twig implementation

vendor/symfony/twig-bridge/Symfony/Bridge/Twig/Extension/YamlExtension.php

@@ -0,0 +1,67 @@
+<?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\Bridge\Twig\Extension;
+
+use Symfony\Component\Yaml\Dumper as YamlDumper;
+
+/**
+ * Provides integration of the Yaml component with Twig.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class YamlExtension extends \Twig_Extension
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function getFilters()
+    {
+        return array(
+            'yaml_encode' => new \Twig_Filter_Method($this, 'encode'),
+            'yaml_dump'   => new \Twig_Filter_Method($this, 'dump'),
+        );
+    }
+
+    public function encode($input, $inline = 0, $dumpObjects = false)
+    {
+        static $dumper;
+
+        if (null === $dumper) {
+            $dumper = new YamlDumper();
+        }
+
+        return $dumper->dump($input, $inline, false, $dumpObjects);
+    }
+
+    public function dump($value, $inline = 0, $dumpObjects = false)
+    {
+        if (is_resource($value)) {
+            return '%Resource%';
+        }
+
+        if (is_array($value) || is_object($value)) {
+            return '%'.gettype($value).'% '.$this->encode($value, $inline, $dumpObjects);
+        }
+
+        return $this->encode($value, $inline, $dumpObjects);
+    }
+
+    /**
+     * Returns the name of the extension.
+     *
+     * @return string The extension name
+     */
+    public function getName()
+    {
+        return 'yaml';
+    }
+}