Mercurial > pub > Impl
diff Lib/IMPL/Code/AccessorPropertyImplementor.pm @ 278:4ddb27ff4a0b
core refactoring
author | cin |
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date | Mon, 04 Feb 2013 02:10:37 +0400 |
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children |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Lib/IMPL/Code/AccessorPropertyImplementor.pm Mon Feb 04 02:10:37 2013 +0400 @@ -0,0 +1,84 @@ +package IMPL::Code::AccessorPropertyImplementor; +use strict; + +use IMPL::lang qw(:hash); +use IMPL::require { + Exception => '-IMPL::Exception', + ArgException => '-IMPL::InvalidArgumentException', + AccessorPropertyInfo => '-IMPL::Class::AccessorPropertyInfo' +}; + +require IMPL::Class::AccessorPropertyInfo; +require IMPL::Object::List; + +use parent qw(IMPL::Code::BasePropertyImplementor); + +use constant { + CodeGetAccessor => 'return $this->get($field);', + CodeSetAccessor => 'return $this->set($field,@_);', + CodeSetListAccessor => + 'my $val = IMPL::Object::List->new( (@_ == 1 and UNIVERSAL::isa($_[0], \'ARRAY\') ) ? $_[0] : [@_] ); + $this->set($field,$val); + return( wantarray ? @{ $val } : $val );', + CodeGetListAccessor => + 'my $val = $this->get($field); + $this->set($field,$val = IMPL::Object::List->new()) unless $val; + return( wantarray ? @{ $val } : $val );' +}; + +sub factoryParams { qw($class $name $get $set $validator $field) }; + +my %cache; + +sub Implement { + my $self = shift; + + my $spec = {}; + + map hashApply($spec,$self->NormalizeSpecification($_)), @_; + + my $name = $spec->{name} + or ArgException->new(name => "The name of the property is required"); + my $class = $spec->{class} + or ArgException->new(name => "The onwer class must be specified"); + + my $id = $self->CreateFactoryId($spec); + my $factory = $cache{$id}; + unless($factory) { + $factory = $self->CreateFactory($spec); + $cache{$id} = $factory; + } + + my $field = $name; + + my $accessor = $factory->($class, $name, $spec->{get}, $spec->{set}, $spec->{validator}, $field); + + my $args = { + getter => $spec->{get} ? $accessor : undef, + setter => $spec->{set} ? $accessor : undef, + ownetSet => $spec->{ownerSet} ? 1 : 0, + isList => $spec->{isList} ? 1 : 0, + name => $spec->{name}, + class => $spec->{class}, + type => $spec->{type}, + access => $spec->{access}, + fieldName => $field + }; + + delete @$spec{qw(get set ownerSet isList name class type access field direct)}; + + $args->{attributes} = $spec; + + my $propInfo = AccessorPropertyInfo->new($args); + + { + no strict 'refs'; + *{"${class}::$name"} = $accessor; + } + + $class->SetMeta($propInfo); + + return $propInfo; +} + +1; \ No newline at end of file