use overload '""' => sub { shift->name }, # stringify to tc name
fallback => 1;
-use Sub::Name 'subname';
use Carp 'confess';
-use Scalar::Util 'blessed';
+use Scalar::Util qw(blessed refaddr);
-our $VERSION = '0.10';
+our $VERSION = '0.13';
our $AUTHORITY = 'cpan:STEVAN';
__PACKAGE__->meta->add_attribute('name' => (reader => 'name'));
predicate => 'has_hand_optimized_type_constraint',
));
+sub parents {
+ my $self;
+ $self->parent;
+}
+
# private accessors
__PACKAGE__->meta->add_attribute('compiled_type_constraint' => (
}
sub coerce { ((shift)->coercion || confess "Cannot coerce without a type coercion")->coerce(@_) }
-sub check { $_[0]->_compiled_type_constraint->($_[1]) }
+sub check { $_[0]->_compiled_type_constraint->($_[1]) ? 1 : undef }
sub validate {
my ($self, $value) = @_;
if ($self->_compiled_type_constraint->($value)) {
return undef;
}
else {
- if ($self->has_message) {
- local $_ = $value;
- return $self->message->($value);
- }
- else {
- return "Validation failed for '" . $self->name . "' failed";
- }
+ $self->get_message($value);
}
}
+sub get_message {
+ my ($self, $value) = @_;
+ $value = (defined $value ? overload::StrVal($value) : 'undef');
+ if (my $msg = $self->message) {
+ local $_ = $value;
+ return $msg->($value);
+ }
+ else {
+ return "Validation failed for '" . $self->name . "' failed with value $value";
+ }
+}
+
## type predicates ...
+sub equals {
+ my ( $self, $type_or_name ) = @_;
+
+ my $other = Moose::Util::TypeConstraints::find_type_constraint($type_or_name);
+
+ return 1 if refaddr($self) == refaddr($other);
+
+ if ( $self->has_hand_optimized_type_constraint and $other->has_hand_optimized_type_constraint ) {
+ return 1 if $self->hand_optimized_type_constraint == $other->hand_optimized_type_constraint;
+ }
+
+ return unless $self->constraint == $other->constraint;
+
+ if ( $self->has_parent ) {
+ return unless $other->has_parent;
+ return unless $self->parent->equals( $other->parent );
+ } else {
+ return if $other->has_parent;
+ }
+
+ return 1;
+}
+
sub is_a_type_of {
- my ($self, $type_name) = @_;
- ($self->name eq $type_name || $self->is_subtype_of($type_name));
+ my ($self, $type_or_name) = @_;
+
+ my $type = Moose::Util::TypeConstraints::find_type_constraint($type_or_name);
+
+ ($self->equals($type) || $self->is_subtype_of($type));
}
sub is_subtype_of {
- my ($self, $type_name) = @_;
+ my ($self, $type_or_name) = @_;
+
+ my $type = Moose::Util::TypeConstraints::find_type_constraint($type_or_name);
+
my $current = $self;
+
while (my $parent = $current->parent) {
- return 1 if $parent->name eq $type_name;
+ return 1 if $parent->equals($type);
$current = $parent;
}
+
return 0;
}
my $type_constraint = $self->hand_optimized_type_constraint;
- return sub {
- confess unless ref $type_constraint;
- return undef unless $type_constraint->($_[0]);
- return 1;
- };
+ confess unless ref $type_constraint;
+
+ return $type_constraint;
}
sub _compile_subtype {
# then we compile them to run without
# having to recurse as we did before
- return subname $self->name => sub {
- local $_ = $_[0];
+ return Class::MOP::subname($self->name => sub {
+ local $_ = $_[0];
foreach my $parent (@parents) {
return undef unless $parent->($_[0]);
}
- return undef unless $check->($_[0]);
- 1;
- };
+ return undef unless $check->($_[0]);
+ 1;
+ });
}
sub _compile_type {
my ($self, $check) = @_;
- return subname $self->name => sub {
- local $_ = $_[0];
- return undef unless $check->($_[0]);
- 1;
- };
+ return Class::MOP::subname($self->name => sub {
+ local $_ = $_[0];
+ return undef unless $check->($_[0]);
+ 1;
+ });
}
## other utils ...
## this should get deprecated actually ...
-sub union { die "DEPRECATED" }
+sub union { Carp::croak "DEPRECATED" }
1;
=item B<new>
-=item B<is_a_type_of ($type_name)>
+=item B<equals ($type_name_or_object)>
+
+=item B<is_a_type_of ($type_name_or_object)>
This checks the current type name, and if it does not match,
checks if it is a subtype of it.
-=item B<is_subtype_of ($type_name)>
+=item B<is_subtype_of ($type_name_or_object)>
=item B<compile_type_constraint>
=item B<has_parent>
+=item B<parents>
+
=item B<constraint>
=item B<has_message>
=item B<message>
+=item B<get_message ($value)>
+
=item B<has_coercion>
=item B<coercion>
=head1 COPYRIGHT AND LICENSE
-Copyright 2006, 2007 by Infinity Interactive, Inc.
+Copyright 2006-2008 by Infinity Interactive, Inc.
L<http://www.iinteractive.com>