/usr/share/php/Symfony/Bundle/TwigBundle/TwigEngine.php is in php-symfony-twig-bundle 2.3.21+dfsg-4+deb8u3.
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/*
* 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;
use Symfony\Bridge\Twig\TwigEngine as BaseEngine;
use Symfony\Bundle\FrameworkBundle\Templating\EngineInterface;
use Symfony\Bundle\FrameworkBundle\Templating\TemplateReference;
use Symfony\Component\Templating\TemplateNameParserInterface;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\Config\FileLocatorInterface;
/**
* This engine renders Twig templates.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class TwigEngine extends BaseEngine implements EngineInterface
{
protected $locator;
/**
* Constructor.
*
* @param \Twig_Environment $environment A \Twig_Environment instance
* @param TemplateNameParserInterface $parser A TemplateNameParserInterface instance
* @param FileLocatorInterface $locator A FileLocatorInterface instance
*/
public function __construct(\Twig_Environment $environment, TemplateNameParserInterface $parser, FileLocatorInterface $locator)
{
parent::__construct($environment, $parser);
$this->locator = $locator;
}
public function setDefaultEscapingStrategy($strategy)
{
$this->environment->getExtension('escaper')->setDefaultStrategy($strategy);
}
public function guessDefaultEscapingStrategy($filename)
{
// remove .twig
$filename = substr($filename, 0, -5);
// get the format
$format = substr($filename, strrpos($filename, '.') + 1);
if ('js' === $format) {
return 'js';
}
if ('txt' === $format) {
return false;
}
return 'html';
}
/**
* Renders a template.
*
* @param mixed $name A template name
* @param array $parameters An array of parameters to pass to the template
*
* @return string The evaluated template as a string
*
* @throws \InvalidArgumentException if the template does not exist
* @throws \RuntimeException if the template cannot be rendered
* @throws \Twig_Error
*/
public function render($name, array $parameters = array())
{
try {
return parent::render($name, $parameters);
} catch (\Twig_Error $e) {
if ($name instanceof TemplateReference) {
try {
// try to get the real file name of the template where the error occurred
$e->setTemplateFile(sprintf('%s', $this->locator->locate($this->parser->parse($e->getTemplateFile()))));
} catch (\Exception $ex) {
}
}
throw $e;
}
}
/**
* Renders a view and returns a Response.
*
* @param string $view The view name
* @param array $parameters An array of parameters to pass to the view
* @param Response $response A Response instance
*
* @return Response A Response instance
*/
public function renderResponse($view, array $parameters = array(), Response $response = null)
{
if (null === $response) {
$response = new Response();
}
$response->setContent($this->render($view, $parameters));
return $response;
}
}
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