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-rw-r--r--libs/Zend/Cache.php250
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diff --git a/libs/Zend/Cache.php b/libs/Zend/Cache.php
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-<?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
- * @copyright Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
- * @license http://framework.zend.com/license/new-bsd New BSD License
- * @version $Id: Cache.php 23775 2011-03-01 17:25:24Z ralph $
- */
-
-
-/**
- * @package Zend_Cache
- * @copyright Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
- * @license http://framework.zend.com/license/new-bsd New BSD License
- */
-abstract class Zend_Cache
-{
-
- /**
- * Standard frontends
- *
- * @var array
- */
- public static $standardFrontends = array('Core', 'Output', 'Class', 'File', 'Function', 'Page');
-
- /**
- * Standard backends
- *
- * @var array
- */
- public static $standardBackends = array('File', 'Sqlite', 'Memcached', 'Libmemcached', 'Apc', 'ZendPlatform',
- 'Xcache', 'TwoLevels', 'WinCache', 'ZendServer_Disk', 'ZendServer_ShMem');
-
- /**
- * Standard backends which implement the ExtendedInterface
- *
- * @var array
- */
- public static $standardExtendedBackends = array('File', 'Apc', 'TwoLevels', 'Memcached', 'Libmemcached', 'Sqlite', 'WinCache');
-
- /**
- * Only for backward compatibility (may be removed in next major release)
- *
- * @var array
- * @deprecated
- */
- public static $availableFrontends = array('Core', 'Output', 'Class', 'File', 'Function', 'Page');
-
- /**
- * Only for backward compatibility (may be removed in next major release)
- *
- * @var array
- * @deprecated
- */
- public static $availableBackends = array('File', 'Sqlite', 'Memcached', 'Libmemcached', 'Apc', 'ZendPlatform', 'Xcache', 'WinCache', 'TwoLevels');
-
- /**
- * Consts for clean() method
- */
- const CLEANING_MODE_ALL = 'all';
- const CLEANING_MODE_OLD = 'old';
- const CLEANING_MODE_MATCHING_TAG = 'matchingTag';
- const CLEANING_MODE_NOT_MATCHING_TAG = 'notMatchingTag';
- const CLEANING_MODE_MATCHING_ANY_TAG = 'matchingAnyTag';
-
- /**
- * Factory
- *
- * @param mixed $frontend frontend name (string) or Zend_Cache_Frontend_ object
- * @param mixed $backend backend name (string) or Zend_Cache_Backend_ object
- * @param array $frontendOptions associative array of options for the corresponding frontend constructor
- * @param array $backendOptions associative array of options for the corresponding backend constructor
- * @param boolean $customFrontendNaming if true, the frontend argument is used as a complete class name ; if false, the frontend argument is used as the end of "Zend_Cache_Frontend_[...]" class name
- * @param boolean $customBackendNaming if true, the backend argument is used as a complete class name ; if false, the backend argument is used as the end of "Zend_Cache_Backend_[...]" class name
- * @param boolean $autoload if true, there will no // require_once for backend and frontend (useful only for custom backends/frontends)
- * @throws Zend_Cache_Exception
- * @return Zend_Cache_Core|Zend_Cache_Frontend
- */
- public static function factory($frontend, $backend, $frontendOptions = array(), $backendOptions = array(), $customFrontendNaming = false, $customBackendNaming = false, $autoload = false)
- {
- if (is_string($backend)) {
- $backendObject = self::_makeBackend($backend, $backendOptions, $customBackendNaming, $autoload);
- } else {
- if ((is_object($backend)) && (in_array('Zend_Cache_Backend_Interface', class_implements($backend)))) {
- $backendObject = $backend;
- } else {
- self::throwException('backend must be a backend name (string) or an object which implements Zend_Cache_Backend_Interface');
- }
- }
- if (is_string($frontend)) {
- $frontendObject = self::_makeFrontend($frontend, $frontendOptions, $customFrontendNaming, $autoload);
- } else {
- if (is_object($frontend)) {
- $frontendObject = $frontend;
- } else {
- self::throwException('frontend must be a frontend name (string) or an object');
- }
- }
- $frontendObject->setBackend($backendObject);
- return $frontendObject;
- }
-
- /**
- * Backend Constructor
- *
- * @param string $backend
- * @param array $backendOptions
- * @param boolean $customBackendNaming
- * @param boolean $autoload
- * @return Zend_Cache_Backend
- */
- public static function _makeBackend($backend, $backendOptions, $customBackendNaming = false, $autoload = false)
- {
- if (!$customBackendNaming) {
- $backend = self::_normalizeName($backend);
- }
- if (in_array($backend, Zend_Cache::$standardBackends)) {
- // we use a standard backend
- $backendClass = 'Zend_Cache_Backend_' . $backend;
- // security controls are explicit
- // require_once str_replace('_', DIRECTORY_SEPARATOR, $backendClass) . '.php';
- } else {
- // we use a custom backend
- if (!preg_match('~^[\w]+$~D', $backend)) {
- Zend_Cache::throwException("Invalid backend name [$backend]");
- }
- if (!$customBackendNaming) {
- // we use this boolean to avoid an API break
- $backendClass = 'Zend_Cache_Backend_' . $backend;
- } else {
- $backendClass = $backend;
- }
- if (!$autoload) {
- $file = str_replace('_', DIRECTORY_SEPARATOR, $backendClass) . '.php';
- if (!(self::_isReadable($file))) {
- self::throwException("file $file not found in include_path");
- }
- // require_once $file;
- }
- }
- return new $backendClass($backendOptions);
- }
-
- /**
- * Frontend Constructor
- *
- * @param string $frontend
- * @param array $frontendOptions
- * @param boolean $customFrontendNaming
- * @param boolean $autoload
- * @return Zend_Cache_Core|Zend_Cache_Frontend
- */
- public static function _makeFrontend($frontend, $frontendOptions = array(), $customFrontendNaming = false, $autoload = false)
- {
- if (!$customFrontendNaming) {
- $frontend = self::_normalizeName($frontend);
- }
- if (in_array($frontend, self::$standardFrontends)) {
- // we use a standard frontend
- // For perfs reasons, with frontend == 'Core', we can interact with the Core itself
- $frontendClass = 'Zend_Cache_' . ($frontend != 'Core' ? 'Frontend_' : '') . $frontend;
- // security controls are explicit
- // require_once str_replace('_', DIRECTORY_SEPARATOR, $frontendClass) . '.php';
- } else {
- // we use a custom frontend
- if (!preg_match('~^[\w]+$~D', $frontend)) {
- Zend_Cache::throwException("Invalid frontend name [$frontend]");
- }
- if (!$customFrontendNaming) {
- // we use this boolean to avoid an API break
- $frontendClass = 'Zend_Cache_Frontend_' . $frontend;
- } else {
- $frontendClass = $frontend;
- }
- if (!$autoload) {
- $file = str_replace('_', DIRECTORY_SEPARATOR, $frontendClass) . '.php';
- if (!(self::_isReadable($file))) {
- self::throwException("file $file not found in include_path");
- }
- // require_once $file;
- }
- }
- return new $frontendClass($frontendOptions);
- }
-
- /**
- * Throw an exception
- *
- * Note : for perf reasons, the "load" of Zend/Cache/Exception is dynamic
- * @param string $msg Message for the exception
- * @throws Zend_Cache_Exception
- */
- public static function throwException($msg, Exception $e = null)
- {
- // For perfs reasons, we use this dynamic inclusion
- // require_once 'Zend/Cache/Exception.php';
- throw new Zend_Cache_Exception($msg, 0, $e);
- }
-
- /**
- * Normalize frontend and backend names to allow multiple words TitleCased
- *
- * @param string $name Name to normalize
- * @return string
- */
- protected static function _normalizeName($name)
- {
- $name = ucfirst(strtolower($name));
- $name = str_replace(array('-', '_', '.'), ' ', $name);
- $name = ucwords($name);
- $name = str_replace(' ', '', $name);
- if (stripos($name, 'ZendServer') === 0) {
- $name = 'ZendServer_' . substr($name, strlen('ZendServer'));
- }
-
- return $name;
- }
-
- /**
- * Returns TRUE if the $filename is readable, or FALSE otherwise.
- * This function uses the PHP include_path, where PHP's is_readable()
- * does not.
- *
- * Note : this method comes from Zend_Loader (see #ZF-2891 for details)
- *
- * @param string $filename
- * @return boolean
- */
- private static function _isReadable($filename)
- {
- if (!$fh = @fopen($filename, 'r', true)) {
- return false;
- }
- @fclose($fh);
- return true;
- }
-
-}
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