package Module::Build::PodParser;

use strict;
use vars qw($VERSION);
$VERSION = '0.4003';
$VERSION = eval $VERSION;
use vars qw(@ISA);

sub new {
# Perl is so fun.
my $package = shift;

my $self;
@ISA = ();
$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 parse_from_filehandle {
my ($self, $fh) = @_;

local $_;
while (<$fh>) {
next unless /^=(?!cut)/ .. /^=cut/; # in POD
# Accept Name - abstract or C<Name> - abstract
last if ($self->{abstract}) = /^ (?: [a-z0-9:]+ | [BCIF] < [a-z0-9:]+ > ) \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} || [];
}