use Carp 'confess';
use Scalar::Util 'blessed';
-our $VERSION = '0.03';
+our $VERSION = '0.92';
+$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)
});
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
# 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<meta> 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<meta> method to your class as well.
=head1 AUTHORS
Stevan Little E<lt>stevan@iinteractive.comE<gt>
-Yuval Kogman E<lt>nothingmuch@woobling.comE<gt>
-
=head1 COPYRIGHT AND LICENSE
-Copyright 2006, 2007 by Infinity Interactive, Inc.
+Copyright 2006-2009 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