<?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\Component\Templating\Loader;

use Symfony\Component\Templating\Storage\Storage;
use Symfony\Component\Templating\Storage\FileStorage;
use Symfony\Component\Templating\TemplateReferenceInterface;

/**
 * CacheLoader is a loader that caches other loaders responses
 * on the filesystem.
 *
 * This cache only caches on disk to allow PHP accelerators to cache the opcodes.
 * All other mechanism would imply the use of `eval()`.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
class CacheLoader extends Loader
{
    protected $loader;
    protected $dir;

    /**
     * @param LoaderInterface $loader A Loader instance
     * @param string          $dir    The directory where to store the cache files
     */
    public function __construct(LoaderInterface $loader, $dir)
    {
        $this->loader = $loader;
        $this->dir = $dir;
    }

    /**
     * Loads a template.
     *
     * @return Storage|bool false if the template cannot be loaded, a Storage instance otherwise
     */
    public function load(TemplateReferenceInterface $template)
    {
        $key = hash('sha256', $template->getLogicalName());
        $dir = $this->dir.DIRECTORY_SEPARATOR.substr($key, 0, 2);
        $file = substr($key, 2).'.tpl';
        $path = $dir.DIRECTORY_SEPARATOR.$file;

        if (is_file($path)) {
            if (null !== $this->logger) {
                $this->logger->debug('Fetching template from cache.', array('name' => $template->get('name')));
            }

            return new FileStorage($path);
        }

        if (false === $storage = $this->loader->load($template)) {
            return false;
        }

        $content = $storage->getContent();

        if (!is_dir($dir) && !@mkdir($dir, 0777, true) && !is_dir($dir)) {
            throw new \RuntimeException(sprintf('Cache Loader was not able to create directory "%s"', $dir));
        }

        file_put_contents($path, $content);

        if (null !== $this->logger) {
            $this->logger->debug('Storing template in cache.', array('name' => $template->get('name')));
        }

        return new FileStorage($path);
    }

    /**
     * Returns true if the template is still fresh.
     *
     * @param TemplateReferenceInterface $template A template
     * @param int                        $time     The last modification time of the cached template (timestamp)
     *
     * @return bool
     */
    public function isFresh(TemplateReferenceInterface $template, $time)
    {
        return $this->loader->isFresh($template, $time);
    }
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----Mjk3NzkxNTUyMTA1NDQwMSAxMTY1MzM1MDU1MjIzNzE4IDEwMzMwMzA1MTI2MDYwNjM=