X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2Fmetaclass.pm;h=05e4896e13cb5ccd935aa181c8e429da616b41e5;hb=b4bd10ecd2eabe1a2c1bc3addad22b207f6592ee;hp=56d8475699b6aa9bf45775059cbf46cba8eed1e9;hpb=2367814a108bbb85efbf76b57fc58bf464d68455;p=gitmo%2FClass-MOP.git diff --git a/lib/metaclass.pm b/lib/metaclass.pm index 56d8475..05e4896 100644 --- a/lib/metaclass.pm +++ b/lib/metaclass.pm @@ -7,32 +7,45 @@ use warnings; use Carp 'confess'; use Scalar::Util 'blessed'; -our $VERSION = '0.03'; +our $VERSION = '0.77'; +$VERSION = eval $VERSION; our $AUTHORITY = 'cpan:STEVAN'; use Class::MOP; sub import { - shift; - my $metaclass; - if (!defined($_[0]) || $_[0] =~ /^(attribute|method|instance)_metaclass/) { - $metaclass = 'Class::MOP::Class'; + my ( $class, @args ) = @_; + + unshift @args, "metaclass" if @args % 2 == 1; + my %options = @args; + + my $metaclass = delete $options{metaclass}; + + unless ( defined $metaclass ) { + $metaclass = "Class::MOP::Class"; + } else { + Class::MOP::load_class($metaclass); } - else { - $metaclass = shift; - ($metaclass->isa('Class::MOP::Class')) - || confess "The metaclass ($metaclass) must be derived from Class::MOP::Class"; + + ($metaclass->isa('Class::MOP::Class')) + || confess "The metaclass ($metaclass) must be derived from Class::MOP::Class"; + + # make sure the custom metaclasses get loaded + foreach my $key (grep { /_(?:meta)?class$/ } keys %options) { + unless ( ref( my $class = $options{$key} ) ) { + Class::MOP::load_class($class) + } } - my %options = @_; + my $package = caller(); - + # create a meta object so we can install &meta my $meta = $metaclass->initialize($package => %options); $meta->add_method('meta' => sub { - # we must re-initialize so that it - # works as expected in subclasses, - # since metaclass instances are - # singletons, this is not really a + # we must re-initialize so that it + # works as expected in subclasses, + # since metaclass instances are + # singletons, this is not really a # big deal anyway. $metaclass->initialize((blessed($_[0]) || $_[0]) => %options) }); @@ -53,17 +66,17 @@ metaclass - a pragma for installing and using Class::MOP metaclasses package MyClass; # use Class::MOP::Class - use metaclass; + use metaclass; # ... or use a custom metaclass use metaclass 'MyMetaClass'; - - # ... or use a custom metaclass + + # ... or use a custom metaclass # and custom attribute and method # metaclasses use metaclass 'MyMetaClass' => ( 'attribute_metaclass' => 'MyAttributeMetaClass', - 'method_metaclass' => 'MyMethodMetaClass', + 'method_metaclass' => 'MyMethodMetaClass', ); # ... or just specify custom attribute @@ -71,28 +84,26 @@ metaclass - a pragma for installing and using Class::MOP metaclasses # is the assumed metaclass use metaclass ( 'attribute_metaclass' => 'MyAttributeMetaClass', - 'method_metaclass' => 'MyMethodMetaClass', + 'method_metaclass' => 'MyMethodMetaClass', ); =head1 DESCRIPTION -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. +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, 2007 by Infinity Interactive, Inc. +Copyright 2006-2008 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. +it under the same terms as Perl itself. =cut