X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2Fmetaclass.pm;h=56d8475699b6aa9bf45775059cbf46cba8eed1e9;hb=2367814a108bbb85efbf76b57fc58bf464d68455;hp=f9f0b75877655d5be19c43b015382b2627010287;hpb=677eb1584b6e27c6079daed35110cb4192153db4;p=gitmo%2FClass-MOP.git diff --git a/lib/metaclass.pm b/lib/metaclass.pm index f9f0b75..56d8475 100644 --- a/lib/metaclass.pm +++ b/lib/metaclass.pm @@ -4,20 +4,27 @@ package metaclass; use strict; use warnings; -use Carp 'confess'; +use Carp 'confess'; +use Scalar::Util 'blessed'; -our $VERSION = '0.01'; +our $VERSION = '0.03'; +our $AUTHORITY = 'cpan:STEVAN'; use Class::MOP; sub import { shift; - my $metaclass = shift; - my %options = @_; - my $package = caller(); - - ($metaclass->isa('Class::MOP::Class')) - || confess 'The metaclass must be derived from Class::MOP::Class'; + my $metaclass; + if (!defined($_[0]) || $_[0] =~ /^(attribute|method|instance)_metaclass/) { + $metaclass = 'Class::MOP::Class'; + } + else { + $metaclass = shift; + ($metaclass->isa('Class::MOP::Class')) + || confess "The metaclass ($metaclass) must be derived from Class::MOP::Class"; + } + my %options = @_; + my $package = caller(); # create a meta object so we can install &meta my $meta = $metaclass->initialize($package => %options); @@ -27,7 +34,7 @@ sub import { # since metaclass instances are # singletons, this is not really a # big deal anyway. - $metaclass->initialize($_[0] => %options) + $metaclass->initialize((blessed($_[0]) || $_[0]) => %options) }); } @@ -39,30 +46,53 @@ __END__ =head1 NAME -metaclass - a pragma for installing using Class::MOP metaclasses +metaclass - a pragma for installing and using Class::MOP metaclasses =head1 SYNOPSIS + package MyClass; + + # use Class::MOP::Class + use metaclass; + + # ... or use a custom metaclass use metaclass 'MyMetaClass'; + # ... or use a custom metaclass + # and custom attribute and method + # metaclasses use metaclass 'MyMetaClass' => ( - ':attribute_metaclass' => 'MyAttributeMetaClass', - ':method_metaclass' => 'MyMethodMetaClass', + 'attribute_metaclass' => 'MyAttributeMetaClass', + 'method_metaclass' => 'MyMethodMetaClass', + ); + + # ... or just specify custom attribute + # and method classes, and Class::MOP::Class + # is the assumed metaclass + use metaclass ( + 'attribute_metaclass' => 'MyAttributeMetaClass', + 'method_metaclass' => 'MyMethodMetaClass', ); =head1 DESCRIPTION -=head1 AUTHOR +This is a pragma to make it easier to use a specific metaclass +and a set of custom attribute and method metaclasses. It also +installs a C method to your class as well. + +=head1 AUTHORS Stevan Little Estevan@iinteractive.comE +Yuval Kogman Enothingmuch@woobling.comE + =head1 COPYRIGHT AND LICENSE -Copyright 2006 by Infinity Interactive, Inc. +Copyright 2006, 2007 by Infinity Interactive, Inc. L This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself. -=cut \ No newline at end of file +=cut