Current File : /home/tjamichg/cursos.tjamich.gob.mx/vendor/symfony/twig-bundle/CacheWarmer/TemplateCacheWarmer.php
<?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\CacheWarmer;
use Symfony\Component\DependencyInjection\ContainerInterface;
use Symfony\Component\HttpKernel\CacheWarmer\CacheWarmerInterface;
use Twig\Environment;
use Twig\Error\Error;
/**
* Generates the Twig cache for all templates.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class TemplateCacheWarmer implements CacheWarmerInterface
{
private $container;
private $twig;
private $iterator;
/**
* TemplateCacheWarmer constructor.
*
* @param ContainerInterface|Environment $container
* @param \Traversable $iterator
*/
public function __construct($container, \Traversable $iterator)
{
// As this cache warmer is optional, dependencies should be lazy-loaded, that's why a container should be injected.
if ($container instanceof ContainerInterface) {
$this->container = $container;
} elseif ($container instanceof Environment) {
$this->twig = $container;
} else {
throw new \InvalidArgumentException(sprintf('%s only accepts instance of Symfony\Component\DependencyInjection\ContainerInterface or Environment as first argument.', __CLASS__));
}
$this->iterator = $iterator;
}
/**
* {@inheritdoc}
*/
public function warmUp($cacheDir)
{
if (null === $this->twig) {
$this->twig = $this->container->get('twig');
}
foreach ($this->iterator as $template) {
try {
$this->twig->loadTemplate($template);
} catch (Error $e) {
// problem during compilation, give up
// might be a syntax error or a non-Twig template
}
}
}
/**
* {@inheritdoc}
*/
public function isOptional()
{
return true;
}
}
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