rename alias and excludes to -alias and -excludes

[gitmo/Moose.git] / lib / Moose / Meta / Role.pm

diff --git a/lib/Moose/Meta/Role.pm b/lib/Moose/Meta/Role.pm
index 18d5496..a01a8db 100644 (file)
--- a/lib/Moose/Meta/Role.pm
+++ b/lib/Moose/Meta/Role.pm
@@ -10,13 +10,14 @@ use Carp         'confess';
 use Sub::Name    'subname';
 use Devel::GlobalDestruction 'in_global_destruction';
 
-our $VERSION   = '0.79';
+our $VERSION   = '0.89';
 $VERSION = eval $VERSION;
 our $AUTHORITY = 'cpan:STEVAN';
 
 use Moose::Meta::Class;
 use Moose::Meta::Role::Method;
 use Moose::Meta::Role::Method::Required;
+use Moose::Meta::Role::Method::Conflicting;
 
 use base 'Class::MOP::Module';
 
@@ -57,7 +58,7 @@ foreach my $action (
         attr_reader => 'get_excluded_roles_map' ,
         methods     => {
             add       => 'add_excluded_roles',
-            get_list  => 'get_excluded_roles_list',
+            get_keys  => 'get_excluded_roles_list',
             existence => 'excludes_role',
         }
     },
@@ -65,9 +66,9 @@ foreach my $action (
         name        => 'required_methods',
         attr_reader => 'get_required_methods_map',
         methods     => {
-            remove    => 'remove_required_methods',
-            get_list  => 'get_required_method_list',
-            existence => 'requires_method',
+            remove     => 'remove_required_methods',
+            get_values => 'get_required_method_list',
+            existence  => 'requires_method',
         }
     },
     {
@@ -75,7 +76,7 @@ foreach my $action (
         attr_reader => 'get_attribute_map',
         methods     => {
             get       => 'get_attribute',
-            get_list  => 'get_attribute_list',
+            get_keys  => 'get_attribute_list',
             existence => 'has_attribute',
             remove    => 'remove_attribute',
         }
@@ -97,10 +98,15 @@ foreach my $action (
         $self->$attr_reader->{$_} = undef foreach @values;
     }) if exists $methods->{add};
 
-    $META->add_method($methods->{get_list} => sub {
+    $META->add_method($methods->{get_keys} => sub {
         my ($self) = @_;
         keys %{$self->$attr_reader};
-    }) if exists $methods->{get_list};
+    }) if exists $methods->{get_keys};
+
+    $META->add_method($methods->{get_values} => sub {
+        my ($self) = @_;
+        values %{$self->$attr_reader};
+    }) if exists $methods->{get_values};
 
     $META->add_method($methods->{get} => sub {
         my ($self, $name) = @_;
@@ -130,12 +136,36 @@ $META->add_attribute(
     default => 'Moose::Meta::Role::Method::Required',
 );
 
+$META->add_attribute(
+    'conflicting_method_metaclass',
+    reader  => 'conflicting_method_metaclass',
+    default => 'Moose::Meta::Role::Method::Conflicting',
+);
+
+$META->add_attribute(
+    'application_to_class_class',
+    reader  => 'application_to_class_class',
+    default => 'Moose::Meta::Role::Application::ToClass',
+);
+
+$META->add_attribute(
+    'application_to_role_class',
+    reader  => 'application_to_role_class',
+    default => 'Moose::Meta::Role::Application::ToRole',
+);
+
+$META->add_attribute(
+    'application_to_instance_class',
+    reader  => 'application_to_instance_class',
+    default => 'Moose::Meta::Role::Application::ToInstance',
+);
+
 ## some things don't always fit, so they go here ...
 
 sub add_attribute {
     my $self = shift;
     my $name = shift;
-    unless ( defined $name && $name ) {
+    unless ( defined $name ) {
         require Moose;
         Moose->throw_error("You must provide a name for the attribute");
     }
@@ -163,6 +193,20 @@ sub add_required_methods {
     }
 }
 
+sub add_conflicting_method {
+    my $self = shift;
+
+    my $method;
+    if (@_ == 1 && blessed($_[0])) {
+        $method = shift;
+    }
+    else {
+        $method = $self->conflicting_method_metaclass->new(@_);
+    }
+
+    $self->add_required_methods($method);
+}
+
 ## ------------------------------------------------------------------
 ## method modifiers
 
@@ -188,7 +232,8 @@ foreach my $modifier_type (qw[ before around after ]) {
     $META->add_method("get_${modifier_type}_method_modifiers" => sub {
         my ($self, $method_name) = @_;
         #return () unless exists $self->$attr_reader->{$method_name};
-        @{$self->$attr_reader->{$method_name}};
+        my $mm = $self->$attr_reader->{$method_name};
+        $mm ? @$mm : ();
     });
 
     $META->add_method("has_${modifier_type}_method_modifiers" => sub {
@@ -451,18 +496,19 @@ sub apply {
     (blessed($other))
         || Moose->throw_error("You must pass in an blessed instance");
 
+    my $application_class;
     if ($other->isa('Moose::Meta::Role')) {
-        require Moose::Meta::Role::Application::ToRole;
-        return Moose::Meta::Role::Application::ToRole->new(@args)->apply($self, $other);
+        $application_class = $self->application_to_role_class;
     }
     elsif ($other->isa('Moose::Meta::Class')) {
-        require Moose::Meta::Role::Application::ToClass;
-        return Moose::Meta::Role::Application::ToClass->new(@args)->apply($self, $other);
+        $application_class = $self->application_to_class_class;
     }
     else {
-        require Moose::Meta::Role::Application::ToInstance;
-        return Moose::Meta::Role::Application::ToInstance->new(@args)->apply($self, $other);
+        $application_class = $self->application_to_instance_class;
     }
+
+    Class::MOP::load_class($application_class);
+    return $application_class->new(@args)->apply($self, $other);
 }
 
 sub combine {
@@ -766,8 +812,8 @@ This method creates a new role object with the provided name.
 
 This method accepts a list of array references. Each array reference
 should contain a role name as its first element. The second element is
-an optional hash reference. The hash reference can contain C<exclude>
-and C<alias> keys to control how methods are composed from the role.
+an optional hash reference. The hash reference can contain C<-excludes>
+and C<-alias> keys to control how methods are composed from the role.
 
 The return value is a new L<Moose::Meta::Role::Composite> that
 represents the combined roles.
@@ -925,6 +971,11 @@ Adds the named methods to the role's list of required methods.
 
 Removes the named methods from the role's list of required methods.
 
+=item B<< $metarole->add_conflicting_method(%params) >>
+
+Instantiate the parameters as a L<Moose::Meta::Role::Method::Conflicting>
+object, then add it to the required method list.
+
 =back
 
 =head2 Method modifiers