Actualización

vendor/symfony/framework-bundle/Templating/TemplateFilenameParser.php

@@ -0,0 +1,45 @@
+<?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\Bundle\FrameworkBundle\Templating;
+
+use Symfony\Component\Templating\TemplateNameParserInterface;
+use Symfony\Component\Templating\TemplateReferenceInterface;
+
+/**
+ * TemplateFilenameParser converts template filenames to
+ * TemplateReferenceInterface instances.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class TemplateFilenameParser implements TemplateNameParserInterface
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function parse($name)
+    {
+        if ($name instanceof TemplateReferenceInterface) {
+            return $name;
+        }
+
+        $parts = explode('/', str_replace('\\', '/', $name));
+
+        $elements = explode('.', array_pop($parts));
+        if (3 > count($elements)) {
+            return false;
+        }
+        $engine = array_pop($elements);
+        $format = array_pop($elements);
+
+        return new TemplateReference('', implode('/', $parts), implode('.', $elements), $format, $engine);
+    }
+}