use warnings;
use Scalar::Util 'blessed';
-use Carp 'confess';
-use Sub::Name 'subname';
+use Carp 'confess', 'croak';
+use Data::OptList;
use Sub::Exporter;
-our $VERSION = '0.07';
+our $VERSION = '0.52';
our $AUTHORITY = 'cpan:STEVAN';
-use Moose ();
+use Moose ();
+use Moose::Util ();
use Moose::Meta::Role;
use Moose::Util::TypeConstraints;
return $METAS{$role} if exists $METAS{$role};
# make a subtype for each Moose class
- subtype $role
- => as 'Role'
- => where { $_->does($role) }
- => optimize_as { blessed($_[0]) && $_[0]->can('does') && $_[0]->does($role) }
- unless find_type_constraint($role);
+ role_type $role unless find_type_constraint($role);
my $meta;
if ($role->can('meta')) {
my %exports = (
extends => sub {
my $meta = _find_meta();
- return subname 'Moose::Role::extends' => sub {
- confess "Moose::Role does not currently support 'extends'"
- };
+ return Class::MOP::subname('Moose::Role::extends' => sub {
+ croak "Roles do not currently support 'extends'"
+ });
},
with => sub {
my $meta = _find_meta();
- return subname 'Moose::Role::with' => sub (@) {
- my (@roles) = @_;
- confess "Must specify at least one role" unless @roles;
- Class::MOP::load_class($_) for @roles;
- ($_->can('meta') && $_->meta->isa('Moose::Meta::Role'))
- || confess "You can only consume roles, $_ is not a Moose role"
- foreach @roles;
- if (scalar @roles == 1) {
- $roles[0]->meta->apply($meta);
- }
- else {
- Moose::Meta::Role->combine(
- map { $_->meta } @roles
- )->apply($meta);
- }
- };
+ return Class::MOP::subname('Moose::Role::with' => sub (@) {
+ Moose::Util::apply_all_roles($meta, @_)
+ });
},
requires => sub {
my $meta = _find_meta();
- return subname 'Moose::Role::requires' => sub (@) {
- confess "Must specify at least one method" unless @_;
+ return Class::MOP::subname('Moose::Role::requires' => sub (@) {
+ croak "Must specify at least one method" unless @_;
$meta->add_required_methods(@_);
- };
+ });
},
excludes => sub {
my $meta = _find_meta();
- return subname 'Moose::Role::excludes' => sub (@) {
- confess "Must specify at least one role" unless @_;
+ return Class::MOP::subname('Moose::Role::excludes' => sub (@) {
+ croak "Must specify at least one role" unless @_;
$meta->add_excluded_roles(@_);
- };
+ });
},
has => sub {
my $meta = _find_meta();
- return subname 'Moose::Role::has' => sub ($;%) {
- my ($name, %options) = @_;
- $meta->add_attribute($name, %options)
- };
+ return Class::MOP::subname('Moose::Role::has' => sub ($;%) {
+ my $name = shift;
+ croak 'Usage: has \'name\' => ( key => value, ... )' if @_ == 1;
+ my %options = @_;
+ my $attrs = ( ref($name) eq 'ARRAY' ) ? $name : [ ($name) ];
+ $meta->add_attribute( $_, %options ) for @$attrs;
+ });
},
before => sub {
my $meta = _find_meta();
- return subname 'Moose::Role::before' => sub (@&) {
+ return Class::MOP::subname('Moose::Role::before' => sub (@&) {
my $code = pop @_;
- $meta->add_before_method_modifier($_, $code) for @_;
- };
+ do {
+ croak "Moose::Role do not currently support "
+ . ref($_)
+ . " references for before method modifiers"
+ if ref $_;
+ $meta->add_before_method_modifier($_, $code)
+ } for @_;
+ });
},
after => sub {
my $meta = _find_meta();
- return subname 'Moose::Role::after' => sub (@&) {
+ return Class::MOP::subname('Moose::Role::after' => sub (@&) {
my $code = pop @_;
- $meta->add_after_method_modifier($_, $code) for @_;
- };
+ do {
+ croak "Moose::Role do not currently support "
+ . ref($_)
+ . " references for after method modifiers"
+ if ref $_;
+ $meta->add_after_method_modifier($_, $code)
+ } for @_;
+ });
},
around => sub {
my $meta = _find_meta();
- return subname 'Moose::Role::around' => sub (@&) {
+ return Class::MOP::subname('Moose::Role::around' => sub (@&) {
my $code = pop @_;
- $meta->add_around_method_modifier($_, $code) for @_;
- };
+ do {
+ croak "Moose::Role do not currently support "
+ . ref($_)
+ . " references for around method modifiers"
+ if ref $_;
+ $meta->add_around_method_modifier($_, $code)
+ } for @_;
+ });
},
+ # see Moose.pm for discussion
super => sub {
- {
- no strict 'refs';
- $Moose::SUPER_SLOT{$CALLER} = \*{"${CALLER}::super"};
- }
- my $meta = _find_meta();
- return subname 'Moose::Role::super' => sub {};
+ return Class::MOP::subname('Moose::Role::super' => sub {
+ return unless $Moose::SUPER_BODY; $Moose::SUPER_BODY->(@Moose::SUPER_ARGS)
+ });
},
override => sub {
my $meta = _find_meta();
- return subname 'Moose::Role::override' => sub ($&) {
+ return Class::MOP::subname('Moose::Role::override' => sub ($&) {
my ($name, $code) = @_;
$meta->add_override_method_modifier($name, $code);
- };
+ });
},
inner => sub {
my $meta = _find_meta();
- return subname 'Moose::Role::inner' => sub {
- confess "Moose::Role cannot support 'inner'";
- };
+ return Class::MOP::subname('Moose::Role::inner' => sub {
+ croak "Moose::Role cannot support 'inner'";
+ });
},
augment => sub {
my $meta = _find_meta();
- return subname 'Moose::Role::augment' => sub {
- confess "Moose::Role cannot support 'augment'";
- };
+ return Class::MOP::subname('Moose::Role::augment' => sub {
+ croak "Moose::Role cannot support 'augment'";
+ });
},
confess => sub {
return \&Carp::confess;
&& defined $_[1]->{into_level} ? caller( $_[1]->{into_level} )
: caller();
+ # this works because both pragmas set $^H (see perldoc perlvar)
+ # which affects the current compilation - i.e. the file who use'd
+ # us - which is why we don't need to do anything special to make
+ # it affect that file rather than this one (which is already compiled)
strict->import;
warnings->import;
goto $exporter;
};
+ sub unimport {
+ no strict 'refs';
+ my $class = Moose::_get_caller(@_);
+
+ # loop through the exports ...
+ foreach my $name ( keys %exports ) {
+
+ # if we find one ...
+ if ( defined &{ $class . '::' . $name } ) {
+ my $keyword = \&{ $class . '::' . $name };
+
+ # make sure it is from Moose::Role
+ my ($pkg_name) = Class::MOP::get_code_info($keyword);
+ next if $pkg_name ne 'Moose::Role';
+
+ # and if it is from Moose::Role then undef the slot
+ delete ${ $class . '::' }{$name};
+ }
+ }
+ }
}
1;
=back
+=head2 B<unimport>
+
+Moose::Role offers a way to remove the keywords it exports, through the
+C<unimport> method. You simply have to say C<no Moose::Role> at the bottom of
+your code for this to work.
+
=head1 CAVEATS
Role support has only a few caveats:
=head1 COPYRIGHT AND LICENSE
-Copyright 2006, 2007 by Infinity Interactive, Inc.
+Copyright 2006-2008 by Infinity Interactive, Inc.
L<http://www.iinteractive.com>
projects / gitmo/Moose.git / blobdiff