first commit
This commit is contained in:
231
vendor/phpoffice/phpexcel/Classes/PHPExcel/CachedObjectStorageFactory.php
vendored
Normal file
231
vendor/phpoffice/phpexcel/Classes/PHPExcel/CachedObjectStorageFactory.php
vendored
Normal file
@@ -0,0 +1,231 @@
|
||||
<?php
|
||||
|
||||
/**
|
||||
* PHPExcel_CachedObjectStorageFactory
|
||||
*
|
||||
* Copyright (c) 2006 - 2015 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_CachedObjectStorage
|
||||
* @copyright Copyright (c) 2006 - 2015 PHPExcel (http://www.codeplex.com/PHPExcel)
|
||||
* @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL
|
||||
* @version ##VERSION##, ##DATE##
|
||||
*/
|
||||
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;
|
||||
}
|
||||
|
||||
/**
|
||||
* Return the current cache storage class
|
||||
*
|
||||
* @return PHPExcel_CachedObjectStorage_ICache|null
|
||||
**/
|
||||
public static function getCacheStorageClass()
|
||||
{
|
||||
return self::$cacheStorageClass;
|
||||
}
|
||||
|
||||
/**
|
||||
* Return the list of all possible cache storage methods
|
||||
*
|
||||
* @return string[]
|
||||
**/
|
||||
public static function getAllCacheStorageMethods()
|
||||
{
|
||||
return self::$storageMethods;
|
||||
}
|
||||
|
||||
/**
|
||||
* 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;
|
||||
}
|
||||
|
||||
/**
|
||||
* 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 => $v) {
|
||||
if (array_key_exists($k, self::$storageMethodParameters[$method])) {
|
||||
self::$storageMethodParameters[$method][$k] = $v;
|
||||
}
|
||||
}
|
||||
|
||||
if (self::$cacheStorageMethod === null) {
|
||||
self::$cacheStorageClass = 'PHPExcel_CachedObjectStorage_' . $method;
|
||||
self::$cacheStorageMethod = $method;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
/**
|
||||
* 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 $instance;
|
||||
}
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
/**
|
||||
* Clear the cache storage
|
||||
*
|
||||
**/
|
||||
public static function finalize()
|
||||
{
|
||||
self::$cacheStorageMethod = null;
|
||||
self::$cacheStorageClass = null;
|
||||
self::$storageMethodParameters = array();
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user