79 lines
2.2 KiB
PHP
79 lines
2.2 KiB
PHP
<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Bundle\TwigBundle\CacheWarmer;
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use Symfony\Component\HttpKernel\CacheWarmer\CacheWarmerInterface;
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use Symfony\Component\DependencyInjection\ContainerInterface;
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use Symfony\Bundle\FrameworkBundle\CacheWarmer\TemplateFinderInterface;
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/**
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* Generates the Twig cache for all templates.
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*
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* This warmer must be registered after TemplatePathsCacheWarmer,
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* as the Twig loader will need the cache generated by it.
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*
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* @author Fabien Potencier <fabien@symfony.com>
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*/
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class TemplateCacheCacheWarmer implements CacheWarmerInterface
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{
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protected $container;
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protected $warmer;
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/**
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* Constructor.
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*
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* @param ContainerInterface $container The dependency injection container
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* @param TemplateFinderInterface $finder The template paths cache warmer
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*/
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public function __construct(ContainerInterface $container, TemplateFinderInterface $finder)
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{
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// We don't inject the Twig environment directly as it depends on the
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// template locator (via the loader) which might be a cached one.
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// The cached template locator is available once the TemplatePathsCacheWarmer
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// has been warmed up
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$this->container = $container;
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$this->finder = $finder;
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}
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/**
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* Warms up the cache.
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*
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* @param string $cacheDir The cache directory
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*/
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public function warmUp($cacheDir)
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{
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$twig = $this->container->get('twig');
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foreach ($this->finder->findAllTemplates() as $template) {
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if ('twig' !== $template->get('engine')) {
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continue;
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}
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try {
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$twig->loadTemplate($template);
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} catch (\Twig_Error $e) {
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// problem during compilation, give up
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}
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}
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}
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/**
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* Checks whether this warmer is optional or not.
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*
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* @return Boolean always true
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*/
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public function isOptional()
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{
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return true;
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}
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}
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