-#!/usr/bin/env perl
package Mouse::TypeRegistry;
use strict;
use warnings;
use Carp ();
-use Mouse::Util qw/blessed looks_like_number openhandle/;
+use Scalar::Util qw/blessed looks_like_number openhandle/;
-my $SUBTYPE = +{};
-my $COERCE = +{};
+my %SUBTYPE;
+my %COERCE;
+my %COERCE_KEYS;
#find_type_constraint register_type_constraint
sub import {
my $optimized_constraints_base;
{
no warnings 'uninitialized';
- $SUBTYPE = {
+ %SUBTYPE = (
Any => sub { 1 },
Item => sub { 1 },
Bool => sub {
},
Object => sub { blessed($_) && blessed($_) ne 'Regexp' },
- };
+ );
- sub optimized_constraints { $SUBTYPE }
- my @SUBTYPE_KEYS = keys %{ $SUBTYPE };
+ sub optimized_constraints { \%SUBTYPE }
+ my @SUBTYPE_KEYS = keys %SUBTYPE;
sub list_all_builtin_type_constraints { @SUBTYPE_KEYS }
}
sub _subtype {
my $pkg = caller(0);
my($name, %conf) = @_;
- if (my $type = $SUBTYPE->{$name}) {
+ if (my $type = $SUBTYPE{$name}) {
Carp::croak "The type constraint '$name' has already been created, cannot be created again in $pkg";
};
- my $as = $conf{as};
- my $stuff = $conf{where} || optimized_constraints()->{$as};
-
- $SUBTYPE->{$name} = $stuff;
+ my $stuff = $conf{where} || do { $SUBTYPE{delete $conf{as} || 'Any' } };
+ my $as = $conf{as} || '';
+ if ($as = $SUBTYPE{$as}) {
+ $SUBTYPE{$name} = sub { $as->($_) && $stuff->($_) };
+ } else {
+ $SUBTYPE{$name} = $stuff;
+ }
}
sub _coerce {
my($name, %conf) = @_;
Carp::croak "Cannot find type '$name', perhaps you forgot to load it."
- unless optimized_constraints()->{$name};
+ unless $SUBTYPE{$name};
- my $subtypes = optimized_constraints();
- $COERCE->{$name} ||= {};
+ unless ($COERCE{$name}) {
+ $COERCE{$name} = {};
+ $COERCE_KEYS{$name} = [];
+ }
while (my($type, $code) = each %conf) {
Carp::croak "A coercion action already exists for '$type'"
- if $COERCE->{$name}->{$type};
+ if $COERCE{$name}->{$type};
Carp::croak "Could not find the type constraint ($type) to coerce from"
- unless $subtypes->{$type};
+ unless $SUBTYPE{$type};
- $COERCE->{$name}->{$type} = $code;
+ push @{ $COERCE_KEYS{$name} }, $type;
+ $COERCE{$name}->{$type} = $code;
}
}
my $pkg = caller(0);
my($name, $conf) = @_;
my $class = $conf->{class};
+ Mouse::load_class($class);
_subtype(
- $name => where => sub {
- defined $_ && ref($_) eq $class;
- }
+ $name => where => sub { $_->isa($class) }
);
}
sub typecast_constraints {
my($class, $pkg, $type_constraint, $types, $value) = @_;
- my $optimized_constraints = optimized_constraints();
+ local $_;
for my $type (ref($types) eq 'ARRAY' ? @{ $types } : ( $types )) {
- next unless $COERCE->{$type};
-
- for my $coerce_type (keys %{ $COERCE->{$type} }) {
- local $_ = $value;
- if ($optimized_constraints->{$coerce_type}->()) {
- local $_ = $value;
- local $_ = $COERCE->{$type}->{$coerce_type}->();
- return $_ if $type_constraint->();
- }
+ next unless $COERCE{$type};
+ for my $coerce_type (@{ $COERCE_KEYS{$type}}) {
+ $_ = $value;
+ next unless $SUBTYPE{$coerce_type}->();
+ $_ = $value;
+ $_ = $COERCE{$type}->{$coerce_type}->();
+ return $_ if $type_constraint->();
}
}
return $value;