X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FCatalyst%2FDispatchType%2FChained.pm;h=44f890e59037d5f4e35b958169514a46d66070c1;hb=134c6b5a228aeb79addb52c2323d64b0ed47503a;hp=5fc504ab85227c0f32f79c3bf98177c2431d7906;hpb=e1207438ea591f9e0037fe0b2f14e072faeb6e14;p=catagits%2FCatalyst-Runtime.git

diff --git a/lib/Catalyst/DispatchType/Chained.pm b/lib/Catalyst/DispatchType/Chained.pm
index 5fc504a..44f890e 100644
--- a/lib/Catalyst/DispatchType/Chained.pm
+++ b/lib/Catalyst/DispatchType/Chained.pm
@@ -96,14 +96,15 @@ sub list {
                   sort { $a->reverse cmp $b->reverse }
                            @{ $self->_endpoints }
                   ) {
-        my $args = $endpoint->attributes->{Args}->[0];
+        my $args = $endpoint->list_extra_info->{Args};
         my @parts = (defined($args) ? (("*") x $args) : '...');
         my @parents = ();
         my $parent = "DUMMY";
+        my $extra  = $self->_list_extra_http_methods($endpoint);
         my $curr = $endpoint;
         while ($curr) {
-            if (my $cap = $curr->attributes->{CaptureArgs}) {
-                unshift(@parts, (("*") x $cap->[0]));
+            if (my $cap = $curr->list_extra_info->{CaptureArgs}) {
+                unshift(@parts, (("*") x $cap));
             }
             if (my $pp = $curr->attributes->{PathPart}) {
                 unshift(@parts, $pp->[0])
@@ -121,15 +122,19 @@ sub list {
         my @rows;
         foreach my $p (@parents) {
             my $name = "/${p}";
-            if (my $cap = $p->attributes->{CaptureArgs}) {
-                $name .= ' ('.$cap->[0].')';
+
+            if (defined(my $extra = $self->_list_extra_http_methods($p))) {
+                $name = "${extra} ${name}";
+            }
+            if (defined(my $cap = $p->list_extra_info->{CaptureArgs})) {
+                $name .= ' ('.$cap.')';
             }
             unless ($p eq $parents[0]) {
                 $name = "-> ${name}";
             }
             push(@rows, [ '', $name ]);
         }
-        push(@rows, [ '', (@rows ? "=> " : '')."/${endpoint}" ]);
+        push(@rows, [ '', (@rows ? "=> " : '').($extra ? "$extra " : '')."/${endpoint}" ]);
         $rows[0][0] = join('/', '', @parts) || '/';
         $paths->row(@$_) for @rows;
     }
@@ -139,6 +144,12 @@ sub list {
         if $has_unattached_actions;
 }
 
+sub _list_extra_http_methods {
+    my ( $self, $action ) = @_;
+    return unless defined $action->list_extra_info->{HTTP_METHODS};
+    return join(', ', @{$action->list_extra_info->{HTTP_METHODS}});
+}
+
 =head2 $self->match( $c, $path )
 
 Calls C<recurse_match> to see if a chain matches the C<$path>.
@@ -201,15 +212,19 @@ sub recurse_match {
         my @try_actions = @{$children->{$try_part}};
         TRY_ACTION: foreach my $action (@try_actions) {
             if (my $capture_attr = $action->attributes->{CaptureArgs}) {
+                my $capture_count = $capture_attr->[0] || 0;
 
                 # Short-circuit if not enough remaining parts
-                next TRY_ACTION unless @parts >= ($capture_attr->[0]||0);
+                next TRY_ACTION unless @parts >= $capture_count;
 
                 my @captures;
                 my @parts = @parts; # localise
 
                 # strip CaptureArgs into list
-                push(@captures, splice(@parts, 0, $capture_attr->[0]));
+                push(@captures, splice(@parts, 0, $capture_count));
+
+                # check if the action may fit, depending on a given test by the app
+                if ($action->can('match_captures')) { next TRY_ACTION unless $action->match_captures($c, \@captures) }
 
                 # try the remaining parts against children of this action
                 my ($actions, $captures, $action_parts, $n_pathparts) = $self->recurse_match(
@@ -249,7 +264,7 @@ sub recurse_match {
 
                 if (!$best_action                       ||
                     @parts < @{$best_action->{parts}}   ||
-                    (!@parts && $args_attr eq 0)){
+                    (!@parts && defined($args_attr) && $args_attr eq "0")){
                     $best_action = {
                         actions => [ $action ],
                         captures=> [],
@@ -326,7 +341,7 @@ sub register {
             $args = Data::Dumper::Dumper($args);
             Catalyst::Exception->throw(
               "Invalid Args($args) for action " . $action->reverse() .
-              " (use 'Args' or 'Args(<number>)'"
+              " (use 'Args' or 'Args(<number>)')"
             );
         }
     }
@@ -357,7 +372,7 @@ sub uri_for_action {
     my $curr = $action;
     while ($curr) {
         if (my $cap = $curr->attributes->{CaptureArgs}) {
-            return undef unless @captures >= $cap->[0]; # not enough captures
+            return undef unless @captures >= ($cap->[0]||0); # not enough captures
             if ($cap->[0]) {
                 unshift(@parts, splice(@captures, -$cap->[0]));
             }
@@ -670,12 +685,19 @@ of the endpoint of the chain, not on the chained actions way. The
 C<auto> actions will be run before the chain dispatching begins. In
 every other aspect, C<auto> actions behave as documented.
 
-The C<forward>ing to other actions does just what you would expect. ie
+The C<forward>ing to other actions does just what you would expect. i.e.
 only the target action is run. The actions that that action is chained
 to are not run.
 If you C<detach> out of a chain, the rest of the chain will not get
 called after the C<detach>.
 
+=head2 match_captures
+
+A method which can optionally be implemented by actions to
+stop chain matching.
+
+See L<Catalyst::Action> for further details.
+
 =head1 AUTHORS
 
 Catalyst Contributors, see Catalyst.pm