use Catalyst::ActionContainer;
use Catalyst::DispatchType::Default;
use Catalyst::DispatchType::Index;
-use Text::ASCIITable;
+use Text::SimpleTable;
use Tree::Simple;
use Tree::Simple::Visitor::FindByPath;
# Stringify to class
use overload '""' => sub { return ref shift }, fallback => 1;
-__PACKAGE__->mk_accessors(qw/tree dispatch_types/);
+__PACKAGE__->mk_accessors(
+ qw/tree dispatch_types registered_dispatch_types
+ method_action_class action_container_class/
+);
# Preload these action types
our @PRELOAD = qw/Path Regex/;
+# Postload these action types
+our @POSTLOAD = qw/Index Default/;
+
=head1 NAME
Catalyst::Dispatcher - The Catalyst Dispatcher
my ( $self, $c ) = @_;
if ( $c->action ) {
-
- my @containers = $self->get_containers( $c->namespace );
- my %actions;
- foreach my $name (qw/begin auto end/) {
-
- # Go down the container list representing each part of the
- # current namespace inheritance tree, grabbing the actions hash
- # of the ActionContainer object and looking for actions of the
- # appropriate name registered to the namespace
-
- $actions{$name} = [
- map { $_->{$name} }
- grep { exists $_->{$name} }
- map { $_->actions } @containers
- ];
- }
-
- # Errors break the normal flow and the end action is instantly run
- my $error = 0;
-
- # Execute last begin
- $c->state(1);
- if ( my $begin = @{ $actions{begin} }[-1] ) {
- $begin->execute($c);
- $error++ if scalar @{ $c->error };
- }
-
- # Execute the auto chain
- my $autorun = 0;
- for my $auto ( @{ $actions{auto} } ) {
- last if $error;
- $autorun++;
- $auto->execute($c);
- $error++ if scalar @{ $c->error };
- last unless $c->state;
- }
-
- # Execute the action or last default
- my $mkay = $autorun ? $c->state ? 1 : 0 : 1;
- if ($mkay) {
- unless ($error) {
- $c->action->execute($c);
- $error++ if scalar @{ $c->error };
- }
- }
-
- # Execute last end
- if ( my $end = @{ $actions{end} }[-1] ) {
- $end->execute($c);
- }
+ $c->forward( join( '/', '', $c->namespace, '_DISPATCH' ) );
}
else {
return 0;
}
- # Relative forwards from detach
- my $caller = ( caller(1) )[0]->isa('Catalyst::Dispatcher')
- && ( ( caller(2) )[3] =~ /::detach$/ ) ? caller(3) : caller(1);
-
my $arguments = ( ref( $_[-1] ) eq 'ARRAY' ) ? pop(@_) : $c->req->args;
- my $results = [];
+ my $result;
- my $command_copy = $command;
+ unless ( ref $command ) {
+ my $command_copy = $command;
- unless ( $command_copy =~ s/^\/// ) {
- my $namespace =
- Catalyst::Utils::class2prefix( $caller, $c->config->{case_sensitive} )
- || '';
- $command_copy = "${namespace}/${command}";
- }
+ unless ( $command_copy =~ s/^\/// ) {
+ my $namespace = $c->namespace;
+ $command_copy = "${namespace}/${command}";
+ }
- unless ( $command_copy =~ /\// ) {
- $results = $c->get_action( $command_copy, '/' );
- }
- else {
- my @extra_args;
- DESCEND: while ( $command_copy =~ s/^(.*)\/(\w+)$/$1/ ) {
- my $tail = $2;
- $results = $c->get_action( $tail, $1 );
- if ( @{$results} ) {
- $command = $tail;
- push( @{$arguments}, @extra_args );
- last DESCEND;
+ unless ( $command_copy =~ /\// ) {
+ $result = $c->get_action( $command_copy, '/' );
+ }
+ else {
+ my @extra_args;
+ DESCEND: while ( $command_copy =~ s/^(.*)\/(\w+)$/$1/ ) {
+ my $tail = $2;
+ $result = $c->get_action( $tail, $1 );
+ if ($result) {
+ $command = $tail;
+ push( @{$arguments}, @extra_args );
+ last DESCEND;
+ }
+ unshift( @extra_args, $tail );
}
- unshift( @extra_args, $tail );
}
}
- unless ( @{$results} ) {
+ unless ($result) {
+
+ my $class = ref($command) || ref( $c->component($command) );
+ my $method = shift || 'process';
- unless ( $c->components->{$command} ) {
+ unless ($class) {
my $error =
qq/Couldn't forward to command "$command". Invalid action or component./;
$c->error($error);
return 0;
}
- my $class = $command;
- my $method = shift || 'process';
-
- if ( my $code = $c->components->{$class}->can($method) ) {
- my $action = Catalyst::Action->new(
+ if ( my $code = $class->can($method) ) {
+ my $action = $self->method_action_class->new(
{
name => $method,
code => $code,
reverse => "$class->$method",
+ class => $class,
namespace => $class,
- prefix => $class,
}
);
- $results = [ [$action] ];
+ $result = $action;
}
else {
local $c->request->{arguments} = [ @{$arguments} ];
- for my $result ( @{$results} ) {
- $result->[0]->execute($c);
- return if scalar @{ $c->error };
- last unless $c->state;
- }
+ $result->execute($c);
return $c->state;
}
if ( $c->debug && @args );
}
-=item $self->get_action( $c, $action, $namespace, $inherit )
+=item $self->get_action( $action, $namespace )
=cut
sub get_action {
- my ( $self, $c, $action, $namespace, $inherit ) = @_;
- return [] unless $action;
+ my ( $self, $name, $namespace ) = @_;
+ return unless $name;
$namespace ||= '';
- $inherit ||= 0;
+ $namespace = '' if $namespace eq '/';
my @match = $self->get_containers($namespace);
- my @results;
-
- foreach my $child ( $inherit ? @match : $match[-1] ) {
- my $node = $child->actions;
- if ( defined $node->{$action} ) {
- unless ($inherit) {
- $namespace = '' if $namespace eq '/';
- my $reverse = $node->{$action}->reverse;
- my $name = $namespace
- ? $namespace =~ /\/$/
- ? "$namespace$action"
- : "$namespace/$action"
- : $action;
- last unless $name eq $reverse;
- }
- push( @results, [ $node->{$action} ] );
- }
+ return unless @match;
+
+ if ( my $action = $match[-1]->get_action($name) ) {
+ return $action if $action->namespace eq $namespace;
}
- return \@results;
+}
+
+=item $self->get_actions( $c, $action, $namespace )
+
+=cut
+
+sub get_actions {
+ my ( $self, $c, $action, $namespace ) = @_;
+ return [] unless $action;
+ $namespace ||= '';
+ $namespace = '' if $namespace eq '/';
+
+ my @match = $self->get_containers($namespace);
+
+ return map { $_->get_action($action) } @match;
}
=item $self->get_containers( $namespace )
# should catch any failures - or short-circuit this if this *is* a
# bug in the visitor and gets fixed.
- my $extra = $path[ ( scalar @match ) - 1 ];
- last unless $extra;
- $visitor->setSearchPath($extra);
- $match[-1]->accept($visitor);
- push( @match, $visitor->getResult ) if defined $visitor->getResult;
+ if ( my $extra = $path[ ( scalar @match ) - 1 ] ) {
+ $visitor->setSearchPath($extra);
+ $match[-1]->accept($visitor);
+ push( @match, $visitor->getResult ) if defined $visitor->getResult;
+ }
}
return map { $_->getNodeValue } @match;
}
-=item $self->set_action( $c, $action, $code, $namespace, $attrs )
+sub register {
+ my ( $self, $c, $action ) = @_;
-=cut
-
-sub set_action {
- my ( $self, $c, $method, $code, $namespace, $attrs ) = @_;
-
- my $prefix =
- Catalyst::Utils::class2prefix( $namespace, $c->config->{case_sensitive} )
- || '';
- my %attributes;
-
- for my $attr ( @{$attrs} ) {
-
- # Parse out :Foo(bar) into Foo => bar etc (and arrayify)
-
- my %initialized;
- $initialized{ ref $_ }++ for @{ $self->dispatch_types };
-
- if ( my ( $key, $value ) = ( $attr =~ /^(.*?)(?:\(\s*(.+)\s*\))?$/ ) ) {
-
- # Initialize types
- my $class = "Catalyst::DispatchType::$key";
- unless ( $initialized{$class} ) {
- eval "require $class";
- push( @{ $self->dispatch_types }, $class->new ) unless $@;
- $initialized{$class}++;
- }
-
- if ( defined $value ) {
- ( $value =~ s/^'(.*)'$/$1/ ) || ( $value =~ s/^"(.*)"/$1/ );
- }
- push( @{ $attributes{$key} }, $value );
- }
- }
-
- if ( $attributes{Private} && ( keys %attributes > 1 ) ) {
- $c->log->debug( 'Bad action definition "'
- . join( ' ', @{$attrs} )
- . qq/" for "$namespace->$method"/ )
- if $c->debug;
- return;
- }
- return unless keys %attributes;
+ my $namespace = $action->namespace;
+ my $parent = $self->tree;
+ my $visitor = Tree::Simple::Visitor::FindByPath->new;
- my $parent = $self->tree;
- my $visitor = Tree::Simple::Visitor::FindByPath->new;
-
- if ($prefix) {
- for my $part ( split '/', $prefix ) {
+ if ($namespace) {
+ for my $part ( split '/', $namespace ) {
$visitor->setSearchPath($part);
$parent->accept($visitor);
my $child = $visitor->getResult;
}
}
- my $reverse = $prefix ? "$prefix/$method" : $method;
+ # Set the method value
+ $parent->getNodeValue->actions->{ $action->name } = $action;
- my $action = Catalyst::Action->new(
- {
- name => $method,
- code => $code,
- reverse => $reverse,
- namespace => $namespace,
- prefix => $prefix,
- attributes => \%attributes,
- }
- );
+ my $registered = $self->registered_dispatch_types;
- # Set the method value
- $parent->getNodeValue->actions->{$method} = $action;
+ foreach my $key ( keys %{ $action->attributes } ) {
+ my $class = "Catalyst::DispatchType::$key";
+ unless ( $registered->{$class} ) {
+ eval "require $class";
+ push( @{ $self->dispatch_types }, $class->new ) unless $@;
+ $registered->{$class} = 1;
+ }
+ }
# Pass the action to our dispatch types so they can register it if reqd.
foreach my $type ( @{ $self->dispatch_types } ) {
=cut
sub setup_actions {
- my ( $self, $class ) = @_;
+ my ( $self, $c ) = @_;
$self->dispatch_types( [] );
+ $self->registered_dispatch_types( {} );
+ $self->method_action_class('Catalyst::Action');
+ $self->action_container_class('Catalyst::ActionContainer');
# Preload action types
for my $type (@PRELOAD) {
Catalyst::Exception->throw( message => qq/Couldn't load "$class"/ )
if $@;
push @{ $self->dispatch_types }, $class->new;
+ $self->registered_dispatch_types->{$class} = 1;
}
# We use a tree
Catalyst::ActionContainer->new( { part => '/', actions => {} } );
$self->tree( Tree::Simple->new( $container, Tree::Simple->ROOT ) );
- for my $comp ( keys %{ $class->components } ) {
-
- # We only setup components that inherit from Catalyst::Base
- next unless $comp->isa('Catalyst::Base');
-
- for my $action ( @{ Catalyst::Utils::reflect_actions($comp) } ) {
- my ( $code, $attrs ) = @{$action};
- my $name = '';
- no strict 'refs';
- my @cache = ( $comp, @{"$comp\::ISA"} );
- my %namespaces;
-
- while ( my $namespace = shift @cache ) {
- $namespaces{$namespace}++;
- for my $isa ( @{"$comp\::ISA"} ) {
- next if $namespaces{$isa};
- push @cache, $isa;
- $namespaces{$isa}++;
- }
- }
-
- for my $namespace ( keys %namespaces ) {
- for my $sym ( values %{ $namespace . '::' } ) {
- if ( *{$sym}{CODE} && *{$sym}{CODE} == $code ) {
- $name = *{$sym}{NAME};
- $class->set_action( $name, $code, $comp, $attrs );
- last;
- }
- }
- }
- }
+ foreach my $comp ( values %{ $c->components } ) {
+ $comp->register_actions($c) if $comp->can('register_actions');
}
- # Default actions are always last in the chain
- push @{ $self->dispatch_types }, Catalyst::DispatchType::Index->new;
- push @{ $self->dispatch_types }, Catalyst::DispatchType::Default->new;
+ # Postload action types
+ for my $type (@POSTLOAD) {
+ my $class = "Catalyst::DispatchType::$type";
+ eval "require $class";
+ Catalyst::Exception->throw( message => qq/Couldn't load "$class"/ )
+ if $@;
+ push @{ $self->dispatch_types }, $class->new;
+ }
- return unless $class->debug;
+ return unless $c->debug;
- my $privates = Text::ASCIITable->new;
- $privates->setCols( 'Private', 'Class' );
- $privates->setColWidth( 'Private', 36, 1 );
- $privates->setColWidth( 'Class', 37, 1 );
+ my $privates = Text::SimpleTable->new(
+ [ 24, 'Private' ],
+ [ 23, 'Class' ],
+ [ 23, 'Method' ]
+ );
+ my $has_private = 0;
my $walker = sub {
my ( $walker, $parent, $prefix ) = @_;
$prefix .= $parent->getNodeValue || '';
for my $action ( keys %{$node} ) {
my $action_obj = $node->{$action};
- $privates->addRow( "$prefix$action", $action_obj->namespace );
+ next
+ if ( ( $action =~ /^_.*/ )
+ && ( !$c->config->{show_internal_actions} ) );
+ $privates->row( "$prefix$action", $action_obj->class, $action );
+ $has_private = 1;
}
$walker->( $walker, $_, $prefix ) for $parent->getAllChildren;
};
$walker->( $walker, $self->tree, '' );
- $class->log->debug( "Loaded Private actions:\n" . $privates->draw )
- if ( @{ $privates->{tbl_rows} } );
+ $c->log->debug( "Loaded Private actions:\n" . $privates->draw )
+ if ($has_private);
# List all public actions
- $_->list($class) for @{ $self->dispatch_types };
+ $_->list($c) for @{ $self->dispatch_types };
}
=back
=head1 AUTHOR
Sebastian Riedel, C<sri@cpan.org>
+Matt S Trout, C<mst@shadowcatsystems.co.uk>
=head1 COPYRIGHT
projects / catagits/Catalyst-Runtime.git / blobdiff