use strict;
use warnings;
-use Carp 'confess';
+use Carp 'confess';
+use Scalar::Util 'blessed';
-our $VERSION = '0.01';
+our $VERSION = '0.64_03';
+$VERSION = eval $VERSION;
+our $AUTHORITY = 'cpan:STEVAN';
use Class::MOP;
sub import {
- shift;
- my $metaclass = shift;
- my %options = @_;
- my $package = caller();
-
+ 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);
+ }
+
($metaclass->isa('Class::MOP::Class'))
- || confess 'The metaclass must be derived from Class::MOP::Class';
-
+ || confess "The metaclass ($metaclass) must be derived from Class::MOP::Class";
+
+ # make sure the custom metaclasses get loaded
+ foreach my $class (grep {
+ /^(attribute|method|instance)_metaclass/
+ } keys %options) {
+ Class::MOP::load_class($options{$class})
+ }
+
+ 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.
- $metaclass->initialize($_[0] => %options)
+ $metaclass->initialize((blessed($_[0]) || $_[0]) => %options)
});
}
=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<meta> method to your class as well.
+
+=head1 AUTHORS
Stevan Little E<lt>stevan@iinteractive.comE<gt>
=head1 COPYRIGHT AND LICENSE
-Copyright 2006 by Infinity Interactive, Inc.
+Copyright 2006-2008 by Infinity Interactive, Inc.
L<http://www.iinteractive.com>
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
\ No newline at end of file
+=cut