Added vendor/ directory for Composer's installed files

vendor/symfony/translation/Loader/JsonFileLoader.php

@@ -0,0 +1,81 @@
+<?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\Translation\Loader;
+
+use Symfony\Component\Translation\Exception\InvalidResourceException;
+use Symfony\Component\Translation\Exception\NotFoundResourceException;
+use Symfony\Component\Config\Resource\FileResource;
+
+/**
+ * JsonFileLoader loads translations from an json file.
+ *
+ * @author singles
+ */
+class JsonFileLoader extends ArrayLoader implements LoaderInterface
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function load($resource, $locale, $domain = 'messages')
+    {
+        if (!stream_is_local($resource)) {
+            throw new InvalidResourceException(sprintf('This is not a local file "%s".', $resource));
+        }
+
+        if (!file_exists($resource)) {
+            throw new NotFoundResourceException(sprintf('File "%s" not found.', $resource));
+        }
+
+        $messages = array();
+        if ($data = file_get_contents($resource)) {
+            $messages = json_decode($data, true);
+
+            if (0 < $errorCode = json_last_error()) {
+                throw new InvalidResourceException(sprintf('Error parsing JSON - %s', $this->getJSONErrorMessage($errorCode)));
+            }
+        }
+
+        if (null === $messages) {
+            $messages = array();
+        }
+
+        $catalogue = parent::load($messages, $locale, $domain);
+        $catalogue->addResource(new FileResource($resource));
+
+        return $catalogue;
+    }
+
+    /**
+     * Translates JSON_ERROR_* constant into meaningful message.
+     *
+     * @param int $errorCode Error code returned by json_last_error() call
+     *
+     * @return string Message string
+     */
+    private function getJSONErrorMessage($errorCode)
+    {
+        switch ($errorCode) {
+            case JSON_ERROR_DEPTH:
+                return 'Maximum stack depth exceeded';
+            case JSON_ERROR_STATE_MISMATCH:
+                return 'Underflow or the modes mismatch';
+            case JSON_ERROR_CTRL_CHAR:
+                return 'Unexpected control character found';
+            case JSON_ERROR_SYNTAX:
+                return 'Syntax error, malformed JSON';
+            case JSON_ERROR_UTF8:
+                return 'Malformed UTF-8 characters, possibly incorrectly encoded';
+            default:
+                return 'Unknown error';
+        }
+    }
+}