X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FMouse%2FMeta%2FRole.pm;h=2ea38e237658e7a07963b8e9246705e405f27102;hb=11d415286701d3b51e517cb6826138808967cb89;hp=2ce294c14f277fb8ec9f3977f32f753f0fc1c3a6;hpb=21498b08feb4f9e5f74670eafe293adcbf3cdd29;p=gitmo%2FMouse.git diff --git a/lib/Mouse/Meta/Role.pm b/lib/Mouse/Meta/Role.pm index 2ce294c..2ea38e2 100644 --- a/lib/Mouse/Meta/Role.pm +++ b/lib/Mouse/Meta/Role.pm @@ -1,9 +1,11 @@ -#!/usr/bin/env perl package Mouse::Meta::Role; use strict; use warnings; use Carp 'confess'; +use Mouse::Meta::Attribute; +use Mouse::Util qw(version authority identifier); + do { my %METACLASS_CACHE; @@ -43,11 +45,13 @@ sub add_required_methods { push @{$self->{required_methods}}, @methods; } + + sub add_attribute { my $self = shift; my $name = shift; my $spec = shift; - $self->{attributes}->{$name} = $spec; + $self->{attributes}->{$name} = Mouse::Meta::Attribute->new($name, %$spec); } sub has_attribute { exists $_[0]->{attributes}->{$_[1]} } @@ -61,13 +65,14 @@ sub get_method_list { no strict 'refs'; # Get all the CODE symbol table entries - my @functions = grep !/^meta$/, - grep { /\A[^\W\d]\w*\z/o } + my @functions = + grep !/^(?:has|with|around|before|after|augment|inner|override|super|blessed|extends|confess|excludes|meta|requires)$/, 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 +80,10 @@ 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)) { @@ -86,18 +95,20 @@ sub apply { { no strict 'refs'; for my $name ($self->get_method_list) { - next if $name eq 'has' || $name eq 'requires' || $name eq 'meta' || $name eq 'with' || $name eq 'around' || $name eq 'before' || $name eq 'after' || $name eq 'blessed' || $name eq 'extends' || $name eq 'confess' || $name eq 'excludes'; + 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 +119,19 @@ 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 +144,7 @@ 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"}; @@ -163,18 +186,20 @@ sub combine_apply { my $selfname = $self->name; my %args = %{ $role_spec->[1] }; for my $name ($self->get_method_list) { - next if $name eq 'has' || $name eq 'requires' || $name eq 'meta' || $name eq 'with' || $name eq 'around' || $name eq 'before' || $name eq 'after' || $name eq 'blessed' || $name eq 'extends' || $name eq 'confess' || $name eq 'excludes'; + 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 +214,19 @@ 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 +243,7 @@ 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 +259,17 @@ 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 +286,23 @@ 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;