X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?p=gitmo%2FMouse.git;a=blobdiff_plain;f=lib%2FMouse%2FMeta%2FTypeConstraint.pm;h=dc34532bf3e8af47dc4bfe5d67bc452e3239e476;hp=2adadc43d54e4cbbf13eb432c54af987d4b8236f;hb=785080642e584152fc8d7e87d77f11c7483d3f14;hpb=4c0fe06fa87e7c2c4ed1666e77ed52ae020f19d7 diff --git a/lib/Mouse/Meta/TypeConstraint.pm b/lib/Mouse/Meta/TypeConstraint.pm index 2adadc4..dc34532 100644 --- a/lib/Mouse/Meta/TypeConstraint.pm +++ b/lib/Mouse/Meta/TypeConstraint.pm @@ -24,13 +24,6 @@ sub new { my $check = delete $args{optimized}; - if($args{_compiled_type_constraint}){ - Carp::cluck("'_compiled_type_constraint' has been deprecated, use 'optimized' instead") - if Mouse::Util::_MOUSE_VERBOSE; - - $check = $args{_compiled_type_constraint}; - } - if($check){ $args{hand_optimized_type_constraint} = $check; $args{compiled_type_constraint} = $check; @@ -47,25 +40,7 @@ sub new { my $self = bless \%args, $class; $self->compile_type_constraint() if !$self->{hand_optimized_type_constraint}; - if($self->{type_constraints}){ # Union - my @coercions; - foreach my $type(@{$self->{type_constraints}}){ - if($type->has_coercion){ - push @coercions, $type; - } - } - if(@coercions){ - $self->{_compiled_type_coercion} = sub { - my($thing) = @_; - foreach my $type(@coercions){ - my $value = $type->coerce($thing); - return $value if $self->check($value); - } - return $thing; - }; - } - } - + $self->_compile_union_type_coercion() if $self->{type_constraints}; return $self; } @@ -88,6 +63,15 @@ sub create_child_type{ ); } +sub name; +sub parent; +sub message; +sub has_coercion; +sub _compiled_type_constraint; +sub _compiled_type_coercion; + +sub compile_type_constraint; + sub _add_type_coercions{ my $self = shift; @@ -113,16 +97,47 @@ sub _add_type_coercions{ Carp::confess("Cannot add additional type coercions to Union types"); } else{ + $self->_compile_type_coercion(); + } + return; +} + +sub _compile_type_coercion { + my($self) = @_; + + my @coercions = @{$self->{_coercion_map}}; + + $self->{_compiled_type_coercion} = sub { + my($thing) = @_; + foreach my $pair (@coercions) { + #my ($constraint, $converter) = @$pair; + if ($pair->[0]->check($thing)) { + local $_ = $thing; + return $pair->[1]->($thing); + } + } + return $thing; + }; + return; +} + +sub _compile_union_type_coercion { + my($self) = @_; + + my @coercions; + foreach my $type(@{$self->{type_constraints}}){ + if($type->has_coercion){ + push @coercions, $type; + } + } + if(@coercions){ $self->{_compiled_type_coercion} = sub { - my($thing) = @_; - foreach my $pair (@{$coercions}) { - #my ($constraint, $converter) = @$pair; - if ($pair->[0]->check($thing)) { - local $_ = $thing; - return $pair->[1]->($thing); - } - } - return $thing; + my($thing) = @_; + foreach my $type(@coercions){ + my $value = $type->coerce($thing); + return $value if $self->check($value); + } + return $thing; }; } return; @@ -136,10 +151,14 @@ sub check { sub coerce { my $self = shift; + my $coercion = $self->_compiled_type_coercion; + if(!$coercion){ + Carp::confess("Cannot coerce without a type coercion"); + } + return $_[0] if $self->_compiled_type_constraint->(@_); - my $coercion = $self->_compiled_type_coercion; - return $coercion ? $coercion->(@_) : $_[0]; + return $coercion->(@_); } sub get_message { @@ -192,15 +211,24 @@ sub parameterize{ || Carp::confess("The $name constraint cannot be used, because $param doesn't subtype from a parameterizable type"); return Mouse::Meta::TypeConstraint->new( - name => $name, - parent => $self, - parameter => $param, - constraint => $generator->($param), # must be 'constraint', not 'optimized' + name => $name, + parent => $self, + type_parameter => $param, + constraint => $generator->($param), # must be 'constraint', not 'optimized' - type => 'Parameterized', + type => 'Parameterized', ); } +sub assert_valid { + my ($self, $value) = @_; + + if(!$self->_compiled_type_constraint->($value)){ + Carp::confess($self->get_message($value)); + } + return 1; +} + 1; __END__ @@ -210,7 +238,7 @@ Mouse::Meta::TypeConstraint - The Mouse Type Constraint metaclass =head1 VERSION -This document describes Mouse version 0.41 +This document describes Mouse version 0.50_01 =head1 DESCRIPTION