X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?p=gitmo%2FMouse.git;a=blobdiff_plain;f=lib%2FMouse%2FObject.pm;h=8aa22b571fd4529ba032b5fc2e49b4d3378a77d2;hp=217b7dc1fcf8d44c814a1a4dab9a4b2eff762987;hb=8e64d0fa5da64639074f77d3da9b2f7aa20cce93;hpb=0eaf53c27a3ef11c0a515a91df229d10bf29b58d diff --git a/lib/Mouse/Object.pm b/lib/Mouse/Object.pm index 217b7dc..8aa22b5 100644 --- a/lib/Mouse/Object.pm +++ b/lib/Mouse/Object.pm @@ -2,65 +2,17 @@ package Mouse::Object; use strict; use warnings; -use Scalar::Util 'weaken'; -use Carp 'confess'; +use Mouse::Util; sub new { my $class = shift; - my $args = $class->BUILDARGS(@_); + $class->throw_error('Cannot call new() on an instance') if ref $class; - my $instance = bless {}, $class; - - for my $attribute ($class->meta->get_all_attributes) { - my $from = $attribute->init_arg; - my $key = $attribute->name; - - if (defined($from) && exists($args->{$from})) { - $args->{$from} = $attribute->coerce_constraint($args->{$from}) - if $attribute->should_coerce; - $attribute->verify_against_type_constraint($args->{$from}); - - $instance->{$key} = $args->{$from}; - - weaken($instance->{$key}) - if ref($instance->{$key}) && $attribute->is_weak_ref; - - if ($attribute->has_trigger) { - $attribute->trigger->($instance, $args->{$from}); - } - } - else { - if ($attribute->has_default || $attribute->has_builder) { - unless ($attribute->is_lazy) { - my $default = $attribute->default; - my $builder = $attribute->builder; - my $value = $attribute->has_builder - ? $instance->$builder - : ref($default) eq 'CODE' - ? $default->($instance) - : $default; - - $value = $attribute->coerce_constraint($value) - if $attribute->should_coerce; - $attribute->verify_against_type_constraint($value); - - $instance->{$key} = $value; - - weaken($instance->{$key}) - if ref($instance->{$key}) && $attribute->is_weak_ref; - } - } - else { - if ($attribute->is_required) { - confess "Attribute (".$attribute->name.") is required"; - } - } - } - } + my $args = $class->BUILDARGS(@_); + my $instance = Mouse::Meta::Class->initialize($class)->new_object($args); $instance->BUILDALL($args); - return $instance; } @@ -69,7 +21,7 @@ sub BUILDARGS { if (scalar @_ == 1) { (ref($_[0]) eq 'HASH') - || confess "Single parameters to new() must be a HASH ref"; + || $class->meta->throw_error("Single parameters to new() must be a HASH ref"); return {%{$_[0]}}; } else { @@ -92,6 +44,7 @@ sub BUILDALL { or next; $code->($self, @_); } + return; } sub DEMOLISHALL { @@ -100,34 +53,35 @@ sub DEMOLISHALL { # short circuit return unless $self->can('DEMOLISH'); - no strict 'refs'; + # We cannot count on being able to retrieve a previously made + # metaclass, _or_ being able to make a new one during global + # destruction. However, we should still be able to use mro at + # that time (at least tests suggest so ;) - for my $class ($self->meta->linearized_isa) { - my $code = *{ $class . '::DEMOLISH' }{CODE} - or next; - $code->($self, @_); + foreach my $class (@{ Mouse::Util::get_linear_isa(ref $self) }) { + my $demolish = do{ no strict 'refs'; *{"${class}::DEMOLISH"}{CODE} }; + $self->$demolish() + if defined $demolish; } + return; } sub dump { - my $self = shift; - require Data::Dumper; - local $Data::Dumper::Maxdepth = shift if @_; - Data::Dumper::Dumper $self; + my($self, $maxdepth) = @_; + + require 'Data/Dumper.pm'; # we don't want to create its namespace + my $dd = Data::Dumper->new([$self]); + $dd->Maxdepth(defined($maxdepth) ? $maxdepth : 1); + return $dd->Dump(); } sub does { my ($self, $role_name) = @_; (defined $role_name) - || confess "You must supply a role name to does()"; - my $meta = $self->meta; - foreach my $class ($meta->linearized_isa) { - my $m = $meta->initialize($class); - return 1 - if $m->can('does_role') && $m->does_role($role_name); - } - return 0; + || $self->meta->throw_error("You must supply a role name to does()"); + + return $self->meta->does_role($role_name); }; 1;