X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?p=gitmo%2FMouse.git;a=blobdiff_plain;f=lib%2FMouse%2FObject.pm;h=804f46156e88452c987b8e00a79a9f00db6de17e;hp=4af0f3957d5d6f1f5342c90a21e61e831bfdd909;hb=f671555230c6928a7834a9c6be047649cd0c4f5b;hpb=f89acace2fa0fd5e6b8c4ac40ab1794f1ca62887 diff --git a/lib/Mouse/Object.pm b/lib/Mouse/Object.pm index 4af0f39..804f461 100644 --- a/lib/Mouse/Object.pm +++ b/lib/Mouse/Object.pm @@ -1,22 +1,37 @@ -#!/usr/bin/env perl package Mouse::Object; use strict; use warnings; -use MRO::Compat; -use Scalar::Util qw/blessed weaken/; +use Scalar::Util 'weaken'; use Carp 'confess'; sub new { my $class = shift; - my %args = @_; + + my $args = $class->BUILDARGS(@_); + my $instance = bless {}, $class; - for my $attribute (values %{ $class->meta->get_attribute_map }) { - my $key = $attribute->init_arg; - my $default; + for my $attribute ($class->meta->compute_all_applicable_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; + $attribute->verify_type_constraint($args->{$from}) + if $attribute->has_type_constraint; + + $instance->{$key} = $args->{$from}; + + weaken($instance->{$key}) + if ref($instance->{$key}) && $attribute->is_weak_ref; - if (!exists($args{$key})) { + if ($attribute->has_trigger) { + $attribute->trigger->($instance, $args->{$from}, $attribute); + } + } + else { if ($attribute->has_default || $attribute->has_builder) { unless ($attribute->is_lazy) { my $default = $attribute->default; @@ -24,16 +39,18 @@ sub new { my $value = $attribute->has_builder ? $instance->$builder : ref($default) eq 'CODE' - ? $default->() + ? $default->($instance) : $default; + $value = $attribute->coerce_constraint($value) + if $attribute->should_coerce; $attribute->verify_type_constraint($value) if $attribute->has_type_constraint; $instance->{$key} = $value; weaken($instance->{$key}) - if $attribute->weak_ref; + if ref($instance->{$key}) && $attribute->is_weak_ref; } } else { @@ -42,25 +59,28 @@ sub new { } } } + } - if (exists($args{$key})) { - $attribute->verify_type_constraint($args{$key}) - if $attribute->has_type_constraint; + $instance->BUILDALL($args); - $instance->{$key} = $args{$key}; + return $instance; +} - weaken($instance->{$key}) - if $attribute->weak_ref; +sub BUILDARGS { + my $class = shift; - if ($attribute->has_trigger) { - $attribute->trigger->($instance, $args{$key}, $attribute); - } + if (scalar @_ == 1) { + if (defined $_[0]) { + (ref($_[0]) eq 'HASH') + || confess "Single parameters to new() must be a HASH ref"; + return {%{$_[0]}}; + } else { + return {}; } } - - $instance->BUILDALL(\%args); - - return $instance; + else { + return {@_}; + } } sub DESTROY { shift->DEMOLISHALL } @@ -71,9 +91,9 @@ sub BUILDALL { # short circuit return unless $self->can('BUILD'); - no strict 'refs'; - - for my $class ($self->meta->linearized_isa) { + for my $class (reverse $self->meta->linearized_isa) { + no strict 'refs'; + no warnings 'once'; my $code = *{ $class . '::BUILD' }{CODE} or next; $code->($self, @_); @@ -119,6 +139,11 @@ end of L. You may put any business logic initialization in BUILD methods. You don't need to redispatch or return any specific value. +=head2 BUILDARGS + +Lets you override the arguments that C takes. Return a hashref of +parameters. + =head2 DEMOLISHALL Calls L on each class in the class hierarchy. This is called at