adding support for filter patterns.

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

laravel/routing/filter.php

@@ -13,6 +13,13 @@ class Filter {
 	 */
 	public static $filters = array();
 
+	/**
+	 * The route filters that are based on pattern.
+	 *
+	 * @var array
+	 */
+	public static $patterns = array();
+
 	/**
 	 * All of the registered filter aliases.
 	 *
@@ -39,8 +46,18 @@ class Filter {
 	{
 		if (isset(static::$aliases[$name])) $name = static::$aliases[$name];
 
+		if (starts_with($name, 'pattern: '))
+		{
+			foreach (explode(', ', substr($name, 9)) as $pattern)
+			{
+				static::$patterns[$pattern] = $callback;
+			}
+		}
+		else
+		{
 			static::$filters[$name] = $callback;
 		}
+	}
 
 	/**
 	 * Alias a filter so it can be used by another name.

laravel/uri.php

@@ -116,10 +116,13 @@ class URI {
 	 * Determine if the current URI matches a given pattern.
 	 *
 	 * @param  string  $pattern
+	 * @param  string  $uri
 	 * @return bool
 	 */
-	public static function is($pattern)
+	public static function is($pattern, $uri = null)
 	{
+		$uri = $uri ?: static::current();
+
 		// Asterisks are translated into zero-or-more regular expression wildcards
 		// to make it convenient to check if the URI starts with a given pattern
 		// such as "library/*". This is only done when not root.
@@ -132,7 +135,7 @@ class URI {
 			$pattern = '^/$';
 		}
 
-		return preg_match('#'.$pattern.'#', static::current());
+		return preg_match('#'.$pattern.'#', $uri);
 	}
 
 	/**