package YAML::Marshall;
use strict; use warnings;
use YAML::Node();
sub import {
my $class = shift;
no strict 'refs';
my $package = caller;
unless (grep { $_ eq $class} @{$package . '::ISA'}) {
push @{$package . '::ISA'}, $class;
}
my $tag = shift;
if ($tag) {
no warnings 'once';
$YAML::TagClass->{$tag} = $package;
${$package . "::YamlTag"} = $tag;
}
}
sub yaml_dump {
my $self = shift;
no strict 'refs';
my $tag = ${ref($self) . "::YamlTag"} || 'perl/' . ref($self);
$self->yaml_node($self, $tag);
}
sub yaml_load {
my ($class, $node) = @_;
if (my $ynode = $class->yaml_ynode($node)) {
$node = $ynode->{NODE};
}
bless $node, $class;
}
sub yaml_node {
shift;
YAML::Node->new(@_);
}
sub yaml_ynode {
shift;
YAML::Node::ynode(@_);
}
1;
__END__
=head1 NAME
YAML::Marshall - YAML marshalling class you can mixin to your classes
=head1 SYNOPSIS
package Bar;
use Foo -base;
use YAML::Marshall -mixin;
=head1 DESCRIPTION
For classes that want to handle their own YAML serialization.
=head1 AUTHOR
Ingy döt Net <ingy@cpan.org>
=head1 COPYRIGHT
Copyright (c) 2006. Ingy döt Net. All rights reserved.
This program is free software; you can redistribute it and/or modify it
under the same terms as Perl itself.
See L<http://www.perl.com/perl/misc/Artistic.html>
=cut
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