/
CachedTemplateLocator.php
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/
CachedTemplateLocator.php
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<?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\FrameworkBundle\Templating\Loader;
use Symfony\Component\Config\FileLocatorInterface;
use Symfony\Component\Templating\TemplateReferenceInterface;
/**
* CachedTemplateLocator locates templates in the cache.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class CachedTemplateLocator extends TemplateLocator
{
protected $templates;
/**
* Constructor.
*
* @param string $cacheDir The cache path
* @param FileLocatorInterface $locator A FileLocatorInterface instance
* @param string $path A global fallback path
*/
public function __construct($cacheDir, FileLocatorInterface $locator, $path)
{
if (!file_exists($cache = $cacheDir.'/templates.php')) {
throw new \RuntimeException(sprintf('The template locator cache is not warmed up (%s).', $cache));
}
$this->templates = require $cache;
parent::__construct($locator, $path);
}
/**
* Returns a full path for a given file.
*
* @param TemplateReferenceInterface $template The template
* @param string $currentPath Unused
* @param Boolean $first Unused
*
* @return string The full path for the file
*
* @throws \InvalidArgumentException When file is not found
*/
public function locate($template, $currentPath = null, $first = true)
{
$key = $template->getSignature();
$path = $this->getCachedTemplatePath($key);
return $path === null ? parent::locate($template) : $path;
}
/**
* Returns the template path from the cache
*
* @param string $key The template signature
*
* @return string|null The path when it is present in the call, false otherwise
*/
protected function getCachedTemplatePath($key)
{
return isset($this->templates[$key]) ? $this->templates[$key] : null;
}
}