use Tree::Simple qw/use_weak_refs/;
use Tree::Simple::Visitor::FindByUID;
use Class::C3::Adopt::NEXT;
+use List::Util qw/first/;
use List::MoreUtils qw/uniq/;
use attributes;
use utf8;
#I imagine that very few of these really need to be class variables. if any.
#maybe we should just make them attributes with a default?
-__PACKAGE__->mk_classdata($_)
- for qw/components arguments dispatcher engine log dispatcher_class
+__PACKAGE__->mk_classdata($_) # XXX FIXME - components remove from here
+ for qw/container components arguments dispatcher engine log dispatcher_class
engine_class context_class request_class response_class stats_class
setup_finished/;
# Remember to update this in Catalyst::Runtime as well!
-our $VERSION = '5.80031';
+our $VERSION = '5.80032';
sub import {
my ( $class, @arguments ) = @_;
return if $caller eq 'main';
my $meta = Moose::Meta::Class->initialize($caller);
- unless ( $caller->isa('Catalyst') ) {
- my @superclasses = ($meta->superclasses, $class, 'Catalyst::Controller');
- $meta->superclasses(@superclasses);
- }
+
+ unless ( $caller->isa('Catalyst') ) { # XXX - Remove!
+ my @superclasses = ($meta->superclasses, $class, 'Catalyst::Controller'); # XXX - Remove!
+ $meta->superclasses(@superclasses); # XXX - Remove!
+ } # XXX - Remove!
+
# Avoid possible C3 issues if 'Moose::Object' is already on RHS of MyApp
$meta->superclasses(grep { $_ ne 'Moose::Object' } $meta->superclasses);
$c->error(0);
}
-sub _comp_search_prefixes {
- my $c = shift;
- return map $c->components->{ $_ }, $c->_comp_names_search_prefixes(@_);
-}
-
-# search components given a name and some prefixes
-sub _comp_names_search_prefixes {
- my ( $c, $name, @prefixes ) = @_;
- my $appclass = ref $c || $c;
- my $filter = "^${appclass}::(" . join( '|', @prefixes ) . ')::';
- $filter = qr/$filter/; # Compile regex now rather than once per loop
-
- # map the original component name to the sub part that we will search against
- my %eligible = map { my $n = $_; $n =~ s{^$appclass\::[^:]+::}{}; $_ => $n; }
- grep { /$filter/ } keys %{ $c->components };
-
- # undef for a name will return all
- return keys %eligible if !defined $name;
-
- my $query = ref $name ? $name : qr/^$name$/i;
- my @result = grep { $eligible{$_} =~ m{$query} } keys %eligible;
-
- return @result if @result;
-
- # if we were given a regexp to search against, we're done.
- return if ref $name;
-
- # skip regexp fallback if configured
- return
- if $appclass->config->{disable_component_resolution_regex_fallback};
-
- # regexp fallback
- $query = qr/$name/i;
- @result = grep { $eligible{ $_ } =~ m{$query} } keys %eligible;
-
- # no results? try against full names
- if( !@result ) {
- @result = grep { m{$query} } keys %eligible;
- }
-
- # don't warn if we didn't find any results, it just might not exist
- if( @result ) {
- # Disgusting hack to work out correct method name
- my $warn_for = lc $prefixes[0];
- my $msg = "Used regexp fallback for \$c->${warn_for}('${name}'), which found '" .
- (join '", "', @result) . "'. Relying on regexp fallback behavior for " .
- "component resolution is unreliable and unsafe.";
- my $short = $result[0];
- # remove the component namespace prefix
- $short =~ s/.*?(Model|Controller|View):://;
- my $shortmess = Carp::shortmess('');
- if ($shortmess =~ m#Catalyst/Plugin#) {
- $msg .= " You probably need to set '$short' instead of '${name}' in this " .
- "plugin's config";
- } elsif ($shortmess =~ m#Catalyst/lib/(View|Controller)#) {
- $msg .= " You probably need to set '$short' instead of '${name}' in this " .
- "component's config";
- } else {
- $msg .= " You probably meant \$c->${warn_for}('$short') instead of \$c->${warn_for}('${name}'), " .
- "but if you really wanted to search, pass in a regexp as the argument " .
- "like so: \$c->${warn_for}(qr/${name}/)";
- }
- $c->log->warn( "${msg}$shortmess" );
- }
-
- return @result;
-}
-
-# Find possible names for a prefix
-sub _comp_names {
- my ( $c, @prefixes ) = @_;
- my $appclass = ref $c || $c;
-
- my $filter = "^${appclass}::(" . join( '|', @prefixes ) . ')::';
-
- my @names = map { s{$filter}{}; $_; }
- $c->_comp_names_search_prefixes( undef, @prefixes );
-
- return @names;
-}
-
-# Filter a component before returning by calling ACCEPT_CONTEXT if available
-sub _filter_component {
- my ( $c, $comp, @args ) = @_;
-
- if ( eval { $comp->can('ACCEPT_CONTEXT'); } ) {
- return $comp->ACCEPT_CONTEXT( $c, @args );
- }
-
- return $comp;
-}
-
=head2 COMPONENT ACCESSORS
=head2 $c->controller($name)
sub controller {
my ( $c, $name, @args ) = @_;
- my $appclass = ref($c) || $c;
- if( $name ) {
- unless ( ref($name) ) { # Direct component hash lookup to avoid costly regexps
- my $comps = $c->components;
- my $check = $appclass."::Controller::".$name;
- return $c->_filter_component( $comps->{$check}, @args ) if exists $comps->{$check};
- }
- my @result = $c->_comp_search_prefixes( $name, qw/Controller C/ );
- return map { $c->_filter_component( $_, @args ) } @result if ref $name;
- return $c->_filter_component( $result[ 0 ], @args );
+# FIXME: should this be a Catalyst::Utils method?
+ if (!$name) {
+ my $class = $c->action->class;
+
+ my $prefix = length Catalyst::Utils::class2classprefix($class);
+
+ # MyApp::Controller::Foo becomes Foo
+ # the + 2 is because of the ::
+ $name = substr $class, $prefix + 2;
}
- return $c->component( $c->action->class );
+ return $c->container->get_component_from_sub_container( 'controller', $name, $c, @args);
}
=head2 $c->model($name)
sub model {
my ( $c, $name, @args ) = @_;
- my $appclass = ref($c) || $c;
- if( $name ) {
- unless ( ref($name) ) { # Direct component hash lookup to avoid costly regexps
- my $comps = $c->components;
- my $check = $appclass."::Model::".$name;
- return $c->_filter_component( $comps->{$check}, @args ) if exists $comps->{$check};
- }
- my @result = $c->_comp_search_prefixes( $name, qw/Model M/ );
- return map { $c->_filter_component( $_, @args ) } @result if ref $name;
- return $c->_filter_component( $result[ 0 ], @args );
- }
- if (ref $c) {
+ if (ref $c && !$name) {
return $c->stash->{current_model_instance}
- if $c->stash->{current_model_instance};
- return $c->model( $c->stash->{current_model} )
- if $c->stash->{current_model};
- }
- return $c->model( $appclass->config->{default_model} )
- if $appclass->config->{default_model};
-
- my( $comp, $rest ) = $c->_comp_search_prefixes( undef, qw/Model M/);
+ if $c->stash->{current_model_instance};
- if( $rest ) {
- $c->log->warn( Carp::shortmess('Calling $c->model() will return a random model unless you specify one of:') );
- $c->log->warn( '* $c->config(default_model => "the name of the default model to use")' );
- $c->log->warn( '* $c->stash->{current_model} # the name of the model to use for this request' );
- $c->log->warn( '* $c->stash->{current_model_instance} # the instance of the model to use for this request' );
- $c->log->warn( 'NB: in version 5.81, the "random" behavior will not work at all.' );
+ $name = $c->stash->{current_model}
+ if $c->stash->{current_model};
}
- return $c->_filter_component( $comp );
+ return $c->container->get_component_from_sub_container( 'model', $name, $c, @args);
}
sub view {
my ( $c, $name, @args ) = @_;
- my $appclass = ref($c) || $c;
- if( $name ) {
- unless ( ref($name) ) { # Direct component hash lookup to avoid costly regexps
- my $comps = $c->components;
- my $check = $appclass."::View::".$name;
- if( exists $comps->{$check} ) {
- return $c->_filter_component( $comps->{$check}, @args );
- }
- else {
- $c->log->warn( "Attempted to use view '$check', but does not exist" );
- }
- }
- my @result = $c->_comp_search_prefixes( $name, qw/View V/ );
- return map { $c->_filter_component( $_, @args ) } @result if ref $name;
- return $c->_filter_component( $result[ 0 ], @args );
- }
-
- if (ref $c) {
+ if (ref $c && !$name) {
return $c->stash->{current_view_instance}
- if $c->stash->{current_view_instance};
- return $c->view( $c->stash->{current_view} )
- if $c->stash->{current_view};
- }
- return $c->view( $appclass->config->{default_view} )
- if $appclass->config->{default_view};
-
- my( $comp, $rest ) = $c->_comp_search_prefixes( undef, qw/View V/);
+ if $c->stash->{current_view_instance};
- if( $rest ) {
- $c->log->warn( 'Calling $c->view() will return a random view unless you specify one of:' );
- $c->log->warn( '* $c->config(default_view => "the name of the default view to use")' );
- $c->log->warn( '* $c->stash->{current_view} # the name of the view to use for this request' );
- $c->log->warn( '* $c->stash->{current_view_instance} # the instance of the view to use for this request' );
- $c->log->warn( 'NB: in version 5.81, the "random" behavior will not work at all.' );
+ $name = $c->stash->{current_view}
+ if $c->stash->{current_view};
}
- return $c->_filter_component( $comp );
+ return $c->container->get_component_from_sub_container( 'view', $name, $c, @args);
}
=head2 $c->controllers
sub controllers {
my ( $c ) = @_;
- return $c->_comp_names(qw/Controller C/);
+ return $c->container->get_sub_container('controller')->get_service_list;
}
=head2 $c->models
sub models {
my ( $c ) = @_;
- return $c->_comp_names(qw/Model M/);
+ return $c->container->get_sub_container('model')->get_service_list;
}
sub views {
my ( $c ) = @_;
- return $c->_comp_names(qw/View V/);
+ return $c->container->get_sub_container('view')->get_service_list;
}
=head2 $c->comp($name)
If C<$name> is a regexp, a list of components matched against the full
component name will be returned.
-If Catalyst can't find a component by name, it will fallback to regex
-matching by default. To disable this behaviour set
-disable_component_resolution_regex_fallback to a true value.
-
- __PACKAGE__->config( disable_component_resolution_regex_fallback => 1 );
-
=cut
sub component {
- my ( $c, $name, @args ) = @_;
+ my ( $c, $component, @args ) = @_;
- if( $name ) {
- my $comps = $c->components;
+ unless ($component) {
+ $c->log->warn('Calling $c->component with no args is deprecated and ');
+ $c->log->warn('will be removed in a future release.');
+ $c->log->warn('Use $c->component_list instead.');
+ return $c->component_list;
+ }
- if( !ref $name ) {
- # is it the exact name?
- return $c->_filter_component( $comps->{ $name }, @args )
- if exists $comps->{ $name };
+ my ($type, $name) = _get_component_type_name($component);
- # perhaps we just omitted "MyApp"?
- my $composed = ( ref $c || $c ) . "::${name}";
- return $c->_filter_component( $comps->{ $composed }, @args )
- if exists $comps->{ $composed };
+ return $c->container->get_component_from_sub_container(
+ $type, $name, $c, @args
+ ) if $type;
- # search all of the models, views and controllers
- my( $comp ) = $c->_comp_search_prefixes( $name, qw/Model M Controller C View V/ );
- return $c->_filter_component( $comp, @args ) if $comp;
- }
+ my @result = $c->container->find_component( $component, $c, @args );
- # This is here so $c->comp( '::M::' ) works
- my $query = ref $name ? $name : qr{$name}i;
+ # list context for regexp searches
+ return @result if ref $component;
- my @result = grep { m{$query} } keys %{ $c->components };
- return map { $c->_filter_component( $_, @args ) } @result if ref $name;
+ # only one component (if it's found) for string searches
+ return shift @result if @result;
- if( $result[ 0 ] ) {
- $c->log->warn( Carp::shortmess(qq(Found results for "${name}" using regexp fallback)) );
- $c->log->warn( 'Relying on the regexp fallback behavior for component resolution' );
- $c->log->warn( 'is unreliable and unsafe. You have been warned' );
- return $c->_filter_component( $result[ 0 ], @args );
- }
+ # FIXME: I probably shouldn't be doing this
+ # I'm keeping it temporarily for things like $c->comp('MyApp')
+ return $c->components->{$component}
+ if exists $c->components->{$component} and !@args;
- # I would expect to return an empty list here, but that breaks back-compat
- }
+ $c->log->warn("Looking for '$component', but nothing was found.");
- # fallback
- return sort keys %{ $c->components };
+ # I would expect to return an empty list here, but that breaks back-compat
+ $c->log->warn('Component not found, returning the list of existing');
+ $c->log->warn('components. This behavior is deprecated and will be');
+ $c->log->warn('removed in a future release. Use $c->component_list');
+ $c->log->warn('instead.');
+
+ return $c->component_list;
}
+=head2 $c->component_list
+
+Returns the sorted list of the component names of the application.
+
+=cut
+
+sub component_list { sort keys %{ shift->components } }
+
=head2 CLASS DATA AND HELPER CLASSES
=head2 $c->config
sub plugin {
my ( $class, $name, $plugin, @args ) = @_;
- # See block comment in t/unit_core_plugin.t
+ # See block comment in t/aggregate/unit_core_plugin.t
$class->log->warn(qq/Adding plugin using the ->plugin method is deprecated, and will be removed in Catalyst 5.81/);
$class->_register_plugin( $plugin, 1 );
}
}
+ $class->setup_config();
$class->setup_home( delete $flags->{home} );
$class->setup_log( delete $flags->{log} );
}
# Initialize our data structure
- $class->components( {} );
+ $class->components( {} ); # XXX - Remove!
$class->setup_components;
- if ( $class->debug ) {
+ if ( $class->debug ) { # XXX - Fixme to be a method on the container? (Or at least get a) data structure back from the container!!
my $column_width = Catalyst::Utils::term_width() - 8 - 9;
my $t = Text::SimpleTable->new( [ $column_width, 'Class' ], [ 8, 'Type' ] );
for my $comp ( sort keys %{ $class->components } ) {
A hook to attach modifiers to. This method does not do anything except set the
C<setup_finished> accessor.
-Applying method modifiers to the C<setup> method doesn't work, because of quirky thingsdone for plugin setup.
+Applying method modifiers to the C<setup> method doesn't work, because of quirky things done for plugin setup.
Example:
Returns a hash of components.
+=cut
+
+# FIXME - We deal with ->components({'Foo' => 'Bar'})
+# however we DO NOT deal with ->components->{Foo} = 'Bar'
+# We should return a locked hash back to the user? So that if they try the latter, they
+# get breakage, rather than their addition being silently ignored?
+around components => sub {
+ my $orig = shift;
+ my $class = shift;
+ my $comps = shift;
+
+ return $class->$orig if ( !$comps );
+
+# FIXME: should this ugly kludge exist?
+ $class->setup_config unless defined $class->container;
+
+# FIXME: should there be a warning here, not to use this accessor to create the components?
+ my $components = {};
+
+ my $containers;
+ $containers->{$_} = $class->container->get_sub_container($_) for qw(model view controller);
+
+ for my $component ( keys %$comps ) {
+ $components->{ $component } = $comps->{$component};
+
+ my ($type, $name) = _get_component_type_name($component);
+
+ $containers->{$type}->add_service(Catalyst::IOC::BlockInjection->new( name => $name, block => sub { return $class->setup_component($component) } ));
+ }
+
+ return $class->$orig($components);
+};
+
=head2 $c->context_class
Returns or sets the context class.
push( @{ $c->stack }, $code );
no warnings 'recursion';
- eval { $c->state( $code->execute( $class, $c, @{ $c->req->args } ) || 0 ) };
+ # N.B. This used to be combined, but I have seen $c get clobbered if so, and
+ # I have no idea how, ergo $ret (which appears to fix the issue)
+ eval { my $ret = $code->execute( $class, $c, @{ $c->req->args } ) || 0; $c->state( $ret ) };
$c->_stats_finish_execute( $stats_info ) if $c->use_stats and $stats_info;
$error = qq/Caught exception in $class->$name "$error"/;
}
$c->error($error);
- $c->state(0);
}
+ $c->state(0);
}
return $c->state;
}
sub setup_actions { my $c = shift; $c->dispatcher->setup_actions( $c, @_ ) }
+=head2 $c->setup_config
+
+=cut
+
+sub setup_config {
+ my $class = shift;
+
+ my %args = %{ $class->config || {} };
+
+ my @container_classes = ( "${class}::Container", 'Catalyst::IOC::Container');
+ unshift @container_classes, delete $args{container_class} if exists $args{container_class};
+
+ my $container_class = Class::MOP::load_first_existing_class(@container_classes);
+
+ my $container = $container_class->new( %args, name => "$class" );
+ $class->container($container);
+
+ my $config = $container->resolve(service => 'config');
+ $class->config($config);
+ $class->finalize_config; # back-compat
+}
+
+=head2 $c->finalize_config
+
+=cut
+
+sub finalize_config { }
+
=head2 $c->setup_components
This method is called internally to set up the application's components.
my $class = shift;
my $config = $class->config->{ setup_components };
+ my $search_extra = $config->{ search_extra };
my @comps = $class->locate_components($config);
my %comps = map { $_ => 1 } @comps;
Catalyst::Utils::ensure_class_loaded( $component, { ignore_loaded => 1 } );
}
+ my $containers;
+ $containers->{$_} = $class->container->get_sub_container($_) for qw(model view controller);
+
for my $component (@comps) {
my $instance = $class->components->{ $component } = $class->setup_component($component);
+ if ( my ($type, $name) = _get_component_type_name($component, $search_extra) ) {
+ $containers->{$type}->add_service(Catalyst::IOC::BlockInjection->new( name => $name, block => sub { return $instance } ));
+ }
my @expanded_components = $instance->can('expand_modules')
? $instance->expand_modules( $component, $config )
: $class->expand_component_module( $component, $config );
for my $component (@expanded_components) {
next if $comps{$component};
+
+ $deprecatedcatalyst_component_names = grep { /::[CMV]::/ } @expanded_components;
+ $class->log->warn(qq{Your application is using the deprecated ::[MVC]:: type naming scheme.\n}.
+ qq{Please switch your class names to ::Model::, ::View:: and ::Controller: as appropriate.\n}
+ ) if $deprecatedcatalyst_component_names;
+
+ if (my ($type, $name) = _get_component_type_name($component, $search_extra)) {
+ $containers->{$type}->add_service(Catalyst::IOC::BlockInjection->new( name => $name, block => sub { return $class->setup_component($component) } ));
+ }
+
+ # FIXME - Remove this!!
$class->components->{ $component } = $class->setup_component($component);
}
}
+
+ $containers->{model}->make_single_default;
+ $containers->{view}->make_single_default;
+}
+
+# FIXME: should this sub exist?
+# should it be moved to Catalyst::Utils,
+# or replaced by something already existing there?
+sub _get_component_type_name {
+ my ( $component, $search_extra) = @_;
+ $search_extra ||= [];
+ my @search_extra = map { s/^:://; lc $_ } @$search_extra;
+
+ my @parts = split /::/, $component;
+
+ if (scalar @parts == 1) {
+ return (undef, $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;
+
+ return (_get_component_type($component), join '::', @parts)
+ if @search_extra and ( grep { lc $type eq $_ } @search_extra );
+ }
+}
+
+sub _get_component_type {
+ my ( $instance ) = @_;
+
+ return 'controller' if $instance->isa('Catalyst::Controller');
+ return 'model' if $instance->isa('Catalyst::Model');
+ return 'view' if $instance->isa('Catalyst::View');
}
=head2 $c->locate_components( $setup_component_config )
=cut
+## FIXME - Why the hell do we try calling the ->COMPONENT method twice, this is madness!?!
sub setup_component {
my( $class, $component ) = @_;
message => qq/Couldn't instantiate component "$component", "$error"/
);
}
-
- unless (blessed $instance) {
+ elsif (!blessed $instance) {
my $metaclass = Moose::Util::find_meta($component);
my $method_meta = $metaclass->find_method_by_name('COMPONENT');
my $component_method_from = $method_meta->associated_metaclass->name;
qq/Couldn't instantiate component "$component", COMPONENT() method (from $component_method_from) didn't return an object-like value (value was $value)./
);
}
+
return $instance;
}
my $class = ref $proto || $proto;
Class::MOP::load_class( $plugin );
- $class->log->warn( "$plugin inherits from 'Catalyst::Component' - this is decated and will not work in 5.81" )
+ $class->log->warn( "$plugin inherits from 'Catalyst::Component' - this is deprecated and will not work in 5.81" )
if $plugin->isa( 'Catalyst::Component' );
$proto->_plugins->{$plugin} = 1;
unless ($instant) {
=item *
-C<disable_component_resolution_regex_fallback> - Turns
-off the deprecated component resolution functionality so
-that if any of the component methods (e.g. C<< $c->controller('Foo') >>)
-are called then regex search will not be attempted on string values and
-instead C<undef> will be returned.
-
-=item *
-
C<home> - The application home directory. In an uninstalled application,
this is the top level application directory. In an installed application,
this will be the directory containing C<< MyApp.pm >>.
Andrew Ruthven
+André Walker
+
andyg: Andy Grundman <andy@hybridized.org>
audreyt: Audrey Tang
rainboxx: Matthias Dietrich, C<perl@rainboxx.de>
+dd070: Dhaval Dhanani <dhaval070@gmail.com>
+
+=head1 COPYRIGHT
+
+Copyright (c) 2005, the above named PROJECT FOUNDER and CONTRIBUTORS.
+
=head1 LICENSE
This library is free software. You can redistribute it and/or modify it under