Merge pull request #746 from sukria/feature/before_hook_param

Pass route handler to before hooks

lib/Dancer.pm

@@ -638,7 +638,8 @@ Defines a before filter:
     };
 
 The anonymous function given to C<before> will be executed before executing a
-route handler to handle the request.
+route handler to handle the request.  It will receive a reference to the route
+handler about to be executed as its parameter.
 
 If the function modifies the request's C<path_info> or C<method>, a new
 search for a matching route is performed and the filter is re-executed.

lib/Dancer/Renderer.pm

@@ -98,7 +98,7 @@ sub get_action_response {
     my $app = ($handler && $handler->app) ? $handler->app : Dancer::App->current();
 
     # run the before filters, before "running" the route handler
-    Dancer::Factory::Hook->instance->execute_hooks('before');
+    Dancer::Factory::Hook->instance->execute_hooks('before', $handler);
 
     # recurse if something has changed
     my $MAX_RECURSIVE_LOOP = 10;