use Mouse::Util qw(does_role not_supported); # enables strict and warnings
use Carp qw(confess);
-use Scalar::Util qw/blessed looks_like_number openhandle/;
+use Scalar::Util ();
use Mouse::Meta::TypeConstraint;
use Mouse::Exporter;
type subtype coerce class_type role_type enum
find_type_constraint
)],
-
- _export_to_main => 1,
);
my %TYPE;
-sub as ($) { (as => $_[0]) }
-sub where (&) { (where => $_[0]) }
-sub message (&) { (message => $_[0]) }
+sub as ($) { (as => $_[0]) }
+sub where (&) { (where => $_[0]) }
+sub message (&) { (message => $_[0]) }
sub optimize_as (&) { (optimize_as => $_[0]) }
sub from { @_ }
Item => undef, # null check
Maybe => undef, # null check
- Bool => sub { $_[0] ? $_[0] eq '1' : 1 },
- Undef => sub { !defined($_[0]) },
- Defined => sub { defined($_[0]) },
- Value => sub { defined($_[0]) && !ref($_[0]) },
- Num => sub { !ref($_[0]) && looks_like_number($_[0]) },
- Int => sub { defined($_[0]) && !ref($_[0]) && $_[0] =~ /^-?[0-9]+$/ },
- Str => sub { defined($_[0]) && !ref($_[0]) },
- Ref => sub { ref($_[0]) },
-
- ScalarRef => sub { ref($_[0]) eq 'SCALAR' },
- ArrayRef => sub { ref($_[0]) eq 'ARRAY' },
- HashRef => sub { ref($_[0]) eq 'HASH' },
- CodeRef => sub { ref($_[0]) eq 'CODE' },
- RegexpRef => sub { ref($_[0]) eq 'Regexp' },
- GlobRef => sub { ref($_[0]) eq 'GLOB' },
-
- FileHandle => sub {
- ref($_[0]) eq 'GLOB' && openhandle($_[0])
- or
- blessed($_[0]) && $_[0]->isa("IO::Handle")
- },
-
- Object => sub { blessed($_[0]) && blessed($_[0]) ne 'Regexp' },
-
- ClassName => sub { Mouse::Util::is_class_loaded($_[0]) },
- RoleName => sub { (Mouse::Util::find_meta($_[0]) || return 0)->isa('Mouse::Meta::Role') },
+ Bool => \&Bool,
+ Undef => \&Undef,
+ Defined => \&Defined,
+ Value => \&Value,
+ Num => \&Num,
+ Int => \&Int,
+ Str => \&Str,
+ Ref => \&Ref,
+
+ ScalarRef => \&ScalarRef,
+ ArrayRef => \&ArrayRef,
+ HashRef => \&HashRef,
+ CodeRef => \&CodeRef,
+ RegexpRef => \&RegexpRef,
+ GlobRef => \&GlobRef,
+
+ FileHandle => \&FileHandle,
+
+ Object => \&Object,
+
+ ClassName => \&ClassName,
+ RoleName => \&RoleName,
);
while (my ($name, $code) = each %builtins) {
}
sub class_type {
- my($name, $conf) = @_;
- if ($conf && $conf->{class}) {
- # No, you're using this wrong
- warn "class_type() should be class_type(ClassName). Perhaps you're looking for subtype $name => as '$conf->{class}'?";
- _create_type 'type', $name => (
- as => $conf->{class},
-
- type => 'Class',
- );
- }
- else {
- _create_type 'type', $name => (
- optimized_as => sub { blessed($_[0]) && $_[0]->isa($name) },
+ my($name, $options) = @_;
+ my $class = $options->{class} || $name;
+ return _create_type 'subtype', $name => (
+ as => 'Object',
+ optimized_as => Mouse::Util::generate_isa_predicate_for($class),
- type => 'Class',
- );
- }
+ type => 'Class',
+ );
}
sub role_type {
- my($name, $conf) = @_;
- my $role = ($conf && $conf->{role}) ? $conf->{role} : $name;
- _create_type 'type', $name => (
- optimized_as => sub { blessed($_[0]) && does_role($_[0], $role) },
+ my($name, $options) = @_;
+ my $role = $options->{role} || $name;
+ return _create_type 'subtype', $name => (
+ as => 'Object',
+ optimized_as => sub { Scalar::Util::blessed($_[0]) && does_role($_[0], $role) },
type => 'Role',
);
return $TYPE{$spec} if exists $TYPE{$spec};
- my $meta = Mouse::Util::get_metaclass_by_name($spec);
+ my $meta = Mouse::Util::get_metaclass_by_name($spec)
+ or return undef;
- if(!$meta){
- return;
- }
-
- my $check;
- my $type;
- if($meta->isa('Mouse::Meta::Role')){
- $check = sub{
- return blessed($_[0]) && $_[0]->does($spec);
- };
- $type = 'Role';
+ if(Mouse::Util::is_a_metarole($meta)){
+ return role_type($spec);
}
else{
- $check = sub{
- return blessed($_[0]) && $_[0]->isa($spec);
- };
- $type = 'Class';
+ return class_type($spec);
}
-
- return $TYPE{$spec} = Mouse::Meta::TypeConstraint->new(
- name => $spec,
- optimized => $check,
-
- type => $type,
- );
}
-$TYPE{ArrayRef}{constraint_generator} = sub {
- my($type_parameter) = @_;
- my $check = $type_parameter->_compiled_type_constraint;
-
- return sub{
- foreach my $value (@{$_}) {
- return undef unless $check->($value);
- }
- return 1;
- }
-};
-$TYPE{HashRef}{constraint_generator} = sub {
- my($type_parameter) = @_;
- my $check = $type_parameter->_compiled_type_constraint;
-
- return sub{
- foreach my $value(values %{$_}){
- return undef unless $check->($value);
- }
- return 1;
- };
-};
-
-# 'Maybe' type accepts 'Any', so it requires parameters
-$TYPE{Maybe}{constraint_generator} = sub {
- my($type_parameter) = @_;
- my $check = $type_parameter->_compiled_type_constraint;
-
- return sub{
- return !defined($_) || $check->($_);
- };
-};
+$TYPE{ArrayRef}{constraint_generator} = \&_parameterize_ArrayRef_for;
+$TYPE{HashRef}{constraint_generator} = \&_parameterize_HashRef_for;
+$TYPE{Maybe}{constraint_generator} = \&_parameterize_Maybe_for;
sub _find_or_create_parameterized_type{
my($base, $param) = @_;
my $name = sprintf '%s[%s]', $base->name, $param->name;
- $TYPE{$name} ||= do{
- my $generator = $base->{constraint_generator};
-
- if(!$generator){
- confess("The $name constraint cannot be used, because $param doesn't subtype from a parameterizable type");
- }
-
- Mouse::Meta::TypeConstraint->new(
- name => $name,
- parent => $base,
- constraint => $generator->($param),
-
- type => 'Parameterized',
- );
- }
+ $TYPE{$name} ||= $base->parameterize($param, $name);
}
+
sub _find_or_create_union_type{
- my @types = sort{ $a cmp $b } map{ $_->{type_constraints} ? @{$_->{type_constraints}} : $_ } @_;
+ my @types = sort map{ $_->{type_constraints} ? @{$_->{type_constraints}} : $_ } @_;
my $name = join '|', @types;
- $TYPE{$name} ||= do{
- return Mouse::Meta::TypeConstraint->new(
- name => $name,
- type_constraints => \@types,
+ $TYPE{$name} ||= Mouse::Meta::TypeConstraint->new(
+ name => $name,
+ type_constraints => \@types,
- type => 'Union',
- );
- };
+ type => 'Union',
+ );
}
# The type parser
sub find_type_constraint {
my($spec) = @_;
- return $spec if blessed($spec) && $spec->isa('Mouse::Meta::TypeConstraint');
+ return $spec if Mouse::Util::is_a_type_constraint($spec);
$spec =~ s/\s+//g;
return $TYPE{$spec};
sub find_or_parse_type_constraint {
my($spec) = @_;
- return $spec if blessed($spec) && $spec->isa('Mouse::Meta::TypeConstraint');
+ return $spec if Mouse::Util::is_a_type_constraint($spec);
$spec =~ s/\s+//g;
return $TYPE{$spec} || do{
}
sub find_or_create_does_type_constraint{
+ # XXX: Moose does not register a new role_type, but Mouse does.
return find_or_parse_type_constraint(@_) || role_type(@_);
}
sub find_or_create_isa_type_constraint {
+ # XXX: Moose does not register a new class_type, but Mouse does.
return find_or_parse_type_constraint(@_) || class_type(@_);
}
1;
-
__END__
=head1 NAME
=head1 VERSION
-This document describes Mouse version 0.39
+This document describes Mouse version 0.42
=head2 SYNOPSIS