-#!/usr/bin/env perl
package Mouse::Util;
use strict;
use warnings;
-use base 'Exporter';
-
-our %dependencies = (
- 'MRO::Compat' => {
- 'get_linear_isa' => {
- loaded => \&mro::get_linear_isa,
- not_loaded => do {
- # this recurses so it isn't pretty
- my $code;
- $code = sub {
- no strict 'refs';
-
- my $classname = shift;
-
- my @lin = ($classname);
- my %stored;
- foreach my $parent (@{"$classname\::ISA"}) {
- my $plin = $code->($parent);
- foreach (@$plin) {
- next if exists $stored{$_};
- push(@lin, $_);
- $stored{$_} = 1;
- }
- }
- return \@lin;
- }
- },
- },
- },
+use base qw/Exporter/;
+use Carp;
+
+our @EXPORT_OK = qw(
+ get_linear_isa
);
+our %EXPORT_TAGS = (
+ all => \@EXPORT_OK,
+);
+
+BEGIN {
+ my $impl;
+ if ($] >= 5.009_005) {
+ $impl = \&mro::get_linear_isa;
+ } else {
+ my $loaded = do {
+ local $SIG{__DIE__} = 'DEFAULT';
+ eval "require MRO::Compat; 1";
+ };
+ if ($loaded) {
+ $impl = \&mro::get_linear_isa;
+ } else {
+# VVVVV CODE TAKEN FROM MRO::COMPAT VVVVV
+ my $code; # this recurses so it isn't pretty
+ $code = sub {
+ no strict 'refs';
-our @EXPORT_OK = map { keys %$_ } values %dependencies;
+ my $classname = shift;
-for my $module_name (keys %dependencies) {
- (my $file = "$module_name.pm") =~ s{::}{/}g;
+ my @lin = ($classname);
+ my %stored;
+ foreach my $parent (@{"$classname\::ISA"}) {
+ my $plin = $code->($parent);
+ foreach (@$plin) {
+ next if exists $stored{$_};
+ push(@lin, $_);
+ $stored{$_} = 1;
+ }
+ }
+ return \@lin;
+ };
+# ^^^^^ CODE TAKEN FROM MRO::COMPAT ^^^^^
+ $impl = $code;
+ }
+ }
- my $loaded = do {
- local $SIG{__DIE__} = 'DEFAULT';
- eval "require '$file'; 1";
- };
+ no strict 'refs';
+ *{ __PACKAGE__ . '::get_linear_isa'} = $impl;
+}
- for my $method_name (keys %{ $dependencies{ $module_name } }) {
- my $producer = $dependencies{$module_name}{$method_name};
- my $implementation;
+sub apply_all_roles {
+ my $meta = Mouse::Meta::Class->initialize(shift);
- if (ref($producer) eq 'HASH') {
- $implementation = $loaded
- ? $producer->{loaded}
- : $producer->{not_loaded};
- }
- else {
- $implementation = $loaded
- ? $module_name->can($method_name)
- : $producer;
+ my @roles;
+ my $max = scalar(@_);
+ for (my $i = 0; $i < $max ; $i++) {
+ if ($i + 1 < $max && ref($_[$i + 1])) {
+ push @roles, [ $_[$i++] => $_[$i] ];
+ } else {
+ push @roles, [ $_[$i] => {} ];
}
+ }
- no strict 'refs';
- *{ __PACKAGE__ . '::' . $method_name } = $implementation;
+ foreach my $role_spec (@roles) {
+ Mouse::load_class( $role_spec->[0] );
}
+
+ ( $_->[0]->can('meta') && $_->[0]->meta->isa('Mouse::Meta::Role') )
+ || croak("You can only consume roles, "
+ . $_->[0]
+ . " is not a Moose role")
+ foreach @roles;
+
+ if ( scalar @roles == 1 ) {
+ my ( $role, $params ) = @{ $roles[0] };
+ $role->meta->apply( $meta, ( defined $params ? %$params : () ) );
+ }
+ else {
+ Mouse::Meta::Role->combine_apply($meta, @roles);
+ }
+
}
1;
+__END__
+
+=head1 NAME
+
+Mouse::Util - features, with or without their dependencies
+
+=head1 IMPLEMENTATIONS FOR
+
+=head2 L<MRO::Compat>
+
+=head3 get_linear_isa
+
+=cut
+