X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FMouse%2FMeta%2FRole.pm;h=07203c376c51c7e394e4aede792a8b2433c8d940;hb=d99db7b6a63d3377b7854c2529a299584499080b;hp=f04dd188527ba6d303133b352ee23fe03f9d0193;hpb=513854c70d1a49d9c09c9f406cc30fd33fe95e59;p=gitmo%2FMouse.git

diff --git a/lib/Mouse/Meta/Role.pm b/lib/Mouse/Meta/Role.pm
index f04dd18..07203c3 100644
--- a/lib/Mouse/Meta/Role.pm
+++ b/lib/Mouse/Meta/Role.pm
@@ -27,10 +27,60 @@ sub new {
     my $class = shift;
     my %args  = @_;
 
+    $args{attributes} ||= {};
+
     bless \%args, $class;
 }
 
 sub name { $_[0]->{name} }
 
+sub add_attribute {
+    my $self = shift;
+    my $name = shift;
+    my $spec = shift;
+    $self->{attributes}->{$name} = $spec;
+}
+
+sub has_attribute { exists $_[0]->{attributes}->{$_[1]}  }
+sub get_attribute_list { keys %{ $_[0]->{attributes} } }
+sub get_attribute { $_[0]->{attributes}->{$_[1]} }
+
+sub apply {
+    my $self  = shift;
+    my $class = shift;
+
+    for my $name ($self->get_attribute_list) {
+        next if $class->has_attribute($name);
+        my $spec = $self->get_attribute($name);
+        Mouse::Meta::Attribute->create($class, $name, %$spec);
+    }
+
+    for my $modifier_type (qw/before after around/) {
+        my $add_method = "add_${modifier_type}_method_modifier";
+        my $modified = $self->{"${modifier_type}_method_modifiers"};
+
+        for my $method_name (keys %$modified) {
+            for my $code (@{ $modified->{$method_name} }) {
+                $class->$add_method($method_name => $code);
+            }
+        }
+    }
+}
+
+for my $modifier_type (qw/before after around/) {
+    no strict 'refs';
+    *{ __PACKAGE__ . '::' . "add_${modifier_type}_method_modifier" } = sub {
+        my ($self, $method_name, $method) = @_;
+
+        push @{ $self->{"${modifier_type}_method_modifiers"}->{$method_name} },
+            $method;
+    };
+
+    *{ __PACKAGE__ . '::' . "get_${modifier_type}_method_modifiers" } = sub {
+        my ($self, $method_name, $method) = @_;
+        @{ $self->{"${modifier_type}_method_modifiers"}->{$method_name} || [] }
+    };
+}
+
 1;