X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?p=catagits%2FCatalyst-Runtime.git;a=blobdiff_plain;f=lib%2FCatalyst%2FClassData.pm;h=f79149b063d4abcd5678460da8c0fc068c3443be;hp=b4eecbef339d7ba612aafa43ecdbe97d6a2acbea;hb=163b3de6693e8c44dbe24cfc79cc3cf300610ed8;hpb=76aab9932e14205c81eeb31d811d2a131eede4cf diff --git a/lib/Catalyst/ClassData.pm b/lib/Catalyst/ClassData.pm index b4eecbe..f79149b 100644 --- a/lib/Catalyst/ClassData.pm +++ b/lib/Catalyst/ClassData.pm @@ -1,25 +1,41 @@ package Catalyst::ClassData; use Moose::Role; +use Moose::Meta::Class (); use Class::MOP; -use Scalar::Util 'blessed'; +use Moose::Util (); sub mk_classdata { - my ($class, $attribute) = @_; + my ($class, $attribute, $warn_on_instance) = @_; confess("mk_classdata() is a class method, not an object method") if blessed $class; my $slot = '$'.$attribute; my $accessor = sub { - if(@_ > 1){ - $_[0]->meta->add_package_symbol($slot, \ $_[1]); + my $pkg = ref $_[0] || $_[0]; + my $meta = Moose::Util::find_meta($pkg) + || Moose::Meta::Class->initialize( $pkg ); + if (@_ > 1) { + $meta->namespace->{$attribute} = \$_[1]; return $_[1]; } - foreach my $super ( (blessed $_[0] || $_[0]), $_[0]->meta->linearized_isa ) { - my $meta = Moose::Meta::Class->initialize($super); - if( $meta->has_package_symbol($slot) ){ - return ${ $meta->get_package_symbol($slot) }; + # tighter version of + # if ( $meta->has_package_symbol($slot) ) { + # return ${ $meta->get_package_symbol($slot) }; + # } + no strict 'refs'; + my $v = *{"${pkg}::${attribute}"}{SCALAR}; + if (defined ${$v}) { + return ${$v}; + } else { + foreach my $super ( $meta->linearized_isa ) { + # tighter version of same after + # my $super_meta = Moose::Meta::Class->initialize($super); + my $v = ${"${super}::"}{$attribute} ? *{"${super}::${attribute}"}{SCALAR} : undef; + if (defined ${$v}) { + return ${$v}; + } } } return; @@ -28,10 +44,21 @@ sub mk_classdata { confess("Failed to create accessor: $@ ") unless ref $accessor eq 'CODE'; - my $meta = $class->meta; + my $meta = $class->Class::MOP::Object::meta(); + confess "${class}'s metaclass is not a Class::MOP::Class" + unless $meta->isa('Class::MOP::Class'); + + my $was_immutable = $meta->is_immutable; + my %immutable_options = $meta->immutable_options; + + $meta->make_mutable if $was_immutable; + my $alias = "_${attribute}_accessor"; $meta->add_method($alias, $accessor); $meta->add_method($attribute, $accessor); + + $meta->make_immutable(%immutable_options) if $was_immutable; + $class->$attribute($_[2]) if(@_ > 2); return $accessor; } @@ -39,3 +66,30 @@ sub mk_classdata { 1; __END__ + + +=head1 NAME + +Catalyst::ClassData - Class data accessors + +=head1 METHODS + +=head2 mk_classdata $name, $optional_value + +A moose-safe clone of L that borrows some ideas from +L; + +=head1 AUTHOR + +=begin stopwords + +Guillermo Roditi + +=end stopwords + +=head1 COPYRIGHT + +This library is free software. You can redistribute it and/or modify it under +the same terms as Perl itself. + +=cut