/usr/share/php/Symfony/Bundle/FrameworkBundle/Templating/DelegatingEngine.php is in php-symfony-framework-bundle 2.8.7+dfsg-1.3+deb9u1.
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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\FrameworkBundle\Templating;
use Symfony\Component\Templating\DelegatingEngine as BaseDelegatingEngine;
use Symfony\Component\DependencyInjection\ContainerInterface;
use Symfony\Component\HttpFoundation\Response;
/**
* DelegatingEngine selects an engine for a given template.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class DelegatingEngine extends BaseDelegatingEngine implements EngineInterface
{
protected $container;
/**
* Constructor.
*
* @param ContainerInterface $container The DI container
* @param array $engineIds An array of engine Ids
*/
public function __construct(ContainerInterface $container, array $engineIds)
{
$this->container = $container;
$this->engines = $engineIds;
}
/**
* {@inheritdoc}
*/
public function getEngine($name)
{
$this->resolveEngines();
return parent::getEngine($name);
}
/**
* {@inheritdoc}
*/
public function renderResponse($view, array $parameters = array(), Response $response = null)
{
$engine = $this->getEngine($view);
if ($engine instanceof EngineInterface) {
return $engine->renderResponse($view, $parameters, $response);
}
if (null === $response) {
$response = new Response();
}
$response->setContent($engine->render($view, $parameters));
return $response;
}
/**
* Resolved engine ids to their real engine instances from the container.
*/
private function resolveEngines()
{
foreach ($this->engines as $i => $engine) {
if (is_string($engine)) {
$this->engines[$i] = $this->container->get($engine);
}
}
}
}
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