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package Module::Build::PodParser;
use strict;
use vars qw($VERSION);
$VERSION = '0.3603';
$VERSION = eval $VERSION;
use vars qw(@ISA);
sub new {
# Perl is so fun.
my $package = shift;
my $self;
# Try using Pod::Parser first
if (eval{ require Pod::Parser; 1; }) {
@ISA = qw(Pod::Parser);
$self = $package->SUPER::new(@_);
$self->{have_pod_parser} = 1;
} else {
@ISA = ();
*parse_from_filehandle = \&_myparse_from_filehandle;
$self = bless {have_pod_parser => 0, @_}, $package;
}
unless ($self->{fh}) {
die "No 'file' or 'fh' parameter given" unless $self->{file};
$self->{fh} = IO::File->new($self->{file}) or die "Couldn't open $self->{file}: $!";
}
return $self;
}
sub _myparse_from_filehandle {
my ($self, $fh) = @_;
local $_;
while (<$fh>) {
next unless /^=(?!cut)/ .. /^=cut/; # in POD
last if ($self->{abstract}) = /^ (?: [a-z:]+ \s+ - \s+ ) (.*\S) /ix;
}
my @author;
while (<$fh>) {
next unless /^=head1\s+AUTHORS?/i ... /^=/;
next if /^=/;
push @author, $_ if /\@/;
}
return unless @author;
s/^\s+|\s+$//g foreach @author;
$self->{author} = \@author;
return;
}
sub get_abstract {
my $self = shift;
return $self->{abstract} if defined $self->{abstract};
$self->parse_from_filehandle($self->{fh});
return $self->{abstract};
}
sub get_author {
my $self = shift;
return $self->{author} if defined $self->{author};
$self->parse_from_filehandle($self->{fh});
return $self->{author} || [];
}
################## Pod::Parser overrides ###########
sub initialize {
my $self = shift;
$self->{_head} = '';
$self->SUPER::initialize();
}
sub command {
my ($self, $cmd, $text) = @_;
if ( $cmd eq 'head1' ) {
$text =~ s/^\s+//;
$text =~ s/\s+$//;
$self->{_head} = $text;
}
}
sub textblock {
my ($self, $text) = @_;
$text =~ s/^\s+//;
$text =~ s/\s+$//;
if (uc $self->{_head} eq 'NAME') {
my ($name, $abstract) = split( /\s+-\s+/, $text, 2 );
$self->{abstract} = $abstract;
} elsif ($self->{_head} =~ /^AUTHORS?$/i) {
push @{$self->{author}}, $text if $text =~ /\@/;
}
}
sub verbatim {}
sub interior_sequence {}
1;
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