--- /dev/null
+<?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) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license http://framework.zend.com/license/new-bsd New BSD License
+ * @version $Id: Cache.php 24656 2012-02-26 06:02:53Z adamlundrigan $
+ */
+
+
+/**
+ * @package Zend_Cache
+ * @copyright Copyright (c) 2005-2012 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 realpath(dirname(__FILE__).'/..').DIRECTORY_SEPARATOR.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 realpath(dirname(__FILE__).'/..').DIRECTORY_SEPARATOR.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;
+ }
+
+}
projects / github / wallabag / wallabag.git / blobdiff