diff options
Diffstat (limited to 'public/system/library/template/Twig/Cache/Filesystem.php')
-rw-r--r-- | public/system/library/template/Twig/Cache/Filesystem.php | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/public/system/library/template/Twig/Cache/Filesystem.php b/public/system/library/template/Twig/Cache/Filesystem.php new file mode 100644 index 0000000..9e70ca9 --- /dev/null +++ b/public/system/library/template/Twig/Cache/Filesystem.php @@ -0,0 +1,98 @@ +<?php + +/* + * This file is part of Twig. + * + * (c) 2015 Fabien Potencier + * + * For the full copyright and license information, please view the LICENSE + * file that was distributed with this source code. + */ + +/** + * Implements a cache on the filesystem. + * + * @author Andrew Tch <andrew@noop.lv> + */ +class Twig_Cache_Filesystem implements Twig_CacheInterface +{ + const FORCE_BYTECODE_INVALIDATION = 1; + + private $directory; + private $options; + + /** + * @param $directory string The root cache directory + * @param $options int A set of options + */ + public function __construct($directory, $options = 0) + { + $this->directory = rtrim($directory, '\/').'/'; + $this->options = $options; + } + + /** + * {@inheritdoc} + */ + public function generateKey($name, $className) + { + $hash = hash('sha256', $className); + + return $this->directory.$hash[0].$hash[1].'/'.$hash.'.php'; + } + + /** + * {@inheritdoc} + */ + public function load($key) + { + if (file_exists($key)) { + @include_once $key; + } + } + + /** + * {@inheritdoc} + */ + public function write($key, $content) + { + $dir = dirname($key); + if (!is_dir($dir)) { + if (false === @mkdir($dir, 0777, true) && !is_dir($dir)) { + throw new RuntimeException(sprintf('Unable to create the cache directory (%s).', $dir)); + } + } elseif (!is_writable($dir)) { + throw new RuntimeException(sprintf('Unable to write in the cache directory (%s).', $dir)); + } + + $tmpFile = tempnam($dir, basename($key)); + if (false !== @file_put_contents($tmpFile, $content) && @rename($tmpFile, $key)) { + @chmod($key, 0666 & ~umask()); + + if (self::FORCE_BYTECODE_INVALIDATION == ($this->options & self::FORCE_BYTECODE_INVALIDATION)) { + // Compile cached file into bytecode cache + if (function_exists('opcache_invalidate')) { + opcache_invalidate($key, true); + } elseif (function_exists('apc_compile_file')) { + apc_compile_file($key); + } + } + + return; + } + + throw new RuntimeException(sprintf('Failed to write cache file "%s".', $key)); + } + + /** + * {@inheritdoc} + */ + public function getTimestamp($key) + { + if (!file_exists($key)) { + return 0; + } + + return (int) @filemtime($key); + } +} |