still failing some tests. waiting for suggestions on whether to fix old CDIretardedness

[catagits/Catalyst-Runtime.git] / lib / Catalyst / ClassData.pm

package Catalyst::ClassData;

use Moose::Role;
use Class::MOP;
use Scalar::Util 'blessed';

sub mk_classdata {
  my ($class, $attribute) = @_;
  confess("mk_classdata() is a class method, not an object method")
    if blessed $class;

  my $slot = '$'.$attribute;
  my $accessor =  sub {
    if(@_ > 1){
      $_[0]->meta->add_package_symbol($slot, \ $_[1]);
      return $_[1];
    }

    foreach my $super ( (blessed $_[0] || $_[0]), $_[0]->meta->linearized_isa ) {
      my $meta = Moose::Meta::Class->initialize($super);
      if( $meta->has_package_symbol($slot) ){
        return ${ $meta->get_package_symbol($slot) };
      }
    }
    return;
  };

  confess("Failed to create accessor: $@ ")
    unless ref $accessor eq 'CODE';

  my $meta = $class->meta;
  my $alias = "_${attribute}_accessor";
  $meta->add_method($alias, $accessor);
  $meta->add_method($attribute, $accessor);
  $class->$attribute($_[2]) if(@_ > 2);
  return $accessor;
}

1;

__END__