diff options
Diffstat (limited to 'admin/survey/excel/PHPExcel/CachedObjectStorageFactory.php')
| -rw-r--r-- | admin/survey/excel/PHPExcel/CachedObjectStorageFactory.php | 239 |
1 files changed, 239 insertions, 0 deletions
diff --git a/admin/survey/excel/PHPExcel/CachedObjectStorageFactory.php b/admin/survey/excel/PHPExcel/CachedObjectStorageFactory.php new file mode 100644 index 0000000..d523a20 --- /dev/null +++ b/admin/survey/excel/PHPExcel/CachedObjectStorageFactory.php @@ -0,0 +1,239 @@ +<?php
+
+/**
+ * PHPExcel
+ *
+ * Copyright (c) 2006 - 2012 PHPExcel
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ * @category PHPExcel
+ * @package PHPExcel
+ * @copyright Copyright (c) 2006 - 2012 PHPExcel (http://www.codeplex.com/PHPExcel)
+ * @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL
+ * @version 1.7.8, 2012-10-12
+ */
+
+
+/**
+ * PHPExcel_CachedObjectStorageFactory
+ *
+ * @category PHPExcel
+ * @package PHPExcel_CachedObjectStorage
+ * @copyright Copyright (c) 2006 - 2012 PHPExcel (http://www.codeplex.com/PHPExcel)
+ */
+class PHPExcel_CachedObjectStorageFactory
+{
+ const cache_in_memory = 'Memory';
+ const cache_in_memory_gzip = 'MemoryGZip';
+ const cache_in_memory_serialized = 'MemorySerialized';
+ const cache_igbinary = 'Igbinary';
+ const cache_to_discISAM = 'DiscISAM';
+ const cache_to_apc = 'APC';
+ const cache_to_memcache = 'Memcache';
+ const cache_to_phpTemp = 'PHPTemp';
+ const cache_to_wincache = 'Wincache';
+ const cache_to_sqlite = 'SQLite';
+ const cache_to_sqlite3 = 'SQLite3';
+
+
+ /**
+ * Name of the method used for cell cacheing
+ *
+ * @var string
+ */
+ private static $_cacheStorageMethod = NULL;
+
+ /**
+ * Name of the class used for cell cacheing
+ *
+ * @var string
+ */
+ private static $_cacheStorageClass = NULL;
+
+
+ /**
+ * List of all possible cache storage methods
+ *
+ * @var string[]
+ */
+ private static $_storageMethods = array(
+ self::cache_in_memory,
+ self::cache_in_memory_gzip,
+ self::cache_in_memory_serialized,
+ self::cache_igbinary,
+ self::cache_to_phpTemp,
+ self::cache_to_discISAM,
+ self::cache_to_apc,
+ self::cache_to_memcache,
+ self::cache_to_wincache,
+ self::cache_to_sqlite,
+ self::cache_to_sqlite3,
+ );
+
+
+ /**
+ * Default arguments for each cache storage method
+ *
+ * @var array of mixed array
+ */
+ private static $_storageMethodDefaultParameters = array(
+ self::cache_in_memory => array(
+ ),
+ self::cache_in_memory_gzip => array(
+ ),
+ self::cache_in_memory_serialized => array(
+ ),
+ self::cache_igbinary => array(
+ ),
+ self::cache_to_phpTemp => array( 'memoryCacheSize' => '1MB'
+ ),
+ self::cache_to_discISAM => array( 'dir' => NULL
+ ),
+ self::cache_to_apc => array( 'cacheTime' => 600
+ ),
+ self::cache_to_memcache => array( 'memcacheServer' => 'localhost',
+ 'memcachePort' => 11211,
+ 'cacheTime' => 600
+ ),
+ self::cache_to_wincache => array( 'cacheTime' => 600
+ ),
+ self::cache_to_sqlite => array(
+ ),
+ self::cache_to_sqlite3 => array(
+ ),
+ );
+
+
+ /**
+ * Arguments for the active cache storage method
+ *
+ * @var array of mixed array
+ */
+ private static $_storageMethodParameters = array();
+
+
+ /**
+ * Return the current cache storage method
+ *
+ * @return string|NULL
+ **/
+ public static function getCacheStorageMethod()
+ {
+ return self::$_cacheStorageMethod;
+ } // function getCacheStorageMethod()
+
+
+ /**
+ * Return the current cache storage class
+ *
+ * @return PHPExcel_CachedObjectStorage_ICache|NULL
+ **/
+ public static function getCacheStorageClass()
+ {
+ return self::$_cacheStorageClass;
+ } // function getCacheStorageClass()
+
+
+ /**
+ * Return the list of all possible cache storage methods
+ *
+ * @return string[]
+ **/
+ public static function getAllCacheStorageMethods()
+ {
+ return self::$_storageMethods;
+ } // function getCacheStorageMethods()
+
+
+ /**
+ * Return the list of all available cache storage methods
+ *
+ * @return string[]
+ **/
+ public static function getCacheStorageMethods()
+ {
+ $activeMethods = array();
+ foreach(self::$_storageMethods as $storageMethod) {
+ $cacheStorageClass = 'PHPExcel_CachedObjectStorage_' . $storageMethod;
+ if (call_user_func(array($cacheStorageClass, 'cacheMethodIsAvailable'))) {
+ $activeMethods[] = $storageMethod;
+ }
+ }
+ return $activeMethods;
+ } // function getCacheStorageMethods()
+
+
+ /**
+ * Identify the cache storage method to use
+ *
+ * @param string $method Name of the method to use for cell cacheing
+ * @param array of mixed $arguments Additional arguments to pass to the cell caching class
+ * when instantiating
+ * @return boolean
+ **/
+ public static function initialize($method = self::cache_in_memory, $arguments = array())
+ {
+ if (!in_array($method,self::$_storageMethods)) {
+ return FALSE;
+ }
+
+ $cacheStorageClass = 'PHPExcel_CachedObjectStorage_'.$method;
+ if (!call_user_func(array( $cacheStorageClass,
+ 'cacheMethodIsAvailable'))) {
+ return FALSE;
+ }
+
+ self::$_storageMethodParameters[$method] = self::$_storageMethodDefaultParameters[$method];
+ foreach($arguments as $k => $v) {
+ if (isset(self::$_storageMethodParameters[$method][$k])) {
+ self::$_storageMethodParameters[$method][$k] = $v;
+ }
+ }
+
+ if (self::$_cacheStorageMethod === NULL) {
+ self::$_cacheStorageClass = 'PHPExcel_CachedObjectStorage_' . $method;
+ self::$_cacheStorageMethod = $method;
+ }
+ return TRUE;
+ } // function initialize()
+
+
+ /**
+ * Initialise the cache storage
+ *
+ * @param PHPExcel_Worksheet $parent Enable cell caching for this worksheet
+ * @return PHPExcel_CachedObjectStorage_ICache
+ **/
+ public static function getInstance(PHPExcel_Worksheet $parent)
+ {
+ $cacheMethodIsAvailable = TRUE;
+ if (self::$_cacheStorageMethod === NULL) {
+ $cacheMethodIsAvailable = self::initialize();
+ }
+
+ if ($cacheMethodIsAvailable) {
+ $instance = new self::$_cacheStorageClass( $parent,
+ self::$_storageMethodParameters[self::$_cacheStorageMethod]
+ );
+ if ($instance !== NULL) {
+ return $instance;
+ }
+ }
+
+ return FALSE;
+ } // function getInstance()
+
+}
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