Abstracts

[gitmo/MooseX-Role-Parameterized.git] / lib / MooseX / Role / Parameterized / Meta / Role / Parameterizable.pm

diff --git a/lib/MooseX/Role/Parameterized/Meta/Role/Parameterizable.pm b/lib/MooseX/Role/Parameterized/Meta/Role/Parameterizable.pm
index 0b9b566..510ce6e 100644 (file)
--- a/lib/MooseX/Role/Parameterized/Meta/Role/Parameterizable.pm
+++ b/lib/MooseX/Role/Parameterized/Meta/Role/Parameterizable.pm
@@ -1,8 +1,9 @@
-#!/usr/bin/env perl
 package MooseX::Role::Parameterized::Meta::Role::Parameterizable;
 use Moose;
 extends 'Moose::Meta::Role';
 
+# ABSTRACT: metaclass for parameterizable roles
+
 use MooseX::Role::Parameterized::Meta::Role::Parameterized;
 use MooseX::Role::Parameterized::Parameters;
 
@@ -27,23 +28,38 @@ has role_generator => (
 
 sub add_parameter {
     my $self = shift;
-    $self->parameter_metaclass->add_attribute(@_);
+    my $name = shift;
+
+    # need to figure out a plan for these guys..
+    confess "The parameter name ($name) is currently forbidden."
+        if $name eq 'alias'
+        || $name eq 'excludes';
+
+    $self->parameter_metaclass->add_attribute($name => @_);
 }
 
 sub construct_parameters {
     my $self = shift;
-    $self->parameter_metaclass->new_object(@_);
+    my %args = @_;
+
+    # need to figure out a plan for these guys..
+    for my $name ('alias', 'excludes') {
+        confess "The parameter name ($name) is currently forbidden."
+            if exists $args{$name};
+    }
+
+    $self->parameter_metaclass->new_object(\%args);
 }
 
 sub generate_role {
     my $self = shift;
-    my %args = @_;
+
+    my $parameters = @_ == 1 ? shift
+                             : $self->construct_parameters(@_);
 
     confess "A role generator is required to generate roles"
         unless $self->has_role_generator;
 
-    my $parameters = $self->construct_parameters(%args);
-
     my $role = $self->parameterized_role_metaclass->create_anon_role(parameters => $parameters);
 
     local $MooseX::Role::Parameterized::CURRENT_METACLASS = $role;