X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FCatalyst%2FAction.pm;h=af60527acaf016595a73357cbcbf16cc5c629cec;hb=gsoc_breadboard;hp=87b37fd6f13c192945c14d53039611d1afa72e67;hpb=8f6cebb2303a0b0eda9422430f926c3f83c72aed;p=catagits%2FCatalyst-Runtime.git

diff --git a/lib/Catalyst/Action.pm b/lib/Catalyst/Action.pm
index 87b37fd..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;
@@ -147,10 +160,29 @@ C<private_path> of an action is always suitable for passing to C<forward>.
 
 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.
 
+=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
 
 Catalyst Contributors, see Catalyst.pm