--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vendor/symfony/src/Symfony/Component/Config/Loader/FileLoader.php	Sat Sep 24 15:40:41 2011 +0200
@@ -0,0 +1,93 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Config\Loader;
+
+use Symfony\Component\Config\FileLocatorInterface;
+use Symfony\Component\Config\Exception\FileLoaderLoadException;
+use Symfony\Component\Config\Exception\FileLoaderImportCircularReferenceException;
+
+/**
+ * FileLoader is the abstract class used by all built-in loaders that are file based.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+abstract class FileLoader extends Loader
+{
+    static protected $loading = array();
+
+    protected $locator;
+
+    private $currentDir;
+
+    /**
+     * Constructor.
+     *
+     * @param FileLocatorInterface $locator A FileLocatorInterface instance
+     */
+    public function __construct(FileLocatorInterface $locator)
+    {
+        $this->locator = $locator;
+    }
+
+    public function setCurrentDir($dir)
+    {
+        $this->currentDir = $dir;
+    }
+
+    public function getLocator()
+    {
+        return $this->locator;
+    }
+
+    /**
+     * Imports a resource.
+     *
+     * @param mixed   $resource       A Resource
+     * @param string  $type           The resource type
+     * @param Boolean $ignoreErrors   Whether to ignore import errors or not
+     * @param string  $sourceResource The original resource importing the new resource
+     *
+     * @return mixed
+     */
+    public function import($resource, $type = null, $ignoreErrors = false, $sourceResource = null)
+    {
+        try {
+            $loader = $this->resolve($resource, $type);
+
+            if ($loader instanceof FileLoader && null !== $this->currentDir) {
+                $resource = $this->locator->locate($resource, $this->currentDir);
+            }
+
+            if (isset(self::$loading[$resource])) {
+                throw new FileLoaderImportCircularReferenceException(array_keys(self::$loading));
+            }
+            self::$loading[$resource] = true;
+
+            $ret = $loader->load($resource);
+
+            unset(self::$loading[$resource]);
+
+            return $ret;
+        } catch (FileLoaderImportCircularReferenceException $e) {
+            throw $e;
+        } catch (\Exception $e) {
+            if (!$ignoreErrors) {
+                // prevent embedded imports from nesting multiple exceptions
+                if ($e instanceof FileLoaderLoadException) {
+                    throw $e;
+                }
+
+                throw new FileLoaderLoadException($resource, $sourceResource, null, $e);
+            }
+        }
+    }
+}