use strict;
use warnings;
-use Scalar::Util qw/blessed weaken/;
-use Mouse::Util qw/version authority identifier get_code_info/;
-use Carp 'confess';
+use Mouse::Util qw/get_code_info not_supported load_class/;
+use Scalar::Util qw/blessed/;
+
+
+{
+ my %METACLASS_CACHE;
+
+ # because Mouse doesn't introspect existing classes, we're forced to
+ # only pay attention to other Mouse classes
+ sub _metaclass_cache {
+ my($class, $name) = @_;
+ return $METACLASS_CACHE{$name};
+ }
+
+ sub initialize {
+ my($class, $package_name, @args) = @_;
+
+ ($package_name && !ref($package_name))\r
+ || $class->throw_error("You must pass a package name and it cannot be blessed");\r
+
+ return $METACLASS_CACHE{$package_name}
+ ||= $class->_new(package => $package_name, @args);
+ }
+
+ sub Mouse::class_of{
+ my($class_or_instance) = @_;
+ return undef unless defined $class_or_instance;
+ return $METACLASS_CACHE{ blessed($class_or_instance) || $class_or_instance };
+ }
+
+ # Means of accessing all the metaclasses that have
+ # been initialized thus far
+ sub get_all_metaclasses { %METACLASS_CACHE }
+ sub get_all_metaclass_instances { values %METACLASS_CACHE }
+ sub get_all_metaclass_names { keys %METACLASS_CACHE }
+ sub get_metaclass_by_name { $METACLASS_CACHE{$_[0]} }
+ sub store_metaclass_by_name { $METACLASS_CACHE{$_[0]} = $_[1] }
+ sub weaken_metaclass { weaken($METACLASS_CACHE{$_[0]}) }
+ sub does_metaclass_exist { defined $METACLASS_CACHE{$_[0]} }
+ sub remove_metaclass_by_name { delete $METACLASS_CACHE{$_[0]} }
+
+}
+
+sub meta{ Mouse::Meta::Class->initialize(ref $_[0] || $_[0]) }
+
+sub _new{ Carp::croak("Mouse::Meta::Module is an abstract class") }
sub name { $_[0]->{package} }
sub _method_map{ $_[0]->{methods} }
+sub version { no strict 'refs'; ${shift->name.'::VERSION'} }
+sub authority { no strict 'refs'; ${shift->name.'::AUTHORITY'} }
+sub identifier {
+ my $self = shift;
+ return join '-' => (
+ $self->name,
+ ($self->version || ()),
+ ($self->authority || ()),
+ );
+}
+
+# add_attribute is an abstract method
+
+sub get_attribute_map { $_[0]->{attributes} }
+sub has_attribute { exists $_[0]->{attributes}->{$_[1]} }
+sub get_attribute { $_[0]->{attributes}->{$_[1]} }
+sub get_attribute_list{ keys %{$_[0]->{attributes}} }
+sub remove_attribute { delete $_[0]->{attributes}->{$_[1]} }
+
sub namespace{
my $name = $_[0]->{package};
no strict 'refs';
my($self, $name, $code) = @_;
if(!defined $name){
- confess "You must pass a defined name";
+ $self->throw_error("You must pass a defined name");
}
if(ref($code) ne 'CODE'){
- confess "You must pass a CODE reference";
+ not_supported 'add_method for a method object';
}
$self->_method_map->{$name}++; # Moose stores meta object here.
return $code && $self->_code_is_mine($code);
}
+sub get_method{
+ my($self, $method_name) = @_;
+
+ if($self->has_method($method_name)){
+ my $method_metaclass = $self->method_metaclass;
+ load_class($method_metaclass);
+
+ my $package = $self->name;
+ return $method_metaclass->new(
+ body => $package->can($method_name),
+ name => $method_name,
+ package => $package,
+ );
+ }
+ return undef;
+}
sub get_method_list {\r
my($self) = @_;
return grep { $self->has_method($_) } keys %{ $self->namespace };\r
}
-sub get_attribute_map { $_[0]->{attributes} }
-sub has_attribute { exists $_[0]->{attributes}->{$_[1]} }
-sub get_attribute { $_[0]->{attributes}->{$_[1]} }
-sub get_attribute_list {
- my $self = shift;
- keys %{$self->get_attribute_map};
-}
+sub throw_error{
+ my($class, $message, %args) = @_;
+ local $Carp::CarpLevel = $Carp::CarpLevel + 1 + ($args{depth} || 0);
+ local $Carp::MaxArgNums = 20; # default is 8, usually we use named args which gets messier though\r
+
+ if(exists $args{longmess} && !$args{longmess}){ # intentionaly longmess => 0
+ Carp::croak($message);
+ }
+ else{
+ Carp::confess($message);
+ }
+}
1;