init without trunk

vendor/gedmo/doctrine-extensions/lib/Gedmo/Mapping/Driver/Chain.php

@@ -0,0 +1,103 @@
+<?php
+
+namespace Gedmo\Mapping\Driver;
+
+use Gedmo\Mapping\Driver;
+
+/**
+ * The chain mapping driver enables chained
+ * extension mapping driver support
+ *
+ * @author Gediminas Morkevicius <gediminas.morkevicius@gmail.com>
+ * @license MIT License (http://www.opensource.org/licenses/mit-license.php)
+ */
+class Chain implements Driver
+{
+    /**
+     * The default driver
+     *
+     * @var Driver|null
+     */
+    private $defaultDriver;
+
+    /**
+     * List of drivers nested
+     * @var Driver[]
+     */
+    private $_drivers = array();
+
+    /**
+     * Add a nested driver.
+     *
+     * @param Driver $nestedDriver
+     * @param string $namespace
+     */
+    public function addDriver(Driver $nestedDriver, $namespace)
+    {
+        $this->_drivers[$namespace] = $nestedDriver;
+    }
+
+    /**
+     * Get the array of nested drivers.
+     *
+     * @return Driver[] $drivers
+     */
+    public function getDrivers()
+    {
+        return $this->_drivers;
+    }
+
+    /**
+     * Get the default driver.
+     *
+     * @return Driver|null
+     */
+    public function getDefaultDriver()
+    {
+        return $this->defaultDriver;
+    }
+
+    /**
+     * Set the default driver.
+     *
+     * @param Driver $driver
+     */
+    public function setDefaultDriver(Driver $driver)
+    {
+        $this->defaultDriver = $driver;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function readExtendedMetadata($meta, array &$config)
+    {
+        foreach ($this->_drivers as $namespace => $driver) {
+            if (strpos($meta->name, $namespace) === 0) {
+                $driver->readExtendedMetadata($meta, $config);
+
+                return;
+            }
+        }
+
+        if (null !== $this->defaultDriver) {
+            $this->defaultDriver->readExtendedMetadata($meta, $config);
+
+            return;
+        }
+
+        // commenting it for customized mapping support, debugging of such cases might get harder
+        //throw new \Gedmo\Exception\UnexpectedValueException('Class ' . $meta->name . ' is not a valid entity or mapped super class.');
+    }
+
+    /**
+     * Passes in the mapping read by original driver
+     *
+     * @param $driver
+     * @return void
+     */
+    public function setOriginalDriver($driver)
+    {
+        //not needed here
+    }
+}