<?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\TwigBundle\Loader;
use Symfony\Component\Config\FileLocatorInterface;
use Symfony\Component\Templating\TemplateNameParserInterface;
use Symfony\Component\Templating\TemplateReferenceInterface;
/**
* FilesystemLoader extends the default Twig filesystem loader
* to work with the Symfony paths and template references.
* @author Fabien Potencier <fabien@symfony.com>
class FilesystemLoader extends \Twig_Loader_Filesystem
{
protected $locator;
protected $parser;
* Constructor.
* @param FileLocatorInterface $locator A FileLocatorInterface instance
* @param TemplateNameParserInterface $parser A TemplateNameParserInterface instance
* @param string|null $rootPath The root path common to all relative paths (null for getcwd())
public function __construct(FileLocatorInterface $locator, TemplateNameParserInterface $parser, $rootPath = null)
parent::__construct(array(), $rootPath);
$this->locator = $locator;
$this->parser = $parser;
}
* {@inheritdoc}
* The name parameter might also be a TemplateReferenceInterface.
public function exists($name)
return parent::exists((string) $name);
* Returns the path to the template file.
* The file locator is used to locate the template when the naming convention
* is the symfony one (i.e. the name can be parsed).
* Otherwise the template is located using the locator from the twig library.
* @param string|TemplateReferenceInterface $template The template
* @param bool $throw When true, a \Twig_Error_Loader exception will be thrown if a template could not be found
* @return string The path to the template file
* @throws \Twig_Error_Loader if the template could not be found
protected function findTemplate($template, $throw = true)
$logicalName = (string) $template;
if (isset($this->cache[$logicalName])) {
return $this->cache[$logicalName];
$file = null;
$previous = null;
try {
$file = parent::findTemplate($logicalName);
} catch (\Twig_Error_Loader $e) {
$twigLoaderException = $e;
// for BC
$template = $this->parser->parse($template);
$file = $this->locator->locate($template);
} catch (\Exception $e) {
if (false === $file || null === $file) {
if ($throw) {
throw $twigLoaderException;
return false;
return $this->cache[$logicalName] = $file;