use Carp ();
use Mouse::Meta::TypeConstraint;
-use Mouse::Meta::Method::Accessor;
+
+#use Mouse::Meta::Method::Accessor;
+use Mouse::Meta::Method::Delegation;
sub _process_options{
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} = $_[1] if @_ > 1;
Carp::cluck("$self->canonicalize_args has been deprecated."
. "Use \$self->_process_options instead.")
- if _MOUSE_VERBOSE;
+ if Mouse::Util::_MOUSE_VERBOSE;
return %args;
}
-sub create {
+sub create { # DEPRECATED
my ($self, $class, $name, %args) = @_;
Carp::cluck("$self->create has been deprecated."
. "Use \$meta->add_attribute and \$attr->install_accessors instead.")
- if _MOUSE_VERBOSE;
+ if Mouse::Util::_MOUSE_VERBOSE;
# noop
return $self;
my($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 $value;
my ($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, $type_constraint);
sub verify_type_constraint_error {
my($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
my($attribute_class, @traits) = ref($self)->interpolate_class(\%args);
$args{traits} = \@traits if @traits;
- return $attribute_class->new($self->name, %{$self}, %args);
+ # do not inherit the 'handles' attribute
+ foreach my $name(keys %{$self}){
+ if(!exists $args{$name} && $name ne 'handles'){
+ $args{$name} = $self->{$name};
+ }
+ }
+ return $attribute_class->new($self->name, %args);
}
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);
}
sub get_read_method {
- $_[0]->{reader} || $_[0]->{accessor}
+ $_[0]->reader || $_[0]->accessor
}
sub get_write_method {
- $_[0]->{writer} || $_[0]->{accessor}
+ $_[0]->writer || $_[0]->accessor
}
sub get_read_method_ref{
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 : $meta->get_method_list;
+ grep { !Mouse::Object->can($_) && $_ =~ $handles }
+ Mouse::Util::is_a_metarole($meta)
+ ? $meta->get_method_list
+ : $meta->get_all_method_names;
}
else {
$self->throw_error("Unable to canonicalize the 'handles' option with $handles");
}
}
-
sub associate_method{
- my ($attribute, $method) = @_;
+ my ($attribute, $method_name) = @_;
$attribute->{associated_methods}++;
return;
}
-sub accessor_metaclass(){ 'Mouse::Meta::Method::Accessor' }
+
+sub delegation_metaclass() { 'Mouse::Meta::Method::Delegation' }
sub install_accessors{
my($attribute) = @_;
- my $metaclass = $attribute->{associated_class};
+ my $metaclass = $attribute->associated_class;
my $accessor_class = $attribute->accessor_metaclass;
foreach my $type(qw(accessor reader writer predicate clearer)){
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});
}
}
# install delegation
if(exists $attribute->{handles}){
+ my $delegation_class = $attribute->delegation_metaclass;
my %handles = $attribute->_canonicalize_handles($attribute->{handles});
my $reader = $attribute->get_read_method_ref;
while(my($handle_name, $method_to_call) = each %handles){
- my $code = $accessor_class->_generate_delegation($attribute, $metaclass,
+ my $code = $delegation_class->_generate_delegation($attribute, $metaclass,
$reader, $handle_name, $method_to_call);
$metaclass->add_method($handle_name => $code);
- $attribute->associate_method($code);
+ $attribute->associate_method($handle_name);
}
}
Mouse::Meta::Attribute - The Mouse attribute metaclass
+=head1 VERSION
+
+This document describes Mouse version 0.40_08
+
=head1 METHODS
=head2 C<< new(%options) -> Mouse::Meta::Attribute >>
=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<Method> is ignored in Mouse.
+Currently the argument I<MethodName> is ignored in Mouse.
=head2 C<< verify_against_type_constraint(Item) -> TRUE | ERROR >>
projects / gitmo/Mouse.git / blobdiff