Source of file ConfigCache.php
Size: 3,108 Bytes - Last Modified: 2013-06-02T00:13:43+02:00
/home/theseer/Downloads/Symfony/vendor/kriswallsmith/assetic/src/Assetic/Cache/ConfigCache.php
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124 | <?php /* * This file is part of the Assetic package, an OpenSky project. * * (c) 2010-2013 OpenSky Project Inc * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Assetic\Cache; /** * A config cache stores values using var_export() and include. * * @author Kris Wallsmith <kris.wallsmith@gmail.com> */ class ConfigCache { private $dir; /** * Construct. * * @param string $dir The cache directory */ public function __construct($dir) { $this->dir = $dir; } /** * Checks of the cache has a file. * * @param string $resource A cache key * * @return Boolean True if a file exists */ public function has($resource) { return file_exists($this->getSourcePath($resource)); } /** * Writes a value to a file. * * @param string $resource A cache key * @param mixed $value A value to cache */ public function set($resource, $value) { $path = $this->getSourcePath($resource); if (!is_dir($dir = dirname($path)) && false === @mkdir($dir, 0777, true)) { // @codeCoverageIgnoreStart throw new \RuntimeException('Unable to create directory '.$dir); // @codeCoverageIgnoreEnd } if (false === @file_put_contents($path, sprintf("<?php\n\n// $resource\nreturn %s;\n", var_export($value, true)))) { // @codeCoverageIgnoreStart throw new \RuntimeException('Unable to write file '.$path); // @codeCoverageIgnoreEnd } } /** * Loads and returns the value for the supplied cache key. * * @param string $resource A cache key * * @return mixed The cached value */ public function get($resource) { $path = $this->getSourcePath($resource); if (!file_exists($path)) { throw new \RuntimeException('There is no cached value for '.$resource); } return include $path; } /** * Returns a timestamp for when the cache was created. * * @param string $resource A cache key * * @return integer A UNIX timestamp */ public function getTimestamp($resource) { $path = $this->getSourcePath($resource); if (!file_exists($path)) { throw new \RuntimeException('There is no cached value for '.$resource); } if (false === $mtime = @filemtime($path)) { // @codeCoverageIgnoreStart throw new \RuntimeException('Unable to determine file mtime for '.$path); // @codeCoverageIgnoreEnd } return $mtime; } /** * Returns the path where the file corresponding to the supplied cache key can be included from. * * @param string $resource A cache key * * @return string A file path */ private function getSourcePath($resource) { $key = md5($resource); return $this->dir.'/'.$key[0].'/'.$key.'.php'; } } |