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vendor/phpoffice/phpexcel/Classes/PHPExcel/CachedObjectStorage/SQLite.php
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3.1.2
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| 1 | -<?php | |
| 2 | - | |
| 3 | -/** | |
| 4 | - * PHPExcel_CachedObjectStorage_SQLite | |
| 5 | - * | |
| 6 | - * Copyright (c) 2006 - 2015 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 - 2015 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 | -class PHPExcel_CachedObjectStorage_SQLite extends PHPExcel_CachedObjectStorage_CacheBase implements PHPExcel_CachedObjectStorage_ICache | |
| 29 | -{ | |
| 30 | - /** | |
| 31 | - * Database table name | |
| 32 | - * | |
| 33 | - * @var string | |
| 34 | - */ | |
| 35 | - private $TableName = null; | |
| 36 | - | |
| 37 | - /** | |
| 38 | - * Database handle | |
| 39 | - * | |
| 40 | - * @var resource | |
| 41 | - */ | |
| 42 | - private $DBHandle = null; | |
| 43 | - | |
| 44 | - /** | |
| 45 | - * Store cell data in cache for the current cell object if it's "dirty", | |
| 46 | - * and the 'nullify' the current cell object | |
| 47 | - * | |
| 48 | - * @return void | |
| 49 | - * @throws PHPExcel_Exception | |
| 50 | - */ | |
| 51 | - protected function storeData() | |
| 52 | - { | |
| 53 | - if ($this->currentCellIsDirty && !empty($this->currentObjectID)) { | |
| 54 | - $this->currentObject->detach(); | |
| 55 | - | |
| 56 | - if (!$this->DBHandle->queryExec("INSERT OR REPLACE INTO kvp_".$this->TableName." VALUES('".$this->currentObjectID."','".sqlite_escape_string(serialize($this->currentObject))."')")) { | |
| 57 | - throw new PHPExcel_Exception(sqlite_error_string($this->DBHandle->lastError())); | |
| 58 | - } | |
| 59 | - $this->currentCellIsDirty = false; | |
| 60 | - } | |
| 61 | - $this->currentObjectID = $this->currentObject = null; | |
| 62 | - } | |
| 63 | - | |
| 64 | - /** | |
| 65 | - * Add or Update a cell in cache identified by coordinate address | |
| 66 | - * | |
| 67 | - * @param string $pCoord Coordinate address of the cell to update | |
| 68 | - * @param PHPExcel_Cell $cell Cell to update | |
| 69 | - * @return PHPExcel_Cell | |
| 70 | - * @throws PHPExcel_Exception | |
| 71 | - */ | |
| 72 | - public function addCacheData($pCoord, PHPExcel_Cell $cell) | |
| 73 | - { | |
| 74 | - if (($pCoord !== $this->currentObjectID) && ($this->currentObjectID !== null)) { | |
| 75 | - $this->storeData(); | |
| 76 | - } | |
| 77 | - | |
| 78 | - $this->currentObjectID = $pCoord; | |
| 79 | - $this->currentObject = $cell; | |
| 80 | - $this->currentCellIsDirty = true; | |
| 81 | - | |
| 82 | - return $cell; | |
| 83 | - } | |
| 84 | - | |
| 85 | - /** | |
| 86 | - * Get cell at a specific coordinate | |
| 87 | - * | |
| 88 | - * @param string $pCoord Coordinate of the cell | |
| 89 | - * @throws PHPExcel_Exception | |
| 90 | - * @return PHPExcel_Cell Cell that was found, or null if not found | |
| 91 | - */ | |
| 92 | - public function getCacheData($pCoord) | |
| 93 | - { | |
| 94 | - if ($pCoord === $this->currentObjectID) { | |
| 95 | - return $this->currentObject; | |
| 96 | - } | |
| 97 | - $this->storeData(); | |
| 98 | - | |
| 99 | - $query = "SELECT value FROM kvp_".$this->TableName." WHERE id='".$pCoord."'"; | |
| 100 | - $cellResultSet = $this->DBHandle->query($query, SQLITE_ASSOC); | |
| 101 | - if ($cellResultSet === false) { | |
| 102 | - throw new PHPExcel_Exception(sqlite_error_string($this->DBHandle->lastError())); | |
| 103 | - } elseif ($cellResultSet->numRows() == 0) { | |
| 104 | - // Return null if requested entry doesn't exist in cache | |
| 105 | - return null; | |
| 106 | - } | |
| 107 | - | |
| 108 | - // Set current entry to the requested entry | |
| 109 | - $this->currentObjectID = $pCoord; | |
| 110 | - | |
| 111 | - $cellResult = $cellResultSet->fetchSingle(); | |
| 112 | - $this->currentObject = unserialize($cellResult); | |
| 113 | - // Re-attach this as the cell's parent | |
| 114 | - $this->currentObject->attach($this); | |
| 115 | - | |
| 116 | - // Return requested entry | |
| 117 | - return $this->currentObject; | |
| 118 | - } | |
| 119 | - | |
| 120 | - /** | |
| 121 | - * Is a value set for an indexed cell? | |
| 122 | - * | |
| 123 | - * @param string $pCoord Coordinate address of the cell to check | |
| 124 | - * @return boolean | |
| 125 | - */ | |
| 126 | - public function isDataSet($pCoord) | |
| 127 | - { | |
| 128 | - if ($pCoord === $this->currentObjectID) { | |
| 129 | - return true; | |
| 130 | - } | |
| 131 | - | |
| 132 | - // Check if the requested entry exists in the cache | |
| 133 | - $query = "SELECT id FROM kvp_".$this->TableName." WHERE id='".$pCoord."'"; | |
| 134 | - $cellResultSet = $this->DBHandle->query($query, SQLITE_ASSOC); | |
| 135 | - if ($cellResultSet === false) { | |
| 136 | - throw new PHPExcel_Exception(sqlite_error_string($this->DBHandle->lastError())); | |
| 137 | - } elseif ($cellResultSet->numRows() == 0) { | |
| 138 | - // Return null if requested entry doesn't exist in cache | |
| 139 | - return false; | |
| 140 | - } | |
| 141 | - return true; | |
| 142 | - } | |
| 143 | - | |
| 144 | - /** | |
| 145 | - * Delete a cell in cache identified by coordinate address | |
| 146 | - * | |
| 147 | - * @param string $pCoord Coordinate address of the cell to delete | |
| 148 | - * @throws PHPExcel_Exception | |
| 149 | - */ | |
| 150 | - public function deleteCacheData($pCoord) | |
| 151 | - { | |
| 152 | - if ($pCoord === $this->currentObjectID) { | |
| 153 | - $this->currentObject->detach(); | |
| 154 | - $this->currentObjectID = $this->currentObject = null; | |
| 155 | - } | |
| 156 | - | |
| 157 | - // Check if the requested entry exists in the cache | |
| 158 | - $query = "DELETE FROM kvp_".$this->TableName." WHERE id='".$pCoord."'"; | |
| 159 | - if (!$this->DBHandle->queryExec($query)) { | |
| 160 | - throw new PHPExcel_Exception(sqlite_error_string($this->DBHandle->lastError())); | |
| 161 | - } | |
| 162 | - | |
| 163 | - $this->currentCellIsDirty = false; | |
| 164 | - } | |
| 165 | - | |
| 166 | - /** | |
| 167 | - * Move a cell object from one address to another | |
| 168 | - * | |
| 169 | - * @param string $fromAddress Current address of the cell to move | |
| 170 | - * @param string $toAddress Destination address of the cell to move | |
| 171 | - * @return boolean | |
| 172 | - */ | |
| 173 | - public function moveCell($fromAddress, $toAddress) | |
| 174 | - { | |
| 175 | - if ($fromAddress === $this->currentObjectID) { | |
| 176 | - $this->currentObjectID = $toAddress; | |
| 177 | - } | |
| 178 | - | |
| 179 | - $query = "DELETE FROM kvp_".$this->TableName." WHERE id='".$toAddress."'"; | |
| 180 | - $result = $this->DBHandle->exec($query); | |
| 181 | - if ($result === false) { | |
| 182 | - throw new PHPExcel_Exception($this->DBHandle->lastErrorMsg()); | |
| 183 | - } | |
| 184 | - | |
| 185 | - $query = "UPDATE kvp_".$this->TableName." SET id='".$toAddress."' WHERE id='".$fromAddress."'"; | |
| 186 | - $result = $this->DBHandle->exec($query); | |
| 187 | - if ($result === false) { | |
| 188 | - throw new PHPExcel_Exception($this->DBHandle->lastErrorMsg()); | |
| 189 | - } | |
| 190 | - | |
| 191 | - return true; | |
| 192 | - } | |
| 193 | - | |
| 194 | - /** | |
| 195 | - * Get a list of all cell addresses currently held in cache | |
| 196 | - * | |
| 197 | - * @return string[] | |
| 198 | - */ | |
| 199 | - public function getCellList() | |
| 200 | - { | |
| 201 | - if ($this->currentObjectID !== null) { | |
| 202 | - $this->storeData(); | |
| 203 | - } | |
| 204 | - | |
| 205 | - $query = "SELECT id FROM kvp_".$this->TableName; | |
| 206 | - $cellIdsResult = $this->DBHandle->unbufferedQuery($query, SQLITE_ASSOC); | |
| 207 | - if ($cellIdsResult === false) { | |
| 208 | - throw new PHPExcel_Exception(sqlite_error_string($this->DBHandle->lastError())); | |
| 209 | - } | |
| 210 | - | |
| 211 | - $cellKeys = array(); | |
| 212 | - foreach ($cellIdsResult as $row) { | |
| 213 | - $cellKeys[] = $row['id']; | |
| 214 | - } | |
| 215 | - | |
| 216 | - return $cellKeys; | |
| 217 | - } | |
| 218 | - | |
| 219 | - /** | |
| 220 | - * Clone the cell collection | |
| 221 | - * | |
| 222 | - * @param PHPExcel_Worksheet $parent The new worksheet | |
| 223 | - * @return void | |
| 224 | - */ | |
| 225 | - public function copyCellCollection(PHPExcel_Worksheet $parent) | |
| 226 | - { | |
| 227 | - $this->currentCellIsDirty; | |
| 228 | - $this->storeData(); | |
| 229 | - | |
| 230 | - // Get a new id for the new table name | |
| 231 | - $tableName = str_replace('.', '_', $this->getUniqueID()); | |
| 232 | - if (!$this->DBHandle->queryExec('CREATE TABLE kvp_'.$tableName.' (id VARCHAR(12) PRIMARY KEY, value BLOB) | |
| 233 | - AS SELECT * FROM kvp_'.$this->TableName) | |
| 234 | - ) { | |
| 235 | - throw new PHPExcel_Exception(sqlite_error_string($this->DBHandle->lastError())); | |
| 236 | - } | |
| 237 | - | |
| 238 | - // Copy the existing cell cache file | |
| 239 | - $this->TableName = $tableName; | |
| 240 | - } | |
| 241 | - | |
| 242 | - /** | |
| 243 | - * Clear the cell collection and disconnect from our parent | |
| 244 | - * | |
| 245 | - * @return void | |
| 246 | - */ | |
| 247 | - public function unsetWorksheetCells() | |
| 248 | - { | |
| 249 | - if (!is_null($this->currentObject)) { | |
| 250 | - $this->currentObject->detach(); | |
| 251 | - $this->currentObject = $this->currentObjectID = null; | |
| 252 | - } | |
| 253 | - // detach ourself from the worksheet, so that it can then delete this object successfully | |
| 254 | - $this->parent = null; | |
| 255 | - | |
| 256 | - // Close down the temporary cache file | |
| 257 | - $this->__destruct(); | |
| 258 | - } | |
| 259 | - | |
| 260 | - /** | |
| 261 | - * Initialise this new cell collection | |
| 262 | - * | |
| 263 | - * @param PHPExcel_Worksheet $parent The worksheet for this cell collection | |
| 264 | - */ | |
| 265 | - public function __construct(PHPExcel_Worksheet $parent) | |
| 266 | - { | |
| 267 | - parent::__construct($parent); | |
| 268 | - if (is_null($this->DBHandle)) { | |
| 269 | - $this->TableName = str_replace('.', '_', $this->getUniqueID()); | |
| 270 | - $_DBName = ':memory:'; | |
| 271 | - | |
| 272 | - $this->DBHandle = new SQLiteDatabase($_DBName); | |
| 273 | - if ($this->DBHandle === false) { | |
| 274 | - throw new PHPExcel_Exception(sqlite_error_string($this->DBHandle->lastError())); | |
| 275 | - } | |
| 276 | - if (!$this->DBHandle->queryExec('CREATE TABLE kvp_'.$this->TableName.' (id VARCHAR(12) PRIMARY KEY, value BLOB)')) { | |
| 277 | - throw new PHPExcel_Exception(sqlite_error_string($this->DBHandle->lastError())); | |
| 278 | - } | |
| 279 | - } | |
| 280 | - } | |
| 281 | - | |
| 282 | - /** | |
| 283 | - * Destroy this cell collection | |
| 284 | - */ | |
| 285 | - public function __destruct() | |
| 286 | - { | |
| 287 | - if (!is_null($this->DBHandle)) { | |
| 288 | - $this->DBHandle->queryExec('DROP TABLE kvp_'.$this->TableName); | |
| 289 | - } | |
| 290 | - $this->DBHandle = null; | |
| 291 | - } | |
| 292 | - | |
| 293 | - /** | |
| 294 | - * Identify whether the caching method is currently available | |
| 295 | - * Some methods are dependent on the availability of certain extensions being enabled in the PHP build | |
| 296 | - * | |
| 297 | - * @return boolean | |
| 298 | - */ | |
| 299 | - public static function cacheMethodIsAvailable() | |
| 300 | - { | |
| 301 | - if (!function_exists('sqlite_open')) { | |
| 302 | - return false; | |
| 303 | - } | |
| 304 | - | |
| 305 | - return true; | |
| 306 | - } | |
| 307 | -} | |
| 1 | +<?php | |
| 2 | +/** | |
| 3 | + * PHPExcel | |
| 4 | + * | |
| 5 | + * Copyright (c) 2006 - 2014 PHPExcel | |
| 6 | + * | |
| 7 | + * This library is free software; you can redistribute it and/or | |
| 8 | + * modify it under the terms of the GNU Lesser General Public | |
| 9 | + * License as published by the Free Software Foundation; either | |
| 10 | + * version 2.1 of the License, or (at your option) any later version. | |
| 11 | + * | |
| 12 | + * This library is distributed in the hope that it will be useful, | |
| 13 | + * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 | + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 15 | + * Lesser General Public License for more details. | |
| 16 | + * | |
| 17 | + * You should have received a copy of the GNU Lesser General Public | |
| 18 | + * License along with this library; if not, write to the Free Software | |
| 19 | + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
| 20 | + * | |
| 21 | + * @category PHPExcel | |
| 22 | + * @package PHPExcel_CachedObjectStorage | |
| 23 | + * @copyright Copyright (c) 2006 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel) | |
| 24 | + * @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL | |
| 25 | + * @version ##VERSION##, ##DATE## | |
| 26 | + */ | |
| 27 | + | |
| 28 | + | |
| 29 | +/** | |
| 30 | + * PHPExcel_CachedObjectStorage_SQLite | |
| 31 | + * | |
| 32 | + * @category PHPExcel | |
| 33 | + * @package PHPExcel_CachedObjectStorage | |
| 34 | + * @copyright Copyright (c) 2006 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel) | |
| 35 | + */ | |
| 36 | +class PHPExcel_CachedObjectStorage_SQLite extends PHPExcel_CachedObjectStorage_CacheBase implements PHPExcel_CachedObjectStorage_ICache { | |
| 37 | + | |
| 38 | + /** | |
| 39 | + * Database table name | |
| 40 | + * | |
| 41 | + * @var string | |
| 42 | + */ | |
| 43 | + private $_TableName = null; | |
| 44 | + | |
| 45 | + /** | |
| 46 | + * Database handle | |
| 47 | + * | |
| 48 | + * @var resource | |
| 49 | + */ | |
| 50 | + private $_DBHandle = null; | |
| 51 | + | |
| 52 | + /** | |
| 53 | + * Store cell data in cache for the current cell object if it's "dirty", | |
| 54 | + * and the 'nullify' the current cell object | |
| 55 | + * | |
| 56 | + * @return void | |
| 57 | + * @throws PHPExcel_Exception | |
| 58 | + */ | |
| 59 | + protected function _storeData() { | |
| 60 | + if ($this->_currentCellIsDirty && !empty($this->_currentObjectID)) { | |
| 61 | + $this->_currentObject->detach(); | |
| 62 | + | |
| 63 | + if (!$this->_DBHandle->queryExec("INSERT OR REPLACE INTO kvp_".$this->_TableName." VALUES('".$this->_currentObjectID."','".sqlite_escape_string(serialize($this->_currentObject))."')")) | |
| 64 | + throw new PHPExcel_Exception(sqlite_error_string($this->_DBHandle->lastError())); | |
| 65 | + $this->_currentCellIsDirty = false; | |
| 66 | + } | |
| 67 | + $this->_currentObjectID = $this->_currentObject = null; | |
| 68 | + } // function _storeData() | |
| 69 | + | |
| 70 | + | |
| 71 | + /** | |
| 72 | + * Add or Update a cell in cache identified by coordinate address | |
| 73 | + * | |
| 74 | + * @param string $pCoord Coordinate address of the cell to update | |
| 75 | + * @param PHPExcel_Cell $cell Cell to update | |
| 76 | + * @return PHPExcel_Cell | |
| 77 | + * @throws PHPExcel_Exception | |
| 78 | + */ | |
| 79 | + public function addCacheData($pCoord, PHPExcel_Cell $cell) { | |
| 80 | + if (($pCoord !== $this->_currentObjectID) && ($this->_currentObjectID !== null)) { | |
| 81 | + $this->_storeData(); | |
| 82 | + } | |
| 83 | + | |
| 84 | + $this->_currentObjectID = $pCoord; | |
| 85 | + $this->_currentObject = $cell; | |
| 86 | + $this->_currentCellIsDirty = true; | |
| 87 | + | |
| 88 | + return $cell; | |
| 89 | + } // function addCacheData() | |
| 90 | + | |
| 91 | + | |
| 92 | + /** | |
| 93 | + * Get cell at a specific coordinate | |
| 94 | + * | |
| 95 | + * @param string $pCoord Coordinate of the cell | |
| 96 | + * @throws PHPExcel_Exception | |
| 97 | + * @return PHPExcel_Cell Cell that was found, or null if not found | |
| 98 | + */ | |
| 99 | + public function getCacheData($pCoord) { | |
| 100 | + if ($pCoord === $this->_currentObjectID) { | |
| 101 | + return $this->_currentObject; | |
| 102 | + } | |
| 103 | + $this->_storeData(); | |
| 104 | + | |
| 105 | + $query = "SELECT value FROM kvp_".$this->_TableName." WHERE id='".$pCoord."'"; | |
| 106 | + $cellResultSet = $this->_DBHandle->query($query,SQLITE_ASSOC); | |
| 107 | + if ($cellResultSet === false) { | |
| 108 | + throw new PHPExcel_Exception(sqlite_error_string($this->_DBHandle->lastError())); | |
| 109 | + } elseif ($cellResultSet->numRows() == 0) { | |
| 110 | + // Return null if requested entry doesn't exist in cache | |
| 111 | + return null; | |
| 112 | + } | |
| 113 | + | |
| 114 | + // Set current entry to the requested entry | |
| 115 | + $this->_currentObjectID = $pCoord; | |
| 116 | + | |
| 117 | + $cellResult = $cellResultSet->fetchSingle(); | |
| 118 | + $this->_currentObject = unserialize($cellResult); | |
| 119 | + // Re-attach this as the cell's parent | |
| 120 | + $this->_currentObject->attach($this); | |
| 121 | + | |
| 122 | + // Return requested entry | |
| 123 | + return $this->_currentObject; | |
| 124 | + } // function getCacheData() | |
| 125 | + | |
| 126 | + | |
| 127 | + /** | |
| 128 | + * Is a value set for an indexed cell? | |
| 129 | + * | |
| 130 | + * @param string $pCoord Coordinate address of the cell to check | |
| 131 | + * @return boolean | |
| 132 | + */ | |
| 133 | + public function isDataSet($pCoord) { | |
| 134 | + if ($pCoord === $this->_currentObjectID) { | |
| 135 | + return true; | |
| 136 | + } | |
| 137 | + | |
| 138 | + // Check if the requested entry exists in the cache | |
| 139 | + $query = "SELECT id FROM kvp_".$this->_TableName." WHERE id='".$pCoord."'"; | |
| 140 | + $cellResultSet = $this->_DBHandle->query($query,SQLITE_ASSOC); | |
| 141 | + if ($cellResultSet === false) { | |
| 142 | + throw new PHPExcel_Exception(sqlite_error_string($this->_DBHandle->lastError())); | |
| 143 | + } elseif ($cellResultSet->numRows() == 0) { | |
| 144 | + // Return null if requested entry doesn't exist in cache | |
| 145 | + return false; | |
| 146 | + } | |
| 147 | + return true; | |
| 148 | + } // function isDataSet() | |
| 149 | + | |
| 150 | + | |
| 151 | + /** | |
| 152 | + * Delete a cell in cache identified by coordinate address | |
| 153 | + * | |
| 154 | + * @param string $pCoord Coordinate address of the cell to delete | |
| 155 | + * @throws PHPExcel_Exception | |
| 156 | + */ | |
| 157 | + public function deleteCacheData($pCoord) { | |
| 158 | + if ($pCoord === $this->_currentObjectID) { | |
| 159 | + $this->_currentObject->detach(); | |
| 160 | + $this->_currentObjectID = $this->_currentObject = null; | |
| 161 | + } | |
| 162 | + | |
| 163 | + // Check if the requested entry exists in the cache | |
| 164 | + $query = "DELETE FROM kvp_".$this->_TableName." WHERE id='".$pCoord."'"; | |
| 165 | + if (!$this->_DBHandle->queryExec($query)) | |
| 166 | + throw new PHPExcel_Exception(sqlite_error_string($this->_DBHandle->lastError())); | |
| 167 | + | |
| 168 | + $this->_currentCellIsDirty = false; | |
| 169 | + } // function deleteCacheData() | |
| 170 | + | |
| 171 | + | |
| 172 | + /** | |
| 173 | + * Move a cell object from one address to another | |
| 174 | + * | |
| 175 | + * @param string $fromAddress Current address of the cell to move | |
| 176 | + * @param string $toAddress Destination address of the cell to move | |
| 177 | + * @return boolean | |
| 178 | + */ | |
| 179 | + public function moveCell($fromAddress, $toAddress) { | |
| 180 | + if ($fromAddress === $this->_currentObjectID) { | |
| 181 | + $this->_currentObjectID = $toAddress; | |
| 182 | + } | |
| 183 | + | |
| 184 | + $query = "DELETE FROM kvp_".$this->_TableName." WHERE id='".$toAddress."'"; | |
| 185 | + $result = $this->_DBHandle->exec($query); | |
| 186 | + if ($result === false) | |
| 187 | + throw new PHPExcel_Exception($this->_DBHandle->lastErrorMsg()); | |
| 188 | + | |
| 189 | + $query = "UPDATE kvp_".$this->_TableName." SET id='".$toAddress."' WHERE id='".$fromAddress."'"; | |
| 190 | + $result = $this->_DBHandle->exec($query); | |
| 191 | + if ($result === false) | |
| 192 | + throw new PHPExcel_Exception($this->_DBHandle->lastErrorMsg()); | |
| 193 | + | |
| 194 | + return TRUE; | |
| 195 | + } // function moveCell() | |
| 196 | + | |
| 197 | + | |
| 198 | + /** | |
| 199 | + * Get a list of all cell addresses currently held in cache | |
| 200 | + * | |
| 201 | + * @return string[] | |
| 202 | + */ | |
| 203 | + public function getCellList() { | |
| 204 | + if ($this->_currentObjectID !== null) { | |
| 205 | + $this->_storeData(); | |
| 206 | + } | |
| 207 | + | |
| 208 | + $query = "SELECT id FROM kvp_".$this->_TableName; | |
| 209 | + $cellIdsResult = $this->_DBHandle->unbufferedQuery($query,SQLITE_ASSOC); | |
| 210 | + if ($cellIdsResult === false) | |
| 211 | + throw new PHPExcel_Exception(sqlite_error_string($this->_DBHandle->lastError())); | |
| 212 | + | |
| 213 | + $cellKeys = array(); | |
| 214 | + foreach($cellIdsResult as $row) { | |
| 215 | + $cellKeys[] = $row['id']; | |
| 216 | + } | |
| 217 | + | |
| 218 | + return $cellKeys; | |
| 219 | + } // function getCellList() | |
| 220 | + | |
| 221 | + | |
| 222 | + /** | |
| 223 | + * Clone the cell collection | |
| 224 | + * | |
| 225 | + * @param PHPExcel_Worksheet $parent The new worksheet | |
| 226 | + * @return void | |
| 227 | + */ | |
| 228 | + public function copyCellCollection(PHPExcel_Worksheet $parent) { | |
| 229 | + $this->_currentCellIsDirty; | |
| 230 | + $this->_storeData(); | |
| 231 | + | |
| 232 | + // Get a new id for the new table name | |
| 233 | + $tableName = str_replace('.','_',$this->_getUniqueID()); | |
| 234 | + if (!$this->_DBHandle->queryExec('CREATE TABLE kvp_'.$tableName.' (id VARCHAR(12) PRIMARY KEY, value BLOB) | |
| 235 | + AS SELECT * FROM kvp_'.$this->_TableName)) | |
| 236 | + throw new PHPExcel_Exception(sqlite_error_string($this->_DBHandle->lastError())); | |
| 237 | + | |
| 238 | + // Copy the existing cell cache file | |
| 239 | + $this->_TableName = $tableName; | |
| 240 | + } // function copyCellCollection() | |
| 241 | + | |
| 242 | + | |
| 243 | + /** | |
| 244 | + * Clear the cell collection and disconnect from our parent | |
| 245 | + * | |
| 246 | + * @return void | |
| 247 | + */ | |
| 248 | + public function unsetWorksheetCells() { | |
| 249 | + if(!is_null($this->_currentObject)) { | |
| 250 | + $this->_currentObject->detach(); | |
| 251 | + $this->_currentObject = $this->_currentObjectID = null; | |
| 252 | + } | |
| 253 | + // detach ourself from the worksheet, so that it can then delete this object successfully | |
| 254 | + $this->_parent = null; | |
| 255 | + | |
| 256 | + // Close down the temporary cache file | |
| 257 | + $this->__destruct(); | |
| 258 | + } // function unsetWorksheetCells() | |
| 259 | + | |
| 260 | + | |
| 261 | + /** | |
| 262 | + * Initialise this new cell collection | |
| 263 | + * | |
| 264 | + * @param PHPExcel_Worksheet $parent The worksheet for this cell collection | |
| 265 | + */ | |
| 266 | + public function __construct(PHPExcel_Worksheet $parent) { | |
| 267 | + parent::__construct($parent); | |
| 268 | + if (is_null($this->_DBHandle)) { | |
| 269 | + $this->_TableName = str_replace('.','_',$this->_getUniqueID()); | |
| 270 | + $_DBName = ':memory:'; | |
| 271 | + | |
| 272 | + $this->_DBHandle = new SQLiteDatabase($_DBName); | |
| 273 | + if ($this->_DBHandle === false) | |
| 274 | + throw new PHPExcel_Exception(sqlite_error_string($this->_DBHandle->lastError())); | |
| 275 | + if (!$this->_DBHandle->queryExec('CREATE TABLE kvp_'.$this->_TableName.' (id VARCHAR(12) PRIMARY KEY, value BLOB)')) | |
| 276 | + throw new PHPExcel_Exception(sqlite_error_string($this->_DBHandle->lastError())); | |
| 277 | + } | |
| 278 | + } // function __construct() | |
| 279 | + | |
| 280 | + | |
| 281 | + /** | |
| 282 | + * Destroy this cell collection | |
| 283 | + */ | |
| 284 | + public function __destruct() { | |
| 285 | + if (!is_null($this->_DBHandle)) { | |
| 286 | + $this->_DBHandle->queryExec('DROP TABLE kvp_'.$this->_TableName); | |
| 287 | + } | |
| 288 | + $this->_DBHandle = null; | |
| 289 | + } // function __destruct() | |
| 290 | + | |
| 291 | + | |
| 292 | + /** | |
| 293 | + * Identify whether the caching method is currently available | |
| 294 | + * Some methods are dependent on the availability of certain extensions being enabled in the PHP build | |
| 295 | + * | |
| 296 | + * @return boolean | |
| 297 | + */ | |
| 298 | + public static function cacheMethodIsAvailable() { | |
| 299 | + if (!function_exists('sqlite_open')) { | |
| 300 | + return false; | |
| 301 | + } | |
| 302 | + | |
| 303 | + return true; | |
| 304 | + } | |
| 305 | + | |
| 306 | +} | |