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Riley Schneider
186
database/perl/lib/Module/Build/PPMMaker.pm
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186
database/perl/lib/Module/Build/PPMMaker.pm
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package Module::Build::PPMMaker;
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use strict;
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use warnings;
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use Config;
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our $VERSION = '0.4231';
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$VERSION = eval $VERSION;
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# This code is mostly borrowed from ExtUtils::MM_Unix 6.10_03, with a
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# few tweaks based on the PPD spec at
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# http://www.xav.com/perl/site/lib/XML/PPD.html
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# The PPD spec is based on <http://www.w3.org/TR/NOTE-OSD>
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sub new {
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my $package = shift;
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return bless {@_}, $package;
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}
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sub make_ppd {
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my ($self, %args) = @_;
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my $build = delete $args{build};
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my @codebase;
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if (exists $args{codebase}) {
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@codebase = ref $args{codebase} ? @{$args{codebase}} : ($args{codebase});
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} else {
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my $distfile = $build->ppm_name . '.tar.gz';
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print "Using default codebase '$distfile'\n";
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@codebase = ($distfile);
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}
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my %dist;
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foreach my $info (qw(name author abstract version)) {
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my $method = "dist_$info";
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$dist{$info} = $build->$method() or die "Can't determine distribution's $info\n";
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}
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$self->_simple_xml_escape($_) foreach $dist{abstract}, @{$dist{author}};
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# TODO: could add <LICENSE HREF=...> tag if we knew what the URLs were for
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# various licenses
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my $ppd = <<"PPD";
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<SOFTPKG NAME=\"$dist{name}\" VERSION=\"$dist{version}\">
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<ABSTRACT>$dist{abstract}</ABSTRACT>
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@{[ join "\n", map " <AUTHOR>$_</AUTHOR>", @{$dist{author}} ]}
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<IMPLEMENTATION>
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PPD
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# We don't include recommended dependencies because PPD has no way
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# to distinguish them from normal dependencies. We don't include
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# build_requires dependencies because the PPM installer doesn't
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# build or test before installing. And obviously we don't include
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# conflicts either.
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foreach my $type (qw(requires)) {
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my $prereq = $build->$type();
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foreach my $modname (sort keys %$prereq) {
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next if $modname eq 'perl';
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my $min_version = '0.0';
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foreach my $c ($build->_parse_conditions($prereq->{$modname})) {
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my ($op, $version) = $c =~ /^\s* (<=?|>=?|==|!=) \s* ([\w.]+) \s*$/x;
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# This is a nasty hack because it fails if there is no >= op
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if ($op eq '>=') {
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$min_version = $version;
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last;
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}
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}
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# PPM4 spec requires a '::' for top level modules
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$modname .= '::' unless $modname =~ /::/;
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$ppd .= qq! <REQUIRE NAME="$modname" VERSION="$min_version" />\n!;
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}
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}
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# We only include these tags if this module involves XS, on the
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# assumption that pure Perl modules will work on any OS.
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if (keys %{$build->find_xs_files}) {
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my $perl_version = $self->_ppd_version($build->perl_version);
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$ppd .= sprintf(<<'EOF', $self->_varchname($build->config) );
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<ARCHITECTURE NAME="%s" />
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EOF
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}
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foreach my $codebase (@codebase) {
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$self->_simple_xml_escape($codebase);
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$ppd .= sprintf(<<'EOF', $codebase);
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<CODEBASE HREF="%s" />
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EOF
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}
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$ppd .= <<'EOF';
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</IMPLEMENTATION>
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</SOFTPKG>
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EOF
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my $ppd_file = "$dist{name}.ppd";
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open(my $fh, '>', $ppd_file)
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or die "Cannot write to $ppd_file: $!";
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binmode($fh, ":utf8")
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if $] >= 5.008 && $Config{useperlio};
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print $fh $ppd;
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close $fh;
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return $ppd_file;
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}
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sub _ppd_version {
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my ($self, $version) = @_;
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# generates something like "0,18,0,0"
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return join ',', (split(/\./, $version), (0)x4)[0..3];
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}
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sub _varchname { # Copied from PPM.pm
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my ($self, $config) = @_;
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my $varchname = $config->{archname};
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# Append "-5.8" to architecture name for Perl 5.8 and later
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if ($] >= 5.008) {
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my $vstring = sprintf "%vd", $^V;
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$vstring =~ s/\.\d+$//;
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$varchname .= "-$vstring";
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}
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return $varchname;
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}
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{
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my %escapes = (
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"\n" => "\\n",
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'"' => '"',
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'&' => '&',
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'>' => '>',
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'<' => '<',
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);
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my $rx = join '|', keys %escapes;
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sub _simple_xml_escape {
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$_[1] =~ s/($rx)/$escapes{$1}/go;
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}
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}
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1;
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__END__
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=head1 NAME
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Module::Build::PPMMaker - Perl Package Manager file creation
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=head1 SYNOPSIS
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On the command line, builds a .ppd file:
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./Build ppd
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=head1 DESCRIPTION
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This package contains the code that builds F<.ppd> "Perl Package
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Description" files, in support of ActiveState's "Perl Package
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Manager". Details are here:
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L<http://aspn.activestate.com/ASPN/Downloads/ActivePerl/PPM/>
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=head1 AUTHOR
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Dave Rolsky <autarch@urth.org>, Ken Williams <kwilliams@cpan.org>
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=head1 COPYRIGHT
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Copyright (c) 2001-2006 Ken Williams. All rights reserved.
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This library is free software; you can redistribute it and/or
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modify it under the same terms as Perl itself.
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=head1 SEE ALSO
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perl(1), Module::Build(3)
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=cut
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