diff -r 000000000000 -r 7f95f8617b0b vendor/symfony/src/Symfony/Component/Form/ReversedTransformer.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vendor/symfony/src/Symfony/Component/Form/ReversedTransformer.php	Sat Sep 24 15:40:41 2011 +0200
@@ -0,0 +1,55 @@
+<?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\Form;
+
+/**
+ * Reverses a transformer
+ *
+ * When the transform() method is called, the reversed transformer's
+ * reverseTransform() method is called and vice versa.
+ *
+ * @author Bernhard Schussek <bernhard.schussek@symfony.com>
+ */
+class ReversedTransformer implements DataTransformerInterface
+{
+    /**
+     * The reversed transformer
+     * @var DataTransformerInterface
+     */
+    protected $reversedTransformer;
+
+    /**
+     * Reverses this transformer
+     *
+     * @param DataTransformerInterface $reversedTransformer
+     */
+    public function __construct(DataTransformerInterface $reversedTransformer)
+    {
+        $this->reversedTransformer = $reversedTransformer;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function transform($value)
+    {
+        return $this->reversedTransformer->reverseTransform($value);
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function reverseTransform($value)
+    {
+        return $this->reversedTransformer->transform($value);
+    }
+}