X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FCatalyst%2FComponent.pm;h=80fc8384b39d16427e07a656185387bbe19839de;hb=b354201608d428db344c63dd35de096a62a7a9d3;hp=00ccfdd46e2d45a4e4aef49a04a0b29de850caec;hpb=a7caa492274a184c77ec32af58b2dc6db7295650;p=catagits%2FCatalyst-Runtime.git diff --git a/lib/Catalyst/Component.pm b/lib/Catalyst/Component.pm index 00ccfdd..80fc838 100644 --- a/lib/Catalyst/Component.pm +++ b/lib/Catalyst/Component.pm @@ -1,9 +1,12 @@ package Catalyst::Component; use Moose; -use MooseX::Adopt::Class::Accessor::Fast; +use Class::MOP; +use Class::MOP::Object; use Catalyst::Utils; - +use Class::C3::Adopt::NEXT; +use MRO::Compat; +use mro 'c3'; with 'MooseX::Emulate::Class::Accessor::Fast'; with 'Catalyst::ClassData'; @@ -31,7 +34,7 @@ Catalyst::Component - Catalyst Component Base Class my ( $self, $c ) = @_; $c->response->output( $self->{foo} ); } - + 1; # Methods can be a request step @@ -44,7 +47,7 @@ Catalyst::Component - Catalyst Component Base Class =head1 DESCRIPTION -This is the universal base class for Catalyst components +This is the universal base class for Catalyst components (Model/View/Controller). It provides you with a generic new() for instantiation through Catalyst's @@ -52,46 +55,39 @@ component loader with config() support and a process() method placeholder. =cut -__PACKAGE__->mk_classdata($_) for qw/_config _plugins/; - -around new => sub { - my $orig = shift; - my ( $self, $c ) = @_; +__PACKAGE__->mk_classdata('_plugins'); +__PACKAGE__->mk_classdata('_config'); +sub BUILDARGS { + my ($self) = @_; + # Temporary fix, some components does not pass context to constructor my $arguments = ( ref( $_[-1] ) eq 'HASH' ) ? $_[-1] : {}; my $args = $self->merge_config_hashes( $self->config, $arguments ); - return $self->$orig( $args ); -}; + + return $args; +} sub COMPONENT { my ( $self, $c ) = @_; # Temporary fix, some components does not pass context to constructor my $arguments = ( ref( $_[-1] ) eq 'HASH' ) ? $_[-1] : {}; - $self->new($c, $arguments); - -# if ( my $new = $self->NEXT::COMPONENT( $c, $arguments ) ) { -# return $new; -# } -# else { -# if ( my $new = $self->new( $c, $arguments ) ) { -# return $new; -# } -# else { -# my $class = ref $self || $self; -# my $new = $self->merge_config_hashes( -# $self->config, $arguments ); -# return bless $new, $class; -# } -# } + if( my $next = $self->next::can ){ + my $class = blessed $self || $self; + my ($next_package) = Class::MOP::get_code_info($next); + warn "There is a COMPONENT method resolving after Catalyst::Component in ${next_package}.\n"; + warn "This behavior can no longer be supported, and so your application is probably broken.\n"; + warn "Your linearised isa hierarchy is: " . join(', ', mro::get_linear_isa($class)) . "\n"; + warn "Please see perldoc Catalyst::Upgrading for more information about this issue.\n"; + } + return $self->new($c, $arguments); } sub config { my $self = shift; - my $config_sub = $self->can('_config'); - my $config = $self->$config_sub() || {}; + my $config = $self->_config || {}; if (@_) { my $newconfig = { %{@_ > 1 ? {@_} : $_[0]} }; $self->_config( @@ -100,18 +96,13 @@ sub config { } else { # this is a bit of a kludge, required to make # __PACKAGE__->config->{foo} = 'bar'; - # work in a subclass. Calling the Class::Data::Inheritable setter - # will create a new _config method in the current class if it's - # currently inherited from the superclass. So, the can() call will - # return a different subref in that case and that means we know to - # copy and reset the value stored in the class data. - - $self->_config( $config ); - - if ((my $config_sub_now = $self->can('_config')) ne $config_sub) { + # work in a subclass. + my $class = blessed($self) || $self; + my $meta = Class::MOP::get_metaclass_by_name($class); + unless ($meta->has_package_symbol('$_config')) { $config = $self->merge_config_hashes( $config, {} ); - $self->$config_sub_now( $config ); + $self->_config( $config ); } } return $config; @@ -129,6 +120,9 @@ sub process { . " did not override Catalyst::Component::process" ); } +no Moose; + +__PACKAGE__->meta->make_immutable; 1; __END__ @@ -146,8 +140,8 @@ If this method is present (as it is on all Catalyst::Component subclasses, it is called by Catalyst during setup_components with the application class as $c and any config entry on the application for this component (for example, in the case of MyApp::Controller::Foo this would be -MyApp->config->{'Controller::Foo'}). The arguments are expected to be a -hashref and are merged with the __PACKAGE__->config hashref before calling +MyApp->config->{'Controller::Foo'}). The arguments are expected to be a +hashref and are merged with the __PACKAGE__->config hashref before calling ->new to instantiate the component. =head2 $c->config @@ -156,15 +150,15 @@ hashref and are merged with the __PACKAGE__->config hashref before calling =head2 $c->config($key, $value, ...) -Accessor for this component's config hash. Config values can be set as +Accessor for this component's config hash. Config values can be set as key value pair, or you can specify a hashref. In either case the keys -will be merged with any existing config settings. Each component in +will be merged with any existing config settings. Each component in a Catalyst application has it's own config hash. =head2 $c->process() This is the default method called on a Catalyst component in the dispatcher. -For instance, Views implement this action to render the response body +For instance, Views implement this action to render the response body when you forward to them. The default is an abstract method. =head2 $c->merge_config_hashes( $hashref, $hashref ) @@ -176,7 +170,7 @@ Alias for the method in L. =head2 ACCEPT_CONTEXT($c, @args) -Catalyst components are normally initalized during server startup, either +Catalyst components are normally initialized during server startup, either as a Class or a Instance. However, some components require information about the current request. To do so, they can implement an ACCEPT_CONTEXT method. @@ -190,11 +184,9 @@ calling code in the application rather than the component itself. L, L, L, L. -=head1 AUTHOR +=head1 AUTHORS -Sebastian Riedel, C -Marcus Ramberg, C -Matt S Trout, C +Catalyst Contributors, see Catalyst.pm =head1 COPYRIGHT