2 package Mouse::Meta::Role;
9 # because Mouse doesn't introspect existing classes, we're forced to
10 # only pay attention to other Mouse classes
11 sub _metaclass_cache {
14 return $METACLASS_CACHE{$name};
20 $METACLASS_CACHE{$name} = $class->new(name => $name)
21 if !exists($METACLASS_CACHE{$name});
22 return $METACLASS_CACHE{$name};
30 $args{attributes} ||= {};
35 sub name { $_[0]->{name} }
41 $self->{attributes}->{$name} = $spec;
44 sub has_attribute { exists $_[0]->{attributes}->{$_[1]} }
45 sub get_attribute_list { keys %{ $_[0]->{attributes} } }
46 sub get_attribute { $_[0]->{attributes}->{$_[1]} }
52 for my $name ($self->get_attribute_list) {
53 next if $class->has_attribute($name);
54 my $spec = $self->get_attribute($name);
55 Mouse::Meta::Attribute->create($class, $name, %$spec);
58 for my $modifier_type (qw/before after around/) {
59 my $add_method = "add_${modifier_type}_method_modifier";
60 my $modified = $self->{"${modifier_type}_method_modifiers"};
62 for my $method_name (keys %$modified) {
63 for my $code (@{ $modified->{$method_name} }) {
64 $class->$add_method($method_name => $code);
70 for my $modifier_type (qw/before after around/) {
72 *{ __PACKAGE__ . '::' . "add_${modifier_type}_method_modifier" } = sub {
73 my ($self, $method_name, $method) = @_;
75 push @{ $self->{"${modifier_type}_method_modifiers"}->{$method_name} },
79 *{ __PACKAGE__ . '::' . "get_${modifier_type}_method_modifiers" } = sub {
80 my ($self, $method_name, $method) = @_;
81 @{ $self->{"${modifier_type}_method_modifiers"}->{$method_name} || [] }