Actualización

vendor/symfony/framework-bundle/Templating/Loader/FilesystemLoader.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\Bundle\FrameworkBundle\Templating\Loader;
+
+use Symfony\Component\Templating\Storage\FileStorage;
+use Symfony\Component\Templating\Loader\LoaderInterface;
+use Symfony\Component\Config\FileLocatorInterface;
+use Symfony\Component\Templating\TemplateReferenceInterface;
+
+/**
+ * FilesystemLoader is a loader that read templates from the filesystem.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class FilesystemLoader implements LoaderInterface
+{
+    protected $locator;
+
+    /**
+     * Constructor.
+     *
+     * @param FileLocatorInterface $locator A FileLocatorInterface instance
+     */
+    public function __construct(FileLocatorInterface $locator)
+    {
+        $this->locator = $locator;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function load(TemplateReferenceInterface $template)
+    {
+        try {
+            $file = $this->locator->locate($template);
+        } catch (\InvalidArgumentException $e) {
+            return false;
+        }
+
+        return new FileStorage($file);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function isFresh(TemplateReferenceInterface $template, $time)
+    {
+        if (false === $storage = $this->load($template)) {
+            return false;
+        }
+
+        if (!is_readable((string) $storage)) {
+            return false;
+        }
+
+        return filemtime((string) $storage) < $time;
+    }
+}