X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FMouse%2FMeta%2FRole.pm;h=e1324889b163f80479e7f366b474936235d0c6e1;hb=37dc67cb9daf91c9530e5ffc762de36cb0432c7f;hp=5f8f56789b7ec964223d0b51e9da0d68f7074745;hpb=8632b6fe69bd4417ad67fbcbbca617ad4fd54ccb;p=gitmo%2FMouse.git

diff --git a/lib/Mouse/Meta/Role.pm b/lib/Mouse/Meta/Role.pm
index 5f8f567..e132488 100644
--- a/lib/Mouse/Meta/Role.pm
+++ b/lib/Mouse/Meta/Role.pm
@@ -1,9 +1,10 @@
-#!/usr/bin/env perl
 package Mouse::Meta::Role;
 use strict;
 use warnings;
 use Carp 'confess';
 
+use Mouse::Util qw(version authority identifier);
+
 do {
     my %METACLASS_CACHE;
 
@@ -43,6 +44,8 @@ sub add_required_methods {
     push @{$self->{required_methods}}, @methods;
 }
 
+
+
 sub add_attribute {
     my $self = shift;
     my $name = shift;
@@ -62,12 +65,13 @@ sub get_method_list {
     no strict 'refs';
     # Get all the CODE symbol table entries
     my @functions =
-      grep !/(?:has|with|around|before|after|blessed|extends|confess|excludes|meta|requires)/,
+      grep !/^(?:has|with|around|before|after|augment|inner|override|super|blessed|extends|confess|excludes|meta|requires)$/,
       grep { defined &{"${name}::$_"} }
       keys %{"${name}::"};
     wantarray ? @functions : \@functions;
 }
 
+# Moose uses Application::ToInstance, Application::ToClass, Application::ToRole
 sub apply {
     my $self  = shift;
     my $selfname = $self->name;
@@ -75,6 +79,10 @@ sub apply {
     my $classname = $class->name;
     my %args  = @_;
 
+    if ($class->isa('Mouse::Object')) {
+        Carp::croak('Mouse does not support Application::ToInstance yet');
+    }
+
     if ($class->isa('Mouse::Meta::Class')) {
         for my $name (@{$self->{required_methods}}) {
             unless ($classname->can($name)) {
@@ -88,16 +96,18 @@ sub apply {
         for my $name ($self->get_method_list) {
             next if $name eq 'meta';
 
-            if ($classname->can($name)) {
+            my $class_function = "${classname}::${name}";
+            my $role_function = "${selfname}::${name}";
+            if (defined &$class_function) {
                 # XXX what's Moose's behavior?
                 #next;
             } else {
-                *{"${classname}::${name}"} = *{"${selfname}::${name}"};
+                *{$class_function} = \&{$role_function};
             }
             if ($args{alias} && $args{alias}->{$name}) {
                 my $dstname = $args{alias}->{$name};
                 unless ($classname->can($dstname)) {
-                    *{"${classname}::${dstname}"} = *{"${selfname}::${name}"};
+                    *{"${classname}::${dstname}"} = \&$role_function;
                 }
             }
         }
@@ -108,7 +118,19 @@ sub apply {
         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);
+
+            my $metaclass = 'Mouse::Meta::Attribute';
+            if ( my $metaclass_name = $spec->{metaclass} ) {
+                my $new_class = Mouse::Util::resolve_metaclass_alias(
+                    'Attribute',
+                    $metaclass_name
+                );
+                if ( $metaclass ne $new_class ) {
+                    $metaclass = $new_class;
+                }
+            }
+
+            $metaclass->create($class, $name, %$spec);
         }
     } else {
         # apply role to role
@@ -121,7 +143,7 @@ sub apply {
     }
 
     # XXX Room for speed improvement in role to role
-    for my $modifier_type (qw/before after around/) {
+    for my $modifier_type (qw/before after around override/) {
         my $add_method = "add_${modifier_type}_method_modifier";
         my $modified = $self->{"${modifier_type}_method_modifiers"};
 
@@ -165,16 +187,18 @@ sub combine_apply {
             for my $name ($self->get_method_list) {
                 next if $name eq 'meta';
 
-                if ($classname->can($name)) {
+                my $class_function = "${classname}::${name}";
+                my $role_function = "${selfname}::${name}";
+                if (defined &$class_function) {
                     # XXX what's Moose's behavior?
                     #next;
                 } else {
-                    *{"${classname}::${name}"} = *{"${selfname}::${name}"};
+                    *$class_function = *$role_function;
                 }
                 if ($args{alias} && $args{alias}->{$name}) {
                     my $dstname = $args{alias}->{$name};
                     unless ($classname->can($dstname)) {
-                        *{"${classname}::${dstname}"} = *{"${selfname}::${name}"};
+                        *{"${classname}::${dstname}"} = \&$role_function;
                     }
                 }
             }
@@ -189,7 +213,19 @@ sub combine_apply {
             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);
+
+                my $metaclass = 'Mouse::Meta::Attribute';
+                if ( my $metaclass_name = $spec->{metaclass} ) {
+                    my $new_class = Mouse::Util::resolve_metaclass_alias(
+                        'Attribute',
+                        $metaclass_name
+                    );
+                    if ( $metaclass ne $new_class ) {
+                        $metaclass = $new_class;
+                    }
+                }
+
+                $metaclass->create($class, $name, %$spec);
             }
         }
     } else {
@@ -206,7 +242,7 @@ sub combine_apply {
     }
 
     # XXX Room for speed improvement in role to role
-    for my $modifier_type (qw/before after around/) {
+    for my $modifier_type (qw/before after around override/) {
         my $add_method = "add_${modifier_type}_method_modifier";
         for my $role_spec (@roles) {
             my $self = $role_spec->[0]->meta;
@@ -222,17 +258,17 @@ sub combine_apply {
 
     # append roles
     my %role_apply_cache;
-    my @apply_roles;
+    my $apply_roles = $class->roles;
     for my $role_spec (@roles) {
         my $self = $role_spec->[0]->meta;
-        push @apply_roles, $self unless $role_apply_cache{$self}++;
-        for my $role ($self->roles) {
-            push @apply_roles, $role unless $role_apply_cache{$role}++;
+        push @$apply_roles, $self unless $role_apply_cache{$self}++;
+        for my $role (@{ $self->roles }) {
+            push @$apply_roles, $role unless $role_apply_cache{$role}++;
         }
     }
 }
 
-for my $modifier_type (qw/before after around/) {
+for my $modifier_type (qw/before after around override/) {
     no strict 'refs';
     *{ __PACKAGE__ . '::' . "add_${modifier_type}_method_modifier" } = sub {
         my ($self, $method_name, $method) = @_;
@@ -249,5 +285,23 @@ for my $modifier_type (qw/before after around/) {
 
 sub roles { $_[0]->{roles} }
 
+
+# This is currently not passing all the Moose tests.
+sub does_role {
+    my ($self, $role_name) = @_;
+
+    (defined $role_name)
+        || confess "You must supply a role name to look for";
+
+    # if we are it,.. then return true
+    return 1 if $role_name eq $self->name;
+
+    for my $role (@{ $self->{roles} }) {
+        return 1 if $role->does_role($role_name);
+    }
+    return 0;
+}
+
+
 1;