X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?p=gitmo%2FMouse.git;a=blobdiff_plain;f=lib%2FMouse%2FMeta%2FAttribute.pm;h=3ea2ca78e85c4bdc23d14856531c2c62eabec515;hp=66c2e3c30faa3c3d6552d1691e41ff14bfb416fb;hb=060f922893d1a0308a393260b65ec172dca9dfe2;hpb=4f41d79bbeee8ede7e5152d81ee315f6f581283e diff --git a/lib/Mouse/Meta/Attribute.pm b/lib/Mouse/Meta/Attribute.pm index 66c2e3c..3ea2ca7 100644 --- a/lib/Mouse/Meta/Attribute.pm +++ b/lib/Mouse/Meta/Attribute.pm @@ -8,11 +8,9 @@ use Mouse::Meta::TypeConstraint; #use Mouse::Meta::Method::Accessor; use Mouse::Meta::Method::Delegation; - sub _process_options{ my($class, $name, $args) = @_; - # XXX: for backward compatibility (with method modifiers) if($class->can('canonicalize_args') != \&canonicalize_args){ %{$args} = $class->canonicalize_args($name, %{$args}); @@ -205,7 +203,7 @@ sub canonicalize_args{ # DEPRECATED Carp::cluck("$self->canonicalize_args has been deprecated." . "Use \$self->_process_options instead.") - if _MOUSE_VERBOSE; + if Mouse::Util::_MOUSE_VERBOSE; return %args; } @@ -215,7 +213,7 @@ sub create { # DEPRECATED Carp::cluck("$self->create has been deprecated." . "Use \$meta->add_attribute and \$attr->install_accessors instead.") - if _MOUSE_VERBOSE; + if Mouse::Util::_MOUSE_VERBOSE; # noop return $self; @@ -284,7 +282,7 @@ sub clone_parent { # DEPRECATED Carp::cluck("$self->clone_parent has been deprecated." . "Use \$meta->add_attribute and \$attr->install_accessors instead.") - if _MOUSE_VERBOSE; + if Mouse::Util::_MOUSE_VERBOSE; $self->clone_and_inherited_args($class, $name, %args); } @@ -305,46 +303,66 @@ sub get_parent_args { # DEPRECATED sub get_read_method { - $_[0]->reader || $_[0]->accessor + return $_[0]->reader || $_[0]->accessor } sub get_write_method { - $_[0]->writer || $_[0]->accessor + return $_[0]->writer || $_[0]->accessor +} + +sub _get_accessor_method_ref { + my($self, $type, $generator) = @_; + + my $metaclass = $self->associated_class + || $self->throw_error('No asocciated class for ' . $self->name); + + my $accessor = $self->$type(); + if($accessor){ + return $metaclass->get_method_body($accessor); + } + else{ + return $self->accessor_metaclass->$generator($self, $metaclass); + } } sub get_read_method_ref{ my($self) = @_; - $self->{_read_method_ref} ||= do{ - my $metaclass = $self->associated_class - or $self->throw_error('No asocciated class for ' . $self->name); - - my $reader = $self->{reader} || $self->{accessor}; - if($reader){ - $metaclass->name->can($reader); - } - else{ - $self->accessor_metaclass->_generate_reader($self, $metaclass); - } - }; + return $self->{_read_method_ref} ||= $self->_get_accessor_method_ref('get_read_method', '_generate_reader'); } sub get_write_method_ref{ my($self) = @_; - $self->{_write_method_ref} ||= do{ - my $metaclass = $self->associated_class - or $self->throw_error('No asocciated class for ' . $self->name); + return $self->{_write_method_ref} ||= $self->_get_accessor_method_ref('get_write_method', '_generate_writer'); +} - my $reader = $self->{writer} || $self->{accessor}; - if($reader){ - $metaclass->name->can($reader); - } - else{ - $self->accessor_metaclass->_generate_writer($self, $metaclass); - } - }; +sub set_value { + my($self, $object, $value) = @_; + return $self->get_write_method_ref()->($object, $value); +} + +sub get_value { + my($self, $object) = @_; + return $self->get_read_method_ref()->($object); +} + +sub has_value { + my($self, $object) = @_; + my $accessor_ref = $self->{_predicate_ref} + ||= $self->_get_accessor_method_ref('predicate', '_generate_predicate'); + + return $accessor_ref->($object); } +sub clear_value { + my($self, $object) = @_; + my $accessor_ref = $self->{_crealer_ref} + ||= $self->_get_accessor_method_ref('clearer', '_generate_clearer'); + + return $accessor_ref->($object); +} + + sub _canonicalize_handles { my($self, $handles) = @_; @@ -360,8 +378,8 @@ sub _canonicalize_handles { my $meta = Mouse::Meta::Class->initialize("$class_or_role"); # "" for stringify return map { $_ => $_ } - grep { $_ ne 'meta' && !Mouse::Object->can($_) && $_ =~ $handles } - Mouse::Util::TypeConstraints::_is_a_metarole($meta) + grep { !Mouse::Object->can($_) && $_ =~ $handles } + Mouse::Util::is_a_metarole($meta) ? $meta->get_method_list : $meta->get_all_method_names; } @@ -371,12 +389,11 @@ sub _canonicalize_handles { } sub associate_method{ - my ($attribute, $method) = @_; + my ($attribute, $method_name) = @_; $attribute->{associated_methods}++; return; } - sub delegation_metaclass() { 'Mouse::Meta::Method::Delegation' } sub install_accessors{ @@ -390,7 +407,7 @@ sub install_accessors{ my $generator = '_generate_' . $type; my $code = $accessor_class->$generator($attribute, $metaclass); $metaclass->add_method($attribute->{$type} => $code); - $attribute->associate_method($code); + $attribute->associate_method($attribute->{$type}); } } @@ -405,11 +422,10 @@ sub install_accessors{ $reader, $handle_name, $method_to_call); $metaclass->add_method($handle_name => $code); - $attribute->associate_method($code); + $attribute->associate_method($handle_name); } } - if($attribute->can('create') != \&create){ # backword compatibility $attribute->create($metaclass, $attribute->name, %{$attribute}); @@ -426,7 +442,6 @@ sub throw_error{ } 1; - __END__ =head1 NAME @@ -435,7 +450,7 @@ Mouse::Meta::Attribute - The Mouse attribute metaclass =head1 VERSION -This document describes Mouse version 0.40_01 +This document describes Mouse version 0.44 =head1 METHODS @@ -543,12 +558,12 @@ is equivalent to this: =back -=head2 C<< associate_method(Method) >> +=head2 C<< associate_method(MethodName) >> Associates a method with the attribute. Typically, this is called internally when an attribute generates its accessors. -Currently the argument I is ignored in Mouse. +Currently the argument I is ignored in Mouse. =head2 C<< verify_against_type_constraint(Item) -> TRUE | ERROR >>