use Sub::Exporter;
use Scalar::Util 'blessed';
-use Carp 'confess';
-use Class::MOP 0.56;
+use Class::MOP 0.60;
-our $VERSION = '0.55_03';
+our $VERSION = '0.72';
$VERSION = eval $VERSION;
our $AUTHORITY = 'cpan:STEVAN';
resolve_metatrait_alias
resolve_metaclass_alias
add_method_modifier
+ english_list
];
Sub::Exporter::setup_exporter({
sub apply_all_roles {
my $applicant = shift;
- confess "Must specify at least one role to apply to $applicant" unless @_;
+ unless (@_) {
+ require Moose;
+ Moose->throw_error("Must specify at least one role to apply to $applicant");
+ }
my $roles = Data::OptList::mkopt( [@_] );
Class::MOP::load_class( $role_spec->[0] );
}
- ( $_->[0]->can('meta') && $_->[0]->meta->isa('Moose::Meta::Role') )
- || confess "You can only consume roles, "
- . $_->[0]
- . " is not a Moose role"
- foreach @$roles;
+ foreach my $role (@$roles) {
+ unless ( $role->[0]->can('meta')
+ && $role->[0]->meta->isa('Moose::Meta::Role') ) {
+
+ require Moose;
+ Moose->throw_error( "You can only consume roles, "
+ . $role->[0]
+ . " is not a Moose role" );
+ }
+ }
if ( scalar @$roles == 1 ) {
my ( $role, $params ) = @{ $roles->[0] };
}
sub resolve_metatrait_alias {
- resolve_metaclass_alias( @_, trait => 1 );
+ return resolve_metaclass_alias( @_, trait => 1 );
}
-sub resolve_metaclass_alias {
- my ( $type, $metaclass_name, %options ) = @_;
+{
+ my %cache;
- if ( my $resolved = eval {
- my $possible_full_name = 'Moose::Meta::' . $type . '::Custom::' . ( $options{trait} ? "Trait::" : "" ) . $metaclass_name;
+ sub resolve_metaclass_alias {
+ my ( $type, $metaclass_name, %options ) = @_;
- Class::MOP::load_class($possible_full_name);
+ my $cache_key = $type . q{ } . ( $options{trait} ? '-Trait' : '' );
+ return $cache{$cache_key}{$metaclass_name}
+ if $cache{$cache_key}{$metaclass_name};
- $possible_full_name->can('register_implementation')
- ? $possible_full_name->register_implementation
- : $possible_full_name;
- } ) {
- return $resolved;
- } else {
- Class::MOP::load_class($metaclass_name);
- return $metaclass_name;
+ my $possible_full_name
+ = 'Moose::Meta::'
+ . $type
+ . '::Custom::'
+ . ( $options{trait} ? "Trait::" : "" )
+ . $metaclass_name;
+
+ my $loaded_class = Class::MOP::load_first_existing_class(
+ $possible_full_name,
+ $metaclass_name
+ );
+
+ return $cache{$cache_key}{$metaclass_name}
+ = $loaded_class->can('register_implementation')
+ ? $loaded_class->register_implementation
+ : $loaded_class;
}
}
}
}
+sub english_list {
+ my @items = sort @_;
+
+ return $items[0] if @items == 1;
+ return "$items[0] and $items[1]" if @items == 2;
+
+ my $tail = pop @items;
+ my $list = join ', ', @items;
+ $list .= ', and ' . $tail;
+
+ return $list;
+}
+
1;
__END__
is used internally by Moose itself. The goal is to provide useful functions
that for both Moose users and Moose extenders (MooseX:: authors).
-This is a relatively new addition to the Moose toolchest, so ideas,
+This is a relatively new addition to the Moose tool chest, so ideas,
suggestions and contributions to this collection are most welcome.
See the L<TODO> section below for a list of ideas for possible functions
to write.
metaclass or a metarole) and a list of C<@roles> this will do the
right thing to apply the C<@roles> to the C<$applicant>. This is
actually used internally by both L<Moose> and L<Moose::Role>, and the
-C<@roles> will be pre-processed through L<Data::OptList::mkopt>
+C<@roles> will be preprocessed through L<Data::OptList::mkopt>
to allow for the additional arguments to be passed.
=item B<get_all_attribute_values($meta, $instance)>
=item B<add_method_modifier ($class_or_obj, $modifier_name, $args)>
+=item B<english_list(@items)>
+
+Given a list of scalars, turns them into a proper list in English
+("one and two", "one, two, three, and four"). This is used to help us
+make nicer error messages.
+
=back
=head1 TODO
=head1 COPYRIGHT AND LICENSE
-Copyright 2007-2008 by Infinity Interactive, Inc.
+Copyright 2007-2009 by Infinity Interactive, Inc.
L<http://www.iinteractive.com>