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=fb5c9c6ca9662c2bb82db9e2b76e1904f47b89eb;hp=e9c936303d235f5dbff4826e4c4b3ff700fdb77c;hb=760d121ecfcc1ad7c28342a6912a472fe30e5fe0;hpb=009b5b2324f83396439a494a56684efb60eb2cd8

diff --git a/lib/Catalyst/Action.pm b/lib/Catalyst/Action.pm
index e9c9363..fb5c9c6 100644
--- a/lib/Catalyst/Action.pm
+++ b/lib/Catalyst/Action.pm
@@ -55,8 +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 );
@@ -67,15 +65,47 @@ sub execute {
   $self->code->(@_);
 }
 
+sub match_captures { 
+  my ( $self, $c, $captures ) = @_;
+  ## It would seem that now that we can match captures, we could remove a lot
+  ## of the capture_args to args mapping all around.  I gave it a go, but was
+  ## not trival, contact jnap on irc for what I tried if you want to try.
+  ##  return $self->_match_has_expected_capture_args($captures) &&
+    return $self->_match_has_expected_http_method($c->req->method);
+}
+
 sub match {
-    my ( $self, $c ) = @_;
-    #would it be unreasonable to store the number of arguments
-    #the action has as its own attribute?
-    #it would basically eliminate the code below.  ehhh. small fish
-    return 1 unless exists $self->attributes->{Args};
-    my $args = $self->attributes->{Args}[0];
-    return 1 unless defined($args) && length($args);
-    return scalar( @{ $c->req->args } ) == $args;
+  my ( $self, $c ) = @_;
+  return $self->_match_has_expected_args($c->req->args) &&
+    $self->_match_has_expected_http_method($c->req->method);
+}
+
+sub _match_has_expected_args {
+  my ($self, $req_args) = @_;
+  return 1 unless exists $self->attributes->{Args};
+  my $args = $self->attributes->{Args}[0];
+  return 1 unless defined($args) && length($args);
+  return scalar( @{$req_args} ) == $args;
+}
+
+sub _match_has_expected_capture_args {
+  my ($self, $req_args) = @_;
+  return 1 unless exists $self->attributes->{CaptureArgs};
+  my $args = $self->attributes->{CaptureArgs}[0];
+  return 1 unless defined($args) && length($args);
+  return scalar( @{$req_args} ) == $args;
+}
+
+sub _match_has_expected_http_method {
+  my ($self, $method) = @_;
+  my @methods = @{ $self->attributes->{Method} || [] };
+  if(scalar @methods) {
+    my $result = scalar(grep { lc($_) eq lc($method) } @methods) ? 1:0;
+    return $result;
+  } else {
+    ## No HTTP Methods to check
+    return 1;
+  }
 }
 
 sub compare {
@@ -84,12 +114,25 @@ sub compare {
     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;
+}
+
 __PACKAGE__->meta->make_immutable;
 
 1;
@@ -105,7 +148,9 @@ 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/catalyst_component_name|catalyst_component_name>
+method on each component.
 
 =head2 code
 
@@ -113,7 +158,7 @@ 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 )
 
@@ -125,6 +170,16 @@ 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>
@@ -145,11 +200,19 @@ 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 AUTHORS