1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
|
<?php /** * PHPExcel * * Copyright (c) 2006 - 2014 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 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel) * @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL * @version 1.8.0, 2014-03-02 */
/** * PHPExcel_CachedObjectStorage_Memory * * @category PHPExcel * @package PHPExcel_CachedObjectStorage * @copyright Copyright (c) 2006 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel) */ class PHPExcel_CachedObjectStorage_Memory extends PHPExcel_CachedObjectStorage_CacheBase implements PHPExcel_CachedObjectStorage_ICache {
/** * Dummy method callable from CacheBase, but unused by Memory cache * * @return void */ protected function _storeData() { } // function _storeData()
/** * Add or Update a cell in cache identified by coordinate address * * @param string $pCoord Coordinate address of the cell to update * @param PHPExcel_Cell $cell Cell to update * @return PHPExcel_Cell * @throws PHPExcel_Exception */ public function addCacheData($pCoord, PHPExcel_Cell $cell) { $this->_cellCache[$pCoord] = $cell;
// Set current entry to the new/updated entry $this->_currentObjectID = $pCoord;
return $cell; } // function addCacheData()
/** * Get cell at a specific coordinate * * @param string $pCoord Coordinate of the cell * @throws PHPExcel_Exception * @return PHPExcel_Cell Cell that was found, or null if not found */ public function getCacheData($pCoord) { // Check if the entry that has been requested actually exists if (!isset($this->_cellCache[$pCoord])) { $this->_currentObjectID = NULL; // Return null if requested entry doesn't exist in cache return null; }
// Set current entry to the requested entry $this->_currentObjectID = $pCoord;
// Return requested entry return $this->_cellCache[$pCoord]; } // function getCacheData()
/** * Clone the cell collection * * @param PHPExcel_Worksheet $parent The new worksheet * @return void */ public function copyCellCollection(PHPExcel_Worksheet $parent) { parent::copyCellCollection($parent);
$newCollection = array(); foreach($this->_cellCache as $k => &$cell) { $newCollection[$k] = clone $cell; $newCollection[$k]->attach($this); }
$this->_cellCache = $newCollection; }
/** * Clear the cell collection and disconnect from our parent * * @return void */ public function unsetWorksheetCells() { // Because cells are all stored as intact objects in memory, we need to detach each one from the parent foreach($this->_cellCache as $k => &$cell) { $cell->detach(); $this->_cellCache[$k] = null; } unset($cell);
$this->_cellCache = array();
// detach ourself from the worksheet, so that it can then delete this object successfully $this->_parent = null; } // function unsetWorksheetCells()
}
|