| 2390 |
jpm |
1 |
<?php
|
|
|
2 |
|
|
|
3 |
/**
|
|
|
4 |
* PHPExcel
|
|
|
5 |
*
|
|
|
6 |
* Copyright (c) 2006 - 2013 PHPExcel
|
|
|
7 |
*
|
|
|
8 |
* This library is free software; you can redistribute it and/or
|
|
|
9 |
* modify it under the terms of the GNU Lesser General Public
|
|
|
10 |
* License as published by the Free Software Foundation; either
|
|
|
11 |
* version 2.1 of the License, or (at your option) any later version.
|
|
|
12 |
*
|
|
|
13 |
* This library is distributed in the hope that it will be useful,
|
|
|
14 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
15 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
|
16 |
* Lesser General Public License for more details.
|
|
|
17 |
*
|
|
|
18 |
* You should have received a copy of the GNU Lesser General Public
|
|
|
19 |
* License along with this library; if not, write to the Free Software
|
|
|
20 |
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
|
21 |
*
|
|
|
22 |
* @category PHPExcel
|
|
|
23 |
* @package PHPExcel_CachedObjectStorage
|
|
|
24 |
* @copyright Copyright (c) 2006 - 2013 PHPExcel (http://www.codeplex.com/PHPExcel)
|
|
|
25 |
* @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL
|
|
|
26 |
* @version ##VERSION##, ##DATE##
|
|
|
27 |
*/
|
|
|
28 |
|
|
|
29 |
|
|
|
30 |
/**
|
|
|
31 |
* PHPExcel_CachedObjectStorageFactory
|
|
|
32 |
*
|
|
|
33 |
* @category PHPExcel
|
|
|
34 |
* @package PHPExcel_CachedObjectStorage
|
|
|
35 |
* @copyright Copyright (c) 2006 - 2013 PHPExcel (http://www.codeplex.com/PHPExcel)
|
|
|
36 |
*/
|
|
|
37 |
class PHPExcel_CachedObjectStorageFactory
|
|
|
38 |
{
|
|
|
39 |
const cache_in_memory = 'Memory';
|
|
|
40 |
const cache_in_memory_gzip = 'MemoryGZip';
|
|
|
41 |
const cache_in_memory_serialized = 'MemorySerialized';
|
|
|
42 |
const cache_igbinary = 'Igbinary';
|
|
|
43 |
const cache_to_discISAM = 'DiscISAM';
|
|
|
44 |
const cache_to_apc = 'APC';
|
|
|
45 |
const cache_to_memcache = 'Memcache';
|
|
|
46 |
const cache_to_phpTemp = 'PHPTemp';
|
|
|
47 |
const cache_to_wincache = 'Wincache';
|
|
|
48 |
const cache_to_sqlite = 'SQLite';
|
|
|
49 |
const cache_to_sqlite3 = 'SQLite3';
|
|
|
50 |
|
|
|
51 |
|
|
|
52 |
/**
|
|
|
53 |
* Name of the method used for cell cacheing
|
|
|
54 |
*
|
|
|
55 |
* @var string
|
|
|
56 |
*/
|
|
|
57 |
private static $_cacheStorageMethod = NULL;
|
|
|
58 |
|
|
|
59 |
/**
|
|
|
60 |
* Name of the class used for cell cacheing
|
|
|
61 |
*
|
|
|
62 |
* @var string
|
|
|
63 |
*/
|
|
|
64 |
private static $_cacheStorageClass = NULL;
|
|
|
65 |
|
|
|
66 |
|
|
|
67 |
/**
|
|
|
68 |
* List of all possible cache storage methods
|
|
|
69 |
*
|
|
|
70 |
* @var string[]
|
|
|
71 |
*/
|
|
|
72 |
private static $_storageMethods = array(
|
|
|
73 |
self::cache_in_memory,
|
|
|
74 |
self::cache_in_memory_gzip,
|
|
|
75 |
self::cache_in_memory_serialized,
|
|
|
76 |
self::cache_igbinary,
|
|
|
77 |
self::cache_to_phpTemp,
|
|
|
78 |
self::cache_to_discISAM,
|
|
|
79 |
self::cache_to_apc,
|
|
|
80 |
self::cache_to_memcache,
|
|
|
81 |
self::cache_to_wincache,
|
|
|
82 |
self::cache_to_sqlite,
|
|
|
83 |
self::cache_to_sqlite3,
|
|
|
84 |
);
|
|
|
85 |
|
|
|
86 |
|
|
|
87 |
/**
|
|
|
88 |
* Default arguments for each cache storage method
|
|
|
89 |
*
|
|
|
90 |
* @var array of mixed array
|
|
|
91 |
*/
|
|
|
92 |
private static $_storageMethodDefaultParameters = array(
|
|
|
93 |
self::cache_in_memory => array(
|
|
|
94 |
),
|
|
|
95 |
self::cache_in_memory_gzip => array(
|
|
|
96 |
),
|
|
|
97 |
self::cache_in_memory_serialized => array(
|
|
|
98 |
),
|
|
|
99 |
self::cache_igbinary => array(
|
|
|
100 |
),
|
|
|
101 |
self::cache_to_phpTemp => array( 'memoryCacheSize' => '1MB'
|
|
|
102 |
),
|
|
|
103 |
self::cache_to_discISAM => array( 'dir' => NULL
|
|
|
104 |
),
|
|
|
105 |
self::cache_to_apc => array( 'cacheTime' => 600
|
|
|
106 |
),
|
|
|
107 |
self::cache_to_memcache => array( 'memcacheServer' => 'localhost',
|
|
|
108 |
'memcachePort' => 11211,
|
|
|
109 |
'cacheTime' => 600
|
|
|
110 |
),
|
|
|
111 |
self::cache_to_wincache => array( 'cacheTime' => 600
|
|
|
112 |
),
|
|
|
113 |
self::cache_to_sqlite => array(
|
|
|
114 |
),
|
|
|
115 |
self::cache_to_sqlite3 => array(
|
|
|
116 |
),
|
|
|
117 |
);
|
|
|
118 |
|
|
|
119 |
|
|
|
120 |
/**
|
|
|
121 |
* Arguments for the active cache storage method
|
|
|
122 |
*
|
|
|
123 |
* @var array of mixed array
|
|
|
124 |
*/
|
|
|
125 |
private static $_storageMethodParameters = array();
|
|
|
126 |
|
|
|
127 |
|
|
|
128 |
/**
|
|
|
129 |
* Return the current cache storage method
|
|
|
130 |
*
|
|
|
131 |
* @return string|NULL
|
|
|
132 |
**/
|
|
|
133 |
public static function getCacheStorageMethod()
|
|
|
134 |
{
|
|
|
135 |
return self::$_cacheStorageMethod;
|
|
|
136 |
} // function getCacheStorageMethod()
|
|
|
137 |
|
|
|
138 |
|
|
|
139 |
/**
|
|
|
140 |
* Return the current cache storage class
|
|
|
141 |
*
|
|
|
142 |
* @return PHPExcel_CachedObjectStorage_ICache|NULL
|
|
|
143 |
**/
|
|
|
144 |
public static function getCacheStorageClass()
|
|
|
145 |
{
|
|
|
146 |
return self::$_cacheStorageClass;
|
|
|
147 |
} // function getCacheStorageClass()
|
|
|
148 |
|
|
|
149 |
|
|
|
150 |
/**
|
|
|
151 |
* Return the list of all possible cache storage methods
|
|
|
152 |
*
|
|
|
153 |
* @return string[]
|
|
|
154 |
**/
|
|
|
155 |
public static function getAllCacheStorageMethods()
|
|
|
156 |
{
|
|
|
157 |
return self::$_storageMethods;
|
|
|
158 |
} // function getCacheStorageMethods()
|
|
|
159 |
|
|
|
160 |
|
|
|
161 |
/**
|
|
|
162 |
* Return the list of all available cache storage methods
|
|
|
163 |
*
|
|
|
164 |
* @return string[]
|
|
|
165 |
**/
|
|
|
166 |
public static function getCacheStorageMethods()
|
|
|
167 |
{
|
|
|
168 |
$activeMethods = array();
|
|
|
169 |
foreach(self::$_storageMethods as $storageMethod) {
|
|
|
170 |
$cacheStorageClass = 'PHPExcel_CachedObjectStorage_' . $storageMethod;
|
|
|
171 |
if (call_user_func(array($cacheStorageClass, 'cacheMethodIsAvailable'))) {
|
|
|
172 |
$activeMethods[] = $storageMethod;
|
|
|
173 |
}
|
|
|
174 |
}
|
|
|
175 |
return $activeMethods;
|
|
|
176 |
} // function getCacheStorageMethods()
|
|
|
177 |
|
|
|
178 |
|
|
|
179 |
/**
|
|
|
180 |
* Identify the cache storage method to use
|
|
|
181 |
*
|
|
|
182 |
* @param string $method Name of the method to use for cell cacheing
|
|
|
183 |
* @param array of mixed $arguments Additional arguments to pass to the cell caching class
|
|
|
184 |
* when instantiating
|
|
|
185 |
* @return boolean
|
|
|
186 |
**/
|
|
|
187 |
public static function initialize($method = self::cache_in_memory, $arguments = array())
|
|
|
188 |
{
|
|
|
189 |
if (!in_array($method,self::$_storageMethods)) {
|
|
|
190 |
return FALSE;
|
|
|
191 |
}
|
|
|
192 |
|
|
|
193 |
$cacheStorageClass = 'PHPExcel_CachedObjectStorage_'.$method;
|
|
|
194 |
if (!call_user_func(array( $cacheStorageClass,
|
|
|
195 |
'cacheMethodIsAvailable'))) {
|
|
|
196 |
return FALSE;
|
|
|
197 |
}
|
|
|
198 |
|
|
|
199 |
self::$_storageMethodParameters[$method] = self::$_storageMethodDefaultParameters[$method];
|
|
|
200 |
foreach($arguments as $k => $v) {
|
|
|
201 |
if (array_key_exists($k, self::$_storageMethodParameters[$method])) {
|
|
|
202 |
self::$_storageMethodParameters[$method][$k] = $v;
|
|
|
203 |
}
|
|
|
204 |
}
|
|
|
205 |
|
|
|
206 |
if (self::$_cacheStorageMethod === NULL) {
|
|
|
207 |
self::$_cacheStorageClass = 'PHPExcel_CachedObjectStorage_' . $method;
|
|
|
208 |
self::$_cacheStorageMethod = $method;
|
|
|
209 |
}
|
|
|
210 |
return TRUE;
|
|
|
211 |
} // function initialize()
|
|
|
212 |
|
|
|
213 |
|
|
|
214 |
/**
|
|
|
215 |
* Initialise the cache storage
|
|
|
216 |
*
|
|
|
217 |
* @param PHPExcel_Worksheet $parent Enable cell caching for this worksheet
|
|
|
218 |
* @return PHPExcel_CachedObjectStorage_ICache
|
|
|
219 |
**/
|
|
|
220 |
public static function getInstance(PHPExcel_Worksheet $parent)
|
|
|
221 |
{
|
|
|
222 |
$cacheMethodIsAvailable = TRUE;
|
|
|
223 |
if (self::$_cacheStorageMethod === NULL) {
|
|
|
224 |
$cacheMethodIsAvailable = self::initialize();
|
|
|
225 |
}
|
|
|
226 |
|
|
|
227 |
if ($cacheMethodIsAvailable) {
|
|
|
228 |
$instance = new self::$_cacheStorageClass( $parent,
|
|
|
229 |
self::$_storageMethodParameters[self::$_cacheStorageMethod]
|
|
|
230 |
);
|
|
|
231 |
if ($instance !== NULL) {
|
|
|
232 |
return $instance;
|
|
|
233 |
}
|
|
|
234 |
}
|
|
|
235 |
|
|
|
236 |
return FALSE;
|
|
|
237 |
} // function getInstance()
|
|
|
238 |
|
|
|
239 |
|
|
|
240 |
/**
|
|
|
241 |
* Clear the cache storage
|
|
|
242 |
*
|
|
|
243 |
**/
|
|
|
244 |
public static function finalize()
|
|
|
245 |
{
|
|
|
246 |
self::$_cacheStorageMethod = NULL;
|
|
|
247 |
self::$_cacheStorageClass = NULL;
|
|
|
248 |
self::$_storageMethodParameters = array();
|
|
|
249 |
}
|
|
|
250 |
|
|
|
251 |
}
|