub _handle_entity_decl {
my $self = shift()->{__XSE};
my $name = shift;
my $val = shift;
my $sys = shift;
my $pub = shift;
my $ndata = shift;
my $isprm = shift;
# deal with param ents
if ($isprm) {
$name = '%' . $name;
}
# int vs ext
if ($val) {
my $ent = {
Name => $name,
Value => $val,
};
$self->SUPER::internal_entity_decl($ent);
}
else {
my $ent = {
Name => $name,
PublicId => $pub || '',
SystemId => $sys,
};
$self->SUPER::external_entity_decl($ent);
}
}
#-------------------------------------------------------------------#
#-------------------------------------------------------------------#
# _handle_start_doctype
#-------------------------------------------------------------------#
sub _handle_start_doctype {
my $self = shift()->{__XSE};
my $name = shift;
my $sys = shift;
my $pub = shift;
$self->_handle_start_document({}) unless $self->{_started};
my $dtd = {
Name => $name,
SystemId => $sys,
PublicId => $pub,
};
$self->SUPER::start_dtd($dtd);
}
#-------------------------------------------------------------------#
#-------------------------------------------------------------------#
# _handle_end_doctype
#-------------------------------------------------------------------#
sub _handle_end_doctype {
$_[0]->{__XSE}->SUPER::end_dtd( {} );
}
#-------------------------------------------------------------------#
#-------------------------------------------------------------------#
# _handle_start_document
#-------------------------------------------------------------------#
sub _handle_start_document {
$_[0]->SUPER::start_document($_[1]);
$_[0]->{_started} = 1;
}
#-------------------------------------------------------------------#
#-------------------------------------------------------------------#
# supported_features
#-------------------------------------------------------------------#
sub supported_features {
return (
$_[0]->SUPER::supported_features,
'http://xml.org/sax/features/external-general-entities',
'http://xml.org/sax/features/external-parameter-entities',
);
}
#-------------------------------------------------------------------#
#,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,#
#`,`, Private Helpers `,`,`,`,`,`,`,`,`,`,`,`,`,`,`,`,`,`,`,`,`,`,`,#
#```````````````````````````````````````````````````````````````````#
#-------------------------------------------------------------------#
# _create_node
#-------------------------------------------------------------------#
#sub _create_node {
# shift;
# # this may check for a factory later
# return {@_};
#}
#-------------------------------------------------------------------#
1;
#,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,#
#`,`, Documentation `,`,`,`,`,`,`,`,`,`,`,`,`,`,`,`,`,`,`,`,`,`,`,`,#
#```````````````````````````````````````````````````````````````````#
=pod
=head1 NAME
XML::SAX::Expat - SAX2 Driver for Expat (XML::Parser)
=head1 SYNOPSIS
use XML::SAX::Expat;
use XML::SAX::MyFooHandler;
my $h = XML::SAX::MyFooHandler->new;
my $p = XML::SAX::Expat->new(Handler => $h);
$p->parse_file('/path/to/foo.xml');
=head1 DESCRIPTION
This is an implementation of a SAX2 driver sitting on top of Expat
(XML::Parser) which Ken MacLeod posted to perl-xml and which I have
updated.
It is still incomplete, though most of the basic SAX2 events should be
available. The SAX2 spec is currently available from L<http://perl-xml.sourceforge.net/perl-sax/>.
A more friendly URL as well as a PODification of the spec are in the
works.
=head1 METHODS
The methods defined in this class correspond to those listed in the
PerlSAX2 specification, available above.
=head1 FEATURES AND CAVEATS
=over 2
=item supported_features
Returns:
* http://xml.org/sax/features/external-general-entities
* http://xml.org/sax/features/external-parameter-entities
* [ Features supported by ancestors ]
Turning one of the first two on also turns the other on (this maps
to the XML::Parser ParseParamEnts option). This may be fixed in the
future, so don't rely on this behaviour.
=back
=head1 MISSING PARTS
XML::Parser has no listed callbacks for the following events, which
are therefore not presently generated (ways may be found in the
future):
* ignorable_whitespace
* skipped_entity
* start_entity / end_entity
* resolve_entity
Ways of signalling them are welcome. In addition to those,
set_document_locator is not yet called.
=head1 TODO
- reuse Ken's tests and add more
=head1 AUTHOR
Robin Berjon; stolen from Ken Macleod, ken@bitsko.slc.ut.us, and with
suggestions and feedback from perl-xml. Currently maintained by Bjoern
Hoehrmann, L<http://bjoern.hoehrmann.de/>.
=head1 COPYRIGHT AND LICENSE
Copyright (c) 2001-2008 Robin Berjon. All rights reserved. This program is
free software; you can redistribute it and/or modify it under the same
terms as Perl itself.
=head1 SEE ALSO
XML::Parser::PerlSAX
=cut
PK �fl\�x��| | $ perl5/5.32/XML/SAX/ParserDetails.ininu �[��� [XML::SAX::PurePerl]
http://xml.org/sax/features/namespaces = 1
[XML::SAX::Expat]
http://xml.org/sax/features/namespaces = 1
http://xml.org/sax/features/external-parameter-entities = 1
http://xml.org/sax/features/external-general-entities = 1
[XML::LibXML::SAX::Parser]
http://xml.org/sax/features/namespaces = 1
[XML::LibXML::SAX]
http://xml.org/sax/features/namespaces = 1
PK �fl\h=�
� � # perl5/5.32/XML/SAX/ParserFactory.pmnu ��6�$ # $Id$
package XML::SAX::ParserFactory;
use strict;
use vars qw($VERSION);
$VERSION = '1.02';
use Symbol qw(gensym);
use XML::SAX;
use XML::SAX::Exception;
sub new {
my $class = shift;
my %params = @_; # TODO : Fix this in spec.
my $self = bless \%params, $class;
$self->{KnownParsers} = XML::SAX->parsers();
return $self;
}
sub parser {
my $self = shift;
my @parser_params = @_;
if (!ref($self)) {
$self = $self->new();
}
my $parser_class = $self->_parser_class();
my $version = '';
if ($parser_class =~ s/\s*\(([\d\.]+)\)\s*$//) {
$version = " $1";
}
if (!$parser_class->can('new')) {
eval "require $parser_class $version;";
die $@ if $@;
}
return $parser_class->new(@parser_params);
}
sub require_feature {
my $self = shift;
my ($feature) = @_;
$self->{RequiredFeatures}{$feature}++;
return $self;
}
sub _parser_class {
my $self = shift;
# First try ParserPackage
if ($XML::SAX::ParserPackage) {
return $XML::SAX::ParserPackage;
}
# Now check if required/preferred is there
if ($self->{RequiredFeatures}) {
my %required = %{$self->{RequiredFeatures}};
# note - we never go onto the next try (ParserDetails.ini),
# because if we can't provide the requested feature
# we need to throw an exception.
PARSER:
foreach my $parser (reverse @{$self->{KnownParsers}}) {
foreach my $feature (keys %required) {
if (!exists $parser->{Features}{$feature}) {
next PARSER;
}
}
# got here - all features must exist!
return $parser->{Name};
}
# TODO : should this be NotSupported() ?
throw XML::SAX::Exception (
Message => "Unable to provide required features",
);
}
# Next try SAX.ini
for my $dir (@INC) {
my $fh = gensym();
if (open($fh, "$dir/SAX.ini")) {
my $param_list = XML::SAX->_parse_ini_file($fh);
my $params = $param_list->[0]->{Features};
if ($params->{ParserPackage}) {
return $params->{ParserPackage};
}
else {
# we have required features (or nothing?)
PARSER:
foreach my $parser (reverse @{$self->{KnownParsers}}) {
foreach my $feature (keys %$params) {
if (!exists $parser->{Features}{$feature}) {
next PARSER;
}
}
return $parser->{Name};
}
XML::SAX->do_warn("Unable to provide SAX.ini required features. Using fallback\n");
}
last; # stop after first INI found
}
}
if (@{$self->{KnownParsers}}) {
return $self->{KnownParsers}[-1]{Name};
}
else {
return "XML::SAX::PurePerl"; # backup plan!
}
}
1;
__END__
=head1 NAME
XML::SAX::ParserFactory - Obtain a SAX parser
=head1 SYNOPSIS
use XML::SAX::ParserFactory;
use XML::SAX::XYZHandler;
my $handler = XML::SAX::XYZHandler->new();
my $p = XML::SAX::ParserFactory->parser(Handler => $handler);
$p->parse_uri("foo.xml");
# or $p->parse_string("<foo/>") or $p->parse_file($fh);
=head1 DESCRIPTION
XML::SAX::ParserFactory is a factory class for providing an application
with a Perl SAX2 XML parser. It is akin to DBI - a front end for other
parser classes. Each new SAX2 parser installed will register itself
with XML::SAX, and then it will become available to all applications
that use XML::SAX::ParserFactory to obtain a SAX parser.
Unlike DBI however, XML/SAX parsers almost all work alike (especially
if they subclass XML::SAX::Base, as they should), so rather than
specifying the parser you want in the call to C<parser()>, XML::SAX
has several ways to automatically choose which parser to use:
=over 4
=item * $XML::SAX::ParserPackage
If this package variable is set, then this package is C<require()>d
and an instance of this package is returned by calling the C<new()>
class method in that package. If it cannot be loaded or there is
an error, an exception will be thrown. The variable can also contain
a version number:
$XML::SAX::ParserPackage = "XML::SAX::Expat (0.72)";
And the number will be treated as a minimum version number.
=item * Required features
It is possible to require features from the parsers. For example, you
may wish for a parser that supports validation via a DTD. To do that,
use the following code:
use XML::SAX::ParserFactory;
my $factory = XML::SAX::ParserFactory->new();
$factory->require_feature('http://xml.org/sax/features/validation');
my $parser = $factory->parser(...);
Alternatively, specify the required features in the call to the
ParserFactory constructor:
my $factory = XML::SAX::ParserFactory->new(
RequiredFeatures => {
'http://xml.org/sax/features/validation' => 1,
}
);
If the features you have asked for are unavailable (for example the
user might not have a validating parser installed), then an
exception will be thrown.
The list of known parsers is searched in reverse order, so it will
always return the last installed parser that supports all of your
requested features (Note: this is subject to change if someone
comes up with a better way of making this work).
=item * SAX.ini
ParserFactory will search @INC for a file called SAX.ini, which
is in a simple format:
# a comment looks like this,
; or like this, and are stripped anywhere in the file
key = value # SAX.in contains key/value pairs.
All whitespace is non-significant.
This file can contain either a line:
ParserPackage = MyParserModule (1.02)
Where MyParserModule is the module to load and use for the parser,
and the number in brackets is a minimum version to load.
Or you can list required features:
http://xml.org/sax/features/validation = 1
And each feature with a true value will be required.
=item * Fallback
If none of the above works, the last parser installed on the user's
system will be used. The XML::SAX package ships with a pure perl
XML parser, XML::SAX::PurePerl, so that there will always be a
fallback parser.
=back
=head1 AUTHOR
Matt Sergeant, matt@sergeant.org
=head1 LICENSE
This is free software, you may use it and distribute it under the same
terms as Perl itself.
=cut
PK �fl\�.��D
D
- perl5/5.32/XML/SAX/PurePerl/EncodingDetect.pmnu ��6�$ # $Id$
package XML::SAX::PurePerl; # NB, not ::EncodingDetect!
use strict;
sub encoding_detect {
my ($parser, $reader) = @_;
my $error = "Invalid byte sequence at start of file";
my $data = $reader->data;
if ($data =~ /^\x00\x00\xFE\xFF/) {
# BO-UCS4-be
$reader->move_along(4);
$reader->set_encoding('UCS-4BE');
return;
}
elsif ($data =~ /^\x00\x00\xFF\xFE/) {
# BO-UCS-4-2143
$reader->move_along(4);
$reader->set_encoding('UCS-4-2143');
return;
}
elsif ($data =~ /^\x00\x00\x00\x3C/) {
$reader->set_encoding('UCS-4BE');
return;
}
elsif ($data =~ /^\x00\x00\x3C\x00/) {
$reader->set_encoding('UCS-4-2143');
return;
}
elsif ($data =~ /^\x00\x3C\x00\x00/) {
$reader->set_encoding('UCS-4-3412');
return;
}
elsif ($data =~ /^\x00\x3C\x00\x3F/) {
$reader->set_encoding('UTF-16BE');
return;
}
elsif ($data =~ /^\xFF\xFE\x00\x00/) {
# BO-UCS-4LE
$reader->move_along(4);
$reader->set_encoding('UCS-4LE');
return;
}
elsif ($data =~ /^\xFF\xFE/) {
$reader->move_along(2);
$reader->set_encoding('UTF-16LE');
return;
}
elsif ($data =~ /^\xFE\xFF\x00\x00/) {
$reader->move_along(4);
$reader->set_encoding('UCS-4-3412');
return;
}
elsif ($data =~ /^\xFE\xFF/) {
$reader->move_along(2);
$reader->set_encoding('UTF-16BE');
return;
}
elsif ($data =~ /^\xEF\xBB\xBF/) { # UTF-8 BOM
$reader->move_along(3);
$reader->set_encoding('UTF-8');
return;
}
elsif ($data =~ /^\x3C\x00\x00\x00/) {
$reader->set_encoding('UCS-4LE');
return;
}
elsif ($data =~ /^\x3C\x00\x3F\x00/) {
$reader->set_encoding('UTF-16LE');
return;
}
elsif ($data =~ /^\x3C\x3F\x78\x6D/) {
# $reader->set_encoding('UTF-8');
return;
}
elsif ($data =~ /^\x3C\x3F\x78/) {
# $reader->set_encoding('UTF-8');
return;
}
elsif ($data =~ /^\x3C\x3F/) {
# $reader->set_encoding('UTF-8');
return;
}
elsif ($data =~ /^\x3C/) {
# $reader->set_encoding('UTF-8');
return;
}
elsif ($data =~ /^[\x20\x09\x0A\x0D]+\x3C[^\x3F]/) {
# $reader->set_encoding('UTF-8');
return;
}
elsif ($data =~ /^\x4C\x6F\xA7\x94/) {
$reader->set_encoding('EBCDIC');
return;
}
warn("Unable to recognise encoding of this document");
return;
}
1;
PK �fl\� ��� � % perl5/5.32/XML/SAX/PurePerl/Reader.pmnu ��6�$ # $Id$
package XML::SAX::PurePerl::Reader;
use strict;
use XML::SAX::PurePerl::Reader::URI;
use Exporter ();
use vars qw(@ISA @EXPORT_OK);
@ISA = qw(Exporter);
@EXPORT_OK = qw(
EOF
BUFFER
LINE
COLUMN
ENCODING
XML_VERSION
);
use constant EOF => 0;
use constant BUFFER => 1;
use constant LINE => 2;
use constant COLUMN => 3;
use constant ENCODING => 4;
use constant SYSTEM_ID => 5;
use constant PUBLIC_ID => 6;
use constant XML_VERSION => 7;
require XML::SAX::PurePerl::Reader::Stream;
require XML::SAX::PurePerl::Reader::String;
if ($] >= 5.007002) {
require XML::SAX::PurePerl::Reader::UnicodeExt;
}
else {
require XML::SAX::PurePerl::Reader::NoUnicodeExt;
}
sub new {
my $class = shift;
my $thing = shift;
# try to figure if this $thing is a handle of some sort
if (ref($thing) && UNIVERSAL::isa($thing, 'IO::Handle')) {
return XML::SAX::PurePerl::Reader::Stream->new($thing)->init;
}
my $ioref;
if (tied($thing)) {
my $class = ref($thing);
no strict 'refs';
$ioref = $thing if defined &{"${class}::TIEHANDLE"};
}
else {
eval {
$ioref = *{$thing}{IO};
};
undef $@;
}
if ($ioref) {
return XML::SAX::PurePerl::Reader::Stream->new($thing)->init;
}
if ($thing =~ /</) {
# assume it's a string
return XML::SAX::PurePerl::Reader::String->new($thing)->init;
}
# assume it is a uri
return XML::SAX::PurePerl::Reader::URI->new($thing)->init;
}
sub init {
my $self = shift;
$self->[LINE] = 1;
$self->[COLUMN] = 1;
$self->read_more;
return $self;
}
sub data {
my ($self, $min_length) = (@_, 1);
if (length($self->[BUFFER]) < $min_length) {
$self->read_more;
}
return $self->[BUFFER];
}
sub match {
my ($self, $char) = @_;
my $data = $self->data;
if (substr($data, 0, 1) eq $char) {
$self->move_along(1);
return 1;
}
return 0;
}
sub public_id {
my $self = shift;
@_ and $self->[PUBLIC_ID] = shift;
$self->[PUBLIC_ID];
}
sub system_id {
my $self = shift;
@_ and $self->[SYSTEM_ID] = shift;
$self->[SYSTEM_ID];
}
sub line {
shift->[LINE];
}
sub column {
shift->[COLUMN];
}
sub get_encoding {
my $self = shift;
return $self->[ENCODING];
}
sub get_xml_version {
my $self = shift;
return $self->[XML_VERSION];
}
1;
__END__
=head1 NAME
XML::Parser::PurePerl::Reader - Abstract Reader factory class
=cut
PK �fl\���k� � * perl5/5.32/XML/SAX/PurePerl/Productions.pmnu ��6�$ # $Id$
package XML::SAX::PurePerl::Productions;
use Exporter;
@ISA = ('Exporter');
@EXPORT_OK = qw($S $Char $VersionNum $BaseChar $Ideographic
$Extender $Digit $CombiningChar $EncNameStart $EncNameEnd $NameChar $CharMinusDash
$PubidChar $Any $SingleChar);
### WARNING!!! All productions here must *only* match a *single* character!!! ###
BEGIN {
$S = qr/[\x20\x09\x0D\x0A]/;
$CharMinusDash = qr/[^-]/x;
$Any = qr/ . /xms;
$VersionNum = qr/ [a-zA-Z0-9_.:-]+ /x;
$EncNameStart = qr/ [A-Za-z] /x;
$EncNameEnd = qr/ [A-Za-z0-9\._-] /x;
$PubidChar = qr/ [\x20\x0D\x0Aa-zA-Z0-9'()\+,.\/:=\?;!*\#@\$_\%-] /x;
if ($] < 5.006) {
eval <<' PERL';
$Char = qr/^ [\x09\x0A\x0D\x20-\x7F]|([\xC0-\xFD][\x80-\xBF]+) $/x;
$SingleChar = qr/^$Char$/;
$BaseChar = qr/ [\x41-\x5A\x61-\x7A]|([\xC0-\xFD][\x80-\xBF]+) /x;
$Extender = qr/ \xB7 /x;
$Digit = qr/ [\x30-\x39] /x;
# can't do this one without unicode
# $CombiningChar = qr/^$/msx;
$NameChar = qr/^ (?: $BaseChar | $Digit | [._:-] | $Extender )+ $/x;
PERL
die $@ if $@;
}
else {
eval <<' PERL';
use utf8; # for 5.6
$Char = qr/^ [\x09\x0A\x0D\x{0020}-\x{D7FF}\x{E000}-\x{FFFD}\x{10000}-\x{10FFFF}] $/x;
$SingleChar = qr/^$Char$/;
$BaseChar = qr/
[\x{0041}-\x{005A}\x{0061}-\x{007A}\x{00C0}-\x{00D6}\x{00D8}-\x{00F6}] |
[\x{00F8}-\x{00FF}\x{0100}-\x{0131}\x{0134}-\x{013E}\x{0141}-\x{0148}] |
[\x{014A}-\x{017E}\x{0180}-\x{01C3}\x{01CD}-\x{01F0}\x{01F4}-\x{01F5}] |
[\x{01FA}-\x{0217}\x{0250}-\x{02A8}\x{02BB}-\x{02C1}\x{0386}\x{0388}-\x{038A}] |
[\x{038C}\x{038E}-\x{03A1}\x{03A3}-\x{03CE}\x{03D0}-\x{03D6}\x{03DA}] |
[\x{03DC}\x{03DE}\x{03E0}\x{03E2}-\x{03F3}\x{0401}-\x{040C}\x{040E}-\x{044F}] |
[\x{0451}-\x{045C}\x{045E}-\x{0481}\x{0490}-\x{04C4}\x{04C7}-\x{04C8}] |
[\x{04CB}-\x{04CC}\x{04D0}-\x{04EB}\x{04EE}-\x{04F5}\x{04F8}-\x{04F9}] |
[\x{0531}-\x{0556}\x{0559}\x{0561}-\x{0586}\x{05D0}-\x{05EA}\x{05F0}-\x{05F2}] |
[\x{0621}-\x{063A}\x{0641}-\x{064A}\x{0671}-\x{06B7}\x{06BA}-\x{06BE}] |
[\x{06C0}-\x{06CE}\x{06D0}-\x{06D3}\x{06D5}\x{06E5}-\x{06E6}\x{0905}-\x{0939}] |
[\x{093D}\x{0958}-\x{0961}\x{0985}-\x{098C}\x{098F}-\x{0990}] |
[\x{0993}-\x{09A8}\x{09AA}-\x{09B0}\x{09B2}\x{09B6}-\x{09B9}\x{09DC}-\x{09DD}] |
[\x{09DF}-\x{09E1}\x{09F0}-\x{09F1}\x{0A05}-\x{0A0A}\x{0A0F}-\x{0A10}] |
[\x{0A13}-\x{0A28}\x{0A2A}-\x{0A30}\x{0A32}-\x{0A33}\x{0A35}-\x{0A36}] |
[\x{0A38}-\x{0A39}\x{0A59}-\x{0A5C}\x{0A5E}\x{0A72}-\x{0A74}\x{0A85}-\x{0A8B}] |
[\x{0A8D}\x{0A8F}-\x{0A91}\x{0A93}-\x{0AA8}\x{0AAA}-\x{0AB0}] |
[\x{0AB2}-\x{0AB3}\x{0AB5}-\x{0AB9}\x{0ABD}\x{0AE0}\x{0B05}-\x{0B0C}] |
[\x{0B0F}-\x{0B10}\x{0B13}-\x{0B28}\x{0B2A}-\x{0B30}\x{0B32}-\x{0B33}] |
[\x{0B36}-\x{0B39}\x{0B3D}\x{0B5C}-\x{0B5D}\x{0B5F}-\x{0B61}\x{0B85}-\x{0B8A}] |
[\x{0B8E}-\x{0B90}\x{0B92}-\x{0B95}\x{0B99}-\x{0B9A}\x{0B9C}] |
[\x{0B9E}-\x{0B9F}\x{0BA3}-\x{0BA4}\x{0BA8}-\x{0BAA}\x{0BAE}-\x{0BB5}] |
[\x{0BB7}-\x{0BB9}\x{0C05}-\x{0C0C}\x{0C0E}-\x{0C10}\x{0C12}-\x{0C28}] |
[\x{0C2A}-\x{0C33}\x{0C35}-\x{0C39}\x{0C60}-\x{0C61}\x{0C85}-\x{0C8C}] |
[\x{0C8E}-\x{0C90}\x{0C92}-\x{0CA8}\x{0CAA}-\x{0CB3}\x{0CB5}-\x{0CB9}\x{0CDE}] |
[\x{0CE0}-\x{0CE1}\x{0D05}-\x{0D0C}\x{0D0E}-\x{0D10}\x{0D12}-\x{0D28}] |
[\x{0D2A}-\x{0D39}\x{0D60}-\x{0D61}\x{0E01}-\x{0E2E}\x{0E30}\x{0E32}-\x{0E33}] |
[\x{0E40}-\x{0E45}\x{0E81}-\x{0E82}\x{0E84}\x{0E87}-\x{0E88}\x{0E8A}] |
[\x{0E8D}\x{0E94}-\x{0E97}\x{0E99}-\x{0E9F}\x{0EA1}-\x{0EA3}\x{0EA5}\x{0EA7}] |
[\x{0EAA}-\x{0EAB}\x{0EAD}-\x{0EAE}\x{0EB0}\x{0EB2}-\x{0EB3}\x{0EBD}] |
[\x{0EC0}-\x{0EC4}\x{0F40}-\x{0F47}\x{0F49}-\x{0F69}\x{10A0}-\x{10C5}] |
[\x{10D0}-\x{10F6}\x{1100}\x{1102}-\x{1103}\x{1105}-\x{1107}\x{1109}] |
[\x{110B}-\x{110C}\x{110E}-\x{1112}\x{113C}\x{113E}\x{1140}\x{114C}\x{114E}] |
[\x{1150}\x{1154}-\x{1155}\x{1159}\x{115F}-\x{1161}\x{1163}\x{1165}] |
[\x{1167}\x{1169}\x{116D}-\x{116E}\x{1172}-\x{1173}\x{1175}\x{119E}\x{11A8}] |
[\x{11AB}\x{11AE}-\x{11AF}\x{11B7}-\x{11B8}\x{11BA}\x{11BC}-\x{11C2}] |
[\x{11EB}\x{11F0}\x{11F9}\x{1E00}-\x{1E9B}\x{1EA0}-\x{1EF9}\x{1F00}-\x{1F15}] |
[\x{1F18}-\x{1F1D}\x{1F20}-\x{1F45}\x{1F48}-\x{1F4D}\x{1F50}-\x{1F57}] |
[\x{1F59}\x{1F5B}\x{1F5D}\x{1F5F}-\x{1F7D}\x{1F80}-\x{1FB4}\x{1FB6}-\x{1FBC}] |
[\x{1FBE}\x{1FC2}-\x{1FC4}\x{1FC6}-\x{1FCC}\x{1FD0}-\x{1FD3}] |
[\x{1FD6}-\x{1FDB}\x{1FE0}-\x{1FEC}\x{1FF2}-\x{1FF4}\x{1FF6}-\x{1FFC}] |
[\x{2126}\x{212A}-\x{212B}\x{212E}\x{2180}-\x{2182}\x{3041}-\x{3094}] |
[\x{30A1}-\x{30FA}\x{3105}-\x{312C}\x{AC00}-\x{D7A3}]
/x;
$Extender = qr/
[\x{00B7}\x{02D0}\x{02D1}\x{0387}\x{0640}\x{0E46}\x{0EC6}\x{3005}\x{3031}-\x{3035}\x{309D}-\x{309E}\x{30FC}-\x{30FE}]
/x;
$Digit = qr/
[\x{0030}-\x{0039}\x{0660}-\x{0669}\x{06F0}-\x{06F9}\x{0966}-\x{096F}] |
[\x{09E6}-\x{09EF}\x{0A66}-\x{0A6F}\x{0AE6}-\x{0AEF}\x{0B66}-\x{0B6F}] |
[\x{0BE7}-\x{0BEF}\x{0C66}-\x{0C6F}\x{0CE6}-\x{0CEF}\x{0D66}-\x{0D6F}] |
[\x{0E50}-\x{0E59}\x{0ED0}-\x{0ED9}\x{0F20}-\x{0F29}]
/x;
$CombiningChar = qr/
[\x{0300}-\x{0345}\x{0360}-\x{0361}\x{0483}-\x{0486}\x{0591}-\x{05A1}] |
[\x{05A3}-\x{05B9}\x{05BB}-\x{05BD}\x{05BF}\x{05C1}-\x{05C2}\x{05C4}] |
[\x{064B}-\x{0652}\x{0670}\x{06D6}-\x{06DC}\x{06DD}-\x{06DF}\x{06E0}-\x{06E4}] |
[\x{06E7}-\x{06E8}\x{06EA}-\x{06ED}\x{0901}-\x{0903}\x{093C}] |
[\x{093E}-\x{094C}\x{094D}\x{0951}-\x{0954}\x{0962}-\x{0963}\x{0981}-\x{0983}] |
[\x{09BC}\x{09BE}\x{09BF}\x{09C0}-\x{09C4}\x{09C7}-\x{09C8}] |
[\x{09CB}-\x{09CD}\x{09D7}\x{09E2}-\x{09E3}\x{0A02}\x{0A3C}\x{0A3E}\x{0A3F}] |
[\x{0A40}-\x{0A42}\x{0A47}-\x{0A48}\x{0A4B}-\x{0A4D}\x{0A70}-\x{0A71}] |
[\x{0A81}-\x{0A83}\x{0ABC}\x{0ABE}-\x{0AC5}\x{0AC7}-\x{0AC9}\x{0ACB}-\x{0ACD}] |
[\x{0B01}-\x{0B03}\x{0B3C}\x{0B3E}-\x{0B43}\x{0B47}-\x{0B48}] |
[\x{0B4B}-\x{0B4D}\x{0B56}-\x{0B57}\x{0B82}-\x{0B83}\x{0BBE}-\x{0BC2}] |
[\x{0BC6}-\x{0BC8}\x{0BCA}-\x{0BCD}\x{0BD7}\x{0C01}-\x{0C03}\x{0C3E}-\x{0C44}] |
[\x{0C46}-\x{0C48}\x{0C4A}-\x{0C4D}\x{0C55}-\x{0C56}\x{0C82}-\x{0C83}] |
[\x{0CBE}-\x{0CC4}\x{0CC6}-\x{0CC8}\x{0CCA}-\x{0CCD}\x{0CD5}-\x{0CD6}] |
[\x{0D02}-\x{0D03}\x{0D3E}-\x{0D43}\x{0D46}-\x{0D48}\x{0D4A}-\x{0D4D}\x{0D57}] |
[\x{0E31}\x{0E34}-\x{0E3A}\x{0E47}-\x{0E4E}\x{0EB1}\x{0EB4}-\x{0EB9}] |
[\x{0EBB}-\x{0EBC}\x{0EC8}-\x{0ECD}\x{0F18}-\x{0F19}\x{0F35}\x{0F37}\x{0F39}] |
[\x{0F3E}\x{0F3F}\x{0F71}-\x{0F84}\x{0F86}-\x{0F8B}\x{0F90}-\x{0F95}] |
[\x{0F97}\x{0F99}-\x{0FAD}\x{0FB1}-\x{0FB7}\x{0FB9}\x{20D0}-\x{20DC}\x{20E1}] |
[\x{302A}-\x{302F}\x{3099}\x{309A}]
/x;
$Ideographic = qr/
[\x{4E00}-\x{9FA5}\x{3007}\x{3021}-\x{3029}]
/x;
$NameChar = qr/^ (?: $BaseChar | $Ideographic | $Digit | [._:-] | $CombiningChar | $Extender )+ $/x;
PERL
die $@ if $@;
}
}
1;
PK �fl\`�$�� � ) perl5/5.32/XML/SAX/PurePerl/Reader/URI.pmnu ��6�$ # $Id$
package XML::SAX::PurePerl::Reader::URI;
use strict;
use XML::SAX::PurePerl::Reader;
use File::Temp qw(tempfile);
use Symbol;
## NOTE: This is *not* a subclass of Reader. It just returns Stream or String
## Reader objects depending on what it's capabilities are.
sub new {
my $class = shift;
my $uri = shift;
# request the URI
if (-e $uri && -f _) {
my $fh = gensym;
open($fh, $uri) || die "Cannot open file $uri : $!";
return XML::SAX::PurePerl::Reader::Stream->new($fh);
}
elsif ($uri =~ /^file:(.*)$/ && -e $1 && -f _) {
my $file = $1;
my $fh = gensym;
open($fh, $file) || die "Cannot open file $file : $!";
return XML::SAX::PurePerl::Reader::Stream->new($fh);
}
else {
# request URI, return String reader
require LWP::UserAgent;
my $ua = LWP::UserAgent->new;
$ua->agent("Perl/XML/SAX/PurePerl/1.0 " . $ua->agent);
my $req = HTTP::Request->new(GET => $uri);
my $fh = tempfile();
my $callback = sub {
my ($data, $response, $protocol) = @_;
print $fh $data;
};
my $res = $ua->request($req, $callback, 4096);
if ($res->is_success) {
seek($fh, 0, 0);
return XML::SAX::PurePerl::Reader::Stream->new($fh);
}
else {
die "LWP Request Failed";
}
}
}
1;
PK �fl\Lk��F F 0 perl5/5.32/XML/SAX/PurePerl/Reader/UnicodeExt.pmnu ��6�$ # $Id$
package XML::SAX::PurePerl::Reader;
use strict;
use Encode ();
sub set_raw_stream {
my ($fh) = @_;
binmode($fh, ":bytes");
}
sub switch_encoding_stream {
my ($fh, $encoding) = @_;
binmode($fh, ":encoding($encoding)");
}
sub switch_encoding_string {
$_[0] = Encode::decode($_[1], $_[0]);
}
1;
PK �fl\ '8� � , perl5/5.32/XML/SAX/PurePerl/Reader/String.pmnu ��6�$ # $Id$
package XML::SAX::PurePerl::Reader::String;
use strict;
use vars qw(@ISA);
use XML::SAX::PurePerl::Reader qw(
LINE
COLUMN
BUFFER
ENCODING
EOF
);
@ISA = ('XML::SAX::PurePerl::Reader');
use constant DISCARDED => 8;
use constant STRING => 9;
use constant USED => 10;
use constant CHUNK_SIZE => 2048;
sub new {
my $class = shift;
my $string = shift;
my @parts;
@parts[BUFFER, EOF, LINE, COLUMN, DISCARDED, STRING, USED] =
('', 0, 1, 0, 0, $string, 0);
return bless \@parts, $class;
}
sub read_more () {
my $self = shift;
if ($self->[USED] >= length($self->[STRING])) {
$self->[EOF]++;
return 0;
}
my $bytes = CHUNK_SIZE;
if ($bytes > (length($self->[STRING]) - $self->[USED])) {
$bytes = (length($self->[STRING]) - $self->[USED]);
}
$self->[BUFFER] .= substr($self->[STRING], $self->[USED], $bytes);
$self->[USED] += $bytes;
return 1;
}
sub move_along {
my($self, $bytes) = @_;
my $discarded = substr($self->[BUFFER], 0, $bytes, '');
$self->[DISCARDED] += length($discarded);
# Wish I could skip this lot - tells us where we are in the file
my $lines = $discarded =~ tr/\n//;
$self->[LINE] += $lines;
if ($lines) {
$discarded =~ /\n([^\n]*)$/;
$self->[COLUMN] = length($1);
}
else {
$self->[COLUMN] += $_[0];
}
}
sub set_encoding {
my $self = shift;
my ($encoding) = @_;
XML::SAX::PurePerl::Reader::switch_encoding_string($self->[BUFFER], $encoding, "utf-8");
$self->[ENCODING] = $encoding;
}
sub bytepos {
my $self = shift;
$self->[DISCARDED];
}
1;
PK �fl\��'� , perl5/5.32/XML/SAX/PurePerl/Reader/Stream.pmnu ��6�$ # $Id$
package XML::SAX::PurePerl::Reader::Stream;
use strict;
use vars qw(@ISA);
use XML::SAX::PurePerl::Reader qw(
EOF
BUFFER
LINE
COLUMN
ENCODING
XML_VERSION
);
use XML::SAX::Exception;
@ISA = ('XML::SAX::PurePerl::Reader');
# subclassed by adding 1 to last element
use constant FH => 8;
use constant BUFFER_SIZE => 4096;
sub new {
my $class = shift;
my $ioref = shift;
XML::SAX::PurePerl::Reader::set_raw_stream($ioref);
my @parts;
@parts[FH, LINE, COLUMN, BUFFER, EOF, XML_VERSION] =
($ioref, 1, 0, '', 0, '1.0');
return bless \@parts, $class;
}
sub read_more {
my $self = shift;
my $buf;
my $bytesread = read($self->[FH], $buf, BUFFER_SIZE);
if ($bytesread) {
$self->[BUFFER] .= $buf;
return 1;
}
elsif (defined($bytesread)) {
$self->[EOF]++;
return 0;
}
else {
throw XML::SAX::Exception::Parse(
Message => "Error reading from filehandle: $!",
);
}
}
sub move_along {
my $self = shift;
my $discarded = substr($self->[BUFFER], 0, $_[0], '');
# Wish I could skip this lot - tells us where we are in the file
my $lines = $discarded =~ tr/\n//;
$self->[LINE] += $lines;
if ($lines) {
$discarded =~ /\n([^\n]*)$/;
$self->[COLUMN] = length($1);
}
else {
$self->[COLUMN] += $_[0];
}
}
sub set_encoding {
my $self = shift;
my ($encoding) = @_;
# warn("set encoding to: $encoding\n");
XML::SAX::PurePerl::Reader::switch_encoding_stream($self->[FH], $encoding);
XML::SAX::PurePerl::Reader::switch_encoding_string($self->[BUFFER], $encoding);
$self->[ENCODING] = $encoding;
}
sub bytepos {
my $self = shift;
tell($self->[FH]);
}
1;
PK �fl\ G��K K 2 perl5/5.32/XML/SAX/PurePerl/Reader/NoUnicodeExt.pmnu ��6�$ # $Id$
package XML::SAX::PurePerl::Reader;
use strict;
sub set_raw_stream {
# no-op
}
sub switch_encoding_stream {
my ($fh, $encoding) = @_;
throw XML::SAX::Exception::Parse (
Message => "Only ASCII encoding allowed without perl 5.7.2 or higher. You tried: $encoding",
) if $encoding !~ /(ASCII|UTF\-?8)/i;
}
sub switch_encoding_string {
my (undef, $encoding) = @_;
throw XML::SAX::Exception::Parse (
Message => "Only ASCII encoding allowed without perl 5.7.2 or higher. You tried: $encoding",
) if $encoding !~ /(ASCII|UTF\-?8)/i;
}
1;
PK �fl\�z]Xq q ) perl5/5.32/XML/SAX/PurePerl/UnicodeExt.pmnu ��6�$ # $Id$
package XML::SAX::PurePerl;
use strict;
no warnings 'utf8';
sub chr_ref {
return chr(shift);
}
if ($] >= 5.007002) {
require Encode;
Encode::define_alias( "UTF-16" => "UCS-2" );
Encode::define_alias( "UTF-16BE" => "UCS-2" );
Encode::define_alias( "UTF-16LE" => "ucs-2le" );
Encode::define_alias( "UTF16LE" => "ucs-2le" );
}
1;
PK �fl\�5+�2 2 & perl5/5.32/XML/SAX/PurePerl/DocType.pmnu ��6�$ # $Id$
package XML::SAX::PurePerl;
use strict;
use XML::SAX::PurePerl::Productions qw($PubidChar);
sub doctypedecl {
my ($self, $reader) = @_;
my $data = $reader->data(9);
if ($data =~ /^<!DOCTYPE/) {
$reader->move_along(9);
$self->skip_whitespace($reader) ||
$self->parser_error("No whitespace after doctype declaration", $reader);
my $root_name = $self->Name($reader) ||
$self->parser_error("Doctype declaration has no root element name", $reader);
if ($self->skip_whitespace($reader)) {
# might be externalid...
my %dtd = $self->ExternalID($reader);
# TODO: Call SAX event
}
$self->skip_whitespace($reader);
$self->InternalSubset($reader);
$reader->match('>') or $self->parser_error("Doctype not closed", $reader);
return 1;
}
return 0;
}
sub ExternalID {
my ($self, $reader) = @_;
my $data = $reader->data(6);
if ($data =~ /^SYSTEM/) {
$reader->move_along(6);
$self->skip_whitespace($reader) ||
$self->parser_error("No whitespace after SYSTEM identifier", $reader);
return (SYSTEM => $self->SystemLiteral($reader));
}
elsif ($data =~ /^PUBLIC/) {
$reader->move_along(6);
$self->skip_whitespace($reader) ||
$self->parser_error("No whitespace after PUBLIC identifier", $reader);
my $quote = $self->quote($reader) ||
$self->parser_error("Not a quote character in PUBLIC identifier", $reader);
my $data = $reader->data;
my $pubid = '';
while(1) {
$self->parser_error("EOF while looking for end of PUBLIC identifiier", $reader)
unless length($data);
if ($data =~ /^([^$quote]*)$quote/) {
$pubid .= $1;
$reader->move_along(length($1) + 1);
last;
}
else {
$pubid .= $data;
$reader->move_along(length($data));
$data = $reader->data;
}
}
if ($pubid !~ /^($PubidChar)+$/) {
$self->parser_error("Invalid characters in PUBLIC identifier", $reader);
}
$self->skip_whitespace($reader) ||
$self->parser_error("Not whitespace after PUBLIC ID in DOCTYPE", $reader);
return (PUBLIC => $pubid,
SYSTEM => $self->SystemLiteral($reader));
}
else {
return;
}
return 1;
}
sub SystemLiteral {
my ($self, $reader) = @_;
my $quote = $self->quote($reader);
my $data = $reader->data;
my $systemid = '';
while (1) {
$self->parser_error("EOF found while looking for end of System Literal", $reader)
unless length($data);
if ($data =~ /^([^$quote]*)$quote/) {
$systemid .= $1;
$reader->move_along(length($1) + 1);
return $systemid;
}
else {
$systemid .= $data;
$reader->move_along(length($data));
$data = $reader->data;
}
}
}
sub InternalSubset {
my ($self, $reader) = @_;
return 0 unless $reader->match('[');
1 while $self->IntSubsetDecl($reader);
$reader->match(']') or $self->parser_error("No close bracket on internal subset (found: " . $reader->data, $reader);
$self->skip_whitespace($reader);
return 1;
}
sub IntSubsetDecl {
my ($self, $reader) = @_;
return $self->DeclSep($reader) || $self->markupdecl($reader);
}
sub DeclSep {
my ($self, $reader) = @_;
if ($self->skip_whitespace($reader)) {
return 1;
}
if ($self->PEReference($reader)) {
return 1;
}
# if ($self->ParsedExtSubset($reader)) {
# return 1;
# }
return 0;
}
sub PEReference {
my ($self, $reader) = @_;
return 0 unless $reader->match('%');
my $peref = $self->Name($reader) ||
$self->parser_error("PEReference did not find a Name", $reader);
# TODO - load/parse the peref
$reader->match(';') or $self->parser_error("Invalid token in PEReference", $reader);
return 1;
}
sub markupdecl {
my ($self, $reader) = @_;
if ($self->elementdecl($reader) ||
$self->AttlistDecl($reader) ||
$self->EntityDecl($reader) ||
$self->NotationDecl($reader) ||
$self->PI($reader) ||
$self->Comment($reader))
{
return 1;
}
return 0;
}
1;
PK �fl\�6:o`B `B ' perl5/5.32/XML/SAX/PurePerl/DTDDecls.pmnu ��6�$ # $Id$
package XML::SAX::PurePerl;
use strict;
use XML::SAX::PurePerl::Productions qw($SingleChar);
sub elementdecl {
my ($self, $reader) = @_;
my $data = $reader->data(9);
return 0 unless $data =~ /^<!ELEMENT/;
$reader->move_along(9);
$self->skip_whitespace($reader) ||
$self->parser_error("No whitespace after ELEMENT declaration", $reader);
my $name = $self->Name($reader);
$self->skip_whitespace($reader) ||
$self->parser_error("No whitespace after ELEMENT's name", $reader);
$self->contentspec($reader, $name);
$self->skip_whitespace($reader);
$reader->match('>') or $self->parser_error("Closing angle bracket not found on ELEMENT declaration", $reader);
return 1;
}
sub contentspec {
my ($self, $reader, $name) = @_;
my $data = $reader->data(5);
my $model;
if ($data =~ /^EMPTY/) {
$reader->move_along(5);
$model = 'EMPTY';
}
elsif ($data =~ /^ANY/) {
$reader->move_along(3);
$model = 'ANY';
}
else {
$model = $self->Mixed_or_children($reader);
}
if ($model) {
# call SAX callback now.
$self->element_decl({Name => $name, Model => $model});
return 1;
}
$self->parser_error("contentspec not found in ELEMENT declaration", $reader);
}
sub Mixed_or_children {
my ($self, $reader) = @_;
my $data = $reader->data(8);
$data =~ /^\(/ or return; # $self->parser_error("No opening bracket in Mixed or children", $reader);
if ($data =~ /^\(\s*\#PCDATA/) {
$reader->match('(');
$self->skip_whitespace($reader);
$reader->move_along(7);
my $model = $self->Mixed($reader);
return $model;
}
# not matched - must be Children
return $self->children($reader);
}
# Mixed ::= ( '(' S* PCDATA ( S* '|' S* QName )* S* ')' '*' )
# | ( '(' S* PCDATA S* ')' )
sub Mixed {
my ($self, $reader) = @_;
# Mixed_or_children already matched '(' S* '#PCDATA'
my $model = '(#PCDATA';
$self->skip_whitespace($reader);
my %seen;
while (1) {
last unless $reader->match('|');
$self->skip_whitespace($reader);
my $name = $self->Name($reader) ||
$self->parser_error("No 'Name' after Mixed content '|'", $reader);
if ($seen{$name}) {
$self->parser_error("Element '$name' has already appeared in this group", $reader);
}
$seen{$name}++;
$model .= "|$name";
$self->skip_whitespace($reader);
}
$reader->match(')') || $self->parser_error("no closing bracket on mixed content", $reader);
$model .= ")";
if ($reader->match('*')) {
$model .= "*";
}
return $model;
}
# [[47]] Children ::= ChoiceOrSeq Cardinality?
# [[48]] Cp ::= ( QName | ChoiceOrSeq ) Cardinality?
# ChoiceOrSeq ::= '(' S* Cp ( Choice | Seq )? S* ')'
# [[49]] Choice ::= ( S* '|' S* Cp )+
# [[50]] Seq ::= ( S* ',' S* Cp )+
# // Children ::= (Choice | Seq) Cardinality?
# // Cp ::= ( QName | Choice | Seq) Cardinality?
# // Choice ::= '(' S* Cp ( S* '|' S* Cp )+ S* ')'
# // Seq ::= '(' S* Cp ( S* ',' S* Cp )* S* ')'
# [[51]] Mixed ::= ( '(' S* PCDATA ( S* '|' S* QName )* S* ')' MixedCardinality )
# | ( '(' S* PCDATA S* ')' )
# Cardinality ::= '?' | '+' | '*'
# MixedCardinality ::= '*'
sub children {
my ($self, $reader) = @_;
return $self->ChoiceOrSeq($reader) . $self->Cardinality($reader);
}
sub ChoiceOrSeq {
my ($self, $reader) = @_;
$reader->match('(') or $self->parser_error("choice/seq contains no opening bracket", $reader);
my $model = '(';
$self->skip_whitespace($reader);
$model .= $self->Cp($reader);
if (my $choice = $self->Choice($reader)) {
$model .= $choice;
}
else {
$model .= $self->Seq($reader);
}
$self->skip_whitespace($reader);
$reader->match(')') or $self->parser_error("choice/seq contains no closing bracket", $reader);
$model .= ')';
return $model;
}
sub Cardinality {
my ($self, $reader) = @_;
# cardinality is always optional
my $data = $reader->data;
if ($data =~ /^([\?\+\*])/) {
$reader->move_along(1);
return $1;
}
return '';
}
sub Cp {
my ($self, $reader) = @_;
my $model;
my $name = eval
{
if (my $name = $self->Name($reader)) {
return $name . $self->Cardinality($reader);
}
};
return $name if defined $name;
return $self->ChoiceOrSeq($reader) . $self->Cardinality($reader);
}
sub Choice {
my ($self, $reader) = @_;
my $model = '';
$self->skip_whitespace($reader);
while ($reader->match('|')) {
$self->skip_whitespace($reader);
$model .= '|';
$model .= $self->Cp($reader);
$self->skip_whitespace($reader);
}
return $model;
}
sub Seq {
my ($self, $reader) = @_;
my $model = '';
$self->skip_whitespace($reader);
while ($reader->match(',')) {
$self->skip_whitespace($reader);
my $cp = $self->Cp($reader);
if ($cp) {
$model .= ',';
$model .= $cp;
}
$self->skip_whitespace($reader);
}
return $model;
}
sub AttlistDecl {
my ($self, $reader) = @_;
my $data = $reader->data(9);
if ($data =~ /^<!ATTLIST/) {
# It's an attlist
$reader->move_along(9);
$self->skip_whitespace($reader) ||
$self->parser_error("No whitespace after ATTLIST declaration", $reader);
my $name = $self->Name($reader);
$self->AttDefList($reader, $name);
$self->skip_whitespace($reader);
$reader->match('>') or $self->parser_error("Closing angle bracket not found on ATTLIST declaration", $reader);
return 1;
}
return 0;
}
sub AttDefList {
my ($self, $reader, $name) = @_;
1 while $self->AttDef($reader, $name);
}
sub AttDef {
my ($self, $reader, $el_name) = @_;
$self->skip_whitespace($reader) || return 0;
my $att_name = $self->Name($reader) || return 0;
$self->skip_whitespace($reader) ||
$self->parser_error("No whitespace after Name in attribute definition", $reader);
my $att_type = $self->AttType($reader);
$self->skip_whitespace($reader) ||
$self->parser_error("No whitespace after AttType in attribute definition", $reader);
my ($mode, $value) = $self->DefaultDecl($reader);
# fire SAX event here!
$self->attribute_decl({
eName => $el_name,
aName => $att_name,
Type => $att_type,
Mode => $mode,
Value => $value,
});
return 1;
}
sub AttType {
my ($self, $reader) = @_;
return $self->StringType($reader) ||
$self->TokenizedType($reader) ||
$self->EnumeratedType($reader) ||
$self->parser_error("Can't match AttType", $reader);
}
sub StringType {
my ($self, $reader) = @_;
my $data = $reader->data(5);
return unless $data =~ /^CDATA/;
$reader->move_along(5);
return 'CDATA';
}
sub TokenizedType {
my ($self, $reader) = @_;
my $data = $reader->data(8);
if ($data =~ /^(IDREFS?|ID|ENTITIES|ENTITY|NMTOKENS?)/) {
$reader->move_along(length($1));
return $1;
}
return;
}
sub EnumeratedType {
my ($self, $reader) = @_;
return $self->NotationType($reader) || $self->Enumeration($reader);
}
sub NotationType {
my ($self, $reader) = @_;
my $data = $reader->data(8);
return unless $data =~ /^NOTATION/;
$reader->move_along(8);
$self->skip_whitespace($reader) ||
$self->parser_error("No whitespace after NOTATION", $reader);
$reader->match('(') or $self->parser_error("No opening bracket in notation section", $reader);
$self->skip_whitespace($reader);
my $model = 'NOTATION (';
my $name = $self->Name($reader) ||
$self->parser_error("No name in notation section", $reader);
$model .= $name;
$self->skip_whitespace($reader);
$data = $reader->data;
while ($data =~ /^\|/) {
$reader->move_along(1);
$model .= '|';
$self->skip_whitespace($reader);
my $name = $self->Name($reader) ||
$self->parser_error("No name in notation section", $reader);
$model .= $name;
$self->skip_whitespace($reader);
$data = $reader->data;
}
$data =~ /^\)/ or $self->parser_error("No closing bracket in notation section", $reader);
$reader->move_along(1);
$model .= ')';
return $model;
}
sub Enumeration {
my ($self, $reader) = @_;
return unless $reader->match('(');
$self->skip_whitespace($reader);
my $model = '(';
my $nmtoken = $self->Nmtoken($reader) ||
$self->parser_error("No Nmtoken in enumerated declaration", $reader);
$model .= $nmtoken;
$self->skip_whitespace($reader);
my $data = $reader->data;
while ($data =~ /^\|/) {
$model .= '|';
$reader->move_along(1);
$self->skip_whitespace($reader);
my $nmtoken = $self->Nmtoken($reader) ||
$self->parser_error("No Nmtoken in enumerated declaration", $reader);
$model .= $nmtoken;
$self->skip_whitespace($reader);
$data = $reader->data;
}
$data =~ /^\)/ or $self->parser_error("No closing bracket in enumerated declaration", $reader);
$reader->move_along(1);
$model .= ')';
return $model;
}
sub Nmtoken {
my ($self, $reader) = @_;
return $self->Name($reader);
}
sub DefaultDecl {
my ($self, $reader) = @_;
my $data = $reader->data(9);
if ($data =~ /^(\#REQUIRED|\#IMPLIED)/) {
$reader->move_along(length($1));
return $1;
}
my $model = '';
if ($data =~ /^\#FIXED/) {
$reader->move_along(6);
$self->skip_whitespace($reader) || $self->parser_error(
"no whitespace after FIXED specifier", $reader);
my $value = $self->AttValue($reader);
return "#FIXED", $value;
}
my $value = $self->AttValue($reader);
return undef, $value;
}
sub EntityDecl {
my ($self, $reader) = @_;
my $data = $reader->data(8);
return 0 unless $data =~ /^<!ENTITY/;
$reader->move_along(8);
$self->skip_whitespace($reader) || $self->parser_error(
"No whitespace after ENTITY declaration", $reader);
$self->PEDecl($reader) || $self->GEDecl($reader);
$self->skip_whitespace($reader);
$reader->match('>') or $self->parser_error("No closing '>' in entity definition", $reader);
return 1;
}
sub GEDecl {
my ($self, $reader) = @_;
my $name = $self->Name($reader) || $self->parser_error("No entity name given", $reader);
$self->skip_whitespace($reader) || $self->parser_error("No whitespace after entity name", $reader);
# TODO: ExternalID calls lexhandler method. Wrong place for it.
my $value;
if ($value = $self->ExternalID($reader)) {
$value .= $self->NDataDecl($reader);
}
else {
$value = $self->EntityValue($reader);
}
if ($self->{ParseOptions}{entities}{$name}) {
warn("entity $name already exists\n");
} else {
$self->{ParseOptions}{entities}{$name} = 1;
$self->{ParseOptions}{expanded_entity}{$name} = $value; # ???
}
# do callback?
return 1;
}
sub PEDecl {
my ($self, $reader) = @_;
return 0 unless $reader->match('%');
$self->skip_whitespace($reader) || $self->parser_error("No whitespace after parameter entity marker", $reader);
my $name = $self->Name($reader) || $self->parser_error("No parameter entity name given", $reader);
$self->skip_whitespace($reader) || $self->parser_error("No whitespace after parameter entity name", $reader);
my $value = $self->ExternalID($reader) ||
$self->EntityValue($reader) ||
$self->parser_error("PE is not a value or an external resource", $reader);
# do callback?
return 1;
}
my $quotre = qr/[^%&\"]/;
my $aposre = qr/[^%&\']/;
sub EntityValue {
my ($self, $reader) = @_;
my $data = $reader->data;
my $quote = '"';
my $re = $quotre;
if ($data !~ /^"/) {
$data =~ /^'/ or $self->parser_error("Not a quote character", $reader);
$quote = "'";
$re = $aposre;
}
$reader->move_along(1);
my $value = '';
while (1) {
my $data = $reader->data;
$self->parser_error("EOF found while reading entity value", $reader)
unless length($data);
if ($data =~ /^($re+)/) {
my $match = $1;
$value .= $match;
$reader->move_along(length($match));
}
elsif ($reader->match('&')) {
# if it's a char ref, expand now:
if ($reader->match('#')) {
my $char;
my $ref = '';
if ($reader->match('x')) {
my $data = $reader->data;
while (1) {
$self->parser_error("EOF looking for reference end", $reader)
unless length($data);
if ($data !~ /^([0-9a-fA-F]*)/) {
last;
}
$ref .= $1;
$reader->move_along(length($1));
if (length($1) == length($data)) {
$data = $reader->data;
}
else {
last;
}
}
$char = chr_ref(hex($ref));
$ref = "x$ref";
}
else {
my $data = $reader->data;
while (1) {
$self->parser_error("EOF looking for reference end", $reader)
unless length($data);
if ($data !~ /^([0-9]*)/) {
last;
}
$ref .= $1;
$reader->move_along(length($1));
if (length($1) == length($data)) {
$data = $reader->data;
}
else {
last;
}
}
$char = chr($ref);
}
$reader->match(';') ||
$self->parser_error("No semi-colon found after character reference", $reader);
if ($char !~ $SingleChar) { # match a single character
$self->parser_error("Character reference '&#$ref;' refers to an illegal XML character ($char)", $reader);
}
$value .= $char;
}
else {
# entity refs in entities get expanded later, so don't parse now.
$value .= '&';
}
}
elsif ($reader->match('%')) {
$value .= $self->PEReference($reader);
}
elsif ($reader->match($quote)) {
# end of attrib
last;
}
else {
$self->parser_error("Invalid character in attribute value: " . substr($reader->data, 0, 1), $reader);
}
}
return $value;
}
sub NDataDecl {
my ($self, $reader) = @_;
$self->skip_whitespace($reader) || return '';
my $data = $reader->data(5);
return '' unless $data =~ /^NDATA/;
$reader->move_along(5);
$self->skip_whitespace($reader) || $self->parser_error("No whitespace after NDATA declaration", $reader);
my $name = $self->Name($reader) || $self->parser_error("NDATA declaration lacks a proper Name", $reader);
return " NDATA $name";
}
sub NotationDecl {
my ($self, $reader) = @_;
my $data = $reader->data(10);
return 0 unless $data =~ /^<!NOTATION/;
$reader->move_along(10);
$self->skip_whitespace($reader) ||
$self->parser_error("No whitespace after NOTATION declaration", $reader);
$data = $reader->data;
my $value = '';
while(1) {
$self->parser_error("EOF found while looking for end of NotationDecl", $reader)
unless length($data);
if ($data =~ /^([^>]*)>/) {
$value .= $1;
$reader->move_along(length($1) + 1);
$self->notation_decl({Name => "FIXME", SystemId => "FIXME", PublicId => "FIXME" });
last;
}
else {
$value .= $data;
$reader->move_along(length($data));
$data = $reader->data;
}
}
return 1;
}
1;
PK �fl\�N��=
=
& perl5/5.32/XML/SAX/PurePerl/XMLDecl.pmnu ��6�$ # $Id$
package XML::SAX::PurePerl;
use strict;
use XML::SAX::PurePerl::Productions qw($S $VersionNum $EncNameStart $EncNameEnd);
sub XMLDecl {
my ($self, $reader) = @_;
my $data = $reader->data(5);
# warn("Looking for xmldecl in: $data");
if ($data =~ /^<\?xml$S/o) {
$reader->move_along(5);
$self->skip_whitespace($reader);
# get version attribute
$self->VersionInfo($reader) ||
$self->parser_error("XML Declaration lacks required version attribute, or version attribute does not match XML specification", $reader);
if (!$self->skip_whitespace($reader)) {
my $data = $reader->data(2);
$data =~ /^\?>/ or $self->parser_error("Syntax error", $reader);
$reader->move_along(2);
return;
}
if ($self->EncodingDecl($reader)) {
if (!$self->skip_whitespace($reader)) {
my $data = $reader->data(2);
$data =~ /^\?>/ or $self->parser_error("Syntax error", $reader);
$reader->move_along(2);
return;
}
}
$self->SDDecl($reader);
$self->skip_whitespace($reader);
my $data = $reader->data(2);
$data =~ /^\?>/ or $self->parser_error("Syntax error", $reader);
$reader->move_along(2);
}
else {
# warn("first 5 bytes: ", join(',', unpack("CCCCC", $data)), "\n");
# no xml decl
if (!$reader->get_encoding) {
$reader->set_encoding("UTF-8");
}
}
}
sub VersionInfo {
my ($self, $reader) = @_;
my $data = $reader->data(11);
# warn("Looking for version in $data");
$data =~ /^(version$S*=$S*(["'])($VersionNum)\2)/o or return 0;
$reader->move_along(length($1));
my $vernum = $3;
if ($vernum ne "1.0") {
$self->parser_error("Only XML version 1.0 supported. Saw: '$vernum'", $reader);
}
return 1;
}
sub SDDecl {
my ($self, $reader) = @_;
my $data = $reader->data(15);
$data =~ /^(standalone$S*=$S*(["'])(yes|no)\2)/o or return 0;
$reader->move_along(length($1));
my $yesno = $3;
if ($yesno eq 'yes') {
$self->{standalone} = 1;
}
else {
$self->{standalone} = 0;
}
return 1;
}
sub EncodingDecl {
my ($self, $reader) = @_;
my $data = $reader->data(12);
$data =~ /^(encoding$S*=$S*(["'])($EncNameStart$EncNameEnd*)\2)/o or return 0;
$reader->move_along(length($1));
my $encoding = $3;
$reader->set_encoding($encoding);
return 1;
}
sub TextDecl {
my ($self, $reader) = @_;
my $data = $reader->data(6);
$data =~ /^<\?xml$S+/ or return;
$reader->move_along(5);
$self->skip_whitespace($reader);
if ($self->VersionInfo($reader)) {
$self->skip_whitespace($reader) ||
$self->parser_error("Lack of whitespace after version attribute in text declaration", $reader);
}
$self->EncodingDecl($reader) ||
$self->parser_error("Encoding declaration missing from external entity text declaration", $reader);
$self->skip_whitespace($reader);
$data = $reader->data(2);
$data =~ /^\?>/ or $self->parser_error("Syntax error", $reader);
return 1;
}
1;
PK �fl\��*�W W + perl5/5.32/XML/SAX/PurePerl/DebugHandler.pmnu ��6�$ # $Id$
package XML::SAX::PurePerl::DebugHandler;
use strict;
sub new {
my $class = shift;
my %opts = @_;
return bless \%opts, $class;
}
# DocumentHandler
sub set_document_locator {
my $self = shift;
print "set_document_locator\n" if $ENV{DEBUG_XML};
$self->{seen}{set_document_locator}++;
}
sub start_document {
my $self = shift;
print "start_document\n" if $ENV{DEBUG_XML};
$self->{seen}{start_document}++;
}
sub end_document {
my $self = shift;
print "end_document\n" if $ENV{DEBUG_XML};
$self->{seen}{end_document}++;
}
sub start_element {
my $self = shift;
print "start_element\n" if $ENV{DEBUG_XML};
$self->{seen}{start_element}++;
}
sub end_element {
my $self = shift;
print "end_element\n" if $ENV{DEBUG_XML};
$self->{seen}{end_element}++;
}
sub characters {
my $self = shift;
print "characters\n" if $ENV{DEBUG_XML};
# warn "Char: ", $_[0]->{Data}, "\n";
$self->{seen}{characters}++;
}
sub processing_instruction {
my $self = shift;
print "processing_instruction\n" if $ENV{DEBUG_XML};
$self->{seen}{processing_instruction}++;
}
sub ignorable_whitespace {
my $self = shift;
print "ignorable_whitespace\n" if $ENV{DEBUG_XML};
$self->{seen}{ignorable_whitespace}++;
}
# LexHandler
sub comment {
my $self = shift;
print "comment\n" if $ENV{DEBUG_XML};
$self->{seen}{comment}++;
}
# DTDHandler
sub notation_decl {
my $self = shift;
print "notation_decl\n" if $ENV{DEBUG_XML};
$self->{seen}{notation_decl}++;
}
sub unparsed_entity_decl {
my $self = shift;
print "unparsed_entity_decl\n" if $ENV{DEBUG_XML};
$self->{seen}{entity_decl}++;
}
# EntityResolver
sub resolve_entity {
my $self = shift;
print "resolve_entity\n" if $ENV{DEBUG_XML};
$self->{seen}{resolve_entity}++;
return '';
}
1;
PK �fl\�&� � ( perl5/5.32/XML/SAX/PurePerl/Exception.pmnu ��6�$ # $Id$
package XML::SAX::PurePerl::Exception;
use strict;
use overload '""' => "stringify";
use vars qw/$StackTrace/;
$StackTrace = $ENV{XML_DEBUG} || 0;
sub throw {
my $class = shift;
die $class->new(@_);
}
sub new {
my $class = shift;
my %opts = @_;
die "Invalid options" unless exists $opts{Message};
if ($opts{reader}) {
return bless { Message => $opts{Message},
Exception => undef, # not sure what this is for!!!
ColumnNumber => $opts{reader}->column,
LineNumber => $opts{reader}->line,
PublicId => $opts{reader}->public_id,
SystemId => $opts{reader}->system_id,
$StackTrace ? (StackTrace => stacktrace()) : (),
}, $class;
}
return bless { Message => $opts{Message},
Exception => undef, # not sure what this is for!!!
}, $class;
}
sub stringify {
my $self = shift;
local $^W;
return $self->{Message} . " [Ln: " . $self->{LineNumber} .
", Col: " . $self->{ColumnNumber} . "]" .
($StackTrace ? stackstring($self->{StackTrace}) : "") . "\n";
}
sub stacktrace {
my $i = 2;
my @fulltrace;
while (my @trace = caller($i++)) {
my %hash;
@hash{qw(Package Filename Line)} = @trace[0..2];
push @fulltrace, \%hash;
}
return \@fulltrace;
}
sub stackstring {
my $stacktrace = shift;
my $string = "\nFrom:\n";
foreach my $current (@$stacktrace) {
$string .= $current->{Filename} . " Line: " . $current->{Line} . "\n";
}
return $string;
}
1;
PK �fl\a�3t t + perl5/5.32/XML/SAX/PurePerl/NoUnicodeExt.pmnu ��6�$ # $Id$
package XML::SAX::PurePerl;
use strict;
sub chr_ref {
my $n = shift;
if ($n < 0x80) {
return chr ($n);
}
elsif ($n < 0x800) {
return pack ("CC", (($n >> 6) | 0xc0), (($n & 0x3f) | 0x80));
}
elsif ($n < 0x10000) {
return pack ("CCC", (($n >> 12) | 0xe0), ((($n >> 6) & 0x3f) | 0x80),
(($n & 0x3f) | 0x80));
}
elsif ($n < 0x110000)
{
return pack ("CCCC", (($n >> 18) | 0xf0), ((($n >> 12) & 0x3f) | 0x80),
((($n >> 6) & 0x3f) | 0x80), (($n & 0x3f) | 0x80));
}
else {
return undef;
}
}
1;
PK �fl\�~@p p " perl5/5.32/XML/SAX/BuildSAXBase.plnu ��6�$ #!/usr/bin/perl
#
# This file is used to generate lib/XML/SAX/Base.pm. There is a pre-generated
# Base.pm file included in the distribution so you don't need to run this
# script unless you are attempting to modify the code.
#
# The code in this file was adapted from the Makefile.PL when XML::SAX::Base
# was split back out into its own distribution.
#
# You can manually run this file:
#
# perl ./BuildSAXBase.pl
#
# or better yet it will be invoked by automatically Dist::Zilla when building
# a release from the git repository.
#
# dzil build
#
package SAX::Base::Builder;
use strict;
use warnings;
use File::Spec;
write_xml_sax_base() unless caller();
sub build_xml_sax_base {
my $code = <<'EOHEADER';
package XML::SAX::Base;
# version 0.10 - Kip Hampton <khampton@totalcinema.com>
# version 0.13 - Robin Berjon <robin@knowscape.com>
# version 0.15 - Kip Hampton <khampton@totalcinema.com>
# version 0.17 - Kip Hampton <khampton@totalcinema.com>
# version 0.19 - Kip Hampton <khampton@totalcinema.com>
# version 0.21 - Kip Hampton <khampton@totalcinema.com>
# version 0.22 - Robin Berjon <robin@knowscape.com>
# version 0.23 - Matt Sergeant <matt@sergeant.org>
# version 0.24 - Robin Berjon <robin@knowscape.com>
# version 0.25 - Kip Hampton <khampton@totalcinema.com>
# version 1.00 - Kip Hampton <khampton@totalcinema.com>
# version 1.01 - Kip Hampton <khampton@totalcinema.com>
# version 1.02 - Robin Berjon <robin@knowscape.com>
# version 1.03 - Matt Sergeant <matt@sergeant.org>
# version 1.04 - Kip Hampton <khampton@totalcinema.com>
# version 1.05 - Grant McLean <grantm@cpan.org>
# version 1.06 - Grant McLean <grantm@cpan.org>
# version 1.07 - Grant McLean <grantm@cpan.org>
# version 1.08 - Grant McLean <grantm@cpan.org>
#-----------------------------------------------------#
# STOP!!!!!
#
# This file is generated by the 'BuildSAXBase.pl' file
# that ships with the XML::SAX::Base distribution.
# If you need to make changes, patch that file NOT
# XML/SAX/Base.pm Better yet, fork the git repository
# commit your changes and send a pull request:
# https://github.com/grantm/XML-SAX-Base
#-----------------------------------------------------#
use strict;
use XML::SAX::Exception qw();
EOHEADER
my %EVENT_SPEC = (
start_document => [qw(ContentHandler DocumentHandler Handler)],
end_document => [qw(ContentHandler DocumentHandler Handler)],
start_element => [qw(ContentHandler DocumentHandler Handler)],
end_element => [qw(ContentHandler DocumentHandler Handler)],
characters => [qw(ContentHandler DocumentHandler Handler)],
processing_instruction => [qw(ContentHandler DocumentHandler Handler)],
ignorable_whitespace => [qw(ContentHandler DocumentHandler Handler)],
set_document_locator => [qw(ContentHandler DocumentHandler Handler)],
start_prefix_mapping => [qw(ContentHandler Handler)],
end_prefix_mapping => [qw(ContentHandler Handler)],
skipped_entity => [qw(ContentHandler Handler)],
start_cdata => [qw(DocumentHandler LexicalHandler Handler)],
end_cdata => [qw(DocumentHandler LexicalHandler Handler)],
comment => [qw(DocumentHandler LexicalHandler Handler)],
entity_reference => [qw(DocumentHandler Handler)],
notation_decl => [qw(DTDHandler Handler)],
unparsed_entity_decl => [qw(DTDHandler Handler)],
element_decl => [qw(DeclHandler Handler)],
attlist_decl => [qw(DTDHandler Handler)],
doctype_decl => [qw(DTDHandler Handler)],
xml_decl => [qw(DTDHandler Handler)],
entity_decl => [qw(DTDHandler Handler)],
attribute_decl => [qw(DeclHandler Handler)],
internal_entity_decl => [qw(DeclHandler Handler)],
external_entity_decl => [qw(DeclHandler Handler)],
resolve_entity => [qw(EntityResolver Handler)],
start_dtd => [qw(LexicalHandler Handler)],
end_dtd => [qw(LexicalHandler Handler)],
start_entity => [qw(LexicalHandler Handler)],
end_entity => [qw(LexicalHandler Handler)],
warning => [qw(ErrorHandler Handler)],
error => [qw(ErrorHandler Handler)],
fatal_error => [qw(ErrorHandler Handler)],
);
for my $ev (keys %EVENT_SPEC) {
$code .= <<" EOTOPCODE";
sub $ev {
my \$self = shift;
if (defined \$self->{Methods}->{'$ev'}) {
\$self->{Methods}->{'$ev'}->(\@_);
}
else {
my \$method;
my \$callbacks;
if (exists \$self->{ParseOptions}) {
\$callbacks = \$self->{ParseOptions};
}
else {
\$callbacks = \$self;
}
if (0) { # dummy to make elsif's below compile
}
EOTOPCODE
my ($can_string, $aload_string);
for my $h (@{$EVENT_SPEC{$ev}}) {
$can_string .= <<" EOCANBLOCK";
elsif (defined \$callbacks->{'$h'} and \$method = \$callbacks->{'$h'}->can('$ev') ) {
my \$handler = \$callbacks->{'$h'};
\$self->{Methods}->{'$ev'} = sub { \$method->(\$handler, \@_) };
return \$method->(\$handler, \@_);
}
EOCANBLOCK
$aload_string .= <<" EOALOADBLOCK";
elsif (defined \$callbacks->{'$h'}
and \$callbacks->{'$h'}->can('AUTOLOAD')
and \$callbacks->{'$h'}->can('AUTOLOAD') ne (UNIVERSAL->can('AUTOLOAD') || '')
)
{
my \$res = eval { \$callbacks->{'$h'}->$ev(\@_) };
if (\$@) {
die \$@;
}
else {
# I think there's a buggette here...
# if the first call throws an exception, we don't set it up right.
# Not fatal, but we might want to address it.
my \$handler = \$callbacks->{'$h'};
\$self->{Methods}->{'$ev'} = sub { \$handler->$ev(\@_) };
}
return \$res;
}
EOALOADBLOCK
}
$code .= $can_string . $aload_string;
$code .= <<" EOFALLTHROUGH";
else {
\$self->{Methods}->{'$ev'} = sub { };
}
}
EOFALLTHROUGH
$code .= "\n}\n\n";
}
$code .= <<'BODY';
#-------------------------------------------------------------------#
# Class->new(%options)
#-------------------------------------------------------------------#
sub new {
my $proto = shift;
my $class = ref($proto) || $proto;
my $options = ($#_ == 0) ? shift : { @_ };
unless ( defined( $options->{Handler} ) or
defined( $options->{ContentHandler} ) or
defined( $options->{DTDHandler} ) or
defined( $options->{DocumentHandler} ) or
defined( $options->{LexicalHandler} ) or
defined( $options->{ErrorHandler} ) or
defined( $options->{DeclHandler} ) ) {
$options->{Handler} = XML::SAX::Base::NoHandler->new;
}
my $self = bless $options, $class;
# turn NS processing on by default
$self->set_feature('http://xml.org/sax/features/namespaces', 1);
return $self;
}
#-------------------------------------------------------------------#
#-------------------------------------------------------------------#
# $p->parse(%options)
#-------------------------------------------------------------------#
sub parse {
my $self = shift;
my $parse_options = $self->get_options(@_);
local $self->{ParseOptions} = $parse_options;
if ($self->{Parent}) { # calling parse on a filter for some reason
return $self->{Parent}->parse($parse_options);
}
else {
my $method;
if (defined $parse_options->{Source}{CharacterStream} and $method = $self->can('_parse_characterstream')) {
warn("parse charstream???\n");
return $method->($self, $parse_options->{Source}{CharacterStream});
}
elsif (defined $parse_options->{Source}{ByteStream} and $method = $self->can('_parse_bytestream')) {
return $method->($self, $parse_options->{Source}{ByteStream});
}
elsif (defined $parse_options->{Source}{String} and $method = $self->can('_parse_string')) {
return $method->($self, $parse_options->{Source}{String});
}
elsif (defined $parse_options->{Source}{SystemId} and $method = $self->can('_parse_systemid')) {
return $method->($self, $parse_options->{Source}{SystemId});
}
else {
die "No _parse_* routine defined on this driver (If it is a filter, remember to set the Parent property. If you call the parse() method, make sure to set a Source. You may want to call parse_uri, parse_string or parse_file instead.) [$self]";
}
}
}
#-------------------------------------------------------------------#
#-------------------------------------------------------------------#
# $p->parse_file(%options)
#-------------------------------------------------------------------#
sub parse_file {
my $self = shift;
my $file = shift;
return $self->parse_uri($file, @_) if ref(\$file) eq 'SCALAR';
my $parse_options = $self->get_options(@_);
$parse_options->{Source}{ByteStream} = $file;
return $self->parse($parse_options);
}
#-------------------------------------------------------------------#
#-------------------------------------------------------------------#
# $p->parse_uri(%options)
#-------------------------------------------------------------------#
sub parse_uri {
my $self = shift;
my $file = shift;
my $parse_options = $self->get_options(@_);
$parse_options->{Source}{SystemId} = $file;
return $self->parse($parse_options);
}
#-------------------------------------------------------------------#
#-------------------------------------------------------------------#
# $p->parse_string(%options)
#-------------------------------------------------------------------#
sub parse_string {
my $self = shift;
my $string = shift;
my $parse_options = $self->get_options(@_);
$parse_options->{Source}{String} = $string;
return $self->parse($parse_options);
}
#-------------------------------------------------------------------#
#-------------------------------------------------------------------#
# get_options
#-------------------------------------------------------------------#
sub get_options {
my $self = shift;
if (@_ == 1) {
return { %$self, %{$_[0]} };
} else {
return { %$self, @_ };
}
}
#-------------------------------------------------------------------#
#-------------------------------------------------------------------#
# get_features
#-------------------------------------------------------------------#
sub get_features {
return (
'http://xml.org/sax/features/external-general-entities' => undef,
'http://xml.org/sax/features/external-parameter-entities' => undef,
'http://xml.org/sax/features/is-standalone' => undef,
'http://xml.org/sax/features/lexical-handler' => undef,
'http://xml.org/sax/features/parameter-entities' => undef,
'http://xml.org/sax/features/namespaces' => 1,
'http://xml.org/sax/features/namespace-prefixes' => 0,
'http://xml.org/sax/features/string-interning' => undef,
'http://xml.org/sax/features/use-attributes2' => undef,
'http://xml.org/sax/features/use-locator2' => undef,
'http://xml.org/sax/features/validation' => undef,
'http://xml.org/sax/properties/dom-node' => undef,
'http://xml.org/sax/properties/xml-string' => undef,
);
}
#-------------------------------------------------------------------#
#-------------------------------------------------------------------#
# get_feature
#-------------------------------------------------------------------#
sub get_feature {
my $self = shift;
my $feat = shift;
# check %FEATURES to see if it's there, and return it if so
# throw XML::SAX::Exception::NotRecognized if it's not there
# throw XML::SAX::Exception::NotSupported if it's there but we
# don't support it
my %features = $self->get_features();
if (exists $features{$feat}) {
my %supported = map { $_ => 1 } $self->supported_features();
if ($supported{$feat}) {
return $self->{__PACKAGE__ . "::Features"}{$feat};
}
throw XML::SAX::Exception::NotSupported(
Message => "The feature '$feat' is not supported by " . ref($self),
Exception => undef,
);
}
throw XML::SAX::Exception::NotRecognized(
Message => "The feature '$feat' is not recognized by " . ref($self),
Exception => undef,
);
}
#-------------------------------------------------------------------#
#-------------------------------------------------------------------#
# set_feature
#-------------------------------------------------------------------#
sub set_feature {
my $self = shift;
my $feat = shift;
my $value = shift;
# check %FEATURES to see if it's there, and set it if so
# throw XML::SAX::Exception::NotRecognized if it's not there
# throw XML::SAX::Exception::NotSupported if it's there but we
# don't support it
my %features = $self->get_features();
if (exists $features{$feat}) {
my %supported = map { $_ => 1 } $self->supported_features();
if ($supported{$feat}) {
return $self->{__PACKAGE__ . "::Features"}{$feat} = $value;
}
throw XML::SAX::Exception::NotSupported(
Message => "The feature '$feat' is not supported by " . ref($self),
Exception => undef,
);
}
throw XML::SAX::Exception::NotRecognized(
Message => "The feature '$feat' is not recognized by " . ref($self),
Exception => undef,
);
}
#-------------------------------------------------------------------#
#-------------------------------------------------------------------#
# get_handler and friends
#-------------------------------------------------------------------#
sub get_handler {
my $self = shift;
my $handler_type = shift;
$handler_type ||= 'Handler';
return defined( $self->{$handler_type} ) ? $self->{$handler_type} : undef;
}
sub get_document_handler {
my $self = shift;
return $self->get_handler('DocumentHandler', @_);
}
sub get_content_handler {
my $self = shift;
return $self->get_handler('ContentHandler', @_);
}
sub get_dtd_handler {
my $self = shift;
return $self->get_handler('DTDHandler', @_);
}
sub get_lexical_handler {
my $self = shift;
return $self->get_handler('LexicalHandler', @_);
}
sub get_decl_handler {
my $self = shift;
return $self->get_handler('DeclHandler', @_);
}
sub get_error_handler {
my $self = shift;
return $self->get_handler('ErrorHandler', @_);
}
sub get_entity_resolver {
my $self = shift;
return $self->get_handler('EntityResolver', @_);
}
#-------------------------------------------------------------------#
#-------------------------------------------------------------------#
# set_handler and friends
#-------------------------------------------------------------------#
sub set_handler {
my $self = shift;
my ($new_handler, $handler_type) = reverse @_;
$handler_type ||= 'Handler';
$self->{Methods} = {} if $self->{Methods};
$self->{$handler_type} = $new_handler;
$self->{ParseOptions}->{$handler_type} = $new_handler;
return 1;
}
sub set_document_handler {
my $self = shift;
return $self->set_handler('DocumentHandler', @_);
}
sub set_content_handler {
my $self = shift;
return $self->set_handler('ContentHandler', @_);
}
sub set_dtd_handler {
my $self = shift;
return $self->set_handler('DTDHandler', @_);
}
sub set_lexical_handler {
my $self = shift;
return $self->set_handler('LexicalHandler', @_);
}
sub set_decl_handler {
my $self = shift;
return $self->set_handler('DeclHandler', @_);
}
sub set_error_handler {
my $self = shift;
return $self->set_handler('ErrorHandler', @_);
}
sub set_entity_resolver {
my $self = shift;
return $self->set_handler('EntityResolver', @_);
}
#-------------------------------------------------------------------#
#-------------------------------------------------------------------#
# supported_features
#-------------------------------------------------------------------#
sub supported_features {
my $self = shift;
# Only namespaces are required by all parsers
return (
'http://xml.org/sax/features/namespaces',
);
}
#-------------------------------------------------------------------#
sub no_op {
# this space intentionally blank
}
package XML::SAX::Base::NoHandler;
# we need a fake handler that doesn't implement anything, this
# simplifies the code a lot (though given the recent changes,
# it may be better to do without)
sub new {
#warn "no handler called\n";
return bless {};
}
1;
BODY
$code .= "__END__\n";
$code .= <<'FOOTER';
=head1 NAME
XML::SAX::Base - Base class SAX Drivers and Filters
=head1 SYNOPSIS
package MyFilter;
use XML::SAX::Base;
@ISA = ('XML::SAX::Base');
=head1 DESCRIPTION
This module has a very simple task - to be a base class for PerlSAX
drivers and filters. It's default behaviour is to pass the input directly
to the output unchanged. It can be useful to use this module as a base class
so you don't have to, for example, implement the characters() callback.
The main advantages that it provides are easy dispatching of events the right
way (ie it takes care for you of checking that the handler has implemented
that method, or has defined an AUTOLOAD), and the guarantee that filters
will pass along events that they aren't implementing to handlers downstream
that might nevertheless be interested in them.
=head1 WRITING SAX DRIVERS AND FILTERS
The Perl Sax API Reference is at L<http://perl-xml.sourceforge.net/perl-sax/>.
Writing SAX Filters is tremendously easy: all you need to do is
inherit from this module, and define the events you want to handle. A
more detailed explanation can be found at
http://www.xml.com/pub/a/2001/10/10/sax-filters.html.
Writing Drivers is equally simple. The one thing you need to pay
attention to is B<NOT> to call events yourself (this applies to Filters
as well). For instance:
package MyFilter;
use base qw(XML::SAX::Base);
sub start_element {
my $self = shift;
my $data = shift;
# do something
$self->{Handler}->start_element($data); # BAD
}
The above example works well as precisely that: an example. But it has
several faults: 1) it doesn't test to see whether the handler defines
start_element. Perhaps it doesn't want to see that event, in which
case you shouldn't throw it (otherwise it'll die). 2) it doesn't check
ContentHandler and then Handler (ie it doesn't look to see that the
user hasn't requested events on a specific handler, and if not on the
default one), 3) if it did check all that, not only would the code be
cumbersome (see this module's source to get an idea) but it would also
probably have to check for a DocumentHandler (in case this were SAX1)
and for AUTOLOADs potentially defined in all these packages. As you can
tell, that would be fairly painful. Instead of going through that,
simply remember to use code similar to the following instead:
package MyFilter;
use base qw(XML::SAX::Base);
sub start_element {
my $self = shift;
my $data = shift;
# do something to filter
$self->SUPER::start_element($data); # GOOD (and easy) !
}
This way, once you've done your job you hand the ball back to
XML::SAX::Base and it takes care of all those problems for you!
Note that the above example doesn't apply to filters only, drivers
will benefit from the exact same feature.
=head1 METHODS
A number of methods are defined within this class for the purpose of
inheritance. Some probably don't need to be overridden (eg parse_file)
but some clearly should be (eg parse). Options for these methods are
described in the PerlSAX2 specification available from
http://cvs.sourceforge.net/cgi-bin/viewcvs.cgi/~checkout~/perl-xml/libxml-perl/doc/sax-2.0.html?rev=HEAD&content-type=text/html.
=over 4
=item * parse
The parse method is the main entry point to parsing documents. Internally
the parse method will detect what type of "thing" you are parsing, and
call the appropriate method in your implementation class. Here is the
mapping table of what is in the Source options (see the Perl SAX 2.0
specification for the meaning of these values):
Source Contains parse() calls
=============== =============
CharacterStream (*) _parse_characterstream($stream, $options)
ByteStream _parse_bytestream($stream, $options)
String _parse_string($string, $options)
SystemId _parse_systemid($string, $options)
However note that these methods may not be sensible if your driver class
is not for parsing XML. An example might be a DBI driver that generates
XML/SAX from a database table. If that is the case, you likely want to
write your own parse() method.
Also note that the Source may contain both a PublicId entry, and an
Encoding entry. To get at these, examine $options->{Source} as passed
to your method.
(*) A CharacterStream is a filehandle that does not need any encoding
translation done on it. This is implemented as a regular filehandle
and only works under Perl 5.7.2 or higher using PerlIO. To get a single
character, or number of characters from it, use the perl core read()
function. To get a single byte from it (or number of bytes), you can
use sysread(). The encoding of the stream should be in the Encoding
entry for the Source.
=item * parse_file, parse_uri, parse_string
These are all convenience variations on parse(), and in fact simply
set up the options before calling it. You probably don't need to
override these.
=item * get_options
This is a convenience method to get options in SAX2 style, or more
generically either as hashes or as hashrefs (it returns a hashref).
You will probably want to use this method in your own implementations
of parse() and of new().
=item * get_feature, set_feature
These simply get and set features, and throw the
appropriate exceptions defined in the specification if need be.
If your subclass defines features not defined in this one,
then you should override these methods in such a way that they check for
your features first, and then call the base class's methods
for features not defined by your class. An example would be:
sub get_feature {
my $self = shift;
my $feat = shift;
if (exists $MY_FEATURES{$feat}) {
# handle the feature in various ways
}
else {
return $self->SUPER::get_feature($feat);
}
}
Currently this part is unimplemented.
=item * set_handler
This method takes a handler type (Handler, ContentHandler, etc.) and a
handler object as arguments, and changes the current handler for that
handler type, while taking care of resetting the internal state that
needs to be reset. This allows one to change a handler during parse
without running into problems (changing it on the parser object
directly will most likely cause trouble).
=item * set_document_handler, set_content_handler, set_dtd_handler, set_lexical_handler, set_decl_handler, set_error_handler, set_entity_resolver
These are just simple wrappers around the former method, and take a
handler object as their argument. Internally they simply call
set_handler with the correct arguments.
=item * get_handler
The inverse of set_handler, this method takes a an optional string containing a handler type (DTDHandler,
ContentHandler, etc. 'Handler' is used if no type is passed). It returns a reference to the object that implements
that class, or undef if that handler type is not set for the current driver/filter.
=item * get_document_handler, get_content_handler, get_dtd_handler, get_lexical_handler, get_decl_handler,
get_error_handler, get_entity_resolver
These are just simple wrappers around the get_handler() method, and take no arguments. Internally
they simply call get_handler with the correct handler type name.
=back
It would be rather useless to describe all the methods that this
module implements here. They are all the methods supported in SAX1 and
SAX2. In case your memory is a little short, here is a list. The
apparent duplicates are there so that both versions of SAX can be
supported.
=over 4
=item * start_document
=item * end_document
=item * start_element
=item * start_document
=item * end_document
=item * start_element
=item * end_element
=item * characters
=item * processing_instruction
=item * ignorable_whitespace
=item * set_document_locator
=item * start_prefix_mapping
=item * end_prefix_mapping
=item * skipped_entity
=item * start_cdata
=item * end_cdata
=item * comment
=item * entity_reference
=item * notation_decl
=item * unparsed_entity_decl
=item * element_decl
=item * attlist_decl
=item * doctype_decl
=item * xml_decl
=item * entity_decl
=item * attribute_decl
=item * internal_entity_decl
=item * external_entity_decl
=item * resolve_entity
=item * start_dtd
=item * end_dtd
=item * start_entity
=item * end_entity
=item * warning
=item * error
=item * fatal_error
=back
=head1 TODO
- more tests
- conform to the "SAX Filters" and "Java and DOM compatibility"
sections of the SAX2 document.
=head1 AUTHOR
Kip Hampton (khampton@totalcinema.com) did most of the work, after porting
it from XML::Filter::Base.
Robin Berjon (robin@knowscape.com) pitched in with patches to make it
usable as a base for drivers as well as filters, along with other patches.
Matt Sergeant (matt@sergeant.org) wrote the original XML::Filter::Base,
and patched a few things here and there, and imported it into
the XML::SAX distribution.
=head1 SEE ALSO
L<XML::SAX>
=cut
FOOTER
return $code;
}
sub write_xml_sax_base {
confirm_forced_update();
my $path = File::Spec->catfile("lib", "XML", "SAX", "Base.pm");
save_original_xml_sax_base($path);
my $code = build_xml_sax_base();
$code = add_version_stanzas($code);
open my $fh, ">", $path or die "Cannot write $path: $!";
print $fh $code;
close $fh or die "Error writing $path: $!";
print "Wrote $path\n";
}
sub confirm_forced_update {
return if grep { $_ eq '--force' } @ARGV;
print <<'EOF';
*** WARNING ***
The BuildSAXBase.pl script is used to generate the lib/XML/SAX/Base.pm file.
However a pre-generated version of Base.pm is included in the distribution
so you do not need to run this script unless you intend to modify the code.
You must use the --force option to deliberately overwrite the distributed
version of lib/XML/SAX/Base.pm
EOF
exit;
}
sub save_original_xml_sax_base {
my($path) = @_;
return unless -e $path;
(my $save_path = $path) =~ s{Base}{Base-orig};
return if -e $save_path;
print "Saving $path to $save_path\n";
rename($path, $save_path);
}
sub add_version_stanzas {
my($code) = @_;
my $version = get_xml_sax_base_version();
$code =~ s<^(package\s+(\w[:\w]+).*?\n)>
<${1}BEGIN {\n \$${2}::VERSION = '$version';\n}\n>mg;
return $code;
}
sub get_xml_sax_base_version {
open my $fh, '<', 'dist.ini' or die "open(<dist.ini): $!";
while(<$fh>) {
m{^\s*version\s*=\s*(\S+)} && return $1;
}
die "Failed to find version in dist.ini";
}
PK �fl\�IWOkP kP perl5/5.32/XML/SAX/PurePerl.pmnu ��6�$ # $Id$
package XML::SAX::PurePerl;
use strict;
use vars qw/$VERSION/;
$VERSION = '1.02';
use XML::SAX::PurePerl::Productions qw($NameChar $SingleChar);
use XML::SAX::PurePerl::Reader;
use XML::SAX::PurePerl::EncodingDetect ();
use XML::SAX::Exception;
use XML::SAX::PurePerl::DocType ();
use XML::SAX::PurePerl::DTDDecls ();
use XML::SAX::PurePerl::XMLDecl ();
use XML::SAX::DocumentLocator ();
use XML::SAX::Base ();
use XML::SAX qw(Namespaces);
use XML::NamespaceSupport ();
use IO::File;
if ($] < 5.006) {
require XML::SAX::PurePerl::NoUnicodeExt;
}
else {
require XML::SAX::PurePerl::UnicodeExt;
}
use vars qw(@ISA);
@ISA = ('XML::SAX::Base');
my %int_ents = (
amp => '&',
lt => '<',
gt => '>',
quot => '"',
apos => "'",
);
my $xmlns_ns = "http://www.w3.org/2000/xmlns/";
my $xml_ns = "http://www.w3.org/XML/1998/namespace";
use Carp;
sub _parse_characterstream {
my $self = shift;
my ($fh) = @_;
confess("CharacterStream is not yet correctly implemented");
my $reader = XML::SAX::PurePerl::Reader::Stream->new($fh);
return $self->_parse($reader);
}
sub _parse_bytestream {
my $self = shift;
my ($fh) = @_;
my $reader = XML::SAX::PurePerl::Reader::Stream->new($fh);
return $self->_parse($reader);
}
sub _parse_string {
my $self = shift;
my ($str) = @_;
my $reader = XML::SAX::PurePerl::Reader::String->new($str);
return $self->_parse($reader);
}
sub _parse_systemid {
my $self = shift;
my ($uri) = @_;
my $reader = XML::SAX::PurePerl::Reader::URI->new($uri);
return $self->_parse($reader);
}
sub _parse {
my ($self, $reader) = @_;
$reader->public_id($self->{ParseOptions}{Source}{PublicId});
$reader->system_id($self->{ParseOptions}{Source}{SystemId});
$self->{NSHelper} = XML::NamespaceSupport->new({xmlns => 1});
$self->set_document_locator(
XML::SAX::DocumentLocator->new(
sub { $reader->public_id },
sub { $reader->system_id },
sub { $reader->line },
sub { $reader->column },
sub { $reader->get_encoding },
sub { $reader->get_xml_version },
),
);
$self->start_document({});
if (defined $self->{ParseOptions}{Source}{Encoding}) {
$reader->set_encoding($self->{ParseOptions}{Source}{Encoding});
}
else {
$self->encoding_detect($reader);
}
# parse a document
$self->document($reader);
return $self->end_document({});
}
sub parser_error {
my $self = shift;
my ($error, $reader) = @_;
# warn("parser error: $error from ", $reader->line, " : ", $reader->column, "\n");
my $exception = XML::SAX::Exception::Parse->new(
Message => $error,
ColumnNumber => $reader->column,
LineNumber => $reader->line,
PublicId => $reader->public_id,
SystemId => $reader->system_id,
);
$self->fatal_error($exception);
$exception->throw;
}
sub document {
my ($self, $reader) = @_;
# document ::= prolog element Misc*
$self->prolog($reader);
$self->element($reader) ||
$self->parser_error("Document requires an element", $reader);
while(length($reader->data)) {
$self->Misc($reader) ||
$self->parser_error("Only Comments, PIs and whitespace allowed at end of document", $reader);
}
}
sub prolog {
my ($self, $reader) = @_;
$self->XMLDecl($reader);
# consume all misc bits
1 while($self->Misc($reader));
if ($self->doctypedecl($reader)) {
while (length($reader->data)) {
$self->Misc($reader) || last;
}
}
}
sub element {
my ($self, $reader) = @_;
return 0 unless $reader->match('<');
my $name = $self->Name($reader) || $self->parser_error("Invalid element name", $reader);
my %attribs;
while( my ($k, $v) = $self->Attribute($reader) ) {
$attribs{$k} = $v;
}
my $have_namespaces = $self->get_feature(Namespaces);
# Namespace processing
$self->{NSHelper}->push_context;
my @new_ns;
# my %attrs = @attribs;
# while (my ($k,$v) = each %attrs) {
if ($have_namespaces) {
while ( my ($k, $v) = each %attribs ) {
if ($k =~ m/^xmlns(:(.*))?$/) {
my $prefix = $2 || '';
$self->{NSHelper}->declare_prefix($prefix, $v);
my $ns =
{
Prefix => $prefix,
NamespaceURI => $v,
};
push @new_ns, $ns;
$self->SUPER::start_prefix_mapping($ns);
}
}
}
# Create element object and fire event
my %attrib_hash;
while (my ($name, $value) = each %attribs ) {
# TODO normalise value here
my ($ns, $prefix, $lname);
if ($have_namespaces) {
($ns, $prefix, $lname) = $self->{NSHelper}->process_attribute_name($name);
}
$ns ||= ''; $prefix ||= ''; $lname ||= '';
$attrib_hash{"{$ns}$lname"} = {
Name => $name,
LocalName => $lname,
Prefix => $prefix,
NamespaceURI => $ns,
Value => $value,
};
}
%attribs = (); # lose the memory since we recurse deep
my ($ns, $prefix, $lname);
if ($self->get_feature(Namespaces)) {
($ns, $prefix, $lname) = $self->{NSHelper}->process_element_name($name);
}
else {
$lname = $name;
}
$ns ||= ''; $prefix ||= ''; $lname ||= '';
# Process remainder of start_element
$self->skip_whitespace($reader);
my $have_content;
my $data = $reader->data(2);
if ($data =~ /^\/>/) {
$reader->move_along(2);
}
else {
$data =~ /^>/ or $self->parser_error("No close element tag", $reader);
$reader->move_along(1);
$have_content++;
}
my $el =
{
Name => $name,
LocalName => $lname,
Prefix => $prefix,
NamespaceURI => $ns,
Attributes => \%attrib_hash,
};
$self->start_element($el);
# warn("($name\n");
if ($have_content) {
$self->content($reader);
my $data = $reader->data(2);
$data =~ /^<\// or $self->parser_error("No close tag marker", $reader);
$reader->move_along(2);
my $end_name = $self->Name($reader);
$end_name eq $name || $self->parser_error("End tag mismatch ($end_name != $name)", $reader);
$self->skip_whitespace($reader);
$reader->match('>') or $self->parser_error("No close '>' on end tag", $reader);
}
my %end_el = %$el;
delete $end_el{Attributes};
$self->end_element(\%end_el);
for my $ns (@new_ns) {
$self->end_prefix_mapping($ns);
}
$self->{NSHelper}->pop_context;
return 1;
}
sub content {
my ($self, $reader) = @_;
while (1) {
$self->CharData($reader);
my $data = $reader->data(2);
if ($data =~ /^<\//) {
return 1;
}
elsif ($data =~ /^&/) {
$self->Reference($reader) or $self->parser_error("bare & not allowed in content", $reader);
next;
}
elsif ($data =~ /^<!/) {
($self->CDSect($reader)
or
$self->Comment($reader))
and next;
}
elsif ($data =~ /^<\?/) {
$self->PI($reader) and next;
}
elsif ($data =~ /^</) {
$self->element($reader) and next;
}
last;
}
return 1;
}
sub CDSect {
my ($self, $reader) = @_;
my $data = $reader->data(9);
return 0 unless $data =~ /^<!\[CDATA\[/;
$reader->move_along(9);
$self->start_cdata({});
$data = $reader->data;
while (1) {
$self->parser_error("EOF looking for CDATA section end", $reader)
unless length($data);
if ($data =~ /^(.*?)\]\]>/s) {
my $chars = $1;
$reader->move_along(length($chars) + 3);
$self->characters({Data => $chars});
last;
}
else {
$self->characters({Data => $data});
$reader->move_along(length($data));
$data = $reader->data;
}
}
$self->end_cdata({});
return 1;
}
sub CharData {
my ($self, $reader) = @_;
my $data = $reader->data;
while (1) {
return unless length($data);
if ($data =~ /^([^<&]*)[<&]/s) {
my $chars = $1;
$self->parser_error("String ']]>' not allowed in character data", $reader)
if $chars =~ /\]\]>/;
$reader->move_along(length($chars));
$self->characters({Data => $chars}) if length($chars);
last;
}
else {
$self->characters({Data => $data});
$reader->move_along(length($data));
$data = $reader->data;
}
}
}
sub Misc {
my ($self, $reader) = @_;
if ($self->Comment($reader)) {
return 1;
}
elsif ($self->PI($reader)) {
return 1;
}
elsif ($self->skip_whitespace($reader)) {
return 1;
}
return 0;
}
sub Reference {
my ($self, $reader) = @_;
return 0 unless $reader->match('&');
my $data = $reader->data;
# Fetch more data if we have an incomplete numeric reference
if ($data =~ /^(#\d*|#x[0-9a-fA-F]*)$/) {
$data = $reader->data(length($data) + 6);
}
if ($data =~ /^#x([0-9a-fA-F]+);/) {
my $ref = $1;
$reader->move_along(length($ref) + 3);
my $char = chr_ref(hex($ref));
$self->parser_error("Character reference &#$ref; refers to an illegal XML character ($char)", $reader)
unless $char =~ /$SingleChar/o;
$self->characters({ Data => $char });
return 1;
}
elsif ($data =~ /^#([0-9]+);/) {
my $ref = $1;
$reader->move_along(length($ref) + 2);
my $char = chr_ref($ref);
$self->parser_error("Character reference &#$ref; refers to an illegal XML character ($char)", $reader)
unless $char =~ /$SingleChar/o;
$self->characters({ Data => $char });
return 1;
}
else {
# EntityRef
my $name = $self->Name($reader)
|| $self->parser_error("Invalid name in entity", $reader);
$reader->match(';') or $self->parser_error("No semi-colon found after entity name", $reader);
# warn("got entity: \&$name;\n");
# expand it
if ($self->_is_entity($name)) {
if ($self->_is_external($name)) {
my $value = $self->_get_entity($name);
my $ent_reader = XML::SAX::PurePerl::Reader::URI->new($value);
$self->encoding_detect($ent_reader);
$self->extParsedEnt($ent_reader);
}
else {
my $value = $self->_stringify_entity($name);
my $ent_reader = XML::SAX::PurePerl::Reader::String->new($value);
$self->content($ent_reader);
}
return 1;
}
elsif ($name =~ /^(?:amp|gt|lt|quot|apos)$/) {
$self->characters({ Data => $int_ents{$name} });
return 1;
}
else {
$self->parser_error("Undeclared entity", $reader);
}
}
}
sub AttReference {
my ($self, $name, $reader) = @_;
if ($name =~ /^#x([0-9a-fA-F]+)$/) {
my $chr = chr_ref(hex($1));
$chr =~ /$SingleChar/o or $self->parser_error("Character reference '&$name;' refers to an illegal XML character", $reader);
return $chr;
}
elsif ($name =~ /^#([0-9]+)$/) {
my $chr = chr_ref($1);
$chr =~ /$SingleChar/o or $self->parser_error("Character reference '&$name;' refers to an illegal XML character", $reader);
return $chr;
}
else {
if ($self->_is_entity($name)) {
if ($self->_is_external($name)) {
$self->parser_error("No external entity references allowed in attribute values", $reader);
}
else {
my $value = $self->_stringify_entity($name);
return $value;
}
}
elsif ($name =~ /^(?:amp|lt|gt|quot|apos)$/) {
return $int_ents{$name};
}
else {
$self->parser_error("Undeclared entity '$name'", $reader);
}
}
}
sub extParsedEnt {
my ($self, $reader) = @_;
$self->TextDecl($reader);
$self->content($reader);
}
sub _is_external {
my ($self, $name) = @_;
# TODO: Fix this to use $reader to store the entities perhaps.
if ($self->{ParseOptions}{external_entities}{$name}) {
return 1;
}
return ;
}
sub _is_entity {
my ($self, $name) = @_;
# TODO: ditto above
if (exists $self->{ParseOptions}{entities}{$name}) {
return 1;
}
return 0;
}
sub _stringify_entity {
my ($self, $name) = @_;
# TODO: ditto above
if (exists $self->{ParseOptions}{expanded_entity}{$name}) {
return $self->{ParseOptions}{expanded_entity}{$name};
}
# expand
my $reader = XML::SAX::PurePerl::Reader::URI->new($self->{ParseOptions}{entities}{$name});
my $ent = '';
while(1) {
my $data = $reader->data;
$ent .= $data;
$reader->move_along(length($data)) or last;
}
return $self->{ParseOptions}{expanded_entity}{$name} = $ent;
}
sub _get_entity {
my ($self, $name) = @_;
# TODO: ditto above
return $self->{ParseOptions}{entities}{$name};
}
sub skip_whitespace {
my ($self, $reader) = @_;
my $data = $reader->data;
my $found = 0;
while ($data =~ s/^([\x20\x0A\x0D\x09]*)//) {
last unless length($1);
$found++;
$reader->move_along(length($1));
$data = $reader->data;
}
return $found;
}
sub Attribute {
my ($self, $reader) = @_;
$self->skip_whitespace($reader) || return;
my $data = $reader->data(2);
return if $data =~ /^\/?>/;
if (my $name = $self->Name($reader)) {
$self->skip_whitespace($reader);
$reader->match('=') or $self->parser_error("No '=' in Attribute", $reader);
$self->skip_whitespace($reader);
my $value = $self->AttValue($reader);
if (!$self->cdata_attrib($name)) {
$value =~ s/^\x20*//; # discard leading spaces
$value =~ s/\x20*$//; # discard trailing spaces
$value =~ s/ {1,}/ /g; # all >1 space to single space
}
return $name, $value;
}
return;
}
sub cdata_attrib {
# TODO implement this!
return 1;
}
sub AttValue {
my ($self, $reader) = @_;
my $quote = $self->quote($reader);
my $value = '';
while (1) {
my $data = $reader->data;
$self->parser_error("EOF found while looking for the end of attribute value", $reader)
unless length($data);
if ($data =~ /^([^$quote]*)$quote/) {
$reader->move_along(length($1) + 1);
$value .= $1;
last;
}
else {
$value .= $data;
$reader->move_along(length($data));
}
}
if ($value =~ /</) {
$self->parser_error("< character not allowed in attribute values", $reader);
}
$value =~ s/[\x09\x0A\x0D]/\x20/g;
$value =~ s/&(#(x[0-9a-fA-F]+)|#([0-9]+)|\w+);/$self->AttReference($1, $reader)/geo;
return $value;
}
sub Comment {
my ($self, $reader) = @_;
my $data = $reader->data(4);
if ($data =~ /^<!--/) {
$reader->move_along(4);
my $comment_str = '';
while (1) {
my $data = $reader->data;
$self->parser_error("End of data seen while looking for close comment marker", $reader)
unless length($data);
if ($data =~ /^(.*?)-->/s) {
$comment_str .= $1;
$self->parser_error("Invalid comment (dash)", $reader) if $comment_str =~ /-$/;
$reader->move_along(length($1) + 3);
last;
}
else {
$comment_str .= $data;
$reader->move_along(length($data));
}
}
$self->comment({ Data => $comment_str });
return 1;
}
return 0;
}
sub PI {
my ($self, $reader) = @_;
my $data = $reader->data(2);
if ($data =~ /^<\?/) {
$reader->move_along(2);
my ($target);
$target = $self->Name($reader) ||
$self->parser_error("PI has no target", $reader);
my $pi_data = '';
if ($self->skip_whitespace($reader)) {
while (1) {
my $data = $reader->data;
$self->parser_error("End of data seen while looking for close PI marker", $reader)
unless length($data);
if ($data =~ /^(.*?)\?>/s) {
$pi_data .= $1;
$reader->move_along(length($1) + 2);
last;
}
else {
$pi_data .= $data;
$reader->move_along(length($data));
}
}
}
else {
my $data = $reader->data(2);
$data =~ /^\?>/ or $self->parser_error("PI closing sequence not found", $reader);
$reader->move_along(2);
}
$self->processing_instruction({ Target => $target, Data => $pi_data });
return 1;
}
return 0;
}
sub Name {
my ($self, $reader) = @_;
my $name = '';
while(1) {
my $data = $reader->data;
return unless length($data);
$data =~ /^([^\s>\/&\?;=<\)\(\[\],\%\#\!\*\|]*)/ or return;
$name .= $1;
my $len = length($1);
$reader->move_along($len);
last if ($len != length($data));
}
return unless length($name);
$name =~ /$NameChar/o or $self->parser_error("Name <$name> does not match NameChar production", $reader);
return $name;
}
sub quote {
my ($self, $reader) = @_;
my $data = $reader->data;
$data =~ /^(['"])/ or $self->parser_error("Invalid quote token", $reader);
$reader->move_along(1);
return $1;
}
1;
__END__
=head1 NAME
XML::SAX::PurePerl - Pure Perl XML Parser with SAX2 interface
=head1 SYNOPSIS
use XML::Handler::Foo;
use XML::SAX::PurePerl;
my $handler = XML::Handler::Foo->new();
my $parser = XML::SAX::PurePerl->new(Handler => $handler);
$parser->parse_uri("myfile.xml");
=head1 DESCRIPTION
This module implements an XML parser in pure perl. It is written around the
upcoming perl 5.8's unicode support and support for multiple document
encodings (using the PerlIO layer), however it has been ported to work with
ASCII/UTF8 documents under lower perl versions.
The SAX2 API is described in detail at http://sourceforge.net/projects/perl-xml/, in
the CVS archive, under libxml-perl/docs. Hopefully those documents will be in a
better location soon.
Please refer to the SAX2 documentation for how to use this module - it is merely a
front end to SAX2, and implements nothing that is not in that spec (or at least tries
not to - please email me if you find errors in this implementation).
=head1 BUGS
XML::SAX::PurePerl is B<slow>. Very slow. I suggest you use something else
in fact. However it is great as a fallback parser for XML::SAX, where the
user might not be able to install an XS based parser or C library.
Currently lots, probably. At the moment the weakest area is parsing DOCTYPE declarations,
though the code is in place to start doing this. Also parsing parameter entity
references is causing me much confusion, since it's not exactly what I would call
trivial, or well documented in the XML grammar. XML documents with internal subsets
are likely to fail.
I am however trying to work towards full conformance using the Oasis test suite.
=head1 AUTHOR
Matt Sergeant, matt@sergeant.org. Copyright 2001.
Please report all bugs to the Perl-XML mailing list at perl-xml@listserv.activestate.com.
=head1 LICENSE
This is free software. You may use it or redistribute it under the same terms as
Perl 5.7.2 itself.
=cut
PK �fl\G���� � perl5/5.32/XML/SAX/Base.pmnu ��6�$ package XML::SAX::Base;
$XML::SAX::Base::VERSION = '1.09';
# version 0.10 - Kip Hampton <khampton@totalcinema.com>
# version 0.13 - Robin Berjon <robin@knowscape.com>
# version 0.15 - Kip Hampton <khampton@totalcinema.com>
# version 0.17 - Kip Hampton <khampton@totalcinema.com>
# version 0.19 - Kip Hampton <khampton@totalcinema.com>
# version 0.21 - Kip Hampton <khampton@totalcinema.com>
# version 0.22 - Robin Berjon <robin@knowscape.com>
# version 0.23 - Matt Sergeant <matt@sergeant.org>
# version 0.24 - Robin Berjon <robin@knowscape.com>
# version 0.25 - Kip Hampton <khampton@totalcinema.com>
# version 1.00 - Kip Hampton <khampton@totalcinema.com>
# version 1.01 - Kip Hampton <khampton@totalcinema.com>
# version 1.02 - Robin Berjon <robin@knowscape.com>
# version 1.03 - Matt Sergeant <matt@sergeant.org>
# version 1.04 - Kip Hampton <khampton@totalcinema.com>
# version 1.05 - Grant McLean <grantm@cpan.org>
# version 1.06 - Grant McLean <grantm@cpan.org>
# version 1.07 - Grant McLean <grantm@cpan.org>
# version 1.08 - Grant McLean <grantm@cpan.org>
#-----------------------------------------------------#
# STOP!!!!!
#
# This file is generated by the 'BuildSAXBase.pl' file
# that ships with the XML::SAX::Base distribution.
# If you need to make changes, patch that file NOT
# XML/SAX/Base.pm Better yet, fork the git repository
# commit your changes and send a pull request:
# https://github.com/grantm/XML-SAX-Base
#-----------------------------------------------------#
use strict;
use XML::SAX::Exception qw();
sub end_entity {
my $self = shift;
if (defined $self->{Methods}->{'end_entity'}) {
$self->{Methods}->{'end_entity'}->(@_);
}
else {
my $method;
my $callbacks;
if (exists $self->{ParseOptions}) {
$callbacks = $self->{ParseOptions};
}
else {
$callbacks = $self;
}
if (0) { # dummy to make elsif's below compile
}
elsif (defined $callbacks->{'LexicalHandler'} and $method = $callbacks->{'LexicalHandler'}->can('end_entity') ) {
my $handler = $callbacks->{'LexicalHandler'};
$self->{Methods}->{'end_entity'} = sub { $method->($handler, @_) };
return $method->($handler, @_);
}
elsif (defined $callbacks->{'Handler'} and $method = $callbacks->{'Handler'}->can('end_entity') ) {
my $handler = $callbacks->{'Handler'};
$self->{Methods}->{'end_entity'} = sub { $method->($handler, @_) };
return $method->($handler, @_);
}
elsif (defined $callbacks->{'LexicalHandler'}
and $callbacks->{'LexicalHandler'}->can('AUTOLOAD')
and $callbacks->{'LexicalHandler'}->can('AUTOLOAD') ne (UNIVERSAL->can('AUTOLOAD') || '')
)
{
my $res = eval { $callbacks->{'LexicalHandler'}->end_entity(@_) };
if ($@) {
die $@;
}
else {
# I think there's a buggette here...
# if the first call throws an exception, we don't set it up right.
# Not fatal, but we might want to address it.
my $handler = $callbacks->{'LexicalHandler'};
$self->{Methods}->{'end_entity'} = sub { $handler->end_entity(@_) };
}
return $res;
}
elsif (defined $callbacks->{'Handler'}
and $callbacks->{'Handler'}->can('AUTOLOAD')
and $callbacks->{'Handler'}->can('AUTOLOAD') ne (UNIVERSAL->can('AUTOLOAD') || '')
)
{
my $res = eval { $callbacks->{'Handler'}->end_entity(@_) };
if ($@) {
die $@;
}
else {
# I think there's a buggette here...
# if the first call throws an exception, we don't set it up right.
# Not fatal, but we might want to address it.
my $handler = $callbacks->{'Handler'};
$self->{Methods}->{'end_entity'} = sub { $handler->end_entity(@_) };
}
return $res;
}
else {
$self->{Methods}->{'end_entity'} = sub { };
}
}
}
sub set_document_locator {
my $self = shift;
if (defined $self->{Methods}->{'set_document_locator'}) {
$self->{Methods}->{'set_document_locator'}->(@_);
}
else {
my $method;
my $callbacks;
if (exists $self->{ParseOptions}) {
$callbacks = $self->{ParseOptions};
}
else {
$callbacks = $self;
}
if (0) { # dummy to make elsif's below compile
}
elsif (defined $callbacks->{'ContentHandler'} and $method = $callbacks->{'ContentHandler'}->can('set_document_locator') ) {
my $handler = $callbacks->{'ContentHandler'};
$self->{Methods}->{'set_document_locator'} = sub { $method->($handler, @_) };
return $method->($handler, @_);
}
elsif (defined $callbacks->{'DocumentHandler'} and $method = $callbacks->{'DocumentHandler'}->can('set_document_locator') ) {
my $handler = $callbacks->{'DocumentHandler'};
$self->{Methods}->{'set_document_locator'} = sub { $method->($handler, @_) };
return $method->($handler, @_);
}
elsif (defined $callbacks->{'Handler'} and $method = $callbacks->{'Handler'}->can('set_document_locator') ) {
my $handler = $callbacks->{'Handler'};
$self->{Methods}->{'set_document_locator'} = sub { $method->($handler, @_) };
return $method->($handler, @_);
}
elsif (defined $callbacks->{'ContentHandler'}
and $callbacks->{'ContentHandler'}->can('AUTOLOAD')
and $callbacks->{'ContentHandler'}->can('AUTOLOAD') ne (UNIVERSAL->can('AUTOLOAD') || '')
)
{
my $res = eval { $callbacks->{'ContentHandler'}->set_document_locator(@_) };
if ($@) {
die $@;
}
else {
# I think there's a buggette here...
# if the first call throws an exception, we don't set it up right.
# Not fatal, but we might want to address it.
my $handler = $callbacks->{'ContentHandler'};
$self->{Methods}->{'set_document_locator'} = sub { $handler->set_document_locator(@_) };
}
return $res;
}
elsif (defined $callbacks->{'DocumentHandler'}
and $callbacks->{'DocumentHandler'}->can('AUTOLOAD')
and $callbacks->{'DocumentHandler'}->can('AUTOLOAD') ne (UNIVERSAL->can('AUTOLOAD') || '')
)
{
my $res = eval { $callbacks->{'DocumentHandler'}->set_document_locator(@_) };
if ($@) {
die $@;
}
else {
# I think there's a buggette here...
# if the first call throws an exception, we don't set it up right.
# Not fatal, but we might want to address it.
my $handler = $callbacks->{'DocumentHandler'};
$self->{Methods}->{'set_document_locator'} = sub { $handler->set_document_locator(@_) };
}
return $res;
}
elsif (defined $callbacks->{'Handler'}
and $callbacks->{'Handler'}->can('AUTOLOAD')
and $callbacks->{'Handler'}->can('AUTOLOAD') ne (UNIVERSAL->can('AUTOLOAD') || '')
)
{
my $res = eval { $callbacks->{'Handler'}->set_document_locator(@_) };
if ($@) {
die $@;
}
else {
# I think there's a buggette here...
# if the first call throws an exception, we don't set it up right.
# Not fatal, but we might want to address it.
my $handler = $callbacks->{'Handler'};
$self->{Methods}->{'set_document_locator'} = sub { $handler->set_document_locator(@_) };
}
return $res;
}
else {
$self->{Methods}->{'set_document_locator'} = sub { };
}
}
}
sub notation_decl {
my $self = shift;
if (defined $self->{Methods}->{'notation_decl'}) {
$self->{Methods}->{'notation_decl'}->(@_);
}
else {
my $method;
my $callbacks;
if (exists $self->{ParseOptions}) {
$callbacks = $self->{ParseOptions};
}
else {
$callbacks = $self;
}
if (0) { # dummy to make elsif's below compile
}
elsif (defined $callbacks->{'DTDHandler'} and $method = $callbacks->{'DTDHandler'}->can('notation_decl') ) {
my $handler = $callbacks->{'DTDHandler'};
$self->{Methods}->{'notation_decl'} = sub { $method->($handler, @_) };
return $method->($handler, @_);
}
elsif (defined $callbacks->{'Handler'} and $method = $callbacks->{'Handler'}->can('notation_decl') ) {
my $handler = $callbacks->{'Handler'};
$self->{Methods}->{'notation_decl'} = sub { $method->($handler, @_) };
return $method->($handler, @_);
}
elsif (defined $callbacks->{'DTDHandler'}
and $callbacks->{'DTDHandler'}->can('AUTOLOAD')
and $callbacks->{'DTDHandler'}->can('AUTOLOAD') ne (UNIVERSAL->can('AUTOLOAD') || '')
)
{
my $res = eval { $callbacks->{'DTDHandler'}->notation_decl(@_) };
if ($@) {
die $@;
}
else {
# I think there's a buggette here...
# if the first call throws an exception, we don't set it up right.
# Not fatal, but we might want to address it.
my $handler = $callbacks->{'DTDHandler'};
$self->{Methods}->{'notation_decl'} = sub { $handler->notation_decl(@_) };
}
return $res;
}
elsif (defined $callbacks->{'Handler'}
and $callbacks->{'Handler'}->can('AUTOLOAD')
and $callbacks->{'Handler'}->can('AUTOLOAD') ne (UNIVERSAL->can('AUTOLOAD') || '')
)
{
my $res = eval { $callbacks->{'Handler'}->notation_decl(@_) };
if ($@) {
die $@;
}
else {
# I think there's a buggette here...
# if the first call throws an exception, we don't set it up right.
# Not fatal, but we might want to address it.
my $handler = $callbacks->{'Handler'};
$self->{Methods}->{'notation_decl'} = sub { $handler->notation_decl(@_) };
}
return $res;
}
else {
$self->{Methods}->{'notation_decl'} = sub { };
}
}
}
sub attlist_decl {
my $self = shift;
if (defined $self->{Methods}->{'attlist_decl'}) {
$self->{Methods}->{'attlist_decl'}->(@_);
}
else {
my $method;
my $callbacks;
if (exists $self->{ParseOptions}) {
$callbacks = $self->{ParseOptions};
}
else {
$callbacks = $self;
}
if (0) { # dummy to make elsif's below compile
}
elsif (defined $callbacks->{'DTDHandler'} and $method = $callbacks->{'DTDHandler'}->can('attlist_decl') ) {
my $handler = $callbacks->{'DTDHandler'};
$self->{Methods}->{'attlist_decl'} = sub { $method->($handler, @_) };
return $method->($handler, @_);
}
elsif (defined $callbacks->{'Handler'} and $method = $callbacks->{'Handler'}->can('attlist_decl') ) {
my $handler = $callbacks->{'Handler'};
$self->{Methods}->{'attlist_decl'} = sub { $method->($handler, @_) };
return $method->($handler, @_);
}
elsif (defined $callbacks->{'DTDHandler'}
and $callbacks->{'DTDHandler'}->can('AUTOLOAD')
and $callbacks->{'DTDHandler'}->can('AUTOLOAD') ne (UNIVERSAL->can('AUTOLOAD') || '')
)
{
my $res = eval { $callbacks->{'DTDHandler'}->attlist_decl(@_) };
if ($@) {
die $@;
}
else {
# I think there's a buggette here...
# if the first call throws an exception, we don't set it up right.
# Not fatal, but we might want to address it.
my $handler = $callbacks->{'DTDHandler'};
$self->{Methods}->{'attlist_decl'} = sub { $handler->attlist_decl(@_) };
}
return $res;
}
elsif (defined $callbacks->{'Handler'}
and $callbacks->{'Handler'}->can('AUTOLOAD')
and $callbacks->{'Handler'}->can('AUTOLOAD') ne (UNIVERSAL->can('AUTOLOAD') || '')
)
{
my $res = eval { $callbacks->{'Handler'}->attlist_decl(@_) };
if ($@) {
die $@;
}
else {
# I think there's a buggette here...
# if the first call throws an exception, we don't set it up right.
# Not fatal, but we might want to address it.
my $handler = $callbacks->{'Handler'};
$self->{Methods}->{'attlist_decl'} = sub { $handler->attlist_decl(@_) };
}
return $res;
}
else {
$self->{Methods}->{'attlist_decl'} = sub { };
}
}
}
sub fatal_error {
my $self = shift;
if (defined $self->{Methods}->{'fatal_error'}) {
$self->{Methods}->{'fatal_error'}->(@_);
}
else {
my $method;
my $callbacks;
if (exists $self->{ParseOptions}) {
$callbacks = $self->{ParseOptions};
}
else {
$callbacks = $self;
}
if (0) { # dummy to make elsif's below compile
}
elsif (defined $callbacks->{'ErrorHandler'} and $method = $callbacks->{'ErrorHandler'}->can('fatal_error') ) {
my $handler = $callbacks->{'ErrorHandler'};
$self->{Methods}->{'fatal_error'} = sub { $method->($handler, @_) };
return $method->($handler, @_);
}
elsif (defined $callbacks->{'Handler'} and $method = $callbacks->{'Handler'}->can('fatal_error') ) {
my $handler = $callbacks->{'Handler'};
$self->{Methods}->{'fatal_error'} = sub { $method->($handler, @_) };
return $method->($handler, @_);
}
elsif (defined $callbacks->{'ErrorHandler'}
and $callbacks->{'ErrorHandler'}->can('AUTOLOAD')
and $callbacks->{'ErrorHandler'}->can('AUTOLOAD') ne (UNIVERSAL->can('AUTOLOAD') || '')
)
{
my $res = eval { $callbacks->{'ErrorHandler'}->fatal_error(@_) };
if ($@) {
die $@;
}
else {
# I think there's a buggette here...
# if the first call throws an exception, we don't set it up right.
# Not fatal, but we might want to address it.
my $handler = $callbacks->{'ErrorHandler'};
$self->{Methods}->{'fatal_error'} = sub { $handler->fatal_error(@_) };
}
return $res;
}
elsif (defined $callbacks->{'Handler'}
and $callbacks->{'Handler'}->can('AUTOLOAD')
and $callbacks->{'Handler'}->can('AUTOLOAD') ne (UNIVERSAL->can('AUTOLOAD') || '')
)
{
my $res = eval { $callbacks->{'Handler'}->fatal_error(@_) };
if ($@) {
die $@;
}
else {
# I think there's a buggette here...
# if the first call throws an exception, we don't set it up right.
# Not fatal, but we might want to address it.
my $handler = $callbacks->{'Handler'};
$self->{Methods}->{'fatal_error'} = sub { $handler->fatal_error(@_) };
}
return $res;
}
else {
$self->{Methods}->{'fatal_error'} = sub { };
}
}
}
sub start_document {
my $self = shift;
if (defined $self->{Methods}->{'start_document'}) {
$self->{Methods}->{'start_document'}->(@_);
}
else {
my $method;
my $callbacks;
if (exists $self->{ParseOptions}) {
$callbacks = $self->{ParseOptions};
}
else {
$callbacks = $self;
}
if (0) { # dummy to make elsif's below compile
}
elsif (defined $callbacks->{'ContentHandler'} and $method = $callbacks->{'ContentHandler'}->can('start_document') ) {
my $handler = $callbacks->{'ContentHandler'};
$self->{Methods}->{'start_document'} = sub { $method->($handler, @_) };
return $method->($handler, @_);
}
elsif (defined $callbacks->{'DocumentHandler'} and $method = $callbacks->{'DocumentHandler'}->can('start_document') ) {
my $handler = $callbacks->{'DocumentHandler'};
$self->{Methods}->{'start_document'} = sub { $method->($handler, @_) };
return $method->($handler, @_);
}
elsif (defined $callbacks->{'Handler'} and $method = $callbacks->{'Handler'}->can('start_document') ) {
my $handler = $callbacks->{'Handler'};
$self->{Methods}->{'start_document'} = sub { $method->($handler, @_) };
return $method->($handler, @_);
}
elsif (defined $callbacks->{'ContentHandler'}
and $callbacks->{'ContentHandler'}->can('AUTOLOAD')
and $callbacks->{'ContentHandler'}->can('AUTOLOAD') ne (UNIVERSAL->can('AUTOLOAD') || '')
)
{
my $res = eval { $callbacks->{'ContentHandler'}->start_document(@_) };
if ($@) {
die $@;
}
else {
# I think there's a buggette here...
# if the first call throws an exception, we don't set it up right.
# Not fatal, but we might want to address it.
my $handler = $callbacks->{'ContentHandler'};
$self->{Methods}->{'start_document'} = sub { $handler->start_document(@_) };
}
return $res;
}
elsif (defined $callbacks->{'DocumentHandler'}
and $callbacks->{'DocumentHandler'}->can('AUTOLOAD')
and $callbacks->{'DocumentHandler'}->can('AUTOLOAD') ne (UNIVERSAL->can('AUTOLOAD') || '')
)
{
my $res = eval { $callbacks->{'DocumentHandler'}->start_document(@_) };
if ($@) {
die $@;
}
else {
# I think there's a buggette here...
# if the first call throws an exception, we don't set it up right.
# Not fatal, but we might want to address it.
my $handler = $callbacks->{'DocumentHandler'};
$self->{Methods}->{'start_document'} = sub { $handler->start_document(@_) };
}
return $res;
}
elsif (defined $callbacks->{'Handler'}
and $callbacks->{'Handler'}->can('AUTOLOAD')
and $callbacks->{'Handler'}->can('AUTOLOAD') ne (UNIVERSAL->can('AUTOLOAD') || '')
)
{
my $res = eval { $callbacks->{'Handler'}->start_document(@_) };
if ($@) {
die $@;
}
else {
# I think there's a buggette here...
# if the first call throws an exception, we don't set it up right.
# Not fatal, but we might want to address it.
my $handler = $callbacks->{'Handler'};
$self->{Methods}->{'start_document'} = sub { $handler->start_document(@_) };
}
return $res;
}
else {
$self->{Methods}->{'start_document'} = sub { };
}
}
}
sub warning {
my $self = shift;
if (defined $self->{Methods}->{'warning'}) {
$self->{Methods}->{'warning'}->(@_);
}
else {
my $method;
my $callbacks;
if (exists $self->{ParseOptions}) {
$callbacks = $self->{ParseOptions};
}
else {
$callbacks = $self;
}
if (0) { # dummy to make elsif's below compile
}
elsif (defined $callbacks->{'ErrorHandler'} and $method = $callbacks->{'ErrorHandler'}->can('warning') ) {
my $handler = $callbacks->{'ErrorHandler'};
$self->{Methods}->{'warning'} = sub { $method->($handler, @_) };
return $method->($handler, @_);
}
elsif (defined $callbacks->{'Handler'} and $method = $callbacks->{'Handler'}->can('warning') ) {
my $handler = $callbacks->{'Handler'};
$self->{Methods}->{'warning'} = sub { $method->($handler, @_) };
return $method->($handler, @_);
}
elsif (defined $callbacks->{'ErrorHandler'}
and $callbacks->{'ErrorHandler'}->can('AUTOLOAD')
and $callbacks->{'ErrorHandler'}->can('AUTOLOAD') ne (UNIVERSAL->can('AUTOLOAD') || '')
)
{
my $res = eval { $callbacks->{'ErrorHandler'}->warning(@_) };
if ($@) {
die $@;
}
else {
# I think there's a buggette here...
# if the first call throws an exception, we don't set it up right.
# Not fatal, but we might want to address it.
my $handler = $callbacks->{'ErrorHandler'};
$self->{Methods}->{'warning'} = sub { $handler->warning(@_) };
}
return $res;
}
elsif (defined $callbacks->{'Handler'}
and $callbacks->{'Handler'}->can('AUTOLOAD')
and $callbacks->{'Handler'}->can('AUTOLOAD') ne (UNIVERSAL->can('AUTOLOAD') || '')
)
{
my $res = eval { $callbacks->{'Handler'}->warning(@_) };
if ($@) {
die $@;
}
else {
# I think there's a buggette here...
# if the first call throws an exception, we don't set it up right.
# Not fatal, but we might want to address it.
my $handler = $callbacks->{'Handler'};
$self->{Methods}->{'warning'} = sub { $handler->warning(@_) };
}
return $res;
}
else {
$self->{Methods}->{'warning'} = sub { };
}
}
}
sub ignorable_whitespace {
my $self = shift;
if (defined $self->{Methods}->{'ignorable_whitespace'}) {
$self->{Methods}->{'ignorable_whitespace'}->(@_);
}
else {
my $method;
my $callbacks;
if (exists $self->{ParseOptions}) {
$callbacks = $self->{ParseOptions};
}
else {
$callbacks = $self;
}
if (0) { # dummy to make elsif's below compile
}
elsif (defined $callbacks->{'ContentHandler'} and $method = $callbacks->{'ContentHandler'}->can('ignorable_whitespace') ) {
my $handler = $callbacks->{'ContentHandler'};
$self->{Methods}->{'ignorable_whitespace'} = sub { $method->($handler, @_) };
return $method->($handler, @_);
}
elsif (defined $callbacks->{'DocumentHandler'} and $method = $callbacks->{'DocumentHandler'}->can('ignorable_whitespace') ) {
my $handler = $callbacks->{'DocumentHandler'};
$self->{Methods}->{'ignorable_whitespace'} = sub { $method->($handler, @_) };
return $method->($handler, @_);
}
elsif (defined $callbacks->{'Handler'} and $method = $callbacks->{'Handler'}->can('ignorable_whitespace') ) {
my $handler = $callbacks->{'Handler'};
$self->{Methods}->{'ignorable_whitespace'} = sub { $method->($handler, @_) };
return $method->($handler, @_);
}
elsif (defined $callbacks->{'ContentHandler'}
and $callbacks->{'ContentHandler'}->can('AUTOLOAD')
and $callbacks->{'ContentHandler'}->can('AUTOLOAD') ne (UNIVERSAL->can('AUTOLOAD') || '')
)
{
my $res = eval { $callbacks->{'ContentHandler'}->ignorable_whitespace(@_) };
if ($@) {
die $@;
}
else {
# I think there's a buggette here...
# if the first call throws an exception, we don't set it up right.
# Not fatal, but we might want to address it.
my $handler = $callbacks->{'ContentHandler'};
$self->{Methods}->{'ignorable_whitespace'} = sub { $handler->ignorable_whitespace(@_) };
}
return $res;
}
elsif (defined $callbacks->{'DocumentHandler'}
and $callbacks->{'DocumentHandler'}->can('AUTOLOAD')
and $callbacks->{'DocumentHandler'}->can('AUTOLOAD') ne (UNIVERSAL->can('AUTOLOAD') || '')
)
{
my $res = eval { $callbacks->{'DocumentHandler'}->ignorable_whitespace(@_) };
if ($@) {
die $@;
}
else {
# I think there's a buggette here...
# if the first call throws an exception, we don't set it up right.
# Not fatal, but we might want to address it.
my $handler = $callbacks->{'DocumentHandler'};
$self->{Methods}->{'ignorable_whitespace'} = sub { $handler->ignorable_whitespace(@_) };
}
return $res;
}
elsif (defined $callbacks->{'Handler'}
and $callbacks->{'Handler'}->can('AUTOLOAD')
and $callbacks->{'Handler'}->can('AUTOLOAD') ne (UNIVERSAL->can('AUTOLOAD') || '')
)
{
my $res = eval { $callbacks->{'Handler'}->ignorable_whitespace(@_) };
if ($@) {
die $@;
}
else {
# I think there's a buggette here...
# if the first call throws an exception, we don't set it up right.
# Not fatal, but we might want to address it.
my $handler = $callbacks->{'Handler'};
$self->{Methods}->{'ignorable_whitespace'} = sub { $handler->ignorable_whitespace(@_) };
}
return $res;
}
else {
$self->{Methods}->{'ignorable_whitespace'} = sub { };
}
}
}
sub resolve_entity {
my $self = shift;
if (defined $self->{Methods}->{'resolve_entity'}) {
$self->{Methods}->{'resolve_entity'}->(@_);
}
else {
my $method;
my $callbacks;
if (exists $self->{ParseOptions}) {
$callbacks = $self->{ParseOptions};
}
else {
$callbacks = $self;
}
if (0) { # dummy to make elsif's below compile
}
elsif (defined $callbacks->{'EntityResolver'} and $method = $callbacks->{'EntityResolver'}->can('resolve_entity') ) {
my $handler = $callbacks->{'EntityResolver'};
$self->{Methods}->{'resolve_entity'} = sub { $method->($handler, @_) };
return $method->($handler, @_);
}
elsif (defined $callbacks->{'Handler'} and $method = $callbacks->{'Handler'}->can('resolve_entity') ) {
my $handler = $callbacks->{'Handler'};
$self->{Methods}->{'resolve_entity'} = sub { $method->($handler, @_) };
return $method->($handler, @_);
}
elsif (defined $callbacks->{'EntityResolver'}
and $callbacks->{'EntityResolver'}->can('AUTOLOAD')
and $callbacks->{'EntityResolver'}->can('AUTOLOAD') ne (UNIVERSAL->can('AUTOLOAD') || '')
)
{
my $res = eval { $callbacks->{'EntityResolver'}->resolve_entity(@_) };
if ($@) {
die $@;
}
else {
# I think there's a buggette here...
# if the first call throws an exception, we don't set it up right.
# Not fatal, but we might want to address it.
my $handler = $callbacks->{'EntityResolver'};
$self->{Methods}->{'resolve_entity'} = sub { $handler->resolve_entity(@_) };
}
return $res;
}
elsif (defined $callbacks->{'Handler'}
and $callbacks->{'Handler'}->can('AUTOLOAD')
and $callbacks->{'Handler'}->can('AUTOLOAD') ne (UNIVERSAL->can('AUTOLOAD') || '')
)
{
my $res = eval { $callbacks->{'Handler'}->resolve_entity(@_) };
if ($@) {
die $@;
}
else {
# I think there's a buggette here...
# if the first call throws an exception, we don't set it up right.
# Not fatal, but we might want to address it.
my $handler = $callbacks->{'Handler'};
$self->{Methods}->{'resolve_entity'} = sub { $handler->resolve_entity(@_) };
}
return $res;
}
else {
$self->{Methods}->{'resolve_entity'} = sub { };
}
}
}
sub external_entity_decl {
my $self = shift;
if (defined $self->{Methods}->{'external_entity_decl'}) {
$self->{Methods}->{'external_entity_decl'}->(@_);
}
else {
my $method;
my $callbacks;
if (exists $self->{ParseOptions}) {
$callbacks = $self->{ParseOptions};
}
else {
$callbacks = $self;
}
if (0) { # dummy to make elsif's below compile
}
elsif (defined $callbacks->{'DeclHandler'} and $method = $callbacks->{'DeclHandler'}->can('external_entity_decl') ) {
my $handler = $callbacks->{'DeclHandler'};
$self->{Methods}->{'external_entity_decl'} = sub { $method->($handler, @_) };
return $method->($handler, @_);
}
elsif (defined $callbacks->{'Handler'} and $method = $callbacks->{'Handler'}->can('external_entity_decl') ) {
my $handler = $callbacks->{'Handler'};
$self->{Methods}->{'external_entity_decl'} = sub { $method->($handler, @_) };
return $method->($handler, @_);
}
elsif (defined $callbacks->{'DeclHandler'}
and $callbacks->{'DeclHandler'}->can('AUTOLOAD')
and $callbacks->{'DeclHandler'}->can('AUTOLOAD') ne (UNIVERSAL->can('AUTOLOAD') || '')
)
{
my $res = eval { $callbacks->{'DeclHandler'}->external_entity_decl(@_) };
if ($@) {
die $@;
}
else {
# I think there's a buggette here...
# if the first call throws an exception, we don't set it up right.
# Not fatal, but we might want to address it.
my $handler = $callbacks->{'DeclHandler'};
$self->{Methods}->{'external_entity_decl'} = sub { $handler->external_entity_decl(@_) };
}
return $res;
}
elsif (defined $callbacks->{'Handler'}
and $callbacks->{'Handler'}->can('AUTOLOAD')
and $callbacks->{'Handler'}->can('AUTOLOAD') ne (UNIVERSAL->can('AUTOLOAD') || '')
)
{
my $res = eval { $callbacks->{'Handler'}->external_entity_decl(@_) };
if ($@) {
die $@;
}
else {
# I think there's a buggette here...
# if the first call throws an exception, we don't set it up right.
# Not fatal, but we might want to address it.
my $handler = $callbacks->{'Handler'};
$self->{Methods}->{'external_entity_decl'} = sub { $handler->external_entity_decl(@_) };
}
return $res;
}
else {
$self->{Methods}->{'external_entity_decl'} = sub { };
}
}
}
sub entity_reference {
my $self = shift;
if (defined $self->{Methods}->{'entity_reference'}) {
$self->{Methods}->{'entity_reference'}->(@_);
}
else {
my $method;
my $callbacks;
if (exists $self->{ParseOptions}) {
$callbacks = $self->{ParseOptions};
}
else {
$callbacks = $self;
}
if (0) { # dummy to make elsif's below compile
}
elsif (defined $callbacks->{'DocumentHandler'} and $method = $callbacks->{'DocumentHandler'}->can('entity_reference') ) {
my $handler = $callbacks->{'DocumentHandler'};
$self->{Methods}->{'entity_reference'} = sub { $method->($handler, @_) };
return $method->($handler, @_);
}
elsif (defined $callbacks->{'Handler'} and $method = $callbacks->{'Handler'}->can('entity_reference') ) {
my $handler = $callbacks->{'Handler'};
$self->{Methods}->{'entity_reference'} = sub { $method->($handler, @_) };
return $method->($handler, @_);
}
elsif (defined $callbacks->{'DocumentHandler'}
and $callbacks->{'DocumentHandler'}->can('AUTOLOAD')
and $callbacks->{'DocumentHandler'}->can('AUTOLOAD') ne (UNIVERSAL->can('AUTOLOAD') || '')
)
{
my $res = eval { $callbacks->{'DocumentHandler'}->entity_reference(@_) };
if ($@) {
die $@;
}
else {
# I think there's a buggette here...
# if the first call throws an exception, we don't set it up right.
# Not fatal, but we might want to address it.
my $handler = $callbacks->{'DocumentHandler'};
$self->{Methods}->{'entity_reference'} = sub { $handler->entity_reference(@_) };
}
return $res;
}
elsif (defined $callbacks->{'Handler'}
and $callbacks->{'Handler'}->can('AUTOLOAD')
and $callbacks->{'Handler'}->can('AUTOLOAD') ne (UNIVERSAL->can('AUTOLOAD') || '')
)
{
my $res = eval { $callbacks->{'Handler'}->entity_reference(@_) };
if ($@) {
die $@;
}
else {
# I think there's a buggette here...
# if the first call throws an exception, we don't set it up right.
# Not fatal, but we might want to address it.
my $handler = $callbacks->{'Handler'};
$self->{Methods}->{'entity_reference'} = sub { $handler->entity_reference(@_) };
}
return $res;
}
else {
$self->{Methods}->{'entity_reference'} = sub { };
}
}
}
sub start_entity {
my $self = shift;
if (defined $self->{Methods}->{'start_entity'}) {
$self->{Methods}->{'start_entity'}->(@_);
}
else {
my $method;
my $callbacks;
if (exists $self->{ParseOptions}) {
$callbacks = $self->{ParseOptions};
}
else {
$callbacks = $self;
}
if (0) { # dummy to make elsif's below compile
}
elsif (defined $callbacks->{'LexicalHandler'} and $method = $callbacks->{'LexicalHandler'}->can('start_entity') ) {
my $handler = $callbacks->{'LexicalHandler'};
$self->{Methods}->{'start_entity'} = sub { $method->($handler, @_) };
return $method->($handler, @_);
}
elsif (defined $callbacks->{'Handler'} and $method = $callbacks->{'Handler'}->can('start_entity') ) {
my $handler = $callbacks->{'Handler'};
$self->{Methods}->{'start_entity'} = sub { $method->($handler, @_) };
return $method->($handler, @_);
}
elsif (defined $callbacks->{'LexicalHandler'}
and $callbacks->{'LexicalHandler'}->can('AUTOLOAD')
and $callbacks->{'LexicalHandler'}->can('AUTOLOAD') ne (UNIVERSAL->can('AUTOLOAD') || '')
)
{
my $res = eval { $callbacks->{'LexicalHandler'}->start_entity(@_) };
if ($@) {
die $@;
}
else {
# I think there's a buggette here...
# if the first call throws an exception, we don't set it up right.
# Not fatal, but we might want to address it.
my $handler = $callbacks->{'LexicalHandler'};
$self->{Methods}->{'start_entity'} = sub { $handler->start_entity(@_) };
}
return $res;
}
elsif (defined $callbacks->{'Handler'}
and $callbacks->{'Handler'}->can('AUTOLOAD')
and $callbacks->{'Handler'}->can('AUTOLOAD') ne (UNIVERSAL->can('AUTOLOAD') || '')
)
{
my $res = eval { $callbacks->{'Handler'}->start_entity(@_) };
if ($@) {
die $@;
}
else {
# I think there's a buggette here...
# if the first call throws an exception, we don't set it up right.
# Not fatal, but we might want to address it.
my $handler = $callbacks->{'Handler'};
$self->{Methods}->{'start_entity'} = sub { $handler->start_entity(@_) };
}
return $res;
}
else {
$self->{Methods}->{'start_entity'} = sub { };
}
}
}
sub end_dtd {
my $self = shift;
if (defined $self->{Methods}->{'end_dtd'}) {
$self->{Methods}->{'end_dtd'}->(@_);
}
else {
my $method;
my $callbacks;
if (exists $self->{ParseOptions}) {
$callbacks = $self->{ParseOptions};
}
else {
$callbacks = $self;
}
if (0) { # dummy to make elsif's below compile
}
elsif (defined $callbacks->{'LexicalHandler'} and $method = $callbacks->{'LexicalHandler'}->can('end_dtd') ) {
my $handler = $callbacks->{'LexicalHandler'};
$self->{Methods}->{'end_dtd'} = sub { $method->($handler, @_) };
return $method->($handler, @_);
}
elsif (defined $callbacks->{'Handler'} and $method = $callbacks->{'Handler'}->can('end_dtd') ) {
my $handler = $callbacks->{'Handler'};
$self->{Methods}->{'end_dtd'} = sub { $method->($handler, @_) };
return $method->($handler, @_);
}
elsif (defined $callbacks->{'LexicalHandler'}
and $callbacks->{'LexicalHandler'}->can('AUTOLOAD')
and $callbacks->{'LexicalHandler'}->can('AUTOLOAD') ne (UNIVERSAL->can('AUTOLOAD') || '')
)
{
my $res = eval { $callbacks->{'LexicalHandler'}->end_dtd(@_) };
if ($@) {
die $@;
}
else {
# I think there's a buggette here...
# if the first call throws an exception, we don't set it up right.
# Not fatal, but we might want to address it.
my $handler = $callbacks->{'LexicalHandler'};
$self->{Methods}->{'end_dtd'} = sub { $handler->end_dtd(@_) };
}
return $res;
}
elsif (defined $callbacks->{'Handler'}
and $callbacks->{'Handler'}->can('AUTOLOAD')
and $callbacks->{'Handler'}->can('AUTOLOAD') ne (UNIVERSAL->can('AUTOLOAD') || '')
)
{
my $res = eval { $callbacks->{'Handler'}->end_dtd(@_) };
if ($@) {
die $@;
}
else {
# I think there's a buggette here...
# if the first call throws an exception, we don't set it up right.
# Not fatal, but we might want to address it.
my $handler = $callbacks->{'Handler'};
$self->{Methods}->{'end_dtd'} = sub { $handler->end_dtd(@_) };
}
return $res;
}
else {
$self->{Methods}->{'end_dtd'} = sub { };
}
}
}
sub element_decl {
my $self = shift;
if (defined $self->{Methods}->{'element_decl'}) {
$self->{Methods}->{'element_decl'}->(@_);
}
else {
my $method;
my $callbacks;
if (exists $self->{ParseOptions}) {
$callbacks = $self->{ParseOptions};
}
else {
$callbacks = $self;
}
if (0) { # dummy to make elsif's below compile
}
elsif (defined $callbacks->{'DeclHandler'} and $method = $callbacks->{'DeclHandler'}->can('element_decl') ) {
my $handler = $callbacks->{'DeclHandler'};
$self->{Methods}->{'element_decl'} = sub { $method->($handler, @_) };
return $method->($handler, @_);
}
elsif (defined $callbacks->{'Handler'} and $method = $callbacks->{'Handler'}->can('element_decl') ) {
my $handler = $callbacks->{'Handler'};
$self->{Methods}->{'element_decl'} = sub { $method->($handler, @_) };
return $method->($handler, @_);
}
elsif (defined $callbacks->{'DeclHandler'}
and $callbacks->{'DeclHandler'}->can('AUTOLOAD')
and $callbacks->{'DeclHandler'}->can('AUTOLOAD') ne (UNIVERSAL->can('AUTOLOAD') || '')
)
{
my $res = eval { $callbacks->{'DeclHandler'}->element_decl(@_) };
if ($@) {
die $@;
}
else {
# I think there's a buggette here...
# if the first call throws an exception, we don't set it up right.
# Not fatal, but we might want to address it.
my $handler = $callbacks->{'DeclHandler'};
$self->{Methods}->{'element_decl'} = sub { $handler->element_decl(@_) };
}
return $res;
}
elsif (defined $callbacks->{'Handler'}
and $callbacks->{'Handler'}->can('AUTOLOAD')
and $callbacks->{'Handler'}->can('AUTOLOAD') ne (UNIVERSAL->can('AUTOLOAD') || '')
)
{
my $res = eval { $callbacks->{'Handler'}->element_decl(@_) };
if ($@) {
die $@;
}
else {
# I think there's a buggette here...
# if the first call throws an exception, we don't set it up right.
# Not fatal, but we might want to address it.
my $handler = $callbacks->{'Handler'};
$self->{Methods}->{'element_decl'} = sub { $handler->element_decl(@_) };
}
return $res;
}
else {
$self->{Methods}->{'element_decl'} = sub { };
}
}
}
sub start_element {
my $self = shift;
if (defined $self->{Methods}->{'start_element'}) {
$self->{Methods}->{'start_element'}->(@_);
}
else {
my $method;
my $callbacks;
if (exists $self->{ParseOptions}) {
$callbacks = $self->{ParseOptions};
}
else {
$callbacks = $self;
}
if (0) { # dummy to make elsif's below compile
}
elsif (defined $callbacks->{'ContentHandler'} and $method = $callbacks->{'ContentHandler'}->can('start_element') ) {
my $handler = $callbacks->{'ContentHandler'};
$self->{Methods}->{'start_element'} = sub { $method->($handler, @_) };
return $method->($handler, @_);
}
elsif (defined $callbacks->{'DocumentHandler'} and $method = $callbacks->{'DocumentHandler'}->can('start_element') ) {
my $handler = $callbacks->{'DocumentHandler'};
$self->{Methods}->{'start_element'} = sub { $method->($handler, @_) };
return $method->($handler, @_);
}
elsif (defined $callbacks->{'Handler'} and $method = $callbacks->{'Handler'}->can('start_element') ) {
my $handler = $callbacks->{'Handler'};
$self->{Methods}->{'start_element'} = sub { $method->($handler, @_) };
return $method->($handler, @_);
}
elsif (defined $callbacks->{'ContentHandler'}
and $callbacks->{'ContentHandler'}->can('AUTOLOAD')
and $callbacks->{'ContentHandler'}->can('AUTOLOAD') ne (UNIVERSAL->can('AUTOLOAD') || '')
)
{
my $res = eval { $callbacks->{'ContentHandler'}->start_element(@_) };
if ($@) {
die $@;
}
else {
# I think there's a buggette here...
# if the first call throws an exception, we don't set it up right.
# Not fatal, but we might want to address it.
my $handler = $callbacks->{'ContentHandler'};
$self->{Methods}->{'start_element'} = sub { $handler->start_element(@_) };
}
return $res;
}
elsif (defined $callbacks->{'DocumentHandler'}
and $callbacks->{'DocumentHandler'}->can('AUTOLOAD')
and $callbacks->{'DocumentHandler'}->can('AUTOLOAD') ne (UNIVERSAL->can('AUTOLOAD') || '')
)
{
my $res = eval { $callbacks->{'DocumentHandler'}->start_element(@_) };
if ($@) {
die $@;
}
else {
# I think there's a buggette here...
# if the first call throws an exception, we don't set it up right.
# Not fatal, but we might want to address it.
my $handler = $callbacks->{'DocumentHandler'};
$self->{Methods}->{'start_element'} = sub { $handler->start_element(@_) };
}
return $res;
}
elsif (defined $callbacks->{'Handler'}
and $callbacks->{'Handler'}->can('AUTOLOAD')
and $callbacks->{'Handler'}->can('AUTOLOAD') ne (UNIVERSAL->can('AUTOLOAD') || '')
)
{
my $res = eval { $callbacks->{'Handler'}->start_element(@_) };
if ($@) {
die $@;
}
else {
# I think there's a buggette here...
# if the first call throws an exception, we don't set it up right.
# Not fatal, but we might want to address it.
my $handler = $callbacks->{'Handler'};
$self->{Methods}->{'start_element'} = sub { $handler->start_element(@_) };
}
return $res;
}
else {
$self->{Methods}->{'start_element'} = sub { };
}
}
}
sub error {
my $self = shift;
if (defined $self->{Methods}->{'error'}) {
$self->{Methods}->{'error'}->(@_);
}
else {
my $method;
my $callbacks;
if (exists $self->{ParseOptions}) {
$callbacks = $self->{ParseOptions};
}
else {
$callbacks = $self;
}
if (0) { # dummy to make elsif's below compile
}
elsif (defined $callbacks->{'ErrorHandler'} and $method = $callbacks->{'ErrorHandler'}->can('error') ) {
my $handler = $callbacks->{'ErrorHandler'};
$self->{Methods}->{'error'} = sub { $method->($handler, @_) };
return $method->($handler, @_);
}
elsif (defined $callbacks->{'Handler'} and $method = $callbacks->{'Handler'}->can('error') ) {
my $handler = $callbacks->{'Handler'};
$self->{Methods}->{'error'} = sub { $method->($handler, @_) };
return $method->($handler, @_);
}
elsif (defined $callbacks->{'ErrorHandler'}
and $callbacks->{'ErrorHandler'}->can('AUTOLOAD')
and $callbacks->{'ErrorHandler'}->can('AUTOLOAD') ne (UNIVERSAL->can('AUTOLOAD') || '')
)
{
my $res = eval { $callbacks->{'ErrorHandler'}->error(@_) };
if ($@) {
die $@;
}
else {
# I think there's a buggette here...
# if the first call throws an exception, we don't set it up right.
# Not fatal, but we might want to address it.
my $handler = $callbacks->{'ErrorHandler'};
$self->{Methods}->{'error'} = sub { $handler->error(@_) };
}
return $res;
}
elsif (defined $callbacks->{'Handler'}
and $callbacks->{'Handler'}->can('AUTOLOAD')
and $callbacks->{'Handler'}->can('AUTOLOAD') ne (UNIVERSAL->can('AUTOLOAD') || '')
)
{
my $res = eval { $callbacks->{'Handler'}->error(@_) };
if ($@) {
die $@;
}
else {
# I think there's a buggette here...
# if the first call throws an exception, we don't set it up right.
# Not fatal, but we might want to address it.
my $handler = $callbacks->{'Handler'};
$self->{Methods}->{'error'} = sub { $handler->error(@_) };
}
return $res;
}
else {
$self->{Methods}->{'error'} = sub { };
}
}
}
sub xml_decl {
my $self = shift;
if (defined $self->{Methods}->{'xml_decl'}) {
$self->{Methods}->{'xml_decl'}->(@_);
}
else {
my $method;
my $callbacks;
if (exists $self->{ParseOptions}) {
$callbacks = $self->{ParseOptions};
}
else {
$callbacks = $self;
}
if (0) { # dummy to make elsif's below compile
}
elsif (defined $callbacks->{'DTDHandler'} and $method = $callbacks->{'DTDHandler'}->can('xml_decl') ) {
my $handler = $callbacks->{'DTDHandler'};
$self->{Methods}->{'xml_decl'} = sub { $method->($handler, @_) };
return $method->($handler, @_);
}
elsif (defined $callbacks->{'Handler'} and $method = $callbacks->{'Handler'}->can('xml_decl') ) {
my $handler = $callbacks->{'Handler'};
$self->{Methods}->{'xml_decl'} = sub { $method->($handler, @_) };
return $method->($handler, @_);
}
elsif (defined $callbacks->{'DTDHandler'}
and $callbacks->{'DTDHandler'}->can('AUTOLOAD')
and $callbacks->{'DTDHandler'}->can('AUTOLOAD') ne (UNIVERSAL->can('AUTOLOAD') || '')
)
{
my $res = eval { $callbacks->{'DTDHandler'}->xml_decl(@_) };
if ($@) {
die $@;
}
else {
# I think there's a buggette here...
# if the first call throws an exception, we don't set it up right.
# Not fatal, but we might want to address it.
my $handler = $callbacks->{'DTDHandler'};
$self->{Methods}->{'xml_decl'} = sub { $handler->xml_decl(@_) };
}
return $res;
}
elsif (defined $callbacks->{'Handler'}
and $callbacks->{'Handler'}->can('AUTOLOAD')
and $callbacks->{'Handler'}->can('AUTOLOAD') ne (UNIVERSAL->can('AUTOLOAD') || '')
)
{
my $res = eval { $callbacks->{'Handler'}->xml_decl(@_) };
if ($@) {
die $@;
}
else {
# I think there's a buggette here...
# if the first call throws an exception, we don't set it up right.
# Not fatal, but we might want to address it.
my $handler = $callbacks->{'Handler'};
$self->{Methods}->{'xml_decl'} = sub { $handler->xml_decl(@_) };
}
return $res;
}
else {
$self->{Methods}->{'xml_decl'} = sub { };
}
}
}
sub end_document {
my $self = shift;
if (defined $self->{Methods}->{'end_document'}) {
$self->{Methods}->{'end_document'}->(@_);
}
else {
my $method;
my $callbacks;
if (exists $self->{ParseOptions}) {
$callbacks = $self->{ParseOptions};
}
else {
$callbacks = $self;
}
if (0) { # dummy to make elsif's below compile
}
elsif (defined $callbacks->{'ContentHandler'} and $method = $callbacks->{'ContentHandler'}->can('end_document') ) {
my $handler = $callbacks->{'ContentHandler'};
$self->{Methods}->{'end_document'} = sub { $method->($handler, @_) };
return $method->($handler, @_);
}
elsif (defined $callbacks->{'DocumentHandler'} and $method = $callbacks->{'DocumentHandler'}->can('end_document') ) {
my $handler = $callbacks->{'DocumentHandler'};
$self->{Methods}->{'end_document'} = sub { $method->($handler, @_) };
return $method->($handler, @_);
}
elsif (defined $callbacks->{'Handler'} and $method = $callbacks->{'Handler'}->can('end_document') ) {
my $handler = $callbacks->{'Handler'};
$self->{Methods}->{'end_document'} = sub { $method->($handler, @_) };
return $method->($handler, @_);
}
elsif (defined $callbacks->{'ContentHandler'}
and $callbacks->{'ContentHandler'}->can('AUTOLOAD')
and $callbacks->{'ContentHandler'}->can('AUTOLOAD') ne (UNIVERSAL->can('AUTOLOAD') || '')
)
{
my $res = eval { $callbacks->{'ContentHandler'}->end_document(@_) };
if ($@) {
die $@;
}
else {
# I think there's a buggette here...
# if the first call throws an exception, we don't set it up right.
# Not fatal, but we might want to address it.
my $handler = $callbacks->{'ContentHandler'};
$self->{Methods}->{'end_document'} = sub { $handler->end_document(@_) };
}
return $res;
}
elsif (defined $callbacks->{'DocumentHandler'}
and $callbacks->{'DocumentHandler'}->can('AUTOLOAD')
and $callbacks->{'DocumentHandler'}->can('AUTOLOAD') ne (UNIVERSAL->can('AUTOLOAD') || '')
)
{
my $res = eval { $callbacks->{'DocumentHandler'}->end_document(@_) };
if ($@) {
die $@;
}
else {
# I think there's a buggette here...
# if the first call throws an exception, we don't set it up right.
# Not fatal, but we might want to address it.
my $handler = $callbacks->{'DocumentHandler'};
$self->{Methods}->{'end_document'} = sub { $handler->end_document(@_) };
}
return $res;
}
elsif (defined $callbacks->{'Handler'}
and $callbacks->{'Handler'}->can('AUTOLOAD')
and $callbacks->{'Handler'}->can('AUTOLOAD') ne (UNIVERSAL->can('AUTOLOAD') || '')
)
{
my $res = eval { $callbacks->{'Handler'}->end_document(@_) };
if ($@) {
die $@;
}
else {
# I think there's a buggette here...
# if the first call throws an exception, we don't set it up right.
# Not fatal, but we might want to address it.
my $handler = $callbacks->{'Handler'};
$self->{Methods}->{'end_document'} = sub { $handler->end_document(@_) };
}
return $res;
}
else {
$self->{Methods}->{'end_document'} = sub { };
}
}
}
sub attribute_decl {
my $self = shift;
if (defined $self->{Methods}->{'attribute_decl'}) {
$self->{Methods}->{'attribute_decl'}->(@_);
}
else {
my $method;
my $callbacks;
if (exists $self->{ParseOptions}) {
$callbacks = $self->{ParseOptions};
}
else {
$callbacks = $self;
}
if (0) { # dummy to make elsif's below compile
}
elsif (defined $callbacks->{'DeclHandler'} and $method = $callbacks->{'DeclHandler'}->can('attribute_decl') ) {
my $handler = $callbacks->{'DeclHandler'};
$self->{Methods}->{'attribute_decl'} = sub { $method->($handler, @_) };
return $method->($handler, @_);
}
elsif (defined $callbacks->{'Handler'} and $method = $callbacks->{'Handler'}->can('attribute_decl') ) {
my $handler = $callbacks->{'Handler'};
$self->{Methods}->{'attribute_decl'} = sub { $method->($handler, @_) };
return $method->($handler, @_);
}
elsif (defined $callbacks->{'DeclHandler'}
and $callbacks->{'DeclHandler'}->can('AUTOLOAD')
and $callbacks->{'DeclHandler'}->can('AUTOLOAD') ne (UNIVERSAL->can('AUTOLOAD') || '')
)
{
my $res = eval { $callbacks->{'DeclHandler'}->attribute_decl(@_) };
if ($@) {
die $@;
}
else {
# I think there's a buggette here...
# if the first call throws an exception, we don't set it up right.
# Not fatal, but we might want to address it.
my $handler = $callbacks->{'DeclHandler'};
$self->{Methods}->{'attribute_decl'} = sub { $handler->attribute_decl(@_) };
}
return $res;
}
elsif (defined $callbacks->{'Handler'}
and $callbacks->{'Handler'}->can('AUTOLOAD')
and $callbacks->{'Handler'}->can('AUTOLOAD') ne (UNIVERSAL->can('AUTOLOAD') || '')
)
{
my $res = eval { $callbacks->{'Handler'}->attribute_decl(@_) };
if ($@) {
die $@;
}
else {
# I think there's a buggette here...
# if the first call throws an exception, we don't set it up right.
# Not fatal, but we might want to address it.
my $handler = $callbacks->{'Handler'};
$self->{Methods}->{'attribute_decl'} = sub { $handler->attribute_decl(@_) };
}
return $res;
}
else {
$self->{Methods}->{'attribute_decl'} = sub { };
}
}
}
sub internal_entity_decl {
my $self = shift;
if (defined $self->{Methods}->{'internal_entity_decl'}) {
$self->{Methods}->{'internal_entity_decl'}->(@_);
}
else {
my $method;
my $callbacks;
if (exists $self->{ParseOptions}) {
$callbacks = $self->{ParseOptions};
}
else {
$callbacks = $self;
}
if (0) { # dummy to make elsif's below compile
}
elsif (defined $callbacks->{'DeclHandler'} and $method = $callbacks->{'DeclHandler'}->can('internal_entity_decl') ) {
my $handler = $callbacks->{'DeclHandler'};
$self->{Methods}->{'internal_entity_decl'} = sub { $method->($handler, @_) };
return $method->($handler, @_);
}
elsif (defined $callbacks->{'Handler'} and $method = $callbacks->{'Handler'}->can('internal_entity_decl') ) {
my $handler = $callbacks->{'Handler'};
$self->{Methods}->{'internal_entity_decl'} = sub { $method->($handler, @_) };
return $method->($handler, @_);
}
elsif (defined $callbacks->{'DeclHandler'}
and $callbacks->{'DeclHandler'}->can('AUTOLOAD')
and $callbacks->{'DeclHandler'}->can('AUTOLOAD') ne (UNIVERSAL->can('AUTOLOAD') || '')
)
{
my $res = eval { $callbacks->{'DeclHandler'}->internal_entity_decl(@_) };
if ($@) {
die $@;
}
else {
# I think there's a buggette here...
# if the first call throws an exception, we don't set it up right.
# Not fatal, but we might want to address it.
my $handler = $callbacks->{'DeclHandler'};
$self->{Methods}->{'internal_entity_decl'} = sub { $handler->internal_entity_decl(@_) };
}
return $res;
}
elsif (defined $callbacks->{'Handler'}
and $callbacks->{'Handler'}->can('AUTOLOAD')
and $callbacks->{'Handler'}->can('AUTOLOAD') ne (UNIVERSAL->can('AUTOLOAD') || '')
)
{
my $res = eval { $callbacks->{'Handler'}->internal_entity_decl(@_) };
if ($@) {
die $@;
}
else {
# I think there's a buggette here...
# if the first call throws an exception, we don't set it up right.
# Not fatal, but we might want to address it.
my $handler = $callbacks->{'Handler'};
$self->{Methods}->{'internal_entity_decl'} = sub { $handler->internal_entity_decl(@_) };
}
return $res;
}
else {
$self->{Methods}->{'internal_entity_decl'} = sub { };
}
}
}
sub doctype_decl {
my $self = shift;
if (defined $self->{Methods}->{'doctype_decl'}) {
$self->{Methods}->{'doctype_decl'}->(@_);
}
else {
my $method;
my $callbacks;
if (exists $self->{ParseOptions}) {
$callbacks = $self->{ParseOptions};
}
else {
$callbacks = $self;
}
if (0) { # dummy to make elsif's below compile
}
elsif (defined $callbacks->{'DTDHandler'} and $method = $callbacks->{'DTDHandler'}->can('doctype_decl') ) {
my $handler = $callbacks->{'DTDHandler'};
$self->{Methods}->{'doctype_decl'} = sub { $method->($handler, @_) };
return $method->($handler, @_);
}
elsif (defined $callbacks->{'Handler'} and $method = $callbacks->{'Handler'}->can('doctype_decl') ) {
my $handler = $callbacks->{'Handler'};
$self->{Methods}->{'doctype_decl'} = sub { $method->($handler, @_) };
return $method->($handler, @_);
}
elsif (defined $callbacks->{'DTDHandler'}
and $callbacks->{'DTDHandler'}->can('AUTOLOAD')
and $callbacks->{'DTDHandler'}->can('AUTOLOAD') ne (UNIVERSAL->can('AUTOLOAD') || '')
)
{
my $res = eval { $callbacks->{'DTDHandler'}->doctype_decl(@_) };
if ($@) {
die $@;
}
else {
# I think there's a buggette here...
# if the first call throws an exception, we don't set it up right.
# Not fatal, but we might want to address it.
my $handler = $callbacks->{'DTDHandler'};
$self->{Methods}->{'doctype_decl'} = sub { $handler->doctype_decl(@_) };
}
return $res;
}
elsif (defined $callbacks->{'Handler'}
and $callbacks->{'Handler'}->can('AUTOLOAD')
and $callbacks->{'Handler'}->can('AUTOLOAD') ne (UNIVERSAL->can('AUTOLOAD') || '')
)
{
my $res = eval { $callbacks->{'Handler'}->doctype_decl(@_) };
if ($@) {
die $@;
}
else {
# I think there's a buggette here...
# if the first call throws an exception, we don't set it up right.
# Not fatal, but we might want to address it.
my $handler = $callbacks->{'Handler'};
$self->{Methods}->{'doctype_decl'} = sub { $handler->doctype_decl(@_) };
}
return $res;
}
else {
$self->{Methods}->{'doctype_decl'} = sub { };
}
}
}
sub unparsed_entity_decl {
my $self = shift;
if (defined $self->{Methods}->{'unparsed_entity_decl'}) {
$self->{Methods}->{'unparsed_entity_decl'}->(@_);
}
else {
my $method;
my $callbacks;
if (exists $self->{ParseOptions}) {
$callbacks = $self->{ParseOptions};
}
else {
$callbacks = $self;
}
if (0) { # dummy to make elsif's below compile
}
elsif (defined $callbacks->{'DTDHandler'} and $method = $callbacks->{'DTDHandler'}->can('unparsed_entity_decl') ) {
my $handler = $callbacks->{'DTDHandler'};
$self->{Methods}->{'unparsed_entity_decl'} = sub { $method->($handler, @_) };
return $method->($handler, @_);
}
elsif (defined $callbacks->{'Handler'} and $method = $callbacks->{'Handler'}->can('unparsed_entity_decl') ) {
my $handler = $callbacks->{'Handler'};
$self->{Methods}->{'unparsed_entity_decl'} = sub { $method->($handler, @_) };
return $method->($handler, @_);
}
elsif (defined $callbacks->{'DTDHandler'}
and $callbacks->{'DTDHandler'}->can('AUTOLOAD')
and $callbacks->{'DTDHandler'}->can('AUTOLOAD') ne (UNIVERSAL->can('AUTOLOAD') || '')
)
{
my $res = eval { $callbacks->{'DTDHandler'}->unparsed_entity_decl(@_) };
if ($@) {
die $@;
}
else {
# I think there's a buggette here...
# if the first call throws an exception, we don't set it up right.
# Not fatal, but we might want to address it.
my $handler = $callbacks->{'DTDHandler'};
$self->{Methods}->{'unparsed_entity_decl'} = sub { $handler->unparsed_entity_decl(@_) };
}
return $res;
}
elsif (defined $callbacks->{'Handler'}
and $callbacks->{'Handler'}->can('AUTOLOAD')
and $callbacks->{'Handler'}->can('AUTOLOAD') ne (UNIVERSAL->can('AUTOLOAD') || '')
)
{
my $res = eval { $callbacks->{'Handler'}->unparsed_entity_decl(@_) };
if ($@) {
die $@;
}
else {
# I think there's a buggette here...
# if the first call throws an exception, we don't set it up right.
# Not fatal, but we might want to address it.
my $handler = $callbacks->{'Handler'};
$self->{Methods}->{'unparsed_entity_decl'} = sub { $handler->unparsed_entity_decl(@_) };
}
return $res;
}
else {
$self->{Methods}->{'unparsed_entity_decl'} = sub { };
}
}
}
sub skipped_entity {
my $self = shift;
if (defined $self->{Methods}->{'skipped_entity'}) {
$self->{Methods}->{'skipped_entity'}->(@_);
}
else {
my $method;
my $callbacks;
if (exists $self->{ParseOptions}) {
$callbacks = $self->{ParseOptions};
}
else {
$callbacks = $self;
}
if (0) { # dummy to make elsif's below compile
}
elsif (defined $callbacks->{'ContentHandler'} and $method = $callbacks->{'ContentHandler'}->can('skipped_entity') ) {
my $handler = $callbacks->{'ContentHandler'};
$self->{Methods}->{'skipped_entity'} = sub { $method->($handler, @_) };
return $method->($handler, @_);
}
elsif (defined $callbacks->{'Handler'} and $method = $callbacks->{'Handler'}->can('skipped_entity') ) {
my $handler = $callbacks->{'Handler'};
$self->{Methods}->{'skipped_entity'} = sub { $method->($handler, @_) };
return $method->($handler, @_);
}
elsif (defined $callbacks->{'ContentHandler'}
and $callbacks->{'ContentHandler'}->can('AUTOLOAD')
and $callbacks->{'ContentHandler'}->can('AUTOLOAD') ne (UNIVERSAL->can('AUTOLOAD') || '')
)
{
my $res = eval { $callbacks->{'ContentHandler'}->skipped_entity(@_) };
if ($@) {
die $@;
}
else {
# I think there's a buggette here...
# if the first call throws an exception, we don't set it up right.
# Not fatal, but we might want to address it.
my $handler = $callbacks->{'ContentHandler'};
$self->{Methods}->{'skipped_entity'} = sub { $handler->skipped_entity(@_) };
}
return $res;
}
elsif (defined $callbacks->{'Handler'}
and $callbacks->{'Handler'}->can('AUTOLOAD')
and $callbacks->{'Handler'}->can('AUTOLOAD') ne (UNIVERSAL->can('AUTOLOAD') || '')
)
{
my $res = eval { $callbacks->{'Handler'}->skipped_entity(@_) };
if ($@) {
die $@;
}
else {
# I think there's a buggette here...
# if the first call throws an exception, we don't set it up right.
# Not fatal, but we might want to address it.
my $handler = $callbacks->{'Handler'};
$self->{Methods}->{'skipped_entity'} = sub { $handler->skipped_entity(@_) };
}
return $res;
}
else {
$self->{Methods}->{'skipped_entity'} = sub { };
}
}
}
sub end_prefix_mapping {
my $self = shift;
if (defined $self->{Methods}->{'end_prefix_mapping'}) {
$self->{Methods}->{'end_prefix_mapping'}->(@_);
}
else {
my $method;
my $callbacks;
if (exists $self->{ParseOptions}) {
$callbacks = $self->{ParseOptions};
}
else {
$callbacks = $self;
}
if (0) { # dummy to make elsif's below compile
}
elsif (defined $callbacks->{'ContentHandler'} and $method = $callbacks->{'ContentHandler'}->can('end_prefix_mapping') ) {
my $handler = $callbacks->{'ContentHandler'};
$self->{Methods}->{'end_prefix_mapping'} = sub { $method->($handler, @_) };
return $method->($handler, @_);
}
elsif (defined $callbacks->{'Handler'} and $method = $callbacks->{'Handler'}->can('end_prefix_mapping') ) {
my $handler = $callbacks->{'Handler'};
$self->{Methods}->{'end_prefix_mapping'} = sub { $method->($handler, @_) };
return $method->($handler, @_);
}
elsif (defined $callbacks->{'ContentHandler'}
and $callbacks->{'ContentHandler'}->can('AUTOLOAD')
and $callbacks->{'ContentHandler'}->can('AUTOLOAD') ne (UNIVERSAL->can('AUTOLOAD') || '')
)
{
my $res = eval { $callbacks->{'ContentHandler'}->end_prefix_mapping(@_) };
if ($@) {
die $@;
}
else {
# I think there's a buggette here...
# if the first call throws an exception, we don't set it up right.
# Not fatal, but we might want to address it.
my $handler = $callbacks->{'ContentHandler'};
$self->{Methods}->{'end_prefix_mapping'} = sub { $handler->end_prefix_mapping(@_) };
}
return $res;
}
elsif (defined $callbacks->{'Handler'}
and $callbacks->{'Handler'}->can('AUTOLOAD')
and $callbacks->{'Handler'}->can('AUTOLOAD') ne (UNIVERSAL->can('AUTOLOAD') || '')
)
{
my $res = eval { $callbacks->{'Handler'}->end_prefix_mapping(@_) };
if ($@) {
die $@;
}
else {
# I think there's a buggette here...
# if the first call throws an exception, we don't set it up right.
# Not fatal, but we might want to address it.
my $handler = $callbacks->{'Handler'};
$self->{Methods}->{'end_prefix_mapping'} = sub { $handler->end_prefix_mapping(@_) };
}
return $res;
}
else {
$self->{Methods}->{'end_prefix_mapping'} = sub { };
}
}
}
sub characters {
my $self = shift;
if (defined $self->{Methods}->{'characters'}) {
$self->{Methods}->{'characters'}->(@_);
}
else {
my $method;
my $callbacks;
if (exists $self->{ParseOptions}) {
$callbacks = $self->{ParseOptions};
}
else {
$callbacks = $self;
}
if (0) { # dummy to make elsif's below compile
}
elsif (defined $callbacks->{'ContentHandler'} and $method = $callbacks->{'ContentHandler'}->can('characters') ) {
my $handler = $callbacks->{'ContentHandler'};
$self->{Methods}->{'characters'} = sub { $method->($handler, @_) };
return $method->($handler, @_);
}
elsif (defined $callbacks->{'DocumentHandler'} and $method = $callbacks->{'DocumentHandler'}->can('characters') ) {
my $handler = $callbacks->{'DocumentHandler'};
$self->{Methods}->{'characters'} = sub { $method->($handler, @_) };
return $method->($handler, @_);
}
elsif (defined $callbacks->{'Handler'} and $method = $callbacks->{'Handler'}->can('characters') ) {
my $handler = $callbacks->{'Handler'};
$self->{Methods}->{'characters'} = sub { $method->($handler, @_) };
return $method->($handler, @_);
}
elsif (defined $callbacks->{'ContentHandler'}
and $callbacks->{'ContentHandler'}->can('AUTOLOAD')
and $callbacks->{'ContentHandler'}->can('AUTOLOAD') ne (UNIVERSAL->can('AUTOLOAD') || '')
)
{
my $res = eval { $callbacks->{'ContentHandler'}->characters(@_) };
if ($@) {
die $@;
}
else {
# I think there's a buggette here...
# if the first call throws an exception, we don't set it up right.
# Not fatal, but we might want to address it.
my $handler = $callbacks->{'ContentHandler'};
$self->{Methods}->{'characters'} = sub { $handler->characters(@_) };
}
return $res;
}
elsif (defined $callbacks->{'DocumentHandler'}
and $callbacks->{'DocumentHandler'}->can('AUTOLOAD')
and $callbacks->{'DocumentHandler'}->can('AUTOLOAD') ne (UNIVERSAL->can('AUTOLOAD') || '')
)
{
my $res = eval { $callbacks->{'DocumentHandler'}->characters(@_) };
if ($@) {
die $@;
}
else {
# I think there's a buggette here...
# if the first call throws an exception, we don't set it up right.
# Not fatal, but we might want to address it.
my $handler = $callbacks->{'DocumentHandler'};
$self->{Methods}->{'characters'} = sub { $handler->characters(@_) };
}
return $res;
}
elsif (defined $callbacks->{'Handler'}
and $callbacks->{'Handler'}->can('AUTOLOAD')
and $callbacks->{'Handler'}->can('AUTOLOAD') ne (UNIVERSAL->can('AUTOLOAD') || '')
)
{
my $res = eval { $callbacks->{'Handler'}->characters(@_) };
if ($@) {
die $@;
}
else {
# I think there's a buggette here...
# if the first call throws an exception, we don't set it up right.
# Not fatal, but we might want to address it.
my $handler = $callbacks->{'Handler'};
$self->{Methods}->{'characters'} = sub { $handler->characters(@_) };
}
return $res;
}
else {
$self->{Methods}->{'characters'} = sub { };
}
}
}
sub comment {
my $self = shift;
if (defined $self->{Methods}->{'comment'}) {
$self->{Methods}->{'comment'}->(@_);
}
else {
my $method;
my $callbacks;
if (exists $self->{ParseOptions}) {
$callbacks = $self->{ParseOptions};
}
else {
$callbacks = $self;
}
if (0) { # dummy to make elsif's below compile
}
elsif (defined $callbacks->{'DocumentHandler'} and $method = $callbacks->{'DocumentHandler'}->can('comment') ) {
my $handler = $callbacks->{'DocumentHandler'};
$self->{Methods}->{'comment'} = sub { $method->($handler, @_) };
return $method->($handler, @_);
}
elsif (defined $callbacks->{'LexicalHandler'} and $method = $callbacks->{'LexicalHandler'}->can('comment') ) {
my $handler = $callbacks->{'LexicalHandler'};
$self->{Methods}->{'comment'} = sub { $method->($handler, @_) };
return $method->($handler, @_);
}
elsif (defined $callbacks->{'Handler'} and $method = $callbacks->{'Handler'}->can('comment') ) {
my $handler = $callbacks->{'Handler'};
$self->{Methods}->{'comment'} = sub { $method->($handler, @_) };
return $method->($handler, @_);
}
elsif (defined $callbacks->{'DocumentHandler'}
and $callbacks->{'DocumentHandler'}->can('AUTOLOAD')
and $callbacks->{'DocumentHandler'}->can('AUTOLOAD') ne (UNIVERSAL->can('AUTOLOAD') || '')
)
{
my $res = eval { $callbacks->{'DocumentHandler'}->comment(@_) };
if ($@) {
die $@;
}
else {
# I think there's a buggette here...
# if the first call throws an exception, we don't set it up right.
# Not fatal, but we might want to address it.
my $handler = $callbacks->{'DocumentHandler'};
$self->{Methods}->{'comment'} = sub { $handler->comment(@_) };
}
return $res;
}
elsif (defined $callbacks->{'LexicalHandler'}
and $callbacks->{'LexicalHandler'}->can('AUTOLOAD')
and $callbacks->{'LexicalHandler'}->can('AUTOLOAD') ne (UNIVERSAL->can('AUTOLOAD') || '')
)
{
my $res = eval { $callbacks->{'LexicalHandler'}->comment(@_) };
if ($@) {
die $@;
}
else {
# I think there's a buggette here...
# if the first call throws an exception, we don't set it up right.
# Not fatal, but we might want to address it.
my $handler = $callbacks->{'LexicalHandler'};
$self->{Methods}->{'comment'} = sub { $handler->comment(@_) };
}
return $res;
}
elsif (defined $callbacks->{'Handler'}
and $callbacks->{'Handler'}->can('AUTOLOAD')
and $callbacks->{'Handler'}->can('AUTOLOAD') ne (UNIVERSAL->can('AUTOLOAD') || '')
)
{
my $res = eval { $callbacks->{'Handler'}->comment(@_) };
if ($@) {
die $@;
}
else {
# I think there's a buggette here...
# if the first call throws an exception, we don't set it up right.
# Not fatal, but we might want to address it.
my $handler = $callbacks->{'Handler'};
$self->{Methods}->{'comment'} = sub { $handler->comment(@_) };
}
return $res;
}
else {
$self->{Methods}->{'comment'} = sub { };
}
}
}
sub start_dtd {
my $self = shift;
if (defined $self->{Methods}->{'start_dtd'}) {
$self->{Methods}->{'start_dtd'}->(@_);
}
else {
my $method;
my $callbacks;
if (exists $self->{ParseOptions}) {
$callbacks = $self->{ParseOptions};
}
else {
$callbacks = $self;
}
if (0) { # dummy to make elsif's below compile
}
elsif (defined $callbacks->{'LexicalHandler'} and $method = $callbacks->{'LexicalHandler'}->can('start_dtd') ) {
my $handler = $callbacks->{'LexicalHandler'};
$self->{Methods}->{'start_dtd'} = sub { $method->($handler, @_) };
return $method->($handler, @_);
}
elsif (defined $callbacks->{'Handler'} and $method = $callbacks->{'Handler'}->can('start_dtd') ) {
my $handler = $callbacks->{'Handler'};
$self->{Methods}->{'start_dtd'} = sub { $method->($handler, @_) };
return $method->($handler, @_);
}
elsif (defined $callbacks->{'LexicalHandler'}
and $callbacks->{'LexicalHandler'}->can('AUTOLOAD')
and $callbacks->{'LexicalHandler'}->can('AUTOLOAD') ne (UNIVERSAL->can('AUTOLOAD') || '')
)
{
my $res = eval { $callbacks->{'LexicalHandler'}->start_dtd(@_) };
if ($@) {
die $@;
}
else {
# I think there's a buggette here...
# if the first call throws an exception, we don't set it up right.
# Not fatal, but we might want to address it.
my $handler = $callbacks->{'LexicalHandler'};
$self->{Methods}->{'start_dtd'} = sub { $handler->start_dtd(@_) };
}
return $res;
}
elsif (defined $callbacks->{'Handler'}
and $callbacks->{'Handler'}->can('AUTOLOAD')
and $callbacks->{'Handler'}->can('AUTOLOAD') ne (UNIVERSAL->can('AUTOLOAD') || '')
)
{
my $res = eval { $callbacks->{'Handler'}->start_dtd(@_) };
if ($@) {
die $@;
}
else {
# I think there's a buggette here...
# if the first call throws an exception, we don't set it up right.
# Not fatal, but we might want to address it.
my $handler = $callbacks->{'Handler'};
$self->{Methods}->{'start_dtd'} = sub { $handler->start_dtd(@_) };
}
return $res;
}
else {
$self->{Methods}->{'start_dtd'} = sub { };
}
}
}
sub entity_decl {
my $self = shift;
if (defined $self->{Methods}->{'entity_decl'}) {
$self->{Methods}->{'entity_decl'}->(@_);
}
else {
my $method;
my $callbacks;
if (exists $self->{ParseOptions}) {
$callbacks = $self->{ParseOptions};
}
else {
$callbacks = $self;
}
if (0) { # dummy to make elsif's below compile
}
elsif (defined $callbacks->{'DTDHandler'} and $method = $callbacks->{'DTDHandler'}->can('entity_decl') ) {
my $handler = $callbacks->{'DTDHandler'};
$self->{Methods}->{'entity_decl'} = sub { $method->($handler, @_) };
return $method->($handler, @_);
}
elsif (defined $callbacks->{'Handler'} and $method = $callbacks->{'Handler'}->can('entity_decl') ) {
my $handler = $callbacks->{'Handler'};
$self->{Methods}->{'entity_decl'} = sub { $method->($handler, @_) };
return $method->($handler, @_);
}
elsif (defined $callbacks->{'DTDHandler'}
and $callbacks->{'DTDHandler'}->can('AUTOLOAD')
and $callbacks->{'DTDHandler'}->can('AUTOLOAD') ne (UNIVERSAL->can('AUTOLOAD') || '')
)
{
my $res = eval { $callbacks->{'DTDHandler'}->entity_decl(@_) };
if ($@) {
die $@;
}
else {
# I think there's a buggette here...
# if the first call throws an exception, we don't set it up right.
# Not fatal, but we might want to address it.
my $handler = $callbacks->{'DTDHandler'};
$self->{Methods}->{'entity_decl'} = sub { $handler->entity_decl(@_) };
}
return $res;
}
elsif (defined $callbacks->{'Handler'}
and $callbacks->{'Handler'}->can('AUTOLOAD')
and $callbacks->{'Handler'}->can('AUTOLOAD') ne (UNIVERSAL->can('AUTOLOAD') || '')
)
{
my $res = eval { $callbacks->{'Handler'}->entity_decl(@_) };
if ($@) {
die $@;
}
else {
# I think there's a buggette here...
# if the first call throws an exception, we don't set it up right.
# Not fatal, but we might want to address it.
my $handler = $callbacks->{'Handler'};
$self->{Methods}->{'entity_decl'} = sub { $handler->entity_decl(@_) };
}
return $res;
}
else {
$self->{Methods}->{'entity_decl'} = sub { };
}
}
}
sub start_prefix_mapping {
my $self = shift;
if (defined $self->{Methods}->{'start_prefix_mapping'}) {
$self->{Methods}->{'start_prefix_mapping'}->(@_);
}
else {
my $method;
my $callbacks;
if (exists $self->{ParseOptions}) {
$callbacks = $self->{ParseOptions};
}
else {
$callbacks = $self;
}
if (0) { # dummy to make elsif's below compile
}
elsif (defined $callbacks->{'ContentHandler'} and $method = $callbacks->{'ContentHandler'}->can('start_prefix_mapping') ) {
my $handler = $callbacks->{'ContentHandler'};
$self->{Methods}->{'start_prefix_mapping'} = sub { $method->($handler, @_) };
return $method->($handler, @_);
}
elsif (defined $callbacks->{'Handler'} and $method = $callbacks->{'Handler'}->can('start_prefix_mapping') ) {
my $handler = $callbacks->{'Handler'};
$self->{Methods}->{'start_prefix_mapping'} = sub { $method->($handler, @_) };
return $method->($handler, @_);
}
elsif (defined $callbacks->{'ContentHandler'}
and $callbacks->{'ContentHandler'}->can('AUTOLOAD')
and $callbacks->{'ContentHandler'}->can('AUTOLOAD') ne (UNIVERSAL->can('AUTOLOAD') || '')
)
{
my $res = eval { $callbacks->{'ContentHandler'}->start_prefix_mapping(@_) };
if ($@) {
die $@;
}
else {
# I think there's a buggette here...
# if the first call throws an exception, we don't set it up right.
# Not fatal, but we might want to address it.
my $handler = $callbacks->{'ContentHandler'};
$self->{Methods}->{'start_prefix_mapping'} = sub { $handler->start_prefix_mapping(@_) };
}
return $res;
}
elsif (defined $callbacks->{'Handler'}
and $callbacks->{'Handler'}->can('AUTOLOAD')
and $callbacks->{'Handler'}->can('AUTOLOAD') ne (UNIVERSAL->can('AUTOLOAD') || '')
)
{
my $res = eval { $callbacks->{'Handler'}->start_prefix_mapping(@_) };
if ($@) {
die $@;
}
else {
# I think there's a buggette here...
# if the first call throws an exception, we don't set it up right.
# Not fatal, but we might want to address it.
my $handler = $callbacks->{'Handler'};
$self->{Methods}->{'start_prefix_mapping'} = sub { $handler->start_prefix_mapping(@_) };
}
return $res;
}
else {
$self->{Methods}->{'start_prefix_mapping'} = sub { };
}
}
}
sub end_cdata {
my $self = shift;
if (defined $self->{Methods}->{'end_cdata'}) {
$self->{Methods}->{'end_cdata'}->(@_);
}
else {
my $method;
my $callbacks;
if (exists $self->{ParseOptions}) {
$callbacks = $self->{ParseOptions};
}
else {
$callbacks = $self;
}
if (0) { # dummy to make elsif's below compile
}
elsif (defined $callbacks->{'DocumentHandler'} and $method = $callbacks->{'DocumentHandler'}->can('end_cdata') ) {
my $handler = $callbacks->{'DocumentHandler'};
$self->{Methods}->{'end_cdata'} = sub { $method->($handler, @_) };
return $method->($handler, @_);
}
elsif (defined $callbacks->{'LexicalHandler'} and $method = $callbacks->{'LexicalHandler'}->can('end_cdata') ) {
my $handler = $callbacks->{'LexicalHandler'};
$self->{Methods}->{'end_cdata'} = sub { $method->($handler, @_) };
return $method->($handler, @_);
}
elsif (defined $callbacks->{'Handler'} and $method = $callbacks->{'Handler'}->can('end_cdata') ) {
my $handler = $callbacks->{'Handler'};
$self->{Methods}->{'end_cdata'} = sub { $method->($handler, @_) };
return $method->($handler, @_);
}
elsif (defined $callbacks->{'DocumentHandler'}
and $callbacks->{'DocumentHandler'}->can('AUTOLOAD')
and $callbacks->{'DocumentHandler'}->can('AUTOLOAD') ne (UNIVERSAL->can('AUTOLOAD') || '')
)
{
my $res = eval { $callbacks->{'DocumentHandler'}->end_cdata(@_) };
if ($@) {
die $@;
}
else {
# I think there's a buggette here...
# if the first call throws an exception, we don't set it up right.
# Not fatal, but we might want to address it.
my $handler = $callbacks->{'DocumentHandler'};
$self->{Methods}->{'end_cdata'} = sub { $handler->end_cdata(@_) };
}
return $res;
}
elsif (defined $callbacks->{'LexicalHandler'}
and $callbacks->{'LexicalHandler'}->can('AUTOLOAD')
and $callbacks->{'LexicalHandler'}->can('AUTOLOAD') ne (UNIVERSAL->can('AUTOLOAD') || '')
)
{
my $res = eval { $callbacks->{'LexicalHandler'}->end_cdata(@_) };
if ($@) {
die $@;
}
else {
# I think there's a buggette here...
# if the first call throws an exception, we don't set it up right.
# Not fatal, but we might want to address it.
my $handler = $callbacks->{'LexicalHandler'};
$self->{Methods}->{'end_cdata'} = sub { $handler->end_cdata(@_) };
}
return $res;
}
elsif (defined $callbacks->{'Handler'}
and $callbacks->{'Handler'}->can('AUTOLOAD')
and $callbacks->{'Handler'}->can('AUTOLOAD') ne (UNIVERSAL->can('AUTOLOAD') || '')
)
{
my $res = eval { $callbacks->{'Handler'}->end_cdata(@_) };
if ($@) {
die $@;
}
else {
# I think there's a buggette here...
# if the first call throws an exception, we don't set it up right.
# Not fatal, but we might want to address it.
my $handler = $callbacks->{'Handler'};
$self->{Methods}->{'end_cdata'} = sub { $handler->end_cdata(@_) };
}
return $res;
}
else {
$self->{Methods}->{'end_cdata'} = sub { };
}
}
}
sub processing_instruction {
my $self = shift;
if (defined $self->{Methods}->{'processing_instruction'}) {
$self->{Methods}->{'processing_instruction'}->(@_);
}
else {
my $method;
my $callbacks;
if (exists $self->{ParseOptions}) {
$callbacks = $self->{ParseOptions};
}
else {
$callbacks = $self;
}
if (0) { # dummy to make elsif's below compile
}
elsif (defined $callbacks->{'ContentHandler'} and $method = $callbacks->{'ContentHandler'}->can('processing_instruction') ) {
my $handler = $callbacks->{'ContentHandler'};
$self->{Methods}->{'processing_instruction'} = sub { $method->($handler, @_) };
return $method->($handler, @_);
}
elsif (defined $callbacks->{'DocumentHandler'} and $method = $callbacks->{'DocumentHandler'}->can('processing_instruction') ) {
my $handler = $callbacks->{'DocumentHandler'};
$self->{Methods}->{'processing_instruction'} = sub { $method->($handler, @_) };
return $method->($handler, @_);
}
elsif (defined $callbacks->{'Handler'} and $method = $callbacks->{'Handler'}->can('processing_instruction') ) {
my $handler = $callbacks->{'Handler'};
$self->{Methods}->{'processing_instruction'} = sub { $method->($handler, @_) };
return $method->($handler, @_);
}
elsif (defined $callbacks->{'ContentHandler'}
and $callbacks->{'ContentHandler'}->can('AUTOLOAD')
and $callbacks->{'ContentHandler'}->can('AUTOLOAD') ne (UNIVERSAL->can('AUTOLOAD') || '')
)
{
my $res = eval { $callbacks->{'ContentHandler'}->processing_instruction(@_) };
if ($@) {
die $@;
}
else {
# I think there's a buggette here...
# if the first call throws an exception, we don't set it up right.
# Not fatal, but we might want to address it.
my $handler = $callbacks->{'ContentHandler'};
$self->{Methods}->{'processing_instruction'} = sub { $handler->processing_instruction(@_) };
}
return $res;
}
elsif (defined $callbacks->{'DocumentHandler'}
and $callbacks->{'DocumentHandler'}->can('AUTOLOAD')
and $callbacks->{'DocumentHandler'}->can('AUTOLOAD') ne (UNIVERSAL->can('AUTOLOAD') || '')
)
{
my $res = eval { $callbacks->{'DocumentHandler'}->processing_instruction(@_) };
if ($@) {
die $@;
}
else {
# I think there's a buggette here...
# if the first call throws an exception, we don't set it up right.
# Not fatal, but we might want to address it.
my $handler = $callbacks->{'DocumentHandler'};
$self->{Methods}->{'processing_instruction'} = sub { $handler->processing_instruction(@_) };
}
return $res;
}
elsif (defined $callbacks->{'Handler'}
and $callbacks->{'Handler'}->can('AUTOLOAD')
and $callbacks->{'Handler'}->can('AUTOLOAD') ne (UNIVERSAL->can('AUTOLOAD') || '')
)
{
my $res = eval { $callbacks->{'Handler'}->processing_instruction(@_) };
if ($@) {
die $@;
}
else {
# I think there's a buggette here...
# if the first call throws an exception, we don't set it up right.
# Not fatal, but we might want to address it.
my $handler = $callbacks->{'Handler'};
$self->{Methods}->{'processing_instruction'} = sub { $handler->processing_instruction(@_) };
}
return $res;
}
else {
$self->{Methods}->{'processing_instruction'} = sub { };
}
}
}
sub end_element {
my $self = shift;
if (defined $self->{Methods}->{'end_element'}) {
$self->{Methods}->{'end_element'}->(@_);
}
else {
my $method;
my $callbacks;
if (exists $self->{ParseOptions}) {
$callbacks = $self->{ParseOptions};
}
else {
$callbacks = $self;
}
if (0) { # dummy to make elsif's below compile
}
elsif (defined $callbacks->{'ContentHandler'} and $method = $callbacks->{'ContentHandler'}->can('end_element') ) {
my $handler = $callbacks->{'ContentHandler'};
$self->{Methods}->{'end_element'} = sub { $method->($handler, @_) };
return $method->($handler, @_);
}
elsif (defined $callbacks->{'DocumentHandler'} and $method = $callbacks->{'DocumentHandler'}->can('end_element') ) {
my $handler = $callbacks->{'DocumentHandler'};
$self->{Methods}->{'end_element'} = sub { $method->($handler, @_) };
return $method->($handler, @_);
}
elsif (defined $callbacks->{'Handler'} and $method = $callbacks->{'Handler'}->can('end_element') ) {
my $handler = $callbacks->{'Handler'};
$self->{Methods}->{'end_element'} = sub { $method->($handler, @_) };
return $method->($handler, @_);
}
elsif (defined $callbacks->{'ContentHandler'}
and $callbacks->{'ContentHandler'}->can('AUTOLOAD')
and $callbacks->{'ContentHandler'}->can('AUTOLOAD') ne (UNIVERSAL->can('AUTOLOAD') || '')
)
{
my $res = eval { $callbacks->{'ContentHandler'}->end_element(@_) };
if ($@) {
die $@;
}
else {
# I think there's a buggette here...
# if the first call throws an exception, we don't set it up right.
# Not fatal, but we might want to address it.
my $handler = $callbacks->{'ContentHandler'};
$self->{Methods}->{'end_element'} = sub { $handler->end_element(@_) };
}
return $res;
}
elsif (defined $callbacks->{'DocumentHandler'}
and $callbacks->{'DocumentHandler'}->can('AUTOLOAD')
and $callbacks->{'DocumentHandler'}->can('AUTOLOAD') ne (UNIVERSAL->can('AUTOLOAD') || '')
)
{
my $res = eval { $callbacks->{'DocumentHandler'}->end_element(@_) };
if ($@) {
die $@;
}
else {
# I think there's a buggette here...
# if the first call throws an exception, we don't set it up right.
# Not fatal, but we might want to address it.
my $handler = $callbacks->{'DocumentHandler'};
$self->{Methods}->{'end_element'} = sub { $handler->end_element(@_) };
}
return $res;
}
elsif (defined $callbacks->{'Handler'}
and $callbacks->{'Handler'}->can('AUTOLOAD')
and $callbacks->{'Handler'}->can('AUTOLOAD') ne (UNIVERSAL->can('AUTOLOAD') || '')
)
{
my $res = eval { $callbacks->{'Handler'}->end_element(@_) };
if ($@) {
die $@;
}
else {
# I think there's a buggette here...
# if the first call throws an exception, we don't set it up right.
# Not fatal, but we might want to address it.
my $handler = $callbacks->{'Handler'};
$self->{Methods}->{'end_element'} = sub { $handler->end_element(@_) };
}
return $res;
}
else {
$self->{Methods}->{'end_element'} = sub { };
}
}
}
sub start_cdata {
my $self = shift;
if (defined $self->{Methods}->{'start_cdata'}) {
$self->{Methods}->{'start_cdata'}->(@_);
}
else {
my $method;
my $callbacks;
if (exists $self->{ParseOptions}) {
$callbacks = $self->{ParseOptions};
}
else {
$callbacks = $self;
}
if (0) { # dummy to make elsif's below compile
}
elsif (defined $callbacks->{'DocumentHandler'} and $method = $callbacks->{'DocumentHandler'}->can('start_cdata') ) {
my $handler = $callbacks->{'DocumentHandler'};
$self->{Methods}->{'start_cdata'} = sub { $method->($handler, @_) };
return $method->($handler, @_);
}
elsif (defined $callbacks->{'LexicalHandler'} and $method = $callbacks->{'LexicalHandler'}->can('start_cdata') ) {
my $handler = $callbacks->{'LexicalHandler'};
$self->{Methods}->{'start_cdata'} = sub { $method->($handler, @_) };
return $method->($handler, @_);
}
elsif (defined $callbacks->{'Handler'} and $method = $callbacks->{'Handler'}->can('start_cdata') ) {
my $handler = $callbacks->{'Handler'};
$self->{Methods}->{'start_cdata'} = sub { $method->($handler, @_) };
return $method->($handler, @_);
}
elsif (defined $callbacks->{'DocumentHandler'}
and $callbacks->{'DocumentHandler'}->can('AUTOLOAD')
and $callbacks->{'DocumentHandler'}->can('AUTOLOAD') ne (UNIVERSAL->can('AUTOLOAD') || '')
)
{
my $res = eval { $callbacks->{'DocumentHandler'}->start_cdata(@_) };
if ($@) {
die $@;
}
else {
# I think there's a buggette here...
# if the first call throws an exception, we don't set it up right.
# Not fatal, but we might want to address it.
my $handler = $callbacks->{'DocumentHandler'};
$self->{Methods}->{'start_cdata'} = sub { $handler->start_cdata(@_) };
}
return $res;
}
elsif (defined $callbacks->{'LexicalHandler'}
and $callbacks->{'LexicalHandler'}->can('AUTOLOAD')
and $callbacks->{'LexicalHandler'}->can('AUTOLOAD') ne (UNIVERSAL->can('AUTOLOAD') || '')
)
{
my $res = eval { $callbacks->{'LexicalHandler'}->start_cdata(@_) };
if ($@) {
die $@;
}
else {
# I think there's a buggette here...
# if the first call throws an exception, we don't set it up right.
# Not fatal, but we might want to address it.
my $handler = $callbacks->{'LexicalHandler'};
$self->{Methods}->{'start_cdata'} = sub { $handler->start_cdata(@_) };
}
return $res;
}
elsif (defined $callbacks->{'Handler'}
and $callbacks->{'Handler'}->can('AUTOLOAD')
and $callbacks->{'Handler'}->can('AUTOLOAD') ne (UNIVERSAL->can('AUTOLOAD') || '')
)
{
my $res = eval { $callbacks->{'Handler'}->start_cdata(@_) };
if ($@) {
die $@;
}
else {
# I think there's a buggette here...
# if the first call throws an exception, we don't set it up right.
# Not fatal, but we might want to address it.
my $handler = $callbacks->{'Handler'};
$self->{Methods}->{'start_cdata'} = sub { $handler->start_cdata(@_) };
}
return $res;
}
else {
$self->{Methods}->{'start_cdata'} = sub { };
}
}
}
#-------------------------------------------------------------------#
# Class->new(%options)
#-------------------------------------------------------------------#
sub new {
my $proto = shift;
my $class = ref($proto) || $proto;
my $options = ($#_ == 0) ? shift : { @_ };
unless ( defined( $options->{Handler} ) or
defined( $options->{ContentHandler} ) or
defined( $options->{DTDHandler} ) or
defined( $options->{DocumentHandler} ) or
defined( $options->{LexicalHandler} ) or
defined( $options->{ErrorHandler} ) or
defined( $options->{DeclHandler} ) ) {
$options->{Handler} = XML::SAX::Base::NoHandler->new;
}
my $self = bless $options, $class;
# turn NS processing on by default
$self->set_feature('http://xml.org/sax/features/namespaces', 1);
return $self;
}
#-------------------------------------------------------------------#
#-------------------------------------------------------------------#
# $p->parse(%options)
#-------------------------------------------------------------------#
sub parse {
my $self = shift;
my $parse_options = $self->get_options(@_);
local $self->{ParseOptions} = $parse_options;
if ($self->{Parent}) { # calling parse on a filter for some reason
return $self->{Parent}->parse($parse_options);
}
else {
my $method;
if (defined $parse_options->{Source}{CharacterStream} and $method = $self->can('_parse_characterstream')) {
warn("parse charstream???\n");
return $method->($self, $parse_options->{Source}{CharacterStream});
}
elsif (defined $parse_options->{Source}{ByteStream} and $method = $self->can('_parse_bytestream')) {
return $method->($self, $parse_options->{Source}{ByteStream});
}
elsif (defined $parse_options->{Source}{String} and $method = $self->can('_parse_string')) {
return $method->($self, $parse_options->{Source}{String});
}
elsif (defined $parse_options->{Source}{SystemId} and $method = $self->can('_parse_systemid')) {
return $method->($self, $parse_options->{Source}{SystemId});
}
else {
die "No _parse_* routine defined on this driver (If it is a filter, remember to set the Parent property. If you call the parse() method, make sure to set a Source. You may want to call parse_uri, parse_string or parse_file instead.) [$self]";
}
}
}
#-------------------------------------------------------------------#
#-------------------------------------------------------------------#
# $p->parse_file(%options)
#-------------------------------------------------------------------#
sub parse_file {
my $self = shift;
my $file = shift;
return $self->parse_uri($file, @_) if ref(\$file) eq 'SCALAR';
my $parse_options = $self->get_options(@_);
$parse_options->{Source}{ByteStream} = $file;
return $self->parse($parse_options);
}
#-------------------------------------------------------------------#
#-------------------------------------------------------------------#
# $p->parse_uri(%options)
#-------------------------------------------------------------------#
sub parse_uri {
my $self = shift;
my $file = shift;
my $parse_options = $self->get_options(@_);
$parse_options->{Source}{SystemId} = $file;
return $self->parse($parse_options);
}
#-------------------------------------------------------------------#
#-------------------------------------------------------------------#
# $p->parse_string(%options)
#-------------------------------------------------------------------#
sub parse_string {
my $self = shift;
my $string = shift;
my $parse_options = $self->get_options(@_);
$parse_options->{Source}{String} = $string;
return $self->parse($parse_options);
}
#-------------------------------------------------------------------#
#-------------------------------------------------------------------#
# get_options
#-------------------------------------------------------------------#
sub get_options {
my $self = shift;
if (@_ == 1) {
return { %$self, %{$_[0]} };
} else {
return { %$self, @_ };
}
}
#-------------------------------------------------------------------#
#-------------------------------------------------------------------#
# get_features
#-------------------------------------------------------------------#
sub get_features {
return (
'http://xml.org/sax/features/external-general-entities' => undef,
'http://xml.org/sax/features/external-parameter-entities' => undef,
'http://xml.org/sax/features/is-standalone' => undef,
'http://xml.org/sax/features/lexical-handler' => undef,
'http://xml.org/sax/features/parameter-entities' => undef,
'http://xml.org/sax/features/namespaces' => 1,
'http://xml.org/sax/features/namespace-prefixes' => 0,
'http://xml.org/sax/features/string-interning' => undef,
'http://xml.org/sax/features/use-attributes2' => undef,
'http://xml.org/sax/features/use-locator2' => undef,
'http://xml.org/sax/features/validation' => undef,
'http://xml.org/sax/properties/dom-node' => undef,
'http://xml.org/sax/properties/xml-string' => undef,
);
}
#-------------------------------------------------------------------#
#-------------------------------------------------------------------#
# get_feature
#-------------------------------------------------------------------#
sub get_feature {
my $self = shift;
my $feat = shift;
# check %FEATURES to see if it's there, and return it if so
# throw XML::SAX::Exception::NotRecognized if it's not there
# throw XML::SAX::Exception::NotSupported if it's there but we
# don't support it
my %features = $self->get_features();
if (exists $features{$feat}) {
my %supported = map { $_ => 1 } $self->supported_features();
if ($supported{$feat}) {
return $self->{__PACKAGE__ . "::Features"}{$feat};
}
throw XML::SAX::Exception::NotSupported(
Message => "The feature '$feat' is not supported by " . ref($self),
Exception => undef,
);
}
throw XML::SAX::Exception::NotRecognized(
Message => "The feature '$feat' is not recognized by " . ref($self),
Exception => undef,
);
}
#-------------------------------------------------------------------#
#-------------------------------------------------------------------#
# set_feature
#-------------------------------------------------------------------#
sub set_feature {
my $self = shift;
my $feat = shift;
my $value = shift;
# check %FEATURES to see if it's there, and set it if so
# throw XML::SAX::Exception::NotRecognized if it's not there
# throw XML::SAX::Exception::NotSupported if it's there but we
# don't support it
my %features = $self->get_features();
if (exists $features{$feat}) {
my %supported = map { $_ => 1 } $self->supported_features();
if ($supported{$feat}) {
return $self->{__PACKAGE__ . "::Features"}{$feat} = $value;
}
throw XML::SAX::Exception::NotSupported(
Message => "The feature '$feat' is not supported by " . ref($self),
Exception => undef,
);
}
throw XML::SAX::Exception::NotRecognized(
Message => "The feature '$feat' is not recognized by " . ref($self),
Exception => undef,
);
}
#-------------------------------------------------------------------#
#-------------------------------------------------------------------#
# get_handler and friends
#-------------------------------------------------------------------#
sub get_handler {
my $self = shift;
my $handler_type = shift;
$handler_type ||= 'Handler';
return defined( $self->{$handler_type} ) ? $self->{$handler_type} : undef;
}
sub get_document_handler {
my $self = shift;
return $self->get_handler('DocumentHandler', @_);
}
sub get_content_handler {
my $self = shift;
return $self->get_handler('ContentHandler', @_);
}
sub get_dtd_handler {
my $self = shift;
return $self->get_handler('DTDHandler', @_);
}
sub get_lexical_handler {
my $self = shift;
return $self->get_handler('LexicalHandler', @_);
}
sub get_decl_handler {
my $self = shift;
return $self->get_handler('DeclHandler', @_);
}
sub get_error_handler {
my $self = shift;
return $self->get_handler('ErrorHandler', @_);
}
sub get_entity_resolver {
my $self = shift;
return $self->get_handler('EntityResolver', @_);
}
#-------------------------------------------------------------------#
#-------------------------------------------------------------------#
# set_handler and friends
#-------------------------------------------------------------------#
sub set_handler {
my $self = shift;
my ($new_handler, $handler_type) = reverse @_;
$handler_type ||= 'Handler';
$self->{Methods} = {} if $self->{Methods};
$self->{$handler_type} = $new_handler;
$self->{ParseOptions}->{$handler_type} = $new_handler;
return 1;
}
sub set_document_handler {
my $self = shift;
return $self->set_handler('DocumentHandler', @_);
}
sub set_content_handler {
my $self = shift;
return $self->set_handler('ContentHandler', @_);
}
sub set_dtd_handler {
my $self = shift;
return $self->set_handler('DTDHandler', @_);
}
sub set_lexical_handler {
my $self = shift;
return $self->set_handler('LexicalHandler', @_);
}
sub set_decl_handler {
my $self = shift;
return $self->set_handler('DeclHandler', @_);
}
sub set_error_handler {
my $self = shift;
return $self->set_handler('ErrorHandler', @_);
}
sub set_entity_resolver {
my $self = shift;
return $self->set_handler('EntityResolver', @_);
}
#-------------------------------------------------------------------#
#-------------------------------------------------------------------#
# supported_features
#-------------------------------------------------------------------#
sub supported_features {
my $self = shift;
# Only namespaces are required by all parsers
return (
'http://xml.org/sax/features/namespaces',
);
}
#-------------------------------------------------------------------#
sub no_op {
# this space intentionally blank
}
package XML::SAX::Base::NoHandler;
$XML::SAX::Base::NoHandler::VERSION = '1.09';
# we need a fake handler that doesn't implement anything, this
# simplifies the code a lot (though given the recent changes,
# it may be better to do without)
sub new {
#warn "no handler called\n";
return bless {};
}
1;
__END__
=head1 NAME
XML::SAX::Base - Base class SAX Drivers and Filters
=head1 SYNOPSIS
package MyFilter;
use XML::SAX::Base;
@ISA = ('XML::SAX::Base');
=head1 DESCRIPTION
This module has a very simple task - to be a base class for PerlSAX
drivers and filters. It's default behaviour is to pass the input directly
to the output unchanged. It can be useful to use this module as a base class
so you don't have to, for example, implement the characters() callback.
The main advantages that it provides are easy dispatching of events the right
way (ie it takes care for you of checking that the handler has implemented
that method, or has defined an AUTOLOAD), and the guarantee that filters
will pass along events that they aren't implementing to handlers downstream
that might nevertheless be interested in them.
=head1 WRITING SAX DRIVERS AND FILTERS
The Perl Sax API Reference is at L<http://perl-xml.sourceforge.net/perl-sax/>.
Writing SAX Filters is tremendously easy: all you need to do is
inherit from this module, and define the events you want to handle. A
more detailed explanation can be found at
http://www.xml.com/pub/a/2001/10/10/sax-filters.html.
Writing Drivers is equally simple. The one thing you need to pay
attention to is B<NOT> to call events yourself (this applies to Filters
as well). For instance:
package MyFilter;
use base qw(XML::SAX::Base);
sub start_element {
my $self = shift;
my $data = shift;
# do something
$self->{Handler}->start_element($data); # BAD
}
The above example works well as precisely that: an example. But it has
several faults: 1) it doesn't test to see whether the handler defines
start_element. Perhaps it doesn't want to see that event, in which
case you shouldn't throw it (otherwise it'll die). 2) it doesn't check
ContentHandler and then Handler (ie it doesn't look to see that the
user hasn't requested events on a specific handler, and if not on the
default one), 3) if it did check all that, not only would the code be
cumbersome (see this module's source to get an idea) but it would also
probably have to check for a DocumentHandler (in case this were SAX1)
and for AUTOLOADs potentially defined in all these packages. As you can
tell, that would be fairly painful. Instead of going through that,
simply remember to use code similar to the following instead:
package MyFilter;
use base qw(XML::SAX::Base);
sub start_element {
my $self = shift;
my $data = shift;
# do something to filter
$self->SUPER::start_element($data); # GOOD (and easy) !
}
This way, once you've done your job you hand the ball back to
XML::SAX::Base and it takes care of all those problems for you!
Note that the above example doesn't apply to filters only, drivers
will benefit from the exact same feature.
=head1 METHODS
A number of methods are defined within this class for the purpose of
inheritance. Some probably don't need to be overridden (eg parse_file)
but some clearly should be (eg parse). Options for these methods are
described in the PerlSAX2 specification available from
http://cvs.sourceforge.net/cgi-bin/viewcvs.cgi/~checkout~/perl-xml/libxml-perl/doc/sax-2.0.html?rev=HEAD&content-type=text/html.
=over 4
=item * parse
The parse method is the main entry point to parsing documents. Internally
the parse method will detect what type of "thing" you are parsing, and
call the appropriate method in your implementation class. Here is the
mapping table of what is in the Source options (see the Perl SAX 2.0
specification for the meaning of these values):
Source Contains parse() calls
=============== =============
CharacterStream (*) _parse_characterstream($stream, $options)
ByteStream _parse_bytestream($stream, $options)
String _parse_string($string, $options)
SystemId _parse_systemid($string, $options)
However note that these methods may not be sensible if your driver class
is not for parsing XML. An example might be a DBI driver that generates
XML/SAX from a database table. If that is the case, you likely want to
write your own parse() method.
Also note that the Source may contain both a PublicId entry, and an
Encoding entry. To get at these, examine $options->{Source} as passed
to your method.
(*) A CharacterStream is a filehandle that does not need any encoding
translation done on it. This is implemented as a regular filehandle
and only works under Perl 5.7.2 or higher using PerlIO. To get a single
character, or number of characters from it, use the perl core read()
function. To get a single byte from it (or number of bytes), you can
use sysread(). The encoding of the stream should be in the Encoding
entry for the Source.
=item * parse_file, parse_uri, parse_string
These are all convenience variations on parse(), and in fact simply
set up the options before calling it. You probably don't need to
override these.
=item * get_options
This is a convenience method to get options in SAX2 style, or more
generically either as hashes or as hashrefs (it returns a hashref).
You will probably want to use this method in your own implementations
of parse() and of new().
=item * get_feature, set_feature
These simply get and set features, and throw the
appropriate exceptions defined in the specification if need be.
If your subclass defines features not defined in this one,
then you should override these methods in such a way that they check for
your features first, and then call the base class's methods
for features not defined by your class. An example would be:
sub get_feature {
my $self = shift;
my $feat = shift;
if (exists $MY_FEATURES{$feat}) {
# handle the feature in various ways
}
else {
return $self->SUPER::get_feature($feat);
}
}
Currently this part is unimplemented.
=item * set_handler
This method takes a handler type (Handler, ContentHandler, etc.) and a
handler object as arguments, and changes the current handler for that
handler type, while taking care of resetting the internal state that
needs to be reset. This allows one to change a handler during parse
without running into problems (changing it on the parser object
directly will most likely cause trouble).
=item * set_document_handler, set_content_handler, set_dtd_handler, set_lexical_handler, set_decl_handler, set_error_handler, set_entity_resolver
These are just simple wrappers around the former method, and take a
handler object as their argument. Internally they simply call
set_handler with the correct arguments.
=item * get_handler
The inverse of set_handler, this method takes a an optional string containing a handler type (DTDHandler,
ContentHandler, etc. 'Handler' is used if no type is passed). It returns a reference to the object that implements
that class, or undef if that handler type is not set for the current driver/filter.
=item * get_document_handler, get_content_handler, get_dtd_handler, get_lexical_handler, get_decl_handler,
get_error_handler, get_entity_resolver
These are just simple wrappers around the get_handler() method, and take no arguments. Internally
they simply call get_handler with the correct handler type name.
=back
It would be rather useless to describe all the methods that this
module implements here. They are all the methods supported in SAX1 and
SAX2. In case your memory is a little short, here is a list. The
apparent duplicates are there so that both versions of SAX can be
supported.
=over 4
=item * start_document
=item * end_document
=item * start_element
=item * start_document
=item * end_document
=item * start_element
=item * end_element
=item * characters
=item * processing_instruction
=item * ignorable_whitespace
=item * set_document_locator
=item * start_prefix_mapping
=item * end_prefix_mapping
=item * skipped_entity
=item * start_cdata
=item * end_cdata
=item * comment
=item * entity_reference
=item * notation_decl
=item * unparsed_entity_decl
=item * element_decl
=item * attlist_decl
=item * doctype_decl
=item * xml_decl
=item * entity_decl
=item * attribute_decl
=item * internal_entity_decl
=item * external_entity_decl
=item * resolve_entity
=item * start_dtd
=item * end_dtd
=item * start_entity
=item * end_entity
=item * warning
=item * error
=item * fatal_error
=back
=head1 TODO
- more tests
- conform to the "SAX Filters" and "Java and DOM compatibility"
sections of the SAX2 document.
=head1 AUTHOR
Kip Hampton (khampton@totalcinema.com) did most of the work, after porting
it from XML::Filter::Base.
Robin Berjon (robin@knowscape.com) pitched in with patches to make it
usable as a base for drivers as well as filters, along with other patches.
Matt Sergeant (matt@sergeant.org) wrote the original XML::Filter::Base,
and patched a few things here and there, and imported it into
the XML::SAX distribution.
=head1 SEE ALSO
L<XML::SAX>
=cut
PK �fl\Q�� B B % perl5/5.32/XML/SAX/DocumentLocator.pmnu ��6�$ # $Id$
package XML::SAX::DocumentLocator;
use strict;
sub new {
my $class = shift;
my %object;
tie %object, $class, @_;
return bless \%object, $class;
}
sub TIEHASH {
my $class = shift;
my ($pubmeth, $sysmeth, $linemeth, $colmeth, $encmeth, $xmlvmeth) = @_;
return bless {
pubmeth => $pubmeth,
sysmeth => $sysmeth,
linemeth => $linemeth,
colmeth => $colmeth,
encmeth => $encmeth,
xmlvmeth => $xmlvmeth,
}, $class;
}
sub FETCH {
my ($self, $key) = @_;
my $method;
if ($key eq 'PublicId') {
$method = $self->{pubmeth};
}
elsif ($key eq 'SystemId') {
$method = $self->{sysmeth};
}
elsif ($key eq 'LineNumber') {
$method = $self->{linemeth};
}
elsif ($key eq 'ColumnNumber') {
$method = $self->{colmeth};
}
elsif ($key eq 'Encoding') {
$method = $self->{encmeth};
}
elsif ($key eq 'XMLVersion') {
$method = $self->{xmlvmeth};
}
if ($method) {
my $value = $method->($key);
return $value;
}
return undef;
}
sub EXISTS {
my ($self, $key) = @_;
if ($key =~ /^(PublicId|SystemId|LineNumber|ColumnNumber|Encoding|XMLVersion)$/) {
return 1;
}
return 0;
}
sub STORE {
my ($self, $key, $value) = @_;
}
sub DELETE {
my ($self, $key) = @_;
}
sub CLEAR {
my ($self) = @_;
}
sub FIRSTKEY {
my ($self) = @_;
# assignment resets.
$self->{keys} = {
PublicId => 1,
SystemId => 1,
LineNumber => 1,
ColumnNumber => 1,
Encoding => 1,
XMLVersion => 1,
};
return each %{$self->{keys}};
}
sub NEXTKEY {
my ($self, $lastkey) = @_;
return each %{$self->{keys}};
}
1;
__END__
=head1 NAME
XML::SAX::DocumentLocator - Helper class for document locators
=head1 SYNOPSIS
my $locator = XML::SAX::DocumentLocator->new(
sub { $object->get_public_id },
sub { $object->get_system_id },
sub { $reader->current_line },
sub { $reader->current_column },
sub { $reader->get_encoding },
sub { $reader->get_xml_version },
);
=head1 DESCRIPTION
This module gives you a tied hash reference that calls the
specified closures when asked for PublicId, SystemId,
LineNumber and ColumnNumber.
It is useful for writing SAX Parsers so that you don't have
to constantly update the line numbers in a hash reference on
the object you pass to set_document_locator(). See the source
code for XML::SAX::PurePerl for a usage example.
=head1 API
There is only 1 method: C<new>. Simply pass it a list of
closures that when called will return the PublicId, the
SystemId, the LineNumber, the ColumnNumber, the Encoding
and the XMLVersion respectively.
The closures are passed a single parameter, the key being
requested. But you're free to ignore that.
=cut
PK �fl\�9ms� � perl5/5.32/XML/SAX/Exception.pmnu ��6�$ package XML::SAX::Exception;
$XML::SAX::Exception::VERSION = '1.09';
use strict;
use overload '""' => "stringify",
'fallback' => 1;
use vars qw($StackTrace);
use Carp;
$StackTrace = $ENV{XML_DEBUG} || 0;
# Other exception classes:
@XML::SAX::Exception::NotRecognized::ISA = ('XML::SAX::Exception');
@XML::SAX::Exception::NotSupported::ISA = ('XML::SAX::Exception');
@XML::SAX::Exception::Parse::ISA = ('XML::SAX::Exception');
sub throw {
my $class = shift;
if (ref($class)) {
die $class;
}
die $class->new(@_);
}
sub new {
my $class = shift;
my %opts = @_;
confess "Invalid options: " . join(', ', keys %opts) unless exists $opts{Message};
bless { ($StackTrace ? (StackTrace => stacktrace()) : ()), %opts },
$class;
}
sub stringify {
my $self = shift;
local $^W;
my $error;
if (exists $self->{LineNumber}) {
$error = $self->{Message} . " [Ln: " . $self->{LineNumber} .
", Col: " . $self->{ColumnNumber} . "]";
}
else {
$error = $self->{Message};
}
if ($StackTrace) {
$error .= stackstring($self->{StackTrace});
}
$error .= "\n";
return $error;
}
sub stacktrace {
my $i = 2;
my @fulltrace;
while (my @trace = caller($i++)) {
my %hash;
@hash{qw(Package Filename Line)} = @trace[0..2];
push @fulltrace, \%hash;
}
return \@fulltrace;
}
sub stackstring {
my $stacktrace = shift;
my $string = "\nFrom:\n";
foreach my $current (@$stacktrace) {
$string .= $current->{Filename} . " Line: " . $current->{Line} . "\n";
}
return $string;
}
1;
__END__
=head1 NAME
XML::SAX::Exception - Exception classes for XML::SAX
=head1 SYNOPSIS
throw XML::SAX::Exception::NotSupported(
Message => "The foo feature is not supported",
);
=head1 DESCRIPTION
This module is the base class for all SAX Exceptions, those defined in
the spec as well as those that one may create for one's own SAX errors.
There are three subclasses included, corresponding to those of the SAX
spec:
XML::SAX::Exception::NotSupported
XML::SAX::Exception::NotRecognized
XML::SAX::Exception::Parse
Use them wherever you want, and as much as possible when you encounter
such errors. SAX is meant to use exceptions as much as possible to
flag problems.
=head1 CREATING NEW EXCEPTION CLASSES
All you need to do to create a new exception class is:
@XML::SAX::Exception::MyException::ISA = ('XML::SAX::Exception')
The given package doesn't need to exist, it'll behave correctly this
way. If your exception refines an existing exception class, then you
may also inherit from that instead of from the base class.
=head1 THROWING EXCEPTIONS
This is as simple as exemplified in the SYNOPSIS. In fact, there's
nothing more to know. All you have to do is:
throw XML::SAX::Exception::MyException( Message => 'Something went wrong' );
and voila, you've thrown an exception which can be caught in an eval block.
=cut
PK �fl\u��=�9 �9 perl5/5.32/XML/SAX/Intro.podnu ��6�$ =head1 NAME
XML::SAX::Intro - An Introduction to SAX Parsing with Perl
=head1 Introduction
XML::SAX is a new way to work with XML Parsers in Perl. In this article
we'll discuss why you should be using SAX, why you should be using
XML::SAX, and we'll see some of the finer implementation details. The
text below assumes some familiarity with callback, or push based
parsing, but if you are unfamiliar with these techniques then a good
place to start is Kip Hampton's excellent series of articles on XML.com.
=head1 Replacing XML::Parser
The de-facto way of parsing XML under perl is to use Larry Wall and
Clark Cooper's XML::Parser. This module is a Perl and XS wrapper around
the expat XML parser library by James Clark. It has been a hugely
successful project, but suffers from a couple of rather major flaws.
Firstly it is a proprietary API, designed before the SAX API was
conceived, which means that it is not easily replaceable by other
streaming parsers. Secondly it's callbacks are subrefs. This doesn't
sound like much of an issue, but unfortunately leads to code like:
sub handle_start {
my ($e, $el, %attrs) = @_;
if ($el eq 'foo') {
$e->{inside_foo}++; # BAD! $e is an XML::Parser::Expat object.
}
}
As you can see, we're using the $e object to hold our state
information, which is a bad idea because we don't own that object - we
didn't create it. It's an internal object of XML::Parser, that happens
to be a hashref. We could all too easily overwrite XML::Parser internal
state variables by using this, or Clark could change it to an array ref
(not that he would, because it would break so much code, but he could).
The only way currently with XML::Parser to safely maintain state is to
use a closure:
my $state = MyState->new();
$parser->setHandlers(Start => sub { handle_start($state, @_) });
This closure traps the $state variable, which now gets passed as the
first parameter to your callback. Unfortunately very few people use
this technique, as it is not documented in the XML::Parser POD files.
Another reason you might not want to use XML::Parser is because you
need some feature that it doesn't provide (such as validation), or you
might need to use a library that doesn't use expat, due to it not being
installed on your system, or due to having a restrictive ISP. Using SAX
allows you to work around these restrictions.
=head1 Introducing SAX
SAX stands for the Simple API for XML. And simple it really is.
Constructing a SAX parser and passing events to handlers is done as
simply as:
use XML::SAX;
use MySAXHandler;
my $parser = XML::SAX::ParserFactory->parser(
Handler => MySAXHandler->new
);
$parser->parse_uri("foo.xml");
The important concept to grasp here is that SAX uses a factory class
called XML::SAX::ParserFactory to create a new parser instance. The
reason for this is so that you can support other underlying
parser implementations for different feature sets. This is one thing
that XML::Parser has always sorely lacked.
In the code above we see the parse_uri method used, but we could
have equally well
called parse_file, parse_string, or parse(). Please see XML::SAX::Base
for what these methods take as parameters, but don't be fooled into
believing parse_file takes a filename. No, it takes a file handle, a
glob, or a subclass of IO::Handle. Beware.
SAX works very similarly to XML::Parser's default callback method,
except it has one major difference: rather than setting individual
callbacks, you create a new class in which to receive the callbacks.
Each callback is called as a method call on an instance of that handler
class. An example will best demonstrate this:
package MySAXHandler;
use base qw(XML::SAX::Base);
sub start_document {
my ($self, $doc) = @_;
# process document start event
}
sub start_element {
my ($self, $el) = @_;
# process element start event
}
Now, when we instantiate this as above, and parse some XML with this as
the handler, the methods start_document and start_element will be
called as method calls, so this would be the equivalent of directly
calling:
$object->start_element($el);
Notice how this is different to XML::Parser's calling style, which
calls:
start_element($e, $name, %attribs);
It's the difference between function calling and method calling which
allows you to subclass SAX handlers which contributes to SAX being a
powerful solution.
As you can see, unlike XML::Parser, we have to define a new package in
which to do our processing (there are hacks you can do to make this
uneccessary, but I'll leave figuring those out to the experts). The
biggest benefit of this is that you maintain your own state variable
($self in the above example) thus freeing you of the concerns listed
above. It is also an improvement in maintainability - you can place the
code in a separate file if you wish to, and your callback methods are
always called the same thing, rather than having to choose a suitable
name for them as you had to with XML::Parser. This is an obvious win.
SAX parsers are also very flexible in how you pass a handler to them.
You can use a constructor parameter as we saw above, or we can pass the
handler directly in the call to one of the parse methods:
$parser->parse(Handler => $handler,
Source => { SystemId => "foo.xml" });
# or...
$parser->parse_file($fh, Handler => $handler);
This flexibility allows for one parser to be used in many different
scenarios throughout your script (though one shouldn't feel pressure to
use this method, as parser construction is generally not a time
consuming process).
=head1 Callback Parameters
The only other thing you need to know to understand basic SAX is the
structure of the parameters passed to each of the callbacks. In
XML::Parser, all parameters are passed as multiple options to the
callbacks, so for example the Start callback would be called as
my_start($e, $name, %attributes), and the PI callback would be called
as my_processing_instruction($e, $target, $data). In SAX, every
callback is passed a hash reference, containing entries that define our
"node". The key callbacks and the structures they receive are:
=head2 start_element
The start_element handler is called whenever a parser sees an opening
tag. It is passed an element structure consisting of:
=over 4
=item LocalName
The name of the element minus any namespace prefix it may
have come with in the document.
=item NamespaceURI
The URI of the namespace associated with this element,
or the empty string for none.
=item Attributes
A set of attributes as described below.
=item Name
The name of the element as it was seen in the document (i.e.
including any prefix associated with it)
=item Prefix
The prefix used to qualify this element's namespace, or the
empty string if none.
=back
The B<Attributes> are a hash reference, keyed by what we have called
"James Clark" notation. This means that the attribute name has been
expanded to include any associated namespace URI, and put together as
{ns}name, where "ns" is the expanded namespace URI of the attribute if
and only if the attribute had a prefix, and "name" is the LocalName of
the attribute.
The value of each entry in the attributes hash is another hash
structure consisting of:
=over 4
=item LocalName
The name of the attribute minus any namespace prefix it may have
come with in the document.
=item NamespaceURI
The URI of the namespace associated with this attribute. If the
attribute had no prefix, then this consists of just the empty string.
=item Name
The attribute's name as it appeared in the document, including any
namespace prefix.
=item Prefix
The prefix used to qualify this attribute's namepace, or the
empty string if none.
=item Value
The value of the attribute.
=back
So a full example, as output by Data::Dumper might be:
....
=head2 end_element
The end_element handler is called either when a parser sees a closing
tag, or after start_element has been called for an empty element (do
note however that a parser may if it is so inclined call characters
with an empty string when it sees an empty element. There is no simple
way in SAX to determine if the parser in fact saw an empty element, a
start and end element with no content..
The end_element handler receives exactly the same structure as
start_element, minus the Attributes entry. One must note though that it
should not be a reference to the same data as start_element receives,
so you may change the values in start_element but this will not affect
the values later seen by end_element.
=head2 characters
The characters callback may be called in serveral circumstances. The
most obvious one is when seeing ordinary character data in the markup.
But it is also called for text in a CDATA section, and is also called
in other situations. A SAX parser has to make no guarantees whatsoever
about how many times it may call characters for a stretch of text in an
XML document - it may call once, or it may call once for every
character in the text. In order to work around this it is often
important for the SAX developer to use a bundling technique, where text
is gathered up and processed in one of the other callbacks. This is not
always necessary, but it is a worthwhile technique to learn, which we
will cover in XML::SAX::Advanced (when I get around to writing it).
The characters handler is called with a very simple structure - a hash
reference consisting of just one entry:
=over 4
=item Data
The text data that was received.
=back
=head2 comment
The comment callback is called for comment text. Unlike with
C<characters()>, the comment callback *must* be invoked just once for an
entire comment string. It receives a single simple structure - a hash
reference containing just one entry:
=over 4
=item Data
The text of the comment.
=back
=head2 processing_instruction
The processing instruction handler is called for all processing
instructions in the document. Note that these processing instructions
may appear before the document root element, or after it, or anywhere
where text and elements would normally appear within the document,
according to the XML specification.
The handler is passed a structure containing just two entries:
=over 4
=item Target
The target of the processing instrcution
=item Data
The text data in the processing instruction. Can be an empty
string for a processing instruction that has no data element.
For example E<lt>?wiggle?E<gt> is a perfectly valid processing instruction.
=back
=head1 Tip of the iceberg
What we have discussed above is really the tip of the SAX iceberg. And
so far it looks like there's not much of interest to SAX beyond what we
have seen with XML::Parser. But it does go much further than that, I
promise.
People who hate Object Oriented code for the sake of it may be thinking
here that creating a new package just to parse something is a waste
when they've been parsing things just fine up to now using procedural
code. But there's reason to all this madness. And that reason is SAX
Filters.
As you saw right at the very start, to let the parser know about our
class, we pass it an instance of our class as the Handler to the
parser. But now imagine what would happen if our class could also take
a Handler option, and simply do some processing and pass on our data
further down the line? That in a nutshell is how SAX filters work. It's
Unix pipes for the 21st century!
There are two downsides to this. Number 1 - writing SAX filters can be
tricky. If you look into the future and read the advanced tutorial I'm
writing, you'll see that Handler can come in several shapes and sizes.
So making sure your filter does the right thing can be tricky.
Secondly, constructing complex filter chains can be difficult, and
simple thinking tells us that we only get one pass at our document,
when often we'll need more than that.
Luckily though, those downsides have been fixed by the release of two
very cool modules. What's even better is that I didn't write either of
them!
The first module is XML::SAX::Base. This is a VITAL SAX module that
acts as a base class for all SAX parsers and filters. It provides an
abstraction away from calling the handler methods, that makes sure your
filter or parser does the right thing, and it does it FAST. So, if you
ever need to write a SAX filter, which if you're processing XML -> XML,
or XML -> HTML, then you probably do, then you need to be writing it as
a subclass of XML::SAX::Base. Really - this is advice not to ignore
lightly. I will not go into the details of writing a SAX filter here.
Kip Hampton, the author of XML::SAX::Base has covered this nicely in
his article on XML.com here <URI>.
To construct SAX pipelines, Barrie Slaymaker, a long time Perl hacker
whose modules you will probably have heard of or used, wrote a very
clever module called XML::SAX::Machines. This combines some really
clever SAX filter-type modules, with a construction toolkit for filters
that makes building pipelines easy. But before we see how it makes
things easy, first lets see how tricky it looks to build complex SAX
filter pipelines.
use XML::SAX::ParserFactory;
use XML::Filter::Filter1;
use XML::Filter::Filter2;
use XML::SAX::Writer;
my $output_string;
my $writer = XML::SAX::Writer->new(Output => \$output_string);
my $filter2 = XML::SAX::Filter2->new(Handler => $writer);
my $filter1 = XML::SAX::Filter1->new(Handler => $filter2);
my $parser = XML::SAX::ParserFactory->parser(Handler => $filter1);
$parser->parse_uri("foo.xml");
This is a lot easier with XML::SAX::Machines:
use XML::SAX::Machines qw(Pipeline);
my $output_string;
my $parser = Pipeline(
XML::SAX::Filter1 => XML::SAX::Filter2 => \$output_string
);
$parser->parse_uri("foo.xml");
One of the main benefits of XML::SAX::Machines is that the pipelines
are constructed in natural order, rather than the reverse order we saw
with manual pipeline construction. XML::SAX::Machines takes care of all
the internals of pipe construction, providing you at the end with just
a parser you can use (and you can re-use the same parser as many times
as you need to).
Just a final tip. If you ever get stuck and are confused about what is
being passed from one SAX filter or parser to the next, then
Devel::TraceSAX will come to your rescue. This perl debugger plugin
will allow you to dump the SAX stream of events as it goes by. Usage is
really very simple just call your perl script that uses SAX as follows:
$ perl -d:TraceSAX <scriptname>
And preferably pipe the output to a pager of some sort, such as more or
less. The output is extremely verbose, but should help clear some
issues up.
=head1 AUTHOR
Matt Sergeant, matt@sergeant.org
$Id$
=cut
PK �fl\�q�i� � perl5/5.32/XML/Simple.pmnu ��6�$ package XML::Simple;
$XML::Simple::VERSION = '2.25';
=head1 NAME
XML::Simple - An API for simple XML files
=head1 SYNOPSIS
PLEASE DO NOT USE THIS MODULE IN NEW CODE. If you ignore this
warning and use it anyway, the C<qw(:strict)> mode will save you a little pain.
use XML::Simple qw(:strict);
my $ref = XMLin([<xml file or string>] [, <options>]);
my $xml = XMLout($hashref [, <options>]);
Or the object oriented way:
require XML::Simple qw(:strict);
my $xs = XML::Simple->new([<options>]);
my $ref = $xs->XMLin([<xml file or string>] [, <options>]);
my $xml = $xs->XMLout($hashref [, <options>]);
(or see L<"SAX SUPPORT"> for 'the SAX way').
Note, in these examples, the square brackets are used to denote optional items
not to imply items should be supplied in arrayrefs.
=cut
# See after __END__ for more POD documentation
# Load essentials here, other modules loaded on demand later
use strict;
use warnings;
use warnings::register;
use Carp;
use Scalar::Util qw();
require Exporter;
##############################################################################
# Define some constants
#
use vars qw($VERSION @ISA @EXPORT @EXPORT_OK $PREFERRED_PARSER);
@ISA = qw(Exporter);
@EXPORT = qw(XMLin XMLout);
@EXPORT_OK = qw(xml_in xml_out);
my %StrictMode = ();
my @KnownOptIn = qw(keyattr keeproot forcecontent contentkey noattr
searchpath forcearray cache suppressempty parseropts
grouptags nsexpand datahandler varattr variables
normalisespace normalizespace valueattr strictmode);
my @KnownOptOut = qw(keyattr keeproot contentkey noattr
rootname xmldecl outputfile noescape suppressempty
grouptags nsexpand handler noindent attrindent nosort
valueattr numericescape strictmode);
my @DefKeyAttr = qw(name key id);
my $DefRootName = qq(opt);
my $DefContentKey = qq(content);
my $DefXmlDecl = qq(<?xml version='1.0' standalone='yes'?>);
my $xmlns_ns = 'http://www.w3.org/2000/xmlns/';
my $bad_def_ns_jcn = '{' . $xmlns_ns . '}'; # LibXML::SAX workaround
##############################################################################
# Globals for use by caching routines
#
my %MemShareCache = ();
my %MemCopyCache = ();
##############################################################################
# Wrapper for Exporter - handles ':strict'
#
sub import {
# Handle the :strict tag
my($calling_package) = caller();
_strict_mode_for_caller(1) if grep(/^:strict$/, @_);
# Pass everything else to Exporter.pm
@_ = grep(!/^:strict$/, @_);
goto &Exporter::import;
}
##############################################################################
# Constructor for optional object interface.
#
sub new {
my $class = shift;
if(@_ % 2) {
croak "Default options must be name=>value pairs (odd number supplied)";
}
my %known_opt;
@known_opt{@KnownOptIn, @KnownOptOut} = ();
my %raw_opt = @_;
$raw_opt{strictmode} = _strict_mode_for_caller()
unless exists $raw_opt{strictmode};
my %def_opt;
while(my($key, $val) = each %raw_opt) {
my $lkey = lc($key);
$lkey =~ s/_//g;
croak "Unrecognised option: $key" unless(exists($known_opt{$lkey}));
$def_opt{$lkey} = $val;
}
my $self = { def_opt => \%def_opt };
return(bless($self, $class));
}
##############################################################################
# Sub: _strict_mode_for_caller()
#
# Gets or sets the XML::Simple :strict mode flag for the calling namespace.
# Walks back through call stack to find the calling namespace and sets the
# :strict mode flag for that namespace if an argument was supplied and returns
# the flag value if not.
#
sub _strict_mode_for_caller {
my $set_mode = @_;
my $frame = 1;
while(my($package) = caller($frame++)) {
next if $package eq 'XML::Simple';
$StrictMode{$package} = 1 if $set_mode;
return $StrictMode{$package};
}
return(0);
}
##############################################################################
# Sub: _get_object()
#
# Helper routine called from XMLin() and XMLout() to create an object if none
# was provided. Note, this routine does mess with the caller's @_ array.
#
sub _get_object {
my $self;
if($_[0] and UNIVERSAL::isa($_[0], 'XML::Simple')) {
$self = shift;
}
else {
$self = XML::Simple->new();
}
return $self;
}
##############################################################################
# Sub/Method: XMLin()
#
# Exported routine for slurping XML into a hashref - see pod for info.
#
# May be called as object method or as a plain function.
#
# Expects one arg for the source XML, optionally followed by a number of
# name => value option pairs.
#
sub XMLin {
my $self = &_get_object; # note, @_ is passed implicitly
my $target = shift;
# Work out whether to parse a string, a file or a filehandle
if(not defined $target) {
return $self->parse_file(undef, @_);
}
elsif($target eq '-') {
local($/) = undef;
$target = <STDIN>;
return $self->parse_string(\$target, @_);
}
elsif(my $type = ref($target)) {
if($type eq 'SCALAR') {
return $self->parse_string($target, @_);
}
else {
return $self->parse_fh($target, @_);
}
}
elsif($target =~ m{<.*?>}s) {
return $self->parse_string(\$target, @_);
}
else {
return $self->parse_file($target, @_);
}
}
##############################################################################
# Sub/Method: parse_file()
#
# Same as XMLin, but only parses from a named file.
#
sub parse_file {
my $self = &_get_object; # note, @_ is passed implicitly
my $filename = shift;
$self->handle_options('in', @_);
$filename = $self->default_config_file if not defined $filename;
$filename = $self->find_xml_file($filename, @{$self->{opt}->{searchpath}});
# Check cache for previous parse
if($self->{opt}->{cache}) {
foreach my $scheme (@{$self->{opt}->{cache}}) {
my $method = 'cache_read_' . $scheme;
my $opt = $self->$method($filename);
return($opt) if($opt);
}
}
my $ref = $self->build_simple_tree($filename, undef);
if($self->{opt}->{cache}) {
my $method = 'cache_write_' . $self->{opt}->{cache}->[0];
$self->$method($ref, $filename);
}
return $ref;
}
##############################################################################
# Sub/Method: parse_fh()
#
# Same as XMLin, but only parses from a filehandle.
#
sub parse_fh {
my $self = &_get_object; # note, @_ is passed implicitly
my $fh = shift;
croak "Can't use " . (defined $fh ? qq{string ("$fh")} : 'undef') .
" as a filehandle" unless ref $fh;
$self->handle_options('in', @_);
return $self->build_simple_tree(undef, $fh);
}
##############################################################################
# Sub/Method: parse_string()
#
# Same as XMLin, but only parses from a string or a reference to a string.
#
sub parse_string {
my $self = &_get_object; # note, @_ is passed implicitly
my $string = shift;
$self->handle_options('in', @_);
return $self->build_simple_tree(undef, ref $string ? $string : \$string);
}
##############################################################################
# Method: default_config_file()
#
# Returns the name of the XML file to parse if no filename (or XML string)
# was provided.
#
sub default_config_file {
my $self = shift;
require File::Basename;
my($basename, $script_dir, $ext) = File::Basename::fileparse($0, '\.[^\.]+');
# Add script directory to searchpath
if($script_dir) {
unshift(@{$self->{opt}->{searchpath}}, $script_dir);
}
return $basename . '.xml';
}
##############################################################################
# Method: build_simple_tree()
#
# Builds a 'tree' data structure as provided by XML::Parser and then
# 'simplifies' it as specified by the various options in effect.
#
sub build_simple_tree {
my $self = shift;
my $tree = eval {
$self->build_tree(@_);
};
Carp::croak("$@XML::Simple called") if $@;
return $self->{opt}->{keeproot}
? $self->collapse({}, @$tree)
: $self->collapse(@{$tree->[1]});
}
##############################################################################
# Method: build_tree()
#
# This routine will be called if there is no suitable pre-parsed tree in a
# cache. It parses the XML and returns an XML::Parser 'Tree' style data
# structure (summarised in the comments for the collapse() routine below).
#
# XML::Simple requires the services of another module that knows how to parse
# XML. If XML::SAX is installed, the default SAX parser will be used,
# otherwise XML::Parser will be used.
#
# This routine expects to be passed a filename as argument 1 or a 'string' as
# argument 2. The 'string' might be a string of XML (passed by reference to
# save memory) or it might be a reference to an IO::Handle. (This
# non-intuitive mess results in part from the way XML::Parser works but that's
# really no excuse).
#
sub build_tree {
my $self = shift;
my $filename = shift;
my $string = shift;
my $preferred_parser = $PREFERRED_PARSER;
unless(defined($preferred_parser)) {
$preferred_parser = $ENV{XML_SIMPLE_PREFERRED_PARSER} || '';
}
if($preferred_parser eq 'XML::Parser') {
return($self->build_tree_xml_parser($filename, $string));
}
eval { require XML::SAX; }; # We didn't need it until now
if($@) { # No XML::SAX - fall back to XML::Parser
if($preferred_parser) { # unless a SAX parser was expressly requested
croak "XMLin() could not load XML::SAX";
}
return($self->build_tree_xml_parser($filename, $string));
}
$XML::SAX::ParserPackage = $preferred_parser if($preferred_parser);
my $sp = XML::SAX::ParserFactory->parser(Handler => $self);
$self->{nocollapse} = 1;
my($tree);
if($filename) {
$tree = $sp->parse_uri($filename);
}
else {
if(ref($string) && ref($string) ne 'SCALAR') {
$tree = $sp->parse_file($string);
}
else {
$tree = $sp->parse_string($$string);
}
}
return($tree);
}
##############################################################################
# Method: build_tree_xml_parser()
#
# This routine will be called if XML::SAX is not installed, or if XML::Parser
# was specifically requested. It takes the same arguments as build_tree() and
# returns the same data structure (XML::Parser 'Tree' style).
#
sub build_tree_xml_parser {
my $self = shift;
my $filename = shift;
my $string = shift;
eval {
local($^W) = 0; # Suppress warning from Expat.pm re File::Spec::load()
require XML::Parser; # We didn't need it until now
};
if($@) {
croak "XMLin() requires either XML::SAX or XML::Parser";
}
if($self->{opt}->{nsexpand}) {
carp "'nsexpand' option requires XML::SAX";
}
my $xp = $self->new_xml_parser();
my($tree);
if($filename) {
# $tree = $xp->parsefile($filename); # Changed due to prob w/mod_perl
open(my $xfh, '<', $filename) || croak qq($filename - $!);
$tree = $xp->parse($xfh);
}
else {
$tree = $xp->parse($$string);
}
return($tree);
}
##############################################################################
# Method: new_xml_parser()
#
# Simply calls the XML::Parser constructor. Override this method to customise
# the behaviour of the parser.
#
sub new_xml_parser {
my($self) = @_;
my $xp = XML::Parser->new(Style => 'Tree', @{$self->{opt}->{parseropts}});
$xp->setHandlers(ExternEnt => sub {return $_[2]});
return $xp;
}
##############################################################################
# Method: cache_write_storable()
#
# Wrapper routine for invoking Storable::nstore() to cache a parsed data
# structure.
#
sub cache_write_storable {
my($self, $data, $filename) = @_;
my $cachefile = $self->storable_filename($filename);
require Storable; # We didn't need it until now
if ('VMS' eq $^O) {
Storable::nstore($data, $cachefile);
}
else {
# If the following line fails for you, your Storable.pm is old - upgrade
Storable::lock_nstore($data, $cachefile);
}
}
##############################################################################
# Method: cache_read_storable()
#
# Wrapper routine for invoking Storable::retrieve() to read a cached parsed
# data structure. Only returns cached data if the cache file exists and is
# newer than the source XML file.
#
sub cache_read_storable {
my($self, $filename) = @_;
my $cachefile = $self->storable_filename($filename);
return unless(-r $cachefile);
return unless((stat($cachefile))[9] > (stat($filename))[9]);
require Storable; # We didn't need it until now
if ('VMS' eq $^O) {
return(Storable::retrieve($cachefile));
}
else {
return(Storable::lock_retrieve($cachefile));
}
}
##############################################################################
# Method: storable_filename()
#
# Translates the supplied source XML filename into a filename for the storable
# cached data. A '.stor' suffix is added after stripping an optional '.xml'
# suffix.
#
sub storable_filename {
my($self, $cachefile) = @_;
$cachefile =~ s{(\.xml)?$}{.stor};
return $cachefile;
}
##############################################################################
# Method: cache_write_memshare()
#
# Takes the supplied data structure reference and stores it away in a global
# hash structure.
#
sub cache_write_memshare {
my($self, $data, $filename) = @_;
$MemShareCache{$filename} = [time(), $data];
}
##############################################################################
# Method: cache_read_memshare()
#
# Takes a filename and looks in a global hash for a cached parsed version.
#
sub cache_read_memshare {
my($self, $filename) = @_;
return unless($MemShareCache{$filename});
return unless($MemShareCache{$filename}->[0] > (stat($filename))[9]);
return($MemShareCache{$filename}->[1]);
}
##############################################################################
# Method: cache_write_memcopy()
#
# Takes the supplied data structure and stores a copy of it in a global hash
# structure.
#
sub cache_write_memcopy {
my($self, $data, $filename) = @_;
require Storable; # We didn't need it until now
$MemCopyCache{$filename} = [time(), Storable::dclone($data)];
}
##############################################################################
# Method: cache_read_memcopy()
#
# Takes a filename and looks in a global hash for a cached parsed version.
# Returns a reference to a copy of that data structure.
#
sub cache_read_memcopy {
my($self, $filename) = @_;
return unless($MemCopyCache{$filename});
return unless($MemCopyCache{$filename}->[0] > (stat($filename))[9]);
return(Storable::dclone($MemCopyCache{$filename}->[1]));
}
##############################################################################
# Sub/Method: XMLout()
#
# Exported routine for 'unslurping' a data structure out to XML.
#
# Expects a reference to a data structure and an optional list of option
# name => value pairs.
#
sub XMLout {
my $self = &_get_object; # note, @_ is passed implicitly
croak "XMLout() requires at least one argument" unless(@_);
my $ref = shift;
$self->handle_options('out', @_);
# If namespace expansion is set, XML::NamespaceSupport is required
if($self->{opt}->{nsexpand}) {
require XML::NamespaceSupport;
$self->{nsup} = XML::NamespaceSupport->new();
$self->{ns_prefix} = 'aaa';
}
# Wrap top level arrayref in a hash
if(UNIVERSAL::isa($ref, 'ARRAY')) {
$ref = { anon => $ref };
}
# Extract rootname from top level hash if keeproot enabled
if($self->{opt}->{keeproot}) {
my(@keys) = keys(%$ref);
if(@keys == 1) {
$ref = $ref->{$keys[0]};
$self->{opt}->{rootname} = $keys[0];
}
}
# Ensure there are no top level attributes if we're not adding root elements
elsif($self->{opt}->{rootname} eq '') {
if(UNIVERSAL::isa($ref, 'HASH')) {
my $refsave = $ref;
$ref = {};
foreach (keys(%$refsave)) {
if(ref($refsave->{$_})) {
$ref->{$_} = $refsave->{$_};
}
else {
$ref->{$_} = [ $refsave->{$_} ];
}
}
}
}
# Encode the hashref and write to file if necessary
$self->{_ancestors} = {};
my $xml = $self->value_to_xml($ref, $self->{opt}->{rootname}, '');
delete $self->{_ancestors};
if($self->{opt}->{xmldecl}) {
$xml = $self->{opt}->{xmldecl} . "\n" . $xml;
}
if($self->{opt}->{outputfile}) {
if(ref($self->{opt}->{outputfile})) {
my $fh = $self->{opt}->{outputfile};
if(UNIVERSAL::isa($fh, 'GLOB') and !UNIVERSAL::can($fh, 'print')) {
eval { require IO::Handle; };
croak $@ if $@;
}
return($fh->print($xml));
}
else {
open(my $out, '>', "$self->{opt}->{outputfile}") ||
croak "open($self->{opt}->{outputfile}): $!";
binmode($out, ':utf8') if($] >= 5.008);
print $out $xml or croak "print: $!";
close $out or croak "close: $!";
}
}
elsif($self->{opt}->{handler}) {
require XML::SAX;
my $sp = XML::SAX::ParserFactory->parser(
Handler => $self->{opt}->{handler}
);
return($sp->parse_string($xml));
}
else {
return($xml);
}
}
##############################################################################
# Method: handle_options()
#
# Helper routine for both XMLin() and XMLout(). Both routines handle their
# first argument and assume all other args are options handled by this routine.
# Saves a hash of options in $self->{opt}.
#
# If default options were passed to the constructor, they will be retrieved
# here and merged with options supplied to the method call.
#
# First argument should be the string 'in' or the string 'out'.
#
# Remaining arguments should be name=>value pairs. Sets up default values
# for options not supplied. Unrecognised options are a fatal error.
#
sub handle_options {
my $self = shift;
my $dirn = shift;
# Determine valid options based on context
my %known_opt;
if($dirn eq 'in') {
@known_opt{@KnownOptIn} = @KnownOptIn;
}
else {
@known_opt{@KnownOptOut} = @KnownOptOut;
}
# Store supplied options in hashref and weed out invalid ones
if(@_ % 2) {
croak "Options must be name=>value pairs (odd number supplied)";
}
my %raw_opt = @_;
my $opt = {};
$self->{opt} = $opt;
while(my($key, $val) = each %raw_opt) {
my $lkey = lc($key);
$lkey =~ s/_//g;
croak "Unrecognised option: $key" unless($known_opt{$lkey});
$opt->{$lkey} = $val;
}
# Merge in options passed to constructor
foreach (keys(%known_opt)) {
unless(exists($opt->{$_})) {
if(exists($self->{def_opt}->{$_})) {
$opt->{$_} = $self->{def_opt}->{$_};
}
}
}
# Set sensible defaults if not supplied
if(exists($opt->{rootname})) {
unless(defined($opt->{rootname})) {
$opt->{rootname} = '';
}
}
else {
$opt->{rootname} = $DefRootName;
}
if($opt->{xmldecl} and $opt->{xmldecl} eq '1') {
$opt->{xmldecl} = $DefXmlDecl;
}
if(exists($opt->{contentkey})) {
if($opt->{contentkey} =~ m{^-(.*)$}) {
$opt->{contentkey} = $1;
$opt->{collapseagain} = 1;
}
}
else {
$opt->{contentkey} = $DefContentKey;
}
unless(exists($opt->{normalisespace})) {
$opt->{normalisespace} = $opt->{normalizespace};
}
$opt->{normalisespace} = 0 unless(defined($opt->{normalisespace}));
# Cleanups for values assumed to be arrays later
if($opt->{searchpath}) {
unless(ref($opt->{searchpath})) {
$opt->{searchpath} = [ $opt->{searchpath} ];
}
}
else {
$opt->{searchpath} = [ ];
}
if($opt->{cache} and !ref($opt->{cache})) {
$opt->{cache} = [ $opt->{cache} ];
}
if($opt->{cache}) {
$_ = lc($_) foreach (@{$opt->{cache}});
foreach my $scheme (@{$opt->{cache}}) {
my $method = 'cache_read_' . $scheme;
croak "Unsupported caching scheme: $scheme"
unless($self->can($method));
}
}
if(exists($opt->{parseropts})) {
if(warnings::enabled()) {
carp "Warning: " .
"'ParserOpts' is deprecated, contact the author if you need it";
}
}
else {
$opt->{parseropts} = [ ];
}
# Special cleanup for {forcearray} which could be regex, arrayref or boolean
# or left to default to 0
if(exists($opt->{forcearray})) {
if(ref($opt->{forcearray}) eq 'Regexp') {
$opt->{forcearray} = [ $opt->{forcearray} ];
}
if(ref($opt->{forcearray}) eq 'ARRAY') {
my @force_list = @{$opt->{forcearray}};
if(@force_list) {
$opt->{forcearray} = {};
foreach my $tag (@force_list) {
if(ref($tag) eq 'Regexp') {
push @{$opt->{forcearray}->{_regex}}, $tag;
}
else {
$opt->{forcearray}->{$tag} = 1;
}
}
}
else {
$opt->{forcearray} = 0;
}
}
else {
$opt->{forcearray} = ( $opt->{forcearray} ? 1 : 0 );
}
}
else {
if($opt->{strictmode} and $dirn eq 'in') {
croak "No value specified for 'ForceArray' option in call to XML$dirn()";
}
$opt->{forcearray} = 0;
}
# Special cleanup for {keyattr} which could be arrayref or hashref or left
# to default to arrayref
if(exists($opt->{keyattr})) {
if(ref($opt->{keyattr})) {
if(ref($opt->{keyattr}) eq 'HASH') {
# Make a copy so we can mess with it
$opt->{keyattr} = { %{$opt->{keyattr}} };
# Convert keyattr => { elem => '+attr' }
# to keyattr => { elem => [ 'attr', '+' ] }
foreach my $el (keys(%{$opt->{keyattr}})) {
if($opt->{keyattr}->{$el} =~ /^(\+|-)?(.*)$/) {
$opt->{keyattr}->{$el} = [ $2, ($1 ? $1 : '') ];
if($opt->{strictmode} and $dirn eq 'in') {
next if($opt->{forcearray} == 1);
next if(ref($opt->{forcearray}) eq 'HASH'
and $opt->{forcearray}->{$el});
croak "<$el> set in KeyAttr but not in ForceArray";
}
}
else {
delete($opt->{keyattr}->{$el}); # Never reached (famous last words?)
}
}
}
else {
if(@{$opt->{keyattr}} == 0) {
delete($opt->{keyattr});
}
}
}
else {
$opt->{keyattr} = [ $opt->{keyattr} ];
}
}
else {
if($opt->{strictmode}) {
croak "No value specified for 'KeyAttr' option in call to XML$dirn()";
}
$opt->{keyattr} = [ @DefKeyAttr ];
}
# Special cleanup for {valueattr} which could be arrayref or hashref
if(exists($opt->{valueattr})) {
if(ref($opt->{valueattr}) eq 'ARRAY') {
$opt->{valueattrlist} = {};
$opt->{valueattrlist}->{$_} = 1 foreach(@{ delete $opt->{valueattr} });
}
}
# make sure there's nothing weird in {grouptags}
if($opt->{grouptags}) {
croak "Illegal value for 'GroupTags' option - expected a hashref"
unless UNIVERSAL::isa($opt->{grouptags}, 'HASH');
while(my($key, $val) = each %{$opt->{grouptags}}) {
next if $key ne $val;
croak "Bad value in GroupTags: '$key' => '$val'";
}
}
# Check the {variables} option is valid and initialise variables hash
if($opt->{variables} and !UNIVERSAL::isa($opt->{variables}, 'HASH')) {
croak "Illegal value for 'Variables' option - expected a hashref";
}
if($opt->{variables}) {
$self->{_var_values} = { %{$opt->{variables}} };
}
elsif($opt->{varattr}) {
$self->{_var_values} = {};
}
}
##############################################################################
# Method: find_xml_file()
#
# Helper routine for XMLin().
# Takes a filename, and a list of directories, attempts to locate the file in
# the directories listed.
# Returns a full pathname on success; croaks on failure.
#
sub find_xml_file {
my $self = shift;
my $file = shift;
my @search_path = @_;
require File::Basename;
require File::Spec;
my($filename, $filedir) = File::Basename::fileparse($file);
if($filename ne $file) { # Ignore searchpath if dir component
return($file) if(-e $file);
}
else {
my($path);
foreach $path (@search_path) {
my $fullpath = File::Spec->catfile($path, $file);
return($fullpath) if(-e $fullpath);
}
}
# If user did not supply a search path, default to current directory
if(!@search_path) {
return($file) if(-e $file);
croak "File does not exist: $file";
}
croak "Could not find $file in ", join(':', @search_path);
}
##############################################################################
# Method: collapse()
#
# Helper routine for XMLin(). This routine really comprises the 'smarts' (or
# value add) of this module.
#
# Takes the parse tree that XML::Parser produced from the supplied XML and
# recurses through it 'collapsing' unnecessary levels of indirection (nested
# arrays etc) to produce a data structure that is easier to work with.
#
# Elements in the original parser tree are represented as an element name
# followed by an arrayref. The first element of the array is a hashref
# containing the attributes. The rest of the array contains a list of any
# nested elements as name+arrayref pairs:
#
# <element name>, [ { <attribute hashref> }, <element name>, [ ... ], ... ]
#
# The special element name '0' (zero) flags text content.
#
# This routine cuts down the noise by discarding any text content consisting of
# only whitespace and then moves the nested elements into the attribute hash
# using the name of the nested element as the hash key and the collapsed
# version of the nested element as the value. Multiple nested elements with
# the same name will initially be represented as an arrayref, but this may be
# 'folded' into a hashref depending on the value of the keyattr option.
#
sub collapse {
my $self = shift;
# Start with the hash of attributes
my $attr = shift;
if($self->{opt}->{noattr}) { # Discard if 'noattr' set
$attr = $self->new_hashref;
}
elsif($self->{opt}->{normalisespace} == 2) {
while(my($key, $value) = each %$attr) {
$attr->{$key} = $self->normalise_space($value)
}
}
# Do variable substitutions
if(my $var = $self->{_var_values}) {
while(my($key, $val) = each(%$attr)) {
$val =~ s^\$\{([\w.]+)\}^ $self->get_var($1) ^ge;
$attr->{$key} = $val;
}
}
# Roll up 'value' attributes (but only if no nested elements)
if(!@_ and keys %$attr == 1) {
my($k) = keys %$attr;
if($self->{opt}->{valueattrlist} and $self->{opt}->{valueattrlist}->{$k}) {
return $attr->{$k};
}
}
# Add any nested elements
my($key, $val);
while(@_) {
$key = shift;
$val = shift;
$val = '' if not defined $val;
if(ref($val)) {
$val = $self->collapse(@$val);
next if(!defined($val) and $self->{opt}->{suppressempty});
}
elsif($key eq '0') {
next if($val =~ m{^\s*$}s); # Skip all whitespace content
$val = $self->normalise_space($val)
if($self->{opt}->{normalisespace} == 2);
# do variable substitutions
if(my $var = $self->{_var_values}) {
$val =~ s^\$\{(\w+)\}^ $self->get_var($1) ^ge;
}
# look for variable definitions
if(my $var = $self->{opt}->{varattr}) {
if(exists $attr->{$var}) {
$self->set_var($attr->{$var}, $val);
}
}
# Collapse text content in element with no attributes to a string
if(!%$attr and !@_) {
return($self->{opt}->{forcecontent} ?
{ $self->{opt}->{contentkey} => $val } : $val
);
}
$key = $self->{opt}->{contentkey};
}
# Combine duplicate attributes into arrayref if required
if(exists($attr->{$key})) {
if(UNIVERSAL::isa($attr->{$key}, 'ARRAY')) {
push(@{$attr->{$key}}, $val);
}
else {
$attr->{$key} = [ $attr->{$key}, $val ];
}
}
elsif(defined($val) and UNIVERSAL::isa($val, 'ARRAY')) {
$attr->{$key} = [ $val ];
}
else {
if( $key ne $self->{opt}->{contentkey}
and (
($self->{opt}->{forcearray} == 1)
or (
(ref($self->{opt}->{forcearray}) eq 'HASH')
and (
$self->{opt}->{forcearray}->{$key}
or (grep $key =~ $_, @{$self->{opt}->{forcearray}->{_regex}})
)
)
)
) {
$attr->{$key} = [ $val ];
}
else {
$attr->{$key} = $val;
}
}
}
# Turn arrayrefs into hashrefs if key fields present
if($self->{opt}->{keyattr}) {
while(($key,$val) = each %$attr) {
if(defined($val) and UNIVERSAL::isa($val, 'ARRAY')) {
$attr->{$key} = $self->array_to_hash($key, $val);
}
}
}
# disintermediate grouped tags
if($self->{opt}->{grouptags}) {
while(my($key, $val) = each(%$attr)) {
next unless(UNIVERSAL::isa($val, 'HASH') and (keys %$val == 1));
next unless(exists($self->{opt}->{grouptags}->{$key}));
my($child_key, $child_val) = %$val;
if($self->{opt}->{grouptags}->{$key} eq $child_key) {
$attr->{$key}= $child_val;
}
}
}
# Fold hashes containing a single anonymous array up into just the array
my $count = scalar keys %$attr;
if($count == 1
and exists $attr->{anon}
and UNIVERSAL::isa($attr->{anon}, 'ARRAY')
) {
return($attr->{anon});
}
# Do the right thing if hash is empty, otherwise just return it
if(!%$attr and exists($self->{opt}->{suppressempty})) {
if(defined($self->{opt}->{suppressempty}) and
$self->{opt}->{suppressempty} eq '') {
return('');
}
return(undef);
}
# Roll up named elements with named nested 'value' attributes
if($self->{opt}->{valueattr}) {
while(my($key, $val) = each(%$attr)) {
next unless($self->{opt}->{valueattr}->{$key});
next unless(UNIVERSAL::isa($val, 'HASH') and (keys %$val == 1));
my($k) = keys %$val;
next unless($k eq $self->{opt}->{valueattr}->{$key});
$attr->{$key} = $val->{$k};
}
}
return($attr)
}
##############################################################################
# Method: set_var()
#
# Called when a variable definition is encountered in the XML. (A variable
# definition looks like <element attrname="name">value</element> where attrname
# matches the varattr setting).
#
sub set_var {
my($self, $name, $value) = @_;
$self->{_var_values}->{$name} = $value;
}
##############################################################################
# Method: get_var()
#
# Called during variable substitution to get the value for the named variable.
#
sub get_var {
my($self, $name) = @_;
my $value = $self->{_var_values}->{$name};
return $value if(defined($value));
return '${' . $name . '}';
}
##############################################################################
# Method: normalise_space()
#
# Strips leading and trailing whitespace and collapses sequences of whitespace
# characters to a single space.
#
sub normalise_space {
my($self, $text) = @_;
$text =~ s/^\s+//s;
$text =~ s/\s+$//s;
$text =~ s/\s\s+/ /sg;
return $text;
}
##############################################################################
# Method: array_to_hash()
#
# Helper routine for collapse().
# Attempts to 'fold' an array of hashes into an hash of hashes. Returns a
# reference to the hash on success or the original array if folding is
# not possible. Behaviour is controlled by 'keyattr' option.
#
sub array_to_hash {
my $self = shift;
my $name = shift;
my $arrayref = shift;
my $hashref = $self->new_hashref;
my($i, $key, $val, $flag);
# Handle keyattr => { .... }
if(ref($self->{opt}->{keyattr}) eq 'HASH') {
return($arrayref) unless(exists($self->{opt}->{keyattr}->{$name}));
($key, $flag) = @{$self->{opt}->{keyattr}->{$name}};
for($i = 0; $i < @$arrayref; $i++) {
if(UNIVERSAL::isa($arrayref->[$i], 'HASH') and
exists($arrayref->[$i]->{$key})
) {
$val = $arrayref->[$i]->{$key};
if(ref($val)) {
$self->die_or_warn("<$name> element has non-scalar '$key' key attribute");
return($arrayref);
}
$val = $self->normalise_space($val)
if($self->{opt}->{normalisespace} == 1);
$self->die_or_warn("<$name> element has non-unique value in '$key' key attribute: $val")
if(exists($hashref->{$val}));
$hashref->{$val} = $self->new_hashref( %{$arrayref->[$i]} );
$hashref->{$val}->{"-$key"} = $hashref->{$val}->{$key} if($flag eq '-');
delete $hashref->{$val}->{$key} unless($flag eq '+');
}
else {
$self->die_or_warn("<$name> element has no '$key' key attribute");
return($arrayref);
}
}
}
# Or assume keyattr => [ .... ]
else {
my $default_keys =
join(',', @DefKeyAttr) eq join(',', @{$self->{opt}->{keyattr}});
ELEMENT: for($i = 0; $i < @$arrayref; $i++) {
return($arrayref) unless(UNIVERSAL::isa($arrayref->[$i], 'HASH'));
foreach $key (@{$self->{opt}->{keyattr}}) {
if(defined($arrayref->[$i]->{$key})) {
$val = $arrayref->[$i]->{$key};
if(ref($val)) {
$self->die_or_warn("<$name> element has non-scalar '$key' key attribute")
if not $default_keys;
return($arrayref);
}
$val = $self->normalise_space($val)
if($self->{opt}->{normalisespace} == 1);
$self->die_or_warn("<$name> element has non-unique value in '$key' key attribute: $val")
if(exists($hashref->{$val}));
$hashref->{$val} = $self->new_hashref( %{$arrayref->[$i]} );
delete $hashref->{$val}->{$key};
next ELEMENT;
}
}
return($arrayref); # No keyfield matched
}
}
# collapse any hashes which now only have a 'content' key
if($self->{opt}->{collapseagain}) {
$hashref = $self->collapse_content($hashref);
}
return($hashref);
}
##############################################################################
# Method: die_or_warn()
#
# Takes a diagnostic message and does one of three things:
# 1. dies if strict mode is enabled
# 2. warns if warnings are enabled but strict mode is not
# 3. ignores message and returns silently if neither strict mode nor warnings
# are enabled
#
sub die_or_warn {
my $self = shift;
my $msg = shift;
croak $msg if($self->{opt}->{strictmode});
if(warnings::enabled()) {
carp "Warning: $msg";
}
}
##############################################################################
# Method: new_hashref()
#
# This is a hook routine for overriding in a sub-class. Some people believe
# that using Tie::IxHash here will solve order-loss problems.
#
sub new_hashref {
my $self = shift;
return { @_ };
}
##############################################################################
# Method: collapse_content()
#
# Helper routine for array_to_hash
#
# Arguments expected are:
# - an XML::Simple object
# - a hashref
# the hashref is a former array, turned into a hash by array_to_hash because
# of the presence of key attributes
# at this point collapse_content avoids over-complicated structures like
# dir => { libexecdir => { content => '$exec_prefix/libexec' },
# localstatedir => { content => '$prefix' },
# }
# into
# dir => { libexecdir => '$exec_prefix/libexec',
# localstatedir => '$prefix',
# }
sub collapse_content {
my $self = shift;
my $hashref = shift;
my $contentkey = $self->{opt}->{contentkey};
# first go through the values,checking that they are fit to collapse
foreach my $val (values %$hashref) {
return $hashref unless ( (ref($val) eq 'HASH')
and (keys %$val == 1)
and (exists $val->{$contentkey})
);
}
# now collapse them
foreach my $key (keys %$hashref) {
$hashref->{$key}= $hashref->{$key}->{$contentkey};
}
return $hashref;
}
##############################################################################
# Method: value_to_xml()
#
# Helper routine for XMLout() - recurses through a data structure building up
# and returning an XML representation of that structure as a string.
#
# Arguments expected are:
# - the data structure to be encoded (usually a reference)
# - the XML tag name to use for this item
# - a string of spaces for use as the current indent level
#
sub value_to_xml {
my $self = shift;;
# Grab the other arguments
my($ref, $name, $indent) = @_;
my $named = (defined($name) and $name ne '' ? 1 : 0);
my $nl = "\n";
my $is_root = $indent eq '' ? 1 : 0; # Warning, dirty hack!
if($self->{opt}->{noindent}) {
$indent = '';
$nl = '';
}
# Convert to XML
my $refaddr = Scalar::Util::refaddr($ref);
if($refaddr) {
croak "circular data structures not supported"
if $self->{_ancestors}->{$refaddr};
$self->{_ancestors}->{$refaddr} = $ref; # keep ref alive until we delete it
}
else {
if($named) {
return(join('',
$indent, '<', $name, '>',
($self->{opt}->{noescape} ? $ref : $self->escape_value($ref)),
'</', $name, ">", $nl
));
}
else {
return("$ref$nl");
}
}
# Unfold hash to array if possible
if(UNIVERSAL::isa($ref, 'HASH') # It is a hash
and keys %$ref # and it's not empty
and $self->{opt}->{keyattr} # and folding is enabled
and !$is_root # and its not the root element
) {
$ref = $self->hash_to_array($name, $ref);
}
my @result = ();
my($key, $value);
# Handle hashrefs
if(UNIVERSAL::isa($ref, 'HASH')) {
# Reintermediate grouped values if applicable
if($self->{opt}->{grouptags}) {
$ref = $self->copy_hash($ref);
while(my($key, $val) = each %$ref) {
if($self->{opt}->{grouptags}->{$key}) {
$ref->{$key} = $self->new_hashref(
$self->{opt}->{grouptags}->{$key} => $val
);
}
}
}
# Scan for namespace declaration attributes
my $nsdecls = '';
my $default_ns_uri;
if($self->{nsup}) {
$ref = $self->copy_hash($ref);
$self->{nsup}->push_context();
# Look for default namespace declaration first
if(exists($ref->{xmlns})) {
$self->{nsup}->declare_prefix('', $ref->{xmlns});
$nsdecls .= qq( xmlns="$ref->{xmlns}");
delete($ref->{xmlns});
}
$default_ns_uri = $self->{nsup}->get_uri('');
# Then check all the other keys
foreach my $qname (keys(%$ref)) {
my($uri, $lname) = $self->{nsup}->parse_jclark_notation($qname);
if($uri) {
if($uri eq $xmlns_ns) {
$self->{nsup}->declare_prefix($lname, $ref->{$qname});
$nsdecls .= qq( xmlns:$lname="$ref->{$qname}");
delete($ref->{$qname});
}
}
}
# Translate any remaining Clarkian names
foreach my $qname (keys(%$ref)) {
my($uri, $lname) = $self->{nsup}->parse_jclark_notation($qname);
if($uri) {
if($default_ns_uri and $uri eq $default_ns_uri) {
$ref->{$lname} = $ref->{$qname};
delete($ref->{$qname});
}
else {
my $prefix = $self->{nsup}->get_prefix($uri);
unless($prefix) {
# $self->{nsup}->declare_prefix(undef, $uri);
# $prefix = $self->{nsup}->get_prefix($uri);
$prefix = $self->{ns_prefix}++;
$self->{nsup}->declare_prefix($prefix, $uri);
$nsdecls .= qq( xmlns:$prefix="$uri");
}
$ref->{"$prefix:$lname"} = $ref->{$qname};
delete($ref->{$qname});
}
}
}
}
my @nested = ();
my $text_content = undef;
if($named) {
push @result, $indent, '<', $name, $nsdecls;
}
if(keys %$ref) {
my $first_arg = 1;
foreach my $key ($self->sorted_keys($name, $ref)) {
my $value = $ref->{$key};
next if(substr($key, 0, 1) eq '-');
if(!defined($value)) {
next if $self->{opt}->{suppressempty};
unless(exists($self->{opt}->{suppressempty})
and !defined($self->{opt}->{suppressempty})
) {
carp 'Use of uninitialized value' if warnings::enabled();
}
if($key eq $self->{opt}->{contentkey}) {
$text_content = '';
}
else {
$value = exists($self->{opt}->{suppressempty}) ? {} : '';
}
}
if(!ref($value)
and $self->{opt}->{valueattr}
and $self->{opt}->{valueattr}->{$key}
) {
$value = $self->new_hashref(
$self->{opt}->{valueattr}->{$key} => $value
);
}
if(ref($value) or $self->{opt}->{noattr}) {
push @nested,
$self->value_to_xml($value, $key, "$indent ");
}
else {
if($key eq $self->{opt}->{contentkey}) {
$value = $self->escape_value($value) unless($self->{opt}->{noescape});
$text_content = $value;
}
else {
$value = $self->escape_attr($value) unless($self->{opt}->{noescape});
push @result, "\n$indent " . ' ' x length($name)
if($self->{opt}->{attrindent} and !$first_arg);
push @result, ' ', $key, '="', $value , '"';
$first_arg = 0;
}
}
}
}
else {
$text_content = '';
}
if(@nested or defined($text_content)) {
if($named) {
push @result, ">";
if(defined($text_content)) {
push @result, $text_content;
$nested[0] =~ s/^\s+// if(@nested);
}
else {
push @result, $nl;
}
if(@nested) {
push @result, @nested, $indent;
}
push @result, '</', $name, ">", $nl;
}
else {
push @result, @nested; # Special case if no root elements
}
}
else {
push @result, " />", $nl;
}
$self->{nsup}->pop_context() if($self->{nsup});
}
# Handle arrayrefs
elsif(UNIVERSAL::isa($ref, 'ARRAY')) {
foreach $value (@$ref) {
next if !defined($value) and $self->{opt}->{suppressempty};
if(!ref($value)) {
push @result,
$indent, '<', $name, '>',
($self->{opt}->{noescape} ? $value : $self->escape_value($value)),
'</', $name, ">$nl";
}
elsif(UNIVERSAL::isa($value, 'HASH')) {
push @result, $self->value_to_xml($value, $name, $indent);
}
else {
push @result,
$indent, '<', $name, ">$nl",
$self->value_to_xml($value, 'anon', "$indent "),
$indent, '</', $name, ">$nl";
}
}
}
else {
croak "Can't encode a value of type: " . ref($ref);
}
delete $self->{_ancestors}->{$refaddr};
return(join('', @result));
}
##############################################################################
# Method: sorted_keys()
#
# Returns the keys of the referenced hash sorted into alphabetical order, but
# with the 'key' key (as in KeyAttr) first, if there is one.
#
sub sorted_keys {
my($self, $name, $ref) = @_;
return keys %$ref if $self->{opt}->{nosort};
my %hash = %$ref;
my $keyattr = $self->{opt}->{keyattr};
my @key;
if(ref $keyattr eq 'HASH') {
if(exists $keyattr->{$name} and exists $hash{$keyattr->{$name}->[0]}) {
push @key, $keyattr->{$name}->[0];
delete $hash{$keyattr->{$name}->[0]};
}
}
elsif(ref $keyattr eq 'ARRAY') {
foreach (@{$keyattr}) {
if(exists $hash{$_}) {
push @key, $_;
delete $hash{$_};
last;
}
}
}
return(@key, sort keys %hash);
}
##############################################################################
# Method: escape_value()
#
# Helper routine for automatically escaping values for XMLout().
# Expects a scalar data value. Returns escaped version.
#
sub escape_value {
my($self, $data) = @_;
return '' unless(defined($data));
$data =~ s/&/&/sg;
$data =~ s/</</sg;
$data =~ s/>/>/sg;
$data =~ s/"/"/sg;
my $level = $self->{opt}->{numericescape} or return $data;
return $self->numeric_escape($data, $level);
}
sub numeric_escape {
my($self, $data, $level) = @_;
if($self->{opt}->{numericescape} eq '2') {
$data =~ s/([^\x00-\x7F])/'&#' . ord($1) . ';'/gse;
}
else {
$data =~ s/([^\x00-\xFF])/'&#' . ord($1) . ';'/gse;
}
return $data;
}
##############################################################################
# Method: escape_attr()
#
# Helper routine for escaping attribute values. Defaults to escape_value(),
# but may be overridden by a subclass to customise behaviour.
#
sub escape_attr {
my $self = shift;
return $self->escape_value(@_);
}
##############################################################################
# Method: hash_to_array()
#
# Helper routine for value_to_xml().
# Attempts to 'unfold' a hash of hashes into an array of hashes. Returns a
# reference to the array on success or the original hash if unfolding is
# not possible.
#
sub hash_to_array {
my $self = shift;
my $parent = shift;
my $hashref = shift;
my $arrayref = [];
my($key, $value);
my @keys = $self->{opt}->{nosort} ? keys %$hashref : sort keys %$hashref;
foreach $key (@keys) {
$value = $hashref->{$key};
return($hashref) unless(UNIVERSAL::isa($value, 'HASH'));
if(ref($self->{opt}->{keyattr}) eq 'HASH') {
return($hashref) unless(defined($self->{opt}->{keyattr}->{$parent}));
push @$arrayref, $self->copy_hash(
$value, $self->{opt}->{keyattr}->{$parent}->[0] => $key
);
}
else {
push(@$arrayref, { $self->{opt}->{keyattr}->[0] => $key, %$value });
}
}
return($arrayref);
}
##############################################################################
# Method: copy_hash()
#
# Helper routine for hash_to_array(). When unfolding a hash of hashes into
# an array of hashes, we need to copy the key from the outer hash into the
# inner hash. This routine makes a copy of the original hash so we don't
# destroy the original data structure. You might wish to override this
# method if you're using tied hashes and don't want them to get untied.
#
sub copy_hash {
my($self, $orig, @extra) = @_;
return { @extra, %$orig };
}
##############################################################################
# Methods required for building trees from SAX events
##############################################################################
sub start_document {
my $self = shift;
$self->handle_options('in') unless($self->{opt});
$self->{lists} = [];
$self->{curlist} = $self->{tree} = [];
}
sub start_element {
my $self = shift;
my $element = shift;
my $name = $element->{Name};
if($self->{opt}->{nsexpand}) {
$name = $element->{LocalName} || '';
if($element->{NamespaceURI}) {
$name = '{' . $element->{NamespaceURI} . '}' . $name;
}
}
my $attributes = {};
if($element->{Attributes}) { # Might be undef
foreach my $attr (values %{$element->{Attributes}}) {
if($self->{opt}->{nsexpand}) {
my $name = $attr->{LocalName} || '';
if($attr->{NamespaceURI}) {
$name = '{' . $attr->{NamespaceURI} . '}' . $name
}
$name = 'xmlns' if($name eq $bad_def_ns_jcn);
$attributes->{$name} = $attr->{Value};
}
else {
$attributes->{$attr->{Name}} = $attr->{Value};
}
}
}
my $newlist = [ $attributes ];
push @{ $self->{lists} }, $self->{curlist};
push @{ $self->{curlist} }, $name => $newlist;
$self->{curlist} = $newlist;
}
sub characters {
my $self = shift;
my $chars = shift;
my $text = $chars->{Data};
my $clist = $self->{curlist};
my $pos = $#$clist;
if ($pos > 0 and $clist->[$pos - 1] eq '0') {
$clist->[$pos] .= $text;
}
else {
push @$clist, 0 => $text;
}
}
sub end_element {
my $self = shift;
$self->{curlist} = pop @{ $self->{lists} };
}
sub end_document {
my $self = shift;
delete($self->{curlist});
delete($self->{lists});
my $tree = $self->{tree};
delete($self->{tree});
# Return tree as-is to XMLin()
return($tree) if($self->{nocollapse});
# Or collapse it before returning it to SAX parser class
if($self->{opt}->{keeproot}) {
$tree = $self->collapse({}, @$tree);
}
else {
$tree = $self->collapse(@{$tree->[1]});
}
if($self->{opt}->{datahandler}) {
return($self->{opt}->{datahandler}->($self, $tree));
}
return($tree);
}
*xml_in = \&XMLin;
*xml_out = \&XMLout;
1;
__END__
=head1 STATUS OF THIS MODULE
The use of this module in new code is B<strongly discouraged>. Other modules
are available which provide more straightforward and consistent interfaces. In
particular, L<XML::LibXML> is highly recommended and you can refer to
L<Perl XML::LibXML by Example|http://grantm.github.io/perl-libxml-by-example/>
for a tutorial introduction.
L<XML::Twig> is another excellent alternative.
The major problems with this module are the large number of options (some of
which have unfortunate defaults) and the arbitrary ways in which these options
interact - often producing unexpected results.
Patches with bug fixes and documentation fixes are welcome, but new features
are unlikely to be added.
=head1 QUICK START
Say you have a script called B<foo> and a file of configuration options
called B<foo.xml> containing the following:
<config logdir="/var/log/foo/" debugfile="/tmp/foo.debug">
<server name="sahara" osname="solaris" osversion="2.6">
<address>10.0.0.101</address>
<address>10.0.1.101</address>
</server>
<server name="gobi" osname="irix" osversion="6.5">
<address>10.0.0.102</address>
</server>
<server name="kalahari" osname="linux" osversion="2.0.34">
<address>10.0.0.103</address>
<address>10.0.1.103</address>
</server>
</config>
The following lines of code in B<foo>:
use XML::Simple qw(:strict);
my $config = XMLin(undef, KeyAttr => { server => 'name' }, ForceArray => [ 'server', 'address' ]);
will 'slurp' the configuration options into the hashref $config (because no
filename or XML string was passed as the first argument to C<XMLin()> the name
and location of the XML file will be inferred from name and location of the
script). You can dump out the contents of the hashref using Data::Dumper:
use Data::Dumper;
print Dumper($config);
which will produce something like this (formatting has been adjusted for
brevity):
{
'logdir' => '/var/log/foo/',
'debugfile' => '/tmp/foo.debug',
'server' => {
'sahara' => {
'osversion' => '2.6',
'osname' => 'solaris',
'address' => [ '10.0.0.101', '10.0.1.101' ]
},
'gobi' => {
'osversion' => '6.5',
'osname' => 'irix',
'address' => [ '10.0.0.102' ]
},
'kalahari' => {
'osversion' => '2.0.34',
'osname' => 'linux',
'address' => [ '10.0.0.103', '10.0.1.103' ]
}
}
}
Your script could then access the name of the log directory like this:
print $config->{logdir};
similarly, the second address on the server 'kalahari' could be referenced as:
print $config->{server}->{kalahari}->{address}->[1];
Note: If the mapping between the output of Data::Dumper and the print
statements above is not obvious to you, then please refer to the 'references'
tutorial (AKA: "Mark's very short tutorial about references") at L<perlreftut>.
In this example, the C<< ForceArray >> option was used to list elements that
might occur multiple times and should therefore be represented as arrayrefs
(even when only one element is present).
The C<< KeyAttr >> option was used to indicate that each C<< <server> >>
element has a unique identifier in the C<< name >> attribute. This allows you
to index directly to a particular server record using the name as a hash key
(as shown above).
For simple requirements, that's really all there is to it. If you want to
store your XML in a different directory or file, or pass it in as a string or
even pass it in via some derivative of an IO::Handle, you'll need to check out
L<"OPTIONS">. If you want to turn off or tweak the array folding feature (that
neat little transformation that produced $config->{server}) you'll find options
for that as well.
If you want to generate XML (for example to write a modified version of
$config back out as XML), check out C<XMLout()>.
If your needs are not so simple, this may not be the module for you. In that
case, you might want to read L<"WHERE TO FROM HERE?">.
=head1 DESCRIPTION
The XML::Simple module provides a simple API layer on top of an underlying XML
parsing module (either XML::Parser or one of the SAX2 parser modules). Two
functions are exported: C<XMLin()> and C<XMLout()>. Note: you can explicitly
request the lower case versions of the function names: C<xml_in()> and
C<xml_out()>.
The simplest approach is to call these two functions directly, but an
optional object oriented interface (see L<"OPTIONAL OO INTERFACE"> below)
allows them to be called as methods of an B<XML::Simple> object. The object
interface can also be used at either end of a SAX pipeline.
=head2 XMLin()
Parses XML formatted data and returns a reference to a data structure which
contains the same information in a more readily accessible form. (Skip
down to L<"EXAMPLES"> below, for more sample code).
C<XMLin()> accepts an optional XML specifier followed by zero or more 'name =>
value' option pairs. The XML specifier can be one of the following:
=over 4
=item A filename
If the filename contains no directory components C<XMLin()> will look for the
file in each directory in the SearchPath (see L<"OPTIONS"> below) or in the
current directory if the SearchPath option is not defined. eg:
$ref = XMLin('/etc/params.xml');
Note, the filename '-' can be used to parse from STDIN.
=item undef
If there is no XML specifier, C<XMLin()> will check the script directory and
each of the SearchPath directories for a file with the same name as the script
but with the extension '.xml'. Note: if you wish to specify options, you
must specify the value 'undef'. eg:
$ref = XMLin(undef, ForceArray => 1);
=item A string of XML
A string containing XML (recognised by the presence of '<' and '>' characters)
will be parsed directly. eg:
$ref = XMLin('<opt username="bob" password="flurp" />');
=item An IO::Handle object
An IO::Handle object will be read to EOF and its contents parsed. eg:
$fh = IO::File->new('/etc/params.xml');
$ref = XMLin($fh);
=back
=head2 XMLout()
Takes a data structure (generally a hashref) and returns an XML encoding of
that structure. If the resulting XML is parsed using C<XMLin()>, it should
return a data structure equivalent to the original (see caveats below).
The C<XMLout()> function can also be used to output the XML as SAX events
see the C<Handler> option and L<"SAX SUPPORT"> for more details).
When translating hashes to XML, hash keys which have a leading '-' will be
silently skipped. This is the approved method for marking elements of a
data structure which should be ignored by C<XMLout>. (Note: If these items
were not skipped the key names would be emitted as element or attribute names
with a leading '-' which would not be valid XML).
=head2 Caveats
Some care is required in creating data structures which will be passed to
C<XMLout()>. Hash keys from the data structure will be encoded as either XML
element names or attribute names. Therefore, you should use hash key names
which conform to the relatively strict XML naming rules:
Names in XML must begin with a letter. The remaining characters may be
letters, digits, hyphens (-), underscores (_) or full stops (.). It is also
allowable to include one colon (:) in an element name but this should only be
used when working with namespaces (B<XML::Simple> can only usefully work with
namespaces when teamed with a SAX Parser).
You can use other punctuation characters in hash values (just not in hash
keys) however B<XML::Simple> does not support dumping binary data.
If you break these rules, the current implementation of C<XMLout()> will
simply emit non-compliant XML which will be rejected if you try to read it
back in. (A later version of B<XML::Simple> might take a more proactive
approach).
Note also that although you can nest hashes and arrays to arbitrary levels,
circular data structures are not supported and will cause C<XMLout()> to die.
If you wish to 'round-trip' arbitrary data structures from Perl to XML and back
to Perl, then you should probably disable array folding (using the KeyAttr
option) both with C<XMLout()> and with C<XMLin()>. If you still don't get the
expected results, you may prefer to use L<XML::Dumper> which is designed for
exactly that purpose.
Refer to L<"WHERE TO FROM HERE?"> if C<XMLout()> is too simple for your needs.
=head1 OPTIONS
B<XML::Simple> supports a number of options (in fact as each release of
B<XML::Simple> adds more options, the module's claim to the name 'Simple'
becomes increasingly tenuous). If you find yourself repeatedly having to
specify the same options, you might like to investigate L<"OPTIONAL OO
INTERFACE"> below.
If you can't be bothered reading the documentation, refer to
L<"STRICT MODE"> to automatically catch common mistakes.
Because there are so many options, it's hard for new users to know which ones
are important, so here are the two you really need to know about:
=over 4
=item *
check out C<ForceArray> because you'll almost certainly want to turn it on
=item *
make sure you know what the C<KeyAttr> option does and what its default value is
because it may surprise you otherwise (note in particular that 'KeyAttr'
affects both C<XMLin> and C<XMLout>)
=back
The option name headings below have a trailing 'comment' - a hash followed by
two pieces of metadata:
=over 4
=item *
Options are marked with 'I<in>' if they are recognised by C<XMLin()> and
'I<out>' if they are recognised by C<XMLout()>.
=item *
Each option is also flagged to indicate whether it is:
'important' - don't use the module until you understand this one
'handy' - you can skip this on the first time through
'advanced' - you can skip this on the second time through
'SAX only' - don't worry about this unless you're using SAX (or
alternatively if you need this, you also need SAX)
'seldom used' - you'll probably never use this unless you were the
person that requested the feature
=back
The options are listed alphabetically:
Note: option names are no longer case sensitive so you can use the mixed case
versions shown here; all lower case as required by versions 2.03 and earlier;
or you can add underscores between the words (eg: key_attr).
=head2 AttrIndent => 1 I<# out - handy>
When you are using C<XMLout()>, enable this option to have attributes printed
one-per-line with sensible indentation rather than all on one line.
=head2 Cache => [ cache schemes ] I<# in - advanced>
Because loading the B<XML::Parser> module and parsing an XML file can consume a
significant number of CPU cycles, it is often desirable to cache the output of
C<XMLin()> for later reuse.
When parsing from a named file, B<XML::Simple> supports a number of caching
schemes. The 'Cache' option may be used to specify one or more schemes (using
an anonymous array). Each scheme will be tried in turn in the hope of finding
a cached pre-parsed representation of the XML file. If no cached copy is
found, the file will be parsed and the first cache scheme in the list will be
used to save a copy of the results. The following cache schemes have been
implemented:
=over 4
=item storable
Utilises B<Storable.pm> to read/write a cache file with the same name as the
XML file but with the extension .stor
=item memshare
When a file is first parsed, a copy of the resulting data structure is retained
in memory in the B<XML::Simple> module's namespace. Subsequent calls to parse
the same file will return a reference to this structure. This cached version
will persist only for the life of the Perl interpreter (which in the case of
mod_perl for example, may be some significant time).
Because each caller receives a reference to the same data structure, a change
made by one caller will be visible to all. For this reason, the reference
returned should be treated as read-only.
=item memcopy
This scheme works identically to 'memshare' (above) except that each caller
receives a reference to a new data structure which is a copy of the cached
version. Copying the data structure will add a little processing overhead,
therefore this scheme should only be used where the caller intends to modify
the data structure (or wishes to protect itself from others who might). This
scheme uses B<Storable.pm> to perform the copy.
=back
Warning! The memory-based caching schemes compare the timestamp on the file to
the time when it was last parsed. If the file is stored on an NFS filesystem
(or other network share) and the clock on the file server is not exactly
synchronised with the clock where your script is run, updates to the source XML
file may appear to be ignored.
=head2 ContentKey => 'keyname' I<# in+out - seldom used>
When text content is parsed to a hash value, this option lets you specify a
name for the hash key to override the default 'content'. So for example:
XMLin('<opt one="1">Text</opt>', ContentKey => 'text')
will parse to:
{ 'one' => 1, 'text' => 'Text' }
instead of:
{ 'one' => 1, 'content' => 'Text' }
C<XMLout()> will also honour the value of this option when converting a hashref
to XML.
You can also prefix your selected key name with a '-' character to have
C<XMLin()> try a little harder to eliminate unnecessary 'content' keys after
array folding. For example:
XMLin(
'<opt><item name="one">First</item><item name="two">Second</item></opt>',
KeyAttr => {item => 'name'},
ForceArray => [ 'item' ],
ContentKey => '-content'
)
will parse to:
{
'item' => {
'one' => 'First'
'two' => 'Second'
}
}
rather than this (without the '-'):
{
'item' => {
'one' => { 'content' => 'First' }
'two' => { 'content' => 'Second' }
}
}
=head2 DataHandler => code_ref I<# in - SAX only>
When you use an B<XML::Simple> object as a SAX handler, it will return a
'simple tree' data structure in the same format as C<XMLin()> would return. If
this option is set (to a subroutine reference), then when the tree is built the
subroutine will be called and passed two arguments: a reference to the
B<XML::Simple> object and a reference to the data tree. The return value from
the subroutine will be returned to the SAX driver. (See L<"SAX SUPPORT"> for
more details).
=head2 ForceArray => 1 I<# in - important>
This option should be set to '1' to force nested elements to be represented
as arrays even when there is only one. Eg, with ForceArray enabled, this
XML:
<opt>
<name>value</name>
</opt>
would parse to this:
{
'name' => [
'value'
]
}
instead of this (the default):
{
'name' => 'value'
}
This option is especially useful if the data structure is likely to be written
back out as XML and the default behaviour of rolling single nested elements up
into attributes is not desirable.
If you are using the array folding feature, you should almost certainly enable
this option. If you do not, single nested elements will not be parsed to
arrays and therefore will not be candidates for folding to a hash. (Given that
the default value of 'KeyAttr' enables array folding, the default value of this
option should probably also have been enabled too - sorry).
=head2 ForceArray => [ names ] I<# in - important>
This alternative (and preferred) form of the 'ForceArray' option allows you to
specify a list of element names which should always be forced into an array
representation, rather than the 'all or nothing' approach above.
It is also possible (since version 2.05) to include compiled regular
expressions in the list - any element names which match the pattern will be
forced to arrays. If the list contains only a single regex, then it is not
necessary to enclose it in an arrayref. Eg:
ForceArray => qr/_list$/
=head2 ForceContent => 1 I<# in - seldom used>
When C<XMLin()> parses elements which have text content as well as attributes,
the text content must be represented as a hash value rather than a simple
scalar. This option allows you to force text content to always parse to
a hash value even when there are no attributes. So for example:
XMLin('<opt><x>text1</x><y a="2">text2</y></opt>', ForceContent => 1)
will parse to:
{
'x' => { 'content' => 'text1' },
'y' => { 'a' => 2, 'content' => 'text2' }
}
instead of:
{
'x' => 'text1',
'y' => { 'a' => 2, 'content' => 'text2' }
}
=head2 GroupTags => { grouping tag => grouped tag } I<# in+out - handy>
You can use this option to eliminate extra levels of indirection in your Perl
data structure. For example this XML:
<opt>
<searchpath>
<dir>/usr/bin</dir>
<dir>/usr/local/bin</dir>
<dir>/usr/X11/bin</dir>
</searchpath>
</opt>
Would normally be read into a structure like this:
{
searchpath => {
dir => [ '/usr/bin', '/usr/local/bin', '/usr/X11/bin' ]
}
}
But when read in with the appropriate value for 'GroupTags':
my $opt = XMLin($xml, GroupTags => { searchpath => 'dir' });
It will return this simpler structure:
{
searchpath => [ '/usr/bin', '/usr/local/bin', '/usr/X11/bin' ]
}
The grouping element (C<< <searchpath> >> in the example) must not contain any
attributes or elements other than the grouped element.
You can specify multiple 'grouping element' to 'grouped element' mappings in
the same hashref. If this option is combined with C<KeyAttr>, the array
folding will occur first and then the grouped element names will be eliminated.
C<XMLout> will also use the grouptag mappings to re-introduce the tags around
the grouped elements. Beware though that this will occur in all places that
the 'grouping tag' name occurs - you probably don't want to use the same name
for elements as well as attributes.
=head2 Handler => object_ref I<# out - SAX only>
Use the 'Handler' option to have C<XMLout()> generate SAX events rather than
returning a string of XML. For more details see L<"SAX SUPPORT"> below.
Note: the current implementation of this option generates a string of XML
and uses a SAX parser to translate it into SAX events. The normal encoding
rules apply here - your data must be UTF8 encoded unless you specify an
alternative encoding via the 'XMLDecl' option; and by the time the data reaches
the handler object, it will be in UTF8 form regardless of the encoding you
supply. A future implementation of this option may generate the events
directly.
=head2 KeepRoot => 1 I<# in+out - handy>
In its attempt to return a data structure free of superfluous detail and
unnecessary levels of indirection, C<XMLin()> normally discards the root
element name. Setting the 'KeepRoot' option to '1' will cause the root element
name to be retained. So after executing this code:
$config = XMLin('<config tempdir="/tmp" />', KeepRoot => 1)
You'll be able to reference the tempdir as
C<$config-E<gt>{config}-E<gt>{tempdir}> instead of the default
C<$config-E<gt>{tempdir}>.
Similarly, setting the 'KeepRoot' option to '1' will tell C<XMLout()> that the
data structure already contains a root element name and it is not necessary to
add another.
=head2 KeyAttr => [ list ] I<# in+out - important>
This option controls the 'array folding' feature which translates nested
elements from an array to a hash. It also controls the 'unfolding' of hashes
to arrays.
For example, this XML:
<opt>
<user login="grep" fullname="Gary R Epstein" />
<user login="stty" fullname="Simon T Tyson" />
</opt>
would, by default, parse to this:
{
'user' => [
{
'login' => 'grep',
'fullname' => 'Gary R Epstein'
},
{
'login' => 'stty',
'fullname' => 'Simon T Tyson'
}
]
}
If the option 'KeyAttr => "login"' were used to specify that the 'login'
attribute is a key, the same XML would parse to:
{
'user' => {
'stty' => {
'fullname' => 'Simon T Tyson'
},
'grep' => {
'fullname' => 'Gary R Epstein'
}
}
}
The key attribute names should be supplied in an arrayref if there is more
than one. C<XMLin()> will attempt to match attribute names in the order
supplied. C<XMLout()> will use the first attribute name supplied when
'unfolding' a hash into an array.
Note 1: The default value for 'KeyAttr' is ['name', 'key', 'id']. If you do
not want folding on input or unfolding on output you must set this option
to an empty list to disable the feature.
Note 2: If you wish to use this option, you should also enable the
C<ForceArray> option. Without 'ForceArray', a single nested element will be
rolled up into a scalar rather than an array and therefore will not be folded
(since only arrays get folded).
=head2 KeyAttr => { list } I<# in+out - important>
This alternative (and preferred) method of specifying the key attributes
allows more fine grained control over which elements are folded and on which
attributes. For example the option 'KeyAttr => { package => 'id' } will cause
any package elements to be folded on the 'id' attribute. No other elements
which have an 'id' attribute will be folded at all.
Note: C<XMLin()> will generate a warning (or a fatal error in L<"STRICT MODE">)
if this syntax is used and an element which does not have the specified key
attribute is encountered (eg: a 'package' element without an 'id' attribute, to
use the example above). Warnings can be suppressed with the lexical
C<no warnings;> pragma or C<no warnings 'XML::Simple';>.
Two further variations are made possible by prefixing a '+' or a '-' character
to the attribute name:
The option 'KeyAttr => { user => "+login" }' will cause this XML:
<opt>
<user login="grep" fullname="Gary R Epstein" />
<user login="stty" fullname="Simon T Tyson" />
</opt>
to parse to this data structure:
{
'user' => {
'stty' => {
'fullname' => 'Simon T Tyson',
'login' => 'stty'
},
'grep' => {
'fullname' => 'Gary R Epstein',
'login' => 'grep'
}
}
}
The '+' indicates that the value of the key attribute should be copied rather
than moved to the folded hash key.
A '-' prefix would produce this result:
{
'user' => {
'stty' => {
'fullname' => 'Simon T Tyson',
'-login' => 'stty'
},
'grep' => {
'fullname' => 'Gary R Epstein',
'-login' => 'grep'
}
}
}
As described earlier, C<XMLout> will ignore hash keys starting with a '-'.
=head2 NoAttr => 1 I<# in+out - handy>
When used with C<XMLout()>, the generated XML will contain no attributes.
All hash key/values will be represented as nested elements instead.
When used with C<XMLin()>, any attributes in the XML will be ignored.
=head2 NoEscape => 1 I<# out - seldom used>
By default, C<XMLout()> will translate the characters 'E<lt>', 'E<gt>', '&' and
'"' to '<', '>', '&' and '"' respectively. Use this option to
suppress escaping (presumably because you've already escaped the data in some
more sophisticated manner).
=head2 NoIndent => 1 I<# out - seldom used>
Set this option to 1 to disable C<XMLout()>'s default 'pretty printing' mode.
With this option enabled, the XML output will all be on one line (unless there
are newlines in the data) - this may be easier for downstream processing.
=head2 NoSort => 1 I<# out - seldom used>
Newer versions of XML::Simple sort elements and attributes alphabetically (*),
by default. Enable this option to suppress the sorting - possibly for
backwards compatibility.
* Actually, sorting is alphabetical but 'key' attribute or element names (as in
'KeyAttr') sort first. Also, when a hash of hashes is 'unfolded', the elements
are sorted alphabetically by the value of the key field.
=head2 NormaliseSpace => 0 | 1 | 2 I<# in - handy>
This option controls how whitespace in text content is handled. Recognised
values for the option are:
=over 4
=item *
0 = (default) whitespace is passed through unaltered (except of course for the
normalisation of whitespace in attribute values which is mandated by the XML
recommendation)
=item *
1 = whitespace is normalised in any value used as a hash key (normalising means
removing leading and trailing whitespace and collapsing sequences of whitespace
characters to a single space)
=item *
2 = whitespace is normalised in all text content
=back
Note: you can spell this option with a 'z' if that is more natural for you.
=head2 NSExpand => 1 I<# in+out handy - SAX only>
This option controls namespace expansion - the translation of element and
attribute names of the form 'prefix:name' to '{uri}name'. For example the
element name 'xsl:template' might be expanded to:
'{http://www.w3.org/1999/XSL/Transform}template'.
By default, C<XMLin()> will return element names and attribute names exactly as
they appear in the XML. Setting this option to 1 will cause all element and
attribute names to be expanded to include their namespace prefix.
I<Note: You must be using a SAX parser for this option to work (ie: it does not
work with XML::Parser)>.
This option also controls whether C<XMLout()> performs the reverse translation
from '{uri}name' back to 'prefix:name'. The default is no translation. If
your data contains expanded names, you should set this option to 1 otherwise
C<XMLout> will emit XML which is not well formed.
I<Note: You must have the XML::NamespaceSupport module installed if you want
C<XMLout()> to translate URIs back to prefixes>.
=head2 NumericEscape => 0 | 1 | 2 I<# out - handy>
Use this option to have 'high' (non-ASCII) characters in your Perl data
structure converted to numeric entities (eg: €) in the XML output. Three
levels are possible:
0 - default: no numeric escaping (OK if you're writing out UTF8)
1 - only characters above 0xFF are escaped (ie: characters in the 0x80-FF range are not escaped), possibly useful with ISO8859-1 output
2 - all characters above 0x7F are escaped (good for plain ASCII output)
=head2 OutputFile => <file specifier> I<# out - handy>
The default behaviour of C<XMLout()> is to return the XML as a string. If you
wish to write the XML to a file, simply supply the filename using the
'OutputFile' option.
This option also accepts an IO handle object - especially useful in Perl 5.8.0
and later for output using an encoding other than UTF-8, eg:
open my $fh, '>:encoding(iso-8859-1)', $path or die "open($path): $!";
XMLout($ref, OutputFile => $fh);
Note, XML::Simple does not require that the object you pass in to the
OutputFile option inherits from L<IO::Handle> - it simply assumes the object
supports a C<print> method.
=head2 ParserOpts => [ XML::Parser Options ] I<# in - don't use this>
I<Note: This option is now officially deprecated. If you find it useful, email
the author with an example of what you use it for. Do not use this option to
set the ProtocolEncoding, that's just plain wrong - fix the XML>.
This option allows you to pass parameters to the constructor of the underlying
XML::Parser object (which of course assumes you're not using SAX).
=head2 RootName => 'string' I<# out - handy>
By default, when C<XMLout()> generates XML, the root element will be named
'opt'. This option allows you to specify an alternative name.
Specifying either undef or the empty string for the RootName option will
produce XML with no root elements. In most cases the resulting XML fragment
will not be 'well formed' and therefore could not be read back in by C<XMLin()>.
Nevertheless, the option has been found to be useful in certain circumstances.
=head2 SearchPath => [ list ] I<# in - handy>
If you pass C<XMLin()> a filename, but the filename include no directory
component, you can use this option to specify which directories should be
searched to locate the file. You might use this option to search first in the
user's home directory, then in a global directory such as /etc.
If a filename is provided to C<XMLin()> but SearchPath is not defined, the
file is assumed to be in the current directory.
If the first parameter to C<XMLin()> is undefined, the default SearchPath
will contain only the directory in which the script itself is located.
Otherwise the default SearchPath will be empty.
=head2 StrictMode => 1 | 0 I<# in+out seldom used>
This option allows you to turn L<STRICT MODE> on or off for a particular call,
regardless of whether it was enabled at the time XML::Simple was loaded.
=head2 SuppressEmpty => 1 | '' | undef I<# in+out - handy>
This option controls what C<XMLin()> should do with empty elements (no
attributes and no content). The default behaviour is to represent them as
empty hashes. Setting this option to a true value (eg: 1) will cause empty
elements to be skipped altogether. Setting the option to 'undef' or the empty
string will cause empty elements to be represented as the undefined value or
the empty string respectively. The latter two alternatives are a little
easier to test for in your code than a hash with no keys.
The option also controls what C<XMLout()> does with undefined values. Setting
the option to undef causes undefined values to be output as empty elements
(rather than empty attributes), it also suppresses the generation of warnings
about undefined values. Setting the option to a true value (eg: 1) causes
undefined values to be skipped altogether on output.
=head2 ValueAttr => [ names ] I<# in - handy>
Use this option to deal elements which always have a single attribute and no
content. Eg:
<opt>
<colour value="red" />
<size value="XXL" />
</opt>
Setting C<< ValueAttr => [ 'value' ] >> will cause the above XML to parse to:
{
colour => 'red',
size => 'XXL'
}
instead of this (the default):
{
colour => { value => 'red' },
size => { value => 'XXL' }
}
Note: This form of the ValueAttr option is not compatible with C<XMLout()> -
since the attribute name is discarded at parse time, the original XML cannot be
reconstructed.
=head2 ValueAttr => { element => attribute, ... } I<# in+out - handy>
This (preferred) form of the ValueAttr option requires you to specify both
the element and the attribute names. This is not only safer, it also allows
the original XML to be reconstructed by C<XMLout()>.
Note: You probably don't want to use this option and the NoAttr option at the
same time.
=head2 Variables => { name => value } I<# in - handy>
This option allows variables in the XML to be expanded when the file is read.
(there is no facility for putting the variable names back if you regenerate
XML using C<XMLout>).
A 'variable' is any text of the form C<${name}> which occurs in an attribute
value or in the text content of an element. If 'name' matches a key in the
supplied hashref, C<${name}> will be replaced with the corresponding value from
the hashref. If no matching key is found, the variable will not be replaced.
Names must match the regex: C<[\w.]+> (ie: only 'word' characters and dots are
allowed).
=head2 VarAttr => 'attr_name' I<# in - handy>
In addition to the variables defined using C<Variables>, this option allows
variables to be defined in the XML. A variable definition consists of an
element with an attribute called 'attr_name' (the value of the C<VarAttr>
option). The value of the attribute will be used as the variable name and the
text content of the element will be used as the value. A variable defined in
this way will override a variable defined using the C<Variables> option. For
example:
XMLin( '<opt>
<dir name="prefix">/usr/local/apache</dir>
<dir name="exec_prefix">${prefix}</dir>
<dir name="bindir">${exec_prefix}/bin</dir>
</opt>',
VarAttr => 'name', ContentKey => '-content'
);
produces the following data structure:
{
dir => {
prefix => '/usr/local/apache',
exec_prefix => '/usr/local/apache',
bindir => '/usr/local/apache/bin',
}
}
=head2 XMLDecl => 1 or XMLDecl => 'string' I<# out - handy>
If you want the output from C<XMLout()> to start with the optional XML
declaration, simply set the option to '1'. The default XML declaration is:
<?xml version='1.0' standalone='yes'?>
If you want some other string (for example to declare an encoding value), set
the value of this option to the complete string you require.
=head1 OPTIONAL OO INTERFACE
The procedural interface is both simple and convenient however there are a
couple of reasons why you might prefer to use the object oriented (OO)
interface:
=over 4
=item *
to define a set of default values which should be used on all subsequent calls
to C<XMLin()> or C<XMLout()>
=item *
to override methods in B<XML::Simple> to provide customised behaviour
=back
The default values for the options described above are unlikely to suit
everyone. The OO interface allows you to effectively override B<XML::Simple>'s
defaults with your preferred values. It works like this:
First create an XML::Simple parser object with your preferred defaults:
my $xs = XML::Simple->new(ForceArray => 1, KeepRoot => 1);
then call C<XMLin()> or C<XMLout()> as a method of that object:
my $ref = $xs->XMLin($xml);
my $xml = $xs->XMLout($ref);
You can also specify options when you make the method calls and these values
will be merged with the values specified when the object was created. Values
specified in a method call take precedence.
Note: when called as methods, the C<XMLin()> and C<XMLout()> routines may be
called as C<xml_in()> or C<xml_out()>. The method names are aliased so the
only difference is the aesthetics.
=head2 Parsing Methods
You can explicitly call one of the following methods rather than rely on the
C<xml_in()> method automatically determining whether the target to be parsed is
a string, a file or a filehandle:
=over 4
=item parse_string(text)
Works exactly like the C<xml_in()> method but assumes the first argument is
a string of XML (or a reference to a scalar containing a string of XML).
=item parse_file(filename)
Works exactly like the C<xml_in()> method but assumes the first argument is
the name of a file containing XML.
=item parse_fh(file_handle)
Works exactly like the C<xml_in()> method but assumes the first argument is
a filehandle which can be read to get XML.
=back
=head2 Hook Methods
You can make your own class which inherits from XML::Simple and overrides
certain behaviours. The following methods may provide useful 'hooks' upon
which to hang your modified behaviour. You may find other undocumented methods
by examining the source, but those may be subject to change in future releases.
=over 4
=item new_xml_parser()
This method will be called when a new XML::Parser object must be constructed
(either because XML::SAX is not installed or XML::Parser is preferred).
=item handle_options(direction, name => value ...)
This method will be called when one of the parsing methods or the C<XMLout()>
method is called. The initial argument will be a string (either 'in' or 'out')
and the remaining arguments will be name value pairs.
=item default_config_file()
Calculates and returns the name of the file which should be parsed if no
filename is passed to C<XMLin()> (default: C<$0.xml>).
=item build_simple_tree(filename, string)
Called from C<XMLin()> or any of the parsing methods. Takes either a file name
as the first argument or C<undef> followed by a 'string' as the second
argument. Returns a simple tree data structure. You could override this
method to apply your own transformations before the data structure is returned
to the caller.
=item new_hashref()
When the 'simple tree' data structure is being built, this method will be
called to create any required anonymous hashrefs.
=item sorted_keys(name, hashref)
Called when C<XMLout()> is translating a hashref to XML. This routine returns
a list of hash keys in the order that the corresponding attributes/elements
should appear in the output.
=item escape_value(string)
Called from C<XMLout()>, takes a string and returns a copy of the string with
XML character escaping rules applied.
=item escape_attr(string)
Called from C<XMLout()>, to handle attribute values. By default, just calls
C<escape_value()>, but you can override this method if you want attributes
escaped differently than text content.
=item numeric_escape(string)
Called from C<escape_value()>, to handle non-ASCII characters (depending on the
value of the NumericEscape option).
=item copy_hash(hashref, extra_key => value, ...)
Called from C<XMLout()>, when 'unfolding' a hash of hashes into an array of
hashes. You might wish to override this method if you're using tied hashes and
don't want them to get untied.
=back
=head2 Cache Methods
XML::Simple implements three caching schemes ('storable', 'memshare' and
'memcopy'). You can implement a custom caching scheme by implementing
two methods - one for reading from the cache and one for writing to it.
For example, you might implement a new 'dbm' scheme that stores cached data
structures using the L<MLDBM> module. First, you would add a
C<cache_read_dbm()> method which accepted a filename for use as a lookup key
and returned a data structure on success, or undef on failure. Then, you would
implement a C<cache_read_dbm()> method which accepted a data structure and a
filename.
You would use this caching scheme by specifying the option:
Cache => [ 'dbm' ]
=head1 STRICT MODE
If you import the B<XML::Simple> routines like this:
use XML::Simple qw(:strict);
the following common mistakes will be detected and treated as fatal errors
=over 4
=item *
Failing to explicitly set the C<KeyAttr> option - if you can't be bothered
reading about this option, turn it off with: KeyAttr => [ ]
=item *
Failing to explicitly set the C<ForceArray> option - if you can't be bothered
reading about this option, set it to the safest mode with: ForceArray => 1
=item *
Setting ForceArray to an array, but failing to list all the elements from the
KeyAttr hash.
=item *
Data error - KeyAttr is set to say { part => 'partnum' } but the XML contains
one or more E<lt>partE<gt> elements without a 'partnum' attribute (or nested
element). Note: if strict mode is not set but C<use warnings;> is in force,
this condition triggers a warning.
=item *
Data error - as above, but non-unique values are present in the key attribute
(eg: more than one E<lt>partE<gt> element with the same partnum). This will
also trigger a warning if strict mode is not enabled.
=item *
Data error - as above, but value of key attribute (eg: partnum) is not a
scalar string (due to nested elements etc). This will also trigger a warning
if strict mode is not enabled.
=back
=head1 SAX SUPPORT
From version 1.08_01, B<XML::Simple> includes support for SAX (the Simple API
for XML) - specifically SAX2.
In a typical SAX application, an XML parser (or SAX 'driver') module generates
SAX events (start of element, character data, end of element, etc) as it parses
an XML document and a 'handler' module processes the events to extract the
required data. This simple model allows for some interesting and powerful
possibilities:
=over 4
=item *
Applications written to the SAX API can extract data from huge XML documents
without the memory overheads of a DOM or tree API.
=item *
The SAX API allows for plug and play interchange of parser modules without
having to change your code to fit a new module's API. A number of SAX parsers
are available with capabilities ranging from extreme portability to blazing
performance.
=item *
A SAX 'filter' module can implement both a handler interface for receiving
data and a generator interface for passing modified data on to a downstream
handler. Filters can be chained together in 'pipelines'.
=item *
One filter module might split a data stream to direct data to two or more
downstream handlers.
=item *
Generating SAX events is not the exclusive preserve of XML parsing modules.
For example, a module might extract data from a relational database using DBI
and pass it on to a SAX pipeline for filtering and formatting.
=back
B<XML::Simple> can operate at either end of a SAX pipeline. For example,
you can take a data structure in the form of a hashref and pass it into a
SAX pipeline using the 'Handler' option on C<XMLout()>:
use XML::Simple;
use Some::SAX::Filter;
use XML::SAX::Writer;
my $ref = {
.... # your data here
};
my $writer = XML::SAX::Writer->new();
my $filter = Some::SAX::Filter->new(Handler => $writer);
my $simple = XML::Simple->new(Handler => $filter);
$simple->XMLout($ref);
You can also put B<XML::Simple> at the opposite end of the pipeline to take
advantage of the simple 'tree' data structure once the relevant data has been
isolated through filtering:
use XML::SAX;
use Some::SAX::Filter;
use XML::Simple;
my $simple = XML::Simple->new(ForceArray => 1, KeyAttr => ['partnum']);
my $filter = Some::SAX::Filter->new(Handler => $simple);
my $parser = XML::SAX::ParserFactory->parser(Handler => $filter);
my $ref = $parser->parse_uri('some_huge_file.xml');
print $ref->{part}->{'555-1234'};
You can build a filter by using an XML::Simple object as a handler and setting
its DataHandler option to point to a routine which takes the resulting tree,
modifies it and sends it off as SAX events to a downstream handler:
my $writer = XML::SAX::Writer->new();
my $filter = XML::Simple->new(
DataHandler => sub {
my $simple = shift;
my $data = shift;
# Modify $data here
$simple->XMLout($data, Handler => $writer);
}
);
my $parser = XML::SAX::ParserFactory->parser(Handler => $filter);
$parser->parse_uri($filename);
I<Note: In this last example, the 'Handler' option was specified in the call to
C<XMLout()> but it could also have been specified in the constructor>.
=head1 ENVIRONMENT
If you don't care which parser module B<XML::Simple> uses then skip this
section entirely (it looks more complicated than it really is).
B<XML::Simple> will default to using a B<SAX> parser if one is available or
B<XML::Parser> if SAX is not available.
You can dictate which parser module is used by setting either the environment
variable 'XML_SIMPLE_PREFERRED_PARSER' or the package variable
$XML::Simple::PREFERRED_PARSER to contain the module name. The following rules
are used:
=over 4
=item *
The package variable takes precedence over the environment variable if both are defined. To force B<XML::Simple> to ignore the environment settings and use
its default rules, you can set the package variable to an empty string.
=item *
If the 'preferred parser' is set to the string 'XML::Parser', then
L<XML::Parser> will be used (or C<XMLin()> will die if L<XML::Parser> is not
installed).
=item *
If the 'preferred parser' is set to some other value, then it is assumed to be
the name of a SAX parser module and is passed to L<XML::SAX::ParserFactory>.
If L<XML::SAX> is not installed, or the requested parser module is not
installed, then C<XMLin()> will die.
=item *
If the 'preferred parser' is not defined at all (the normal default
state), an attempt will be made to load L<XML::SAX>. If L<XML::SAX> is
installed, then a parser module will be selected according to
L<XML::SAX::ParserFactory>'s normal rules (which typically means the last SAX
parser installed).
=item *
if the 'preferred parser' is not defined and B<XML::SAX> is not
installed, then B<XML::Parser> will be used. C<XMLin()> will die if
L<XML::Parser> is not installed.
=back
Note: The B<XML::SAX> distribution includes an XML parser written entirely in
Perl. It is very portable but it is not very fast. You should consider
installing L<XML::LibXML> or L<XML::SAX::Expat> if they are available for your
platform.
=head1 ERROR HANDLING
The XML standard is very clear on the issue of non-compliant documents. An
error in parsing any single element (for example a missing end tag) must cause
the whole document to be rejected. B<XML::Simple> will die with an appropriate
message if it encounters a parsing error.
If dying is not appropriate for your application, you should arrange to call
C<XMLin()> in an eval block and look for errors in $@. eg:
my $config = eval { XMLin() };
PopUpMessage($@) if($@);
Note, there is a common misconception that use of B<eval> will significantly
slow down a script. While that may be true when the code being eval'd is in a
string, it is not true of code like the sample above.
=head1 EXAMPLES
When C<XMLin()> reads the following very simple piece of XML:
<opt username="testuser" password="frodo"></opt>
it returns the following data structure:
{
'username' => 'testuser',
'password' => 'frodo'
}
The identical result could have been produced with this alternative XML:
<opt username="testuser" password="frodo" />
Or this (although see 'ForceArray' option for variations):
<opt>
<username>testuser</username>
<password>frodo</password>
</opt>
Repeated nested elements are represented as anonymous arrays:
<opt>
<person firstname="Joe" lastname="Smith">
<email>joe@smith.com</email>
<email>jsmith@yahoo.com</email>
</person>
<person firstname="Bob" lastname="Smith">
<email>bob@smith.com</email>
</person>
</opt>
{
'person' => [
{
'email' => [
'joe@smith.com',
'jsmith@yahoo.com'
],
'firstname' => 'Joe',
'lastname' => 'Smith'
},
{
'email' => 'bob@smith.com',
'firstname' => 'Bob',
'lastname' => 'Smith'
}
]
}
Nested elements with a recognised key attribute are transformed (folded) from
an array into a hash keyed on the value of that attribute (see the C<KeyAttr>
option):
<opt>
<person key="jsmith" firstname="Joe" lastname="Smith" />
<person key="tsmith" firstname="Tom" lastname="Smith" />
<person key="jbloggs" firstname="Joe" lastname="Bloggs" />
</opt>
{
'person' => {
'jbloggs' => {
'firstname' => 'Joe',
'lastname' => 'Bloggs'
},
'tsmith' => {
'firstname' => 'Tom',
'lastname' => 'Smith'
},
'jsmith' => {
'firstname' => 'Joe',
'lastname' => 'Smith'
}
}
}
The <anon> tag can be used to form anonymous arrays:
<opt>
<head><anon>Col 1</anon><anon>Col 2</anon><anon>Col 3</anon></head>
<data><anon>R1C1</anon><anon>R1C2</anon><anon>R1C3</anon></data>
<data><anon>R2C1</anon><anon>R2C2</anon><anon>R2C3</anon></data>
<data><anon>R3C1</anon><anon>R3C2</anon><anon>R3C3</anon></data>
</opt>
{
'head' => [
[ 'Col 1', 'Col 2', 'Col 3' ]
],
'data' => [
[ 'R1C1', 'R1C2', 'R1C3' ],
[ 'R2C1', 'R2C2', 'R2C3' ],
[ 'R3C1', 'R3C2', 'R3C3' ]
]
}
Anonymous arrays can be nested to arbitrary levels and as a special case, if
the surrounding tags for an XML document contain only an anonymous array the
arrayref will be returned directly rather than the usual hashref:
<opt>
<anon><anon>Col 1</anon><anon>Col 2</anon></anon>
<anon><anon>R1C1</anon><anon>R1C2</anon></anon>
<anon><anon>R2C1</anon><anon>R2C2</anon></anon>
</opt>
[
[ 'Col 1', 'Col 2' ],
[ 'R1C1', 'R1C2' ],
[ 'R2C1', 'R2C2' ]
]
Elements which only contain text content will simply be represented as a
scalar. Where an element has both attributes and text content, the element
will be represented as a hashref with the text content in the 'content' key
(see the C<ContentKey> option):
<opt>
<one>first</one>
<two attr="value">second</two>
</opt>
{
'one' => 'first',
'two' => { 'attr' => 'value', 'content' => 'second' }
}
Mixed content (elements which contain both text content and nested elements)
will be not be represented in a useful way - element order and significant
whitespace will be lost. If you need to work with mixed content, then
XML::Simple is not the right tool for your job - check out the next section.
=head1 WHERE TO FROM HERE?
B<XML::Simple> is able to present a simple API because it makes some
assumptions on your behalf. These include:
=over 4
=item *
You're not interested in text content consisting only of whitespace
=item *
You don't mind that when things get slurped into a hash the order is lost
=item *
You don't want fine-grained control of the formatting of generated XML
=item *
You would never use a hash key that was not a legal XML element name
=item *
You don't need help converting between different encodings
=back
In a serious XML project, you'll probably outgrow these assumptions fairly
quickly. This section of the document used to offer some advice on choosing a
more powerful option. That advice has now grown into the 'Perl-XML FAQ'
document which you can find at: L<http://perl-xml.sourceforge.net/faq/>
The advice in the FAQ boils down to a quick explanation of tree versus
event based parsers and then recommends:
For event based parsing, use SAX (do not set out to write any new code for
XML::Parser's handler API - it is obsolete).
For tree-based parsing, you could choose between the 'Perlish' approach of
L<XML::Twig> and more standards based DOM implementations - preferably one with
XPath support such as L<XML::LibXML>.
=head1 SEE ALSO
B<XML::Simple> requires either L<XML::Parser> or L<XML::SAX>.
To generate documents with namespaces, L<XML::NamespaceSupport> is required.
The optional caching functions require L<Storable>.
Answers to Frequently Asked Questions about XML::Simple are bundled with this
distribution as: L<XML::Simple::FAQ>
=head1 COPYRIGHT
Copyright 1999-2004 Grant McLean E<lt>grantm@cpan.orgE<gt>
This library is free software; you can redistribute it and/or modify it
under the same terms as Perl itself.
=cut
PK �fl\��45$ 5$ perl5/5.32/XML/SAX.pmnu ��6�$ # $Id$
package XML::SAX;
use strict;
use vars qw($VERSION @ISA @EXPORT_OK);
$VERSION = '1.02';
use Exporter ();
@ISA = ('Exporter');
@EXPORT_OK = qw(Namespaces Validation);
use File::Basename qw(dirname);
use File::Spec ();
use Symbol qw(gensym);
use XML::SAX::ParserFactory (); # loaded for simplicity
use constant PARSER_DETAILS => "ParserDetails.ini";
use constant Namespaces => "http://xml.org/sax/features/namespaces";
use constant Validation => "http://xml.org/sax/features/validation";
my $known_parsers = undef;
# load_parsers takes the ParserDetails.ini file out of the same directory
# that XML::SAX is in, and looks at it. Format in POD below
=begin EXAMPLE
[XML::SAX::PurePerl]
http://xml.org/sax/features/namespaces = 1
http://xml.org/sax/features/validation = 0
# a comment
# blank lines ignored
[XML::SAX::AnotherParser]
http://xml.org/sax/features/namespaces = 0
http://xml.org/sax/features/validation = 1
=end EXAMPLE
=cut
sub load_parsers {
my $class = shift;
my $dir = shift;
# reset parsers
$known_parsers = [];
# get directory from wherever XML::SAX is installed
if (!$dir) {
$dir = $INC{'XML/SAX.pm'};
$dir = dirname($dir);
}
my $fh = gensym();
if (!open($fh, File::Spec->catfile($dir, "SAX", PARSER_DETAILS))) {
XML::SAX->do_warn("could not find " . PARSER_DETAILS . " in $dir/SAX\n");
return $class;
}
$known_parsers = $class->_parse_ini_file($fh);
return $class;
}
sub _parse_ini_file {
my $class = shift;
my ($fh) = @_;
my @config;
my $lineno = 0;
while (defined(my $line = <$fh>)) {
$lineno++;
my $original = $line;
# strip whitespace
$line =~ s/\s*$//m;
$line =~ s/^\s*//m;
# strip comments
$line =~ s/[#;].*$//m;
# ignore blanks
next if $line =~ /^$/m;
# heading
if ($line =~ /^\[\s*(.*)\s*\]$/m) {
push @config, { Name => $1 };
next;
}
# instruction
elsif ($line =~ /^(.*?)\s*?=\s*(.*)$/) {
unless(@config) {
push @config, { Name => '' };
}
$config[-1]{Features}{$1} = $2;
}
# not whitespace, comment, or instruction
else {
die "Invalid line in ini: $lineno\n>>> $original\n";
}
}
return \@config;
}
sub parsers {
my $class = shift;
if (!$known_parsers) {
$class->load_parsers();
}
return $known_parsers;
}
sub remove_parser {
my $class = shift;
my ($parser_module) = @_;
if (!$known_parsers) {
$class->load_parsers();
}
@$known_parsers = grep { $_->{Name} ne $parser_module } @$known_parsers;
return $class;
}
sub add_parser {
my $class = shift;
my ($parser_module) = @_;
if (!$known_parsers) {
$class->load_parsers();
}
# first load module, then query features, then push onto known_parsers,
my $parser_file = $parser_module;
$parser_file =~ s/::/\//g;
$parser_file .= ".pm";
require $parser_file;
my @features = $parser_module->supported_features();
my $new = { Name => $parser_module };
foreach my $feature (@features) {
$new->{Features}{$feature} = 1;
}
# If exists in list already, move to end.
my $done = 0;
my $pos = undef;
for (my $i = 0; $i < @$known_parsers; $i++) {
my $p = $known_parsers->[$i];
if ($p->{Name} eq $parser_module) {
$pos = $i;
}
}
if (defined $pos) {
splice(@$known_parsers, $pos, 1);
push @$known_parsers, $new;
$done++;
}
# Otherwise (not in list), add at end of list.
if (!$done) {
push @$known_parsers, $new;
}
return $class;
}
sub save_parsers {
my $class = shift;
# get directory from wherever XML::SAX is installed
my $dir = $INC{'XML/SAX.pm'};
$dir = dirname($dir);
my $file = File::Spec->catfile($dir, "SAX", PARSER_DETAILS);
chmod 0644, $file;
unlink($file);
my $fh = gensym();
open($fh, ">$file") ||
die "Cannot write to $file: $!";
foreach my $p (@$known_parsers) {
print $fh "[$p->{Name}]\n";
foreach my $key (keys %{$p->{Features}}) {
print $fh "$key = $p->{Features}{$key}\n";
}
print $fh "\n";
}
print $fh "\n";
close $fh;
return $class;
}
sub do_warn {
my $class = shift;
# Don't output warnings if running under Test::Harness
warn(@_) unless $ENV{HARNESS_ACTIVE};
}
1;
__END__
=head1 NAME
XML::SAX - Simple API for XML
=head1 SYNOPSIS
use XML::SAX;
# get a list of known parsers
my $parsers = XML::SAX->parsers();
# add/update a parser
XML::SAX->add_parser(q(XML::SAX::PurePerl));
# remove parser
XML::SAX->remove_parser(q(XML::SAX::Foodelberry));
# save parsers
XML::SAX->save_parsers();
=head1 DESCRIPTION
XML::SAX is a SAX parser access API for Perl. It includes classes
and APIs required for implementing SAX drivers, along with a factory
class for returning any SAX parser installed on the user's system.
=head1 USING A SAX2 PARSER
The factory class is XML::SAX::ParserFactory. Please see the
documentation of that module for how to instantiate a SAX parser:
L<XML::SAX::ParserFactory>. However if you don't want to load up
another manual page, here's a short synopsis:
use XML::SAX::ParserFactory;
use XML::SAX::XYZHandler;
my $handler = XML::SAX::XYZHandler->new();
my $p = XML::SAX::ParserFactory->parser(Handler => $handler);
$p->parse_uri("foo.xml");
# or $p->parse_string("<foo/>") or $p->parse_file($fh);
This will automatically load a SAX2 parser (defaulting to
XML::SAX::PurePerl if no others are found) and return it to you.
In order to learn how to use SAX to parse XML, you will need to read
L<XML::SAX::Intro> and for reference, L<XML::SAX::Specification>.
=head1 WRITING A SAX2 PARSER
The first thing to remember in writing a SAX2 parser is to subclass
XML::SAX::Base. This will make your life infinitely easier, by providing
a number of methods automagically for you. See L<XML::SAX::Base> for more
details.
When writing a SAX2 parser that is compatible with XML::SAX, you need
to inform XML::SAX of the presence of that driver when you install it.
In order to do that, XML::SAX contains methods for saving the fact that
the parser exists on your system to a "INI" file, which is then loaded
to determine which parsers are installed.
The best way to do this is to follow these rules:
=over 4
=item * Add XML::SAX as a prerequisite in Makefile.PL:
WriteMakefile(
...
PREREQ_PM => { 'XML::SAX' => 0 },
...
);
Alternatively you may wish to check for it in other ways that will
cause more than just a warning.
=item * Add the following code snippet to your Makefile.PL:
sub MY::install {
package MY;
my $script = shift->SUPER::install(@_);
if (ExtUtils::MakeMaker::prompt(
"Do you want to modify ParserDetails.ini?", 'Y')
=~ /^y/i) {
$script =~ s/install :: (.*)$/install :: $1 install_sax_driver/m;
$script .= <<"INSTALL";
install_sax_driver :
\t\@\$(PERL) -MXML::SAX -e "XML::SAX->add_parser(q(\$(NAME)))->save_parsers()"
INSTALL
}
return $script;
}
Note that you should check the output of this - \$(NAME) will use the name of
your distribution, which may not be exactly what you want. For example XML::LibXML
has a driver called XML::LibXML::SAX::Generator, which is used in place of
\$(NAME) in the above.
=item * Add an XML::SAX test:
A test file should be added to your t/ directory containing something like the
following:
use Test;
BEGIN { plan tests => 3 }
use XML::SAX;
use XML::SAX::PurePerl::DebugHandler;
XML::SAX->add_parser(q(XML::SAX::MyDriver));
local $XML::SAX::ParserPackage = 'XML::SAX::MyDriver';
eval {
my $handler = XML::SAX::PurePerl::DebugHandler->new();
ok($handler);
my $parser = XML::SAX::ParserFactory->parser(Handler => $handler);
ok($parser);
ok($parser->isa('XML::SAX::MyDriver');
$parser->parse_string("<tag/>");
ok($handler->{seen}{start_element});
};
=back
=head1 EXPORTS
By default, XML::SAX exports nothing into the caller's namespace. However you
can request the symbols C<Namespaces> and C<Validation> which are the
URIs for those features, allowing an easier way to request those features
via ParserFactory:
use XML::SAX qw(Namespaces Validation);
my $factory = XML::SAX::ParserFactory->new();
$factory->require_feature(Namespaces);
$factory->require_feature(Validation);
my $parser = $factory->parser();
=head1 AUTHOR
Current maintainer: Grant McLean, grantm@cpan.org
Originally written by:
Matt Sergeant, matt@sergeant.org
Kip Hampton, khampton@totalcinema.com
Robin Berjon, robin@knowscape.com
=head1 LICENSE
This is free software, you may use it and distribute it under
the same terms as Perl itself.
=head1 SEE ALSO
L<XML::SAX::Base> for writing SAX Filters and Parsers
L<XML::SAX::PurePerl> for an XML parser written in 100%
pure perl.
L<XML::SAX::Exception> for details on exception handling
=cut
PK �fl\F��|�M �M " perl5/5.32/XML/NamespaceSupport.pmnu ��6�$ package XML::NamespaceSupport;
use strict;
our $VERSION = '1.12'; # VERSION
# ABSTRACT: A simple generic namespace processor
use constant FATALS => 0; # root object
use constant NSMAP => 1;
use constant UNKNOWN_PREF => 2;
use constant AUTO_PREFIX => 3;
use constant XMLNS_11 => 4;
use constant DEFAULT => 0; # maps
use constant PREFIX_MAP => 1;
use constant DECLARATIONS => 2;
use vars qw($NS_XMLNS $NS_XML);
$NS_XMLNS = 'http://www.w3.org/2000/xmlns/';
$NS_XML = 'http://www.w3.org/XML/1998/namespace';
# add the ns stuff that baud wants based on Java's xml-writer
#-------------------------------------------------------------------#
# constructor
#-------------------------------------------------------------------#
sub new {
my $class = ref($_[0]) ? ref(shift) : shift;
my $options = shift;
my $self = [
1, # FATALS
[[ # NSMAP
undef, # DEFAULT
{ xml => $NS_XML }, # PREFIX_MAP
undef, # DECLARATIONS
]],
'aaa', # UNKNOWN_PREF
0, # AUTO_PREFIX
1, # XML_11
];
$self->[NSMAP]->[0]->[PREFIX_MAP]->{xmlns} = $NS_XMLNS if $options->{xmlns};
$self->[FATALS] = $options->{fatal_errors} if defined $options->{fatal_errors};
$self->[AUTO_PREFIX] = $options->{auto_prefix} if defined $options->{auto_prefix};
$self->[XMLNS_11] = $options->{xmlns_11} if defined $options->{xmlns_11};
return bless $self, $class;
}
#-------------------------------------------------------------------#
# reset() - return to the original state (for reuse)
#-------------------------------------------------------------------#
sub reset {
my $self = shift;
$#{$self->[NSMAP]} = 0;
}
#-------------------------------------------------------------------#
# push_context() - add a new empty context to the stack
#-------------------------------------------------------------------#
sub push_context {
my $self = shift;
push @{$self->[NSMAP]}, [
$self->[NSMAP]->[-1]->[DEFAULT],
{ %{$self->[NSMAP]->[-1]->[PREFIX_MAP]} },
[],
];
}
#-------------------------------------------------------------------#
# pop_context() - remove the topmost context from the stack
#-------------------------------------------------------------------#
sub pop_context {
my $self = shift;
die 'Trying to pop context without push context' unless @{$self->[NSMAP]} > 1;
pop @{$self->[NSMAP]};
}
#-------------------------------------------------------------------#
# declare_prefix() - declare a prefix in the current scope
#-------------------------------------------------------------------#
sub declare_prefix {
my $self = shift;
my $prefix = shift;
my $value = shift;
warn <<' EOWARN' unless defined $prefix or $self->[AUTO_PREFIX];
Prefix was undefined.
If you wish to set the default namespace, use the empty string ''.
If you wish to autogenerate prefixes, set the auto_prefix option
to a true value.
EOWARN
no warnings 'uninitialized';
if ($prefix eq 'xml' and $value ne $NS_XML) {
die "The xml prefix can only be bound to the $NS_XML namespace."
}
elsif ($value eq $NS_XML and $prefix ne 'xml') {
die "the $NS_XML namespace can only be bound to the xml prefix.";
}
elsif ($value eq $NS_XML and $prefix eq 'xml') {
return 1;
}
return 0 if index(lc($prefix), 'xml') == 0;
use warnings 'uninitialized';
if (defined $prefix and $prefix eq '') {
$self->[NSMAP]->[-1]->[DEFAULT] = $value;
}
else {
die "Cannot declare prefix $prefix" if $value eq '' and not $self->[XMLNS_11];
if (not defined $prefix and $self->[AUTO_PREFIX]) {
while (1) {
$prefix = $self->[UNKNOWN_PREF]++;
last if not exists $self->[NSMAP]->[-1]->[PREFIX_MAP]->{$prefix};
}
}
elsif (not defined $prefix and not $self->[AUTO_PREFIX]) {
return 0;
}
$self->[NSMAP]->[-1]->[PREFIX_MAP]->{$prefix} = $value;
}
push @{$self->[NSMAP]->[-1]->[DECLARATIONS]}, $prefix;
return 1;
}
#-------------------------------------------------------------------#
# declare_prefixes() - declare several prefixes in the current scope
#-------------------------------------------------------------------#
sub declare_prefixes {
my $self = shift;
my %prefixes = @_;
while (my ($k,$v) = each %prefixes) {
$self->declare_prefix($k,$v);
}
}
#-------------------------------------------------------------------#
# undeclare_prefix
#-------------------------------------------------------------------#
sub undeclare_prefix {
my $self = shift;
my $prefix = shift;
return if not defined($prefix);
return unless exists $self->[NSMAP]->[-1]->[PREFIX_MAP]->{$prefix};
my ( $tfix ) = grep { $_ eq $prefix } @{$self->[NSMAP]->[-1]->[DECLARATIONS]};
if ( not defined $tfix ) {
die "prefix $prefix not declared in this context\n";
}
@{$self->[NSMAP]->[-1]->[DECLARATIONS]} = grep { $_ ne $prefix } @{$self->[NSMAP]->[-1]->[DECLARATIONS]};
delete $self->[NSMAP]->[-1]->[PREFIX_MAP]->{$prefix};
}
#-------------------------------------------------------------------#
# get_prefix() - get a (random) prefix for a given URI
#-------------------------------------------------------------------#
sub get_prefix {
my $self = shift;
my $uri = shift;
# we have to iterate over the whole hash here because if we don't
# the iterator isn't reset and the next pass will fail
my $pref;
while (my ($k, $v) = each %{$self->[NSMAP]->[-1]->[PREFIX_MAP]}) {
$pref = $k if $v eq $uri;
}
return $pref;
}
#-------------------------------------------------------------------#
# get_prefixes() - get all the prefixes for a given URI
#-------------------------------------------------------------------#
sub get_prefixes {
my $self = shift;
my $uri = shift;
return keys %{$self->[NSMAP]->[-1]->[PREFIX_MAP]} unless defined $uri;
return grep { $self->[NSMAP]->[-1]->[PREFIX_MAP]->{$_} eq $uri } keys %{$self->[NSMAP]->[-1]->[PREFIX_MAP]};
}
#-------------------------------------------------------------------#
# get_declared_prefixes() - get all prefixes declared in the last context
#-------------------------------------------------------------------#
sub get_declared_prefixes {
my $declarations = $_[0]->[NSMAP]->[-1]->[DECLARATIONS];
die "At least one context must be pushed onto stack with push_context()\n",
"before calling get_declared_prefixes()"
if not defined $declarations;
return @{$_[0]->[NSMAP]->[-1]->[DECLARATIONS]};
}
#-------------------------------------------------------------------#
# get_uri() - get a URI given a prefix
#-------------------------------------------------------------------#
sub get_uri {
my $self = shift;
my $prefix = shift;
warn "Prefix must not be undef in get_uri(). The emtpy prefix must be ''" unless defined $prefix;
return $self->[NSMAP]->[-1]->[DEFAULT] if $prefix eq '';
return $self->[NSMAP]->[-1]->[PREFIX_MAP]->{$prefix} if exists $self->[NSMAP]->[-1]->[PREFIX_MAP]->{$prefix};
return undef;
}
#-------------------------------------------------------------------#
# process_name() - provide details on a name
#-------------------------------------------------------------------#
sub process_name {
my $self = shift;
my $qname = shift;
my $aflag = shift;
if ($self->[FATALS]) {
return( ($self->_get_ns_details($qname, $aflag))[0,2], $qname );
}
else {
eval { return( ($self->_get_ns_details($qname, $aflag))[0,2], $qname ); }
}
}
#-------------------------------------------------------------------#
# process_element_name() - provide details on a element's name
#-------------------------------------------------------------------#
sub process_element_name {
my $self = shift;
my $qname = shift;
if ($self->[FATALS]) {
return $self->_get_ns_details($qname, 0);
}
else {
eval { return $self->_get_ns_details($qname, 0); }
}
}
#-------------------------------------------------------------------#
# process_attribute_name() - provide details on a attribute's name
#-------------------------------------------------------------------#
sub process_attribute_name {
my $self = shift;
my $qname = shift;
if ($self->[FATALS]) {
return $self->_get_ns_details($qname, 1);
}
else {
eval { return $self->_get_ns_details($qname, 1); }
}
}
#-------------------------------------------------------------------#
# ($ns, $prefix, $lname) = $self->_get_ns_details($qname, $f_attr)
# returns ns, prefix, and lname for a given attribute name
# >> the $f_attr flag, if set to one, will work for an attribute
#-------------------------------------------------------------------#
sub _get_ns_details {
my $self = shift;
my $qname = shift;
my $aflag = shift;
my ($ns, $prefix, $lname);
(my ($tmp_prefix, $tmp_lname) = split /:/, $qname, 3)
< 3 or die "Invalid QName: $qname";
# no prefix
my $cur_map = $self->[NSMAP]->[-1];
if (not defined($tmp_lname)) {
$prefix = undef;
$lname = $qname;
# attr don't have a default namespace
$ns = ($aflag) ? undef : $cur_map->[DEFAULT];
}
# prefix
else {
if (exists $cur_map->[PREFIX_MAP]->{$tmp_prefix}) {
$prefix = $tmp_prefix;
$lname = $tmp_lname;
$ns = $cur_map->[PREFIX_MAP]->{$prefix}
}
else { # no ns -> lname == name, all rest undef
die "Undeclared prefix: $tmp_prefix";
}
}
return ($ns, $prefix, $lname);
}
#-------------------------------------------------------------------#
# parse_jclark_notation() - parse the Clarkian notation
#-------------------------------------------------------------------#
sub parse_jclark_notation {
shift;
my $jc = shift;
$jc =~ m/^\{(.*)\}([^}]+)$/;
return $1, $2;
}
#-------------------------------------------------------------------#
# Java names mapping
#-------------------------------------------------------------------#
*XML::NamespaceSupport::pushContext = \&push_context;
*XML::NamespaceSupport::popContext = \&pop_context;
*XML::NamespaceSupport::declarePrefix = \&declare_prefix;
*XML::NamespaceSupport::declarePrefixes = \&declare_prefixes;
*XML::NamespaceSupport::getPrefix = \&get_prefix;
*XML::NamespaceSupport::getPrefixes = \&get_prefixes;
*XML::NamespaceSupport::getDeclaredPrefixes = \&get_declared_prefixes;
*XML::NamespaceSupport::getURI = \&get_uri;
*XML::NamespaceSupport::processName = \&process_name;
*XML::NamespaceSupport::processElementName = \&process_element_name;
*XML::NamespaceSupport::processAttributeName = \&process_attribute_name;
*XML::NamespaceSupport::parseJClarkNotation = \&parse_jclark_notation;
*XML::NamespaceSupport::undeclarePrefix = \&undeclare_prefix;
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
XML::NamespaceSupport - A simple generic namespace processor
=head1 VERSION
version 1.12
=head1 SYNOPSIS
use XML::NamespaceSupport;
my $nsup = XML::NamespaceSupport->new;
# add a new empty context
$nsup->push_context;
# declare a few prefixes
$nsup->declare_prefix($prefix1, $uri1);
$nsup->declare_prefix($prefix2, $uri2);
# the same shorter
$nsup->declare_prefixes($prefix1 => $uri1, $prefix2 => $uri2);
# get a single prefix for a URI (randomly)
$prefix = $nsup->get_prefix($uri);
# get all prefixes for a URI (probably better)
@prefixes = $nsup->get_prefixes($uri);
# get all prefixes in scope
@prefixes = $nsup->get_prefixes();
# get all prefixes that were declared for the current scope
@prefixes = $nsup->get_declared_prefixes;
# get a URI for a given prefix
$uri = $nsup->get_uri($prefix);
# get info on a qname (java-ish way, it's a bit weird)
($ns_uri, $local_name, $qname) = $nsup->process_name($qname, $is_attr);
# the same, more perlish
($ns_uri, $prefix, $local_name) = $nsup->process_element_name($qname);
($ns_uri, $prefix, $local_name) = $nsup->process_attribute_name($qname);
# remove the current context
$nsup->pop_context;
# reset the object for reuse in another document
$nsup->reset;
# a simple helper to process Clarkian Notation
my ($ns, $lname) = $nsup->parse_jclark_notation('{http://foo}bar');
# or (given that it doesn't care about the object
my ($ns, $lname) = XML::NamespaceSupport->parse_jclark_notation('{http://foo}bar');
=head1 DESCRIPTION
This module offers a simple to process namespaced XML names (unames)
from within any application that may need them. It also helps maintain
a prefix to namespace URI map, and provides a number of basic checks.
The model for this module is SAX2's NamespaceSupport class, readable at
http://www.saxproject.org/namespaces.html
It adds a few perlisations where we thought it appropriate.
=head1 NAME
XML::NamespaceSupport - a simple generic namespace support class
=head1 METHODS
=over 4
=item * XML::NamespaceSupport->new(\%options)
A simple constructor.
The options are C<xmlns>, C<fatal_errors>, and C<auto_prefix>
If C<xmlns> is turned on (it is off by default) the mapping from the
xmlns prefix to the URI defined for it in DOM level 2 is added to the
list of predefined mappings (which normally only contains the xml
prefix mapping).
If C<fatal_errors> is turned off (it is on by default) a number of
validity errors will simply be flagged as failures, instead of
die()ing.
If C<auto_prefix> is turned on (it is off by default) when one
provides a prefix of C<undef> to C<declare_prefix> it will generate a
random prefix mapped to that namespace. Otherwise an undef prefix will
trigger a warning (you should probably know what you're doing if you
turn this option on).
If C<xmlns_11> us turned off, it becomes illegal to undeclare namespace
prefixes. It is on by default. This behaviour is compliant with Namespaces
in XML 1.1, turning it off reverts you to version 1.0.
=item * $nsup->push_context
Adds a new empty context to the stack. You can then populate it with
new prefixes defined at this level.
=item * $nsup->pop_context
Removes the topmost context in the stack and reverts to the previous
one. It will die() if you try to pop more than you have pushed.
=item * $nsup->declare_prefix($prefix, $uri)
Declares a mapping of $prefix to $uri, at the current level.
Note that with C<auto_prefix> turned on, if you declare a prefix
mapping in which $prefix is undef(), you will get an automatic prefix
selected for you. If it is off you will get a warning.
This is useful when you deal with code that hasn't kept prefixes around
and need to reserialize the nodes. It also means that if you want to
set the default namespace (i.e. with an empty prefix) you must use the
empty string instead of undef. This behaviour is consistent with the
SAX 2.0 specification.
=item * $nsup->declare_prefixes(%prefixes2uris)
Declares a mapping of several prefixes to URIs, at the current level.
=item * $nsup->get_prefix($uri)
Returns a prefix given a URI. Note that as several prefixes may be
mapped to the same URI, it returns an arbitrary one. It'll return
undef on failure.
=item * $nsup->get_prefixes($uri)
Returns an array of prefixes given a URI. It'll return all the
prefixes if the uri is undef.
=item * $nsup->get_declared_prefixes
Returns an array of all the prefixes that have been declared within
this context, ie those that were declared on the last element, not
those that were declared above and are simply in scope.
Note that at least one context must be added to the stack via
C<push_context> before this method can be called.
=item * $nsup->get_uri($prefix)
Returns a URI for a given prefix. Returns undef on failure.
=item * $nsup->process_name($qname, $is_attr)
Given a qualified name and a boolean indicating whether this is an
attribute or another type of name (those are differently affected by
default namespaces), it returns a namespace URI, local name, qualified
name tuple. I know that that is a rather abnormal list to return, but
it is so for compatibility with the Java spec. See below for more
Perlish alternatives.
If the prefix is not declared, or if the name is not valid, it'll
either die or return undef depending on the current setting of
C<fatal_errors>.
=item * $nsup->undeclare_prefix($prefix);
Removes a namespace prefix from the current context. This function may
be used in SAX's end_prefix_mapping when there is fear that a namespace
declaration might be available outside their scope (which shouldn't
normally happen, but you never know ;) ). This may be needed in order
to properly support Namespace 1.1.
=item * $nsup->process_element_name($qname)
Given a qualified name, it returns a namespace URI, prefix, and local
name tuple. This method applies to element names.
If the prefix is not declared, or if the name is not valid, it'll
either die or return undef depending on the current setting of
C<fatal_errors>.
=item * $nsup->process_attribute_name($qname)
Given a qualified name, it returns a namespace URI, prefix, and local
name tuple. This method applies to attribute names.
If the prefix is not declared, or if the name is not valid, it'll
either die or return undef depending on the current setting of
C<fatal_errors>.
=item * $nsup->reset
Resets the object so that it can be reused on another document.
=back
All methods of the interface have an alias that is the name used in
the original Java specification. You can use either name
interchangeably. Here is the mapping:
Java name Perl name
---------------------------------------------------
pushContext push_context
popContext pop_context
declarePrefix declare_prefix
declarePrefixes declare_prefixes
getPrefix get_prefix
getPrefixes get_prefixes
getDeclaredPrefixes get_declared_prefixes
getURI get_uri
processName process_name
processElementName process_element_name
processAttributeName process_attribute_name
parseJClarkNotation parse_jclark_notation
undeclarePrefix undeclare_prefix
=head1 VARIABLES
Two global variables are made available to you. They used to be constants but
simple scalars are easier to use in a number of contexts. They are not
exported but can easily be accessed from any package, or copied into it.
=over 4
=item * C<$NS_XMLNS>
The namespace for xmlns prefixes, http://www.w3.org/2000/xmlns/.
=item * C<$NS_XML>
The namespace for xml prefixes, http://www.w3.org/XML/1998/namespace.
=back
=head1 TODO
- add more tests
- optimise here and there
=head1 SEE ALSO
XML::Parser::PerlSAX
=head1 AUTHORS
=over 4
=item *
Robin Berjon <robin@knowscape.com>
=item *
Chris Prather <chris@prather.org>
=back
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2015 by Robin Berjon.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=head1 CONTRIBUTORS
=for stopwords Chris Prather David Steinbrunner Paul Cochrane Paulo Custodio
=over 4
=item *
Chris Prather <cprather@hdpublishing.com>
=item *
David Steinbrunner <dsteinbrunner@pobox.com>
=item *
Paul Cochrane <paul@liekut.de>
=item *
Paulo Custodio <pauloscustodio@gmail.com>
=back
=cut
PK �fl\ʛ��Q �Q perl5/5.32/XML/Simple/FAQ.podnu ��6�$
=head1 NAME
XML::Simple::FAQ - Frequently Asked Questions about XML::Simple
=head1 Basics
=head2 What should I use XML::Simple for?
Nothing!
It's as simple as that.
Choose a better module. See
L<Perl XML::LibXML by Example|http://grantm.github.io/perl-libxml-by-example/>
for a gentle introduction to L<XML::LibXML> with lots of examples.
=head2 What was XML::Simple designed to be used for?
XML::Simple is a Perl module that was originally developed as a tool for
reading and writing configuration data in XML format. You could use it for
other purposes that involve storing and retrieving structured data in
XML but it's likely to be a frustrating experience.
=head2 Why store configuration data in XML anyway?
It seemed like a good idea at the time. Now, I use and recommend
L<Config::General> which uses a format similar to that used by the Apache web
server. This is easier to read than XML while still allowing advanced concepts
such as nested sections.
At the time XML::Simple was written, the advantages of using XML format for
configuration data were thought to include:
=over 4
=item *
Using existing XML parsing tools requires less development time, is easier
and more robust than developing your own config file parsing code
=item *
XML can represent relationships between pieces of data, such as nesting of
sections to arbitrary levels (not easily done with .INI files for example)
=item *
XML is basically just text, so you can easily edit a config file (easier than
editing a Win32 registry)
=item *
XML provides standard solutions for handling character sets and encoding
beyond basic ASCII (important for internationalization)
=item *
If it becomes necessary to change your configuration file format, there are
many tools available for performing transformations on XML files
=item *
XML is an open standard (the world does not need more proprietary binary
file formats)
=item *
Taking the extra step of developing a DTD allows the format of configuration
files to be validated before your program reads them (not directly supported
by XML::Simple)
=item *
Combining a DTD with a good XML editor can give you a GUI config editor for
minimal coding effort
=back
=head2 What isn't XML::Simple good for?
The main limitation of XML::Simple is that it does not work with 'mixed
content' (see the next question). If you consider your XML files contain
marked up text rather than structured data, you should probably use another
module.
If your source XML documents change regularly, it's likely that you will
experience intermittent failures. In particular, failure to properly use the
ForceArray and KeyAttr options will produce code that works when you get a list
of elements with the same name, but fails when there's only one item in the
list. These types of problems can be avoided by not using XML::Simple in the
first place.
If you are working with very large XML files, XML::Simple's approach of
representing the whole file in memory as a 'tree' data structure may not be
suitable.
=head2 What is mixed content?
Consider this example XML:
<document>
<para>This is <em>mixed</em> content.</para>
</document>
This is said to be mixed content, because the E<lt>paraE<gt> element contains
both character data (text content) and nested elements.
Here's some more XML:
<person>
<first_name>Joe</first_name>
<last_name>Bloggs</last_name>
<dob>25-April-1969</dob>
</person>
This second example is not generally considered to be mixed content. The
E<lt>first_nameE<gt>, E<lt>last_nameE<gt> and E<lt>dobE<gt> elements contain
only character data and the E<lt>personE<gt> element contains only nested
elements. (Note: Strictly speaking, the whitespace between the nested
elements is character data, but it is ignored by XML::Simple).
=head2 Why doesn't XML::Simple handle mixed content?
Because if it did, it would no longer be simple :-)
Seriously though, there are plenty of excellent modules that allow you to
work with mixed content in a variety of ways. Handling mixed content
correctly is not easy and by ignoring these issues, XML::Simple is able to
present an API without a steep learning curve.
=head2 Which Perl modules do handle mixed content?
Every one of them except XML::Simple :-)
If you're looking for a recommendation, I'd suggest you look at the Perl-XML
FAQ at:
http://perl-xml.sourceforge.net/faq/
=head1 Installation
=head2 How do I install XML::Simple?
If you're running ActiveState Perl, or
L<Strawberry Perl|http://strawberryperl.com/> you've probably already got
XML::Simple and therefore do not need to install it at all. But you probably
also have L<XML::LibXML>, which is a much better module, so just use that.
If you do need to install XML::Simple, you'll need to install an XML parser
module first. Install either XML::Parser (which you may have already) or
XML::SAX. If you install both, XML::SAX will be used by default.
Once you have a parser installed ...
On Unix systems, try:
perl -MCPAN -e 'install XML::Simple'
If that doesn't work, download the latest distribution from
ftp://ftp.cpan.org/pub/CPAN/authors/id/G/GR/GRANTM , unpack it and run these
commands:
perl Makefile.PL
make
make test
make install
On Win32, if you have a recent build of ActiveState Perl (618 or better) try
this command:
ppm install XML::Simple
If that doesn't work, you really only need the Simple.pm file, so extract it
from the .tar.gz file (eg: using WinZIP) and save it in the \site\lib\XML
directory under your Perl installation (typically C:\Perl).
=head2 I'm trying to install XML::Simple and 'make test' fails
Is the directory where you've unpacked XML::Simple mounted from a file server
using NFS, SMB or some other network file sharing? If so, that may cause
errors in the following test scripts:
3_Storable.t
4_MemShare.t
5_MemCopy.t
The test suite is designed to exercise the boundary conditions of all
XML::Simple's functionality and these three scripts exercise the caching
functions. If XML::Simple is asked to parse a file for which it has a cached
copy of a previous parse, then it compares the timestamp on the XML file with
the timestamp on the cached copy. If the cached copy is *newer* then it will
be used. If the cached copy is older or the same age then the file is
re-parsed. The test scripts will get confused by networked filesystems if
the workstation and server system clocks are not synchronised (to the
second).
If you get an error in one of these three test scripts but you don't plan to
use the caching options (they're not enabled by default), then go right ahead
and run 'make install'. If you do plan to use caching, then try unpacking
the distribution on local disk and doing the build/test there.
It's probably not a good idea to use the caching options with networked
filesystems in production. If the file server's clock is ahead of the local
clock, XML::Simple will re-parse files when it could have used the cached
copy. However if the local clock is ahead of the file server clock and a
file is changed immediately after it is cached, the old cached copy will be
used.
Is one of the three test scripts (above) failing but you're not running on
a network filesystem? Are you running Win32? If so, you may be seeing a bug
in Win32 where writes to a file do not affect its modification timestamp.
If none of these scenarios match your situation, please confirm you're
running the latest version of XML::Simple and then email the output of
'make test' to me at grantm@cpan.org
=head2 Why is XML::Simple so slow?
If you find that XML::Simple is very slow reading XML, the most likely reason
is that you have XML::SAX installed but no additional SAX parser module. The
XML::SAX distribution includes an XML parser written entirely in Perl. This is
very portable but not very fast. For better performance install either
XML::SAX::Expat or XML::LibXML.
=head1 Usage
=head2 How do I use XML::Simple?
If you don't know how to use XML::Simple then the best approach is to
L<learn to use XML::LibXML|http://grantm.github.io/perl-libxml-by-example/>
instead. Stop reading this document and use that one instead.
If you are determined to use XML::Simple, it come with copious documentation,
so L<read that|XML::Simple>.
=head2 There are so many options, which ones do I really need to know about?
Although you can get by without using any options, you shouldn't even
consider using XML::Simple in production until you know what these two
options do:
=over 4
=item *
forcearray
=item *
keyattr
=back
The reason you really need to read about them is because the default values
for these options will trip you up if you don't. Although everyone agrees
that these defaults are not ideal, there is not wide agreement on what they
should be changed to. The answer therefore is to read about them (see below)
and select values which are right for you.
=head2 What is the forcearray option all about?
Consider this XML in a file called ./person.xml:
<person>
<first_name>Joe</first_name>
<last_name>Bloggs</last_name>
<hobbie>bungy jumping</hobbie>
<hobbie>sky diving</hobbie>
<hobbie>knitting</hobbie>
</person>
You could read it in with this line:
my $person = XMLin('./person.xml');
Which would give you a data structure like this:
$person = {
'first_name' => 'Joe',
'last_name' => 'Bloggs',
'hobbie' => [ 'bungy jumping', 'sky diving', 'knitting' ]
};
The E<lt>first_nameE<gt> and E<lt>last_nameE<gt> elements are represented as
simple scalar values which you could refer to like this:
print "$person->{first_name} $person->{last_name}\n";
The E<lt>hobbieE<gt> elements are represented as an array - since there is
more than one. You could refer to the first one like this:
print $person->{hobbie}->[0], "\n";
Or the whole lot like this:
print join(', ', @{$person->{hobbie}} ), "\n";
The catch is, that these last two lines of code will only work for people
who have more than one hobbie. If there is only one E<lt>hobbieE<gt>
element, it will be represented as a simple scalar (just like
E<lt>first_nameE<gt> and E<lt>last_nameE<gt>). Which might lead you to write
code like this:
if(ref($person->{hobbie})) {
print join(', ', @{$person->{hobbie}} ), "\n";
}
else {
print $person->{hobbie}, "\n";
}
Don't do that.
One alternative approach is to set the forcearray option to a true value:
my $person = XMLin('./person.xml', forcearray => 1);
Which will give you a data structure like this:
$person = {
'first_name' => [ 'Joe' ],
'last_name' => [ 'Bloggs' ],
'hobbie' => [ 'bungy jumping', 'sky diving', 'knitting' ]
};
Then you can use this line to refer to all the list of hobbies even if there
was only one:
print join(', ', @{$person->{hobbie}} ), "\n";
The downside of this approach is that the E<lt>first_nameE<gt> and
E<lt>last_nameE<gt> elements will also always be represented as arrays even
though there will never be more than one:
print "$person->{first_name}->[0] $person->{last_name}->[0]\n";
This might be OK if you change the XML to use attributes for things that
will always be singular and nested elements for things that may be plural:
<person first_name="Jane" last_name="Bloggs">
<hobbie>motorcycle maintenance</hobbie>
</person>
On the other hand, if you prefer not to use attributes, then you could
specify that any E<lt>hobbieE<gt> elements should always be represented as
arrays and all other nested elements should be simple scalar values unless
there is more than one:
my $person = XMLin('./person.xml', forcearray => [ 'hobbie' ]);
The forcearray option accepts a list of element names which should always
be forced to an array representation:
forcearray => [ qw(hobbie qualification childs_name) ]
See the XML::Simple manual page for more information.
=head2 What is the keyattr option all about?
Consider this sample XML:
<catalog>
<part partnum="1842334" desc="High pressure flange" price="24.50" />
<part partnum="9344675" desc="Threaded gasket" price="9.25" />
<part partnum="5634896" desc="Low voltage washer" price="12.00" />
</catalog>
You could slurp it in with this code:
my $catalog = XMLin('./catalog.xml');
Which would return a data structure like this:
$catalog = {
'part' => [
{
'partnum' => '1842334',
'desc' => 'High pressure flange',
'price' => '24.50'
},
{
'partnum' => '9344675',
'desc' => 'Threaded gasket',
'price' => '9.25'
},
{
'partnum' => '5634896',
'desc' => 'Low voltage washer',
'price' => '12.00'
}
]
};
Then you could access the description of the first part in the catalog
with this code:
print $catalog->{part}->[0]->{desc}, "\n";
However, if you wanted to access the description of the part with the
part number of "9344675" then you'd have to code a loop like this:
foreach my $part (@{$catalog->{part}}) {
if($part->{partnum} eq '9344675') {
print $part->{desc}, "\n";
last;
}
}
The knowledge that each E<lt>partE<gt> element has a unique partnum attribute
allows you to eliminate this search. You can pass this knowledge on to
XML::Simple like this:
my $catalog = XMLin($xml, keyattr => ['partnum']);
Which will return a data structure like this:
$catalog = {
'part' => {
'5634896' => { 'desc' => 'Low voltage washer', 'price' => '12.00' },
'1842334' => { 'desc' => 'High pressure flange', 'price' => '24.50' },
'9344675' => { 'desc' => 'Threaded gasket', 'price' => '9.25' }
}
};
XML::Simple has been able to transform $catalog->{part} from an arrayref to
a hashref (keyed on partnum). This transformation is called 'array folding'.
Through the use of array folding, you can now index directly to the
description of the part you want:
print $catalog->{part}->{9344675}->{desc}, "\n";
The 'keyattr' option also enables array folding when the unique key is in a
nested element rather than an attribute. eg:
<catalog>
<part>
<partnum>1842334</partnum>
<desc>High pressure flange</desc>
<price>24.50</price>
</part>
<part>
<partnum>9344675</partnum>
<desc>Threaded gasket</desc>
<price>9.25</price>
</part>
<part>
<partnum>5634896</partnum>
<desc>Low voltage washer</desc>
<price>12.00</price>
</part>
</catalog>
See the XML::Simple manual page for more information.
=head2 So what's the catch with 'keyattr'?
One thing to watch out for is that you might get array folding even if you
don't supply the keyattr option. The default value for this option is:
[ 'name', 'key', 'id']
Which means if your XML elements have a 'name', 'key' or 'id' attribute (or
nested element) then they may get folded on those values. This means that
you can take advantage of array folding simply through careful choice of
attribute names. On the hand, if you really don't want array folding at all,
you'll need to set 'key attr to an empty list:
my $ref = XMLin($xml, keyattr => []);
A second 'gotcha' is that array folding only works on arrays. That might
seem obvious, but if there's only one record in your XML and you didn't set
the 'forcearray' option then it won't be represented as an array and
consequently won't get folded into a hash. The moral is that if you're
using array folding, you should always turn on the forcearray option.
You probably want to be as specific as you can be too. For instance, the
safest way to parse the E<lt>catalogE<gt> example above would be:
my $catalog = XMLin($xml, keyattr => { part => 'partnum'},
forcearray => ['part']);
By using the hashref for keyattr, you can specify that only E<lt>partE<gt>
elements should be folded on the 'partnum' attribute (and that the
E<lt>partE<gt> elements should not be folded on any other attribute).
By supplying a list of element names for forcearray, you're ensuring that
folding will work even if there's only one E<lt>partE<gt>. You're also
ensuring that if the 'partnum' unique key is supplied in a nested element
then that element won't get forced to an array too.
=head2 How do I know what my data structure should look like?
The rules are fairly straightforward:
=over 4
=item *
each element gets represented as a hash
=item *
unless it contains only text, in which case it'll be a simple scalar value
=item *
or unless there's more than one element with the same name, in which case
they'll be represented as an array
=item *
unless you've got array folding enabled, in which case they'll be folded into
a hash
=item *
empty elements (no text contents B<and> no attributes) will either be
represented as an empty hash, an empty string or undef - depending on the value
of the 'suppressempty' option.
=back
If you're in any doubt, use Data::Dumper, eg:
use XML::Simple;
use Data::Dumper;
my $ref = XMLin($xml);
print Dumper($ref);
=head2 I'm getting 'Use of uninitialized value' warnings
You're probably trying to index into a non-existant hash key - try
Data::Dumper.
=head2 I'm getting a 'Not an ARRAY reference' error
Something that you expect to be an array is not. The two most likely causes
are that you forgot to use 'forcearray' or that the array got folded into a
hash - try Data::Dumper.
=head2 I'm getting a 'No such array field' error
Something that you expect to be a hash is actually an array. Perhaps array
folding failed because one element was missing the key attribute - try
Data::Dumper.
=head2 I'm getting an 'Out of memory' error
Something in the data structure is not as you expect and Perl may be trying
unsuccessfully to autovivify things - try Data::Dumper.
If you're already using Data::Dumper, try calling Dumper() immediately after
XMLin() - ie: before you attempt to access anything in the data structure.
=head2 My element order is getting jumbled up
If you read an XML file with XMLin() and then write it back out with
XMLout(), the order of the elements will likely be different. (However, if
you read the file back in with XMLin() you'll get the same Perl data
structure).
The reordering happens because XML::Simple uses hashrefs to store your data
and Perl hashes do not really have any order.
It is possible that a future version of XML::Simple will use Tie::IxHash
to store the data in hashrefs which do retain the order. However this will
not fix all cases of element order being lost.
If your application really is sensitive to element order, don't use
XML::Simple (and don't put order-sensitive values in attributes).
=head2 XML::Simple turns nested elements into attributes
If you read an XML file with XMLin() and then write it back out with
XMLout(), some data which was originally stored in nested elements may end up
in attributes. (However, if you read the file back in with XMLin() you'll
get the same Perl data structure).
There are a number of ways you might handle this:
=over 4
=item *
use the 'forcearray' option with XMLin()
=item *
use the 'noattr' option with XMLout()
=item *
live with it
=item *
don't use XML::Simple
=back
=head2 Why does XMLout() insert E<lt>nameE<gt> elements (or attributes)?
Try setting keyattr => [].
When you call XMLin() to read XML, the 'keyattr' option controls whether arrays
get 'folded' into hashes. Similarly, when you call XMLout(), the 'keyattr'
option controls whether hashes get 'unfolded' into arrays. As described above,
'keyattr' is enabled by default.
=head2 Why are empty elements represented as empty hashes?
An element is always represented as a hash unless it contains only text, in
which case it is represented as a scalar string.
If you would prefer empty elements to be represented as empty strings or the
undefined value, set the 'suppressempty' option to '' or undef respectively.
=head2 Why is ParserOpts deprecated?
The C<ParserOpts> option is a remnant of the time when XML::Simple only worked
with the XML::Parser API. Its value is completely ignored if you're using a
SAX parser, so writing code which relied on it would bar you from taking
advantage of SAX.
Even if you are using XML::Parser, it is seldom necessary to pass options to
the parser object. A number of people have written to say they use this option
to set XML::Parser's C<ProtocolEncoding> option. Don't do that, it's wrong,
Wrong, WRONG! Fix the XML document so that it's well-formed and you won't have
a problem.
Having said all of that, as long as XML::Simple continues to support the
XML::Parser API, this option will not be removed. There are currently no plans
to remove support for the XML::Parser API.
=cut
PK �fl\(�*�A �A perl5/5.32/alienfile.pmnu ��6�$ package alienfile;
use strict;
use warnings;
use 5.008004;
use Alien::Build;
use Exporter ();
use Path::Tiny ();
use Carp ();
sub _path { Path::Tiny::path(@_) }
# ABSTRACT: Specification for defining an external dependency for CPAN
our $VERSION = '2.84'; # VERSION
our @EXPORT = qw( requires on plugin probe configure share sys download fetch decode prefer extract patch patch_ffi build build_ffi gather gather_ffi meta_prop ffi log test start_url before after digest );
sub requires
{
my($module, $version) = @_;
$version ||= 0;
my $caller = caller;
my $meta = $caller->meta;
$meta->add_requires($meta->{phase}, $module, $version);
();
}
sub plugin
{
my($name, @args) = @_;
my $caller = caller;
$caller->meta->apply_plugin($name, @args);
return;
}
sub probe
{
my($instr) = @_;
my $caller = caller;
if(my $phase = $caller->meta->{phase})
{
Carp::croak "probe must not be in a $phase block" if $phase ne 'any';
}
$caller->meta->register_hook(probe => $instr);
return;
}
sub _phase
{
my($code, $phase) = @_;
my $caller = caller(1);
my $meta = $caller->meta;
local $meta->{phase} = $phase;
$code->();
return;
}
sub configure (&)
{
_phase($_[0], 'configure');
}
sub sys (&)
{
_phase($_[0], 'system');
}
sub share (&)
{
_phase($_[0], 'share');
}
sub _in_phase
{
my($phase) = @_;
my $caller = caller(1);
my(undef, undef, undef, $sub) = caller(1);
my $meta = $caller->meta;
$sub =~ s/^.*:://;
Carp::croak "$sub must be in a $phase block"
unless $meta->{phase} eq $phase;
}
sub start_url
{
my($url) = @_;
_in_phase 'share';
my $caller = caller;
my $meta = $caller->meta;
$meta->prop->{start_url} = $url;
$meta->add_requires('configure' => 'Alien::Build' => '1.19');
return;
}
sub digest
{
my($algo, $digest) = @_;
my $caller = caller;
$caller->meta->apply_plugin('Digest', [$algo, $digest]);
return;
}
sub download
{
my($instr) = @_;
_in_phase 'share';
my $caller = caller;
$caller->meta->register_hook(download => $instr);
return;
}
sub fetch
{
my($instr) = @_;
_in_phase 'share';
my $caller = caller;
$caller->meta->register_hook(fetch => $instr);
return;
}
sub decode
{
my($instr) = @_;
_in_phase 'share';
my $caller = caller;
$caller->meta->register_hook(decode => $instr);
return;
}
sub prefer
{
my($instr) = @_;
_in_phase 'share';
my $caller = caller;
$caller->meta->register_hook(prefer => $instr);
return;
}
sub extract
{
my($instr) = @_;
_in_phase 'share';
my $caller = caller;
$caller->meta->register_hook(extract => $instr);
return;
}
sub patch
{
my($instr) = @_;
_in_phase 'share';
my $caller = caller;
my $suffix = $caller->meta->{build_suffix};
$caller->meta->register_hook("patch$suffix" => $instr);
return;
}
sub patch_ffi
{
my($instr) = @_;
Carp::carp("patch_ffi is deprecated, use ffi { patch ... } } instead");
_in_phase 'share';
my $caller = caller;
$caller->meta->register_hook(patch_ffi => $instr);
return;
}
sub build
{
my($instr) = @_;
_in_phase 'share';
my $caller = caller;
my $suffix = $caller->meta->{build_suffix};
$caller->meta->register_hook("build$suffix" => $instr);
return;
}
sub build_ffi
{
my($instr) = @_;
Carp::carp("build_ffi is deprecated, use ffi { build ... } } instead");
_in_phase 'share';
my $caller = caller;
$caller->meta->register_hook(build_ffi => $instr);
return;
}
sub gather
{
my($instr) = @_;
my $caller = caller;
my $meta = $caller->meta;
my $phase = $meta->{phase};
Carp::croak "gather is not allowed in configure block"
if $phase eq 'configure';
my $suffix = $caller->meta->{build_suffix};
if($suffix eq '_ffi')
{
$meta->register_hook(gather_ffi => $instr)
}
else
{
$meta->register_hook(gather_system => $instr) if $phase =~ /^(any|system)$/;
$meta->register_hook(gather_share => $instr) if $phase =~ /^(any|share)$/;
}
return;
}
sub gather_ffi
{
my($instr) = @_;
Carp::carp("gather_ffi is deprecated, use ffi { gather ... } } instead");
_in_phase 'share';
my $caller = caller;
$caller->meta->register_hook(gather_ffi => $instr);
return;
}
sub ffi (&)
{
my($code) = @_;
_in_phase 'share';
my $caller = caller;
local $caller->meta->{build_suffix} = '_ffi';
$code->();
return;
}
sub meta_prop
{
my $caller = caller;
my $meta = $caller->meta;
$meta->prop;
}
sub log
{
unshift @_, 'Alien::Build';
goto &Alien::Build::log;
}
sub test
{
my($instr) = @_;
my $caller = caller;
my $meta = $caller->meta;
my $phase = $meta->{phase};
Carp::croak "test is not allowed in $phase block"
if $phase eq 'any' || $phase eq 'configure';
$meta->add_requires('configure' => 'Alien::Build' => '1.14');
if($phase eq 'share')
{
my $suffix = $caller->meta->{build_suffix} || '_share';
$meta->register_hook(
"test$suffix" => $instr,
);
}
elsif($phase eq 'system')
{
$meta->register_hook(
"test_system" => $instr,
);
}
else
{
die "unknown phase: $phase";
}
}
my %modifiers = (
probe => { any => 'probe' },
download => { share => 'download' },
fetch => { share => 'fetch' },
decode => { share => 'fetch' },
prefer => { share => 'prefer' },
extract => { share => 'extract' },
patch => { share => 'patch$' },
build => { share => 'build$' },
test => { share => 'test$' },
# Note: below special case gather_ffi for the ffi block :P
gather => { share => 'gather_share', system => 'gather_system', any => 'gather_share,gather_system' },
);
sub _add_modifier
{
my($type, $stage, $sub) = @_;
my $method = "${type}_hook";
Carp::croak "No such stage $stage" unless defined $modifiers{$stage};
Carp::croak "$type $stage argument must be a code reference" unless defined $sub && ref($sub) eq 'CODE';
my $caller = caller;
my $meta = $caller->meta;
Carp::croak "$type $stage is not allowed in sys block" unless defined $modifiers{$stage}->{$meta->{phase}};
$meta->add_requires('configure' => 'Alien::Build' => '1.40');
my $suffix = $meta->{build_suffix};
if($suffix eq '_ffi' && $stage eq 'gather')
{
$meta->$method('gather_ffi' => $sub);
}
foreach my $hook (
map { split /,/, $_ } # split on , for when multiple hooks must be attached (gather in any)
map { my $x = $_ ; $x =~ s/\$/$suffix/; $x } # substitute $ at the end for a suffix (_ffi) if any
$modifiers{$stage}->{$meta->{phase}}) # get the list of modifiers
{
$meta->$method($hook => $sub);
}
return;
}
sub before
{
my($stage, $sub) = @_;
@_ = ('before', @_);
goto &alienfile::_add_modifier;
}
sub after
{
my($stage, $sub) = @_;
@_ = ('after', @_);
goto &alienfile::_add_modifier;
}
sub import
{
strict->import;
warnings->import;
goto &Exporter::import;
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
alienfile - Specification for defining an external dependency for CPAN
=head1 VERSION
version 2.84
=head1 SYNOPSIS
Do-it-yourself approach:
use alienfile;
probe [ 'pkg-config --exists libarchive' ];
share {
start_url 'http://libarchive.org/downloads/libarchive-3.2.2.tar.gz';
# the first one which succeeds will be used
download [ 'wget %{.meta.start_url}' ];
download [ 'curl -o %{.meta.start_url}' ];
extract [ 'tar xf %{.install.download}' ];
build [
# Note: will not work on Windows, better to use Build::Autoconf plugin
# if you need windows support
'./configure --prefix=%{.install.prefix} --disable-shared',
'%{make}',
'%{make} install',
];
}
gather [
[ 'pkg-config', '--modversion', 'libarchive', \'%{.runtime.version}' ],
[ 'pkg-config', '--cflags', 'libarchive', \'%{.runtime.cflags}' ],
[ 'pkg-config', '--libs', 'libarchive', \'%{.runtime.libs}' ],
];
With plugins (better):
use alienfile;
plugin 'PkgConfig' => 'libarchive';
share {
start_url 'http://libarchive.org/downloads/';
plugin Download => (
filter => qr/^libarchive-.*\.tar\.gz$/,
version => qr/([0-9\.]+)/,
);
plugin Extract => 'tar.gz';
plugin 'Build::Autoconf';
plugin 'Gather::IsolateDynamic';
build [
'%{configure}',
'%{make}',
'%{make} install',
];
};
=head1 DESCRIPTION
An alienfile is a recipe used by L<Alien::Build> to, probe for system libraries or download from the internet, and build source
for those libraries. This document acts as reference for the alienfile system, but if you are starting out writing your own Alien
you should read L<Alien::Build::Manual::AlienAuthor>, which will teach you how to write your own complete Alien using alienfile +
L<Alien::Build> + L<ExtUtils::MakeMaker>. Special attention should be taken to the section "a note about dynamic vs. static
libraries".
=head1 DIRECTIVES
=head2 requires
"any" requirement (either share or system):
requires $module;
requires $module => $version;
configure time requirement:
configure {
requires $module;
requires $module => $version;
};
system requirement:
sys {
requires $module;
requires $module => $version;
};
share requirement:
share {
requires $module;
requires $module => $version;
};
specifies a requirement. L<Alien::Build> takes advantage of dynamic requirements, so only
modules that are needed for the specific type of install need to be loaded. Here are the
different types of requirements:
=over
=item configure
Configure requirements should already be installed before the alienfile is loaded.
=item any
"Any" requirements are those that are needed either for the probe stage, or in either the
system or share installs.
=item share
Share requirements are those modules needed when downloading and building from source.
=item system
System requirements are those modules needed when the system provides the library or tool.
=back
=head2 plugin
plugin $name => (%args);
plugin $name => $arg;
Load the given plugin. If you prefix the plugin name with an C<=> sign,
then it will be assumed to be a fully qualified path name. Otherwise the
plugin will be assumed to live in the C<Alien::Build::Plugin> namespace.
If there is an appropriate negotiate plugin, that one will be loaded.
Examples:
# Loads Alien::Build::Plugin::Fetch::Negotiate
# which will pick the best Alien::Build::Plugin::Fetch
# plugin based on the URL, and system configuration
plugin 'Fetch' => 'http://ftp.gnu.org/gnu/gcc';
# loads the plugin with the badly named class!
plugin '=Badly::Named::Plugin::Not::In::Alien::Build::Namespace';
# explicitly loads Alien::Build::Plugin::Prefer::SortVersions
plugin 'Prefer::SortVersions' => (
filter => qr/^gcc-.*\.tar\.gz$/,
version => qr/([0-9\.]+)/,
);
=head2 probe
probe \&code;
probe \@commandlist;
Instructions for the probe stage. May be either a code reference, or a command list.
Multiple probes and probe plugins can be given. These will be used in sequence,
stopping at the first that detects a system installation. L<Alien::Build> will use
a share install if no system installation is detected by the probes.
=head2 configure
configure {
...
};
Configure block. The only directive allowed in a configure block is
requires.
=head2 sys
sys {
...
};
System block. Allowed directives are: requires and gather.
=head2 share
share {
...
};
System block. Allowed directives are: download, fetch, decode, prefer, extract, build, gather.
=head2 start_url
share {
start_url $url;
};
Set the start URL for download. This should be the URL to an index page, or the actual tarball of the source.
=head2 digest
[experimental]
share {
digest $algorithm, $digest;
};
Check fetched and downloaded files against the given algorithm and
digest. Typically you will want to use SHA256 as the algorithm.
=head2 download
share {
download \&code;
download \@commandlist;
};
Instructions for the download stage. May be either a
code reference, or a command list.
=head2 fetch
share {
fetch \&code;
fetch \@commandlist;
};
Instructions for the fetch stage. May be either a
code reference, or a command list.
=head2 decode
share {
decode \&code;
decode \@commandlist;
};
Instructions for the decode stage. May be either a
code reference, or a command list.
=head2 prefer
share {
prefer \&code;
prefer \@commandlist;
};
Instructions for the prefer stage. May be either a
code reference, or a command list.
=head2 extract
share {
extract \&code;
extract \@commandlist;
};
Instructions for the extract stage. May be either a
code reference, or a command list.
=head2 patch
share {
patch \&code;
patch \@commandlist;
};
Instructions for the patch stage. May be either a
code reference, or a command list.
=head2 patch_ffi
share {
patch_ffi \&code;
patch_ffi \@commandlist;
};
[DEPRECATED]
Instructions for the patch_ffi stage. May be either a
code reference, or a command list.
=head2 build
share {
build \&code;
build \@commandlist;
};
Instructions for the build stage. May be either a
code reference, or a command list.
=head2 build_ffi
share {
build \&code;
build \@commandlist;
};
[DEPRECATED]
Instructions for the build FFI stage. Builds shared libraries instead of static.
This is optional, and is only necessary if a fresh and separate build needs to be
done for FFI.
=head2 gather
gather \&code;
gather \@commandlist;
share {
gather \&code;
gather \@commandlist;
};
sys {
gather \&code;
gather \@commandlist;
};
Instructions for the gather stage. May be either a code reference, or a command list.
In the root block of the alienfile it will trigger in both share and system build.
In the share or sys block it will only trigger in the corresponding build.
=head2 gather_ffi
share {
gather_ffi \&code;
gather_ffi \@commandlist;
}
[DEPRECATED]
Gather specific to C<build_ffi>. Not usually necessary.
=head2 ffi
share {
ffi {
patch \&code;
patch \@commandlist;
build \&code;
build \@commandlist;
gather \&code;
gather \@commandlist;
}
}
Specify patch, build or gather stages related to FFI.
=head2 meta_prop
my $hash = meta_prop;
Get the meta_prop hash reference.
=head2 meta
my $meta = meta;
Returns the meta object for your L<alienfile>. For methods that can be used on the
meta object, see L<Alien::Build/"META METHODS">.
=head2 log
log($message);
Prints the given log to stdout.
=head2 test
share {
test \&code;
test \@commandlist;
};
sys {
test \&code;
test \@commandlist;
};
Run the tests
=head2 before
before $stage => \&code;
Execute the given code before the given stage. Stage should be one of
C<probe>, C<download>, C<fetch>, C<decode>, C<prefer>, C<extract>,
C<patch>, C<build>, C<test>, and C<gather>.
The before directive is only legal in the same blocks as the stage would
normally be legal in. For example, you can't do this:
use alienfile;
sys {
before 'build' => sub {
...
};
};
Because a C<build> wouldn't be legal inside a C<sys> block.
=head2 after
after $stage => \&code;
Execute the given code after the given stage. Stage should be one of
C<probe>, C<download>, C<fetch>, C<decode>, C<prefer>, C<extract>,
C<patch>, C<build>, C<test>, and C<gather>.
The after directive is only legal in the same blocks as the stage would
normally be legal in. For example, you can't do this:
use alienfile;
sys {
after 'build' => sub {
...
};
};
Because a C<build> wouldn't be legal inside a C<sys> block.
=head1 SEE ALSO
=over 4
=item L<Alien>
=item L<Alien::Build>
=item L<Alien::Build::MM>
=item L<Alien::Base>
=back
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Diab Jerius (DJERIUS)
Roy Storey (KIWIROY)
Ilya Pavlov
David Mertens (run4flat)
Mark Nunberg (mordy, mnunberg)
Christian Walde (Mithaldu)
Brian Wightman (MidLifeXis)
Zaki Mughal (zmughal)
mohawk (mohawk2, ETJ)
Vikas N Kumar (vikasnkumar)
Flavio Poletti (polettix)
Salvador Fandiño (salva)
Gianni Ceccarelli (dakkar)
Pavel Shaydo (zwon, trinitum)
Kang-min Liu (劉康民, gugod)
Nicholas Shipp (nshp)
Juan Julián Merelo Guervós (JJ)
Joel Berger (JBERGER)
Petr Písař (ppisar)
Lance Wicks (LANCEW)
Ahmad Fatoum (a3f, ATHREEF)
José Joaquín Atria (JJATRIA)
Duke Leto (LETO)
Shoichi Kaji (SKAJI)
Shawn Laffan (SLAFFAN)
Paul Evans (leonerd, PEVANS)
Håkon Hægland (hakonhagland, HAKONH)
nick nauwelaerts (INPHOBIA)
Florian Weimer
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK �fl\B0 �� � perl5/5.32/Path/Tiny.pmnu ��6�$ use 5.008001;
use strict;
use warnings;
package Path::Tiny;
# ABSTRACT: File path utility
our $VERSION = '0.146';
# Dependencies
use Config;
use Exporter 5.57 (qw/import/);
use File::Spec 0.86 (); # shipped with 5.8.1
use Carp ();
our @EXPORT = qw/path/;
our @EXPORT_OK = qw/cwd rootdir tempfile tempdir/;
use constant {
PATH => 0,
CANON => 1,
VOL => 2,
DIR => 3,
FILE => 4,
TEMP => 5,
IS_WIN32 => ( $^O eq 'MSWin32' ),
};
use overload (
q{""} => 'stringify',
bool => sub () { 1 },
fallback => 1,
);
# FREEZE/THAW per Sereal/CBOR/Types::Serialiser protocol
sub THAW { return path( $_[2] ) }
{ no warnings 'once'; *TO_JSON = *FREEZE = \&stringify };
my $HAS_UU; # has Unicode::UTF8; lazily populated
sub _check_UU {
local $SIG{__DIE__}; # prevent outer handler from being called
!!eval {
require Unicode::UTF8;
Unicode::UTF8->VERSION(0.58);
1;
};
}
my $HAS_PU; # has PerlIO::utf8_strict; lazily populated
sub _check_PU {
local $SIG{__DIE__}; # prevent outer handler from being called
!!eval {
# MUST preload Encode or $SIG{__DIE__} localization fails
# on some Perl 5.8.8 (maybe other 5.8.*) compiled with -O2.
require Encode;
require PerlIO::utf8_strict;
PerlIO::utf8_strict->VERSION(0.003);
1;
};
}
my $HAS_FLOCK = $Config{d_flock} || $Config{d_fcntl_can_lock} || $Config{d_lockf};
# notions of "root" directories differ on Win32: \\server\dir\ or C:\ or \
my $SLASH = qr{[\\/]};
my $NOTSLASH = qr{[^\\/]};
my $DRV_VOL = qr{[a-z]:}i;
my $UNC_VOL = qr{$SLASH $SLASH $NOTSLASH+ $SLASH $NOTSLASH+}x;
my $WIN32_ROOT = qr{(?: $UNC_VOL $SLASH | $DRV_VOL $SLASH | $SLASH )}x;
sub _win32_vol {
my ( $path, $drv ) = @_;
require Cwd;
my $dcwd = eval { Cwd::getdcwd($drv) }; # C: -> C:\some\cwd
# getdcwd on non-existent drive returns empty string
# so just use the original drive Z: -> Z:
$dcwd = "$drv" unless defined $dcwd && length $dcwd;
# normalize dwcd to end with a slash: might be C:\some\cwd or D:\ or Z:
$dcwd =~ s{$SLASH?\z}{/};
# make the path absolute with dcwd
$path =~ s{^$DRV_VOL}{$dcwd};
return $path;
}
# This is a string test for before we have the object; see is_rootdir for well-formed
# object test
sub _is_root {
return IS_WIN32() ? ( $_[0] =~ /^$WIN32_ROOT\z/ ) : ( $_[0] eq '/' );
}
BEGIN {
*_same = IS_WIN32() ? sub { lc( $_[0] ) eq lc( $_[1] ) } : sub { $_[0] eq $_[1] };
}
# mode bits encoded for chmod in symbolic mode
my %MODEBITS = ( om => 0007, gm => 0070, um => 0700 ); ## no critic
{ my $m = 0; $MODEBITS{$_} = ( 1 << $m++ ) for qw/ox ow or gx gw gr ux uw ur/ };
sub _symbolic_chmod {
my ( $mode, $symbolic ) = @_;
for my $clause ( split /,\s*/, $symbolic ) {
if ( $clause =~ m{\A([augo]+)([=+-])([rwx]+)\z} ) {
my ( $who, $action, $perms ) = ( $1, $2, $3 );
$who =~ s/a/ugo/g;
for my $w ( split //, $who ) {
my $p = 0;
$p |= $MODEBITS{"$w$_"} for split //, $perms;
if ( $action eq '=' ) {
$mode = ( $mode & ~$MODEBITS{"${w}m"} ) | $p;
}
else {
$mode = $action eq "+" ? ( $mode | $p ) : ( $mode & ~$p );
}
}
}
else {
Carp::croak("Invalid mode clause '$clause' for chmod()");
}
}
return $mode;
}
# flock doesn't work on NFS on BSD or on some filesystems like lustre.
# Since program authors often can't control or detect that, we warn once
# instead of being fatal if we can detect it and people who need it strict
# can fatalize the 'flock' category
#<<< No perltidy
{ package flock; use warnings::register }
#>>>
my $WARNED_NO_FLOCK = 0;
sub _throw {
my ( $self, $function, $file, $msg ) = @_;
if ( $function =~ /^flock/
&& $! =~ /operation not supported|function not implemented/i
&& !warnings::fatal_enabled('flock') )
{
if ( !$WARNED_NO_FLOCK ) {
warnings::warn( flock => "Flock not available: '$!': continuing in unsafe mode" );
$WARNED_NO_FLOCK++;
}
}
else {
$msg = $! unless defined $msg;
Path::Tiny::Error->throw( $function, ( defined $file ? $file : $self->[PATH] ),
$msg );
}
return;
}
# cheapo option validation
sub _get_args {
my ( $raw, @valid ) = @_;
if ( defined($raw) && ref($raw) ne 'HASH' ) {
my ( undef, undef, undef, $called_as ) = caller(1);
$called_as =~ s{^.*::}{};
Carp::croak("Options for $called_as must be a hash reference");
}
my $cooked = {};
for my $k (@valid) {
$cooked->{$k} = delete $raw->{$k} if exists $raw->{$k};
}
if ( keys %$raw ) {
my ( undef, undef, undef, $called_as ) = caller(1);
$called_as =~ s{^.*::}{};
Carp::croak( "Invalid option(s) for $called_as: " . join( ", ", keys %$raw ) );
}
return $cooked;
}
#--------------------------------------------------------------------------#
# Constructors
#--------------------------------------------------------------------------#
#pod =construct path
#pod
#pod $path = path("foo/bar");
#pod $path = path("/tmp", "file.txt"); # list
#pod $path = path("."); # cwd
#pod
#pod Constructs a C<Path::Tiny> object. It doesn't matter if you give a file or
#pod directory path. It's still up to you to call directory-like methods only on
#pod directories and file-like methods only on files. This function is exported
#pod automatically by default.
#pod
#pod The first argument must be defined and have non-zero length or an exception
#pod will be thrown. This prevents subtle, dangerous errors with code like
#pod C<< path( maybe_undef() )->remove_tree >>.
#pod
#pod B<DEPRECATED>: If and only if the B<first> character of the B<first> argument
#pod to C<path> is a tilde ('~'), then tilde replacement will be applied to the
#pod first path segment. A single tilde will be replaced with C<glob('~')> and a
#pod tilde followed by a username will be replaced with output of
#pod C<glob('~username')>. B<No other method does tilde expansion on its arguments>.
#pod See L</Tilde expansion (deprecated)> for more.
#pod
#pod On Windows, if the path consists of a drive identifier without a path component
#pod (C<C:> or C<D:>), it will be expanded to the absolute path of the current
#pod directory on that volume using C<Cwd::getdcwd()>.
#pod
#pod If called with a single C<Path::Tiny> argument, the original is returned unless
#pod the original is holding a temporary file or directory reference in which case a
#pod stringified copy is made.
#pod
#pod $path = path("foo/bar");
#pod $temp = Path::Tiny->tempfile;
#pod
#pod $p2 = path($path); # like $p2 = $path
#pod $t2 = path($temp); # like $t2 = path( "$temp" )
#pod
#pod This optimizes copies without proliferating references unexpectedly if a copy is
#pod made by code outside your control.
#pod
#pod Current API available since 0.017.
#pod
#pod =cut
sub path {
my $path = shift;
Carp::croak("Path::Tiny paths require defined, positive-length parts")
unless 1 + @_ == grep { defined && length } $path, @_;
# non-temp Path::Tiny objects are effectively immutable and can be reused
if ( !@_ && ref($path) eq __PACKAGE__ && !$path->[TEMP] ) {
return $path;
}
# stringify objects
$path = "$path";
# do any tilde expansions
my ($tilde) = $path =~ m{^(~[^/]*)};
if ( defined $tilde ) {
# Escape File::Glob metacharacters
(my $escaped = $tilde) =~ s/([\[\{\*\?\\])/\\$1/g;
require File::Glob;
my ($homedir) = File::Glob::bsd_glob($escaped);
if (defined $homedir && ! $File::Glob::ERROR) {
$homedir =~ tr[\\][/] if IS_WIN32();
$path =~ s{^\Q$tilde\E}{$homedir};
}
}
unshift @_, $path;
goto &_pathify;
}
# _path is like path but without tilde expansion
sub _path {
my $path = shift;
Carp::croak("Path::Tiny paths require defined, positive-length parts")
unless 1 + @_ == grep { defined && length } $path, @_;
# non-temp Path::Tiny objects are effectively immutable and can be reused
if ( !@_ && ref($path) eq __PACKAGE__ && !$path->[TEMP] ) {
return $path;
}
# stringify objects
$path = "$path";
unshift @_, $path;
goto &_pathify;
}
# _pathify expects one or more string arguments, then joins and canonicalizes
# them into an object.
sub _pathify {
my $path = shift;
# expand relative volume paths on windows; put trailing slash on UNC root
if ( IS_WIN32() ) {
$path = _win32_vol( $path, $1 ) if $path =~ m{^($DRV_VOL)(?:$NOTSLASH|\z)};
$path .= "/" if $path =~ m{^$UNC_VOL\z};
}
# concatenations stringifies objects, too
if (@_) {
$path .= ( _is_root($path) ? "" : "/" ) . join( "/", @_ );
}
# canonicalize, but with unix slashes and put back trailing volume slash
my $cpath = $path = File::Spec->canonpath($path);
$path =~ tr[\\][/] if IS_WIN32();
$path = "/" if $path eq '/..'; # for old File::Spec
$path .= "/" if IS_WIN32() && $path =~ m{^$UNC_VOL\z};
# root paths must always have a trailing slash, but other paths must not
if ( _is_root($path) ) {
$path =~ s{/?\z}{/};
}
else {
$path =~ s{/\z}{};
}
bless [ $path, $cpath ], __PACKAGE__;
}
#pod =construct new
#pod
#pod $path = Path::Tiny->new("foo/bar");
#pod
#pod This is just like C<path>, but with method call overhead. (Why would you
#pod do that?)
#pod
#pod Current API available since 0.001.
#pod
#pod =cut
sub new { shift; path(@_) }
#pod =construct cwd
#pod
#pod $path = Path::Tiny->cwd; # path( Cwd::getcwd )
#pod $path = cwd; # optional export
#pod
#pod Gives you the absolute path to the current directory as a C<Path::Tiny> object.
#pod This is slightly faster than C<< path(".")->absolute >>.
#pod
#pod C<cwd> may be exported on request and used as a function instead of as a
#pod method.
#pod
#pod Current API available since 0.018.
#pod
#pod =cut
sub cwd {
require Cwd;
return _path( Cwd::getcwd() );
}
#pod =construct rootdir
#pod
#pod $path = Path::Tiny->rootdir; # /
#pod $path = rootdir; # optional export
#pod
#pod Gives you C<< File::Spec->rootdir >> as a C<Path::Tiny> object if you're too
#pod picky for C<path("/")>.
#pod
#pod C<rootdir> may be exported on request and used as a function instead of as a
#pod method.
#pod
#pod Current API available since 0.018.
#pod
#pod =cut
sub rootdir { _path( File::Spec->rootdir ) }
#pod =construct tempfile, tempdir
#pod
#pod $temp = Path::Tiny->tempfile( @options );
#pod $temp = Path::Tiny->tempdir( @options );
#pod $temp = $dirpath->tempfile( @options );
#pod $temp = $dirpath->tempdir( @options );
#pod $temp = tempfile( @options ); # optional export
#pod $temp = tempdir( @options ); # optional export
#pod
#pod C<tempfile> passes the options to C<< File::Temp->new >> and returns a
#pod C<Path::Tiny> object with the file name. The C<TMPDIR> option will be enabled
#pod by default, but you can override that by passing C<< TMPDIR => 0 >> along with
#pod the options. (If you use an absolute C<TEMPLATE> option, you will want to
#pod disable C<TMPDIR>.)
#pod
#pod The resulting C<File::Temp> object is cached. When the C<Path::Tiny> object is
#pod destroyed, the C<File::Temp> object will be as well.
#pod
#pod C<File::Temp> annoyingly requires you to specify a custom template in slightly
#pod different ways depending on which function or method you call, but
#pod C<Path::Tiny> lets you ignore that and can take either a leading template or a
#pod C<TEMPLATE> option and does the right thing.
#pod
#pod $temp = Path::Tiny->tempfile( "customXXXXXXXX" ); # ok
#pod $temp = Path::Tiny->tempfile( TEMPLATE => "customXXXXXXXX" ); # ok
#pod
#pod The tempfile path object will be normalized to have an absolute path, even if
#pod created in a relative directory using C<DIR>. If you want it to have
#pod the C<realpath> instead, pass a leading options hash like this:
#pod
#pod $real_temp = tempfile({realpath => 1}, @options);
#pod
#pod C<tempdir> is just like C<tempfile>, except it calls
#pod C<< File::Temp->newdir >> instead.
#pod
#pod Both C<tempfile> and C<tempdir> may be exported on request and used as
#pod functions instead of as methods.
#pod
#pod The methods can be called on an instances representing a
#pod directory. In this case, the directory is used as the base to create the
#pod temporary file/directory, setting the C<DIR> option in File::Temp.
#pod
#pod my $target_dir = path('/to/destination');
#pod my $tempfile = $target_dir->tempfile('foobarXXXXXX');
#pod $tempfile->spew('A lot of data...'); # not atomic
#pod $tempfile->move($target_dir->child('foobar')); # hopefully atomic
#pod
#pod In this case, any value set for option C<DIR> is ignored.
#pod
#pod B<Note>: for tempfiles, the filehandles from File::Temp are closed and not
#pod reused. This is not as secure as using File::Temp handles directly, but is
#pod less prone to deadlocks or access problems on some platforms. Think of what
#pod C<Path::Tiny> gives you to be just a temporary file B<name> that gets cleaned
#pod up.
#pod
#pod B<Note 2>: if you don't want these cleaned up automatically when the object
#pod is destroyed, File::Temp requires different options for directories and
#pod files. Use C<< CLEANUP => 0 >> for directories and C<< UNLINK => 0 >> for
#pod files.
#pod
#pod B<Note 3>: Don't lose the temporary object by chaining a method call instead
#pod of storing it:
#pod
#pod my $lost = tempdir()->child("foo"); # tempdir cleaned up right away
#pod
#pod B<Note 4>: The cached object may be accessed with the L</cached_temp> method.
#pod Keeping a reference to, or modifying the cached object may break the
#pod behavior documented above and is not supported. Use at your own risk.
#pod
#pod Current API available since 0.119.
#pod
#pod =cut
sub tempfile {
my ( $opts, $maybe_template, $args )
= _parse_file_temp_args(tempfile => @_);
# File::Temp->new demands TEMPLATE
$args->{TEMPLATE} = $maybe_template->[0] if @$maybe_template;
require File::Temp;
my $temp = File::Temp->new( TMPDIR => 1, %$args );
close $temp;
my $self = $opts->{realpath} ? _path($temp)->realpath : _path($temp)->absolute;
$self->[TEMP] = $temp; # keep object alive while we are
return $self;
}
sub tempdir {
my ( $opts, $maybe_template, $args )
= _parse_file_temp_args(tempdir => @_);
require File::Temp;
my $temp = File::Temp->newdir( @$maybe_template, TMPDIR => 1, %$args );
my $self = $opts->{realpath} ? _path($temp)->realpath : _path($temp)->absolute;
$self->[TEMP] = $temp; # keep object alive while we are
# Some ActiveState Perls for Windows break Cwd in ways that lead
# File::Temp to get confused about what path to remove; this
# monkey-patches the object with our own view of the absolute path
$temp->{REALNAME} = $self->[CANON] if IS_WIN32;
return $self;
}
# normalize the various ways File::Temp does templates
sub _parse_file_temp_args {
my $called_as = shift;
if ( @_ && $_[0] eq 'Path::Tiny' ) { shift } # class method
elsif ( @_ && eval{$_[0]->isa('Path::Tiny')} ) {
my $dir = shift;
if (! $dir->is_dir) {
$dir->_throw( $called_as, $dir, "is not a directory object" );
}
push @_, DIR => $dir->stringify; # no overriding
}
my $opts = ( @_ && ref $_[0] eq 'HASH' ) ? shift @_ : {};
$opts = _get_args( $opts, qw/realpath/ );
my $leading_template = ( scalar(@_) % 2 == 1 ? shift(@_) : '' );
my %args = @_;
%args = map { uc($_), $args{$_} } keys %args;
my @template = (
exists $args{TEMPLATE} ? delete $args{TEMPLATE}
: $leading_template ? $leading_template
: ()
);
return ( $opts, \@template, \%args );
}
#--------------------------------------------------------------------------#
# Private methods
#--------------------------------------------------------------------------#
sub _splitpath {
my ($self) = @_;
@{$self}[ VOL, DIR, FILE ] = File::Spec->splitpath( $self->[PATH] );
}
sub _resolve_symlinks {
my ($self) = @_;
my $new = $self;
my ( $count, %seen ) = 0;
while ( -l $new->[PATH] ) {
if ( $seen{ $new->[PATH] }++ ) {
$self->_throw( 'readlink', $self->[PATH], "symlink loop detected" );
}
if ( ++$count > 100 ) {
$self->_throw( 'readlink', $self->[PATH], "maximum symlink depth exceeded" );
}
my $resolved = readlink $new->[PATH];
$new->_throw( 'readlink', $new->[PATH] ) unless defined $resolved;
$resolved = _path($resolved);
$new = $resolved->is_absolute ? $resolved : $new->sibling($resolved);
}
return $new;
}
sub _replacment_path {
my ($self) = @_;
my $unique_suffix = $$ . int( rand( 2**31 ) );
my $temp = _path( $self . $unique_suffix );
# If filename with process+random suffix is too long, use a shorter
# version that doesn't preserve the basename.
if ( length $temp->basename > 255 ) {
$temp = $self->sibling( "temp" . $unique_suffix );
}
return $temp;
}
#--------------------------------------------------------------------------#
# Public methods
#--------------------------------------------------------------------------#
#pod =method absolute
#pod
#pod $abs = path("foo/bar")->absolute;
#pod $abs = path("foo/bar")->absolute("/tmp");
#pod
#pod Returns a new C<Path::Tiny> object with an absolute path (or itself if already
#pod absolute). If no argument is given, the current directory is used as the
#pod absolute base path. If an argument is given, it will be converted to an
#pod absolute path (if it is not already) and used as the absolute base path.
#pod
#pod This will not resolve upward directories ("foo/../bar") unless C<canonpath>
#pod in L<File::Spec> would normally do so on your platform. If you need them
#pod resolved, you must call the more expensive C<realpath> method instead.
#pod
#pod On Windows, an absolute path without a volume component will have it added
#pod based on the current drive.
#pod
#pod Current API available since 0.101.
#pod
#pod =cut
sub absolute {
my ( $self, $base ) = @_;
# absolute paths handled differently by OS
if (IS_WIN32) {
return $self if length $self->volume;
# add missing volume
if ( $self->is_absolute ) {
require Cwd;
# use Win32::GetCwd not Cwd::getdcwd because we're sure
# to have the former but not necessarily the latter
my ($drv) = Win32::GetCwd() =~ /^($DRV_VOL | $UNC_VOL)/x;
return _path( $drv . $self->[PATH] );
}
}
else {
return $self if $self->is_absolute;
}
# no base means use current directory as base
require Cwd;
return _path( Cwd::getcwd(), $_[0]->[PATH] ) unless defined $base;
# relative base should be made absolute; we check is_absolute rather
# than unconditionally make base absolute so that "/foo" doesn't become
# "C:/foo" on Windows.
$base = _path($base);
return _path( ( $base->is_absolute ? $base : $base->absolute ), $_[0]->[PATH] );
}
#pod =method append, append_raw, append_utf8
#pod
#pod path("foo.txt")->append(@data);
#pod path("foo.txt")->append(\@data);
#pod path("foo.txt")->append({binmode => ":raw"}, @data);
#pod path("foo.txt")->append_raw(@data);
#pod path("foo.txt")->append_utf8(@data);
#pod
#pod Appends data to a file. The file is locked with C<flock> prior to writing
#pod and closed afterwards. An optional hash reference may be used to pass
#pod options. Valid options are:
#pod
#pod =for :list
#pod * C<binmode>: passed to C<binmode()> on the handle used for writing.
#pod * C<truncate>: truncates the file after locking and before appending
#pod
#pod The C<truncate> option is a way to replace the contents of a file
#pod B<in place>, unlike L</spew> which writes to a temporary file and then
#pod replaces the original (if it exists).
#pod
#pod C<append_raw> is like C<append> with a C<binmode> of C<:unix> for a fast,
#pod unbuffered, raw write.
#pod
#pod C<append_utf8> is like C<append> with an unbuffered C<binmode>
#pod C<:unix:encoding(UTF-8)> (or C<:unix:utf8_strict> with
#pod L<PerlIO::utf8_strict>). If L<Unicode::UTF8> 0.58+ is installed, an
#pod unbuffered, raw append will be done instead on the data encoded with
#pod C<Unicode::UTF8>.
#pod
#pod Current API available since 0.060.
#pod
#pod =cut
sub append {
my ( $self, @data ) = @_;
my $args = ( @data && ref $data[0] eq 'HASH' ) ? shift @data : {};
$args = _get_args( $args, qw/binmode truncate/ );
my $binmode = $args->{binmode};
$binmode = ( ( caller(0) )[10] || {} )->{'open>'} unless defined $binmode;
my $mode = $args->{truncate} ? ">" : ">>";
my $fh = $self->filehandle( { locked => 1 }, $mode, $binmode );
print( {$fh} map { ref eq 'ARRAY' ? @$_ : $_ } @data ) or self->_throw('print');
close $fh or $self->_throw('close');
}
sub append_raw {
my ( $self, @data ) = @_;
my $args = ( @data && ref $data[0] eq 'HASH' ) ? shift @data : {};
$args = _get_args( $args, qw/binmode truncate/ );
$args->{binmode} = ':unix';
append( $self, $args, @data );
}
sub append_utf8 {
my ( $self, @data ) = @_;
my $args = ( @data && ref $data[0] eq 'HASH' ) ? shift @data : {};
$args = _get_args( $args, qw/binmode truncate/ );
if ( defined($HAS_UU) ? $HAS_UU : ( $HAS_UU = _check_UU() ) ) {
$args->{binmode} = ":unix";
append( $self, $args, map { Unicode::UTF8::encode_utf8($_) } @data );
}
elsif ( defined($HAS_PU) ? $HAS_PU : ( $HAS_PU = _check_PU() ) ) {
$args->{binmode} = ":unix:utf8_strict";
append( $self, $args, @data );
}
else {
$args->{binmode} = ":unix:encoding(UTF-8)";
append( $self, $args, @data );
}
}
#pod =method assert
#pod
#pod $path = path("foo.txt")->assert( sub { $_->exists } );
#pod
#pod Returns the invocant after asserting that a code reference argument returns
#pod true. When the assertion code reference runs, it will have the invocant
#pod object in the C<$_> variable. If it returns false, an exception will be
#pod thrown. The assertion code reference may also throw its own exception.
#pod
#pod If no assertion is provided, the invocant is returned without error.
#pod
#pod Current API available since 0.062.
#pod
#pod =cut
sub assert {
my ( $self, $assertion ) = @_;
return $self unless $assertion;
if ( ref $assertion eq 'CODE' ) {
local $_ = $self;
$assertion->()
or Path::Tiny::Error->throw( "assert", $self->[PATH], "failed assertion" );
}
else {
Carp::croak("argument to assert must be a code reference argument");
}
return $self;
}
#pod =method basename
#pod
#pod $name = path("foo/bar.txt")->basename; # bar.txt
#pod $name = path("foo.txt")->basename('.txt'); # foo
#pod $name = path("foo.txt")->basename(qr/.txt/); # foo
#pod $name = path("foo.txt")->basename(@suffixes);
#pod
#pod Returns the file portion or last directory portion of a path.
#pod
#pod Given a list of suffixes as strings or regular expressions, any that match at
#pod the end of the file portion or last directory portion will be removed before
#pod the result is returned.
#pod
#pod Current API available since 0.054.
#pod
#pod =cut
sub basename {
my ( $self, @suffixes ) = @_;
$self->_splitpath unless defined $self->[FILE];
my $file = $self->[FILE];
for my $s (@suffixes) {
my $re = ref($s) eq 'Regexp' ? qr/$s\z/ : qr/\Q$s\E\z/;
last if $file =~ s/$re//;
}
return $file;
}
#pod =method canonpath
#pod
#pod $canonical = path("foo/bar")->canonpath; # foo\bar on Windows
#pod
#pod Returns a string with the canonical format of the path name for
#pod the platform. In particular, this means directory separators
#pod will be C<\> on Windows.
#pod
#pod Current API available since 0.001.
#pod
#pod =cut
sub canonpath { $_[0]->[CANON] }
#pod =method cached_temp
#pod
#pod Returns the cached C<File::Temp> or C<File::Temp::Dir> object if the
#pod C<Path::Tiny> object was created with C</tempfile> or C</tempdir>.
#pod If there is no such object, this method throws.
#pod
#pod B<WARNING>: Keeping a reference to, or modifying the cached object may
#pod break the behavior documented for temporary files and directories created
#pod with C<Path::Tiny> and is not supported. Use at your own risk.
#pod
#pod Current API available since 0.101.
#pod
#pod =cut
sub cached_temp {
my $self = shift;
$self->_throw( "cached_temp", $self, "has no cached File::Temp object" )
unless defined $self->[TEMP];
return $self->[TEMP];
}
#pod =method child
#pod
#pod $file = path("/tmp")->child("foo.txt"); # "/tmp/foo.txt"
#pod $file = path("/tmp")->child(@parts);
#pod
#pod Returns a new C<Path::Tiny> object relative to the original. Works
#pod like C<catfile> or C<catdir> from File::Spec, but without caring about
#pod file or directories.
#pod
#pod B<WARNING>: because the argument could contain C<..> or refer to symlinks,
#pod there is no guarantee that the new path refers to an actual descendent of
#pod the original. If this is important to you, transform parent and child with
#pod L</realpath> and check them with L</subsumes>.
#pod
#pod Current API available since 0.001.
#pod
#pod =cut
sub child {
my ( $self, @parts ) = @_;
return _path( $self->[PATH], @parts );
}
#pod =method children
#pod
#pod @paths = path("/tmp")->children;
#pod @paths = path("/tmp")->children( qr/\.txt\z/ );
#pod
#pod Returns a list of C<Path::Tiny> objects for all files and directories
#pod within a directory. Excludes "." and ".." automatically.
#pod
#pod If an optional C<qr//> argument is provided, it only returns objects for child
#pod names that match the given regular expression. Only the base name is used
#pod for matching:
#pod
#pod @paths = path("/tmp")->children( qr/^foo/ );
#pod # matches children like the glob foo*
#pod
#pod Current API available since 0.028.
#pod
#pod =cut
sub children {
my ( $self, $filter ) = @_;
my $dh;
opendir $dh, $self->[PATH] or $self->_throw('opendir');
my @children = readdir $dh;
closedir $dh or $self->_throw('closedir');
if ( not defined $filter ) {
@children = grep { $_ ne '.' && $_ ne '..' } @children;
}
elsif ( $filter && ref($filter) eq 'Regexp' ) {
@children = grep { $_ ne '.' && $_ ne '..' && $_ =~ $filter } @children;
}
else {
Carp::croak("Invalid argument '$filter' for children()");
}
return map { _path( $self->[PATH], $_ ) } @children;
}
#pod =method chmod
#pod
#pod path("foo.txt")->chmod(0777);
#pod path("foo.txt")->chmod("0755");
#pod path("foo.txt")->chmod("go-w");
#pod path("foo.txt")->chmod("a=r,u+wx");
#pod
#pod Sets file or directory permissions. The argument can be a numeric mode, a
#pod octal string beginning with a "0" or a limited subset of the symbolic mode use
#pod by F</bin/chmod>.
#pod
#pod The symbolic mode must be a comma-delimited list of mode clauses. Clauses must
#pod match C<< qr/\A([augo]+)([=+-])([rwx]+)\z/ >>, which defines "who", "op" and
#pod "perms" parameters for each clause. Unlike F</bin/chmod>, all three parameters
#pod are required for each clause, multiple ops are not allowed and permissions
#pod C<stugoX> are not supported. (See L<File::chmod> for more complex needs.)
#pod
#pod Current API available since 0.053.
#pod
#pod =cut
sub chmod {
my ( $self, $new_mode ) = @_;
my $mode;
if ( $new_mode =~ /\d/ ) {
$mode = ( $new_mode =~ /^0/ ? oct($new_mode) : $new_mode );
}
elsif ( $new_mode =~ /[=+-]/ ) {
$mode = _symbolic_chmod( $self->stat->mode & 07777, $new_mode ); ## no critic
}
else {
Carp::croak("Invalid mode argument '$new_mode' for chmod()");
}
CORE::chmod( $mode, $self->[PATH] ) or $self->_throw("chmod");
return 1;
}
#pod =method copy
#pod
#pod path("/tmp/foo.txt")->copy("/tmp/bar.txt");
#pod
#pod Copies the current path to the given destination using L<File::Copy>'s
#pod C<copy> function. Upon success, returns the C<Path::Tiny> object for the
#pod newly copied file.
#pod
#pod Current API available since 0.070.
#pod
#pod =cut
# XXX do recursively for directories?
sub copy {
my ( $self, $dest ) = @_;
require File::Copy;
File::Copy::copy( $self->[PATH], $dest )
or Carp::croak("copy failed for $self to $dest: $!");
return -d $dest ? _path( $dest, $self->basename ) : _path($dest);
}
#pod =method digest
#pod
#pod $obj = path("/tmp/foo.txt")->digest; # SHA-256
#pod $obj = path("/tmp/foo.txt")->digest("MD5"); # user-selected
#pod $obj = path("/tmp/foo.txt")->digest( { chunk_size => 1e6 }, "MD5" );
#pod
#pod Returns a hexadecimal digest for a file. An optional hash reference of options may
#pod be given. The only option is C<chunk_size>. If C<chunk_size> is given, that many
#pod bytes will be read at a time. If not provided, the entire file will be slurped
#pod into memory to compute the digest.
#pod
#pod Any subsequent arguments are passed to the constructor for L<Digest> to select
#pod an algorithm. If no arguments are given, the default is SHA-256.
#pod
#pod Current API available since 0.056.
#pod
#pod =cut
sub digest {
my ( $self, @opts ) = @_;
my $args = ( @opts && ref $opts[0] eq 'HASH' ) ? shift @opts : {};
$args = _get_args( $args, qw/chunk_size/ );
unshift @opts, 'SHA-256' unless @opts;
require Digest;
my $digest = Digest->new(@opts);
if ( $args->{chunk_size} ) {
my $fh = $self->filehandle( { locked => 1 }, "<", ":unix" );
my $buf;
while (!eof($fh)) {
my $rc = read $fh, $buf, $args->{chunk_size};
$self->_throw('read') unless defined $rc;
$digest->add($buf);
}
}
else {
$digest->add( $self->slurp_raw );
}
return $digest->hexdigest;
}
#pod =method dirname (deprecated)
#pod
#pod $name = path("/tmp/foo.txt")->dirname; # "/tmp/"
#pod
#pod Returns the directory portion you would get from calling
#pod C<< File::Spec->splitpath( $path->stringify ) >> or C<"."> for a path without a
#pod parent directory portion. Because L<File::Spec> is inconsistent, the result
#pod might or might not have a trailing slash. Because of this, this method is
#pod B<deprecated>.
#pod
#pod A better, more consistently approach is likely C<< $path->parent->stringify >>,
#pod which will not have a trailing slash except for a root directory.
#pod
#pod Deprecated in 0.056.
#pod
#pod =cut
sub dirname {
my ($self) = @_;
$self->_splitpath unless defined $self->[DIR];
return length $self->[DIR] ? $self->[DIR] : ".";
}
#pod =method edit, edit_raw, edit_utf8
#pod
#pod path("foo.txt")->edit( \&callback, $options );
#pod path("foo.txt")->edit_utf8( \&callback );
#pod path("foo.txt")->edit_raw( \&callback );
#pod
#pod These are convenience methods that allow "editing" a file using a single
#pod callback argument. They slurp the file using C<slurp>, place the contents
#pod inside a localized C<$_> variable, call the callback function (without
#pod arguments), and then write C<$_> (presumably mutated) back to the
#pod file with C<spew>.
#pod
#pod An optional hash reference may be used to pass options. The only option is
#pod C<binmode>, which is passed to C<slurp> and C<spew>.
#pod
#pod C<edit_utf8> and C<edit_raw> act like their respective C<slurp_*> and
#pod C<spew_*> methods.
#pod
#pod Current API available since 0.077.
#pod
#pod =cut
sub edit {
my $self = shift;
my $cb = shift;
my $args = _get_args( shift, qw/binmode/ );
Carp::croak("Callback for edit() must be a code reference")
unless defined($cb) && ref($cb) eq 'CODE';
local $_ =
$self->slurp( exists( $args->{binmode} ) ? { binmode => $args->{binmode} } : () );
$cb->();
$self->spew( $args, $_ );
return;
}
# this is done long-hand to benefit from slurp_utf8 optimizations
sub edit_utf8 {
my ( $self, $cb ) = @_;
Carp::croak("Callback for edit_utf8() must be a code reference")
unless defined($cb) && ref($cb) eq 'CODE';
local $_ = $self->slurp_utf8;
$cb->();
$self->spew_utf8($_);
return;
}
sub edit_raw { $_[2] = { binmode => ":unix" }; goto &edit }
#pod =method edit_lines, edit_lines_utf8, edit_lines_raw
#pod
#pod path("foo.txt")->edit_lines( \&callback, $options );
#pod path("foo.txt")->edit_lines_utf8( \&callback );
#pod path("foo.txt")->edit_lines_raw( \&callback );
#pod
#pod These are convenience methods that allow "editing" a file's lines using a
#pod single callback argument. They iterate over the file: for each line, the
#pod line is put into a localized C<$_> variable, the callback function is
#pod executed (without arguments) and then C<$_> is written to a temporary file.
#pod When iteration is finished, the temporary file is atomically renamed over
#pod the original.
#pod
#pod An optional hash reference may be used to pass options. The only option is
#pod C<binmode>, which is passed to the method that open handles for reading and
#pod writing.
#pod
#pod C<edit_lines_raw> is like C<edit_lines> with a buffered C<binmode> of
#pod C<:raw>.
#pod
#pod C<edit_lines_utf8> is like C<edit_lines> with a buffered C<binmode>
#pod C<:raw:encoding(UTF-8)> (or C<:raw:utf8_strict> with
#pod L<PerlIO::utf8_strict>).
#pod
#pod Current API available since 0.077.
#pod
#pod =cut
sub edit_lines {
my $self = shift;
my $cb = shift;
my $args = _get_args( shift, qw/binmode/ );
Carp::croak("Callback for edit_lines() must be a code reference")
unless defined($cb) && ref($cb) eq 'CODE';
my $binmode = $args->{binmode};
# get default binmode from caller's lexical scope (see "perldoc open")
$binmode = ( ( caller(0) )[10] || {} )->{'open>'} unless defined $binmode;
# writing needs to follow the link and create the tempfile in the same
# dir for later atomic rename
my $resolved_path = $self->_resolve_symlinks;
my $temp = $resolved_path->_replacment_path;
my $temp_fh = $temp->filehandle( { exclusive => 1, locked => 1 }, ">", $binmode );
my $in_fh = $self->filehandle( { locked => 1 }, '<', $binmode );
local $_;
while (! eof($in_fh) ) {
defined( $_ = readline($in_fh) ) or $self->_throw('readline');
$cb->();
$temp_fh->print($_) or self->_throw('print', $temp);
}
close $temp_fh or $self->_throw( 'close', $temp );
close $in_fh or $self->_throw('close');
return $temp->move($resolved_path);
}
sub edit_lines_raw { $_[2] = { binmode => ":raw" }; goto &edit_lines }
sub edit_lines_utf8 {
if ( defined($HAS_PU) ? $HAS_PU : ( $HAS_PU = _check_PU() ) ) {
$_[2] = { binmode => ":raw:utf8_strict" };
}
else {
$_[2] = { binmode => ":raw:encoding(UTF-8)" };
}
goto &edit_lines;
}
#pod =method exists, is_file, is_dir
#pod
#pod if ( path("/tmp")->exists ) { ... } # -e
#pod if ( path("/tmp")->is_dir ) { ... } # -d
#pod if ( path("/tmp")->is_file ) { ... } # -e && ! -d
#pod
#pod Implements file test operations, this means the file or directory actually has
#pod to exist on the filesystem. Until then, it's just a path.
#pod
#pod B<Note>: C<is_file> is not C<-f> because C<-f> is not the opposite of C<-d>.
#pod C<-f> means "plain file", excluding symlinks, devices, etc. that often can be
#pod read just like files.
#pod
#pod Use C<-f> instead if you really mean to check for a plain file.
#pod
#pod Current API available since 0.053.
#pod
#pod =cut
sub exists { -e $_[0]->[PATH] }
sub is_file { -e $_[0]->[PATH] && !-d _ }
sub is_dir { -d $_[0]->[PATH] }
#pod =method filehandle
#pod
#pod $fh = path("/tmp/foo.txt")->filehandle($mode, $binmode);
#pod $fh = path("/tmp/foo.txt")->filehandle({ locked => 1 }, $mode, $binmode);
#pod $fh = path("/tmp/foo.txt")->filehandle({ exclusive => 1 }, $mode, $binmode);
#pod
#pod Returns an open file handle. The C<$mode> argument must be a Perl-style
#pod read/write mode string ("<" ,">", ">>", etc.). If a C<$binmode>
#pod is given, it is set during the C<open> call.
#pod
#pod An optional hash reference may be used to pass options.
#pod
#pod The C<locked> option governs file locking; if true, handles opened for writing,
#pod appending or read-write are locked with C<LOCK_EX>; otherwise, they are
#pod locked with C<LOCK_SH>. When using C<locked>, ">" or "+>" modes will delay
#pod truncation until after the lock is acquired.
#pod
#pod The C<exclusive> option causes the open() call to fail if the file already
#pod exists. This corresponds to the O_EXCL flag to sysopen / open(2).
#pod C<exclusive> implies C<locked> and will set it for you if you forget it.
#pod
#pod See C<openr>, C<openw>, C<openrw>, and C<opena> for sugar.
#pod
#pod Current API available since 0.066.
#pod
#pod =cut
# Note: must put binmode on open line, not subsequent binmode() call, so things
# like ":unix" actually stop perlio/crlf from being added
sub filehandle {
my ( $self, @args ) = @_;
my $args = ( @args && ref $args[0] eq 'HASH' ) ? shift @args : {};
$args = _get_args( $args, qw/locked exclusive/ );
$args->{locked} = 1 if $args->{exclusive};
my ( $opentype, $binmode ) = @args;
$opentype = "<" unless defined $opentype;
Carp::croak("Invalid file mode '$opentype'")
unless grep { $opentype eq $_ } qw/< +< > +> >> +>>/;
$binmode = ( ( caller(0) )[10] || {} )->{ 'open' . substr( $opentype, -1, 1 ) }
unless defined $binmode;
$binmode = "" unless defined $binmode;
my ( $fh, $lock, $trunc );
if ( $HAS_FLOCK && $args->{locked} && !$ENV{PERL_PATH_TINY_NO_FLOCK} ) {
require Fcntl;
# truncating file modes shouldn't truncate until lock acquired
if ( grep { $opentype eq $_ } qw( > +> ) ) {
# sysopen in write mode without truncation
my $flags = $opentype eq ">" ? Fcntl::O_WRONLY() : Fcntl::O_RDWR();
$flags |= Fcntl::O_CREAT();
$flags |= Fcntl::O_EXCL() if $args->{exclusive};
sysopen( $fh, $self->[PATH], $flags ) or $self->_throw("sysopen");
# fix up the binmode since sysopen() can't specify layers like
# open() and binmode() can't start with just :unix like open()
if ( $binmode =~ s/^:unix// ) {
# eliminate pseudo-layers
binmode( $fh, ":raw" ) or $self->_throw("binmode (:raw)");
# strip off real layers until only :unix is left
while ( 1 < ( my $layers =()= PerlIO::get_layers( $fh, output => 1 ) ) ) {
binmode( $fh, ":pop" ) or $self->_throw("binmode (:pop)");
}
}
# apply any remaining binmode layers
if ( length $binmode ) {
binmode( $fh, $binmode ) or $self->_throw("binmode ($binmode)");
}
# ask for lock and truncation
$lock = Fcntl::LOCK_EX();
$trunc = 1;
}
elsif ( $^O eq 'aix' && $opentype eq "<" ) {
# AIX can only lock write handles, so upgrade to RW and LOCK_EX if
# the file is writable; otherwise give up on locking. N.B.
# checking -w before open to determine the open mode is an
# unavoidable race condition
if ( -w $self->[PATH] ) {
$opentype = "+<";
$lock = Fcntl::LOCK_EX();
}
}
else {
$lock = $opentype eq "<" ? Fcntl::LOCK_SH() : Fcntl::LOCK_EX();
}
}
unless ($fh) {
my $mode = $opentype . $binmode;
open $fh, $mode, $self->[PATH] or $self->_throw("open ($mode)");
}
do { flock( $fh, $lock ) or $self->_throw("flock ($lock)") } if $lock;
do { truncate( $fh, 0 ) or $self->_throw("truncate") } if $trunc;
return $fh;
}
#pod =method has_same_bytes
#pod
#pod if ( path("foo.txt")->has_same_bytes("bar.txt") ) {
#pod # ...
#pod }
#pod
#pod This method returns true if both the invocant and the argument can be opened as
#pod file handles and the handles contain the same bytes. It returns false if their
#pod contents differ. If either can't be opened as a file (e.g. a directory or
#pod non-existent file), the method throws an exception. If both can be opened and
#pod both have the same C<realpath>, the method returns true without scanning any
#pod data.
#pod
#pod Current API available since 0.125.
#pod
#pod =cut
sub has_same_bytes {
my ($self, $other_path) = @_;
my $other = _path($other_path);
my $fh1 = $self->openr_raw({ locked => 1 });
my $fh2 = $other->openr_raw({ locked => 1 });
# check for directories
if (-d $fh1) {
$self->_throw('has_same_bytes', $self->[PATH], "directory not allowed");
}
if (-d $fh2) {
$self->_throw('has_same_bytes', $other->[PATH], "directory not allowed");
}
# Now that handles are open, we know the inputs are readable files that
# exist, so it's safe to compare via realpath
if ($self->realpath eq $other->realpath) {
return 1
}
# result is 0 for equal, 1 for unequal, -1 for error
require File::Compare;
my $res = File::Compare::compare($fh1, $fh2, 65536);
if ($res < 0) {
$self->_throw('has_same_bytes')
}
return $res == 0;
}
#pod =method is_absolute, is_relative
#pod
#pod if ( path("/tmp")->is_absolute ) { ... }
#pod if ( path("/tmp")->is_relative ) { ... }
#pod
#pod Booleans for whether the path appears absolute or relative.
#pod
#pod Current API available since 0.001.
#pod
#pod =cut
sub is_absolute { substr( $_[0]->dirname, 0, 1 ) eq '/' }
sub is_relative { substr( $_[0]->dirname, 0, 1 ) ne '/' }
#pod =method is_rootdir
#pod
#pod while ( ! $path->is_rootdir ) {
#pod $path = $path->parent;
#pod ...
#pod }
#pod
#pod Boolean for whether the path is the root directory of the volume. I.e. the
#pod C<dirname> is C<q[/]> and the C<basename> is C<q[]>.
#pod
#pod This works even on C<MSWin32> with drives and UNC volumes:
#pod
#pod path("C:/")->is_rootdir; # true
#pod path("//server/share/")->is_rootdir; #true
#pod
#pod Current API available since 0.038.
#pod
#pod =cut
sub is_rootdir {
my ($self) = @_;
$self->_splitpath unless defined $self->[DIR];
return $self->[DIR] eq '/' && $self->[FILE] eq '';
}
#pod =method iterator
#pod
#pod $iter = path("/tmp")->iterator( \%options );
#pod
#pod Returns a code reference that walks a directory lazily. Each invocation
#pod returns a C<Path::Tiny> object or undef when the iterator is exhausted.
#pod
#pod $iter = path("/tmp")->iterator;
#pod while ( $path = $iter->() ) {
#pod ...
#pod }
#pod
#pod The current and parent directory entries ("." and "..") will not
#pod be included.
#pod
#pod If the C<recurse> option is true, the iterator will walk the directory
#pod recursively, breadth-first. If the C<follow_symlinks> option is also true,
#pod directory links will be followed recursively. There is no protection against
#pod loops when following links. If a directory is not readable, it will not be
#pod followed.
#pod
#pod The default is the same as:
#pod
#pod $iter = path("/tmp")->iterator( {
#pod recurse => 0,
#pod follow_symlinks => 0,
#pod } );
#pod
#pod For a more powerful, recursive iterator with built-in loop avoidance, see
#pod L<Path::Iterator::Rule>.
#pod
#pod See also L</visit>.
#pod
#pod Current API available since 0.016.
#pod
#pod =cut
sub iterator {
my $self = shift;
my $args = _get_args( shift, qw/recurse follow_symlinks/ );
my @dirs = $self;
my $current;
return sub {
my $next;
while (@dirs) {
if ( ref $dirs[0] eq 'Path::Tiny' ) {
if ( !-r $dirs[0] ) {
# Directory is missing or not readable, so skip it. There
# is still a race condition possible between the check and
# the opendir, but we can't easily differentiate between
# error cases that are OK to skip and those that we want
# to be exceptions, so we live with the race and let opendir
# be fatal.
shift @dirs and next;
}
$current = $dirs[0];
my $dh;
opendir( $dh, $current->[PATH] )
or $self->_throw( 'opendir', $current->[PATH] );
$dirs[0] = $dh;
if ( -l $current->[PATH] && !$args->{follow_symlinks} ) {
# Symlink attack! It was a real dir, but is now a symlink!
# N.B. we check *after* opendir so the attacker has to win
# two races: replace dir with symlink before opendir and
# replace symlink with dir before -l check above
shift @dirs and next;
}
}
while ( defined( $next = readdir $dirs[0] ) ) {
next if $next eq '.' || $next eq '..';
my $path = $current->child($next);
push @dirs, $path
if $args->{recurse} && -d $path && !( !$args->{follow_symlinks} && -l $path );
return $path;
}
shift @dirs;
}
return;
};
}
#pod =method lines, lines_raw, lines_utf8
#pod
#pod @contents = path("/tmp/foo.txt")->lines;
#pod @contents = path("/tmp/foo.txt")->lines(\%options);
#pod @contents = path("/tmp/foo.txt")->lines_raw;
#pod @contents = path("/tmp/foo.txt")->lines_utf8;
#pod
#pod @contents = path("/tmp/foo.txt")->lines( { chomp => 1, count => 4 } );
#pod
#pod Returns a list of lines from a file. Optionally takes a hash-reference of
#pod options. Valid options are C<binmode>, C<count> and C<chomp>.
#pod
#pod If C<binmode> is provided, it will be set on the handle prior to reading.
#pod
#pod If a positive C<count> is provided, that many lines will be returned from the
#pod start of the file. If a negative C<count> is provided, the entire file will be
#pod read, but only C<abs(count)> will be kept and returned. If C<abs(count)>
#pod exceeds the number of lines in the file, all lines will be returned.
#pod
#pod If C<chomp> is set, any end-of-line character sequences (C<CR>, C<CRLF>, or
#pod C<LF>) will be removed from the lines returned.
#pod
#pod Because the return is a list, C<lines> in scalar context will return the number
#pod of lines (and throw away the data).
#pod
#pod $number_of_lines = path("/tmp/foo.txt")->lines;
#pod
#pod C<lines_raw> is like C<lines> with a C<binmode> of C<:raw>. We use C<:raw>
#pod instead of C<:unix> so PerlIO buffering can manage reading by line.
#pod
#pod C<lines_utf8> is like C<lines> with a C<binmode> of C<:raw:encoding(UTF-8)>
#pod (or C<:raw:utf8_strict> with L<PerlIO::utf8_strict>). If L<Unicode::UTF8>
#pod 0.58+ is installed, a raw, unbuffered UTF-8 slurp will be done and then the
#pod lines will be split. This is actually faster than relying on
#pod IO layers, though a bit memory intensive. If memory use is a
#pod concern, consider C<openr_utf8> and iterating directly on the handle.
#pod
#pod Current API available since 0.065.
#pod
#pod =cut
sub lines {
my $self = shift;
my $args = _get_args( shift, qw/binmode chomp count/ );
my $binmode = $args->{binmode};
$binmode = ( ( caller(0) )[10] || {} )->{'open<'} unless defined $binmode;
my $fh = $self->filehandle( { locked => 1 }, "<", $binmode );
my $chomp = $args->{chomp};
# XXX more efficient to read @lines then chomp(@lines) vs map?
if ( $args->{count} ) {
my ( $counter, $mod, @result ) = ( 0, abs( $args->{count} ) );
my $line;
while ( !eof($fh) ) {
defined( $line = readline($fh) ) or $self->_throw('readline');
$line =~ s/(?:\x{0d}?\x{0a}|\x{0d})\z// if $chomp;
$result[ $counter++ ] = $line;
# for positive count, terminate after right number of lines
last if $counter == $args->{count};
# for negative count, eventually wrap around in the result array
$counter %= $mod;
}
# reorder results if full and wrapped somewhere in the middle
splice( @result, 0, 0, splice( @result, $counter ) )
if @result == $mod && $counter % $mod;
return @result;
}
elsif ($chomp) {
local $!;
my @lines = map { s/(?:\x{0d}?\x{0a}|\x{0d})\z//; $_ } <$fh>; ## no critic
$self->_throw('readline') if $!;
return @lines;
}
else {
if ( wantarray ) {
local $!;
my @lines = <$fh>;
$self->_throw('readline') if $!;
return @lines;
} else {
local $!;
my $count =()= <$fh>;
$self->_throw('readline') if $!;
return $count;
}
}
}
sub lines_raw {
my $self = shift;
my $args = _get_args( shift, qw/binmode chomp count/ );
if ( $args->{chomp} && !$args->{count} ) {
return split /\n/, slurp_raw($self); ## no critic
}
else {
$args->{binmode} = ":raw";
return lines( $self, $args );
}
}
my $CRLF = qr/(?:\x{0d}?\x{0a}|\x{0d})/;
sub lines_utf8 {
my $self = shift;
my $args = _get_args( shift, qw/binmode chomp count/ );
if ( ( defined($HAS_UU) ? $HAS_UU : ( $HAS_UU = _check_UU() ) )
&& $args->{chomp}
&& !$args->{count} )
{
my $slurp = slurp_utf8($self);
$slurp =~ s/$CRLF\z//; # like chomp, but full CR?LF|CR
return split $CRLF, $slurp, -1; ## no critic
}
elsif ( defined($HAS_PU) ? $HAS_PU : ( $HAS_PU = _check_PU() ) ) {
$args->{binmode} = ":raw:utf8_strict";
return lines( $self, $args );
}
else {
$args->{binmode} = ":raw:encoding(UTF-8)";
return lines( $self, $args );
}
}
#pod =method mkdir
#pod
#pod path("foo/bar/baz")->mkdir;
#pod path("foo/bar/baz")->mkdir( \%options );
#pod
#pod Like calling C<make_path> from L<File::Path>. An optional hash reference
#pod is passed through to C<make_path>. Errors will be trapped and an exception
#pod thrown. Returns the the path object to facilitate chaining.
#pod
#pod B<NOTE>: unlike Perl's builtin C<mkdir>, this will create intermediate paths
#pod similar to the Unix C<mkdir -p> command. It will not error if applied to an
#pod existing directory.
#pod
#pod Current API available since 0.125.
#pod
#pod =cut
sub mkdir {
my ( $self, $args ) = @_;
$args = {} unless ref $args eq 'HASH';
my $err;
$args->{error} = \$err unless defined $args->{error};
require File::Path;
my @dirs;
my $ok = eval {
File::Path::make_path( $self->[PATH], $args );
1;
};
if (!$ok) {
$self->_throw('mkdir', $self->[PATH], "error creating path: $@");
}
if ( $err && @$err ) {
my ( $file, $message ) = %{ $err->[0] };
$self->_throw('mkdir', $file, $message);
}
return $self;
}
#pod =method mkpath (deprecated)
#pod
#pod Like calling C<mkdir>, but returns the list of directories created or an empty list if
#pod the directories already exist, just like C<make_path>.
#pod
#pod Deprecated in 0.125.
#pod
#pod =cut
sub mkpath {
my ( $self, $args ) = @_;
$args = {} unless ref $args eq 'HASH';
my $err;
$args->{error} = \$err unless defined $args->{error};
require File::Path;
my @dirs = File::Path::make_path( $self->[PATH], $args );
if ( $err && @$err ) {
my ( $file, $message ) = %{ $err->[0] };
Carp::croak("mkpath failed for $file: $message");
}
return @dirs;
}
#pod =method move
#pod
#pod path("foo.txt")->move("bar.txt");
#pod
#pod Moves the current path to the given destination using L<File::Copy>'s
#pod C<move> function. Upon success, returns the C<Path::Tiny> object for the
#pod newly moved file.
#pod
#pod If the destination already exists and is a directory, and the source is not a
#pod directory, then the source file will be renamed into the directory
#pod specified by the destination.
#pod
#pod If possible, move() will simply rename the file. Otherwise, it
#pod copies the file to the new location and deletes the original. If an
#pod error occurs during this copy-and-delete process, you may be left
#pod with a (possibly partial) copy of the file under the destination
#pod name.
#pod
#pod Current API available since 0.124. Prior versions used Perl's
#pod -built-in (and less robust) L<rename|perlfunc/rename> function
#pod and did not return an object.
#pod
#pod =cut
sub move {
my ( $self, $dest ) = @_;
require File::Copy;
File::Copy::move( $self->[PATH], $dest )
or $self->_throw( 'move', $self->[PATH] . "' -> '$dest" );
return -d $dest ? _path( $dest, $self->basename ) : _path($dest);
}
#pod =method openr, openw, openrw, opena
#pod
#pod $fh = path("foo.txt")->openr($binmode); # read
#pod $fh = path("foo.txt")->openr_raw;
#pod $fh = path("foo.txt")->openr_utf8;
#pod
#pod $fh = path("foo.txt")->openw($binmode); # write
#pod $fh = path("foo.txt")->openw_raw;
#pod $fh = path("foo.txt")->openw_utf8;
#pod
#pod $fh = path("foo.txt")->opena($binmode); # append
#pod $fh = path("foo.txt")->opena_raw;
#pod $fh = path("foo.txt")->opena_utf8;
#pod
#pod $fh = path("foo.txt")->openrw($binmode); # read/write
#pod $fh = path("foo.txt")->openrw_raw;
#pod $fh = path("foo.txt")->openrw_utf8;
#pod
#pod Returns a file handle opened in the specified mode. The C<openr> style methods
#pod take a single C<binmode> argument. All of the C<open*> methods have
#pod C<open*_raw> and C<open*_utf8> equivalents that use buffered I/O layers C<:raw>
#pod and C<:raw:encoding(UTF-8)> (or C<:raw:utf8_strict> with
#pod L<PerlIO::utf8_strict>).
#pod
#pod An optional hash reference may be used to pass options. The only option is
#pod C<locked>. If true, handles opened for writing, appending or read-write are
#pod locked with C<LOCK_EX>; otherwise, they are locked for C<LOCK_SH>.
#pod
#pod $fh = path("foo.txt")->openrw_utf8( { locked => 1 } );
#pod
#pod See L</filehandle> for more on locking.
#pod
#pod Current API available since 0.011.
#pod
#pod =cut
# map method names to corresponding open mode
my %opens = (
opena => ">>",
openr => "<",
openw => ">",
openrw => "+<"
);
while ( my ( $k, $v ) = each %opens ) {
no strict 'refs';
# must check for lexical IO mode hint
*{$k} = sub {
my ( $self, @args ) = @_;
my $args = ( @args && ref $args[0] eq 'HASH' ) ? shift @args : {};
$args = _get_args( $args, qw/locked/ );
my ($binmode) = @args;
$binmode = ( ( caller(0) )[10] || {} )->{ 'open' . substr( $v, -1, 1 ) }
unless defined $binmode;
$self->filehandle( $args, $v, $binmode );
};
*{ $k . "_raw" } = sub {
my ( $self, @args ) = @_;
my $args = ( @args && ref $args[0] eq 'HASH' ) ? shift @args : {};
$args = _get_args( $args, qw/locked/ );
$self->filehandle( $args, $v, ":raw" );
};
*{ $k . "_utf8" } = sub {
my ( $self, @args ) = @_;
my $args = ( @args && ref $args[0] eq 'HASH' ) ? shift @args : {};
$args = _get_args( $args, qw/locked/ );
my $layer;
if ( defined($HAS_PU) ? $HAS_PU : ( $HAS_PU = _check_PU() ) ) {
$layer = ":raw:utf8_strict";
}
else {
$layer = ":raw:encoding(UTF-8)";
}
$self->filehandle( $args, $v, $layer );
};
}
#pod =method parent
#pod
#pod $parent = path("foo/bar/baz")->parent; # foo/bar
#pod $parent = path("foo/wibble.txt")->parent; # foo
#pod
#pod $parent = path("foo/bar/baz")->parent(2); # foo
#pod
#pod Returns a C<Path::Tiny> object corresponding to the parent directory of the
#pod original directory or file. An optional positive integer argument is the number
#pod of parent directories upwards to return. C<parent> by itself is equivalent to
#pod C<parent(1)>.
#pod
#pod Current API available since 0.014.
#pod
#pod =cut
# XXX this is ugly and coverage is incomplete. I think it's there for windows
# so need to check coverage there and compare
sub parent {
my ( $self, $level ) = @_;
$level = 1 unless defined $level && $level > 0;
$self->_splitpath unless defined $self->[FILE];
my $parent;
if ( length $self->[FILE] ) {
if ( $self->[FILE] eq '.' || $self->[FILE] eq ".." ) {
$parent = _path( $self->[PATH] . "/.." );
}
else {
$parent = _path( _non_empty( $self->[VOL] . $self->[DIR] ) );
}
}
elsif ( length $self->[DIR] ) {
# because of symlinks, any internal updir requires us to
# just add more updirs at the end
if ( $self->[DIR] =~ m{(?:^\.\./|/\.\./|/\.\.\z)} ) {
$parent = _path( $self->[VOL] . $self->[DIR] . "/.." );
}
else {
( my $dir = $self->[DIR] ) =~ s{/[^\/]+/\z}{/};
$parent = _path( $self->[VOL] . $dir );
}
}
else {
$parent = _path( _non_empty( $self->[VOL] ) );
}
return $level == 1 ? $parent : $parent->parent( $level - 1 );
}
sub _non_empty {
my ($string) = shift;
return ( ( defined($string) && length($string) ) ? $string : "." );
}
#pod =method realpath
#pod
#pod $real = path("/baz/foo/../bar")->realpath;
#pod $real = path("foo/../bar")->realpath;
#pod
#pod Returns a new C<Path::Tiny> object with all symbolic links and upward directory
#pod parts resolved using L<Cwd>'s C<realpath>. Compared to C<absolute>, this is
#pod more expensive as it must actually consult the filesystem.
#pod
#pod If the parent path can't be resolved (e.g. if it includes directories that
#pod don't exist), an exception will be thrown:
#pod
#pod $real = path("doesnt_exist/foo")->realpath; # dies
#pod
#pod However, if the parent path exists and only the last component (e.g. filename)
#pod doesn't exist, the realpath will be the realpath of the parent plus the
#pod non-existent last component:
#pod
#pod $real = path("./aasdlfasdlf")->realpath; # works
#pod
#pod The underlying L<Cwd> module usually worked this way on Unix, but died on
#pod Windows (and some Unixes) if the full path didn't exist. As of version 0.064,
#pod it's safe to use anywhere.
#pod
#pod Current API available since 0.001.
#pod
#pod =cut
# Win32 and some Unixes need parent path resolved separately so realpath
# doesn't throw an error resolving non-existent basename
sub realpath {
my $self = shift;
$self = $self->_resolve_symlinks;
require Cwd;
$self->_splitpath if !defined $self->[FILE];
my $check_parent =
length $self->[FILE] && $self->[FILE] ne '.' && $self->[FILE] ne '..';
my $realpath = eval {
# pure-perl Cwd can carp
local $SIG{__WARN__} = sub { };
Cwd::realpath( $check_parent ? $self->parent->[PATH] : $self->[PATH] );
};
# parent realpath must exist; not all Cwd::realpath will error if it doesn't
$self->_throw("resolving realpath")
unless defined $realpath && length $realpath && -e $realpath;
return ( $check_parent ? _path( $realpath, $self->[FILE] ) : _path($realpath) );
}
#pod =method relative
#pod
#pod $rel = path("/tmp/foo/bar")->relative("/tmp"); # foo/bar
#pod
#pod Returns a C<Path::Tiny> object with a path relative to a new base path
#pod given as an argument. If no argument is given, the current directory will
#pod be used as the new base path.
#pod
#pod If either path is already relative, it will be made absolute based on the
#pod current directly before determining the new relative path.
#pod
#pod The algorithm is roughly as follows:
#pod
#pod =for :list
#pod * If the original and new base path are on different volumes, an exception
#pod will be thrown.
#pod * If the original and new base are identical, the relative path is C<".">.
#pod * If the new base subsumes the original, the relative path is the original
#pod path with the new base chopped off the front
#pod * If the new base does not subsume the original, a common prefix path is
#pod determined (possibly the root directory) and the relative path will
#pod consist of updirs (C<"..">) to reach the common prefix, followed by the
#pod original path less the common prefix.
#pod
#pod Unlike C<File::Spec::abs2rel>, in the last case above, the calculation based
#pod on a common prefix takes into account symlinks that could affect the updir
#pod process. Given an original path "/A/B" and a new base "/A/C",
#pod (where "A", "B" and "C" could each have multiple path components):
#pod
#pod =for :list
#pod * Symlinks in "A" don't change the result unless the last component of A is
#pod a symlink and the first component of "C" is an updir.
#pod * Symlinks in "B" don't change the result and will exist in the result as
#pod given.
#pod * Symlinks and updirs in "C" must be resolved to actual paths, taking into
#pod account the possibility that not all path components might exist on the
#pod filesystem.
#pod
#pod Current API available since 0.001. New algorithm (that accounts for
#pod symlinks) available since 0.079.
#pod
#pod =cut
sub relative {
my ( $self, $base ) = @_;
$base = _path( defined $base && length $base ? $base : '.' );
# relative paths must be converted to absolute first
$self = $self->absolute if $self->is_relative;
$base = $base->absolute if $base->is_relative;
# normalize volumes if they exist
$self = $self->absolute if !length $self->volume && length $base->volume;
$base = $base->absolute if length $self->volume && !length $base->volume;
# can't make paths relative across volumes
if ( !_same( $self->volume, $base->volume ) ) {
Carp::croak("relative() can't cross volumes: '$self' vs '$base'");
}
# if same absolute path, relative is current directory
return _path(".") if _same( $self->[PATH], $base->[PATH] );
# if base is a prefix of self, chop prefix off self
if ( $base->subsumes($self) ) {
$base = "" if $base->is_rootdir;
my $relative = "$self";
$relative =~ s{\A\Q$base/}{};
return _path(".", $relative);
}
# base is not a prefix, so must find a common prefix (even if root)
my ( @common, @self_parts, @base_parts );
@base_parts = split /\//, $base->_just_filepath;
# if self is rootdir, then common directory is root (shown as empty
# string for later joins); otherwise, must be computed from path parts.
if ( $self->is_rootdir ) {
@common = ("");
shift @base_parts;
}
else {
@self_parts = split /\//, $self->_just_filepath;
while ( @self_parts && @base_parts && _same( $self_parts[0], $base_parts[0] ) ) {
push @common, shift @base_parts;
shift @self_parts;
}
}
# if there are any symlinks from common to base, we have a problem, as
# you can't guarantee that updir from base reaches the common prefix;
# we must resolve symlinks and try again; likewise, any updirs are
# a problem as it throws off calculation of updirs needed to get from
# self's path to the common prefix.
if ( my $new_base = $self->_resolve_between( \@common, \@base_parts ) ) {
return $self->relative($new_base);
}
# otherwise, symlinks in common or from common to A don't matter as
# those don't involve updirs
my @new_path = ( ("..") x ( 0+ @base_parts ), @self_parts );
return _path(@new_path);
}
sub _just_filepath {
my $self = shift;
my $self_vol = $self->volume;
return "$self" if !length $self_vol;
( my $self_path = "$self" ) =~ s{\A\Q$self_vol}{};
return $self_path;
}
sub _resolve_between {
my ( $self, $common, $base ) = @_;
my $path = $self->volume . join( "/", @$common );
my $changed = 0;
for my $p (@$base) {
$path .= "/$p";
if ( $p eq '..' ) {
$changed = 1;
if ( -e $path ) {
$path = _path($path)->realpath->[PATH];
}
else {
$path =~ s{/[^/]+/..\z}{/};
}
}
if ( -l $path ) {
$changed = 1;
$path = _path($path)->realpath->[PATH];
}
}
return $changed ? _path($path) : undef;
}
#pod =method remove
#pod
#pod path("foo.txt")->remove;
#pod
#pod This is just like C<unlink>, except for its error handling: if the path does
#pod not exist, it returns false; if deleting the file fails, it throws an
#pod exception.
#pod
#pod Current API available since 0.012.
#pod
#pod =cut
sub remove {
my $self = shift;
return 0 if !-e $self->[PATH] && !-l $self->[PATH];
return unlink( $self->[PATH] ) || $self->_throw('unlink');
}
#pod =method remove_tree
#pod
#pod # directory
#pod path("foo/bar/baz")->remove_tree;
#pod path("foo/bar/baz")->remove_tree( \%options );
#pod path("foo/bar/baz")->remove_tree( { safe => 0 } ); # force remove
#pod
#pod Like calling C<remove_tree> from L<File::Path>, but defaults to C<safe> mode.
#pod An optional hash reference is passed through to C<remove_tree>. Errors will be
#pod trapped and an exception thrown. Returns the number of directories deleted,
#pod just like C<remove_tree>.
#pod
#pod If you want to remove a directory only if it is empty, use the built-in
#pod C<rmdir> function instead.
#pod
#pod rmdir path("foo/bar/baz/");
#pod
#pod Current API available since 0.013.
#pod
#pod =cut
sub remove_tree {
my ( $self, $args ) = @_;
return 0 if !-e $self->[PATH] && !-l $self->[PATH];
$args = {} unless ref $args eq 'HASH';
my $err;
$args->{error} = \$err unless defined $args->{error};
$args->{safe} = 1 unless defined $args->{safe};
require File::Path;
my $count = File::Path::remove_tree( $self->[PATH], $args );
if ( $err && @$err ) {
my ( $file, $message ) = %{ $err->[0] };
Carp::croak("remove_tree failed for $file: $message");
}
return $count;
}
#pod =method sibling
#pod
#pod $foo = path("/tmp/foo.txt");
#pod $sib = $foo->sibling("bar.txt"); # /tmp/bar.txt
#pod $sib = $foo->sibling("baz", "bam.txt"); # /tmp/baz/bam.txt
#pod
#pod Returns a new C<Path::Tiny> object relative to the parent of the original.
#pod This is slightly more efficient than C<< $path->parent->child(...) >>.
#pod
#pod Current API available since 0.058.
#pod
#pod =cut
sub sibling {
my $self = shift;
return _path( $self->parent->[PATH], @_ );
}
#pod =method size, size_human
#pod
#pod my $p = path("foo"); # with size 1025 bytes
#pod
#pod $p->size; # "1025"
#pod $p->size_human; # "1.1 K"
#pod $p->size_human( {format => "iec"} ); # "1.1 KiB"
#pod
#pod Returns the size of a file. The C<size> method is just a wrapper around C<-s>.
#pod
#pod The C<size_human> method provides a human-readable string similar to
#pod C<ls -lh>. Like C<ls>, it rounds upwards and provides one decimal place for
#pod single-digit sizes and no decimal places for larger sizes. The only available
#pod option is C<format>, which has three valid values:
#pod
#pod =for :list
#pod * 'ls' (the default): base-2 sizes, with C<ls> style single-letter suffixes (K, M, etc.)
#pod * 'iec': base-2 sizes, with IEC binary suffixes (KiB, MiB, etc.)
#pod * 'si': base-10 sizes, with SI decimal suffixes (kB, MB, etc.)
#pod
#pod If C<-s> would return C<undef>, C<size_human> returns the empty string.
#pod
#pod Current API available since 0.122.
#pod
#pod =cut
sub size { -s $_[0]->[PATH] }
my %formats = (
'ls' => [ 1024, log(1024), [ "", map { " $_" } qw/K M G T/ ] ],
'iec' => [ 1024, log(1024), [ "", map { " $_" } qw/KiB MiB GiB TiB/ ] ],
'si' => [ 1000, log(1000), [ "", map { " $_" } qw/kB MB GB TB/ ] ],
);
sub _formats { return $formats{$_[0]} }
sub size_human {
my $self = shift;
my $args = _get_args( shift, qw/format/ );
my $format = defined $args->{format} ? $args->{format} : "ls";
my $fmt_opts = $formats{$format}
or Carp::croak("Invalid format '$format' for size_human()");
my $size = -s $self->[PATH];
return defined $size ? _human_size( $size, @$fmt_opts ) : "";
}
sub _ceil {
return $_[0] == int($_[0]) ? $_[0] : int($_[0]+1);
}
sub _human_size {
my ( $size, $base, $log_base, $suffixes ) = @_;
return "0" if $size == 0;
my $mag = int( log($size) / $log_base );
$size /= $base**$mag;
$size =
$mag == 0 ? $size
: length( int($size) ) == 1 ? _ceil( $size * 10 ) / 10
: _ceil($size);
if ( $size >= $base ) {
$size /= $base;
$mag++;
}
my $fmt = ( $mag == 0 || length( int($size) ) > 1 ) ? "%.0f%s" : "%.1f%s";
return sprintf( $fmt, $size, $suffixes->[$mag] );
}
#pod =method slurp, slurp_raw, slurp_utf8
#pod
#pod $data = path("foo.txt")->slurp;
#pod $data = path("foo.txt")->slurp( {binmode => ":raw"} );
#pod $data = path("foo.txt")->slurp_raw;
#pod $data = path("foo.txt")->slurp_utf8;
#pod
#pod Reads file contents into a scalar. Takes an optional hash reference which may
#pod be used to pass options. The only available option is C<binmode>, which is
#pod passed to C<binmode()> on the handle used for reading.
#pod
#pod C<slurp_raw> is like C<slurp> with a C<binmode> of C<:unix> for
#pod a fast, unbuffered, raw read.
#pod
#pod C<slurp_utf8> is like C<slurp> with a C<binmode> of
#pod C<:unix:encoding(UTF-8)> (or C<:unix:utf8_strict> with
#pod L<PerlIO::utf8_strict>). If L<Unicode::UTF8> 0.58+ is installed, a
#pod unbuffered, raw slurp will be done instead and the result decoded with
#pod C<Unicode::UTF8>. This is just as strict and is roughly an order of
#pod magnitude faster than using C<:encoding(UTF-8)>.
#pod
#pod B<Note>: C<slurp> and friends lock the filehandle before slurping. If
#pod you plan to slurp from a file created with L<File::Temp>, be sure to
#pod close other handles or open without locking to avoid a deadlock:
#pod
#pod my $tempfile = File::Temp->new(EXLOCK => 0);
#pod my $guts = path($tempfile)->slurp;
#pod
#pod Current API available since 0.004.
#pod
#pod =cut
sub slurp {
my $self = shift;
my $args = _get_args( shift, qw/binmode/ );
my $binmode = $args->{binmode};
$binmode = ( ( caller(0) )[10] || {} )->{'open<'} unless defined $binmode;
my $fh = $self->filehandle( { locked => 1 }, "<", $binmode );
if ( ( defined($binmode) ? $binmode : "" ) eq ":unix"
and my $size = -s $fh )
{
my $buf;
my $rc = read $fh, $buf, $size; # File::Slurp in a nutshell
$self->_throw('read') unless defined $rc;
return $buf;
}
else {
local $/;
my $buf = scalar <$fh>;
$self->_throw('read') unless defined $buf;
return $buf;
}
}
sub slurp_raw { $_[1] = { binmode => ":unix" }; goto &slurp }
sub slurp_utf8 {
if ( defined($HAS_UU) ? $HAS_UU : ( $HAS_UU = _check_UU() ) ) {
return Unicode::UTF8::decode_utf8( slurp( $_[0], { binmode => ":unix" } ) );
}
elsif ( defined($HAS_PU) ? $HAS_PU : ( $HAS_PU = _check_PU() ) ) {
$_[1] = { binmode => ":unix:utf8_strict" };
goto &slurp;
}
else {
$_[1] = { binmode => ":unix:encoding(UTF-8)" };
goto &slurp;
}
}
#pod =method spew, spew_raw, spew_utf8
#pod
#pod path("foo.txt")->spew(@data);
#pod path("foo.txt")->spew(\@data);
#pod path("foo.txt")->spew({binmode => ":raw"}, @data);
#pod path("foo.txt")->spew_raw(@data);
#pod path("foo.txt")->spew_utf8(@data);
#pod
#pod Writes data to a file atomically. The file is written to a temporary file in
#pod the same directory, then renamed over the original. An optional hash reference
#pod may be used to pass options. The only option is C<binmode>, which is passed to
#pod C<binmode()> on the handle used for writing.
#pod
#pod C<spew_raw> is like C<spew> with a C<binmode> of C<:unix> for a fast,
#pod unbuffered, raw write.
#pod
#pod C<spew_utf8> is like C<spew> with a C<binmode> of C<:unix:encoding(UTF-8)>
#pod (or C<:unix:utf8_strict> with L<PerlIO::utf8_strict>). If L<Unicode::UTF8>
#pod 0.58+ is installed, a raw, unbuffered spew will be done instead on the data
#pod encoded with C<Unicode::UTF8>.
#pod
#pod B<NOTE>: because the file is written to a temporary file and then renamed, the
#pod new file will wind up with permissions based on your current umask. This is a
#pod feature to protect you from a race condition that would otherwise give
#pod different permissions than you might expect. If you really want to keep the
#pod original mode flags, use L</append> with the C<truncate> option.
#pod
#pod Current API available since 0.011.
#pod
#pod =cut
sub spew {
my ( $self, @data ) = @_;
my $args = ( @data && ref $data[0] eq 'HASH' ) ? shift @data : {};
$args = _get_args( $args, qw/binmode/ );
my $binmode = $args->{binmode};
# get default binmode from caller's lexical scope (see "perldoc open")
$binmode = ( ( caller(0) )[10] || {} )->{'open>'} unless defined $binmode;
# writing needs to follow the link and create the tempfile in the same
# dir for later atomic rename
my $resolved_path = $self->_resolve_symlinks;
my $temp = $resolved_path->_replacment_path;
my $fh;
my $ok = eval { $fh = $temp->filehandle( { exclusive => 1, locked => 1 }, ">", $binmode ); 1 };
if (!$ok) {
my $msg = ref($@) eq 'Path::Tiny::Error'
? "error opening temp file '$@->{file}' for atomic write: $@->{err}"
: "error opening temp file for atomic write: $@";
$self->_throw('spew', $self->[PATH], $msg);
}
print( {$fh} map { ref eq 'ARRAY' ? @$_ : $_ } @data) or self->_throw('print', $temp->[PATH]);
close $fh or $self->_throw( 'close', $temp->[PATH] );
return $temp->move($resolved_path);
}
sub spew_raw { splice @_, 1, 0, { binmode => ":unix" }; goto &spew }
sub spew_utf8 {
if ( defined($HAS_UU) ? $HAS_UU : ( $HAS_UU = _check_UU() ) ) {
my $self = shift;
spew(
$self,
{ binmode => ":unix" },
map { Unicode::UTF8::encode_utf8($_) } map { ref eq 'ARRAY' ? @$_ : $_ } @_
);
}
elsif ( defined($HAS_PU) ? $HAS_PU : ( $HAS_PU = _check_PU() ) ) {
splice @_, 1, 0, { binmode => ":unix:utf8_strict" };
goto &spew;
}
else {
splice @_, 1, 0, { binmode => ":unix:encoding(UTF-8)" };
goto &spew;
}
}
#pod =method stat, lstat
#pod
#pod $stat = path("foo.txt")->stat;
#pod $stat = path("/some/symlink")->lstat;
#pod
#pod Like calling C<stat> or C<lstat> from L<File::stat>.
#pod
#pod Current API available since 0.001.
#pod
#pod =cut
# XXX break out individual stat() components as subs?
sub stat {
my $self = shift;
require File::stat;
return File::stat::stat( $self->[PATH] ) || $self->_throw('stat');
}
sub lstat {
my $self = shift;
require File::stat;
return File::stat::lstat( $self->[PATH] ) || $self->_throw('lstat');
}
#pod =method stringify
#pod
#pod $path = path("foo.txt");
#pod say $path->stringify; # same as "$path"
#pod
#pod Returns a string representation of the path. Unlike C<canonpath>, this method
#pod returns the path standardized with Unix-style C</> directory separators.
#pod
#pod Current API available since 0.001.
#pod
#pod =cut
sub stringify { $_[0]->[PATH] =~ /^~/ ? './' . $_[0]->[PATH] : $_[0]->[PATH] }
#pod =method subsumes
#pod
#pod path("foo/bar")->subsumes("foo/bar/baz"); # true
#pod path("/foo/bar")->subsumes("/foo/baz"); # false
#pod
#pod Returns true if the first path is a prefix of the second path at a directory
#pod boundary.
#pod
#pod This B<does not> resolve parent directory entries (C<..>) or symlinks:
#pod
#pod path("foo/bar")->subsumes("foo/bar/../baz"); # true
#pod
#pod If such things are important to you, ensure that both paths are resolved to
#pod the filesystem with C<realpath>:
#pod
#pod my $p1 = path("foo/bar")->realpath;
#pod my $p2 = path("foo/bar/../baz")->realpath;
#pod if ( $p1->subsumes($p2) ) { ... }
#pod
#pod Current API available since 0.048.
#pod
#pod =cut
sub subsumes {
my $self = shift;
Carp::croak("subsumes() requires a defined, positive-length argument")
unless defined $_[0];
my $other = _path(shift);
# normalize absolute vs relative
if ( $self->is_absolute && !$other->is_absolute ) {
$other = $other->absolute;
}
elsif ( $other->is_absolute && !$self->is_absolute ) {
$self = $self->absolute;
}
# normalize volume vs non-volume; do this after absolute path
# adjustments above since that might add volumes already
if ( length $self->volume && !length $other->volume ) {
$other = $other->absolute;
}
elsif ( length $other->volume && !length $self->volume ) {
$self = $self->absolute;
}
if ( $self->[PATH] eq '.' ) {
return !!1; # cwd subsumes everything relative
}
elsif ( $self->is_rootdir ) {
# a root directory ("/", "c:/") already ends with a separator
return $other->[PATH] =~ m{^\Q$self->[PATH]\E};
}
else {
# exact match or prefix breaking at a separator
return $other->[PATH] =~ m{^\Q$self->[PATH]\E(?:/|\z)};
}
}
#pod =method touch
#pod
#pod path("foo.txt")->touch;
#pod path("foo.txt")->touch($epoch_secs);
#pod
#pod Like the Unix C<touch> utility. Creates the file if it doesn't exist, or else
#pod changes the modification and access times to the current time. If the first
#pod argument is the epoch seconds then it will be used.
#pod
#pod Returns the path object so it can be easily chained with other methods:
#pod
#pod # won't die if foo.txt doesn't exist
#pod $content = path("foo.txt")->touch->slurp;
#pod
#pod Current API available since 0.015.
#pod
#pod =cut
sub touch {
my ( $self, $epoch ) = @_;
if ( !-e $self->[PATH] ) {
my $fh = $self->openw;
close $fh or $self->_throw('close');
}
if ( defined $epoch ) {
utime $epoch, $epoch, $self->[PATH]
or $self->_throw("utime ($epoch)");
}
else {
# literal undef prevents warnings :-(
utime undef, undef, $self->[PATH]
or $self->_throw("utime ()");
}
return $self;
}
#pod =method touchpath
#pod
#pod path("bar/baz/foo.txt")->touchpath;
#pod
#pod Combines C<mkdir> and C<touch>. Creates the parent directory if it doesn't exist,
#pod before touching the file. Returns the path object like C<touch> does.
#pod
#pod If you need to pass options, use C<mkdir> and C<touch> separately:
#pod
#pod path("bar/baz")->mkdir( \%options )->child("foo.txt")->touch($epoch_secs);
#pod
#pod Current API available since 0.022.
#pod
#pod =cut
sub touchpath {
my ($self) = @_;
my $parent = $self->parent;
$parent->mkdir unless $parent->exists;
$self->touch;
}
#pod =method visit
#pod
#pod path("/tmp")->visit( \&callback, \%options );
#pod
#pod Executes a callback for each child of a directory. It returns a hash
#pod reference with any state accumulated during iteration.
#pod
#pod The options are the same as for L</iterator> (which it uses internally):
#pod C<recurse> and C<follow_symlinks>. Both default to false.
#pod
#pod The callback function will receive a C<Path::Tiny> object as the first argument
#pod and a hash reference to accumulate state as the second argument. For example:
#pod
#pod # collect files sizes
#pod my $sizes = path("/tmp")->visit(
#pod sub {
#pod my ($path, $state) = @_;
#pod return if $path->is_dir;
#pod $state->{$path} = -s $path;
#pod },
#pod { recurse => 1 }
#pod );
#pod
#pod For convenience, the C<Path::Tiny> object will also be locally aliased as the
#pod C<$_> global variable:
#pod
#pod # print paths matching /foo/
#pod path("/tmp")->visit( sub { say if /foo/ }, { recurse => 1} );
#pod
#pod If the callback returns a B<reference> to a false scalar value, iteration will
#pod terminate. This is not the same as "pruning" a directory search; this just
#pod stops all iteration and returns the state hash reference.
#pod
#pod # find up to 10 files larger than 100K
#pod my $files = path("/tmp")->visit(
#pod sub {
#pod my ($path, $state) = @_;
#pod $state->{$path}++ if -s $path > 102400
#pod return \0 if keys %$state == 10;
#pod },
#pod { recurse => 1 }
#pod );
#pod
#pod If you want more flexible iteration, use a module like L<Path::Iterator::Rule>.
#pod
#pod Current API available since 0.062.
#pod
#pod =cut
sub visit {
my $self = shift;
my $cb = shift;
my $args = _get_args( shift, qw/recurse follow_symlinks/ );
Carp::croak("Callback for visit() must be a code reference")
unless defined($cb) && ref($cb) eq 'CODE';
my $next = $self->iterator($args);
my $state = {};
while ( my $file = $next->() ) {
local $_ = $file;
my $r = $cb->( $file, $state );
last if ref($r) eq 'SCALAR' && !$$r;
}
return $state;
}
#pod =method volume
#pod
#pod $vol = path("/tmp/foo.txt")->volume; # ""
#pod $vol = path("C:/tmp/foo.txt")->volume; # "C:"
#pod
#pod Returns the volume portion of the path. This is equivalent
#pod to what L<File::Spec> would give from C<splitpath> and thus
#pod usually is the empty string on Unix-like operating systems or the
#pod drive letter for an absolute path on C<MSWin32>.
#pod
#pod Current API available since 0.001.
#pod
#pod =cut
sub volume {
my ($self) = @_;
$self->_splitpath unless defined $self->[VOL];
return $self->[VOL];
}
package Path::Tiny::Error;
our @CARP_NOT = qw/Path::Tiny/;
use overload ( q{""} => sub { (shift)->{msg} }, fallback => 1 );
sub throw {
my ( $class, $op, $file, $err ) = @_;
chomp( my $trace = Carp::shortmess );
my $msg = "Error $op on '$file': $err$trace\n";
die bless { op => $op, file => $file, err => $err, msg => $msg }, $class;
}
1;
# vim: ts=4 sts=4 sw=4 et:
__END__
=pod
=encoding UTF-8
=head1 NAME
Path::Tiny - File path utility
=head1 VERSION
version 0.146
=head1 SYNOPSIS
use Path::Tiny;
# Creating Path::Tiny objects
my $dir = path("/tmp");
my $foo = path("foo.txt");
my $subdir = $dir->child("foo");
my $bar = $subdir->child("bar.txt");
# Stringifies as cleaned up path
my $file = path("./foo.txt");
print $file; # "foo.txt"
# Reading files
my $guts = $file->slurp;
$guts = $file->slurp_utf8;
my @lines = $file->lines;
@lines = $file->lines_utf8;
my ($head) = $file->lines( {count => 1} );
my ($tail) = $file->lines( {count => -1} );
# Writing files
$bar->spew( @data );
$bar->spew_utf8( @data );
# Reading directories
for ( $dir->children ) { ... }
my $iter = $dir->iterator;
while ( my $next = $iter->() ) { ... }
=head1 DESCRIPTION
This module provides a small, fast utility for working with file paths. It is
friendlier to use than L<File::Spec> and provides easy access to functions from
several other core file handling modules. It aims to be smaller and faster
than many alternatives on CPAN, while helping people do many common things in
consistent and less error-prone ways.
Path::Tiny does not try to work for anything except Unix-like and Win32
platforms. Even then, it might break if you try something particularly obscure
or tortuous. (Quick! What does this mean:
C<< ///../../..//./././a//b/.././c/././ >>? And how does it differ on Win32?)
All paths are forced to have Unix-style forward slashes. Stringifying
the object gives you back the path (after some clean up).
File input/output methods C<flock> handles before reading or writing,
as appropriate (if supported by the platform and/or filesystem).
The C<*_utf8> methods (C<slurp_utf8>, C<lines_utf8>, etc.) operate in raw
mode. On Windows, that means they will not have CRLF translation from the
C<:crlf> IO layer. Installing L<Unicode::UTF8> 0.58 or later will speed up
C<*_utf8> situations in many cases and is highly recommended.
Alternatively, installing L<PerlIO::utf8_strict> 0.003 or later will be
used in place of the default C<:encoding(UTF-8)>.
This module depends heavily on PerlIO layers for correct operation and thus
requires Perl 5.008001 or later.
=head1 CONSTRUCTORS
=head2 path
$path = path("foo/bar");
$path = path("/tmp", "file.txt"); # list
$path = path("."); # cwd
Constructs a C<Path::Tiny> object. It doesn't matter if you give a file or
directory path. It's still up to you to call directory-like methods only on
directories and file-like methods only on files. This function is exported
automatically by default.
The first argument must be defined and have non-zero length or an exception
will be thrown. This prevents subtle, dangerous errors with code like
C<< path( maybe_undef() )->remove_tree >>.
B<DEPRECATED>: If and only if the B<first> character of the B<first> argument
to C<path> is a tilde ('~'), then tilde replacement will be applied to the
first path segment. A single tilde will be replaced with C<glob('~')> and a
tilde followed by a username will be replaced with output of
C<glob('~username')>. B<No other method does tilde expansion on its arguments>.
See L</Tilde expansion (deprecated)> for more.
On Windows, if the path consists of a drive identifier without a path component
(C<C:> or C<D:>), it will be expanded to the absolute path of the current
directory on that volume using C<Cwd::getdcwd()>.
If called with a single C<Path::Tiny> argument, the original is returned unless
the original is holding a temporary file or directory reference in which case a
stringified copy is made.
$path = path("foo/bar");
$temp = Path::Tiny->tempfile;
$p2 = path($path); # like $p2 = $path
$t2 = path($temp); # like $t2 = path( "$temp" )
This optimizes copies without proliferating references unexpectedly if a copy is
made by code outside your control.
Current API available since 0.017.
=head2 new
$path = Path::Tiny->new("foo/bar");
This is just like C<path>, but with method call overhead. (Why would you
do that?)
Current API available since 0.001.
=head2 cwd
$path = Path::Tiny->cwd; # path( Cwd::getcwd )
$path = cwd; # optional export
Gives you the absolute path to the current directory as a C<Path::Tiny> object.
This is slightly faster than C<< path(".")->absolute >>.
C<cwd> may be exported on request and used as a function instead of as a
method.
Current API available since 0.018.
=head2 rootdir
$path = Path::Tiny->rootdir; # /
$path = rootdir; # optional export
Gives you C<< File::Spec->rootdir >> as a C<Path::Tiny> object if you're too
picky for C<path("/")>.
C<rootdir> may be exported on request and used as a function instead of as a
method.
Current API available since 0.018.
=head2 tempfile, tempdir
$temp = Path::Tiny->tempfile( @options );
$temp = Path::Tiny->tempdir( @options );
$temp = $dirpath->tempfile( @options );
$temp = $dirpath->tempdir( @options );
$temp = tempfile( @options ); # optional export
$temp = tempdir( @options ); # optional export
C<tempfile> passes the options to C<< File::Temp->new >> and returns a
C<Path::Tiny> object with the file name. The C<TMPDIR> option will be enabled
by default, but you can override that by passing C<< TMPDIR => 0 >> along with
the options. (If you use an absolute C<TEMPLATE> option, you will want to
disable C<TMPDIR>.)
The resulting C<File::Temp> object is cached. When the C<Path::Tiny> object is
destroyed, the C<File::Temp> object will be as well.
C<File::Temp> annoyingly requires you to specify a custom template in slightly
different ways depending on which function or method you call, but
C<Path::Tiny> lets you ignore that and can take either a leading template or a
C<TEMPLATE> option and does the right thing.
$temp = Path::Tiny->tempfile( "customXXXXXXXX" ); # ok
$temp = Path::Tiny->tempfile( TEMPLATE => "customXXXXXXXX" ); # ok
The tempfile path object will be normalized to have an absolute path, even if
created in a relative directory using C<DIR>. If you want it to have
the C<realpath> instead, pass a leading options hash like this:
$real_temp = tempfile({realpath => 1}, @options);
C<tempdir> is just like C<tempfile>, except it calls
C<< File::Temp->newdir >> instead.
Both C<tempfile> and C<tempdir> may be exported on request and used as
functions instead of as methods.
The methods can be called on an instances representing a
directory. In this case, the directory is used as the base to create the
temporary file/directory, setting the C<DIR> option in File::Temp.
my $target_dir = path('/to/destination');
my $tempfile = $target_dir->tempfile('foobarXXXXXX');
$tempfile->spew('A lot of data...'); # not atomic
$tempfile->move($target_dir->child('foobar')); # hopefully atomic
In this case, any value set for option C<DIR> is ignored.
B<Note>: for tempfiles, the filehandles from File::Temp are closed and not
reused. This is not as secure as using File::Temp handles directly, but is
less prone to deadlocks or access problems on some platforms. Think of what
C<Path::Tiny> gives you to be just a temporary file B<name> that gets cleaned
up.
B<Note 2>: if you don't want these cleaned up automatically when the object
is destroyed, File::Temp requires different options for directories and
files. Use C<< CLEANUP => 0 >> for directories and C<< UNLINK => 0 >> for
files.
B<Note 3>: Don't lose the temporary object by chaining a method call instead
of storing it:
my $lost = tempdir()->child("foo"); # tempdir cleaned up right away
B<Note 4>: The cached object may be accessed with the L</cached_temp> method.
Keeping a reference to, or modifying the cached object may break the
behavior documented above and is not supported. Use at your own risk.
Current API available since 0.119.
=head1 METHODS
=head2 absolute
$abs = path("foo/bar")->absolute;
$abs = path("foo/bar")->absolute("/tmp");
Returns a new C<Path::Tiny> object with an absolute path (or itself if already
absolute). If no argument is given, the current directory is used as the
absolute base path. If an argument is given, it will be converted to an
absolute path (if it is not already) and used as the absolute base path.
This will not resolve upward directories ("foo/../bar") unless C<canonpath>
in L<File::Spec> would normally do so on your platform. If you need them
resolved, you must call the more expensive C<realpath> method instead.
On Windows, an absolute path without a volume component will have it added
based on the current drive.
Current API available since 0.101.
=head2 append, append_raw, append_utf8
path("foo.txt")->append(@data);
path("foo.txt")->append(\@data);
path("foo.txt")->append({binmode => ":raw"}, @data);
path("foo.txt")->append_raw(@data);
path("foo.txt")->append_utf8(@data);
Appends data to a file. The file is locked with C<flock> prior to writing
and closed afterwards. An optional hash reference may be used to pass
options. Valid options are:
=over 4
=item *
C<binmode>: passed to C<binmode()> on the handle used for writing.
=item *
C<truncate>: truncates the file after locking and before appending
=back
The C<truncate> option is a way to replace the contents of a file
B<in place>, unlike L</spew> which writes to a temporary file and then
replaces the original (if it exists).
C<append_raw> is like C<append> with a C<binmode> of C<:unix> for a fast,
unbuffered, raw write.
C<append_utf8> is like C<append> with an unbuffered C<binmode>
C<:unix:encoding(UTF-8)> (or C<:unix:utf8_strict> with
L<PerlIO::utf8_strict>). If L<Unicode::UTF8> 0.58+ is installed, an
unbuffered, raw append will be done instead on the data encoded with
C<Unicode::UTF8>.
Current API available since 0.060.
=head2 assert
$path = path("foo.txt")->assert( sub { $_->exists } );
Returns the invocant after asserting that a code reference argument returns
true. When the assertion code reference runs, it will have the invocant
object in the C<$_> variable. If it returns false, an exception will be
thrown. The assertion code reference may also throw its own exception.
If no assertion is provided, the invocant is returned without error.
Current API available since 0.062.
=head2 basename
$name = path("foo/bar.txt")->basename; # bar.txt
$name = path("foo.txt")->basename('.txt'); # foo
$name = path("foo.txt")->basename(qr/.txt/); # foo
$name = path("foo.txt")->basename(@suffixes);
Returns the file portion or last directory portion of a path.
Given a list of suffixes as strings or regular expressions, any that match at
the end of the file portion or last directory portion will be removed before
the result is returned.
Current API available since 0.054.
=head2 canonpath
$canonical = path("foo/bar")->canonpath; # foo\bar on Windows
Returns a string with the canonical format of the path name for
the platform. In particular, this means directory separators
will be C<\> on Windows.
Current API available since 0.001.
=head2 cached_temp
Returns the cached C<File::Temp> or C<File::Temp::Dir> object if the
C<Path::Tiny> object was created with C</tempfile> or C</tempdir>.
If there is no such object, this method throws.
B<WARNING>: Keeping a reference to, or modifying the cached object may
break the behavior documented for temporary files and directories created
with C<Path::Tiny> and is not supported. Use at your own risk.
Current API available since 0.101.
=head2 child
$file = path("/tmp")->child("foo.txt"); # "/tmp/foo.txt"
$file = path("/tmp")->child(@parts);
Returns a new C<Path::Tiny> object relative to the original. Works
like C<catfile> or C<catdir> from File::Spec, but without caring about
file or directories.
B<WARNING>: because the argument could contain C<..> or refer to symlinks,
there is no guarantee that the new path refers to an actual descendent of
the original. If this is important to you, transform parent and child with
L</realpath> and check them with L</subsumes>.
Current API available since 0.001.
=head2 children
@paths = path("/tmp")->children;
@paths = path("/tmp")->children( qr/\.txt\z/ );
Returns a list of C<Path::Tiny> objects for all files and directories
within a directory. Excludes "." and ".." automatically.
If an optional C<qr//> argument is provided, it only returns objects for child
names that match the given regular expression. Only the base name is used
for matching:
@paths = path("/tmp")->children( qr/^foo/ );
# matches children like the glob foo*
Current API available since 0.028.
=head2 chmod
path("foo.txt")->chmod(0777);
path("foo.txt")->chmod("0755");
path("foo.txt")->chmod("go-w");
path("foo.txt")->chmod("a=r,u+wx");
Sets file or directory permissions. The argument can be a numeric mode, a
octal string beginning with a "0" or a limited subset of the symbolic mode use
by F</bin/chmod>.
The symbolic mode must be a comma-delimited list of mode clauses. Clauses must
match C<< qr/\A([augo]+)([=+-])([rwx]+)\z/ >>, which defines "who", "op" and
"perms" parameters for each clause. Unlike F</bin/chmod>, all three parameters
are required for each clause, multiple ops are not allowed and permissions
C<stugoX> are not supported. (See L<File::chmod> for more complex needs.)
Current API available since 0.053.
=head2 copy
path("/tmp/foo.txt")->copy("/tmp/bar.txt");
Copies the current path to the given destination using L<File::Copy>'s
C<copy> function. Upon success, returns the C<Path::Tiny> object for the
newly copied file.
Current API available since 0.070.
=head2 digest
$obj = path("/tmp/foo.txt")->digest; # SHA-256
$obj = path("/tmp/foo.txt")->digest("MD5"); # user-selected
$obj = path("/tmp/foo.txt")->digest( { chunk_size => 1e6 }, "MD5" );
Returns a hexadecimal digest for a file. An optional hash reference of options may
be given. The only option is C<chunk_size>. If C<chunk_size> is given, that many
bytes will be read at a time. If not provided, the entire file will be slurped
into memory to compute the digest.
Any subsequent arguments are passed to the constructor for L<Digest> to select
an algorithm. If no arguments are given, the default is SHA-256.
Current API available since 0.056.
=head2 dirname (deprecated)
$name = path("/tmp/foo.txt")->dirname; # "/tmp/"
Returns the directory portion you would get from calling
C<< File::Spec->splitpath( $path->stringify ) >> or C<"."> for a path without a
parent directory portion. Because L<File::Spec> is inconsistent, the result
might or might not have a trailing slash. Because of this, this method is
B<deprecated>.
A better, more consistently approach is likely C<< $path->parent->stringify >>,
which will not have a trailing slash except for a root directory.
Deprecated in 0.056.
=head2 edit, edit_raw, edit_utf8
path("foo.txt")->edit( \&callback, $options );
path("foo.txt")->edit_utf8( \&callback );
path("foo.txt")->edit_raw( \&callback );
These are convenience methods that allow "editing" a file using a single
callback argument. They slurp the file using C<slurp>, place the contents
inside a localized C<$_> variable, call the callback function (without
arguments), and then write C<$_> (presumably mutated) back to the
file with C<spew>.
An optional hash reference may be used to pass options. The only option is
C<binmode>, which is passed to C<slurp> and C<spew>.
C<edit_utf8> and C<edit_raw> act like their respective C<slurp_*> and
C<spew_*> methods.
Current API available since 0.077.
=head2 edit_lines, edit_lines_utf8, edit_lines_raw
path("foo.txt")->edit_lines( \&callback, $options );
path("foo.txt")->edit_lines_utf8( \&callback );
path("foo.txt")->edit_lines_raw( \&callback );
These are convenience methods that allow "editing" a file's lines using a
single callback argument. They iterate over the file: for each line, the
line is put into a localized C<$_> variable, the callback function is
executed (without arguments) and then C<$_> is written to a temporary file.
When iteration is finished, the temporary file is atomically renamed over
the original.
An optional hash reference may be used to pass options. The only option is
C<binmode>, which is passed to the method that open handles for reading and
writing.
C<edit_lines_raw> is like C<edit_lines> with a buffered C<binmode> of
C<:raw>.
C<edit_lines_utf8> is like C<edit_lines> with a buffered C<binmode>
C<:raw:encoding(UTF-8)> (or C<:raw:utf8_strict> with
L<PerlIO::utf8_strict>).
Current API available since 0.077.
=head2 exists, is_file, is_dir
if ( path("/tmp")->exists ) { ... } # -e
if ( path("/tmp")->is_dir ) { ... } # -d
if ( path("/tmp")->is_file ) { ... } # -e && ! -d
Implements file test operations, this means the file or directory actually has
to exist on the filesystem. Until then, it's just a path.
B<Note>: C<is_file> is not C<-f> because C<-f> is not the opposite of C<-d>.
C<-f> means "plain file", excluding symlinks, devices, etc. that often can be
read just like files.
Use C<-f> instead if you really mean to check for a plain file.
Current API available since 0.053.
=head2 filehandle
$fh = path("/tmp/foo.txt")->filehandle($mode, $binmode);
$fh = path("/tmp/foo.txt")->filehandle({ locked => 1 }, $mode, $binmode);
$fh = path("/tmp/foo.txt")->filehandle({ exclusive => 1 }, $mode, $binmode);
Returns an open file handle. The C<$mode> argument must be a Perl-style
read/write mode string ("<" ,">", ">>", etc.). If a C<$binmode>
is given, it is set during the C<open> call.
An optional hash reference may be used to pass options.
The C<locked> option governs file locking; if true, handles opened for writing,
appending or read-write are locked with C<LOCK_EX>; otherwise, they are
locked with C<LOCK_SH>. When using C<locked>, ">" or "+>" modes will delay
truncation until after the lock is acquired.
The C<exclusive> option causes the open() call to fail if the file already
exists. This corresponds to the O_EXCL flag to sysopen / open(2).
C<exclusive> implies C<locked> and will set it for you if you forget it.
See C<openr>, C<openw>, C<openrw>, and C<opena> for sugar.
Current API available since 0.066.
=head2 has_same_bytes
if ( path("foo.txt")->has_same_bytes("bar.txt") ) {
# ...
}
This method returns true if both the invocant and the argument can be opened as
file handles and the handles contain the same bytes. It returns false if their
contents differ. If either can't be opened as a file (e.g. a directory or
non-existent file), the method throws an exception. If both can be opened and
both have the same C<realpath>, the method returns true without scanning any
data.
Current API available since 0.125.
=head2 is_absolute, is_relative
if ( path("/tmp")->is_absolute ) { ... }
if ( path("/tmp")->is_relative ) { ... }
Booleans for whether the path appears absolute or relative.
Current API available since 0.001.
=head2 is_rootdir
while ( ! $path->is_rootdir ) {
$path = $path->parent;
...
}
Boolean for whether the path is the root directory of the volume. I.e. the
C<dirname> is C<q[/]> and the C<basename> is C<q[]>.
This works even on C<MSWin32> with drives and UNC volumes:
path("C:/")->is_rootdir; # true
path("//server/share/")->is_rootdir; #true
Current API available since 0.038.
=head2 iterator
$iter = path("/tmp")->iterator( \%options );
Returns a code reference that walks a directory lazily. Each invocation
returns a C<Path::Tiny> object or undef when the iterator is exhausted.
$iter = path("/tmp")->iterator;
while ( $path = $iter->() ) {
...
}
The current and parent directory entries ("." and "..") will not
be included.
If the C<recurse> option is true, the iterator will walk the directory
recursively, breadth-first. If the C<follow_symlinks> option is also true,
directory links will be followed recursively. There is no protection against
loops when following links. If a directory is not readable, it will not be
followed.
The default is the same as:
$iter = path("/tmp")->iterator( {
recurse => 0,
follow_symlinks => 0,
} );
For a more powerful, recursive iterator with built-in loop avoidance, see
L<Path::Iterator::Rule>.
See also L</visit>.
Current API available since 0.016.
=head2 lines, lines_raw, lines_utf8
@contents = path("/tmp/foo.txt")->lines;
@contents = path("/tmp/foo.txt")->lines(\%options);
@contents = path("/tmp/foo.txt")->lines_raw;
@contents = path("/tmp/foo.txt")->lines_utf8;
@contents = path("/tmp/foo.txt")->lines( { chomp => 1, count => 4 } );
Returns a list of lines from a file. Optionally takes a hash-reference of
options. Valid options are C<binmode>, C<count> and C<chomp>.
If C<binmode> is provided, it will be set on the handle prior to reading.
If a positive C<count> is provided, that many lines will be returned from the
start of the file. If a negative C<count> is provided, the entire file will be
read, but only C<abs(count)> will be kept and returned. If C<abs(count)>
exceeds the number of lines in the file, all lines will be returned.
If C<chomp> is set, any end-of-line character sequences (C<CR>, C<CRLF>, or
C<LF>) will be removed from the lines returned.
Because the return is a list, C<lines> in scalar context will return the number
of lines (and throw away the data).
$number_of_lines = path("/tmp/foo.txt")->lines;
C<lines_raw> is like C<lines> with a C<binmode> of C<:raw>. We use C<:raw>
instead of C<:unix> so PerlIO buffering can manage reading by line.
C<lines_utf8> is like C<lines> with a C<binmode> of C<:raw:encoding(UTF-8)>
(or C<:raw:utf8_strict> with L<PerlIO::utf8_strict>). If L<Unicode::UTF8>
0.58+ is installed, a raw, unbuffered UTF-8 slurp will be done and then the
lines will be split. This is actually faster than relying on
IO layers, though a bit memory intensive. If memory use is a
concern, consider C<openr_utf8> and iterating directly on the handle.
Current API available since 0.065.
=head2 mkdir
path("foo/bar/baz")->mkdir;
path("foo/bar/baz")->mkdir( \%options );
Like calling C<make_path> from L<File::Path>. An optional hash reference
is passed through to C<make_path>. Errors will be trapped and an exception
thrown. Returns the the path object to facilitate chaining.
B<NOTE>: unlike Perl's builtin C<mkdir>, this will create intermediate paths
similar to the Unix C<mkdir -p> command. It will not error if applied to an
existing directory.
Current API available since 0.125.
=head2 mkpath (deprecated)
Like calling C<mkdir>, but returns the list of directories created or an empty list if
the directories already exist, just like C<make_path>.
Deprecated in 0.125.
=head2 move
path("foo.txt")->move("bar.txt");
Moves the current path to the given destination using L<File::Copy>'s
C<move> function. Upon success, returns the C<Path::Tiny> object for the
newly moved file.
If the destination already exists and is a directory, and the source is not a
directory, then the source file will be renamed into the directory
specified by the destination.
If possible, move() will simply rename the file. Otherwise, it
copies the file to the new location and deletes the original. If an
error occurs during this copy-and-delete process, you may be left
with a (possibly partial) copy of the file under the destination
name.
Current API available since 0.124. Prior versions used Perl's
-built-in (and less robust) L<rename|perlfunc/rename> function
and did not return an object.
=head2 openr, openw, openrw, opena
$fh = path("foo.txt")->openr($binmode); # read
$fh = path("foo.txt")->openr_raw;
$fh = path("foo.txt")->openr_utf8;
$fh = path("foo.txt")->openw($binmode); # write
$fh = path("foo.txt")->openw_raw;
$fh = path("foo.txt")->openw_utf8;
$fh = path("foo.txt")->opena($binmode); # append
$fh = path("foo.txt")->opena_raw;
$fh = path("foo.txt")->opena_utf8;
$fh = path("foo.txt")->openrw($binmode); # read/write
$fh = path("foo.txt")->openrw_raw;
$fh = path("foo.txt")->openrw_utf8;
Returns a file handle opened in the specified mode. The C<openr> style methods
take a single C<binmode> argument. All of the C<open*> methods have
C<open*_raw> and C<open*_utf8> equivalents that use buffered I/O layers C<:raw>
and C<:raw:encoding(UTF-8)> (or C<:raw:utf8_strict> with
L<PerlIO::utf8_strict>).
An optional hash reference may be used to pass options. The only option is
C<locked>. If true, handles opened for writing, appending or read-write are
locked with C<LOCK_EX>; otherwise, they are locked for C<LOCK_SH>.
$fh = path("foo.txt")->openrw_utf8( { locked => 1 } );
See L</filehandle> for more on locking.
Current API available since 0.011.
=head2 parent
$parent = path("foo/bar/baz")->parent; # foo/bar
$parent = path("foo/wibble.txt")->parent; # foo
$parent = path("foo/bar/baz")->parent(2); # foo
Returns a C<Path::Tiny> object corresponding to the parent directory of the
original directory or file. An optional positive integer argument is the number
of parent directories upwards to return. C<parent> by itself is equivalent to
C<parent(1)>.
Current API available since 0.014.
=head2 realpath
$real = path("/baz/foo/../bar")->realpath;
$real = path("foo/../bar")->realpath;
Returns a new C<Path::Tiny> object with all symbolic links and upward directory
parts resolved using L<Cwd>'s C<realpath>. Compared to C<absolute>, this is
more expensive as it must actually consult the filesystem.
If the parent path can't be resolved (e.g. if it includes directories that
don't exist), an exception will be thrown:
$real = path("doesnt_exist/foo")->realpath; # dies
However, if the parent path exists and only the last component (e.g. filename)
doesn't exist, the realpath will be the realpath of the parent plus the
non-existent last component:
$real = path("./aasdlfasdlf")->realpath; # works
The underlying L<Cwd> module usually worked this way on Unix, but died on
Windows (and some Unixes) if the full path didn't exist. As of version 0.064,
it's safe to use anywhere.
Current API available since 0.001.
=head2 relative
$rel = path("/tmp/foo/bar")->relative("/tmp"); # foo/bar
Returns a C<Path::Tiny> object with a path relative to a new base path
given as an argument. If no argument is given, the current directory will
be used as the new base path.
If either path is already relative, it will be made absolute based on the
current directly before determining the new relative path.
The algorithm is roughly as follows:
=over 4
=item *
If the original and new base path are on different volumes, an exception will be thrown.
=item *
If the original and new base are identical, the relative path is C<".">.
=item *
If the new base subsumes the original, the relative path is the original path with the new base chopped off the front
=item *
If the new base does not subsume the original, a common prefix path is determined (possibly the root directory) and the relative path will consist of updirs (C<"..">) to reach the common prefix, followed by the original path less the common prefix.
=back
Unlike C<File::Spec::abs2rel>, in the last case above, the calculation based
on a common prefix takes into account symlinks that could affect the updir
process. Given an original path "/A/B" and a new base "/A/C",
(where "A", "B" and "C" could each have multiple path components):
=over 4
=item *
Symlinks in "A" don't change the result unless the last component of A is a symlink and the first component of "C" is an updir.
=item *
Symlinks in "B" don't change the result and will exist in the result as given.
=item *
Symlinks and updirs in "C" must be resolved to actual paths, taking into account the possibility that not all path components might exist on the filesystem.
=back
Current API available since 0.001. New algorithm (that accounts for
symlinks) available since 0.079.
=head2 remove
path("foo.txt")->remove;
This is just like C<unlink>, except for its error handling: if the path does
not exist, it returns false; if deleting the file fails, it throws an
exception.
Current API available since 0.012.
=head2 remove_tree
# directory
path("foo/bar/baz")->remove_tree;
path("foo/bar/baz")->remove_tree( \%options );
path("foo/bar/baz")->remove_tree( { safe => 0 } ); # force remove
Like calling C<remove_tree> from L<File::Path>, but defaults to C<safe> mode.
An optional hash reference is passed through to C<remove_tree>. Errors will be
trapped and an exception thrown. Returns the number of directories deleted,
just like C<remove_tree>.
If you want to remove a directory only if it is empty, use the built-in
C<rmdir> function instead.
rmdir path("foo/bar/baz/");
Current API available since 0.013.
=head2 sibling
$foo = path("/tmp/foo.txt");
$sib = $foo->sibling("bar.txt"); # /tmp/bar.txt
$sib = $foo->sibling("baz", "bam.txt"); # /tmp/baz/bam.txt
Returns a new C<Path::Tiny> object relative to the parent of the original.
This is slightly more efficient than C<< $path->parent->child(...) >>.
Current API available since 0.058.
=head2 size, size_human
my $p = path("foo"); # with size 1025 bytes
$p->size; # "1025"
$p->size_human; # "1.1 K"
$p->size_human( {format => "iec"} ); # "1.1 KiB"
Returns the size of a file. The C<size> method is just a wrapper around C<-s>.
The C<size_human> method provides a human-readable string similar to
C<ls -lh>. Like C<ls>, it rounds upwards and provides one decimal place for
single-digit sizes and no decimal places for larger sizes. The only available
option is C<format>, which has three valid values:
=over 4
=item *
'ls' (the default): base-2 sizes, with C<ls> style single-letter suffixes (K, M, etc.)
=item *
'iec': base-2 sizes, with IEC binary suffixes (KiB, MiB, etc.)
=item *
'si': base-10 sizes, with SI decimal suffixes (kB, MB, etc.)
=back
If C<-s> would return C<undef>, C<size_human> returns the empty string.
Current API available since 0.122.
=head2 slurp, slurp_raw, slurp_utf8
$data = path("foo.txt")->slurp;
$data = path("foo.txt")->slurp( {binmode => ":raw"} );
$data = path("foo.txt")->slurp_raw;
$data = path("foo.txt")->slurp_utf8;
Reads file contents into a scalar. Takes an optional hash reference which may
be used to pass options. The only available option is C<binmode>, which is
passed to C<binmode()> on the handle used for reading.
C<slurp_raw> is like C<slurp> with a C<binmode> of C<:unix> for
a fast, unbuffered, raw read.
C<slurp_utf8> is like C<slurp> with a C<binmode> of
C<:unix:encoding(UTF-8)> (or C<:unix:utf8_strict> with
L<PerlIO::utf8_strict>). If L<Unicode::UTF8> 0.58+ is installed, a
unbuffered, raw slurp will be done instead and the result decoded with
C<Unicode::UTF8>. This is just as strict and is roughly an order of
magnitude faster than using C<:encoding(UTF-8)>.
B<Note>: C<slurp> and friends lock the filehandle before slurping. If
you plan to slurp from a file created with L<File::Temp>, be sure to
close other handles or open without locking to avoid a deadlock:
my $tempfile = File::Temp->new(EXLOCK => 0);
my $guts = path($tempfile)->slurp;
Current API available since 0.004.
=head2 spew, spew_raw, spew_utf8
path("foo.txt")->spew(@data);
path("foo.txt")->spew(\@data);
path("foo.txt")->spew({binmode => ":raw"}, @data);
path("foo.txt")->spew_raw(@data);
path("foo.txt")->spew_utf8(@data);
Writes data to a file atomically. The file is written to a temporary file in
the same directory, then renamed over the original. An optional hash reference
may be used to pass options. The only option is C<binmode>, which is passed to
C<binmode()> on the handle used for writing.
C<spew_raw> is like C<spew> with a C<binmode> of C<:unix> for a fast,
unbuffered, raw write.
C<spew_utf8> is like C<spew> with a C<binmode> of C<:unix:encoding(UTF-8)>
(or C<:unix:utf8_strict> with L<PerlIO::utf8_strict>). If L<Unicode::UTF8>
0.58+ is installed, a raw, unbuffered spew will be done instead on the data
encoded with C<Unicode::UTF8>.
B<NOTE>: because the file is written to a temporary file and then renamed, the
new file will wind up with permissions based on your current umask. This is a
feature to protect you from a race condition that would otherwise give
different permissions than you might expect. If you really want to keep the
original mode flags, use L</append> with the C<truncate> option.
Current API available since 0.011.
=head2 stat, lstat
$stat = path("foo.txt")->stat;
$stat = path("/some/symlink")->lstat;
Like calling C<stat> or C<lstat> from L<File::stat>.
Current API available since 0.001.
=head2 stringify
$path = path("foo.txt");
say $path->stringify; # same as "$path"
Returns a string representation of the path. Unlike C<canonpath>, this method
returns the path standardized with Unix-style C</> directory separators.
Current API available since 0.001.
=head2 subsumes
path("foo/bar")->subsumes("foo/bar/baz"); # true
path("/foo/bar")->subsumes("/foo/baz"); # false
Returns true if the first path is a prefix of the second path at a directory
boundary.
This B<does not> resolve parent directory entries (C<..>) or symlinks:
path("foo/bar")->subsumes("foo/bar/../baz"); # true
If such things are important to you, ensure that both paths are resolved to
the filesystem with C<realpath>:
my $p1 = path("foo/bar")->realpath;
my $p2 = path("foo/bar/../baz")->realpath;
if ( $p1->subsumes($p2) ) { ... }
Current API available since 0.048.
=head2 touch
path("foo.txt")->touch;
path("foo.txt")->touch($epoch_secs);
Like the Unix C<touch> utility. Creates the file if it doesn't exist, or else
changes the modification and access times to the current time. If the first
argument is the epoch seconds then it will be used.
Returns the path object so it can be easily chained with other methods:
# won't die if foo.txt doesn't exist
$content = path("foo.txt")->touch->slurp;
Current API available since 0.015.
=head2 touchpath
path("bar/baz/foo.txt")->touchpath;
Combines C<mkdir> and C<touch>. Creates the parent directory if it doesn't exist,
before touching the file. Returns the path object like C<touch> does.
If you need to pass options, use C<mkdir> and C<touch> separately:
path("bar/baz")->mkdir( \%options )->child("foo.txt")->touch($epoch_secs);
Current API available since 0.022.
=head2 visit
path("/tmp")->visit( \&callback, \%options );
Executes a callback for each child of a directory. It returns a hash
reference with any state accumulated during iteration.
The options are the same as for L</iterator> (which it uses internally):
C<recurse> and C<follow_symlinks>. Both default to false.
The callback function will receive a C<Path::Tiny> object as the first argument
and a hash reference to accumulate state as the second argument. For example:
# collect files sizes
my $sizes = path("/tmp")->visit(
sub {
my ($path, $state) = @_;
return if $path->is_dir;
$state->{$path} = -s $path;
},
{ recurse => 1 }
);
For convenience, the C<Path::Tiny> object will also be locally aliased as the
C<$_> global variable:
# print paths matching /foo/
path("/tmp")->visit( sub { say if /foo/ }, { recurse => 1} );
If the callback returns a B<reference> to a false scalar value, iteration will
terminate. This is not the same as "pruning" a directory search; this just
stops all iteration and returns the state hash reference.
# find up to 10 files larger than 100K
my $files = path("/tmp")->visit(
sub {
my ($path, $state) = @_;
$state->{$path}++ if -s $path > 102400
return \0 if keys %$state == 10;
},
{ recurse => 1 }
);
If you want more flexible iteration, use a module like L<Path::Iterator::Rule>.
Current API available since 0.062.
=head2 volume
$vol = path("/tmp/foo.txt")->volume; # ""
$vol = path("C:/tmp/foo.txt")->volume; # "C:"
Returns the volume portion of the path. This is equivalent
to what L<File::Spec> would give from C<splitpath> and thus
usually is the empty string on Unix-like operating systems or the
drive letter for an absolute path on C<MSWin32>.
Current API available since 0.001.
=for Pod::Coverage openr_utf8 opena_utf8 openw_utf8 openrw_utf8
openr_raw opena_raw openw_raw openrw_raw
IS_WIN32 FREEZE THAW TO_JSON abs2rel
=head1 EXCEPTION HANDLING
Simple usage errors will generally croak. Failures of underlying Perl
functions will be thrown as exceptions in the class
C<Path::Tiny::Error>.
A C<Path::Tiny::Error> object will be a hash reference with the following fields:
=over 4
=item *
C<op> — a description of the operation, usually function call and any extra info
=item *
C<file> — the file or directory relating to the error
=item *
C<err> — hold C<$!> at the time the error was thrown
=item *
C<msg> — a string combining the above data and a Carp-like short stack trace
=back
Exception objects will stringify as the C<msg> field.
=head1 ENVIRONMENT
=head2 PERL_PATH_TINY_NO_FLOCK
If the environment variable C<PERL_PATH_TINY_NO_FLOCK> is set to a true
value then flock will NOT be used when accessing files (this is not
recommended).
=head1 CAVEATS
=head2 Subclassing not supported
For speed, this class is implemented as an array based object and uses many
direct function calls internally. You must not subclass it and expect
things to work properly.
=head2 Tilde expansion (deprecated)
Tilde expansion was a nice idea, but it can't easily be applied consistently
across the entire API. This was a source of bugs and confusion for users.
Therefore, it is B<deprecated> and its use is discouraged. Limitations to the
existing, legacy behavior follow.
Tilde expansion will only occur if the B<first> argument to C<path> begins with
a tilde. B<No other method does tilde expansion on its arguments>. If you want
tilde expansion on arguments, you must explicitly wrap them in a call to
C<path>.
path( "~/foo.txt" )->copy( path( "~/bar.txt" ) );
If you need a literal leading tilde, use C<path("./~whatever")> so that the
argument to C<path> doesn't start with a tilde, but the path still resolves to
the current directory.
Behaviour of tilde expansion with a username for non-existent users depends on
the output of C<glob> on the system.
=head2 File locking
If flock is not supported on a platform, it will not be used, even if
locking is requested.
In situations where a platform normally would support locking, but the
flock fails due to a filesystem limitation, Path::Tiny has some heuristics
to detect this and will warn once and continue in an unsafe mode. If you
want this failure to be fatal, you can fatalize the 'flock' warnings
category:
use warnings FATAL => 'flock';
See additional caveats below.
=head3 NFS and BSD
On BSD, Perl's flock implementation may not work to lock files on an
NFS filesystem. If detected, this situation will warn once, as described
above.
=head3 Lustre
The Lustre filesystem does not support flock. If detected, this situation
will warn once, as described above.
=head3 AIX and locking
AIX requires a write handle for locking. Therefore, calls that normally
open a read handle and take a shared lock instead will open a read-write
handle and take an exclusive lock. If the user does not have write
permission, no lock will be used.
=head2 utf8 vs UTF-8
All the C<*_utf8> methods by default use C<:encoding(UTF-8)> -- either as
C<:unix:encoding(UTF-8)> (unbuffered, for whole file operations) or
C<:raw:encoding(UTF-8)> (buffered, for line-by-line operations). These are
strict against the Unicode spec and disallows illegal Unicode codepoints or
UTF-8 sequences.
Unfortunately, C<:encoding(UTF-8)> is very, very slow. If you install
L<Unicode::UTF8> 0.58 or later, that module will be used by some C<*_utf8>
methods to encode or decode data after a raw, binary input/output operation,
which is much faster. Alternatively, if you install L<PerlIO::utf8_strict>,
that will be used instead of C<:encoding(UTF-8)> and is also very fast.
If you need the performance and can accept the security risk,
C<< slurp({binmode => ":unix:utf8"}) >> will be faster than C<:unix:encoding(UTF-8)>
(but not as fast as C<Unicode::UTF8>).
Note that the C<*_utf8> methods read in B<raw> mode. There is no CRLF
translation on Windows. If you must have CRLF translation, use the regular
input/output methods with an appropriate binmode:
$path->spew_utf8($data); # raw
$path->spew({binmode => ":encoding(UTF-8)"}, $data; # LF -> CRLF
=head2 Default IO layers and the open pragma
If you have Perl 5.10 or later, file input/output methods (C<slurp>, C<spew>,
etc.) and high-level handle opening methods ( C<filehandle>, C<openr>,
C<openw>, etc. ) respect default encodings set by the C<-C> switch or lexical
L<open> settings of the caller. For UTF-8, this is almost certainly slower
than using the dedicated C<_utf8> methods if you have L<Unicode::UTF8> or
L<PerlIP::utf8_strict>.
=head1 TYPE CONSTRAINTS AND COERCION
A standard L<MooseX::Types> library is available at
L<MooseX::Types::Path::Tiny>. A L<Type::Tiny> equivalent is available as
L<Types::Path::Tiny>.
=head1 SEE ALSO
These are other file/path utilities, which may offer a different feature
set than C<Path::Tiny>.
=over 4
=item *
L<File::chmod>
=item *
L<File::Fu>
=item *
L<IO::All>
=item *
L<Path::Class>
=back
These iterators may be slightly faster than the recursive iterator in
C<Path::Tiny>:
=over 4
=item *
L<Path::Iterator::Rule>
=item *
L<File::Next>
=back
There are probably comparable, non-Tiny tools. Let me know if you want me to
add a module to the list.
This module was featured in the L<2013 Perl Advent Calendar|http://www.perladvent.org/2013/2013-12-18.html>.
=for :stopwords cpan testmatrix url bugtracker rt cpants kwalitee diff irc mailto metadata placeholders metacpan
=head1 SUPPORT
=head2 Bugs / Feature Requests
Please report any bugs or feature requests through the issue tracker
at L<https://github.com/dagolden/Path-Tiny/issues>.
You will be notified automatically of any progress on your issue.
=head2 Source Code
This is open source software. The code repository is available for
public review and contribution under the terms of the license.
L<https://github.com/dagolden/Path-Tiny>
git clone https://github.com/dagolden/Path-Tiny.git
=head1 AUTHOR
David Golden <dagolden@cpan.org>
=head1 CONTRIBUTORS
=for stopwords Alex Efros Aristotle Pagaltzis Chris Williams Dan Book Dave Rolsky David Steinbrunner Doug Bell Elvin Aslanov Flavio Poletti Gabor Szabo Gabriel Andrade George Hartzell Geraud Continsouzas Goro Fuji Graham Knop Ollis Ian Sillitoe James Hunt John Karr Karen Etheridge Mark Ellis Martin H. Sluka Kjeldsen Mary Ehlers Michael G. Schwern Nicolas R Rochelemagne Nigel Gregoire Philippe Bruhat (BooK) regina-verbae Roy Ivy III Shlomi Fish Smylers Tatsuhiko Miyagawa Toby Inkster Yanick Champoux 김도형 - Keedi Kim
=over 4
=item *
Alex Efros <powerman@powerman.name>
=item *
Aristotle Pagaltzis <pagaltzis@gmx.de>
=item *
Chris Williams <bingos@cpan.org>
=item *
Dan Book <grinnz@grinnz.com>
=item *
Dave Rolsky <autarch@urth.org>
=item *
David Steinbrunner <dsteinbrunner@pobox.com>
=item *
Doug Bell <madcityzen@gmail.com>
=item *
Elvin Aslanov <rwp.primary@gmail.com>
=item *
Flavio Poletti <flavio@polettix.it>
=item *
Gabor Szabo <szabgab@cpan.org>
=item *
Gabriel Andrade <gabiruh@gmail.com>
=item *
George Hartzell <hartzell@cpan.org>
=item *
Geraud Continsouzas <geraud@scsi.nc>
=item *
Goro Fuji <gfuji@cpan.org>
=item *
Graham Knop <haarg@haarg.org>
=item *
Graham Ollis <plicease@cpan.org>
=item *
Ian Sillitoe <ian@sillit.com>
=item *
James Hunt <james@niftylogic.com>
=item *
John Karr <brainbuz@brainbuz.org>
=item *
Karen Etheridge <ether@cpan.org>
=item *
Mark Ellis <mark.ellis@cartridgesave.co.uk>
=item *
Martin H. Sluka <fany@cpan.org>
=item *
Martin Kjeldsen <mk@bluepipe.dk>
=item *
Mary Ehlers <regina.verb.ae@gmail.com>
=item *
Michael G. Schwern <mschwern@cpan.org>
=item *
Nicolas R <nicolas@atoomic.org>
=item *
Nicolas Rochelemagne <rochelemagne@cpanel.net>
=item *
Nigel Gregoire <nigelgregoire@gmail.com>
=item *
Philippe Bruhat (BooK) <book@cpan.org>
=item *
regina-verbae <regina-verbae@users.noreply.github.com>
=item *
Roy Ivy III <rivy@cpan.org>
=item *
Shlomi Fish <shlomif@shlomifish.org>
=item *
Smylers <Smylers@stripey.com>
=item *
Tatsuhiko Miyagawa <miyagawa@bulknews.net>
=item *
Toby Inkster <tobyink@cpan.org>
=item *
Yanick Champoux <yanick@babyl.dyndns.org>
=item *
김도형 - Keedi Kim <keedi@cpan.org>
=back
=head1 COPYRIGHT AND LICENSE
This software is Copyright (c) 2014 by David Golden.
This is free software, licensed under:
The Apache License, Version 2.0, January 2004
=cut
PK gl\���\� � perl5/5.32/AppConfig/Args.pmnu ��6�$ #============================================================================
#
# AppConfig::Args.pm
#
# Perl5 module to read command line argument and update the variable
# values in an AppConfig::State object accordingly.
#
# Written by Andy Wardley <abw@wardley.org>
#
# Copyright (C) 1997-2007 Andy Wardley. All Rights Reserved.
# Copyright (C) 1997,1998 Canon Research Centre Europe Ltd.
#============================================================================
package AppConfig::Args;
use 5.006;
use strict;
use warnings;
use AppConfig::State;
our $VERSION = '1.71';
#------------------------------------------------------------------------
# new($state, \@args)
#
# Module constructor. The first, mandatory parameter should be a
# reference to an AppConfig::State object to which all actions should
# be applied. The second parameter may be a reference to a list of
# command line arguments. This list reference is passed to args() for
# processing.
#
# Returns a reference to a newly created AppConfig::Args object.
#------------------------------------------------------------------------
sub new {
my $class = shift;
my $state = shift;
my $self = {
STATE => $state, # AppConfig::State ref
DEBUG => $state->_debug(), # store local copy of debug
PEDANTIC => $state->_pedantic, # and pedantic flags
};
bless $self, $class;
# call parse() to parse any arg list passed
$self->parse(shift)
if @_;
return $self;
}
#------------------------------------------------------------------------
# parse(\@args)
#
# Examines the argument list and updates the contents of the
# AppConfig::State referenced by $self->{ STATE } accordingly. If
# no argument list is provided then the method defaults to examining
# @ARGV. The method reports any warning conditions (such as undefined
# variables) by calling $self->{ STATE }->_error() and then continues to
# examine the rest of the list. If the PEDANTIC option is set in the
# AppConfig::State object, this behaviour is overridden and the method
# returns 0 immediately on any parsing error.
#
# Returns 1 on success or 0 if one or more warnings were raised.
#------------------------------------------------------------------------
sub parse {
my $self = shift;
my $argv = shift || \@ARGV;
my $warnings = 0;
my ($arg, $nargs, $variable, $value);
# take a local copy of the state to avoid much hash dereferencing
my ($state, $debug, $pedantic) = @$self{ qw( STATE DEBUG PEDANTIC ) };
# loop around arguments
ARG: while (@$argv && $argv->[0] =~ /^-/) {
$arg = shift(@$argv);
# '--' indicates the end of the options
last if $arg eq '--';
# strip leading '-';
($variable = $arg) =~ s/^-(-)?//;
# test for '--' prefix and push back any '=value' item
if (defined $1) {
($variable, $value) = split(/=/, $variable);
unshift(@$argv, $value) if defined $value;
}
# check the variable exists
if ($state->_exists($variable)) {
# see if it expects any mandatory arguments
$nargs = $state->_argcount($variable);
if ($nargs) {
# check there's another arg and it's not another '-opt'
if(defined($argv->[0])) {
$value = shift(@$argv);
}
else {
$state->_error("$arg expects an argument");
$warnings++;
last ARG if $pedantic;
next;
}
}
else {
# set a value of 1 if option doesn't expect an argument
$value = 1;
}
# set the variable with the new value
$state->set($variable, $value);
}
else {
$state->_error("$arg: invalid option");
$warnings++;
last ARG if $pedantic;
}
}
# return status
return $warnings ? 0 : 1;
}
1;
__END__
=head1 NAME
AppConfig::Args - Perl5 module for reading command line arguments.
=head1 SYNOPSIS
use AppConfig::Args;
my $state = AppConfig::State->new(\%cfg);
my $cfgargs = AppConfig::Args->new($state);
$cfgargs->parse(\@args); # read args
=head1 OVERVIEW
AppConfig::Args is a Perl5 module which reads command line arguments and
uses the options therein to update variable values in an AppConfig::State
object.
AppConfig::File is distributed as part of the AppConfig bundle.
=head1 DESCRIPTION
=head2 USING THE AppConfig::Args MODULE
To import and use the AppConfig::Args module the following line should appear
in your Perl script:
use AppConfig::Args;
AppConfig::Args is used automatically if you use the AppConfig module
and create an AppConfig::Args object through the parse() method.
AppConfig::File is implemented using object-oriented methods. A new
AppConfig::Args object is created and initialised using the new() method.
This returns a reference to a new AppConfig::File object. A reference to
an AppConfig::State object should be passed in as the first parameter:
my $state = AppConfig::State->new();
my $cfgargs = AppConfig::Args->new($state);
This will create and return a reference to a new AppConfig::Args object.
=head2 PARSING COMMAND LINE ARGUMENTS
The C<parse()> method is used to read a list of command line arguments and
update the STATE accordingly. A reference to the list of arguments should
be passed in.
$cfgargs->parse(\@ARGV);
If the method is called without a reference to an argument list then it
will examine and manipulate @ARGV.
If the PEDANTIC option is turned off in the AppConfig::State object, any
parsing errors (invalid variables, unvalidated values, etc) will generate
warnings, but not cause the method to return. Having processed all
arguments, the method will return 1 if processed without warning or 0 if
one or more warnings were raised. When the PEDANTIC option is turned on,
the method generates a warning and immediately returns a value of 0 as soon
as it encounters any parsing error.
The method continues parsing arguments until it detects the first one that
does not start with a leading dash, '-'. Arguments that constitute values
for other options are not examined in this way.
=head1 FUTURE DEVELOPMENT
This module was developed to provide backwards compatibility (to some
degree) with the preceeding App::Config module. The argument parsing
it provides is basic but offers a quick and efficient solution for those
times when simple option handling is all that is required.
If you require more flexibility in parsing command line arguments, then
you should consider using the AppConfig::Getopt module. This is loaded
and used automatically by calling the AppConfig getopt() method.
The AppConfig::Getopt module provides considerably extended functionality
over the AppConfig::Args module by delegating out the task of argument
parsing to Johan Vromans' Getopt::Long module. For advanced command-line
parsing, this module (either Getopt::Long by itself, or in conjunction with
AppConfig::Getopt) is highly recommended.
=head1 AUTHOR
Andy Wardley, E<lt>abw@wardley.orgE<gt>
=head1 COPYRIGHT
Copyright (C) 1997-2007 Andy Wardley. All Rights Reserved.
Copyright (C) 1997,1998 Canon Research Centre Europe Ltd.
This module is free software; you can redistribute it and/or modify it
under the same terms as Perl itself.
=head1 SEE ALSO
AppConfig, AppConfig::State, AppConfig::Getopt, Getopt::Long
=cut
PK gl\���L perl5/5.32/AppConfig/CGI.pmnu ��6�$ #============================================================================
#
# AppConfig::CGI.pm
#
# Perl5 module to provide a CGI interface to AppConfig. Internal variables
# may be set through the CGI "arguments" appended to a URL.
#
# Written by Andy Wardley <abw@wardley.org>
#
# Copyright (C) 1997-2003 Andy Wardley. All Rights Reserved.
# Copyright (C) 1997,1998 Canon Research Centre Europe Ltd.
#
#============================================================================
package AppConfig::CGI;
use 5.006;
use strict;
use warnings;
use AppConfig::State;
our $VERSION = '1.71';
#------------------------------------------------------------------------
# new($state, $query)
#
# Module constructor. The first, mandatory parameter should be a
# reference to an AppConfig::State object to which all actions should
# be applied. The second parameter may be a string containing a CGI
# QUERY_STRING which is then passed to parse() to process. If no second
# parameter is specifiied then the parse() process is skipped.
#
# Returns a reference to a newly created AppConfig::CGI object.
#------------------------------------------------------------------------
sub new {
my $class = shift;
my $state = shift;
my $self = {
STATE => $state, # AppConfig::State ref
DEBUG => $state->_debug(), # store local copy of debug
PEDANTIC => $state->_pedantic, # and pedantic flags
};
bless $self, $class;
# call parse(@_) to parse any arg list passed
$self->parse(@_)
if @_;
return $self;
}
#------------------------------------------------------------------------
# parse($query)
#
# Method used to parse a CGI QUERY_STRING and set internal variable
# values accordingly. If a query is not passed as the first parameter,
# then _get_cgi_query() is called to try to determine the query by
# examing the environment as per CGI protocol.
#
# Returns 0 if one or more errors or warnings were raised or 1 if the
# string parsed successfully.
#------------------------------------------------------------------------
sub parse {
my $self = shift;
my $query = shift;
my $warnings = 0;
my ($variable, $value, $nargs);
# take a local copy of the state to avoid much hash dereferencing
my ($state, $debug, $pedantic) = @$self{ qw( STATE DEBUG PEDANTIC ) };
# get the cgi query if not defined
$query = $ENV{ QUERY_STRING }
unless defined $query;
# no query to process
return 1 unless defined $query;
# we want to install a custom error handler into the AppConfig::State
# which appends filename and line info to error messages and then
# calls the previous handler; we start by taking a copy of the
# current handler..
my $errhandler = $state->_ehandler();
# install a closure as a new error handler
$state->_ehandler(
sub {
# modify the error message
my $format = shift;
$format =~ s/</</g;
$format =~ s/>/>/g;
$format = "<p>\n<b>[ AppConfig::CGI error: </b>$format<b> ] </b>\n<p>\n";
# send error to stdout for delivery to web client
printf($format, @_);
}
);
PARAM: foreach (split('&', $query)) {
# extract parameter and value from query token
($variable, $value) = map { _unescape($_) } split('=');
# check an argument was provided if one was expected
if ($nargs = $state->_argcount($variable)) {
unless (defined $value) {
$state->_error("$variable expects an argument");
$warnings++;
last PARAM if $pedantic;
next;
}
}
# default an undefined value to 1 if ARGCOUNT_NONE
else {
$value = 1 unless defined $value;
}
# set the variable, noting any error
unless ($state->set($variable, $value)) {
$warnings++;
last PARAM if $pedantic;
}
}
# restore original error handler
$state->_ehandler($errhandler);
# return $warnings => 0, $success => 1
return $warnings ? 0 : 1;
}
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
# The following sub-routine was lifted from Lincoln Stein's CGI.pm
# module, version 2.36. Name has been prefixed by a '_'.
# unescape URL-encoded data
sub _unescape {
my($todecode) = @_;
$todecode =~ tr/+/ /; # pluses become spaces
$todecode =~ s/%([0-9a-fA-F]{2})/pack("c",hex($1))/ge;
return $todecode;
}
#
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
1;
__END__
=head1 NAME
AppConfig::CGI - Perl5 module for processing CGI script parameters.
=head1 SYNOPSIS
use AppConfig::CGI;
my $state = AppConfig::State->new(\%cfg);
my $cgi = AppConfig::CGI->new($state);
$cgi->parse($cgi_query);
$cgi->parse(); # looks for CGI query in environment
=head1 OVERVIEW
AppConfig::CGI is a Perl5 module which implements a CGI interface to
AppConfig. It examines the QUERY_STRING environment variable, or a string
passed explicitly by parameter, which represents the additional parameters
passed to a CGI query. This is then used to update variable values in an
AppConfig::State object accordingly.
AppConfig::CGI is distributed as part of the AppConfig bundle.
=head1 DESCRIPTION
=head2 USING THE AppConfig::CGI MODULE
To import and use the AppConfig::CGI module the following line should appear
in your Perl script:
use AppConfig::CGI;
AppConfig::CGI is used automatically if you use the AppConfig module
and create an AppConfig::CGI object through the cgi() method.
AppConfig::CGI is implemented using object-oriented methods. A new
AppConfig::CGI object is created and initialised using the new()
method. This returns a reference to a new AppConfig::CGI object. A
reference to an AppConfig::State object should be passed in as the
first parameter:
my $state = AppConfig::State->new();
my $cgi = AppConfig::CGI->new($state);
This will create and return a reference to a new AppConfig::CGI object.
=head2 PARSING CGI QUERIES
The C<parse()> method is used to parse a CGI query which can be specified
explicitly, or is automatically extracted from the "QUERY_STRING" CGI
environment variable. This currently limits the module to only supporting
the GET method.
See AppConfig for information about using the AppConfig::CGI
module via the cgi() method.
=head1 AUTHOR
Andy Wardley, C<E<lt>abw@wardley.org<gt>>
=head1 COPYRIGHT
Copyright (C) 1997-2007 Andy Wardley. All Rights Reserved.
Copyright (C) 1997,1998 Canon Research Centre Europe Ltd.
This module is free software; you can redistribute it and/or modify it
under the same terms as Perl itself.
=head1 SEE ALSO
AppConfig, AppConfig::State
=cut
PK gl\�k��) ) perl5/5.32/AppConfig/Sys.pmnu ��6�$ #============================================================================
#
# AppConfig::Sys.pm
#
# Perl5 module providing platform-specific information and operations as
# required by other AppConfig::* modules.
#
# Written by Andy Wardley <abw@wardley.org>
#
# Copyright (C) 1997-2003 Andy Wardley. All Rights Reserved.
# Copyright (C) 1997,1998 Canon Research Centre Europe Ltd.
#
# $Id: Sys.pm,v 1.61 2004/02/04 10:11:23 abw Exp $
#
#============================================================================
package AppConfig::Sys;
use 5.006;
use strict;
use warnings;
use POSIX qw( getpwnam getpwuid );
our $VERSION = '1.71';
our ($AUTOLOAD, $OS, %CAN, %METHOD);
BEGIN {
# define the methods that may be available
if($^O =~ m/win32/i) {
$METHOD{ getpwuid } = sub {
return wantarray()
? ( (undef) x 7, getlogin() )
: getlogin();
};
$METHOD{ getpwnam } = sub {
die("Can't getpwnam on win32");
};
}
else
{
$METHOD{ getpwuid } = sub {
getpwuid( defined $_[0] ? shift : $< );
};
$METHOD{ getpwnam } = sub {
getpwnam( defined $_[0] ? shift : '' );
};
}
# try out each METHOD to see if it's supported on this platform;
# it's important we do this before defining AUTOLOAD which would
# otherwise catch the unresolved call
foreach my $method (keys %METHOD) {
eval { &{ $METHOD{ $method } }() };
$CAN{ $method } = ! $@;
}
}
#------------------------------------------------------------------------
# new($os)
#
# Module constructor. An optional operating system string may be passed
# to explicitly define the platform type.
#
# Returns a reference to a newly created AppConfig::Sys object.
#------------------------------------------------------------------------
sub new {
my $class = shift;
my $self = {
METHOD => \%METHOD,
CAN => \%CAN,
};
bless $self, $class;
$self->_configure(@_);
return $self;
}
#------------------------------------------------------------------------
# AUTOLOAD
#
# Autoload function called whenever an unresolved object method is
# called. If the method name relates to a METHODS entry, then it is
# called iff the corresponding CAN_$method is set true. If the
# method name relates to a CAN_$method value then that is returned.
#------------------------------------------------------------------------
sub AUTOLOAD {
my $self = shift;
my $method;
# splat the leading package name
($method = $AUTOLOAD) =~ s/.*:://;
# ignore destructor
$method eq 'DESTROY' && return;
# can_method()
if ($method =~ s/^can_//i && exists $self->{ CAN }->{ $method }) {
return $self->{ CAN }->{ $method };
}
# method()
elsif (exists $self->{ METHOD }->{ $method }) {
if ($self->{ CAN }->{ $method }) {
return &{ $self->{ METHOD }->{ $method } }(@_);
}
else {
return undef;
}
}
# variable
elsif (exists $self->{ uc $method }) {
return $self->{ uc $method };
}
else {
warn("AppConfig::Sys->", $method, "(): no such method or variable\n");
}
return undef;
}
#------------------------------------------------------------------------
# _configure($os)
#
# Uses the first parameter, $os, the package variable $AppConfig::Sys::OS,
# the value of $^O, or as a last resort, the value of
# $Config::Config('osname') to determine the current operating
# system/platform. Sets internal variables accordingly.
#------------------------------------------------------------------------
sub _configure {
my $self = shift;
# operating system may be defined as a parameter or in $OS
my $os = shift || $OS;
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
# The following was lifted (and adapated slightly) from Lincoln Stein's
# CGI.pm module, version 2.36...
#
# FIGURE OUT THE OS WE'RE RUNNING UNDER
# Some systems support the $^O variable. If not
# available then require() the Config library
unless ($os) {
unless ($os = $^O) {
require Config;
$os = $Config::Config{'osname'};
}
}
if ($os =~ /win32/i) {
$os = 'WINDOWS';
} elsif ($os =~ /vms/i) {
$os = 'VMS';
} elsif ($os =~ /mac/i) {
$os = 'MACINTOSH';
} elsif ($os =~ /os2/i) {
$os = 'OS2';
} else {
$os = 'UNIX';
}
# The path separator is a slash, backslash or semicolon, depending
# on the platform.
my $ps = {
UNIX => '/',
OS2 => '\\',
WINDOWS => '\\',
MACINTOSH => ':',
VMS => '\\'
}->{ $os };
#
# Thanks Lincoln!
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
$self->{ OS } = $os;
$self->{ PATHSEP } = $ps;
}
#------------------------------------------------------------------------
# _dump()
#
# Dump internals for debugging.
#------------------------------------------------------------------------
sub _dump {
my $self = shift;
print "=" x 71, "\n";
print "Status of AppConfig::Sys (Version $VERSION) object: $self\n";
print " Operating System : ", $self->{ OS }, "\n";
print " Path Separator : ", $self->{ PATHSEP }, "\n";
print " Available methods :\n";
foreach my $can (keys %{ $self->{ CAN } }) {
printf "%20s : ", $can;
print $self->{ CAN }->{ $can } ? "yes" : "no", "\n";
}
print "=" x 71, "\n";
}
1;
__END__
=pod
=head1 NAME
AppConfig::Sys - Perl5 module defining platform-specific information and methods for other AppConfig::* modules.
=head1 SYNOPSIS
use AppConfig::Sys;
my $sys = AppConfig::Sys->new();
@fields = $sys->getpwuid($userid);
@fields = $sys->getpwnam($username);
=head1 OVERVIEW
AppConfig::Sys is a Perl5 module provides platform-specific information and
operations as required by other AppConfig::* modules.
AppConfig::Sys is distributed as part of the AppConfig bundle.
=head1 DESCRIPTION
=head2 USING THE AppConfig::Sys MODULE
To import and use the AppConfig::Sys module the following line should
appear in your Perl script:
use AppConfig::Sys;
AppConfig::Sys is implemented using object-oriented methods. A new
AppConfig::Sys object is created and initialised using the
AppConfig::Sys->new() method. This returns a reference to a new
AppConfig::Sys object.
my $sys = AppConfig::Sys->new();
This will attempt to detect your operating system and create a reference to
a new AppConfig::Sys object that is applicable to your platform. You may
explicitly specify an operating system name to override this automatic
detection:
$unix_sys = AppConfig::Sys->new("Unix");
Alternatively, the package variable $AppConfig::Sys::OS can be set to an
operating system name. The valid operating system names are: Win32, VMS,
Mac, OS2 and Unix. They are not case-specific.
=head2 AppConfig::Sys METHODS
AppConfig::Sys defines the following methods:
=over 4
=item getpwnam()
Calls the system function getpwnam() if available and returns the result.
Returns undef if not available. The can_getpwnam() method can be called to
determine if this function is available.
=item getpwuid()
Calls the system function getpwuid() if available and returns the result.
Returns undef if not available. The can_getpwuid() method can be called to
determine if this function is available.
=back
=head1 AUTHOR
Andy Wardley, E<lt>abw@wardley.orgE<gt>
=head1 COPYRIGHT
Copyright (C) 1997-2007 Andy Wardley. All Rights Reserved.
Copyright (C) 1997,1998 Canon Research Centre Europe Ltd.
This module is free software; you can redistribute it and/or modify it under
the term of the Perl Artistic License.
=head1 SEE ALSO
AppConfig, AppConfig::File
=cut
PK gl\��f� � � perl5/5.32/AppConfig/State.pmnu ��6�$ #============================================================================
#
# AppConfig::State.pm
#
# Perl5 module in which configuration information for an application can
# be stored and manipulated. AppConfig::State objects maintain knowledge
# about variables; their identities, options, aliases, targets, callbacks
# and so on. This module is used by a number of other AppConfig::* modules.
#
# Written by Andy Wardley <abw@wardley.org>
#
# Copyright (C) 1997-2007 Andy Wardley. All Rights Reserved.
# Copyright (C) 1997,1998 Canon Research Centre Europe Ltd.
#
#----------------------------------------------------------------------------
#
# TODO
#
# * Change varlist() to varhash() and provide another varlist() method
# which returns a list. Multiple parameters passed implies a hash
# slice/list grep, a single parameter should indicate a regex.
#
# * Perhaps allow a callback to be installed which is called *instead* of
# the get() and set() methods (or rather, is called by them).
#
# * Maybe CMDARG should be in there to specify extra command-line only
# options that get added to the AppConfig::GetOpt alias construction,
# but not applied in config files, general usage, etc. The GLOBAL
# CMDARG might be specified as a format, e.g. "-%c" where %s = name,
# %c = first character, %u - first unique sequence(?). Will
# GetOpt::Long handle --long to -l application automagically?
#
# * ..and an added thought is that CASE sensitivity may be required for the
# command line (-v vs -V, -r vs -R, for example), but not for parsing
# config files where you may wish to treat "Name", "NAME" and "name" alike.
#
#============================================================================
package AppConfig::State;
use 5.006;
use strict;
use warnings;
our $VERSION = '1.71';
our $DEBUG = 0;
our $AUTOLOAD;
# need access to AppConfig::ARGCOUNT_*
use AppConfig ':argcount';
# internal per-variable hashes that AUTOLOAD should provide access to
my %METHVARS;
@METHVARS{ qw( EXPAND ARGS ARGCOUNT ) } = ();
# internal values that AUTOLOAD should provide access to
my %METHFLAGS;
@METHFLAGS{ qw( PEDANTIC ) } = ();
# variable attributes that may be specified in GLOBAL;
my @GLOBAL_OK = qw( DEFAULT EXPAND VALIDATE ACTION ARGS ARGCOUNT );
#------------------------------------------------------------------------
# new(\%config, @vars)
#
# Module constructor. A reference to a hash array containing
# configuration options may be passed as the first parameter. This is
# passed off to _configure() for processing. See _configure() for
# information about configurarion options. The remaining parameters
# may be variable definitions and are passed en masse to define() for
# processing.
#
# Returns a reference to a newly created AppConfig::State object.
#------------------------------------------------------------------------
sub new {
my $class = shift;
my $self = {
# internal hash arrays to store variable specification information
VARIABLE => { }, # variable values
DEFAULT => { }, # default values
ALIAS => { }, # known aliases ALIAS => VARIABLE
ALIASES => { }, # reverse alias lookup VARIABLE => ALIASES
ARGCOUNT => { }, # arguments expected
ARGS => { }, # specific argument pattern (AppConfig::Getopt)
EXPAND => { }, # variable expansion (AppConfig::File)
VALIDATE => { }, # validation regexen or functions
ACTION => { }, # callback functions for when variable is set
GLOBAL => { }, # default global settings for new variables
# other internal data
CREATE => 0, # auto-create variables when set
CASE => 0, # case sensitivity flag (1 = sensitive)
PEDANTIC => 0, # return immediately on parse warnings
EHANDLER => undef, # error handler (let's hope we don't need it!)
ERROR => '', # error message
};
bless $self, $class;
# configure if first param is a config hash ref
$self->_configure(shift)
if ref($_[0]) eq 'HASH';
# call define(@_) to handle any variables definitions
$self->define(@_)
if @_;
return $self;
}
#------------------------------------------------------------------------
# define($variable, \%cfg, [$variable, \%cfg, ...])
#
# Defines one or more variables. The first parameter specifies the
# variable name. The following parameter may reference a hash of
# configuration options for the variable. Further variables and
# configuration hashes may follow and are processed in turn. If the
# parameter immediately following a variable name isn't a hash reference
# then it is ignored and the variable is defined without a specific
# configuration, although any default parameters as specified in the
# GLOBAL option will apply.
#
# The $variable value may contain an alias/args definition in compact
# format, such as "Foo|Bar=1".
#
# A warning is issued (via _error()) if an invalid option is specified.
#------------------------------------------------------------------------
sub define {
my $self = shift;
my ($var, $args, $count, $opt, $val, $cfg, @names);
while (@_) {
$var = shift;
$cfg = ref($_[0]) eq 'HASH' ? shift : { };
# variable may be specified in compact format, 'foo|bar=i@'
if ($var =~ s/(.+?)([!+=:].*)/$1/) {
# anything coming after the name|alias list is the ARGS
$cfg->{ ARGS } = $2
if length $2;
}
# examine any ARGS option
if (defined ($args = $cfg->{ ARGS })) {
ARGGCOUNT: {
$count = ARGCOUNT_NONE, last if $args =~ /^!/;
$count = ARGCOUNT_LIST, last if $args =~ /@/;
$count = ARGCOUNT_HASH, last if $args =~ /%/;
$count = ARGCOUNT_ONE;
}
$cfg->{ ARGCOUNT } = $count;
}
# split aliases out
@names = split(/\|/, $var);
$var = shift @names;
$cfg->{ ALIAS } = [ @names ] if @names;
# variable name gets folded to lower unless CASE sensitive
$var = lc $var unless $self->{ CASE };
# activate $variable (so it does 'exist()')
$self->{ VARIABLE }->{ $var } = undef;
# merge GLOBAL and variable-specific configurations
$cfg = { %{ $self->{ GLOBAL } }, %$cfg };
# examine each variable configuration parameter
while (($opt, $val) = each %$cfg) {
$opt = uc $opt;
# DEFAULT, VALIDATE, EXPAND, ARGS and ARGCOUNT are stored as
# they are;
$opt =~ /^DEFAULT|VALIDATE|EXPAND|ARGS|ARGCOUNT$/ && do {
$self->{ $opt }->{ $var } = $val;
next;
};
# CMDARG has been deprecated
$opt eq 'CMDARG' && do {
$self->_error("CMDARG has been deprecated. "
. "Please use an ALIAS if required.");
next;
};
# ACTION should be a code ref
$opt eq 'ACTION' && do {
unless (ref($val) eq 'CODE') {
$self->_error("'$opt' value is not a code reference");
next;
};
# store code ref, forcing keyword to upper case
$self->{ ACTION }->{ $var } = $val;
next;
};
# ALIAS creates alias links to the variable name
$opt eq 'ALIAS' && do {
# coerce $val to an array if not already so
$val = [ split(/\|/, $val) ]
unless ref($val) eq 'ARRAY';
# fold to lower case unless CASE sensitivity set
unless ($self->{ CASE }) {
@$val = map { lc } @$val;
}
# store list of aliases...
$self->{ ALIASES }->{ $var } = $val;
# ...and create ALIAS => VARIABLE lookup hash entries
foreach my $a (@$val) {
$self->{ ALIAS }->{ $a } = $var;
}
next;
};
# default
$self->_error("$opt is not a valid configuration item");
}
# set variable to default value
$self->_default($var);
# DEBUG: dump new variable definition
if ($DEBUG) {
print STDERR "Variable defined:\n";
$self->_dump_var($var);
}
}
}
#------------------------------------------------------------------------
# get($variable)
#
# Returns the value of the variable specified, $variable. Returns undef
# if the variable does not exists or is undefined and send a warning
# message to the _error() function.
#------------------------------------------------------------------------
sub get {
my $self = shift;
my $variable = shift;
my $negate = 0;
my $value;
# _varname returns variable name after aliasing and case conversion
# $negate indicates if the name got converted from "no<var>" to "<var>"
$variable = $self->_varname($variable, \$negate);
# check the variable has been defined
unless (exists($self->{ VARIABLE }->{ $variable })) {
$self->_error("$variable: no such variable");
return undef;
}
# DEBUG
print STDERR "$self->get($variable) => ",
defined $self->{ VARIABLE }->{ $variable }
? $self->{ VARIABLE }->{ $variable }
: "<undef>",
"\n"
if $DEBUG;
# return variable value, possibly negated if the name was "no<var>"
$value = $self->{ VARIABLE }->{ $variable };
return $negate ? !$value : $value;
}
#------------------------------------------------------------------------
# set($variable, $value)
#
# Assigns the value, $value, to the variable specified.
#
# Returns 1 if the variable is successfully updated or 0 if the variable
# does not exist. If an ACTION sub-routine exists for the variable, it
# will be executed and its return value passed back.
#------------------------------------------------------------------------
sub set {
my $self = shift;
my $variable = shift;
my $value = shift;
my $negate = 0;
my $create;
# _varname returns variable name after aliasing and case conversion
# $negate indicates if the name got converted from "no<var>" to "<var>"
$variable = $self->_varname($variable, \$negate);
# check the variable exists
if (exists($self->{ VARIABLE }->{ $variable })) {
# variable found, so apply any value negation
$value = $value ? 0 : 1 if $negate;
}
else {
# auto-create variable if CREATE is 1 or a pattern matching
# the variable name (real name, not an alias)
$create = $self->{ CREATE };
if (defined $create
&& ($create eq '1' || $variable =~ /$create/)) {
$self->define($variable);
print STDERR "Auto-created $variable\n" if $DEBUG;
}
else {
$self->_error("$variable: no such variable");
return 0;
}
}
# call the validate($variable, $value) method to perform any validation
unless ($self->_validate($variable, $value)) {
$self->_error("$variable: invalid value: $value");
return 0;
}
# DEBUG
print STDERR "$self->set($variable, ",
defined $value
? $value
: "<undef>",
")\n"
if $DEBUG;
# set the variable value depending on its ARGCOUNT
my $argcount = $self->{ ARGCOUNT }->{ $variable };
$argcount = AppConfig::ARGCOUNT_ONE unless defined $argcount;
if ($argcount eq AppConfig::ARGCOUNT_LIST) {
# push value onto the end of the list
push(@{ $self->{ VARIABLE }->{ $variable } }, $value);
}
elsif ($argcount eq AppConfig::ARGCOUNT_HASH) {
# insert "<key>=<value>" data into hash
my ($k, $v) = split(/\s*=\s*/, $value, 2);
# strip quoting
$v =~ s/^(['"])(.*)\1$/$2/ if defined $v;
$self->{ VARIABLE }->{ $variable }->{ $k } = $v;
}
else {
# set simple variable
$self->{ VARIABLE }->{ $variable } = $value;
}
# call any ACTION function bound to this variable
return &{ $self->{ ACTION }->{ $variable } }($self, $variable, $value)
if (exists($self->{ ACTION }->{ $variable }));
# ...or just return 1 (ok)
return 1;
}
#------------------------------------------------------------------------
# varlist($criteria, $filter)
#
# Returns a hash array of all variables and values whose real names
# match the $criteria regex pattern passed as the first parameter.
# If $filter is set to any true value, the keys of the hash array
# (variable names) will have the $criteria part removed. This allows
# the caller to specify the variables from one particular [block] and
# have the "block_" prefix removed, for example.
#
# TODO: This should be changed to varhash(). varlist() should return a
# list. Also need to consider specification by list rather than regex.
#
#------------------------------------------------------------------------
sub varlist {
my $self = shift;
my $criteria = shift;
my $strip = shift;
$criteria = "" unless defined $criteria;
# extract relevant keys and slice out corresponding values
my @keys = grep(/$criteria/, keys %{ $self->{ VARIABLE } });
my @vals = @{ $self->{ VARIABLE } }{ @keys };
my %set;
# clean off the $criteria part if $strip is set
@keys = map { s/$criteria//; $_ } @keys if $strip;
# slice values into the target hash
@set{ @keys } = @vals;
return %set;
}
#------------------------------------------------------------------------
# AUTOLOAD
#
# Autoload function called whenever an unresolved object method is
# called. If the method name relates to a defined VARIABLE, we patch
# in $self->get() and $self->set() to magically update the varaiable
# (if a parameter is supplied) and return the previous value.
#
# Thus the function can be used in the folowing ways:
# $state->variable(123); # set a new value
# $foo = $state->variable(); # get the current value
#
# Returns the current value of the variable, taken before any new value
# is set. Prints a warning if the variable isn't defined (i.e. doesn't
# exist rather than exists with an undef value) and returns undef.
#------------------------------------------------------------------------
sub AUTOLOAD {
my $self = shift;
my ($variable, $attrib);
# splat the leading package name
($variable = $AUTOLOAD) =~ s/.*:://;
# ignore destructor
$variable eq 'DESTROY' && return;
# per-variable attributes and internal flags listed as keys in
# %METHFLAGS and %METHVARS respectively can be accessed by a
# method matching the attribute or flag name in lower case with
# a leading underscore_
if (($attrib = $variable) =~ s/_//g) {
$attrib = uc $attrib;
if (exists $METHFLAGS{ $attrib }) {
return $self->{ $attrib };
}
if (exists $METHVARS{ $attrib }) {
# next parameter should be variable name
$variable = shift;
$variable = $self->_varname($variable);
# check we've got a valid variable
# $self->_error("$variable: no such variable or method"),
# return undef
# unless exists($self->{ VARIABLE }->{ $variable });
# return attribute
return $self->{ $attrib }->{ $variable };
}
}
# set a new value if a parameter was supplied or return the old one
return defined($_[0])
? $self->set($variable, shift)
: $self->get($variable);
}
#========================================================================
# ----- PRIVATE METHODS -----
#========================================================================
#------------------------------------------------------------------------
# _configure(\%cfg)
#
# Sets the various configuration options using the values passed in the
# hash array referenced by $cfg.
#------------------------------------------------------------------------
sub _configure {
my $self = shift;
my $cfg = shift || return;
# construct a regex to match values which are ok to be found in GLOBAL
my $global_ok = join('|', @GLOBAL_OK);
foreach my $opt (keys %$cfg) {
# GLOBAL must be a hash ref
$opt =~ /^GLOBALS?$/i && do {
unless (ref($cfg->{ $opt }) eq 'HASH') {
$self->_error("\U$opt\E parameter is not a hash ref");
next;
}
# we check each option is ok to be in GLOBAL, but we don't do
# any error checking on the values they contain (but should?).
foreach my $global ( keys %{ $cfg->{ $opt } } ) {
# continue if the attribute is ok to be GLOBAL
next if ($global =~ /(^$global_ok$)/io);
$self->_error( "\U$global\E parameter cannot be GLOBAL");
}
$self->{ GLOBAL } = $cfg->{ $opt };
next;
};
# CASE, CREATE and PEDANTIC are stored as they are
$opt =~ /^CASE|CREATE|PEDANTIC$/i && do {
$self->{ uc $opt } = $cfg->{ $opt };
next;
};
# ERROR triggers $self->_ehandler()
$opt =~ /^ERROR$/i && do {
$self->_ehandler($cfg->{ $opt });
next;
};
# DEBUG triggers $self->_debug()
$opt =~ /^DEBUG$/i && do {
$self->_debug($cfg->{ $opt });
next;
};
# warn about invalid options
$self->_error("\U$opt\E is not a valid configuration option");
}
}
#------------------------------------------------------------------------
# _varname($variable, \$negated)
#
# Variable names are treated case-sensitively or insensitively, depending
# on the value of $self->{ CASE }. When case-insensitive ($self->{ CASE }
# != 0), all variable names are converted to lower case. Variable values
# are not converted. This function simply converts the parameter
# (variable) to lower case if $self->{ CASE } isn't set. _varname() also
# expands a variable alias to the name of the target variable.
#
# Variables with an ARGCOUNT of ARGCOUNT_ZERO may be specified as
# "no<var>" in which case, the intended value should be negated. The
# leading "no" part is stripped from the variable name. A reference to
# a scalar value can be passed as the second parameter and if the
# _varname() method identified such a variable, it will negate the value.
# This allows the intended value or a simple negate flag to be passed by
# reference and be updated to indicate any negation activity taking place.
#
# The (possibly modified) variable name is returned.
#------------------------------------------------------------------------
sub _varname {
my $self = shift;
my $variable = shift;
my $negated = shift;
# convert to lower case if case insensitive
$variable = $self->{ CASE } ? $variable : lc $variable;
# get the actual name if this is an alias
$variable = $self->{ ALIAS }->{ $variable }
if (exists($self->{ ALIAS }->{ $variable }));
# if the variable doesn't exist, we can try to chop off a leading
# "no" and see if the remainder matches an ARGCOUNT_ZERO variable
unless (exists($self->{ VARIABLE }->{ $variable })) {
# see if the variable is specified as "no<var>"
if ($variable =~ /^no(.*)/) {
# see if the real variable (minus "no") exists and it
# has an ARGOUNT of ARGCOUNT_NONE (or no ARGCOUNT at all)
my $novar = $self->_varname($1);
if (exists($self->{ VARIABLE }->{ $novar })
&& ! $self->{ ARGCOUNT }->{ $novar }) {
# set variable name and negate value
$variable = $novar;
$$negated = ! $$negated if defined $negated;
}
}
}
# return the variable name
$variable;
}
#------------------------------------------------------------------------
# _default($variable)
#
# Sets the variable specified to the default value or undef if it doesn't
# have a default. The default value is returned.
#------------------------------------------------------------------------
sub _default {
my $self = shift;
my $variable = shift;
# _varname returns variable name after aliasing and case conversion
$variable = $self->_varname($variable);
# check the variable exists
if (exists($self->{ VARIABLE }->{ $variable })) {
# set variable value to the default scalar, an empty list or empty
# hash array, depending on its ARGCOUNT value
my $argcount = $self->{ ARGCOUNT }->{ $variable };
$argcount = AppConfig::ARGCOUNT_ONE unless defined $argcount;
if ($argcount == AppConfig::ARGCOUNT_NONE) {
return $self->{ VARIABLE }->{ $variable }
= $self->{ DEFAULT }->{ $variable } || 0;
}
elsif ($argcount == AppConfig::ARGCOUNT_LIST) {
my $deflist = $self->{ DEFAULT }->{ $variable };
return $self->{ VARIABLE }->{ $variable } =
[ ref $deflist eq 'ARRAY' ? @$deflist : ( ) ];
}
elsif ($argcount == AppConfig::ARGCOUNT_HASH) {
my $defhash = $self->{ DEFAULT }->{ $variable };
return $self->{ VARIABLE }->{ $variable } =
{ ref $defhash eq 'HASH' ? %$defhash : () };
}
else {
return $self->{ VARIABLE }->{ $variable }
= $self->{ DEFAULT }->{ $variable };
}
}
else {
$self->_error("$variable: no such variable");
return 0;
}
}
#------------------------------------------------------------------------
# _exists($variable)
#
# Returns 1 if the variable specified exists or 0 if not.
#------------------------------------------------------------------------
sub _exists {
my $self = shift;
my $variable = shift;
# _varname returns variable name after aliasing and case conversion
$variable = $self->_varname($variable);
# check the variable has been defined
return exists($self->{ VARIABLE }->{ $variable });
}
#------------------------------------------------------------------------
# _validate($variable, $value)
#
# Uses any validation rules or code defined for the variable to test if
# the specified value is acceptable.
#
# Returns 1 if the value passed validation checks, 0 if not.
#------------------------------------------------------------------------
sub _validate {
my $self = shift;
my $variable = shift;
my $value = shift;
my $validator;
# _varname returns variable name after aliasing and case conversion
$variable = $self->_varname($variable);
# return OK unless there is a validation function
return 1 unless defined($validator = $self->{ VALIDATE }->{ $variable });
#
# the validation performed is based on the validator type;
#
# CODE ref: code executed, returning 1 (ok) or 0 (failed)
# SCALAR : a regex which should match the value
#
# CODE ref
ref($validator) eq 'CODE' && do {
# run the validation function and return the result
return &$validator($variable, $value);
};
# non-ref (i.e. scalar)
ref($validator) || do {
# not a ref - assume it's a regex
return $value =~ /$validator/;
};
# validation failed
return 0;
}
#------------------------------------------------------------------------
# _error($format, @params)
#
# Checks for the existence of a user defined error handling routine and
# if defined, passes all variable straight through to that. The routine
# is expected to handle a string format and optional parameters as per
# printf(3C). If no error handler is defined, the message is formatted
# and passed to warn() which prints it to STDERR.
#------------------------------------------------------------------------
sub _error {
my $self = shift;
my $format = shift;
# user defined error handler?
if (ref($self->{ EHANDLER }) eq 'CODE') {
&{ $self->{ EHANDLER } }($format, @_);
}
else {
warn(sprintf("$format\n", @_));
}
}
#------------------------------------------------------------------------
# _ehandler($handler)
#
# Allows a new error handler to be installed. The current value of
# the error handler is returned.
#
# This is something of a kludge to allow other AppConfig::* modules to
# install their own error handlers to format error messages appropriately.
# For example, AppConfig::File appends a message of the form
# "at $file line $line" to each error message generated while parsing
# configuration files. The previous handler is returned (and presumably
# stored by the caller) to allow new error handlers to chain control back
# to any user-defined handler, and also restore the original handler when
# done.
#------------------------------------------------------------------------
sub _ehandler {
my $self = shift;
my $handler = shift;
# save previous value
my $previous = $self->{ EHANDLER };
# update internal reference if a new handler vas provide
if (defined $handler) {
# check this is a code reference
if (ref($handler) eq 'CODE') {
$self->{ EHANDLER } = $handler;
# DEBUG
print STDERR "installed new ERROR handler: $handler\n" if $DEBUG;
}
else {
$self->_error("ERROR handler parameter is not a code ref");
}
}
return $previous;
}
#------------------------------------------------------------------------
# _debug($debug)
#
# Sets the package debugging variable, $AppConfig::State::DEBUG depending
# on the value of the $debug parameter. 1 turns debugging on, 0 turns
# debugging off.
#
# May be called as an object method, $state->_debug(1), or as a package
# function, AppConfig::State::_debug(1). Returns the previous value of
# $DEBUG, before any new value was applied.
#------------------------------------------------------------------------
sub _debug {
# object reference may not be present if called as a package function
my $self = shift if ref($_[0]);
my $newval = shift;
# save previous value
my $oldval = $DEBUG;
# update $DEBUG if a new value was provided
$DEBUG = $newval if defined $newval;
# return previous value
$oldval;
}
#------------------------------------------------------------------------
# _dump_var($var)
#
# Displays the content of the specified variable, $var.
#------------------------------------------------------------------------
sub _dump_var {
my $self = shift;
my $var = shift;
return unless defined $var;
# $var may be an alias, so we resolve the real variable name
my $real = $self->_varname($var);
if ($var eq $real) {
print STDERR "$var\n";
}
else {
print STDERR "$real ('$var' is an alias)\n";
$var = $real;
}
# for some bizarre reason, the variable VALUE is stored in VARIABLE
# (it made sense at some point in time)
printf STDERR " VALUE => %s\n",
defined($self->{ VARIABLE }->{ $var })
? $self->{ VARIABLE }->{ $var }
: "<undef>";
# the rest of the values can be read straight out of their hashes
foreach my $param (qw( DEFAULT ARGCOUNT VALIDATE ACTION EXPAND )) {
printf STDERR " %-12s => %s\n", $param,
defined($self->{ $param }->{ $var })
? $self->{ $param }->{ $var }
: "<undef>";
}
# summarise all known aliases for this variable
print STDERR " ALIASES => ",
join(", ", @{ $self->{ ALIASES }->{ $var } }), "\n"
if defined $self->{ ALIASES }->{ $var };
}
#------------------------------------------------------------------------
# _dump()
#
# Dumps the contents of the Config object and all stored variables.
#------------------------------------------------------------------------
sub _dump {
my $self = shift;
my $var;
print STDERR "=" x 71, "\n";
print STDERR
"Status of AppConfig::State (version $VERSION) object:\n\t$self\n";
print STDERR "- " x 36, "\nINTERNAL STATE:\n";
foreach (qw( CREATE CASE PEDANTIC EHANDLER ERROR )) {
printf STDERR " %-12s => %s\n", $_,
defined($self->{ $_ }) ? $self->{ $_ } : "<undef>";
}
print STDERR "- " x 36, "\nVARIABLES:\n";
foreach $var (keys %{ $self->{ VARIABLE } }) {
$self->_dump_var($var);
}
print STDERR "- " x 36, "\n", "ALIASES:\n";
foreach $var (keys %{ $self->{ ALIAS } }) {
printf(" %-12s => %s\n", $var, $self->{ ALIAS }->{ $var });
}
print STDERR "=" x 72, "\n";
}
1;
__END__
=head1 NAME
AppConfig::State - application configuration state
=head1 SYNOPSIS
use AppConfig::State;
my $state = AppConfig::State->new(\%cfg);
$state->define("foo"); # very simple variable definition
$state->define("bar", \%varcfg); # variable specific configuration
$state->define("foo|bar=i@"); # compact format
$state->set("foo", 123); # trivial set/get examples
$state->get("foo");
$state->foo(); # shortcut variable access
$state->foo(456); # shortcut variable update
=head1 OVERVIEW
AppConfig::State is a Perl5 module to handle global configuration variables
for perl programs. It maintains the state of any number of variables,
handling default values, aliasing, validation, update callbacks and
option arguments for use by other AppConfig::* modules.
AppConfig::State is distributed as part of the AppConfig bundle.
=head1 DESCRIPTION
=head2 USING THE AppConfig::State MODULE
To import and use the AppConfig::State module the following line should
appear in your Perl script:
use AppConfig::State;
The AppConfig::State module is loaded automatically by the new()
constructor of the AppConfig module.
AppConfig::State is implemented using object-oriented methods. A
new AppConfig::State object is created and initialised using the
new() method. This returns a reference to a new AppConfig::State
object.
my $state = AppConfig::State->new();
This will create a reference to a new AppConfig::State with all
configuration options set to their default values. You can initialise
the object by passing a reference to a hash array containing
configuration options:
$state = AppConfig::State->new( {
CASE => 1,
ERROR => \&my_error,
} );
The new() constructor of the AppConfig module automatically passes all
parameters to the AppConfig::State new() constructor. Thus, any global
configuration values and variable definitions for AppConfig::State are
also applicable to AppConfig.
The following configuration options may be specified.
=over 4
=item CASE
Determines if the variable names are treated case sensitively. Any non-zero
value makes case significant when naming variables. By default, CASE is set
to 0 and thus "Variable", "VARIABLE" and "VaRiAbLe" are all treated as
"variable".
=item CREATE
By default, CREATE is turned off meaning that all variables accessed via
set() (which includes access via shortcut such as
C<$state-E<gt>variable($value)> which delegates to set()) must previously
have been defined via define(). When CREATE is set to 1, calling
set($variable, $value) on a variable that doesn't exist will cause it
to be created automatically.
When CREATE is set to any other non-zero value, it is assumed to be a
regular expression pattern. If the variable name matches the regex, the
variable is created. This can be used to specify configuration file
blocks in which variables should be created, for example:
$state = AppConfig::State->new( {
CREATE => '^define_',
} );
In a config file:
[define]
name = fred # define_name gets created automatically
[other]
name = john # other_name doesn't - warning raised
Note that a regex pattern specified in CREATE is applied to the real
variable name rather than any alias by which the variables may be
accessed.
=item PEDANTIC
The PEDANTIC option determines what action the configuration file
(AppConfig::File) or argument parser (AppConfig::Args) should take
on encountering a warning condition (typically caused when trying to set an
undeclared variable). If PEDANTIC is set to any true value, the parsing
methods will immediately return a value of 0 on encountering such a
condition. If PEDANTIC is not set, the method will continue to parse the
remainder of the current file(s) or arguments, returning 0 when complete.
If no warnings or errors are encountered, the method returns 1.
In the case of a system error (e.g. unable to open a file), the method
returns undef immediately, regardless of the PEDANTIC option.
=item ERROR
Specifies a user-defined error handling routine. When the handler is
called, a format string is passed as the first parameter, followed by
any additional values, as per printf(3C).
=item DEBUG
Turns debugging on or off when set to 1 or 0 accordingly. Debugging may
also be activated by calling _debug() as an object method
(C<$state-E<gt>_debug(1)>) or as a package function
(C<AppConfig::State::_debug(1)>), passing in a true/false value to
set the debugging state accordingly. The package variable
$AppConfig::State::DEBUG can also be set directly.
The _debug() method returns the current debug value. If a new value
is passed in, the internal value is updated, but the previous value is
returned.
Note that any AppConfig::File or App::Config::Args objects that are
instantiated with a reference to an App::State will inherit the
DEBUG (and also PEDANTIC) values of the state at that time. Subsequent
changes to the AppConfig::State debug value will not affect them.
=item GLOBAL
The GLOBAL option allows default values to be set for the DEFAULT, ARGCOUNT,
EXPAND, VALIDATE and ACTION options for any subsequently defined variables.
$state = AppConfig::State->new({
GLOBAL => {
DEFAULT => '<undef>', # default value for new vars
ARGCOUNT => 1, # vars expect an argument
ACTION => \&my_set_var, # callback when vars get set
}
});
Any attributes specified explicitly when a variable is defined will
override any GLOBAL values.
See L<DEFINING VARIABLES> below which describes these options in detail.
=back
=head2 DEFINING VARIABLES
The C<define()> function is used to pre-declare a variable and specify
its configuration.
$state->define("foo");
In the simple example above, a new variable called "foo" is defined. A
reference to a hash array may also be passed to specify configuration
information for the variable:
$state->define("foo", {
DEFAULT => 99,
ALIAS => 'metavar1',
});
Any variable-wide GLOBAL values passed to the new() constructor in the
configuration hash will also be applied. Values explicitly specified
in a variable's define() configuration will override the respective GLOBAL
values.
The following configuration options may be specified
=over 4
=item DEFAULT
The DEFAULT value is used to initialise the variable.
$state->define("drink", {
DEFAULT => 'coffee',
});
print $state->drink(); # prints "coffee"
=item ALIAS
The ALIAS option allows a number of alternative names to be specified for
this variable. A single alias should be specified as a string. Multiple
aliases can be specified as a reference to an array of alternatives or as
a string of names separated by vertical bars, '|'. e.g.:
# either
$state->define("name", {
ALIAS => 'person',
});
# or
$state->define("name", {
ALIAS => [ 'person', 'user', 'uid' ],
});
# or
$state->define("name", {
ALIAS => 'person|user|uid',
});
$state->user('abw'); # equivalent to $state->name('abw');
=item ARGCOUNT
The ARGCOUNT option specifies the number of arguments that should be
supplied for this variable. By default, no additional arguments are
expected for variables (ARGCOUNT_NONE).
The ARGCOUNT_* constants can be imported from the AppConfig module:
use AppConfig ':argcount';
$state->define('foo', { ARGCOUNT => ARGCOUNT_ONE });
or can be accessed directly from the AppConfig package:
use AppConfig;
$state->define('foo', { ARGCOUNT => AppConfig::ARGCOUNT_ONE });
The following values for ARGCOUNT may be specified.
=over 4
=item ARGCOUNT_NONE (0)
Indicates that no additional arguments are expected. If the variable is
identified in a confirguration file or in the command line arguments, it
is set to a value of 1 regardless of whatever arguments follow it.
=item ARGCOUNT_ONE (1)
Indicates that the variable expects a single argument to be provided.
The variable value will be overwritten with a new value each time it
is encountered.
=item ARGCOUNT_LIST (2)
Indicates that the variable expects multiple arguments. The variable
value will be appended to the list of previous values each time it is
encountered.
=item ARGCOUNT_HASH (3)
Indicates that the variable expects multiple arguments and that each
argument is of the form "key=value". The argument will be split into
a key/value pair and inserted into the hash of values each time it
is encountered.
=back
=item ARGS
The ARGS option can also be used to specify advanced command line options
for use with AppConfig::Getopt, which itself delegates to Getopt::Long.
See those two modules for more information on the format and meaning of
these options.
$state->define("name", {
ARGS => "=i@",
});
=item EXPAND
The EXPAND option specifies how the AppConfig::File processor should
expand embedded variables in the configuration file values it reads.
By default, EXPAND is turned off (EXPAND_NONE) and no expansion is made.
The EXPAND_* constants can be imported from the AppConfig module:
use AppConfig ':expand';
$state->define('foo', { EXPAND => EXPAND_VAR });
or can be accessed directly from the AppConfig package:
use AppConfig;
$state->define('foo', { EXPAND => AppConfig::EXPAND_VAR });
The following values for EXPAND may be specified. Multiple values should
be combined with vertical bars , '|', e.g. C<EXPAND_UID | EXPAND_VAR>).
=over 4
=item EXPAND_NONE
Indicates that no variable expansion should be attempted.
=item EXPAND_VAR
Indicates that variables embedded as $var or $(var) should be expanded
to the values of the relevant AppConfig::State variables.
=item EXPAND_UID
Indicates that '~' or '~uid' patterns in the string should be
expanded to the current users ($<), or specified user's home directory.
In the first case, C<~> is expanded to the value of the C<HOME>
environment variable. In the second case, the C<getpwnam()> method
is used if it is available on your system (which it isn't on Win32).
=item EXPAND_ENV
Inidicates that variables embedded as ${var} should be expanded to the
value of the relevant environment variable.
=item EXPAND_ALL
Equivalent to C<EXPAND_VARS | EXPAND_UIDS | EXPAND_ENVS>).
=item EXPAND_WARN
Indicates that embedded variables that are not defined should raise a
warning. If PEDANTIC is set, this will cause the read() method to return 0
immediately.
=back
=item VALIDATE
Each variable may have a sub-routine or regular expression defined which
is used to validate the intended value for a variable before it is set.
If VALIDATE is defined as a regular expression, it is applied to the
value and deemed valid if the pattern matches. In this case, the
variable is then set to the new value. A warning message is generated
if the pattern match fails.
VALIDATE may also be defined as a reference to a sub-routine which takes
as its arguments the name of the variable and its intended value. The
sub-routine should return 1 or 0 to indicate that the value is valid
or invalid, respectively. An invalid value will cause a warning error
message to be generated.
If the GLOBAL VALIDATE variable is set (see GLOBAL in L<DESCRIPTION>
above) then this value will be used as the default VALIDATE for each
variable unless otherwise specified.
$state->define("age", {
VALIDATE => '\d+',
});
$state->define("pin", {
VALIDATE => \&check_pin,
});
=item ACTION
The ACTION option allows a sub-routine to be bound to a variable as a
callback that is executed whenever the variable is set. The ACTION is
passed a reference to the AppConfig::State object, the name of the
variable and the value of the variable.
The ACTION routine may be used, for example, to post-process variable
data, update the value of some other dependant variable, generate a
warning message, etc.
Example:
$state->define("foo", { ACTION => \&my_notify });
sub my_notify {
my $state = shift;
my $var = shift;
my $val = shift;
print "$variable set to $value";
}
$state->foo(42); # prints "foo set to 42"
Be aware that calling C<$state-E<gt>set()> to update the same variable
from within the ACTION function will cause a recursive loop as the
ACTION function is repeatedly called.
=back
=head2 DEFINING VARIABLES USING THE COMPACT FORMAT
Variables may be defined in a compact format which allows any ALIAS and
ARGS values to be specified as part of the variable name. This is designed
to mimic the behaviour of Johan Vromans' Getopt::Long module.
Aliases for a variable should be specified after the variable name,
separated by vertical bars, '|'. Any ARGS parameter should be appended
after the variable name(s) and/or aliases.
The following examples are equivalent:
$state->define("foo", {
ALIAS => [ 'bar', 'baz' ],
ARGS => '=i',
});
$state->define("foo|bar|baz=i");
=head2 READING AND MODIFYING VARIABLE VALUES
AppConfig::State defines two methods to manipulate variable values:
set($variable, $value);
get($variable);
Both functions take the variable name as the first parameter and
C<set()> takes an additional parameter which is the new value for the
variable. C<set()> returns 1 or 0 to indicate successful or
unsuccessful update of the variable value. If there is an ACTION
routine associated with the named variable, the value returned will be
passed back from C<set()>. The C<get()> function returns the current
value of the variable.
Once defined, variables may be accessed directly as object methods where
the method name is the same as the variable name. i.e.
$state->set("verbose", 1);
is equivalent to
$state->verbose(1);
Without parameters, the current value of the variable is returned. If
a parameter is specified, the variable is set to that value and the
result of the set() operation is returned.
$state->age(29); # sets 'age' to 29, returns 1 (ok)
=head2 VARLIST
The varlist() method can be used to extract a number of variables into
a hash array. The first parameter should be a regular expression
used for matching against the variable names.
my %vars = $state->varlist("^file"); # all "file*" variables
A second parameter may be specified (any true value) to indicate that
the part of the variable name matching the regex should be removed
when copied to the target hash.
$state->file_name("/tmp/file");
$state->file_path("/foo:/bar:/baz");
my %vars = $state->varlist("^file_", 1);
# %vars:
# name => /tmp/file
# path => "/foo:/bar:/baz"
=head2 INTERNAL METHODS
The interal (private) methods of the AppConfig::State class are listed
below.
They aren't intended for regular use and potential users should consider
the fact that nothing about the internal implementation is guaranteed to
remain the same. Having said that, the AppConfig::State class is
intended to co-exist and work with a number of other modules and these
are considered "friend" classes. These methods are provided, in part,
as services to them. With this acknowledged co-operation in mind, it is
safe to assume some stability in this core interface.
The _varname() method can be used to determine the real name of a variable
from an alias:
$varname->_varname($alias);
Note that all methods that take a variable name, including those listed
below, can accept an alias and automatically resolve it to the correct
variable name. There is no need to call _varname() explicitly to do
alias expansion. The _varname() method will fold all variables names
to lower case unless CASE sensititvity is set.
The _exists() method can be used to check if a variable has been
defined:
$state->_exists($varname);
The _default() method can be used to reset a variable to its default value:
$state->_default($varname);
The _expand() method can be used to determine the EXPAND value for a
variable:
print "$varname EXPAND: ", $state->_expand($varname), "\n";
The _argcount() method returns the value of the ARGCOUNT attribute for a
variable:
print "$varname ARGCOUNT: ", $state->_argcount($varname), "\n";
The _validate() method can be used to determine if a new value for a variable
meets any validation criteria specified for it. The variable name and
intended value should be passed in. The methods returns a true/false value
depending on whether or not the validation succeeded:
print "OK\n" if $state->_validate($varname, $value);
The _pedantic() method can be called to determine the current value of the
PEDANTIC option.
print "pedantic mode is ", $state->_pedantic() ? "on" ; "off", "\n";
The _debug() method can be used to turn debugging on or off (pass 1 or 0
as a parameter). It can also be used to check the debug state,
returning the current internal value of $AppConfig::State::DEBUG. If a
new debug value is provided, the debug state is updated and the previous
state is returned.
$state->_debug(1); # debug on, returns previous value
The _dump_var($varname) and _dump() methods may also be called for
debugging purposes.
$state->_dump_var($varname); # show variable state
$state->_dump(); # show internal state and all vars
=head1 AUTHOR
Andy Wardley, E<lt>abw@wardley.orgE<gt>
=head1 COPYRIGHT
Copyright (C) 1997-2007 Andy Wardley. All Rights Reserved.
Copyright (C) 1997,1998 Canon Research Centre Europe Ltd.
This module is free software; you can redistribute it and/or modify it
under the same terms as Perl itself.
=head1 SEE ALSO
AppConfig, AppConfig::File, AppConfig::Args, AppConfig::Getopt
=cut
PK
gl\�� �3 3 perl5/5.32/AppConfig/Getopt.pmnu ��6�$ #============================================================================
#
# AppConfig::Getopt.pm
#
# Perl5 module to interface AppConfig::* to Johan Vromans' Getopt::Long
# module. Getopt::Long implements the POSIX standard for command line
# options, with GNU extensions, and also traditional one-letter options.
# AppConfig::Getopt constructs the necessary Getopt:::Long configuration
# from the internal AppConfig::State and delegates the parsing of command
# line arguments to it. Internal variable values are updated by callback
# from GetOptions().
#
# Written by Andy Wardley <abw@wardley.org>
#
# Copyright (C) 1997-2007 Andy Wardley. All Rights Reserved.
# Copyright (C) 1997,1998 Canon Research Centre Europe Ltd.
#
#============================================================================
package AppConfig::Getopt;
use 5.006;
use strict;
use warnings;
use AppConfig::State;
use Getopt::Long 2.17;
our $VERSION = '1.71';
#------------------------------------------------------------------------
# new($state, \@args)
#
# Module constructor. The first, mandatory parameter should be a
# reference to an AppConfig::State object to which all actions should
# be applied. The second parameter may be a reference to a list of
# command line arguments. This list reference is passed to parse() for
# processing.
#
# Returns a reference to a newly created AppConfig::Getopt object.
#------------------------------------------------------------------------
sub new {
my $class = shift;
my $state = shift;
my $self = {
STATE => $state,
};
bless $self, $class;
# call parse() to parse any arg list passed
$self->parse(@_)
if @_;
return $self;
}
#------------------------------------------------------------------------
# parse(@$config, \@args)
#
# Constructs the appropriate configuration information and then delegates
# the task of processing command line options to Getopt::Long.
#
# Returns 1 on success or 0 if one or more warnings were raised.
#------------------------------------------------------------------------
sub parse {
my $self = shift;
my $state = $self->{ STATE };
my (@config, $args, $getopt);
local $" = ', ';
# we trap $SIG{__WARN__} errors and patch them into AppConfig::State
local $SIG{__WARN__} = sub {
my $msg = shift;
# AppConfig::State doesn't expect CR terminated error messages
# and it uses printf, so we protect any embedded '%' chars
chomp($msg);
$state->_error("%s", $msg);
};
# slurp all config items into @config
push(@config, shift) while defined $_[0] && ! ref($_[0]);
# add debug status if appropriate (hmm...can't decide about this)
# push(@config, 'debug') if $state->_debug();
# next parameter may be a reference to a list of args
$args = shift;
# copy any args explicitly specified into @ARGV
@ARGV = @$args if defined $args;
# we enclose in an eval block because constructor may die()
eval {
# configure Getopt::Long
Getopt::Long::Configure(@config);
# construct options list from AppConfig::State variables
my @opts = $self->{ STATE }->_getopt_state();
# DEBUG
if ($state->_debug()) {
print STDERR "Calling GetOptions(@opts)\n";
print STDERR "\@ARGV = (@ARGV)\n";
};
# call GetOptions() with specifications constructed from the state
$getopt = GetOptions(@opts);
};
if ($@) {
chomp($@);
$state->_error("%s", $@);
return 0;
}
# udpdate any args reference passed to include only that which is left
# in @ARGV
@$args = @ARGV if defined $args;
return $getopt;
}
#========================================================================
# AppConfig::State
#========================================================================
package AppConfig::State;
#------------------------------------------------------------------------
# _getopt_state()
#
# Constructs option specs in the Getopt::Long format for each variable
# definition.
#
# Returns a list of specification strings.
#------------------------------------------------------------------------
sub _getopt_state {
my $self = shift;
my ($var, $spec, $args, $argcount, @specs);
my $linkage = sub { $self->set(@_) };
foreach $var (keys %{ $self->{ VARIABLE } }) {
$spec = join('|', $var, @{ $self->{ ALIASES }->{ $var } || [ ] });
# an ARGS value is used, if specified
unless (defined ($args = $self->{ ARGS }->{ $var })) {
# otherwise, construct a basic one from ARGCOUNT
ARGCOUNT: {
last ARGCOUNT unless
defined ($argcount = $self->{ ARGCOUNT }->{ $var });
$args = "=s", last ARGCOUNT if $argcount eq ARGCOUNT_ONE;
$args = "=s@", last ARGCOUNT if $argcount eq ARGCOUNT_LIST;
$args = "=s%", last ARGCOUNT if $argcount eq ARGCOUNT_HASH;
$args = "!";
}
}
$spec .= $args if defined $args;
push(@specs, $spec, $linkage);
}
return @specs;
}
1;
__END__
=head1 NAME
AppConfig::Getopt - Perl5 module for processing command line arguments via delegation to Getopt::Long.
=head1 SYNOPSIS
use AppConfig::Getopt;
my $state = AppConfig::State->new(\%cfg);
my $getopt = AppConfig::Getopt->new($state);
$getopt->parse(\@args); # read args
=head1 OVERVIEW
AppConfig::Getopt is a Perl5 module which delegates to Johan Vroman's
Getopt::Long module to parse command line arguments and update values
in an AppConfig::State object accordingly.
AppConfig::Getopt is distributed as part of the AppConfig bundle.
=head1 DESCRIPTION
=head2 USING THE AppConfig::Getopt MODULE
To import and use the AppConfig::Getopt module the following line should appear
in your Perl script:
use AppConfig::Getopt;
AppConfig::Getopt is used automatically if you use the AppConfig module
and create an AppConfig::Getopt object through the getopt() method.
AppConfig::Getopt is implemented using object-oriented methods. A new
AppConfig::Getopt object is created and initialised using the new() method.
This returns a reference to a new AppConfig::Getopt object. A reference to
an AppConfig::State object should be passed in as the first parameter:
my $state = AppConfig::State->new();
my $getopt = AppConfig::Getopt->new($state);
This will create and return a reference to a new AppConfig::Getopt object.
=head2 PARSING COMMAND LINE ARGUMENTS
The C<parse()> method is used to read a list of command line arguments and
update the state accordingly.
The first (non-list reference) parameters may contain a number of
configuration strings to pass to Getopt::Long::Configure. A reference
to a list of arguments may additionally be passed or @ARGV is used by
default.
$getopt->parse(); # uses @ARGV
$getopt->parse(\@myargs);
$getopt->parse(qw(auto_abbrev debug)); # uses @ARGV
$getopt->parse(qw(debug), \@myargs);
See Getopt::Long for details of the configuartion options available.
A Getopt::Long specification string is constructed for each variable
defined in the AppConfig::State. This consists of the name, any aliases
and the ARGS value for the variable.
These specification string are then passed to Getopt::Long, the arguments
are parsed and the values in the AppConfig::State updated.
See AppConfig for information about using the AppConfig::Getopt
module via the getopt() method.
=head1 AUTHOR
Andy Wardley, E<lt>abw@wardley.orgE<gt>
=head1 COPYRIGHT
Copyright (C) 1997-2007 Andy Wardley. All Rights Reserved.
Copyright (C) 1997,1998 Canon Research Centre Europe Ltd.
This module is free software; you can redistribute it and/or modify it
under the same terms as Perl itself.
=head1 ACKNOWLEDGMENTS
Many thanks are due to Johan Vromans for the Getopt::Long module. He was
kind enough to offer assistance and access to early releases of his code to
enable this module to be written.
=head1 SEE ALSO
AppConfig, AppConfig::State, AppConfig::Args, Getopt::Long
=cut
PK gl\f�OM^ ^ perl5/5.32/AppConfig/File.pmnu ��6�$ #============================================================================
#
# AppConfig::File.pm
#
# Perl5 module to read configuration files and use the contents therein
# to update variable values in an AppConfig::State object.
#
# Written by Andy Wardley <abw@wardley.org>
#
# Copyright (C) 1997-2007 Andy Wardley. All Rights Reserved.
# Copyright (C) 1997,1998 Canon Research Centre Europe Ltd.
#
#============================================================================
package AppConfig::File;
use 5.006;
use strict;
use warnings;
use AppConfig;
use AppConfig::State;
our $VERSION = '1.71';
#------------------------------------------------------------------------
# new($state, $file, [$file, ...])
#
# Module constructor. The first, mandatory parameter should be a
# reference to an AppConfig::State object to which all actions should
# be applied. The remaining parameters are assumed to be file names or
# file handles for reading and are passed to parse().
#
# Returns a reference to a newly created AppConfig::File object.
#------------------------------------------------------------------------
sub new {
my $class = shift;
my $state = shift;
my $self = {
STATE => $state, # AppConfig::State ref
DEBUG => $state->_debug(), # store local copy of debug
PEDANTIC => $state->_pedantic, # and pedantic flags
};
bless $self, $class;
# call parse(@_) to parse any files specified as further params
$self->parse(@_) if @_;
return $self;
}
#------------------------------------------------------------------------
# parse($file, [file, ...])
#
# Reads and parses a config file, updating the contents of the
# AppConfig::State referenced by $self->{ STATE } according to the
# contents of the file. Multiple files may be specified and are
# examined in turn. The method reports any error condition via
# $self->{ STATE }->_error() and immediately returns undef if it
# encounters a system error (i.e. cannot open one of the files.
# Parsing errors such as unknown variables or unvalidated values will
# also cause warnings to be raised vi the same _error(), but parsing
# continues to the end of the current file and through any subsequent
# files. If the PEDANTIC option is set in the $self->{ STATE } object,
# the behaviour is overridden and the method returns 0 immediately on
# any system or parsing error.
#
# The EXPAND option for each variable determines how the variable
# value should be expanded.
#
# Returns undef on system error, 0 if all files were parsed but generated
# one or more warnings, 1 if all files parsed without warnings.
#------------------------------------------------------------------------
sub parse {
my $self = shift;
my $warnings = 0;
my $prefix; # [block] defines $prefix
my $file;
my $flag;
# take a local copy of the state to avoid much hash dereferencing
my ($state, $debug, $pedantic) = @$self{ qw( STATE DEBUG PEDANTIC ) };
# we want to install a custom error handler into the AppConfig::State
# which appends filename and line info to error messages and then
# calls the previous handler; we start by taking a copy of the
# current handler..
my $errhandler = $state->_ehandler();
# ...and if it doesn't exist, we craft a default handler
$errhandler = sub { warn(sprintf(shift, @_), "\n") }
unless defined $errhandler;
# install a closure as a new error handler
$state->_ehandler(
sub {
# modify the error message
my $format = shift;
$format .= ref $file
? " at line $."
: " at $file line $.";
# chain call to prevous handler
&$errhandler($format, @_);
}
);
# trawl through all files passed as params
FILE: while ($file = shift) {
# local/lexical vars ensure opened files get closed
my $handle;
local *FH;
# if the file is a reference, we assume it's a file handle, if
# not, we assume it's a filename and attempt to open it
$handle = $file;
if (ref($file)) {
$handle = $file;
# DEBUG
print STDERR "reading from file handle: $file\n" if $debug;
}
else {
# open and read config file
open(FH, $file) or do {
# restore original error handler and report error
$state->_ehandler($errhandler);
$state->_error("$file: $!");
return undef;
};
$handle = \*FH;
# DEBUG
print STDERR "reading file: $file\n" if $debug;
}
# initialise $prefix to nothing (no [block])
$prefix = '';
local $_;
while (<$handle>) {
chomp;
# Throw away everything from an unescaped # to EOL
s/(^|\s+)#.*/$1/;
# add next line if there is one and this is a continuation
if (s/\\$// && !eof($handle)) {
$_ .= <$handle>;
redo;
}
# Convert \# -> #
s/\\#/#/g;
# ignore blank lines
next if /^\s*$/;
# strip leading and trailing whitespace
s/^\s+//;
s/\s+$//;
# look for a [block] to set $prefix
if (/^\[([^\]]+)\]$/) {
$prefix = $1;
print STDERR "Entering [$prefix] block\n" if $debug;
next;
}
# split line up by whitespace (\s+) or "equals" (\s*=\s*)
if (/^([^\s=]+)(?:(?:(?:\s*=\s*)|\s+)(.*))?/) {
my ($variable, $value) = ($1, $2);
if (defined $value) {
# here document
if ($value =~ /^([^\s=]+\s*=)?\s*<<(['"]?)(\S+)\2$/) { # '<<XX' or 'hashkey =<<XX'
my $boundary = "$3\n";
$value = defined($1) ? $1 : '';
while (<$handle>) {
last if $_ eq $boundary;
$value .= $_;
};
$value =~ s/[\r\n]$//;
} else {
# strip any quoting from the variable value
$value =~ s/^(['"])(.*)\1$/$2/;
};
};
# strip any leading '+/-' from the variable
$variable =~ s/^([\-+]?)//;
$flag = $1;
# $variable gets any $prefix
$variable = $prefix . '_' . $variable
if length $prefix;
# if the variable doesn't exist, we call set() to give
# AppConfig::State a chance to auto-create it
unless ($state->_exists($variable)
|| $state->set($variable, 1)) {
$warnings++;
last FILE if $pedantic;
next;
}
my $nargs = $state->_argcount($variable);
# variables prefixed '-' are reset to their default values
if ($flag eq '-') {
$state->_default($variable);
next;
}
# those prefixed '+' get set to 1
elsif ($flag eq '+') {
$value = 1 unless defined $value;
}
# determine if any extra arguments were expected
if ($nargs) {
if (defined $value && length $value) {
# expand any embedded variables, ~uids or
# environment variables, testing the return value
# for errors; we pass in any variable-specific
# EXPAND value
unless ($self->_expand(\$value,
$state->_expand($variable), $prefix)) {
print STDERR "expansion of [$value] failed\n"
if $debug;
$warnings++;
last FILE if $pedantic;
}
}
else {
$state->_error("$variable expects an argument");
$warnings++;
last FILE if $pedantic;
next;
}
}
# $nargs = 0
else {
# default value to 1 unless it is explicitly defined
# as '0' or "off"
if (defined $value) {
# "off" => 0
$value = 0 if $value =~ /off/i;
# any value => 1
$value = 1 if $value;
}
else {
# assume 1 unless explicitly defined off/0
$value = 1;
}
print STDERR "$variable => $value (no expansion)\n"
if $debug;
}
# set the variable, noting any failure from set()
unless ($state->set($variable, $value)) {
$warnings++;
last FILE if $pedantic;
}
}
else {
$state->_error("parse error");
$warnings++;
}
}
}
# restore original error handler
$state->_ehandler($errhandler);
# return $warnings => 0, $success => 1
return $warnings ? 0 : 1;
}
#========================================================================
# ----- PRIVATE METHODS -----
#========================================================================
#------------------------------------------------------------------------
# _expand(\$value, $expand, $prefix)
#
# The variable value string, referenced by $value, is examined and any
# embedded variables, environment variables or tilde globs (home
# directories) are replaced with their respective values, depending on
# the value of the second parameter, $expand. The third paramter may
# specify the name of the current [block] in which the parser is
# parsing. This prefix is prepended to any embedded variable name that
# can't otherwise be resolved. This allows the following to work:
#
# [define]
# home = /home/abw
# html = $define_home/public_html
# html = $home/public_html # same as above, 'define' is prefix
#
# Modifications are made directly into the variable referenced by $value.
# The method returns 1 on success or 0 if any warnings (undefined
# variables) were encountered.
#------------------------------------------------------------------------
sub _expand {
my ($self, $value, $expand, $prefix) = @_;
my $warnings = 0;
my ($sys, $var, $val);
# ensure prefix contains something (nothing!) valid for length()
$prefix = "" unless defined $prefix;
# take a local copy of the state to avoid much hash dereferencing
my ($state, $debug, $pedantic) = @$self{ qw( STATE DEBUG PEDANTIC ) };
# bail out if there's nothing to do
return 1 unless $expand && defined($$value);
# create an AppConfig::Sys instance, or re-use a previous one,
# to handle platform dependant functions: getpwnam(), getpwuid()
unless ($sys = $self->{ SYS }) {
require AppConfig::Sys;
$sys = $self->{ SYS } = AppConfig::Sys->new();
}
print STDERR "Expansion of [$$value] " if $debug;
EXPAND: {
#
# EXPAND_VAR
# expand $(var) and $var as AppConfig::State variables
#
if ($expand & AppConfig::EXPAND_VAR) {
$$value =~ s{
(?<!\\)\$ (?: \((\w+)\) | (\w+) ) # $2 => $(var) | $3 => $var
} {
# embedded variable name will be one of $2 or $3
$var = defined $1 ? $1 : $2;
# expand the variable if defined
if ($state->_exists($var)) {
$val = $state->get($var);
}
elsif (length $prefix
&& $state->_exists($prefix . '_' . $var)) {
print STDERR "(\$$var => \$${prefix}_$var) "
if $debug;
$var = $prefix . '_' . $var;
$val = $state->get($var);
}
else {
# raise a warning if EXPAND_WARN set
if ($expand & AppConfig::EXPAND_WARN) {
$state->_error("$var: no such variable");
$warnings++;
}
# replace variable with nothing
$val = '';
}
# $val gets substituted back into the $value string
$val;
}gex;
$$value =~ s/\\\$/\$/g;
# bail out now if we need to
last EXPAND if $warnings && $pedantic;
}
#
# EXPAND_UID
# expand ~uid as home directory (for $< if uid not specified)
#
if ($expand & AppConfig::EXPAND_UID) {
$$value =~ s{
~(\w+)? # $1 => username (optional)
} {
$val = undef;
# embedded user name may be in $1
if (defined ($var = $1)) {
# try and get user's home directory
if ($sys->can_getpwnam()) {
$val = ($sys->getpwnam($var))[7];
}
} else {
# determine home directory
$val = $ENV{ HOME };
}
# catch-all for undefined $dir
unless (defined $val) {
# raise a warning if EXPAND_WARN set
if ($expand & AppConfig::EXPAND_WARN) {
$state->_error("cannot determine home directory%s",
defined $var ? " for $var" : "");
$warnings++;
}
# replace variable with nothing
$val = '';
}
# $val gets substituted back into the $value string
$val;
}gex;
# bail out now if we need to
last EXPAND if $warnings && $pedantic;
}
#
# EXPAND_ENV
# expand ${VAR} as environment variables
#
if ($expand & AppConfig::EXPAND_ENV) {
$$value =~ s{
( \$ \{ (\w+) \} )
} {
$var = $2;
# expand the variable if defined
if (exists $ENV{ $var }) {
$val = $ENV{ $var };
} elsif ( $var eq 'HOME' ) {
# In the special case of HOME, if not set
# use the internal version
$val = $self->{ HOME };
} else {
# raise a warning if EXPAND_WARN set
if ($expand & AppConfig::EXPAND_WARN) {
$state->_error("$var: no such environment variable");
$warnings++;
}
# replace variable with nothing
$val = '';
}
# $val gets substituted back into the $value string
$val;
}gex;
# bail out now if we need to
last EXPAND if $warnings && $pedantic;
}
}
print STDERR "=> [$$value] (EXPAND = $expand)\n" if $debug;
# return status
return $warnings ? 0 : 1;
}
#------------------------------------------------------------------------
# _dump()
#
# Dumps the contents of the Config object.
#------------------------------------------------------------------------
sub _dump {
my $self = shift;
foreach my $key (keys %$self) {
printf("%-10s => %s\n", $key,
defined($self->{ $key }) ? $self->{ $key } : "<undef>");
}
}
1;
__END__
=head1 NAME
AppConfig::File - Perl5 module for reading configuration files.
=head1 SYNOPSIS
use AppConfig::File;
my $state = AppConfig::State->new(\%cfg1);
my $cfgfile = AppConfig::File->new($state, $file);
$cfgfile->parse($file); # read config file
=head1 OVERVIEW
AppConfig::File is a Perl5 module which reads configuration files and use
the contents therein to update variable values in an AppConfig::State
object.
AppConfig::File is distributed as part of the AppConfig bundle.
=head1 DESCRIPTION
=head2 USING THE AppConfig::File MODULE
To import and use the AppConfig::File module the following line should appear
in your Perl script:
use AppConfig::File;
AppConfig::File is used automatically if you use the AppConfig module
and create an AppConfig::File object through the file() method.
AppConfig::File is implemented using object-oriented methods. A new
AppConfig::File object is created and initialised using the
AppConfig::File->new() method. This returns a reference to a new
AppConfig::File object. A reference to an AppConfig::State object
should be passed in as the first parameter:
my $state = AppConfig::State->new();
my $cfgfile = AppConfig::File->new($state);
This will create and return a reference to a new AppConfig::File object.
=head2 READING CONFIGURATION FILES
The C<parse()> method is used to read a configuration file and have the
contents update the STATE accordingly.
$cfgfile->parse($file);
Multiple files maye be specified and will be read in turn.
$cfgfile->parse($file1, $file2, $file3);
The method will return an undef value if it encounters any errors opening
the files. It will return immediately without processing any further files.
By default, the PEDANTIC option in the AppConfig::State object,
$self->{ STATE }, is turned off and any parsing errors (invalid variables,
unvalidated values, etc) will generated warnings, but not cause the method
to return. Having processed all files, the method will return 1 if all
files were processed without warning or 0 if one or more warnings were
raised. When the PEDANTIC option is turned on, the method generates a
warning and immediately returns a value of 0 as soon as it encounters any
parsing error.
Variables values in the configuration files may be expanded depending on
the value of their EXPAND option, as determined from the App::State object.
See L<AppConfig::State> for more information on variable expansion.
=head2 CONFIGURATION FILE FORMAT
A configuration file may contain blank lines and comments which are
ignored. Comments begin with a '#' as the first character on a line
or following one or more whitespace tokens, and continue to the end of
the line.
# this is a comment
foo = bar # so is this
url = index.html#hello # this too, but not the '#welcome'
Notice how the '#welcome' part of the URL is not treated as a comment
because a whitespace character doesn't precede it.
Long lines can be continued onto the next line by ending the first
line with a '\'.
callsign = alpha bravo camel delta echo foxtrot golf hipowls \
india juliet kilo llama mike november oscar papa \
quebec romeo sierra tango umbrella victor whiskey \
x-ray yankee zebra
Variables that are simple flags and do not expect an argument (ARGCOUNT =
ARGCOUNT_NONE) can be specified without any value. They will be set with
the value 1, with any value explicitly specified (except "0" and "off")
being ignored. The variable may also be specified with a "no" prefix to
implicitly set the variable to 0.
verbose # on (1)
verbose = 1 # on (1)
verbose = 0 # off (0)
verbose off # off (0)
verbose on # on (1)
verbose mumble # on (1)
noverbose # off (0)
Variables that expect an argument (ARGCOUNT = ARGCOUNT_ONE) will be set to
whatever follows the variable name, up to the end of the current line. An
equals sign may be inserted between the variable and value for clarity.
room = /home/kitchen
room /home/bedroom
Each subsequent re-definition of the variable value overwrites the previous
value.
print $config->room(); # prints "/home/bedroom"
Variables may be defined to accept multiple values (ARGCOUNT = ARGCOUNT_LIST).
Each subsequent definition of the variable adds the value to the list of
previously set values for the variable.
drink = coffee
drink = tea
A reference to a list of values is returned when the variable is requested.
my $beverages = $config->drinks();
print join(", ", @$beverages); # prints "coffee, tea"
Variables may also be defined as hash lists (ARGCOUNT = ARGCOUNT_HASH).
Each subsequent definition creates a new key and value in the hash array.
alias l="ls -CF"
alias h="history"
A reference to the hash is returned when the variable is requested.
my $aliases = $config->alias();
foreach my $k (keys %$aliases) {
print "$k => $aliases->{ $k }\n";
}
A large chunk of text can be defined using Perl's "heredoc" quoting
style.
scalar = <<BOUNDARY_STRING
line 1
line 2: Space/linebreaks within a HERE document are kept.
line 3: The last linebreak (\n) is stripped.
BOUNDARY_STRING
hash key1 = <<'FOO'
* Quotes (['"]) around the boundary string are simply ignored.
* Whether the variables in HERE document are expanded depends on
the EXPAND option of the variable or global setting.
FOO
hash = key2 = <<"_bar_"
Text within HERE document are kept as is.
# comments are treated as a normal text.
The same applies to line continuation. \
_bar_
Note that you cannot use HERE document as a key in a hash or a name
of a variable.
The '-' prefix can be used to reset a variable to its default value and
the '+' prefix can be used to set it to 1
-verbose
+debug
Variable, environment variable and tilde (home directory) expansions
Variable values may contain references to other AppConfig variables,
environment variables and/or users' home directories. These will be
expanded depending on the EXPAND value for each variable or the GLOBAL
EXPAND value.
Three different expansion types may be applied:
bin = ~/bin # expand '~' to home dir if EXPAND_UID
tmp = ~abw/tmp # as above, but home dir for user 'abw'
perl = $bin/perl # expand value of 'bin' variable if EXPAND_VAR
ripl = $(bin)/ripl # as above with explicit parens
home = ${HOME} # expand HOME environment var if EXPAND_ENV
See L<AppConfig::State> for more information on expanding variable values.
The configuration files may have variables arranged in blocks. A block
header, consisting of the block name in square brackets, introduces a
configuration block. The block name and an underscore are then prefixed
to the names of all variables subsequently referenced in that block. The
block continues until the next block definition or to the end of the current
file.
[block1]
foo = 10 # block1_foo = 10
[block2]
foo = 20 # block2_foo = 20
=head1 AUTHOR
Andy Wardley, E<lt>abw@wardley.orgE<gt>
=head1 COPYRIGHT
Copyright (C) 1997-2007 Andy Wardley. All Rights Reserved.
This module is free software; you can redistribute it and/or modify it
under the same terms as Perl itself.
=head1 SEE ALSO
AppConfig, AppConfig::State
=cut
PK gl\����RR RR perl5/5.32/FFI/CheckLib.pmnu ��6�$ package FFI::CheckLib;
use strict;
use warnings;
use File::Spec;
use List::Util 1.33 qw( any );
use Carp qw( croak carp );
use Env qw( @FFI_CHECKLIB_PATH );
use base qw( Exporter );
our @EXPORT = qw(
find_lib
assert_lib
check_lib
check_lib_or_exit
find_lib_or_exit
find_lib_or_die
);
our @EXPORT_OK = qw(
which
where
has_symbols
);
# ABSTRACT: Check that a library is available for FFI
our $VERSION = '0.31'; # VERSION
our $system_path = [];
our $os ||= $^O;
my $try_ld_on_text = 0;
sub _homebrew_lib_path {
require File::Which;
return undef unless File::Which::which('brew');
chomp(my $brew_path = (qx`brew --prefix`)[0]);
return "$brew_path/lib";
}
sub _macports_lib_path {
require File::Which;
my $port_path = File::Which::which('port');
return undef unless $port_path;
$port_path =~ s|bin/port|lib|;
return $port_path;
}
sub _darwin_extra_paths {
my $pkg_managers = lc( $ENV{FFI_CHECKLIB_PACKAGE} || 'homebrew,macports' );
return () if $pkg_managers eq 'none';
my $supported_managers = {
homebrew => \&_homebrew_lib_path,
macports => \&_macports_lib_path
};
my @extra_paths = ();
foreach my $pkg_manager (split( /,/, $pkg_managers )) {
if (my $lib_path = $supported_managers->{$pkg_manager}()) {
push @extra_paths, $lib_path;
}
}
return @extra_paths;
}
my @extra_paths = ();
if($os eq 'MSWin32' || $os eq 'msys')
{
$system_path = eval {
require Env;
Env->import('@PATH');
\our @PATH;
};
die $@ if $@;
}
else
{
$system_path = eval {
require DynaLoader;
no warnings 'once';
\@DynaLoader::dl_library_path;
};
die $@ if $@;
@extra_paths = _darwin_extra_paths() if $os eq 'darwin';
}
our $pattern = [ qr{^lib(.*?)\.so(?:\.([0-9]+(?:\.[0-9]+)*))?$} ];
our $version_split = qr/\./;
if($os eq 'cygwin')
{
push @$pattern, qr{^cyg(.*?)(?:-([0-9])+)?\.dll$};
}
elsif($os eq 'msys')
{
# doesn't seem as though msys uses psudo libfoo.so files
# in the way that cygwin sometimes does. we can revisit
# this if we find otherwise.
$pattern = [ qr{^msys-(.*?)(?:-([0-9])+)?\.dll$} ];
}
elsif($os eq 'MSWin32')
{
# handle cases like libgeos-3-7-0___.dll, libproj_9_1.dll and libgtk-2.0-0.dll
$pattern = [ qr{^(?:lib)?(\w+?)(?:[_-]([0-9\-\._]+))?_*\.dll$}i ];
$version_split = qr/[_\-]/;
}
elsif($os eq 'darwin')
{
push @$pattern, qr{^lib(.*?)(?:\.([0-9]+(?:\.[0-9]+)*))?\.(?:dylib|bundle)$};
}
elsif($os eq 'linux')
{
if(-e '/etc/redhat-release' && -x '/usr/bin/ld')
{
$try_ld_on_text = 1;
}
}
sub _matches
{
my($filename, $path) = @_;
foreach my $regex (@$pattern)
{
return [
$1, # 0 capture group 1 library name
File::Spec->catfile($path, $filename), # 1 full path to library
defined $2 ? (split $version_split, $2) : (), # 2... capture group 2 library version
] if $filename =~ $regex;
}
return ();
}
sub _cmp
{
my($A,$B) = @_;
return $A->[0] cmp $B->[0] if $A->[0] ne $B->[0];
my $i=2;
while(1)
{
return 0 if !defined($A->[$i]) && !defined($B->[$i]);
return -1 if !defined $A->[$i];
return 1 if !defined $B->[$i];
return $B->[$i] <=> $A->[$i] if $A->[$i] != $B->[$i];
$i++;
}
}
my $diagnostic;
sub _is_binary
{
-B $_[0]
}
sub find_lib
{
my(%args) = @_;
undef $diagnostic;
croak "find_lib requires lib argument" unless defined $args{lib};
my $recursive = $args{_r} || $args{recursive} || 0;
# make arguments be lists.
foreach my $arg (qw( lib libpath symbol verify alien ))
{
next if ref $args{$arg} eq 'ARRAY';
if(defined $args{$arg})
{
$args{$arg} = [ $args{$arg} ];
}
else
{
$args{$arg} = [];
}
}
if(defined $args{systempath} && !ref($args{systempath}))
{
$args{systempath} = [ $args{systempath} ];
}
my @path = @{ $args{libpath} };
@path = map { _recurse($_) } @path if $recursive;
if(defined $args{systempath})
{
push @path, grep { defined } @{ $args{systempath} }
}
else
{
# This is a little convaluted, but:
# 1. These are modifications of what we consider the "system" path
# if systempath isn't explicitly passed in as systempath
# 2. FFI_CHECKLIB_PATH is considered an authortative modification
# so it goes first and overrides FFI_CHECKLIB_PACKAGE
# 3. otherwise FFI_CHECKLIB_PACKAGE does its thing and goes on
# the end because homebrew does a good job of not replacing
# anything in the system by default.
# 4. We finally add what we consider the "system" path to the end of
# the search path so that libpath will be searched first.
my @system_path = @$system_path;
if($ENV{FFI_CHECKLIB_PATH})
{
@system_path = (@FFI_CHECKLIB_PATH, @system_path);
}
else
{
foreach my $extra_path (@extra_paths)
{
push @path, $extra_path unless any { $_ eq $extra_path } @path;
}
}
push @path, @system_path;
}
my $any = any { $_ eq '*' } @{ $args{lib} };
my %missing = map { $_ => 1 } @{ $args{lib} };
my %symbols = map { $_ => 1 } @{ $args{symbol} };
my @found;
delete $missing{'*'};
alien: foreach my $alien (reverse @{ $args{alien} })
{
unless($alien =~ /^([A-Za-z_][A-Za-z_0-9]*)(::[A-Za-z_][A-Za-z_0-9]*)*$/)
{
croak "Doesn't appear to be a valid Alien name $alien";
}
unless(eval { $alien->can('dynamic_libs') })
{
{
my $pm = "$alien.pm";
$pm =~ s/::/\//g;
local $@ = '';
eval { require $pm };
next alien if $@;
}
unless(eval { $alien->can('dynamic_libs') })
{
croak "Alien $alien doesn't provide a dynamic_libs method";
}
}
unshift @path, [$alien->dynamic_libs];
}
foreach my $path (@path)
{
next if ref $path ne 'ARRAY' && ! -d $path;
my @maybe =
# make determinist based on names and versions
sort { _cmp($a,$b) }
# Filter out the items that do not match the name that we are looking for
# Filter out any broken symbolic links
grep { ($any || $missing{$_->[0]} ) && (-e $_->[1]) }
ref $path eq 'ARRAY'
? do {
map {
my($v, $d, $f) = File::Spec->splitpath($_);
_matches($f, File::Spec->catpath($v,$d,''));
} @$path;
}
: do {
my $dh;
opendir $dh, $path;
# get [ name, full_path ] mapping,
# each entry is a 2 element list ref
map { _matches($_,$path) } readdir $dh;
};
if($try_ld_on_text && $args{try_linker_script})
{
# This is tested in t/ci.t only
@maybe = map {
-B $_->[1] ? $_ : do {
my($name, $so) = @$_;
my $output = `/usr/bin/ld -t $so -o /dev/null -shared`;
$output =~ /\((.*?lib.*\.so.*?)\)/
? [$name, $1]
: die "unable to parse ld output";
}
} @maybe;
}
midloop:
foreach my $lib (@maybe)
{
next unless $any || $missing{$lib->[0]};
foreach my $verify (@{ $args{verify} })
{
next midloop unless $verify->(@$lib);
}
delete $missing{$lib->[0]};
if(%symbols)
{
require DynaLoader;
my $dll = DynaLoader::dl_load_file($lib->[1],0);
foreach my $symbol (keys %symbols)
{
if(DynaLoader::dl_find_symbol($dll, $symbol) ? 1 : 0)
{
delete $symbols{$symbol}
}
}
DynaLoader::dl_unload_file($dll);
}
my $found = $lib->[1];
unless($any)
{
while(-l $found)
{
require File::Basename;
my $dir = File::Basename::dirname($found);
$found = File::Spec->rel2abs( readlink($found), $dir );
}
}
push @found, $found;
}
}
if(%missing)
{
my @missing = sort keys %missing;
if(@missing > 1)
{ $diagnostic = "libraries not found: @missing" }
else
{ $diagnostic = "library not found: @missing" }
}
elsif(%symbols)
{
my @missing = sort keys %symbols;
if(@missing > 1)
{ $diagnostic = "symbols not found: @missing" }
else
{ $diagnostic = "symbol not found: @missing" }
}
return if %symbols;
return $found[0] unless wantarray;
return @found;
}
sub _recurse
{
my($dir) = @_;
return unless -d $dir;
my $dh;
opendir $dh, $dir;
my @list = grep { -d $_ } map { File::Spec->catdir($dir, $_) } grep !/^\.\.?$/, readdir $dh;
closedir $dh;
($dir, map { _recurse($_) } @list);
}
sub assert_lib
{
croak $diagnostic || 'library not found' unless check_lib(@_);
}
sub check_lib_or_exit
{
unless(check_lib(@_))
{
carp $diagnostic || 'library not found';
exit;
}
}
sub find_lib_or_exit
{
my(@libs) = find_lib(@_);
unless(@libs)
{
carp $diagnostic || 'library not found';
exit;
}
return unless @libs;
wantarray ? @libs : $libs[0];
}
sub find_lib_or_die
{
my(@libs) = find_lib(@_);
unless(@libs)
{
croak $diagnostic || 'library not found';
}
return unless @libs;
wantarray ? @libs : $libs[0];
}
sub check_lib
{
find_lib(@_) ? 1 : 0;
}
sub which
{
my($name) = @_;
croak("cannot which *") if $name eq '*';
scalar find_lib( lib => $name );
}
sub where
{
my($name) = @_;
$name eq '*'
? find_lib(lib => '*')
: find_lib(lib => '*', verify => sub { $_[0] eq $name });
}
sub has_symbols
{
my($path, @symbols) = @_;
require DynaLoader;
my $dll = DynaLoader::dl_load_file($path, 0);
my $ok = 1;
foreach my $symbol (@symbols)
{
unless(DynaLoader::dl_find_symbol($dll, $symbol))
{
$ok = 0;
last;
}
}
DynaLoader::dl_unload_file($dll);
$ok;
}
sub system_path
{
$system_path;
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
FFI::CheckLib - Check that a library is available for FFI
=head1 VERSION
version 0.31
=head1 SYNOPSIS
use FFI::CheckLib;
check_lib_or_exit( lib => 'jpeg', symbol => 'jinit_memory_mgr' );
check_lib_or_exit( lib => [ 'iconv', 'jpeg' ] );
# or prompt for path to library and then:
print "where to find jpeg library: ";
my $path = <STDIN>;
check_lib_or_exit( lib => 'jpeg', libpath => $path );
=head1 DESCRIPTION
This module checks whether a particular dynamic library is available for
FFI to use. It is modeled heavily on L<Devel::CheckLib>, but will find
dynamic libraries even when development packages are not installed. It
also provides a L<find_lib|FFI::CheckLib#find_lib> function that will
return the full path to the found dynamic library, which can be feed
directly into L<FFI::Platypus> or another FFI system.
Although intended mainly for FFI modules via L<FFI::Platypus> and
similar, this module does not actually use any FFI to do its detection
and probing. This module does not have any non-core runtime dependencies.
The test suite does depend on L<Test2::Suite>.
=head1 FUNCTIONS
All of these take the same named parameters and are exported by default.
=head2 find_lib
my(@libs) = find_lib(%args);
This will return a list of dynamic libraries, or empty list if none were
found.
[version 0.05]
If called in scalar context it will return the first library found.
Arguments are key value pairs with these keys:
=over 4
=item lib
Must be either a string with the name of a single library or a reference
to an array of strings of library names. Depending on your platform,
C<CheckLib> will prepend C<lib> or append C<.dll> or C<.so> when
searching.
[version 0.11]
As a special case, if C<*> is specified then any libs found will match.
=item libpath
A string or array of additional paths to search for libraries.
=item systempath
[version 0.11]
A string or array of system paths to search for instead of letting
L<FFI::CheckLib> determine the system path. You can set this to C<[]>
in order to not search I<any> system paths.
=item symbol
A string or a list of symbol names that must be found.
=item verify
A code reference used to verify a library really is the one that you
want. It should take two arguments, which is the name of the library
and the full path to the library pathname. It should return true if it
is acceptable, and false otherwise. You can use this in conjunction
with L<FFI::Platypus> to determine if it is going to meet your needs.
Example:
use FFI::CheckLib;
use FFI::Platypus;
my($lib) = find_lib(
lib => 'foo',
verify => sub {
my($name, $libpath) = @_;
my $ffi = FFI::Platypus->new;
$ffi->lib($libpath);
my $f = $ffi->function('foo_version', [] => 'int');
return $f->call() >= 500; # we accept version 500 or better
},
);
=item recursive
[version 0.11]
Recursively search for libraries in any non-system paths (those provided
via C<libpath> above).
=item try_linker_script
[version 0.24]
Some vendors provide C<.so> files that are linker scripts that point to
the real binary shared library. These linker scripts can be used by gcc
or clang, but are not directly usable by L<FFI::Platypus> and friends.
On select platforms, this options will use the linker command (C<ld>)
to attempt to resolve the real C<.so> for non-binary files. Since there
is extra overhead this is off by default.
An example is libyaml on Red Hat based Linux distributions. On Debian
these are handled with symlinks and no trickery is required.
=item alien
[version 0.25]
If no libraries can be found, try the given aliens instead. The Alien
classes specified must provide the L<Alien::Base> interface for dynamic
libraries, which is to say they should provide a method called
C<dynamic_libs> that returns a list of dynamic libraries.
[version 0.28]
In 0.28 and later, if the L<Alien> is not installed then it will be
ignored and this module will search in system or specified directories
only. This module I<will> still throw an exception, if the L<Alien>
doesn't look like a module name or if it does not provide a C<dynamic_libs>
method (which is implemented by all L<Alien::Base> subclasses).
[version 0.30]
[breaking change]
Starting with version 0.30, libraries provided by L<Alien>s is preferred
over the system libraries. The original thinking was that you want to
prefer the system libraries because they are more likely to get patched
with regular system updates. Unfortunately, the reason a module needs to
install an Alien is likely because the system library is not new enough,
so we now prefer the L<Alien>s instead.
=back
=head2 assert_lib
assert_lib(%args);
This behaves exactly the same as L<find_lib|FFI::CheckLib#find_lib>,
except that instead of returning empty list of failure it throws an
exception.
=head2 check_lib_or_exit
check_lib_or_exit(%args);
This behaves exactly the same as L<assert_lib|FFI::CheckLib#assert_lib>,
except that instead of dying, it warns (with exactly the same error
message) and exists. This is intended for use in C<Makefile.PL> or
C<Build.PL>
=head2 find_lib_or_exit
[version 0.05]
my(@libs) = find_lib_or_exit(%args);
This behaves exactly the same as L<find_lib|FFI::CheckLib#find_lib>,
except that if the library is not found, it will call exit with an
appropriate diagnostic.
=head2 find_lib_or_die
[version 0.06]
my(@libs) = find_lib_or_die(%args);
This behaves exactly the same as L<find_lib|FFI::CheckLib#find_lib>,
except that if the library is not found, it will die with an appropriate
diagnostic.
=head2 check_lib
my $bool = check_lib(%args);
This behaves exactly the same as L<find_lib|FFI::CheckLib#find_lib>,
except that it returns true (1) on finding the appropriate libraries or
false (0) otherwise.
=head2 which
[version 0.17]
my $path = which($name);
Return the path to the first library that matches the given name.
Not exported by default.
=head2 where
[version 0.17]
my @paths = where($name);
Return the paths to all the libraries that match the given name.
Not exported by default.
=head2 has_symbols
[version 0.17]
my $bool = has_symbols($path, @symbol_names);
Returns true if I<all> of the symbols can be found in the dynamic library located
at the given path. Can be useful in conjunction with C<verify> with C<find_lib>
above.
Not exported by default.
=head2 system_path
[version 0.20]
my $path = FFI::CheckLib::system_path;
Returns the system path as a list reference. On some systems, this is C<PATH>
on others it might be C<LD_LIBRARY_PATH> on still others it could be something
completely different. So although you I<may> add items to this list, you should
probably do some careful consideration before you do so.
This function is not exportable, even on request.
=head1 ENVIRONMENT
L<FFI::CheckLib> responds to these environment variables:
=over 4
=item FFI_CHECKLIB_PACKAGE
On macOS platforms with L<Homebrew|http://brew.sh> and/or L<MacPorts|https://www.macports.org>
installed, their corresponding lib paths will be automatically appended to C<$system_path>.
In case of having both managers installed, Homebrew will appear before.
This behaviour can be overridden using the environment variable C<FFI_CHECKLIB_PACKAGE>.
Allowed values are:
- C<none>: Won't use either Homebrew's path nor MacPorts
- C<homebrew>: Will append C<$(brew --prefix)/lib> to the system paths
- C<macports>: Will append C<port>'s default lib path
A comma separated list is also valid:
export FFI_CHECKLIB_PACKAGE=macports,homebrew
Order matters. So in this example, MacPorts' lib path appears before Homebrew's path.
=item FFI_CHECKLIB_PATH
List of directories that will be considered by L<FFI::CheckLib> as additional "system
directories". They will be searched before other system directories but after C<libpath>.
The variable is colon separated on Unix and semicolon separated on Windows. If you
use this variable, C<FFI_CHECKLIB_PACKAGE> will be ignored.
=item PATH
On Windows the C<PATH> environment variable will be used as a search path for
libraries.
=back
On some operating systems C<LD_LIBRARY_PATH>, C<DYLD_LIBRARY_PATH>,
C<DYLD_FALLBACK_LIBRARY_PATH> or others I<may> be used as part of the search
for dynamic libraries and I<may> be used (indirectly) by L<FFI::CheckLib>
as well.
=head1 FAQ
=over 4
=item Why not just use C<dlopen>?
Calling C<dlopen> on a library name and then C<dlclose> immediately can tell
you if you have the exact name of a library available on a system. It does
have a number of drawbacks as well.
=over 4
=item No absolute or relative path
It only tells you that the library is I<somewhere> on the system, not having
the absolute or relative path makes it harder to generate useful diagnostics.
=item POSIX only
This doesn't work on non-POSIX systems like Microsoft Windows. If you are
using a POSIX emulation layer on Windows that provides C<dlopen>, like
Cygwin, there are a number of gotchas there as well. Having a layer written
in Perl handles this means that developers on Unix can develop FFI that will
more likely work on these platforms without special casing them.
=item inconsistent implementations
Even on POSIX systems you have inconsistent implementations. OpenBSD for
example don't usually include symlinks for C<.so> files meaning you need
to know the exact C<.so> version.
=item non-system directories
By default C<dlopen> only works for libraries in the system paths. Most
platforms have a way of configuring the search for different non-system
paths, but none of them are portable, and are usually discouraged anyway.
L<Alien> and friends need to do searches for dynamic libraries in
non-system directories for C<share> installs.
=back
=item My 64-bit Perl is misconfigured and has 32-bit libraries in its search path. Is that a bug in L<FFI::CheckLib>?
Nope.
=item The way L<FFI::CheckLib> is implemented it won't work on AIX, HP-UX, OpenVMS or Plan 9.
I know for a fact that it doesn't work on AIX I<as currently implemented>
because I used to develop on AIX in the early 2000s, and I am aware of some
of the technical challenges. There are probably other systems that it won't
work on. I would love to add support for these platforms. Realistically
these platforms have a tiny market share, and absent patches from users or
the companies that own these operating systems (patches welcome), or hardware
/ CPU time donations, these platforms are unsupportable anyway.
=back
=head1 SEE ALSO
=over 4
=item L<FFI::Platypus>
Call library functions dynamically without a compiler.
=item L<Dist::Zilla::Plugin::FFI::CheckLib>
L<Dist::Zilla> plugin for this module.
=back
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Bakkiaraj Murugesan (bakkiaraj)
Dan Book (grinnz, DBOOK)
Ilya Pavlov (Ilya, ILUX)
Shawn Laffan (SLAFFAN)
Petr Písař (ppisar)
Michael R. Davis (MRDVT)
Shawn Laffan (SLAFFAN)
Carlos D. Álvaro (cdalvaro)
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2014-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
PK gl\��G�J J perl5/5.32/IO/Lines.pmnu ��6�$ package IO::Lines;
use strict;
use Carp;
use IO::ScalarArray;
# The package version, both in 1.23 style *and* usable by MakeMaker:
our $VERSION = '2.113';
# Inheritance:
our @ISA = qw(IO::ScalarArray); ### also gets us new_tie :-)
=head1 NAME
IO::Lines - IO:: interface for reading/writing an array of lines
=head1 SYNOPSIS
use IO::Lines;
### See IO::ScalarArray for details
=head1 DESCRIPTION
This class implements objects which behave just like FileHandle
(or IO::Handle) objects, except that you may use them to write to
(or read from) an array of lines. C<tiehandle> capable as well.
This is a subclass of L<IO::ScalarArray|IO::ScalarArray>
in which the underlying
array has its data stored in a line-oriented-format: that is,
every element ends in a C<"\n">, with the possible exception of the
final element. This makes C<getline()> I<much> more efficient;
if you plan to do line-oriented reading/printing, you want this class.
The C<print()> method will enforce this rule, so you can print
arbitrary data to the line-array: it will break the data at
newlines appropriately.
See L<IO::ScalarArray> for full usage and warnings.
=cut
#------------------------------
#
# getline
#
# Instance method, override.
# Return the next line, or undef on end of data.
# Can safely be called in an array context.
# Currently, lines are delimited by "\n".
#
sub getline {
my $self = shift;
if (!defined $/) {
return join( '', $self->_getlines_for_newlines );
}
elsif ($/ eq "\n") {
if (!*$self->{Pos}) { ### full line...
return *$self->{AR}[*$self->{Str}++];
}
else { ### partial line...
my $partial = substr(*$self->{AR}[*$self->{Str}++], *$self->{Pos});
*$self->{Pos} = 0;
return $partial;
}
}
else {
croak 'unsupported $/: must be "\n" or undef';
}
}
#------------------------------
#
# getlines
#
# Instance method, override.
# Return an array comprised of the remaining lines, or () on end of data.
# Must be called in an array context.
# Currently, lines are delimited by "\n".
#
sub getlines {
my $self = shift;
wantarray or croak("can't call getlines in scalar context!");
if ((defined $/) and ($/ eq "\n")) {
return $self->_getlines_for_newlines(@_);
}
else { ### slow but steady
return $self->SUPER::getlines(@_);
}
}
#------------------------------
#
# _getlines_for_newlines
#
# Instance method, private.
# If $/ is newline, do fast getlines.
# This CAN NOT invoke getline!
#
sub _getlines_for_newlines {
my $self = shift;
my ($rArray, $Str, $Pos) = @{*$self}{ qw( AR Str Pos ) };
my @partial = ();
if ($Pos) { ### partial line...
@partial = (substr( $rArray->[ $Str++ ], $Pos ));
*$self->{Pos} = 0;
}
*$self->{Str} = scalar @$rArray; ### about to exhaust @$rArray
return (@partial,
@$rArray[ $Str .. $#$rArray ]); ### remaining full lines...
}
#------------------------------
#
# print ARGS...
#
# Instance method, override.
# Print ARGS to the underlying line array.
#
sub print {
if (defined $\ && $\ ne "\n") {
croak 'unsupported $\: must be "\n" or undef';
}
my $self = shift;
### print STDERR "\n[[ARRAY WAS...\n", @{*$self->{AR}}, "<<EOF>>\n";
my @lines = split /^/, join('', @_); @lines or return 1;
### Did the previous print not end with a newline?
### If so, append first line:
if (@{*$self->{AR}} and (*$self->{AR}[-1] !~ /\n\Z/)) {
*$self->{AR}[-1] .= shift @lines;
}
push @{*$self->{AR}}, @lines; ### add the remainder
### print STDERR "\n[[ARRAY IS NOW...\n", @{*$self->{AR}}, "<<EOF>>\n";
1;
}
#------------------------------
1;
__END__
=head1 VERSION
$Id: Lines.pm,v 1.3 2005/02/10 21:21:53 dfs Exp $
=head1 AUTHOR
Eryq (F<eryq@zeegee.com>).
President, ZeeGee Software Inc (F<http://www.zeegee.com>).
=head1 CONTRIBUTORS
Dianne Skoll (F<dfs@roaringpenguin.com>).
=head1 COPYRIGHT & LICENSE
Copyright (c) 1997 Erik (Eryq) Dorfman, ZeeGee Software, Inc. All rights reserved.
This program is free software; you can redistribute it and/or modify it
under the same terms as Perl itself.
=cut
PK gl\��� � perl5/5.32/IO/InnerFile.pmnu ��6�$ package IO::InnerFile;
use strict;
use warnings;
use Symbol;
our $VERSION = '2.113';
sub new {
my ($class, $fh, $start, $lg) = @_;
$start = 0 if (!$start or ($start < 0));
$lg = 0 if (!$lg or ($lg < 0));
### Create the underlying "object":
my $a = {
FH => $fh,
CRPOS => 0,
START => $start,
LG => $lg,
};
### Create a new filehandle tied to this object:
$fh = gensym;
tie(*$fh, $class, $a);
return bless($fh, $class);
}
sub TIEHANDLE {
my ($class, $data) = @_;
return bless($data, $class);
}
sub DESTROY {
my ($self) = @_;
$self->close() if (ref($self) eq 'SCALAR');
}
sub set_length { tied(${$_[0]})->{LG} = $_[1]; }
sub get_length { tied(${$_[0]})->{LG}; }
sub add_length { tied(${$_[0]})->{LG} += $_[1]; }
sub set_start { tied(${$_[0]})->{START} = $_[1]; }
sub get_start { tied(${$_[0]})->{START}; }
sub set_end { tied(${$_[0]})->{LG} = $_[1] - tied(${$_[0]})->{START}; }
sub get_end { tied(${$_[0]})->{LG} + tied(${$_[0]})->{START}; }
sub write { shift->WRITE(@_) }
sub print { shift->PRINT(@_) }
sub printf { shift->PRINTF(@_) }
sub flush { "0 but true"; }
sub fileno { }
sub binmode { 1; }
sub getc { return GETC(tied(${$_[0]}) ); }
sub read { return READ( tied(${$_[0]}), @_[1,2,3] ); }
sub readline { return READLINE( tied(${$_[0]}) ); }
sub getline { return READLINE( tied(${$_[0]}) ); }
sub close { return CLOSE(tied(${$_[0]}) ); }
sub seek {
my ($self, $ofs, $whence) = @_;
$self = tied( $$self );
$self->{CRPOS} = $ofs if ($whence == 0);
$self->{CRPOS}+= $ofs if ($whence == 1);
$self->{CRPOS} = $self->{LG} + $ofs if ($whence == 2);
$self->{CRPOS} = 0 if ($self->{CRPOS} < 0);
$self->{CRPOS} = $self->{LG} if ($self->{CRPOS} > $self->{LG});
return 1;
}
sub tell {
return tied(${$_[0]})->{CRPOS};
}
sub WRITE {
die "inner files can only open for reading\n";
}
sub PRINT {
die "inner files can only open for reading\n";
}
sub PRINTF {
die "inner files can only open for reading\n";
}
sub GETC {
my ($self) = @_;
return 0 if ($self->{CRPOS} >= $self->{LG});
my $data;
### Save and seek...
my $old_pos = $self->{FH}->tell;
$self->{FH}->seek($self->{CRPOS}+$self->{START}, 0);
### ...read...
my $lg = $self->{FH}->read($data, 1);
$self->{CRPOS} += $lg;
### ...and restore:
$self->{FH}->seek($old_pos, 0);
$self->{LG} = $self->{CRPOS} unless ($lg);
return ($lg ? $data : undef);
}
sub READ {
my ($self, $undefined, $lg, $ofs) = @_;
$undefined = undef;
return 0 if ($self->{CRPOS} >= $self->{LG});
$lg = $self->{LG} - $self->{CRPOS} if ($self->{CRPOS} + $lg > $self->{LG});
return 0 unless ($lg);
### Save and seek...
my $old_pos = $self->{FH}->tell;
$self->{FH}->seek($self->{CRPOS}+$self->{START}, 0);
### ...read...
$lg = $self->{FH}->read($_[1], $lg, $_[3] );
$self->{CRPOS} += $lg;
### ...and restore:
$self->{FH}->seek($old_pos, 0);
$self->{LG} = $self->{CRPOS} unless ($lg);
return $lg;
}
sub READLINE {
my ($self) = @_;
return $self->_readline_helper() unless wantarray;
my @arr;
while(defined(my $line = $self->_readline_helper())) {
push(@arr, $line);
}
return @arr;
}
sub _readline_helper {
my ($self) = @_;
return undef if ($self->{CRPOS} >= $self->{LG});
# Handle slurp mode (CPAN ticket #72710)
if (! defined($/)) {
my $text;
$self->READ($text, $self->{LG} - $self->{CRPOS});
return $text;
}
### Save and seek...
my $old_pos = $self->{FH}->tell;
$self->{FH}->seek($self->{CRPOS}+$self->{START}, 0);
### ...read...
my $text = $self->{FH}->getline;
### ...and restore:
$self->{FH}->seek($old_pos, 0);
#### If we detected a new EOF ...
unless (defined $text) {
$self->{LG} = $self->{CRPOS};
return undef;
}
my $lg=length($text);
$lg = $self->{LG} - $self->{CRPOS} if ($self->{CRPOS} + $lg > $self->{LG});
$self->{CRPOS} += $lg;
return substr($text, 0,$lg);
}
sub CLOSE { %{$_[0]}=(); }
1;
__END__
__END__
=head1 NAME
IO::InnerFile - define a file inside another file
=head1 SYNOPSIS
use strict;
use warnings;
use IO::InnerFile;
# Read a subset of a file:
my $fh = _some_file_handle;
my $start = 10;
my $length = 50;
my $inner = IO::InnerFile->new($fh, $start, $length);
while (my $line = <$inner>) {
# ...
}
=head1 DESCRIPTION
If you have a file handle that can C<seek> and C<tell>, then you
can open an L<IO::InnerFile> on a range of the underlying file.
=head1 CONSTRUCTORS
L<IO::InnerFile> implements the following constructors.
=head2 new
my $inner = IO::InnerFile->new($fh);
$inner = IO::InnerFile->new($fh, 10);
$inner = IO::InnerFile->new($fh, 10, 50);
Create a new L<IO::InnerFile> opened on the given file handle.
The file handle supplied B<MUST> be able to both C<seek> and C<tell>.
The second and third parameters are start and length. Both are defaulted
to zero (C<0>). Negative values are silently coerced to zero.
=head1 METHODS
L<IO::InnerFile> implements the following methods.
=head2 add_length
$inner->add_length(30);
Add to the virtual length of the inner file by the number given in bytes.
=head2 add_start
$inner->add_start(30);
Add to the virtual position of the inner file by the number given in bytes.
=head2 binmode
$inner->binmode();
This is a NOOP method just to satisfy the normal L<IO::File> interface.
=head2 close
=head2 fileno
$inner->fileno();
This is a NOOP method just to satisfy the normal L<IO::File> interface.
=head2 flush
$inner->flush();
This is a NOOP method just to satisfy the normal L<IO::File> interface.
=head2 get_end
my $num_bytes = $inner->get_end();
Get the virtual end position of the inner file in bytes.
=head2 get_length
my $num_bytes = $inner->get_length();
Get the virtual length of the inner file in bytes.
=head2 get_start
my $num_bytes = $inner->get_start();
Get the virtual position of the inner file in bytes.
=head2 getc
=head2 getline
=head2 print LIST
=head2 printf
=head2 read
=head2 readline
=head2 seek
=head2 set_end
$inner->set_end(30);
Set the virtual end of the inner file in bytes (this basically just alters the length).
=head2 set_length
$inner->set_length(30);
Set the virtual length of the inner file in bytes.
=head2 set_start
$inner->set_start(30);
Set the virtual start position of the inner file in bytes.
=head2 tell
=head2 write
=head1 AUTHOR
Eryq (F<eryq@zeegee.com>).
President, ZeeGee Software Inc (F<http://www.zeegee.com>).
=head1 CONTRIBUTORS
Dianne Skoll (F<dfs@roaringpenguin.com>).
=head1 COPYRIGHT & LICENSE
Copyright (c) 1997 Erik (Eryq) Dorfman, ZeeGee Software, Inc. All rights reserved.
This program is free software; you can redistribute it and/or modify it
under the same terms as Perl itself.
=cut
PK !gl\l��]?@ ?@ perl5/5.32/IO/ScalarArray.pmnu ��6�$ package IO::ScalarArray;
use strict;
use Carp;
use IO::Handle;
# The package version, both in 1.23 style *and* usable by MakeMaker:
our $VERSION = '2.113';
# Inheritance:
our @ISA = qw(IO::Handle);
require IO::WrapTie and push @ISA, 'IO::WrapTie::Slave' if ($] >= 5.004);
=head1 NAME
IO::ScalarArray - IO:: interface for reading/writing an array of scalars
=head1 SYNOPSIS
Perform I/O on strings, using the basic OO interface...
use IO::ScalarArray;
@data = ("My mes", "sage:\n");
### Open a handle on an array, and append to it:
$AH = new IO::ScalarArray \@data;
$AH->print("Hello");
$AH->print(", world!\nBye now!\n");
print "The array is now: ", @data, "\n";
### Open a handle on an array, read it line-by-line, then close it:
$AH = new IO::ScalarArray \@data;
while (defined($_ = $AH->getline)) {
print "Got line: $_";
}
$AH->close;
### Open a handle on an array, and slurp in all the lines:
$AH = new IO::ScalarArray \@data;
print "All lines:\n", $AH->getlines;
### Get the current position (either of two ways):
$pos = $AH->getpos;
$offset = $AH->tell;
### Set the current position (either of two ways):
$AH->setpos($pos);
$AH->seek($offset, 0);
### Open an anonymous temporary array:
$AH = new IO::ScalarArray;
$AH->print("Hi there!");
print "I printed: ", @{$AH->aref}, "\n"; ### get at value
Don't like OO for your I/O? No problem.
Thanks to the magic of an invisible tie(), the following now
works out of the box, just as it does with IO::Handle:
use IO::ScalarArray;
@data = ("My mes", "sage:\n");
### Open a handle on an array, and append to it:
$AH = new IO::ScalarArray \@data;
print $AH "Hello";
print $AH ", world!\nBye now!\n";
print "The array is now: ", @data, "\n";
### Open a handle on a string, read it line-by-line, then close it:
$AH = new IO::ScalarArray \@data;
while (<$AH>) {
print "Got line: $_";
}
close $AH;
### Open a handle on a string, and slurp in all the lines:
$AH = new IO::ScalarArray \@data;
print "All lines:\n", <$AH>;
### Get the current position (WARNING: requires 5.6):
$offset = tell $AH;
### Set the current position (WARNING: requires 5.6):
seek $AH, $offset, 0;
### Open an anonymous temporary scalar:
$AH = new IO::ScalarArray;
print $AH "Hi there!";
print "I printed: ", @{$AH->aref}, "\n"; ### get at value
And for you folks with 1.x code out there: the old tie() style still works,
though this is I<unnecessary and deprecated>:
use IO::ScalarArray;
### Writing to a scalar...
my @a;
tie *OUT, 'IO::ScalarArray', \@a;
print OUT "line 1\nline 2\n", "line 3\n";
print "Array is now: ", @a, "\n"
### Reading and writing an anonymous scalar...
tie *OUT, 'IO::ScalarArray';
print OUT "line 1\nline 2\n", "line 3\n";
tied(OUT)->seek(0,0);
while (<OUT>) {
print "Got line: ", $_;
}
=head1 DESCRIPTION
This class is part of the IO::Stringy distribution;
see L<IO::Stringy> for change log and general information.
The IO::ScalarArray class implements objects which behave just like
IO::Handle (or FileHandle) objects, except that you may use them
to write to (or read from) arrays of scalars. Logically, an
array of scalars defines an in-core "file" whose contents are
the concatenation of the scalars in the array. The handles created by
this class are automatically C<tiehandle>d (though please see L<"WARNINGS">
for information relevant to your Perl version).
For writing large amounts of data with individual print() statements,
this class is likely to be more efficient than IO::Scalar.
Basically, this:
my @a;
$AH = new IO::ScalarArray \@a;
$AH->print("Hel", "lo, "); ### OO style
$AH->print("world!\n"); ### ditto
Or this:
my @a;
$AH = new IO::ScalarArray \@a;
print $AH "Hel", "lo, "; ### non-OO style
print $AH "world!\n"; ### ditto
Causes @a to be set to the following array of 3 strings:
( "Hel" ,
"lo, " ,
"world!\n" )
See L<IO::Scalar> and compare with this class.
=head1 PUBLIC INTERFACE
=head2 Construction
=over 4
=cut
#------------------------------
=item new [ARGS...]
I<Class method.>
Return a new, unattached array handle.
If any arguments are given, they're sent to open().
=cut
sub new {
my $proto = shift;
my $class = ref($proto) || $proto;
my $self = bless \do { local *FH }, $class;
tie *$self, $class, $self;
$self->open(@_); ### open on anonymous by default
$self;
}
sub DESTROY {
shift->close;
}
#------------------------------
=item open [ARRAYREF]
I<Instance method.>
Open the array handle on a new array, pointed to by ARRAYREF.
If no ARRAYREF is given, a "private" array is created to hold
the file data.
Returns the self object on success, undefined on error.
=cut
sub open {
my ($self, $aref) = @_;
### Sanity:
defined($aref) or do {my @a; $aref = \@a};
(ref($aref) eq "ARRAY") or croak "open needs a ref to a array";
### Setup:
$self->setpos([0,0]);
*$self->{AR} = $aref;
$self;
}
#------------------------------
=item opened
I<Instance method.>
Is the array handle opened on something?
=cut
sub opened {
*{shift()}->{AR};
}
#------------------------------
=item close
I<Instance method.>
Disassociate the array handle from its underlying array.
Done automatically on destroy.
=cut
sub close {
my $self = shift;
%{*$self} = ();
1;
}
=back
=cut
#==============================
=head2 Input and output
=over 4
=cut
#------------------------------
=item flush
I<Instance method.>
No-op, provided for OO compatibility.
=cut
sub flush { "0 but true" }
#------------------------------
=item fileno
I<Instance method.>
No-op, returns undef
=cut
sub fileno { }
#------------------------------
=item getc
I<Instance method.>
Return the next character, or undef if none remain.
This does a read(1), which is somewhat costly.
=cut
sub getc {
my $buf = '';
($_[0]->read($buf, 1) ? $buf : undef);
}
#------------------------------
=item getline
I<Instance method.>
Return the next line, or undef on end of data.
Can safely be called in an array context.
Currently, lines are delimited by "\n".
=cut
sub getline {
my $self = shift;
my ($str, $line) = (undef, '');
### Minimal impact implementation!
### We do the fast thing (no regexps) if using the
### classic input record separator.
### Case 1: $/ is undef: slurp all...
if (!defined($/)) {
return undef if ($self->eof);
### Get the rest of the current string, followed by remaining strings:
my $ar = *$self->{AR};
my @slurp = (
substr($ar->[*$self->{Str}], *$self->{Pos}),
@$ar[(1 + *$self->{Str}) .. $#$ar ]
);
### Seek to end:
$self->_setpos_to_eof;
return join('', @slurp);
}
### Case 2: $/ is "\n":
elsif ($/ eq "\012") {
### Until we hit EOF (or exited because of a found line):
until ($self->eof) {
### If at end of current string, go fwd to next one (won't be EOF):
if ($self->_eos) {++*$self->{Str}, *$self->{Pos}=0};
### Get ref to current string in array, and set internal pos mark:
$str = \(*$self->{AR}[*$self->{Str}]); ### get current string
pos($$str) = *$self->{Pos}; ### start matching from here
### Get from here to either \n or end of string, and add to line:
$$str =~ m/\G(.*?)((\n)|\Z)/g; ### match to 1st \n or EOS
$line .= $1.$2; ### add it
*$self->{Pos} += length($1.$2); ### move fwd by len matched
return $line if $3; ### done, got line with "\n"
}
return ($line eq '') ? undef : $line; ### return undef if EOF
}
### Case 3: $/ is ref to int. Bail out.
elsif (ref($/)) {
croak '$/ given as a ref to int; currently unsupported';
}
### Case 4: $/ is either "" (paragraphs) or something weird...
### Bail for now.
else {
croak '$/ as given is currently unsupported';
}
}
#------------------------------
=item getlines
I<Instance method.>
Get all remaining lines.
It will croak() if accidentally called in a scalar context.
=cut
sub getlines {
my $self = shift;
wantarray or croak("can't call getlines in scalar context!");
my ($line, @lines);
push @lines, $line while (defined($line = $self->getline));
@lines;
}
#------------------------------
=item print ARGS...
I<Instance method.>
Print ARGS to the underlying array.
Currently, this always causes a "seek to the end of the array"
and generates a new array entry. This may change in the future.
=cut
sub print {
my $self = shift;
push @{*$self->{AR}}, join('', @_) . (defined($\) ? $\ : ""); ### add the data
$self->_setpos_to_eof;
1;
}
#------------------------------
=item read BUF, NBYTES, [OFFSET];
I<Instance method.>
Read some bytes from the array.
Returns the number of bytes actually read, 0 on end-of-file, undef on error.
=cut
sub read {
my $self = $_[0];
### we must use $_[1] as a ref
my $n = $_[2];
my $off = $_[3] || 0;
### print "getline\n";
my $justread;
my $len;
($off ? substr($_[1], $off) : $_[1]) = '';
### Stop when we have zero bytes to go, or when we hit EOF:
my @got;
until (!$n or $self->eof) {
### If at end of current string, go forward to next one (won't be EOF):
if ($self->_eos) {
++*$self->{Str};
*$self->{Pos} = 0;
}
### Get longest possible desired substring of current string:
$justread = substr(*$self->{AR}[*$self->{Str}], *$self->{Pos}, $n);
$len = length($justread);
push @got, $justread;
$n -= $len;
*$self->{Pos} += $len;
}
$_[1] .= join('', @got);
return length($_[1])-$off;
}
#------------------------------
=item write BUF, NBYTES, [OFFSET];
I<Instance method.>
Write some bytes into the array.
=cut
sub write {
my $self = $_[0];
my $n = $_[2];
my $off = $_[3] || 0;
my $data = substr($_[1], $n, $off);
$n = length($data);
$self->print($data);
return $n;
}
=back
=cut
#==============================
=head2 Seeking/telling and other attributes
=over 4
=cut
#------------------------------
=item autoflush
I<Instance method.>
No-op, provided for OO compatibility.
=cut
sub autoflush {}
#------------------------------
=item binmode
I<Instance method.>
No-op, provided for OO compatibility.
=cut
sub binmode {}
#------------------------------
=item clearerr
I<Instance method.> Clear the error and EOF flags. A no-op.
=cut
sub clearerr { 1 }
#------------------------------
=item eof
I<Instance method.> Are we at end of file?
=cut
sub eof {
### print "checking EOF [*$self->{Str}, *$self->{Pos}]\n";
### print "SR = ", $#{*$self->{AR}}, "\n";
return 0 if (*{$_[0]}->{Str} < $#{*{$_[0]}->{AR}}); ### before EOA
return 1 if (*{$_[0]}->{Str} > $#{*{$_[0]}->{AR}}); ### after EOA
### ### at EOA, past EOS:
((*{$_[0]}->{Str} == $#{*{$_[0]}->{AR}}) && ($_[0]->_eos));
}
#------------------------------
#
# _eos
#
# I<Instance method, private.> Are we at end of the CURRENT string?
#
sub _eos {
(*{$_[0]}->{Pos} >= length(*{$_[0]}->{AR}[*{$_[0]}->{Str}])); ### past last char
}
#------------------------------
=item seek POS,WHENCE
I<Instance method.>
Seek to a given position in the stream.
Only a WHENCE of 0 (SEEK_SET) is supported.
=cut
sub seek {
my ($self, $pos, $whence) = @_;
### Seek:
if ($whence == 0) { $self->_seek_set($pos); }
elsif ($whence == 1) { $self->_seek_cur($pos); }
elsif ($whence == 2) { $self->_seek_end($pos); }
else { croak "bad seek whence ($whence)" }
return 1;
}
#------------------------------
#
# _seek_set POS
#
# Instance method, private.
# Seek to $pos relative to start:
#
sub _seek_set {
my ($self, $pos) = @_;
### Advance through array until done:
my $istr = 0;
while (($pos >= 0) && ($istr < scalar(@{*$self->{AR}}))) {
if (length(*$self->{AR}[$istr]) > $pos) { ### it's in this string!
return $self->setpos([$istr, $pos]);
}
else { ### it's in next string
$pos -= length(*$self->{AR}[$istr++]); ### move forward one string
}
}
### If we reached this point, pos is at or past end; zoom to EOF:
return $self->_setpos_to_eof;
}
#------------------------------
#
# _seek_cur POS
#
# Instance method, private.
# Seek to $pos relative to current position.
#
sub _seek_cur {
my ($self, $pos) = @_;
$self->_seek_set($self->tell + $pos);
}
#------------------------------
#
# _seek_end POS
#
# Instance method, private.
# Seek to $pos relative to end.
# We actually seek relative to beginning, which is simple.
#
sub _seek_end {
my ($self, $pos) = @_;
$self->_seek_set($self->_tell_eof + $pos);
}
#------------------------------
=item tell
I<Instance method.>
Return the current position in the stream, as a numeric offset.
=cut
sub tell {
my $self = shift;
my $off = 0;
my ($s, $str_s);
for ($s = 0; $s < *$self->{Str}; $s++) { ### count all "whole" scalars
defined($str_s = *$self->{AR}[$s]) or $str_s = '';
###print STDERR "COUNTING STRING $s (". length($str_s) . ")\n";
$off += length($str_s);
}
###print STDERR "COUNTING POS ($self->{Pos})\n";
return ($off += *$self->{Pos}); ### plus the final, partial one
}
#------------------------------
#
# _tell_eof
#
# Instance method, private.
# Get position of EOF, as a numeric offset.
# This is identical to the size of the stream - 1.
#
sub _tell_eof {
my $self = shift;
my $len = 0;
foreach (@{*$self->{AR}}) { $len += length($_) }
$len;
}
#------------------------------
=item setpos POS
I<Instance method.>
Seek to a given position in the array, using the opaque getpos() value.
Don't expect this to be a number.
=cut
sub setpos {
my ($self, $pos) = @_;
(ref($pos) eq 'ARRAY') or
die "setpos: only use a value returned by getpos!\n";
(*$self->{Str}, *$self->{Pos}) = @$pos;
}
#------------------------------
#
# _setpos_to_eof
#
# Fast-forward to EOF.
#
sub _setpos_to_eof {
my $self = shift;
$self->setpos([scalar(@{*$self->{AR}}), 0]);
}
#------------------------------
=item getpos
I<Instance method.>
Return the current position in the array, as an opaque value.
Don't expect this to be a number.
=cut
sub getpos {
[*{$_[0]}->{Str}, *{$_[0]}->{Pos}];
}
#------------------------------
=item aref
I<Instance method.>
Return a reference to the underlying array.
=cut
sub aref {
*{shift()}->{AR};
}
=back
=cut
#------------------------------
# Tied handle methods...
#------------------------------
### Conventional tiehandle interface:
sub TIEHANDLE { (defined($_[1]) && UNIVERSAL::isa($_[1],"IO::ScalarArray"))
? $_[1]
: shift->new(@_) }
sub GETC { shift->getc(@_) }
sub PRINT { shift->print(@_) }
sub PRINTF { shift->print(sprintf(shift, @_)) }
sub READ { shift->read(@_) }
sub READLINE { wantarray ? shift->getlines(@_) : shift->getline(@_) }
sub WRITE { shift->write(@_); }
sub CLOSE { shift->close(@_); }
sub SEEK { shift->seek(@_); }
sub TELL { shift->tell(@_); }
sub EOF { shift->eof(@_); }
sub BINMODE { 1; }
#------------------------------------------------------------
1;
__END__
# SOME PRIVATE NOTES:
#
# * The "current position" is the position before the next
# character to be read/written.
#
# * Str gives the string index of the current position, 0-based
#
# * Pos gives the offset within AR[Str], 0-based.
#
# * Inital pos is [0,0]. After print("Hello"), it is [1,0].
=head1 AUTHOR
Eryq (F<eryq@zeegee.com>).
President, ZeeGee Software Inc (F<http://www.zeegee.com>).
=head1 CONTRIBUTORS
Dianne Skoll (F<dfs@roaringpenguin.com>).
=head1 COPYRIGHT & LICENSE
Copyright (c) 1997 Erik (Eryq) Dorfman, ZeeGee Software, Inc. All rights reserved.
This program is free software; you can redistribute it and/or modify it
under the same terms as Perl itself.
=cut
PK $gl\��[|9 |9 perl5/5.32/IO/WrapTie.pmnu ��6�$ package IO::WrapTie;
use strict;
use Exporter;
# Inheritance, exporting, and package version:
our @ISA = qw(Exporter);
our @EXPORT = qw(wraptie);
our $VERSION = '2.113';
# Function, exported.
sub wraptie {
IO::WrapTie::Master->new(@_);
}
# Class method; BACKWARDS-COMPATIBILITY ONLY!
sub new {
shift;
IO::WrapTie::Master->new(@_);
}
#------------------------------------------------------------
package # hide from pause
IO::WrapTie::Master;
#------------------------------------------------------------
use strict;
use vars qw($AUTOLOAD);
use IO::Handle;
# We inherit from IO::Handle to get methods which invoke i/o operators,
# like print(), on our tied handle:
our @ISA = qw(IO::Handle);
#------------------------------
# new SLAVE, TIEARGS...
#------------------------------
# Create a new subclass of IO::Handle which...
#
# (1) Handles i/o OPERATORS because it is tied to an instance of
# an i/o-like class, like IO::Scalar.
#
# (2) Handles i/o METHODS by delegating them to that same tied object!.
#
# Arguments are the slave class (e.g., IO::Scalar), followed by all
# the arguments normally sent into that class's C<TIEHANDLE> method.
# In other words, much like the arguments to tie(). :-)
#
# NOTE:
# The thing $x we return must be a BLESSED REF, for ($x->print()).
# The underlying symbol must be a FILEHANDLE, for (print $x "foo").
# It has to have a way of getting to the "real" back-end object...
#
sub new {
my $master = shift;
my $io = IO::Handle->new; ### create a new handle
my $slave = shift;
tie *$io, $slave, @_; ### tie: will invoke slave's TIEHANDLE
bless $io, $master; ### return a master
}
#------------------------------
# AUTOLOAD
#------------------------------
# Delegate method invocations on the master to the underlying slave.
#
sub AUTOLOAD {
my $method = $AUTOLOAD;
$method =~ s/.*:://;
my $self = shift; tied(*$self)->$method(\@_);
}
#------------------------------
# PRELOAD
#------------------------------
# Utility.
#
# Most methods like print(), getline(), etc. which work on the tied object
# via Perl's i/o operators (like 'print') are inherited from IO::Handle.
#
# Other methods, like seek() and sref(), we must delegate ourselves.
# AUTOLOAD takes care of these.
#
# However, it may be necessary to preload delegators into your
# own class. PRELOAD will do this.
#
sub PRELOAD {
my $class = shift;
foreach (@_) {
eval "sub ${class}::$_ { my \$s = shift; tied(*\$s)->$_(\@_) }";
}
}
# Preload delegators for some standard methods which we can't simply
# inherit from IO::Handle... for example, some IO::Handle methods
# assume that there is an underlying file descriptor.
#
PRELOAD IO::WrapTie::Master
qw(open opened close read clearerr eof seek tell setpos getpos);
#------------------------------------------------------------
package # hide from pause
IO::WrapTie::Slave;
#------------------------------------------------------------
# Teeny private class providing a new_tie constructor...
#
# HOW IT ALL WORKS:
#
# Slaves inherit from this class.
#
# When you send a new_tie() message to a tie-slave class (like IO::Scalar),
# it first determines what class should provide its master, via TIE_MASTER.
# In this case, IO::Scalar->TIE_MASTER would return IO::Scalar::Master.
# Then, we create a new master (an IO::Scalar::Master) with the same args
# sent to new_tie.
#
# In general, the new() method of the master is inherited directly
# from IO::WrapTie::Master.
#
sub new_tie {
my $self = shift;
$self->TIE_MASTER->new($self,@_); ### e.g., IO::Scalar::Master->new(@_)
}
# Default class method for new_tie().
# All your tie-slave class (like IO::Scalar) has to do is override this
# method with a method that returns the name of an appropriate "master"
# class for tying that slave.
#
sub TIE_MASTER { 'IO::WrapTie::Master' }
#------------------------------
1;
__END__
package IO::WrapTie; ### for doc generator
=head1 NAME
IO::WrapTie - wrap tieable objects in IO::Handle interface
I<This is currently Alpha code, released for comments.
Please give me your feedback!>
=head1 SYNOPSIS
First of all, you'll need tie(), so:
require 5.004;
I<Function interface (experimental).>
Use this with any existing class...
use IO::WrapTie;
use FooHandle; ### implements TIEHANDLE interface
### Suppose we want a "FooHandle->new(&FOO_RDWR, 2)".
### We can instead say...
$FH = wraptie('FooHandle', &FOO_RDWR, 2);
### Now we can use...
print $FH "Hello, "; ### traditional operator syntax...
$FH->print("world!\n"); ### ...and OO syntax as well!
I<OO interface (preferred).>
You can inherit from the L<IO::WrapTie/"Slave"> mixin to get a
nifty C<new_tie()> constructor...
#------------------------------
package FooHandle; ### a class which can TIEHANDLE
use IO::WrapTie;
@ISA = qw(IO::WrapTie::Slave); ### inherit new_tie()
...
#------------------------------
package main;
$FH = FooHandle->new_tie(&FOO_RDWR, 2); ### $FH is an IO::WrapTie::Master
print $FH "Hello, "; ### traditional operator syntax
$FH->print("world!\n"); ### OO syntax
See IO::Scalar as an example. It also shows you how to create classes
which work both with and without 5.004.
=head1 DESCRIPTION
Suppose you have a class C<FooHandle>, where...
=over 4
=item *
C<FooHandle> does not inherit from L<IO::Handle>. That is, it performs
file handle-like I/O, but to something other than an underlying
file descriptor. Good examples are L<IO::Scalar> (for printing to a
string) and L<IO::Lines> (for printing to an array of lines).
=item *
C<FooHandle> implements the C<TIEHANDLE> interface (see L<perltie>).
That is, it provides methods C<TIEHANDLE>, C<GETC>, C<PRINT>, C<PRINTF>,
C<READ>, and C<READLINE>.
=item *
C<FooHandle> implements the traditional OO interface of
L<FileHandle> and L<IO::Handle>. i.e., it contains methods like C<getline>,
C<read>, C<print>, C<seek>, C<tell>, C<eof>, etc.
=back
Normally, users of your class would have two options:
=over 4
=item *
B<Use only OO syntax,> and forsake named I/O operators like C<print>.
=item *
B<Use with tie,> and forsake treating it as a first-class object
(i.e., class-specific methods can only be invoked through the underlying
object via C<tied>... giving the object a "split personality").
=back
But now with L<IO::WrapTie>, you can say:
$WT = wraptie('FooHandle', &FOO_RDWR, 2);
$WT->print("Hello, world\n"); ### OO syntax
print $WT "Yes!\n"; ### Named operator syntax too!
$WT->weird_stuff; ### Other methods!
And if you're authoring a class like C<FooHandle>, just have it inherit
from C<IO::WrapTie::Slave> and that first line becomes even prettier:
$WT = FooHandle->new_tie(&FOO_RDWR, 2);
B<The bottom line:> now, almost any class can look and work exactly like
an L<IO::Handle> and be used both with OO and non-OO file handle syntax.
=head1 HOW IT ALL WORKS
=head2 The data structures
Consider this example code, using classes in this distribution:
use IO::Scalar;
use IO::WrapTie;
$WT = wraptie('IO::Scalar',\$s);
print $WT "Hello, ";
$WT->print("world!\n");
In it, the C<wraptie> function creates a data structure as follows:
* $WT is a blessed reference to a tied filehandle
$WT glob; that glob is tied to the "Slave" object.
| * You would do all your i/o with $WT directly.
|
|
| ,---isa--> IO::WrapTie::Master >--isa--> IO::Handle
V /
.-------------.
| |
| | * Perl i/o operators work on the tied object,
| "Master" | invoking the C<TIEHANDLE> methods.
| | * Method invocations are delegated to the tied
| | slave.
`-------------'
|
tied(*$WT) | .---isa--> IO::WrapTie::Slave
V /
.-------------.
| |
| "Slave" | * Instance of FileHandle-like class which doesn't
| | actually use file descriptors, like IO::Scalar.
| IO::Scalar | * The slave can be any kind of object.
| | * Must implement the C<TIEHANDLE> interface.
`-------------'
I<NOTE:> just as an L<IO::Handle> is really just a blessed reference to a
I<traditional> file handle glob. So also, an C<IO::WrapTie::Master>
is really just a blessed reference to a file handle
glob I<which has been tied to some "slave" class.>
=head2 How C<wraptie> works
=over 4
=item 1.
The call to function C<wraptie(SLAVECLASS, TIEARGS...)> is
passed onto C<IO::WrapTie::Master::new()>.
Note that class C<IO::WrapTie::Master> is a subclass of L<IO::Handle>.
=item 2.
The C<< IO::WrapTie::Master->new >> method creates a new L<IO::Handle> object,
re-blessed into class C<IO::WrapTie::Master>. This object is the I<master>,
which will be returned from the constructor. At the same time...
=item 3.
The C<new> method also creates the I<slave>: this is an instance
of C<SLAVECLASS> which is created by tying the master's L<IO::Handle>
to C<SLAVECLASS> via C<tie>.
This call to C<tie> creates the slave in the following manner:
=item 4.
Class C<SLAVECLASS> is sent the message C<TIEHANDLE>; it
will usually delegate this to C<< SLAVECLASS->new(TIEARGS) >>, resulting
in a new instance of C<SLAVECLASS> being created and returned.
=item 5.
Once both master and slave have been created, the master is returned
to the caller.
=back
=head2 How I/O operators work (on the master)
Consider using an i/o operator on the master:
print $WT "Hello, world!\n";
Since the master C<$WT> is really a C<blessed> reference to a glob,
the normal Perl I/O operators like C<print> may be used on it.
They will just operate on the symbol part of the glob.
Since the glob is tied to the slave, the slave's C<PRINT> method
(part of the C<TIEHANDLE> interface) will be automatically invoked.
If the slave is an L<IO::Scalar>, that means L<IO::Scalar/"PRINT"> will be
invoked, and that method happens to delegate to the C<print> method
of the same class. So the I<real> work is ultimately done by
L<IO::Scalar/"print">.
=head2 How methods work (on the master)
Consider using a method on the master:
$WT->print("Hello, world!\n");
Since the master C<$WT> is blessed into the class C<IO::WrapTie::Master>,
Perl first attempts to find a C<print> method there. Failing that,
Perl next attempts to find a C<print> method in the super class,
L<IO::Handle>. It just so happens that there I<is> such a method;
that method merely invokes the C<print> I/O operator on the self object...
and for that, see above!
But let's suppose we're dealing with a method which I<isn't> part
of L<IO::Handle>... for example:
my $sref = $WT->sref;
In this case, the intuitive behavior is to have the master delegate the
method invocation to the slave (now do you see where the designations
come from?). This is indeed what happens: C<IO::WrapTie::Master> contains
an C<AUTOLOAD> method which performs the delegation.
So: when C<sref> can't be found in L<IO::Handle>, the C<AUTOLOAD> method
of C<IO::WrapTie::Master> is invoked, and the standard behavior of
delegating the method to the underlying slave (here, an L<IO::Scalar>)
is done.
Sometimes, to get this to work properly, you may need to create
a subclass of C<IO::WrapTie::Master> which is an effective master for
I<your> class, and do the delegation there.
=head1 NOTES
B<Why not simply use the object's OO interface?>
Because that means forsaking the use of named operators
like C<print>, and you may need to pass the object to a subroutine
which will attempt to use those operators:
$O = FooHandle->new(&FOO_RDWR, 2);
$O->print("Hello, world\n"); ### OO syntax is okay, BUT....
sub nope { print $_[0] "Nope!\n" }
X nope($O); ### ERROR!!! (not a glob ref)
B<Why not simply use tie()?>
Because (1) you have to use C<tied> to invoke methods in the
object's public interface (yuck), and (2) you may need to pass
the tied symbol to another subroutine which will attempt to treat
it in an OO-way... and that will break it:
tie *T, 'FooHandle', &FOO_RDWR, 2;
print T "Hello, world\n"; ### Operator is okay, BUT...
tied(*T)->other_stuff; ### yuck! AND...
sub nope { shift->print("Nope!\n") }
X nope(\*T); ### ERROR!!! (method "print" on unblessed ref)
B<Why a master and slave?>
Why not simply write C<FooHandle> to inherit from L<IO::Handle?>
I tried this, with an implementation similar to that of L<IO::Socket>.
The problem is that I<the whole point is to use this with objects
that don't have an underlying file/socket descriptor.>.
Subclassing L<IO::Handle> will work fine for the OO stuff, and fine with
named operators I<if> you C<tie>... but if you just attempt to say:
$IO = FooHandle->new(&FOO_RDWR, 2);
print $IO "Hello!\n";
you get a warning from Perl like:
Filehandle GEN001 never opened
because it's trying to do system-level I/O on an (unopened) file
descriptor. To avoid this, you apparently have to C<tie> the handle...
which brings us right back to where we started! At least the
L<IO::WrapTie> mixin lets us say:
$IO = FooHandle->new_tie(&FOO_RDWR, 2);
print $IO "Hello!\n";
and so is not I<too> bad. C<:-)>
=head1 WARNINGS
Remember: this stuff is for doing L<FileHandle>-like I/O on things
I<without underlying file descriptors>. If you have an underlying
file descriptor, you're better off just inheriting from L<IO::Handle>.
B<Be aware that new_tie() always returns an instance of a
kind of IO::WrapTie::Master...> it does B<not> return an instance
of the I/O class you're tying to!
Invoking some methods on the master object causes C<AUTOLOAD> to delegate
them to the slave object... so it I<looks> like you're manipulating a
C<FooHandle> object directly, but you're not.
I have not explored all the ramifications of this use of C<tie>.
I<Here there be dragons>.
=head1 AUTHOR
Eryq (F<eryq@zeegee.com>).
President, ZeeGee Software Inc (F<http://www.zeegee.com>).
=head1 CONTRIBUTORS
Dianne Skoll (F<dfs@roaringpenguin.com>).
=head1 COPYRIGHT & LICENSE
Copyright (c) 1997 Erik (Eryq) Dorfman, ZeeGee Software, Inc. All rights reserved.
This program is free software; you can redistribute it and/or modify it
under the same terms as Perl itself.
=cut
PK &gl\���r� � perl5/5.32/IO/AtomicFile.pmnu ��6�$ package IO::AtomicFile;
use strict;
use warnings;
use parent 'IO::File';
our $VERSION = '2.113';
#------------------------------
# new ARGS...
#------------------------------
# Class method, constructor.
# Any arguments are sent to open().
#
sub new {
my $class = shift;
my $self = $class->SUPER::new();
${*$self}{'io_atomicfile_suffix'} = '';
$self->open(@_) if @_;
$self;
}
#------------------------------
# DESTROY
#------------------------------
# Destructor.
#
sub DESTROY {
shift->close(1); ### like close, but raises fatal exception on failure
}
#------------------------------
# open PATH, MODE
#------------------------------
# Class/instance method.
#
sub open {
my ($self, $path, $mode) = @_;
ref($self) or $self = $self->new; ### now we have an instance!
### Create tmp path, and remember this info:
my $temp = "${path}..TMP" . ${*$self}{'io_atomicfile_suffix'};
${*$self}{'io_atomicfile_temp'} = $temp;
${*$self}{'io_atomicfile_path'} = $path;
### Open the file! Returns filehandle on success, for use as a constructor:
$self->SUPER::open($temp, $mode) ? $self : undef;
}
#------------------------------
# _closed [YESNO]
#------------------------------
# Instance method, private.
# Are we already closed? Argument sets new value, returns previous one.
#
sub _closed {
my $self = shift;
my $oldval = ${*$self}{'io_atomicfile_closed'};
${*$self}{'io_atomicfile_closed'} = shift if @_;
$oldval;
}
#------------------------------
# close
#------------------------------
# Instance method.
# Close the handle, and rename the temp file to its final name.
#
sub close {
my ($self, $die) = @_;
unless ($self->_closed(1)) { ### sentinel...
if ($self->SUPER::close()) {
rename(${*$self}{'io_atomicfile_temp'},
${*$self}{'io_atomicfile_path'})
or ($die ? die "close (rename) atomic file: $!\n" : return undef);
} else {
($die ? die "close atomic file: $!\n" : return undef);
}
}
1;
}
#------------------------------
# delete
#------------------------------
# Instance method.
# Close the handle, and delete the temp file.
#
sub delete {
my $self = shift;
unless ($self->_closed(1)) { ### sentinel...
$self->SUPER::close();
return unlink(${*$self}{'io_atomicfile_temp'});
}
1;
}
#------------------------------
# detach
#------------------------------
# Instance method.
# Close the handle, but DO NOT delete the temp file.
#
sub detach {
my $self = shift;
$self->SUPER::close() unless ($self->_closed(1));
1;
}
#------------------------------
1;
__END__
=head1 NAME
IO::AtomicFile - write a file which is updated atomically
=head1 SYNOPSIS
use strict;
use warnings;
use feature 'say';
use IO::AtomicFile;
# Write a temp file, and have it install itself when closed:
my $fh = IO::AtomicFile->open("bar.dat", "w");
$fh->say("Hello!");
$fh->close || die "couldn't install atomic file: $!";
# Write a temp file, but delete it before it gets installed:
my $fh = IO::AtomicFile->open("bar.dat", "w");
$fh->say("Hello!");
$fh->delete;
# Write a temp file, but neither install it nor delete it:
my $fh = IO::AtomicFile->open("bar.dat", "w");
$fh->say("Hello!");
$fh->detach;
=head1 DESCRIPTION
This module is intended for people who need to update files
reliably in the face of unexpected program termination.
For example, you generally don't want to be halfway in the middle of
writing I</etc/passwd> and have your program terminate! Even
the act of writing a single scalar to a filehandle is I<not> atomic.
But this module gives you true atomic updates, via C<rename>.
When you open a file I</foo/bar.dat> via this module, you are I<actually>
opening a temporary file I</foo/bar.dat..TMP>, and writing your
output there. The act of closing this file (either explicitly
via C<close>, or implicitly via the destruction of the object)
will cause C<rename> to be called... therefore, from the point
of view of the outside world, the file's contents are updated
in a single time quantum.
To ensure that problems do not go undetected, the C<close> method
done by the destructor will raise a fatal exception if the C<rename>
fails. The explicit C<close> just returns C<undef>.
You can also decide at any point to trash the file you've been
building.
=head1 METHODS
L<IO::AtomicFile> inherits all methods from L<IO::File> and
implements the following new ones.
=head2 close
$fh->close();
This method calls its parent L<IO::File/"close"> and then renames its temporary file
as the original file name.
=head2 delete
$fh->delete();
This method calls its parent L<IO::File/"close"> and then deletes the temporary file.
=head2 detach
$fh->detach();
This method calls its parent L<IO::File/"close">. Unlike L<IO::AtomicFile/"delete"> it
does not then delete the temporary file.
=head1 AUTHOR
Eryq (F<eryq@zeegee.com>).
President, ZeeGee Software Inc (F<http://www.zeegee.com>).
=head1 CONTRIBUTORS
Dianne Skoll (F<dfs@roaringpenguin.com>).
=head1 COPYRIGHT & LICENSE
Copyright (c) 1997 Erik (Eryq) Dorfman, ZeeGee Software, Inc. All rights reserved.
This program is free software; you can redistribute it and/or modify it
under the same terms as Perl itself.
=cut
PK )gl\�h� perl5/5.32/IO/Stringy.pmnu ��6�$ package IO::Stringy;
use strict;
use Exporter;
our $VERSION = '2.113';
1;
__END__
=head1 NAME
IO-stringy - I/O on in-core objects like strings and arrays
=head1 SYNOPSIS
use strict;
use warnings;
use IO::AtomicFile; # Write a file which is updated atomically
use IO::InnerFile; # define a file inside another file
use IO::Lines; # I/O handle to read/write to array of lines
use IO::Scalar; # I/O handle to read/write to a string
use IO::ScalarArray; # I/O handle to read/write to array of scalars
use IO::Wrap; # Wrap old-style FHs in standard OO interface
use IO::WrapTie; # Tie your handles & retain full OO interface
# ...
=head1 DESCRIPTION
This toolkit primarily provides modules for performing both traditional
and object-oriented i/o) on things I<other> than normal filehandles;
in particular, L<IO::Scalar|IO::Scalar>, L<IO::ScalarArray|IO::ScalarArray>,
and L<IO::Lines|IO::Lines>.
In the more-traditional IO::Handle front, we
have L<IO::AtomicFile|IO::AtomicFile>
which may be used to painlessly create files which are updated
atomically.
And in the "this-may-prove-useful" corner, we have L<IO::Wrap|IO::Wrap>,
whose exported wraphandle() function will clothe anything that's not
a blessed object in an IO::Handle-like wrapper... so you can just
use OO syntax and stop worrying about whether your function's caller
handed you a string, a globref, or a FileHandle.
=head1 AUTHOR
Eryq (F<eryq@zeegee.com>).
President, ZeeGee Software Inc (F<http://www.zeegee.com>).
=head1 CONTRIBUTORS
Dianne Skoll (F<dfs@roaringpenguin.com>).
=head1 COPYRIGHT & LICENSE
Copyright (c) 1997 Erik (Eryq) Dorfman, ZeeGee Software, Inc. All rights reserved.
This program is free software; you can redistribute it and/or modify it
under the same terms as Perl itself.
=cut
PK +gl\��^�: �: perl5/5.32/IO/Scalar.pmnu ��6�$ package IO::Scalar;
use strict;
use Carp;
use IO::Handle;
### Stringification, courtesy of B. K. Oxley (binkley): :-)
use overload '""' => sub { ${*{$_[0]}->{SR}} };
use overload 'bool' => sub { 1 }; ### have to do this, so object is true!
### The package version, both in 1.23 style *and* usable by MakeMaker:
our $VERSION = '2.113';
### Inheritance:
our @ISA = qw(IO::Handle);
### This stuff should be got rid of ASAP.
require IO::WrapTie and push @ISA, 'IO::WrapTie::Slave' if ($] >= 5.004);
#==============================
=head1 NAME
IO::Scalar - IO:: interface for reading/writing a scalar
=head1 SYNOPSIS
Perform I/O on strings, using the basic OO interface...
use 5.005;
use IO::Scalar;
$data = "My message:\n";
### Open a handle on a string, and append to it:
$SH = new IO::Scalar \$data;
$SH->print("Hello");
$SH->print(", world!\nBye now!\n");
print "The string is now: ", $data, "\n";
### Open a handle on a string, read it line-by-line, then close it:
$SH = new IO::Scalar \$data;
while (defined($_ = $SH->getline)) {
print "Got line: $_";
}
$SH->close;
### Open a handle on a string, and slurp in all the lines:
$SH = new IO::Scalar \$data;
print "All lines:\n", $SH->getlines;
### Get the current position (either of two ways):
$pos = $SH->getpos;
$offset = $SH->tell;
### Set the current position (either of two ways):
$SH->setpos($pos);
$SH->seek($offset, 0);
### Open an anonymous temporary scalar:
$SH = new IO::Scalar;
$SH->print("Hi there!");
print "I printed: ", ${$SH->sref}, "\n"; ### get at value
Don't like OO for your I/O? No problem.
Thanks to the magic of an invisible tie(), the following now
works out of the box, just as it does with IO::Handle:
use 5.005;
use IO::Scalar;
$data = "My message:\n";
### Open a handle on a string, and append to it:
$SH = new IO::Scalar \$data;
print $SH "Hello";
print $SH ", world!\nBye now!\n";
print "The string is now: ", $data, "\n";
### Open a handle on a string, read it line-by-line, then close it:
$SH = new IO::Scalar \$data;
while (<$SH>) {
print "Got line: $_";
}
close $SH;
### Open a handle on a string, and slurp in all the lines:
$SH = new IO::Scalar \$data;
print "All lines:\n", <$SH>;
### Get the current position (WARNING: requires 5.6):
$offset = tell $SH;
### Set the current position (WARNING: requires 5.6):
seek $SH, $offset, 0;
### Open an anonymous temporary scalar:
$SH = new IO::Scalar;
print $SH "Hi there!";
print "I printed: ", ${$SH->sref}, "\n"; ### get at value
And for you folks with 1.x code out there: the old tie() style still works,
though this is I<unnecessary and deprecated>:
use IO::Scalar;
### Writing to a scalar...
my $s;
tie *OUT, 'IO::Scalar', \$s;
print OUT "line 1\nline 2\n", "line 3\n";
print "String is now: $s\n"
### Reading and writing an anonymous scalar...
tie *OUT, 'IO::Scalar';
print OUT "line 1\nline 2\n", "line 3\n";
tied(OUT)->seek(0,0);
while (<OUT>) {
print "Got line: ", $_;
}
Stringification works, too!
my $SH = new IO::Scalar \$data;
print $SH "Hello, ";
print $SH "world!";
print "I printed: $SH\n";
=head1 DESCRIPTION
This class is part of the IO::Stringy distribution;
see L<IO::Stringy> for change log and general information.
The IO::Scalar class implements objects which behave just like
IO::Handle (or FileHandle) objects, except that you may use them
to write to (or read from) scalars. These handles are
automatically C<tiehandle>d (though please see L<"WARNINGS">
for information relevant to your Perl version).
Basically, this:
my $s;
$SH = new IO::Scalar \$s;
$SH->print("Hel", "lo, "); ### OO style
$SH->print("world!\n"); ### ditto
Or this:
my $s;
$SH = tie *OUT, 'IO::Scalar', \$s;
print OUT "Hel", "lo, "; ### non-OO style
print OUT "world!\n"; ### ditto
Causes $s to be set to:
"Hello, world!\n"
=head1 PUBLIC INTERFACE
=head2 Construction
=over 4
=cut
#------------------------------
=item new [ARGS...]
I<Class method.>
Return a new, unattached scalar handle.
If any arguments are given, they're sent to open().
=cut
sub new {
my $proto = shift;
my $class = ref($proto) || $proto;
my $self = bless \do { local *FH }, $class;
tie *$self, $class, $self;
$self->open(@_); ### open on anonymous by default
$self;
}
sub DESTROY {
shift->close;
}
#------------------------------
=item open [SCALARREF]
I<Instance method.>
Open the scalar handle on a new scalar, pointed to by SCALARREF.
If no SCALARREF is given, a "private" scalar is created to hold
the file data.
Returns the self object on success, undefined on error.
=cut
sub open {
my ($self, $sref) = @_;
### Sanity:
defined($sref) or do {my $s = ''; $sref = \$s};
(ref($sref) eq "SCALAR") or croak "open() needs a ref to a scalar";
### Setup:
*$self->{Pos} = 0; ### seek position
*$self->{SR} = $sref; ### scalar reference
$self;
}
#------------------------------
=item opened
I<Instance method.>
Is the scalar handle opened on something?
=cut
sub opened {
*{shift()}->{SR};
}
#------------------------------
=item close
I<Instance method.>
Disassociate the scalar handle from its underlying scalar.
Done automatically on destroy.
=cut
sub close {
my $self = shift;
%{*$self} = ();
1;
}
=back
=cut
#==============================
=head2 Input and output
=over 4
=cut
#------------------------------
=item flush
I<Instance method.>
No-op, provided for OO compatibility.
=cut
sub flush { "0 but true" }
#------------------------------
=item fileno
I<Instance method.>
No-op, returns undef
=cut
sub fileno { }
#------------------------------
=item getc
I<Instance method.>
Return the next character, or undef if none remain.
=cut
sub getc {
my $self = shift;
### Return undef right away if at EOF; else, move pos forward:
return undef if $self->eof;
substr(${*$self->{SR}}, *$self->{Pos}++, 1);
}
#------------------------------
=item getline
I<Instance method.>
Return the next line, or undef on end of string.
Can safely be called in an array context.
Currently, lines are delimited by "\n".
=cut
sub getline {
my $self = shift;
### Return undef right away if at EOF:
return undef if $self->eof;
### Get next line:
my $sr = *$self->{SR};
my $i = *$self->{Pos}; ### Start matching at this point.
### Minimal impact implementation!
### We do the fast thing (no regexps) if using the
### classic input record separator.
### Case 1: $/ is undef: slurp all...
if (!defined($/)) {
*$self->{Pos} = length $$sr;
return substr($$sr, $i);
}
### Case 2: $/ is "\n": zoom zoom zoom...
elsif ($/ eq "\012") {
### Seek ahead for "\n"... yes, this really is faster than regexps.
my $len = length($$sr);
for (; $i < $len; ++$i) {
last if ord (substr ($$sr, $i, 1)) == 10;
}
### Extract the line:
my $line;
if ($i < $len) { ### We found a "\n":
$line = substr ($$sr, *$self->{Pos}, $i - *$self->{Pos} + 1);
*$self->{Pos} = $i+1; ### Remember where we finished up.
}
else { ### No "\n"; slurp the remainder:
$line = substr ($$sr, *$self->{Pos}, $i - *$self->{Pos});
*$self->{Pos} = $len;
}
return $line;
}
### Case 3: $/ is ref to int. Do fixed-size records.
### (Thanks to Dominique Quatravaux.)
elsif (ref($/)) {
my $len = length($$sr);
my $i = ${$/} + 0;
my $line = substr ($$sr, *$self->{Pos}, $i);
*$self->{Pos} += $i;
*$self->{Pos} = $len if (*$self->{Pos} > $len);
return $line;
}
### Case 4: $/ is either "" (paragraphs) or something weird...
### This is Graham's general-purpose stuff, which might be
### a tad slower than Case 2 for typical data, because
### of the regexps.
else {
pos($$sr) = $i;
### If in paragraph mode, skip leading lines (and update i!):
length($/) or
(($$sr =~ m/\G\n*/g) and ($i = pos($$sr)));
### If we see the separator in the buffer ahead...
if (length($/)
? $$sr =~ m,\Q$/\E,g ### (ordinary sep) TBD: precomp!
: $$sr =~ m,\n\n,g ### (a paragraph)
) {
*$self->{Pos} = pos $$sr;
return substr($$sr, $i, *$self->{Pos}-$i);
}
### Else if no separator remains, just slurp the rest:
else {
*$self->{Pos} = length $$sr;
return substr($$sr, $i);
}
}
}
#------------------------------
=item getlines
I<Instance method.>
Get all remaining lines.
It will croak() if accidentally called in a scalar context.
=cut
sub getlines {
my $self = shift;
wantarray or croak("can't call getlines in scalar context!");
my ($line, @lines);
push @lines, $line while (defined($line = $self->getline));
@lines;
}
#------------------------------
=item print ARGS...
I<Instance method.>
Print ARGS to the underlying scalar.
B<Warning:> this continues to always cause a seek to the end
of the string, but if you perform seek()s and tell()s, it is
still safer to explicitly seek-to-end before subsequent print()s.
=cut
sub print {
my $self = shift;
*$self->{Pos} = length(${*$self->{SR}} .= join('', @_) . (defined($\) ? $\ : ""));
1;
}
sub _unsafe_print {
my $self = shift;
my $append = join('', @_) . $\;
${*$self->{SR}} .= $append;
*$self->{Pos} += length($append);
1;
}
sub _old_print {
my $self = shift;
${*$self->{SR}} .= join('', @_) . $\;
*$self->{Pos} = length(${*$self->{SR}});
1;
}
#------------------------------
=item read BUF, NBYTES, [OFFSET]
I<Instance method.>
Read some bytes from the scalar.
Returns the number of bytes actually read, 0 on end-of-file, undef on error.
=cut
sub read {
my $self = $_[0];
my $n = $_[2];
my $off = $_[3] || 0;
my $read = substr(${*$self->{SR}}, *$self->{Pos}, $n);
$n = length($read);
*$self->{Pos} += $n;
($off ? substr($_[1], $off) : $_[1]) = $read;
return $n;
}
#------------------------------
=item write BUF, NBYTES, [OFFSET]
I<Instance method.>
Write some bytes to the scalar.
=cut
sub write {
my $self = $_[0];
my $n = $_[2];
my $off = $_[3] || 0;
my $data = substr($_[1], $off, $n);
$n = length($data);
$self->print($data);
return $n;
}
#------------------------------
=item sysread BUF, LEN, [OFFSET]
I<Instance method.>
Read some bytes from the scalar.
Returns the number of bytes actually read, 0 on end-of-file, undef on error.
=cut
sub sysread {
my $self = shift;
$self->read(@_);
}
#------------------------------
=item syswrite BUF, NBYTES, [OFFSET]
I<Instance method.>
Write some bytes to the scalar.
=cut
sub syswrite {
my $self = shift;
$self->write(@_);
}
=back
=cut
#==============================
=head2 Seeking/telling and other attributes
=over 4
=cut
#------------------------------
=item autoflush
I<Instance method.>
No-op, provided for OO compatibility.
=cut
sub autoflush {}
#------------------------------
=item binmode
I<Instance method.>
No-op, provided for OO compatibility.
=cut
sub binmode {}
#------------------------------
=item clearerr
I<Instance method.> Clear the error and EOF flags. A no-op.
=cut
sub clearerr { 1 }
#------------------------------
=item eof
I<Instance method.> Are we at end of file?
=cut
sub eof {
my $self = shift;
(*$self->{Pos} >= length(${*$self->{SR}}));
}
#------------------------------
=item seek OFFSET, WHENCE
I<Instance method.> Seek to a given position in the stream.
=cut
sub seek {
my ($self, $pos, $whence) = @_;
my $eofpos = length(${*$self->{SR}});
### Seek:
if ($whence == 0) { *$self->{Pos} = $pos } ### SEEK_SET
elsif ($whence == 1) { *$self->{Pos} += $pos } ### SEEK_CUR
elsif ($whence == 2) { *$self->{Pos} = $eofpos + $pos} ### SEEK_END
else { croak "bad seek whence ($whence)" }
### Fixup:
if (*$self->{Pos} < 0) { *$self->{Pos} = 0 }
if (*$self->{Pos} > $eofpos) { *$self->{Pos} = $eofpos }
return 1;
}
#------------------------------
=item sysseek OFFSET, WHENCE
I<Instance method.> Identical to C<seek OFFSET, WHENCE>, I<q.v.>
=cut
sub sysseek {
my $self = shift;
$self->seek (@_);
}
#------------------------------
=item tell
I<Instance method.>
Return the current position in the stream, as a numeric offset.
=cut
sub tell { *{shift()}->{Pos} }
#------------------------------
#
# use_RS [YESNO]
#
# I<Instance method.>
# Obey the current setting of $/, like IO::Handle does?
# Default is false in 1.x, but cold-welded true in 2.x and later.
#
sub use_RS {
my ($self, $yesno) = @_;
carp "use_RS is deprecated and ignored; \$/ is always consulted\n";
}
#------------------------------
=item setpos POS
I<Instance method.>
Set the current position, using the opaque value returned by C<getpos()>.
=cut
sub setpos { shift->seek($_[0],0) }
#------------------------------
=item getpos
I<Instance method.>
Return the current position in the string, as an opaque object.
=cut
*getpos = \&tell;
#------------------------------
=item sref
I<Instance method.>
Return a reference to the underlying scalar.
=cut
sub sref { *{shift()}->{SR} }
#------------------------------
# Tied handle methods...
#------------------------------
# Conventional tiehandle interface:
sub TIEHANDLE {
((defined($_[1]) && UNIVERSAL::isa($_[1], "IO::Scalar"))
? $_[1]
: shift->new(@_));
}
sub GETC { shift->getc(@_) }
sub PRINT { shift->print(@_) }
sub PRINTF { shift->print(sprintf(shift, @_)) }
sub READ { shift->read(@_) }
sub READLINE { wantarray ? shift->getlines(@_) : shift->getline(@_) }
sub WRITE { shift->write(@_); }
sub CLOSE { shift->close(@_); }
sub SEEK { shift->seek(@_); }
sub TELL { shift->tell(@_); }
sub EOF { shift->eof(@_); }
sub BINMODE { 1; }
#------------------------------------------------------------
1;
__END__
=back
=cut
=head1 AUTHOR
Eryq (F<eryq@zeegee.com>).
President, ZeeGee Software Inc (F<http://www.zeegee.com>).
=head1 CONTRIBUTORS
Dianne Skoll (F<dfs@roaringpenguin.com>).
=head1 COPYRIGHT & LICENSE
Copyright (c) 1997 Erik (Eryq) Dorfman, ZeeGee Software, Inc. All rights reserved.
This program is free software; you can redistribute it and/or modify it
under the same terms as Perl itself.
=cut
PK .gl\*�2U" U" perl5/5.32/IO/Wrap.pmnu ��6�$ package IO::Wrap;
use strict;
use Exporter;
use FileHandle;
use Carp;
our $VERSION = '2.113';
our @ISA = qw(Exporter);
our @EXPORT = qw(wraphandle);
#------------------------------
# wraphandle RAW
#------------------------------
sub wraphandle {
my $raw = shift;
new IO::Wrap $raw;
}
#------------------------------
# new STREAM
#------------------------------
sub new {
my ($class, $stream) = @_;
no strict 'refs';
### Convert raw scalar to globref:
ref($stream) or $stream = \*$stream;
### Wrap globref and incomplete objects:
if ((ref($stream) eq 'GLOB') or ### globref
(ref($stream) eq 'FileHandle') && !defined(&FileHandle::read)) {
return bless \$stream, $class;
}
$stream; ### already okay!
}
#------------------------------
# I/O methods...
#------------------------------
sub close {
my $self = shift;
return close($$self);
}
sub fileno {
my $self = shift;
my $fh = $$self;
return fileno($fh);
}
sub getline {
my $self = shift;
my $fh = $$self;
return scalar(<$fh>);
}
sub getlines {
my $self = shift;
wantarray or croak("Can't call getlines in scalar context!");
my $fh = $$self;
<$fh>;
}
sub print {
my $self = shift;
print { $$self } @_;
}
sub read {
my $self = shift;
return read($$self, $_[0], $_[1]);
}
sub seek {
my $self = shift;
return seek($$self, $_[0], $_[1]);
}
sub tell {
my $self = shift;
return tell($$self);
}
1;
__END__
=head1 NAME
IO::Wrap - Wrap raw filehandles in the IO::Handle interface
=head1 SYNOPSIS
use strict;
use warnings;
use IO::Wrap;
# this is a fairly senseless use case as IO::Handle already does this.
my $wrap_fh = IO::Wrap->new(\*STDIN);
my $line = $wrap_fh->getline();
# Do stuff with any kind of filehandle (including a bare globref), or
# any kind of blessed object that responds to a print() message.
# already have a globref? a FileHandle? a scalar filehandle name?
$wrap_fh = IO::Wrap->new($some_unknown_thing);
# At this point, we know we have an IO::Handle-like object! YAY
$wrap_fh->print("Hey there!");
You can also do this using a convenience wrapper function
use strict;
use warnings;
use IO::Wrap qw(wraphandle);
# this is a fairly senseless use case as IO::Handle already does this.
my $wrap_fh = wraphandle(\*STDIN);
my $line = $wrap_fh->getline();
# Do stuff with any kind of filehandle (including a bare globref), or
# any kind of blessed object that responds to a print() message.
# already have a globref? a FileHandle? a scalar filehandle name?
$wrap_fh = wraphandle($some_unknown_thing);
# At this point, we know we have an IO::Handle-like object! YAY
$wrap_fh->print("Hey there!");
=head1 DESCRIPTION
Let's say you want to write some code which does I/O, but you don't
want to force the caller to provide you with a L<FileHandle> or L<IO::Handle>
object. You want them to be able to say:
do_stuff(\*STDOUT);
do_stuff('STDERR');
do_stuff($some_FileHandle_object);
do_stuff($some_IO_Handle_object);
And even:
do_stuff($any_object_with_a_print_method);
Sure, one way to do it is to force the caller to use C<tiehandle()>.
But that puts the burden on them. Another way to do it is to
use B<IO::Wrap>.
Clearly, when wrapping a raw external filehandle (like C<\*STDOUT>),
I didn't want to close the file descriptor when the wrapper object is
destroyed; the user might not appreciate that! Hence, there's no
C<DESTROY> method in this class.
When wrapping a L<FileHandle> object, however, I believe that Perl will
invoke the C<FileHandle::DESTROY> when the last reference goes away,
so in that case, the filehandle is closed if the wrapped L<FileHandle>
really was the last reference to it.
=head1 FUNCTIONS
L<IO::Wrap> makes the following functions available.
=head2 wraphandle
# wrap a filehandle glob
my $fh = wraphandle(\*STDIN);
# wrap a raw filehandle glob by name
$fh = wraphandle('STDIN');
# wrap a handle in an object
$fh = wraphandle('Class::HANDLE');
# wrap a blessed FileHandle object
use FileHandle;
my $fho = FileHandle->new("/tmp/foo.txt", "r");
$fh = wraphandle($fho);
# wrap any other blessed object that shares IO::Handle's interface
$fh = wraphandle($some_object);
This function is simply a wrapper to the L<IO::Wrap/"new"> constructor method.
=head1 METHODS
L<IO::Wrap> implements the following methods.
=head2 close
$fh->close();
The C<close> method will attempt to close the system file descriptor. For a
more complete description, read L<perlfunc/close>.
=head2 fileno
my $int = $fh->fileno();
The C<fileno> method returns the file descriptor for the wrapped filehandle.
See L<perlfunc/fileno> for more information.
=head2 getline
my $data = $fh->getline();
The C<getline> method mimics the function by the same name in L<IO::Handle>.
It's like calling C<< my $data = <$fh>; >> but only in scalar context.
=head2 getlines
my @data = $fh->getlines();
The C<getlines> method mimics the function by the same name in L<IO::Handle>.
It's like calling C<< my @data = <$fh>; >> but only in list context. Calling
this method in scalar context will result in a croak.
=head2 new
# wrap a filehandle glob
my $fh = IO::Wrap->new(\*STDIN);
# wrap a raw filehandle glob by name
$fh = IO::Wrap->new('STDIN');
# wrap a handle in an object
$fh = IO::Wrap->new('Class::HANDLE');
# wrap a blessed FileHandle object
use FileHandle;
my $fho = FileHandle->new("/tmp/foo.txt", "r");
$fh = IO::Wrap->new($fho);
# wrap any other blessed object that shares IO::Handle's interface
$fh = IO::Wrap->new($some_object);
The C<new> constructor method takes in a single argument and decides to wrap
it or not it based on what it seems to be.
A raw scalar file handle name, like C<"STDOUT"> or C<"Class::HANDLE"> can be
wrapped, returning an L<IO::Wrap> object instance.
A raw filehandle glob, like C<\*STDOUT> can also be wrapped, returning an
L<IO::Wrawp> object instance.
A blessed L<FileHandle> object can also be wrapped. This is a special case
where an L<IO::Wrap> object instance will only be returned in the case that
your L<FileHandle> object doesn't support the C<read> method.
Also, any other kind of blessed object that conforms to the
L<IO::Handle> interface can be passed in. In this case, you just get back
that object.
In other words, we only wrap it into an L<IO::Wrap> object when what you've
supplied doesn't already conform to the L<IO::Handle> interface.
If you get back an L<IO::Wrap> object, it will obey a basic subset of
the C<IO::> interface. It will do so with object B<methods>, not B<operators>.
=head3 CAVEATS
This module does not allow you to wrap filehandle names which are given
as strings that lack the package they were opened in. That is, if a user
opens FOO in package Foo, they must pass it to you either as C<\*FOO>
or as C<"Foo::FOO">. However, C<"STDIN"> and friends will work just fine.
=head2 print
$fh->print("Some string");
$fh->print("more", " than one", " string");
The C<print> method will attempt to print a string or list of strings to the
filehandle. For a more complete description, read
L<perlfunc/print>.
=head2 read
my $buffer;
# try to read 30 chars into the buffer starting at the
# current cursor position.
my $num_chars_read = $fh->read($buffer, 30);
The L<read> method attempts to read a number of characters, starting at the
filehandle's current cursor position. It returns the number of characters
actually read. See L<perlfunc/read> for more information.
=head2 seek
use Fcntl qw(:seek); # import the SEEK_CUR, SEEK_SET, SEEK_END constants
# seek to the position in bytes
$fh->seek(0, SEEK_SET);
# seek to the position in bytes from the current position
$fh->seek(22, SEEK_CUR);
# seek to the EOF plus bytes
$fh->seek(0, SEEK_END);
The C<seek> method will attempt to set the cursor to a given position in bytes
for the wrapped file handle. See L<perlfunc/seek> for more information.
=head2 tell
my $bytes = $fh->tell();
The C<tell> method will attempt to return the current position of the cursor
in bytes for the wrapped file handle. See L<perlfunc/tell> for more
information.
=head1 AUTHOR
Eryq (F<eryq@zeegee.com>).
President, ZeeGee Software Inc (F<http://www.zeegee.com>).
=head1 CONTRIBUTORS
Dianne Skoll (F<dfs@roaringpenguin.com>).
=head1 COPYRIGHT & LICENSE
Copyright (c) 1997 Erik (Eryq) Dorfman, ZeeGee Software, Inc. All rights reserved.
This program is free software; you can redistribute it and/or modify it
under the same terms as Perl itself.
=cut
PK 0gl\���|1 1 perl5/5.32/cPanelUserConfig.pmnu �[��� # cpanel - cPanelUserConfig.pm Copyright(c) 2021 cPanel, L.L.C.
# All Rights Reserved.
# copyright@cpanel.net http://cpanel.net
# This code is subject to the cPanel license. Unauthorized copying is prohibited
BEGIN {
if ( $> != 0 ) {
my $b__dir = ( getpwuid($>) )[7] . '/perl';
unshift @INC, $b__dir . '5/lib/perl5', $b__dir . '5/lib/perl5/x86_64-linux-thread-multi', map { $b__dir . $_ } grep { $_ ne '.' } @INC;
}
}
1;
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