X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?p=catagits%2FCatalyst-Runtime.git;a=blobdiff_plain;f=lib%2FCatalyst%2FAction.pm;h=af60527acaf016595a73357cbcbf16cc5c629cec;hp=8d187a0ac1f4d2c3dbd8520caa159d0a9cdb0820;hb=e5cd6cc061d87d09a29fe67c7c3ab8fc386a5af0;hpb=fb0c5b21c3c972bc88b8c6c481f9937f31658a23

diff --git a/lib/Catalyst/Action.pm b/lib/Catalyst/Action.pm
index 8d187a0..af60527 100644
--- a/lib/Catalyst/Action.pm
+++ b/lib/Catalyst/Action.pm
@@ -88,6 +88,19 @@ sub compare {
     return $a1_args <=> $a2_args;
 }
 
+sub number_of_args {
+    my ( $self ) = @_;
+    return 0 unless exists $self->attributes->{Args};
+    return $self->attributes->{Args}[0];
+}
+
+sub number_of_captures {
+    my ( $self ) = @_;
+
+    return 0 unless exists $self->attributes->{CaptureArgs};
+    return $self->attributes->{CaptureArgs}[0] || 0;
+}
+
 __PACKAGE__->meta->make_immutable;
 
 1;
@@ -103,8 +116,8 @@ and so on. This determines how the action is dispatched to.
 
 =head2 class
 
-Returns the class name of the component where this action is defined.
-Derived by calling the L<Catalyst::Component/_component_class|_component_class>
+Returns the name of the component where this action is defined.
+Derived by calling the L<Catalyst::Component/catalyst_component_name|catalyst_component_name>
 method on each component.
 
 =head2 code
@@ -113,7 +126,7 @@ Returns a code reference to this action.
 
 =head2 dispatch( $c )
 
-Dispatch this action against a context
+Dispatch this action against a context.
 
 =head2 execute( $controller, $c, @args )
 
@@ -145,11 +158,30 @@ C<private_path> of an action is always suitable for passing to C<forward>.
 
 =head2 name
 
-returns the sub name of this action.
+Returns the sub name of this action.
+
+=head2 number_of_args
+
+Returns the number of args this action expects. This is 0 if the action doesn't take any arguments and undef if it will take any number of arguments.
+
+=head2 number_of_captures
+
+Returns the number of captures this action expects for L<Chained|Catalyst::DispatchType::Chained> actions.
 
 =head2 meta
 
-Provided by Moose
+Provided by Moose.
+
+=head1 OPTIONAL METHODS
+
+=head2 match_captures
+
+Can be implemented by action class and action role authors. If the method
+exists, then it will be called with the request context and an array reference
+of the captures for this action.
+
+Returning true from this method causes the chain match to continue, returning
+makes the chain not match (and alternate, less preferred chains will be attempted).
 
 =head1 AUTHORS