<?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\Config;

/**
* Basic implementation of ConfigCacheFactoryInterface that
* creates an instance of the default ConfigCache.
*
* This factory and/or cache <em>do not</em> support cache validation
* by means of ResourceChecker instances (that is, service-based).
*
* @author Matthias Pigulla <mp@webfactory.de>
*/
class ConfigCacheFactory implements ConfigCacheFactoryInterface
{
private $debug;

/**
* @param bool $debug The debug flag to pass to ConfigCache
*/
public function __construct(bool $debug)
{
$this->debug = $debug;
}

/**
* {@inheritdoc}
*/
public function cache($file, $callback)
{
if (!\is_callable($callback)) {
throw new \InvalidArgumentException(sprintf('Invalid type for callback argument. Expected callable, but got "%s".', \gettype($callback)));
}

$cache = new ConfigCache($file, $this->debug);
if (!$cache->isFresh()) {
$callback($cache);
}

return $cache;
}
}