finished the scheme matching and uri_for updates

[catagits/Catalyst-Runtime.git] / lib / Catalyst / Action.pm

diff --git a/lib/Catalyst/Action.pm b/lib/Catalyst/Action.pm
index 1649f35..881c120 100644 (file)
--- a/lib/Catalyst/Action.pm
+++ b/lib/Catalyst/Action.pm
@@ -8,6 +8,8 @@ Catalyst::Action - Catalyst Action
 
     <form action="[%c.uri_for(c.action)%]">
 
+    $c->forward( $action->private_path );
+
 =head1 DESCRIPTION
 
 This class represents a Catalyst Action. You can access the object for the
@@ -28,6 +30,13 @@ has 'reverse' => (is => 'rw');
 has attributes => (is => 'rw');
 has name => (is => 'rw');
 has code => (is => 'rw');
+has private_path => (
+  reader => 'private_path',
+  isa => 'Str',
+  lazy => 1,
+  required => 1,
+  default => sub { '/'.shift->reverse },
+);
 
 use overload (
 
@@ -37,9 +46,6 @@ use overload (
     # Codulate to execute to invoke the encapsulated action coderef
     '&{}' => sub { my $self = shift; sub { $self->execute(@_); }; },
 
-    # Which action takes precedence
-    '<=>' => 'compare',
-
     # Make general $stuff still work
     fallback => 1,
 
@@ -49,8 +55,6 @@ use overload (
 
 no warnings 'recursion';
 
-#__PACKAGE__->mk_accessors(qw/class namespace reverse attributes name code/);
-
 sub dispatch {    # Execute ourselves against a context
     my ( $self, $c ) = @_;
     return $c->execute( $self->class, $self );
@@ -72,18 +76,45 @@ sub match {
     return scalar( @{ $c->req->args } ) == $args;
 }
 
+sub match_captures { 1 }
+
 sub compare {
     my ($a1, $a2) = @_;
 
     my ($a1_args) = @{ $a1->attributes->{Args} || [] };
     my ($a2_args) = @{ $a2->attributes->{Args} || [] };
 
-    $_ = looks_like_number($_) ? $_ : ~0 
+    $_ = looks_like_number($_) ? $_ : ~0
         for $a1_args, $a2_args;
 
     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;
+}
+
+sub scheme {
+  return exists $_[0]->attributes->{Scheme} ? $_[0]->attributes->{Scheme}[0] : undef;
+}
+
+sub list_extra_info {
+  my $self = shift;
+  return {
+    Args => $self->attributes->{Args}[0],
+    CaptureArgs => $self->number_of_captures,
+  }
+} 
+
 __PACKAGE__->meta->make_immutable;
 
 1;
@@ -99,7 +130,9 @@ and so on. This determines how the action is dispatched to.
 
 =head2 class
 
-Returns the class name where this action is defined.
+Returns the name of the component where this action is defined.
+Derived by calling the L<catalyst_component_name|Catalyst::Component/catalyst_component_name>
+method on each component.
 
 =head2 code
 
@@ -107,7 +140,7 @@ 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 )
 
@@ -119,13 +152,21 @@ context and arguments
 Check Args attribute, and makes sure number of args matches the setting.
 Always returns true if Args is omitted.
 
+=head2 match_captures ($c, $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).
+
+
 =head2 compare
 
 Compares 2 actions based on the value of the C<Args> attribute, with no C<Args>
 having the highest precedence.
 
-C<< <=> >> is overloaded to use this method.
-
 =head2 namespace
 
 Returns the private namespace this action lives in.
@@ -134,13 +175,34 @@ Returns the private namespace this action lives in.
 
 Returns the private path for this action.
 
+=head2 private_path
+
+Returns absolute private path for this action. Unlike C<reverse>, the
+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 list_extra_info
+
+A HashRef of key-values that an action can provide to a debugging screen
+
+=head2 scheme
+
+Any defined scheme for the action
 
 =head2 meta
 
-Provided by Moose
+Provided by Moose.
 
 =head1 AUTHORS