adding support for attaching filters based on URI routing.

Signed-off-by: Taylor Otwell <taylorotwell@gmail.com>

laravel/routing/route.php

@@ -1,6 +1,7 @@
 <?php namespace Laravel\Routing;
 
 use Closure;
+use Laravel\URI;
 use Laravel\Bundle;
 use Laravel\Request;
 use Laravel\Response;
@@ -172,9 +173,38 @@ class Route {
 			$filters = array_merge($filters, $assigned);
 		}
 
+		// Next we will attach any pattern type filters to the array of
+		// filters as these are matched to the route by the route's
+		// URI and not explicitly attached to routes.
+		if ($event == 'before')
+		{
+			$filters = array_merge($filters, $this->patterns());
+		}
+
 		return array(new Filter_Collection($filters));
 	}
 
+	/**
+	 * Get the pattern filters for the route.
+	 *
+	 * @return array
+	 */
+	protected function patterns()
+	{
+		// We will simply iterate through the registered patterns and
+		// check the URI pattern against the URI for the route and
+		// if they match we'll attach the filter.
+		foreach (Filter::$patterns as $pattern => $filter)
+		{
+			if (URI::is($pattern, $this->uri))
+			{
+				$filters[] = $filter;
+			}
+		}
+
+		return (array) $filters;
+	}
+
 	/**
 	 * Get the controller action delegate assigned to the route.
 	 *
@@ -340,11 +370,11 @@ class Route {
 	/**
 	 * Register a route filter.
 	 *
-	 * @param  string   $name
-	 * @param  Closure  $callback
+	 * @param  string  $name
+	 * @param  mixed   $callback
 	 * @return void
 	 */
-	public static function filter($name, Closure $callback)
+	public static function filter($name, $callback)
 	{
 		Filter::register($name, $callback);
 	}