Add built local::lib

[catagits/Gitalist.git] / local-lib5 / lib / perl5 / Moose / Meta / TypeConstraint / Registry.pm

diff --git a/local-lib5/lib/perl5/Moose/Meta/TypeConstraint/Registry.pm b/local-lib5/lib/perl5/Moose/Meta/TypeConstraint/Registry.pm
new file mode 100644 (file)
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--- /dev/null
+++ b/local-lib5/lib/perl5/Moose/Meta/TypeConstraint/Registry.pm
@@ -0,0 +1,164 @@
+
+package Moose::Meta::TypeConstraint::Registry;
+
+use strict;
+use warnings;
+use metaclass;
+
+use Scalar::Util 'blessed';
+
+our $VERSION   = '0.93';
+$VERSION = eval $VERSION;
+our $AUTHORITY = 'cpan:STEVAN';
+
+use base 'Class::MOP::Object';
+
+__PACKAGE__->meta->add_attribute('parent_registry' => (
+    reader    => 'get_parent_registry',
+    writer    => 'set_parent_registry',
+    predicate => 'has_parent_registry',
+));
+
+__PACKAGE__->meta->add_attribute('type_constraints' => (
+    reader  => 'type_constraints',
+    default => sub { {} }
+));
+
+sub new {
+    my $class = shift;
+    my $self  = $class->_new(@_);
+    return $self;
+}
+
+sub has_type_constraint {
+    my ($self, $type_name) = @_;
+    ($type_name and exists $self->type_constraints->{$type_name}) ? 1 : 0
+}
+
+sub get_type_constraint {
+    my ($self, $type_name) = @_;
+    return unless defined $type_name;
+    $self->type_constraints->{$type_name}
+}
+
+sub add_type_constraint {
+    my ($self, $type) = @_;
+
+    unless ( $type && blessed $type && $type->isa('Moose::Meta::TypeConstraint') ) {
+        require Moose;
+        Moose->throw_error("No type supplied / type is not a valid type constraint");
+    }
+
+    $self->type_constraints->{$type->name} = $type;
+}
+
+sub find_type_constraint {
+    my ($self, $type_name) = @_;
+    return $self->get_type_constraint($type_name)
+        if $self->has_type_constraint($type_name);
+    return $self->get_parent_registry->find_type_constraint($type_name)
+        if $self->has_parent_registry;
+    return;
+}
+
+1;
+
+__END__
+
+
+=pod
+
+=head1 NAME
+
+Moose::Meta::TypeConstraint::Registry - registry for type constraints
+
+=head1 DESCRIPTION
+
+This class is a registry that maps type constraint names to
+L<Moose::Meta::TypeConstraint> objects.
+
+Currently, it is only used internally by
+L<Moose::Util::TypeConstraints>, which creates a single global
+registry.
+
+=head1 INHERITANCE
+
+C<Moose::Meta::TypeConstraint::Registry> is a subclass of
+L<Class::MOP::Object>.
+
+=head1 METHODS
+
+=over 4
+
+=item B<< Moose::Meta::TypeConstraint::Registry->new(%options) >>
+
+This creates a new registry object based on the provided C<%options>:
+
+=over 8
+
+=item * parent_registry
+
+This is an optional L<Moose::Meta::TypeConstraint::Registry>
+object.
+
+=item * type_constraints
+
+This is hash reference of type names to type objects. This is
+optional. Constraints can be added to the registry after it is
+created.
+
+=back
+
+=item B<< $registry->get_parent_registry >>
+
+Returns the registry's parent registry, if it has one.
+
+=item B<< $registry->has_parent_registry >>
+
+Returns true if the registry has a parent.
+
+=item B<< $registry->set_parent_registry($registry) >>
+
+Sets the parent registry.
+
+=item B<< $registry->get_type_constraint($type_name) >>
+
+This returns the L<Moose::Meta::TypeConstraint> object from the
+registry for the given name, if one exists.
+
+=item B<< $registry->has_type_constraint($type_name) >>
+
+Returns true if the registry has a type of the given name.
+
+=item B<< $registry->add_type_constraint($type) >>
+
+Adds a new L<Moose::Meta::TypeConstraint> object to the registry.
+
+=item B<< $registry->find_type_constraint($type_name) >>
+
+This method looks in the current registry for the named type. If the
+type is not found, then this method will look in the registry's
+parent, if it has one.
+
+=back
+
+=head1 BUGS
+
+All complex software has bugs lurking in it, and this module is no
+exception. If you find a bug please either email me, or add the bug
+to cpan-RT.
+
+=head1 AUTHOR
+
+Stevan Little E<lt>stevan@iinteractive.comE<gt>
+
+=head1 COPYRIGHT AND LICENSE
+
+Copyright 2006-2009 by Infinity Interactive, Inc.
+
+L<http://www.iinteractive.com>
+
+This library is free software; you can redistribute it and/or modify
+it under the same terms as Perl itself.
+
+=cut