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=764abbb7e2ff65a13b79bd0695e77377eb60ae14;hp=9ffac5257b7bfaf07f1e92ec6cd6e4cf870f6b26;hb=431657256f423bda264c0cb76c28de72fd879b20;hpb=4ab51fb0d7f27cd9d984a6574c4a9d8f2fb68776 diff --git a/lib/Mouse/Meta/Attribute.pm b/lib/Mouse/Meta/Attribute.pm index 9ffac52..764abbb 100644 --- a/lib/Mouse/Meta/Attribute.pm +++ b/lib/Mouse/Meta/Attribute.pm @@ -1,11 +1,8 @@ package Mouse::Meta::Attribute; -use strict; -use warnings; +use Mouse::Util qw(:meta); # enables strict and warnings use Carp (); -use Mouse::Util qw(:meta); - use Mouse::Meta::TypeConstraint; use Mouse::Meta::Method::Accessor; @@ -83,8 +80,7 @@ sub _process_options{ $args->{type_constraint} = Mouse::Util::TypeConstraints::find_or_create_isa_type_constraint($args->{isa}); } elsif(exists $args->{does}){ - # TODO - # $args->{type_constraint} = Mouse::Util::TypeConstraints::find_or_create_does_type_constraint($args->{does}); + $args->{type_constraint} = Mouse::Util::TypeConstraints::find_or_create_does_type_constraint($args->{does}); } $tc = $args->{type_constraint}; @@ -160,48 +156,8 @@ sub new { return $self; } -# readers - -sub name { $_[0]->{name} } -sub associated_class { $_[0]->{associated_class} } - -sub accessor { $_[0]->{accessor} } -sub reader { $_[0]->{reader} } -sub writer { $_[0]->{writer} } -sub predicate { $_[0]->{predicate} } -sub clearer { $_[0]->{clearer} } -sub handles { $_[0]->{handles} } - -sub _is_metadata { $_[0]->{is} } -sub is_required { $_[0]->{required} } -sub default { $_[0]->{default} } -sub is_lazy { $_[0]->{lazy} } -sub is_lazy_build { $_[0]->{lazy_build} } -sub is_weak_ref { $_[0]->{weak_ref} } -sub init_arg { $_[0]->{init_arg} } -sub type_constraint { $_[0]->{type_constraint} } - -sub trigger { $_[0]->{trigger} } -sub builder { $_[0]->{builder} } -sub should_auto_deref { $_[0]->{auto_deref} } -sub should_coerce { $_[0]->{coerce} } - -# predicates - -sub has_accessor { exists $_[0]->{accessor} } -sub has_reader { exists $_[0]->{reader} } -sub has_writer { exists $_[0]->{writer} } -sub has_predicate { exists $_[0]->{predicate} } -sub has_clearer { exists $_[0]->{clearer} } -sub has_handles { exists $_[0]->{handles} } - -sub has_default { exists $_[0]->{default} } -sub has_type_constraint { exists $_[0]->{type_constraint} } -sub has_trigger { exists $_[0]->{trigger} } -sub has_builder { exists $_[0]->{builder} } - -sub has_read_method { exists $_[0]->{reader} || exists $_[0]->{accessor} } -sub has_write_method { exists $_[0]->{writer} || exists $_[0]->{accessor} } +sub has_read_method { $_[0]->has_reader || $_[0]->has_accessor } +sub has_write_method { $_[0]->has_writer || $_[0]->has_accessor } sub _create_args { # DEPRECATED $_[0]->{_create_args} = $_[1] if @_ > 1; @@ -252,7 +208,7 @@ sub canonicalize_args{ # DEPRECATED return %args; } -sub create { +sub create { # DEPRECATED my ($self, $class, $name, %args) = @_; Carp::cluck("$self->create has been deprecated." @@ -267,15 +223,12 @@ sub _coerce_and_verify { my($self, $value, $instance) = @_; my $type_constraint = $self->{type_constraint}; - - return $value if !$type_constraint; + return $value if !defined $type_constraint; if ($self->should_coerce && $type_constraint->has_coercion) { $value = $type_constraint->coerce($value); } - return $value if $type_constraint->check($value); - $self->verify_against_type_constraint($value); return $value; @@ -285,7 +238,7 @@ sub verify_against_type_constraint { my ($self, $value) = @_; my $type_constraint = $self->{type_constraint}; - return 1 if !$type_constraint;; + return 1 if !$type_constraint; return 1 if $type_constraint->check($value); $self->verify_type_constraint_error($self->name, $value, $type_constraint); @@ -293,7 +246,8 @@ sub verify_against_type_constraint { sub verify_type_constraint_error { my($self, $name, $value, $type) = @_; - $self->throw_error("Attribute ($name) does not pass the type constraint because: " . $type->get_message($value)); + $self->throw_error("Attribute ($name) does not pass the type constraint because: " + . $type->get_message($value)); } sub coerce_constraint { # DEPRECATED @@ -342,11 +296,11 @@ sub get_parent_args { # DEPRECATED } -sub get_read_method { # DEPRECATED - $_[0]->{reader} || $_[0]->{accessor} +sub get_read_method { + $_[0]->reader || $_[0]->accessor } -sub get_write_method { # DEPRECATED - $_[0]->{writer} || $_[0]->{accessor} +sub get_write_method { + $_[0]->writer || $_[0]->accessor } sub get_read_method_ref{ @@ -392,6 +346,15 @@ sub _canonicalize_handles { elsif (ref($handles) eq 'ARRAY') { return map { $_ => $_ } @$handles; } + elsif (ref($handles) eq 'Regexp') { + my $class_or_role = ($self->{isa} || $self->{does}) + || $self->throw_error("Cannot delegate methods based on a Regexp without a type constraint (isa)"); + + my $meta = Mouse::Meta::Class->initialize("$class_or_role"); # "" for stringify + return map { $_ => $_ } + grep { $_ ne 'meta' && !Mouse::Object->can($_) && $_ =~ $handles } + $meta->isa('Mouse::Meta::Class') ? $meta->get_all_method_names : $meta->get_method_list; + } else { $self->throw_error("Unable to canonicalize the 'handles' option with $handles"); } @@ -459,6 +422,10 @@ __END__ Mouse::Meta::Attribute - The Mouse attribute metaclass +=head1 VERSION + +This document describes Mouse version 0.40 + =head1 METHODS =head2 C<< new(%options) -> Mouse::Meta::Attribute >> @@ -582,13 +549,13 @@ on success, otherwise Ces. Creates a new attribute in the owner class, inheriting options from parent classes. Accessors and helper methods are installed. Some error checking is done. -=head2 C<< get_read_method_ref >> - -=head2 C<< get_write_method_ref >> - -Returns the subroutine reference of a method suitable for reading or -writing the attribute's value in the associated class. These methods -always return a subroutine reference, regardless of whether or not the +=head2 C<< get_read_method_ref >> + +=head2 C<< get_write_method_ref >> + +Returns the subroutine reference of a method suitable for reading or +writing the attribute's value in the associated class. These methods +always return a subroutine reference, regardless of whether or not the attribute is read- or write-only. =head1 SEE ALSO