package Catalyst::Component;
use Moose;
-use MooseX::ClassAttribute;
+use Class::MOP;
+use Class::MOP::Object;
use Catalyst::Utils;
+use Class::C3::Adopt::NEXT;
+use MRO::Compat;
+use mro 'c3';
+use Scalar::Util qw/blessed/;
-has _config => (
- is => 'rw',
- isa => 'HashRef',
- required => 1,
- default => sub { {} }
- );
-
-class_has _plugins => ( is => 'rw' );
+with 'MooseX::Emulate::Class::Accessor::Fast';
+with 'Catalyst::ClassData';
=head1 NAME
my ( $self, $c ) = @_;
$c->response->output( $self->{foo} );
}
-
+
1;
# Methods can be a request step
=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
=cut
-#to do: are we switching to moose-style key => value constructors from
-# catalyst-style {key => value} constructors ?
-
-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 $merged = $self->merge_config_hashes( $self->config, $arguments );
- $orig->( $self, $merged );
-};
+
+ my $args = $self->merge_config_hashes( $self->config, $arguments );
+
+ return $args;
+}
sub COMPONENT {
my ( $self, $c ) = @_;
# Temporary fix, some components does not pass context to constructor
my $arguments = ( ref( $_[-1] ) eq 'HASH' ) ? $_[-1] : {};
-
- #Moose TODO: I don't think I fully grok NEXT. is this here for MI or something?
- # how can we have a next here? this -is- the base class....
- 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);
}
-#Moose TODO: I have no fucking clue what's going on here (groditi)
sub config {
my $self = shift;
- my $config_sub = $self->can('_config');
- my $config = $self->$config_sub();
- #my $config = $self->_config;
+ my $config = $self->_config || {};
if (@_) {
my $newconfig = { %{@_ > 1 ? {@_} : $_[0]} };
$self->_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.
+ # work in a subclass.
+ my $class = blessed($self) || $self;
+ my $meta = Class::MOP::get_metaclass_by_name($class);
+ unless ($meta->has_package_symbol('$_config')) {
- $self->_config( $config );
-
- if ((my $config_sub_now = $self->can('_config')) ne $config_sub) {
-
- #this is retarded. if we want a new ref we could do: { %$config }
$config = $self->merge_config_hashes( $config, {} );
- $self->$config_sub_now( $config );
+ $self->_config( $config );
}
}
return $config;
. " did not override Catalyst::Component::process" );
}
+no Moose;
+
+__PACKAGE__->meta->make_immutable;
1;
__END__
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
=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, $hashref )
=head2 ACCEPT_CONTEXT($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.
L<Catalyst>, L<Catalyst::Model>, L<Catalyst::View>, L<Catalyst::Controller>.
-=head1 AUTHOR
+=head1 AUTHORS
-Sebastian Riedel, C<sri@cpan.org>
-Marcus Ramberg, C<mramberg@cpan.org>
-Matt S Trout, C<mst@shadowcatsystems.co.uk>
+Catalyst Contributors, see Catalyst.pm
=head1 COPYRIGHT