A few more fixes for autoloading and locating paths to Doctrine components.

lib/Doctrine.php

@@ -1075,17 +1075,9 @@ final class Doctrine
             self::$_path = dirname(__FILE__);
         }
 
-        $findPattern = self::$_path . DIRECTORY_SEPARATOR . '*' . DIRECTORY_SEPARATOR . str_replace('_', DIRECTORY_SEPARATOR, str_replace('Doctrine_', '', $className)) . '.php';
-
-        $matches = glob($findPattern);
-
-        if ( ! isset($matches[0])) {
-            return false;
-        }
-
-        $class = $matches[0];
+        $class = self::locate($className . '.php');
         
-        if (file_exists($class)) {
+        if ($class && file_exists($class)) {
             require $class;
 
             return true;
@@ -1101,6 +1093,19 @@ final class Doctrine
 
         return false;
     }
+    
+    public static function locate($name)
+    {
+        $findPattern = self::$_path . DIRECTORY_SEPARATOR . '*' . DIRECTORY_SEPARATOR . str_replace('_', DIRECTORY_SEPARATOR, str_replace('Doctrine_', '', $name));
+
+        $matches = glob($findPattern);
+
+        if ( isset($matches[0])) {
+            return $matches[0];
+        } else {
+            return false;
+        }
+    }
 
     /**
      * dump

lib/orm/Lib.php

@@ -329,7 +329,7 @@ class Doctrine_Lib
     {
         $validators = array();
 
-        $dir = Doctrine::getPath() . DIRECTORY_SEPARATOR . 'Doctrine' . DIRECTORY_SEPARATOR . 'Validator';
+        $dir = Doctrine::locate('Doctrine_Validator');
 
         $files = new RecursiveIteratorIterator(new RecursiveDirectoryIterator($dir), RecursiveIteratorIterator::LEAVES_ONLY);
         foreach ($files as $file) {