X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FCatalyst%2FIOC%2FContainer.pm;h=0635964ebecbaa9423a7de036796cc77de80b93d;hb=1a5e7517716258d7ecfaf65a7b3a35234577b121;hp=051f758518a1686b7b153676bb5825aad03d4962;hpb=642eba832e13709cafb0da9b6a1f00216fd45503;p=catagits%2FCatalyst-Runtime.git diff --git a/lib/Catalyst/IOC/Container.pm b/lib/Catalyst/IOC/Container.pm index 051f758..0635964 100644 --- a/lib/Catalyst/IOC/Container.pm +++ b/lib/Catalyst/IOC/Container.pm @@ -4,10 +4,12 @@ use Moose; use Config::Any; use Data::Visitor::Callback; use Catalyst::Utils (); +use List::Util qw(first); use Devel::InnerPackage (); use Hash::Util qw/lock_hash/; use MooseX::Types::LoadableClass qw/ LoadableClass /; use Moose::Util; +use Scalar::Util qw/refaddr/; use Catalyst::IOC::BlockInjection; use Catalyst::IOC::ConstructorInjection; use Module::Pluggable::Object (); @@ -82,6 +84,16 @@ sub BUILD { my $config = $self->resolve( service => 'config' ); + # don't force default_component to be undef if the config wasn't set + my @default_view = $config->{default_view} + ? ( default_component => $config->{default_view} ) + : ( ) + ; + my @default_model = $config->{default_model} + ? ( default_component => $config->{default_model} ) + : ( ) + ; + $self->add_sub_container( $self->build_component_subcontainer ); @@ -91,16 +103,20 @@ sub BUILD { ); $self->add_sub_container( - $self->build_view_subcontainer( - default_component => $config->{default_view}, - ) + $self->build_view_subcontainer( @default_view ) ); $self->add_sub_container( - $self->build_model_subcontainer( - default_component => $config->{default_model}, - ) + $self->build_model_subcontainer( @default_model ) ); + + { + no strict 'refs'; + no warnings 'once'; + my $class = ref $self; + ${ $class . '::customise_container' }->($self) + if ${ $class . '::customise_container' }; + } } sub build_model_subcontainer { @@ -135,6 +151,45 @@ sub build_component_subcontainer { ); } +sub build_home_service { + my $self = shift; + + return Bread::Board::BlockInjection->new( + lifecycle => 'Singleton', + name => 'home', + block => sub { + my $self = shift; + my $class = $self->param('application_name'); + my $home; + + if ( my $env = Catalyst::Utils::env_value( $class, 'HOME' ) ) { + $home = $env; + } + + $home ||= Catalyst::Utils::home($class); + + return $home; + }, + dependencies => [ depends_on('application_name') ], + ); +} + +# FIXME: very ambiguous - maybe root_dir? +sub build_root_service { + my $self = shift; + + return Bread::Board::BlockInjection->new( + lifecycle => 'Singleton', + name => 'root', + block => sub { + my $self = shift; + + return Path::Class::Dir->new( $self->param('home') )->subdir('root'); + }, + dependencies => [ depends_on('home') ], + ); +} + sub build_application_name_service { my $self = shift; @@ -441,6 +496,21 @@ sub setup_components { my %comps = map { $_ => 1 } @comps; my $deprecatedcatalyst_component_names = 0; + my $app_locate_components_addr = refaddr( + $class->can('locate_components') + ); + my $cat_locate_components_addr = refaddr( + Catalyst->can('locate_components') + ); + + if ($app_locate_components_addr != $cat_locate_components_addr) { + # FIXME - why not just say: @comps = $class->locate_components() ? + $class->log->warn(qq{You have overridden locate_components. That } . + qq{no longer works. Please refer to the documentation to achieve } . + qq{similar results.\n} + ); + } + for my $component ( @comps ) { # We pass ignore_loaded here so that overlay files for (e.g.) @@ -472,9 +542,6 @@ sub setup_components { unless $comps{$component}; } } - - $self->get_sub_container('model')->make_single_default; - $self->get_sub_container('view')->make_single_default; } sub _fix_syntax { @@ -578,7 +645,7 @@ sub find_component { } # one last search for things like $c->comp(qr/::M::/) - @result = $self->find_component_regexp( + @result = $self->_find_component_regexp( $component, @args ) if !@result and ref $component; @@ -586,54 +653,41 @@ sub find_component { return @result; } -sub find_component_regexp { - my ( $self, $component, @args ) = @_; +sub _find_component_regexp { + my ( $self, $component, $ctx, @args ) = @_; my @result; - my @components = grep { m{$component} } keys %{ $self->get_all_components }; + my @components = grep { m{$component} } keys %{ $self->get_all_components($ctx) }; for (@components) { my ($type, $name) = _get_component_type_name($_); push @result, $self->get_component_from_sub_container( - $type, $name, @args + $type, $name, $ctx, @args ) if $type; } return @result; } -# FIXME - t0m, how do you feel about this name? -# also, do you think I should draw it here, or just return the data structure? -sub get_components_names_types { - my ( $self ) = @_; - my @comps_names_types; - - for my $sub_container_name (qw/model view controller/) { - my $sub_container = $self->get_sub_container($sub_container_name); - for my $service ( $sub_container->get_service_list ) { - my $comp = $sub_container->resolve(service => $service); - my $compname = ref $comp || $comp; - my $type = ref $comp ? 'instance' : 'class'; - push @comps_names_types, [ $compname, $type ]; - } - } - - return @comps_names_types; -} - sub get_all_components { - my $self = shift; + my ($self, $class) = @_; my %components; - my $container = $self->get_sub_container('component'); + # FIXME - if we're getting from these containers, we need to either: + # - pass 'ctx' and 'accept_context_args' OR + # - make these params optional + # big problem when setting up the dispatcher - this method is called + # as $container->get_all_components('MyApp'). What to do with Request + # life cycles? + foreach my $type (qw/model view controller /) { + my $container = $self->get_sub_container($type); - for my $component ($container->get_service_list) { - my $comp = $container->resolve( - service => $component - ); - my $comp_name = ref $comp || $comp; - $components{$comp_name} = $comp; + for my $component ($container->get_service_list) { + my $comp_service = $container->get_service($component); + + $components{$comp_service->catalyst_component_name} = $comp_service->get(ctx => $class); + } } return lock_hash %components; @@ -645,27 +699,47 @@ sub add_component { return unless $type; + # The 'component' sub-container will create the object, and store it's + # instance, which, by default, will live throughout the application. + # The model/view/controller sub-containers only reference the instance + # held in the aforementioned sub-container, and execute the ACCEPT_CONTEXT + # sub every time they are called, when it exists. + my $instance_container = $self->get_sub_container('component'); + my $accept_context_container = $self->get_sub_container($type); + + # Custom containers might have added the service already + # We don't want to override that + return if $accept_context_container->has_service( $name ); + my $component_service_name = "${type}_${name}"; - $self->get_sub_container('component')->add_service( + $instance_container->add_service( Catalyst::IOC::ConstructorInjection->new( name => $component_service_name, + catalyst_component_name => $component, class => $component, lifecycle => 'Singleton', dependencies => [ depends_on( '/application_name' ), - depends_on( '/config' ), ], - ) + ), ); - - $self->get_sub_container($type)->add_service( + # XXX - FIXME - We have to explicitly build the service here, + # causing the COMPONENT method to be called early here, as otherwise + # if the component method defines other classes (e.g. the + # ACCEPT_CONTEXT injection Model::DBIC::Schema does) + # then they won't be found by Devel::InnerPackage + # see also t/aggregate/unit_core_component_loading.t + $instance_container->get_service($component_service_name)->get; + + $accept_context_container->add_service( Catalyst::IOC::BlockInjection->new( name => $name, + catalyst_component_name => $component, dependencies => [ depends_on( "/component/$component_service_name" ), ], - block => sub { return shift->param($component_service_name) }, + block => sub { shift->param($component_service_name) }, ) ); } @@ -675,21 +749,16 @@ sub add_component { # or replaced by something already existing there? sub _get_component_type_name { my ( $component ) = @_; + my $result; - my @parts = split /::/, $component; - - while (my $type = shift @parts) { - return ('controller', join '::', @parts) - if $type =~ /^(c|controller)$/i; - - return ('model', join '::', @parts) - if $type =~ /^(m|model)$/i; - - return ('view', join '::', @parts) - if $type =~ /^(v|view)$/i; + while ( !$result and (my $index = index $component, '::') > 0 ) { + my $type = lc substr $component, 0, $index; + $component = substr $component, $index + 2; + $result = first { $type eq $_ or $type eq substr($_, 0, 1) } + qw{ model view controller }; } - return (undef, $component); + return ($result, $component); } sub expand_component_module { @@ -713,21 +782,30 @@ Catalyst::Container - IOC for Catalyst components =head1 METHODS -=head1 Building Containers +=head1 Methods for Building Containers + +=head2 build_component_subcontainer + +Container that stores all components, i.e. all models, views and controllers +together. Each service is an instance of the actual component, and by default +it lives while the application is running. Retrieving components from this +sub-container will instantiate the component, if it hasn't been instantiated +already, but will not execute ACCEPT_CONTEXT. =head2 build_model_subcontainer -Container that stores all models. +Container that stores references for all models that are inside the components +sub-container. Retrieving a model triggers ACCEPT_CONTEXT, if it exists. =head2 build_view_subcontainer -Container that stores all views. +Same as L, but for views. =head2 build_controller_subcontainer -Container that stores all controllers. +Same as L, but for controllers. -=head1 Building Services +=head1 Methods for Building Services =head2 build_application_name_service @@ -761,12 +839,14 @@ C<__DATA__> as a config value, for example) The parameter list is split on comma (C<,>). You can override this method to do your own string munging, or you can define your own macros in -Cconfig-E{ 'Plugin::ConfigLoader' }-E{ substitutions }>. +C<< config( 'Plugin::ConfigLoader' => { substitutions => { ... } } ) >>. Example: - MyApp->config->{ 'Plugin::ConfigLoader' }->{ substitutions } = { - baz => sub { my $c = shift; qux( @_ ); } - } + MyApp->config( 'Plugin::ConfigLoader' => { + substitutions => { + baz => sub { my $c = shift; qux( @_ ); }, + }, + }); The above will respond to C<__baz(x,y)__> in config strings. @@ -776,7 +856,7 @@ Config::Any's available config file extensions (e.g. xml, json, pl, etc). =head2 build_prefix_service -The prefix, based on the application name, that will be used to lookup the +The prefix, based on the application name, that will be used to look-up the config files (which will be in the format $prefix.$extension). If the app is MyApp::Foo, the prefix will be myapp_foo. @@ -853,40 +933,30 @@ to L. =head2 get_component_from_sub_container($sub_container, $name, $c, @args) -Looks for components in a given subcontainer (such as controller, model or +Looks for components in a given sub-container (such as controller, model or view), and returns the searched component. If $name is undef, it returns the default component (such as default_view, if $sub_container is 'view'). If $name is a regexp, it returns an array of matching components. Otherwise, it looks for the component with name $name. -=head2 get_components_names_types - -Gets all components from all containers and returns them as an array of -arrayrefs containing the component name and the component type (i.e., whether -it's an instance or a class). - =head2 get_all_components Fetches all the components, in each of the sub_containers model, view and -controller, and returns a readonly hash. The keys are the class names, and +controller, and returns a read-only hash. The keys are the class names, and the values are the blessed objects. This is what is returned by $c->components. =head2 add_component -Adds a component to the appropriate subcontainer. The subcontainer is guessed +Adds a component to the appropriate sub-container. The sub-container is guessed by the component name given. =head2 find_component Searches for components in all containers. If $component is the full class -name, the subcontainer is guessed, and it gets the searched component in there. -Otherwise, it looks for a component with that name in all subcontainers. If -$component is a regexp, it calls the method below, find_component_regexp, -and matches all components against that regexp. - -=head2 find_component_regexp - -Finds components that match a given regexp. Used internally, by find_component. +name, the sub-container is guessed, and it gets the searched component in there. +Otherwise, it looks for a component with that name in all sub-containers. If +$component is a regexp it calls _find_component_regexp and matches all +components against that regexp. =head2 expand_component_module @@ -895,6 +965,9 @@ is expected to return a list of component (package) names to be set up. =head2 setup_components +Uses locate_components service to list the components, and adds them to the +appropriate sub-containers, using add_component(). + =head1 AUTHORS Catalyst Contributors, see Catalyst.pm