Initial commit with Symfony 2.1+Vendors

Signed-off-by: Gergely POLONKAI (W00d5t0ck) <polesz@w00d5t0ck.info>

vendor/kriswallsmith/assetic/src/Assetic/Asset/AssetCollectionInterface.php

@@ -0,0 +1,53 @@
+<?php
+
+/*
+ * This file is part of the Assetic package, an OpenSky project.
+ *
+ * (c) 2010-2012 OpenSky Project Inc
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Assetic\Asset;
+
+/**
+ * An asset collection.
+ *
+ * @author Kris Wallsmith <kris.wallsmith@gmail.com>
+ */
+interface AssetCollectionInterface extends AssetInterface, \Traversable
+{
+    /**
+     * Returns all child assets.
+     *
+     * @return array An array of AssetInterface objects
+     */
+    function all();
+
+    /**
+     * Adds an asset to the current collection.
+     *
+     * @param AssetInterface $asset An asset
+     */
+    function add(AssetInterface $asset);
+
+    /**
+     * Removes a leaf.
+     *
+     * @param AssetInterface $needle The leaf to remove
+     *
+     * @throws InvalidArgumentException If the asset cannot be found
+     */
+    function removeLeaf(AssetInterface $leaf);
+
+    /**
+     * Replaces an existing leaf with a new one.
+     *
+     * @param AssetInterface $needle      The current asset to replace
+     * @param AssetInterface $replacement The new asset
+     *
+     * @throws InvalidArgumentException If the asset cannot be found
+     */
+    function replaceLeaf(AssetInterface $needle, AssetInterface $replacement);
+}