--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/web/enmi/Zend/Session/Abstract.php Thu Jan 20 19:30:54 2011 +0100
@@ -0,0 +1,185 @@
+<?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_Session
+ * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license http://framework.zend.com/license/new-bsd New BSD License
+ * @version $Id: Abstract.php 20096 2010-01-06 02:05:09Z bkarwin $
+ * @since Preview Release 0.2
+ */
+
+
+/**
+ * Zend_Session_Abstract
+ *
+ * @category Zend
+ * @package Zend_Session
+ * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license http://framework.zend.com/license/new-bsd New BSD License
+ */
+abstract class Zend_Session_Abstract
+{
+ /**
+ * Whether or not session permits writing (modification of $_SESSION[])
+ *
+ * @var bool
+ */
+ protected static $_writable = false;
+
+ /**
+ * Whether or not session permits reading (reading data in $_SESSION[])
+ *
+ * @var bool
+ */
+ protected static $_readable = false;
+
+ /**
+ * Since expiring data is handled at startup to avoid __destruct difficulties,
+ * the data that will be expiring at end of this request is held here
+ *
+ * @var array
+ */
+ protected static $_expiringData = array();
+
+
+ /**
+ * Error message thrown when an action requires modification,
+ * but current Zend_Session has been marked as read-only.
+ */
+ const _THROW_NOT_WRITABLE_MSG = 'Zend_Session is currently marked as read-only.';
+
+
+ /**
+ * Error message thrown when an action requires reading session data,
+ * but current Zend_Session is not marked as readable.
+ */
+ const _THROW_NOT_READABLE_MSG = 'Zend_Session is not marked as readable.';
+
+
+ /**
+ * namespaceIsset() - check to see if a namespace or a variable within a namespace is set
+ *
+ * @param string $namespace
+ * @param string $name
+ * @return bool
+ */
+ protected static function _namespaceIsset($namespace, $name = null)
+ {
+ if (self::$_readable === false) {
+ /**
+ * @see Zend_Session_Exception
+ */
+ require_once 'Zend/Session/Exception.php';
+ throw new Zend_Session_Exception(self::_THROW_NOT_READABLE_MSG);
+ }
+
+ if ($name === null) {
+ return ( isset($_SESSION[$namespace]) || isset(self::$_expiringData[$namespace]) );
+ } else {
+ return ( isset($_SESSION[$namespace][$name]) || isset(self::$_expiringData[$namespace][$name]) );
+ }
+ }
+
+
+ /**
+ * namespaceUnset() - unset a namespace or a variable within a namespace
+ *
+ * @param string $namespace
+ * @param string $name
+ * @throws Zend_Session_Exception
+ * @return void
+ */
+ protected static function _namespaceUnset($namespace, $name = null)
+ {
+ if (self::$_writable === false) {
+ /**
+ * @see Zend_Session_Exception
+ */
+ require_once 'Zend/Session/Exception.php';
+ throw new Zend_Session_Exception(self::_THROW_NOT_WRITABLE_MSG);
+ }
+
+ $name = (string) $name;
+
+ // check to see if the api wanted to remove a var from a namespace or a namespace
+ if ($name === '') {
+ unset($_SESSION[$namespace]);
+ unset(self::$_expiringData[$namespace]);
+ } else {
+ unset($_SESSION[$namespace][$name]);
+ unset(self::$_expiringData[$namespace]);
+ }
+
+ // if we remove the last value, remove namespace.
+ if (empty($_SESSION[$namespace])) {
+ unset($_SESSION[$namespace]);
+ }
+ }
+
+
+ /**
+ * namespaceGet() - Get $name variable from $namespace, returning by reference.
+ *
+ * @param string $namespace
+ * @param string $name
+ * @return mixed
+ */
+ protected static function & _namespaceGet($namespace, $name = null)
+ {
+ if (self::$_readable === false) {
+ /**
+ * @see Zend_Session_Exception
+ */
+ require_once 'Zend/Session/Exception.php';
+ throw new Zend_Session_Exception(self::_THROW_NOT_READABLE_MSG);
+ }
+
+ if ($name === null) {
+ if (isset($_SESSION[$namespace])) { // check session first for data requested
+ return $_SESSION[$namespace];
+ } elseif (isset(self::$_expiringData[$namespace])) { // check expiring data for data reqeusted
+ return self::$_expiringData[$namespace];
+ } else {
+ return $_SESSION[$namespace]; // satisfy return by reference
+ }
+ } else {
+ if (isset($_SESSION[$namespace][$name])) { // check session first
+ return $_SESSION[$namespace][$name];
+ } elseif (isset(self::$_expiringData[$namespace][$name])) { // check expiring data
+ return self::$_expiringData[$namespace][$name];
+ } else {
+ return $_SESSION[$namespace][$name]; // satisfy return by reference
+ }
+ }
+ }
+
+
+ /**
+ * namespaceGetAll() - Get an array containing $namespace, including expiring data.
+ *
+ * @param string $namespace
+ * @param string $name
+ * @return mixed
+ */
+ protected static function _namespaceGetAll($namespace)
+ {
+ $currentData = (isset($_SESSION[$namespace]) && is_array($_SESSION[$namespace])) ?
+ $_SESSION[$namespace] : array();
+ $expiringData = (isset(self::$_expiringData[$namespace]) && is_array(self::$_expiringData[$namespace])) ?
+ self::$_expiringData[$namespace] : array();
+ return array_merge($currentData, $expiringData);
+ }
+}