diff options
Diffstat (limited to '')
| -rw-r--r-- | library/vendor/Zend/Cache/Frontend/File.php | 221 |
1 files changed, 221 insertions, 0 deletions
diff --git a/library/vendor/Zend/Cache/Frontend/File.php b/library/vendor/Zend/Cache/Frontend/File.php new file mode 100644 index 0000000..98cd5a3 --- /dev/null +++ b/library/vendor/Zend/Cache/Frontend/File.php @@ -0,0 +1,221 @@ +<?php +/** + * Zend Framework + * + * LICENSE + * + * This source file is subject to the new BSD license that is bundled + * with this package in the file LICENSE.txt. + * It is also available through the world-wide-web at this URL: + * http://framework.zend.com/license/new-bsd + * If you did not receive a copy of the license and are unable to + * obtain it through the world-wide-web, please send an email + * to license@zend.com so we can send you a copy immediately. + * + * @category Zend + * @package Zend_Cache + * @subpackage Zend_Cache_Frontend + * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com) + * @license http://framework.zend.com/license/new-bsd New BSD License + * @version $Id$ + */ + + +/** + * @see Zend_Cache_Core + */ + + +/** + * @package Zend_Cache + * @subpackage Zend_Cache_Frontend + * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com) + * @license http://framework.zend.com/license/new-bsd New BSD License + */ +class Zend_Cache_Frontend_File extends Zend_Cache_Core +{ + + /** + * Consts for master_files_mode + */ + const MODE_AND = 'AND'; + const MODE_OR = 'OR'; + + /** + * Available options + * + * ====> (string) master_file : + * - a complete path of the master file + * - deprecated (see master_files) + * + * ====> (array) master_files : + * - an array of complete path of master files + * - this option has to be set ! + * + * ====> (string) master_files_mode : + * - Zend_Cache_Frontend_File::MODE_AND or Zend_Cache_Frontend_File::MODE_OR + * - if MODE_AND, then all master files have to be touched to get a cache invalidation + * - if MODE_OR (default), then a single touched master file is enough to get a cache invalidation + * + * ====> (boolean) ignore_missing_master_files + * - if set to true, missing master files are ignored silently + * - if set to false (default), an exception is thrown if there is a missing master file + * @var array available options + */ + protected $_specificOptions = array( + 'master_file' => null, + 'master_files' => null, + 'master_files_mode' => 'OR', + 'ignore_missing_master_files' => false + ); + + /** + * Master file mtimes + * + * Array of int + * + * @var array + */ + private $_masterFile_mtimes = null; + + /** + * Constructor + * + * @param array $options Associative array of options + * @throws Zend_Cache_Exception + * @return void + */ + public function __construct(array $options = array()) + { + foreach ($options as $name => $value) { + $this->setOption($name, $value); + } + if (!isset($this->_specificOptions['master_files'])) { + Zend_Cache::throwException('master_files option must be set'); + } + } + + /** + * Change the master_files option + * + * @param array $masterFiles the complete paths and name of the master files + */ + public function setMasterFiles(array $masterFiles) + { + $this->_specificOptions['master_file'] = null; // to keep a compatibility + $this->_specificOptions['master_files'] = null; + $this->_masterFile_mtimes = array(); + + clearstatcache(); + $i = 0; + foreach ($masterFiles as $masterFile) { + if (file_exists($masterFile)) { + $mtime = filemtime($masterFile); + } else { + $mtime = false; + } + + if (!$this->_specificOptions['ignore_missing_master_files'] && !$mtime) { + Zend_Cache::throwException('Unable to read master_file : ' . $masterFile); + } + + $this->_masterFile_mtimes[$i] = $mtime; + $this->_specificOptions['master_files'][$i] = $masterFile; + if ($i === 0) { // to keep a compatibility + $this->_specificOptions['master_file'] = $masterFile; + } + + $i++; + } + } + + /** + * Change the master_file option + * + * To keep the compatibility + * + * @deprecated + * @param string $masterFile the complete path and name of the master file + */ + public function setMasterFile($masterFile) + { + $this->setMasterFiles(array($masterFile)); + } + + /** + * Public frontend to set an option + * + * Just a wrapper to get a specific behaviour for master_file + * + * @param string $name Name of the option + * @param mixed $value Value of the option + * @throws Zend_Cache_Exception + * @return void + */ + public function setOption($name, $value) + { + if ($name == 'master_file') { + $this->setMasterFile($value); + } else if ($name == 'master_files') { + $this->setMasterFiles($value); + } else { + parent::setOption($name, $value); + } + } + + /** + * Test if a cache is available for the given id and (if yes) return it (false else) + * + * @param string $id Cache id + * @param boolean $doNotTestCacheValidity If set to true, the cache validity won't be tested + * @param boolean $doNotUnserialize Do not serialize (even if automatic_serialization is true) => for internal use + * @return mixed|false Cached datas + */ + public function load($id, $doNotTestCacheValidity = false, $doNotUnserialize = false) + { + if (!$doNotTestCacheValidity) { + if ($this->test($id)) { + return parent::load($id, true, $doNotUnserialize); + } + return false; + } + return parent::load($id, true, $doNotUnserialize); + } + + /** + * Test if a cache is available for the given id + * + * @param string $id Cache id + * @return int|false Last modified time of cache entry if it is available, false otherwise + */ + public function test($id) + { + $lastModified = parent::test($id); + if ($lastModified) { + if ($this->_specificOptions['master_files_mode'] == self::MODE_AND) { + // MODE_AND + foreach($this->_masterFile_mtimes as $masterFileMTime) { + if ($masterFileMTime) { + if ($lastModified > $masterFileMTime) { + return $lastModified; + } + } + } + } else { + // MODE_OR + $res = true; + foreach($this->_masterFile_mtimes as $masterFileMTime) { + if ($masterFileMTime) { + if ($lastModified <= $masterFileMTime) { + return false; + } + } + } + return $lastModified; + } + } + return false; + } + +} + |