package Mouse::Role;
-use strict;
-use warnings;
+use Mouse::Exporter; # enables strict and warnings
-use Exporter;
+our $VERSION = '0.57';
-use Carp 'confess';
-use Scalar::Util 'blessed';
+use Carp qw(confess);
+use Scalar::Util qw(blessed);
-use Mouse::Util qw(load_class get_code_package not_supported);
+use Mouse::Util qw(not_supported);
+use Mouse::Meta::Role;
use Mouse ();
-our @ISA = qw(Exporter);
+Mouse::Exporter->setup_import_methods(
+ as_is => [qw(
+ extends with
+ has
+ before after around
+ override super
+ augment inner
+
+ requires excludes
+ ),
+ \&Scalar::Util::blessed,
+ \&Carp::confess,
+ ],
+);
-our @EXPORT = qw(
- extends with
- has
- before after around
- override super
- augment inner
- requires excludes
+sub extends {
+ Carp::croak "Roles do not support 'extends'";
+}
- blessed confess
-);
+sub with {
+ my $meta = Mouse::Meta::Role->initialize(scalar caller);
+ Mouse::Util::apply_all_roles($meta->name, @_);
+ return;
+}
-our %is_removable = map{ $_ => undef } @EXPORT;
-delete $is_removable{confess};
-delete $is_removable{blessed};
+sub has {
+ my $meta = Mouse::Meta::Role->initialize(scalar caller);
+ my $name = shift;
+
+ $meta->throw_error(q{Usage: has 'name' => ( key => value, ... )})
+ if @_ % 2; # odd number of arguments
+
+ if(ref $name){ # has [qw(foo bar)] => (...)
+ for (@{$name}){
+ $meta->add_attribute($_ => @_);
+ }
+ }
+ else{ # has foo => (...)
+ $meta->add_attribute($name => @_);
+ }
+ return;
+}
sub before {
my $meta = Mouse::Meta::Role->initialize(scalar caller);
-
my $code = pop;
- for (@_) {
- $meta->add_before_method_modifier($_ => $code);
+ for my $name($meta->_collect_methods(@_)) {
+ $meta->add_before_method_modifier($name => $code);
}
+ return;
}
sub after {
my $meta = Mouse::Meta::Role->initialize(scalar caller);
-
my $code = pop;
- for (@_) {
- $meta->add_after_method_modifier($_ => $code);
+ for my $name($meta->_collect_methods(@_)) {
+ $meta->add_after_method_modifier($name => $code);
}
+ return;
}
sub around {
my $meta = Mouse::Meta::Role->initialize(scalar caller);
-
my $code = pop;
- for (@_) {
- $meta->add_around_method_modifier($_ => $code);
+ for my $name($meta->_collect_methods(@_)) {
+ $meta->add_around_method_modifier($name => $code);
}
+ return;
}
sub super {
- return unless $Mouse::SUPER_BODY;
+ return if !defined $Mouse::SUPER_BODY;
$Mouse::SUPER_BODY->(@Mouse::SUPER_ARGS);
}
sub override {
- my $classname = caller;
- my $meta = Mouse::Meta::Role->initialize($classname);
-
- my $name = shift;
- my $code = shift;
- my $fullname = "${classname}::${name}";
-
- defined &$fullname
- && $meta->throw_error("Cannot add an override of method '$fullname' "
- . "because there is a local version of '$fullname'");
-
- $meta->add_override_method_modifier($name => sub {
- local $Mouse::SUPER_PACKAGE = shift;
- local $Mouse::SUPER_BODY = shift;
- local @Mouse::SUPER_ARGS = @_;
-
- $code->(@_);
- });
+ # my($name, $code) = @_;
+ Mouse::Meta::Role->initialize(scalar caller)->add_override_method_modifier(@_);
+ return;
}
# We keep the same errors messages as Moose::Role emits, here.
Carp::croak "Roles cannot support 'augment'";
}
-sub has {
- my $meta = Mouse::Meta::Role->initialize(scalar caller);
- my $name = shift;
-
- $meta->add_attribute($_ => @_) for ref($name) ? @{$name} : $name;
-}
-
-sub extends {
- Carp::croak "Roles do not support 'extends'"
-}
-
-sub with {
- my $meta = Mouse::Meta::Role->initialize(scalar caller);
- Mouse::Util::apply_all_roles($meta->name, @_);
-}
-
sub requires {
my $meta = Mouse::Meta::Role->initialize(scalar caller);
$meta->throw_error("Must specify at least one method") unless @_;
$meta->add_required_methods(@_);
+ return;
}
sub excludes {
not_supported;
}
-sub import {
- my $class = shift;
+sub init_meta{
+ shift;
+ my %args = @_;
- strict->import;
- warnings->import;
+ my $class = $args{for_class}
+ or Carp::confess("Cannot call init_meta without specifying a for_class");
- my $caller = caller;
+ my $metaclass = $args{metaclass} || 'Mouse::Meta::Role';
- # we should never export to main
- if ($caller eq 'main') {
- warn qq{$class does not export its sugar to the 'main' package.\n};
- return;
- }
+ my $meta = $metaclass->initialize($class);
- Mouse::Meta::Role->initialize($caller)->add_method(meta => sub {
- return Mouse::Meta::Role->initialize(ref($_[0]) || $_[0]);
+ $meta->add_method(meta => sub{
+ $metaclass->initialize(ref($_[0]) || $_[0]);
});
- Mouse::Role->export_to_level(1, @_);
-}
-
-sub unimport {
- my $caller = caller;
+ # make a role type for each Mouse role
+ Mouse::Util::TypeConstraints::role_type($class)
+ unless Mouse::Util::TypeConstraints::find_type_constraint($class);
- my $stash = do{
- no strict 'refs';
- \%{$caller . '::'}
- };
-
- for my $keyword (@EXPORT) {
- my $code;
- if(exists $is_removable{$keyword}
- && ($code = $caller->can($keyword))
- && get_code_package($code) eq __PACKAGE__){
-
- delete $stash->{$keyword};
- }
- }
- return;
+ return $meta;
}
1;
Mouse::Role - The Mouse Role
+=head1 VERSION
+
+This document describes Mouse version 0.57
+
=head1 SYNOPSIS
package MyRole;
Returns this role's metaclass instance.
-=head2 C<< before (method|methods) -> CodeRef >>
+=head2 C<< before (method|methods|regexp) -> CodeRef >>
-Sets up a B<before> method modifier. See L<Moose/before> or
-L<Class::Method::Modifiers/before>.
+Sets up a B<before> method modifier. See L<Moose/before>.
-=head2 C<< after (method|methods) => CodeRef >>
+=head2 C<< after (method|methods|regexp) => CodeRef >>
-Sets up an B<after> method modifier. See L<Moose/after> or
-L<Class::Method::Modifiers/after>.
+Sets up an B<after> method modifier. See L<Moose/after>.
-=head2 C<< around (method|methods) => CodeRef >>
+=head2 C<< around (method|methods|regexp) => CodeRef >>
-Sets up an B<around> method modifier. See L<Moose/around> or
-L<Class::Method::Modifiers/around>.
+Sets up an B<around> method modifier. See L<Moose/around>.
=head2 C<super>