diff options
Diffstat (limited to 'admin/survey/excel/PHPExcel/CachedObjectStorage/SQLite3.php')
| -rw-r--r-- | admin/survey/excel/PHPExcel/CachedObjectStorage/SQLite3.php | 277 |
1 files changed, 0 insertions, 277 deletions
diff --git a/admin/survey/excel/PHPExcel/CachedObjectStorage/SQLite3.php b/admin/survey/excel/PHPExcel/CachedObjectStorage/SQLite3.php deleted file mode 100644 index b867b4d..0000000 --- a/admin/survey/excel/PHPExcel/CachedObjectStorage/SQLite3.php +++ /dev/null @@ -1,277 +0,0 @@ -<?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_CachedObjectStorage
- * @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_CachedObjectStorage_SQLite3
- *
- * @category PHPExcel
- * @package PHPExcel_CachedObjectStorage
- * @copyright Copyright (c) 2006 - 2012 PHPExcel (http://www.codeplex.com/PHPExcel)
- */
-class PHPExcel_CachedObjectStorage_SQLite3 extends PHPExcel_CachedObjectStorage_CacheBase implements PHPExcel_CachedObjectStorage_ICache {
-
- /**
- * Database table name
- *
- * @var string
- */
- private $_TableName = null;
-
- /**
- * Database handle
- *
- * @var resource
- */
- private $_DBHandle = null;
-
- /**
- * Store cell data in cache for the current cell object if it's "dirty",
- * and the 'nullify' the current cell object
- *
- * @return void
- * @throws Exception
- */
- private function _storeData() {
- if ($this->_currentCellIsDirty) {
- $this->_currentObject->detach();
-
- $query = $this->_DBHandle->prepare("INSERT OR REPLACE INTO kvp_".$this->_TableName." VALUES(:id,:data)");
- $query->bindValue('id',$this->_currentObjectID,SQLITE3_TEXT);
- $query->bindValue('data',serialize($this->_currentObject),SQLITE3_BLOB);
- $result = $query->execute();
- if ($result === false)
- throw new Exception($this->_DBHandle->lastErrorMsg());
- $this->_currentCellIsDirty = false;
- }
- $this->_currentObjectID = $this->_currentObject = null;
- } // 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 $cell Cell to update
- * @return void
- * @throws Exception
- */
- public function addCacheData($pCoord, PHPExcel_Cell $cell) {
- if (($pCoord !== $this->_currentObjectID) && ($this->_currentObjectID !== null)) {
- $this->_storeData();
- }
-
- $this->_currentObjectID = $pCoord;
- $this->_currentObject = $cell;
- $this->_currentCellIsDirty = true;
-
- return $cell;
- } // function addCacheData()
-
-
- /**
- * Get cell at a specific coordinate
- *
- * @param string $pCoord Coordinate of the cell
- * @throws Exception
- * @return PHPExcel_Cell Cell that was found, or null if not found
- */
- public function getCacheData($pCoord) {
- if ($pCoord === $this->_currentObjectID) {
- return $this->_currentObject;
- }
- $this->_storeData();
-
- $query = "SELECT value FROM kvp_".$this->_TableName." WHERE id='".$pCoord."'";
- $cellResult = $this->_DBHandle->querySingle($query);
- if ($cellResult === false) {
- throw new Exception($this->_DBHandle->lastErrorMsg());
- } elseif (is_null($cellResult)) {
- // Return null if requested entry doesn't exist in cache
- return null;
- }
-
- // Set current entry to the requested entry
- $this->_currentObjectID = $pCoord;
-
- $this->_currentObject = unserialize($cellResult);
- // Re-attach the parent worksheet
- $this->_currentObject->attach($this->_parent);
-
- // Return requested entry
- return $this->_currentObject;
- } // function getCacheData()
-
-
- /**
- * Is a value set for an indexed cell?
- *
- * @param string $pCoord Coordinate address of the cell to check
- * @return boolean
- */
- public function isDataSet($pCoord) {
- if ($pCoord === $this->_currentObjectID) {
- return true;
- }
-
- // Check if the requested entry exists in the cache
- $query = "SELECT id FROM kvp_".$this->_TableName." WHERE id='".$pCoord."'";
- $cellResult = $this->_DBHandle->querySingle($query);
- if ($cellResult === false) {
- throw new Exception($this->_DBHandle->lastErrorMsg());
- } elseif (is_null($cellResult)) {
- // Return null if requested entry doesn't exist in cache
- return false;
- }
- return true;
- } // function isDataSet()
-
-
- /**
- * Delete a cell in cache identified by coordinate address
- *
- * @param string $pCoord Coordinate address of the cell to delete
- * @throws Exception
- */
- public function deleteCacheData($pCoord) {
- if ($pCoord === $this->_currentObjectID) {
- $this->_currentObject->detach();
- $this->_currentObjectID = $this->_currentObject = null;
- }
-
- // Check if the requested entry exists in the cache
- $query = "DELETE FROM kvp_".$this->_TableName." WHERE id='".$pCoord."'";
- $result = $this->_DBHandle->exec($query);
- if ($result === false)
- throw new Exception($this->_DBHandle->lastErrorMsg());
-
- $this->_currentCellIsDirty = false;
- } // function deleteCacheData()
-
-
- /**
- * Get a list of all cell addresses currently held in cache
- *
- * @return array of string
- */
- public function getCellList() {
- $query = "SELECT id FROM kvp_".$this->_TableName;
- $cellIdsResult = $this->_DBHandle->query($query);
- if ($cellIdsResult === false)
- throw new Exception($this->_DBHandle->lastErrorMsg());
-
- $cellKeys = array();
- while ($row = $cellIdsResult->fetchArray(SQLITE3_ASSOC)) {
- $cellKeys[] = $row['id'];
- }
-
- return $cellKeys;
- } // function getCellList()
-
-
- /**
- * Clone the cell collection
- *
- * @param PHPExcel_Worksheet $parent The new worksheet
- * @return void
- */
- public function copyCellCollection(PHPExcel_Worksheet $parent) {
- // Get a new id for the new table name
- $tableName = str_replace('.','_',$this->_getUniqueID());
- if (!$this->_DBHandle->exec('CREATE TABLE kvp_'.$tableName.' (id VARCHAR(12) PRIMARY KEY, value BLOB)
- AS SELECT * FROM kvp_'.$this->_TableName))
- throw new Exception($this->_DBHandle->lastErrorMsg());
-
- // Copy the existing cell cache file
- $this->_TableName = $tableName;
- } // function copyCellCollection()
-
-
- /**
- * Clear the cell collection and disconnect from our parent
- *
- * @return void
- */
- public function unsetWorksheetCells() {
- if(!is_null($this->_currentObject)) {
- $this->_currentObject->detach();
- $this->_currentObject = $this->_currentObjectID = null;
- }
- // detach ourself from the worksheet, so that it can then delete this object successfully
- $this->_parent = null;
-
- // Close down the temporary cache file
- $this->__destruct();
- } // function unsetWorksheetCells()
-
-
- /**
- * Initialise this new cell collection
- *
- * @param PHPExcel_Worksheet $parent The worksheet for this cell collection
- */
- public function __construct(PHPExcel_Worksheet $parent) {
- parent::__construct($parent);
- if (is_null($this->_DBHandle)) {
- $this->_TableName = str_replace('.','_',$this->_getUniqueID());
- $_DBName = ':memory:';
-
- $this->_DBHandle = new SQLite3($_DBName);
- if ($this->_DBHandle === false)
- throw new Exception($this->_DBHandle->lastErrorMsg());
- if (!$this->_DBHandle->exec('CREATE TABLE kvp_'.$this->_TableName.' (id VARCHAR(12) PRIMARY KEY, value BLOB)'))
- throw new Exception($this->_DBHandle->lastErrorMsg());
- }
- } // function __construct()
-
-
- /**
- * Destroy this cell collection
- */
- public function __destruct() {
- if (!is_null($this->_DBHandle)) {
- $this->_DBHandle->close();
- }
- $this->_DBHandle = null;
- } // function __destruct()
-
-
- /**
- * Identify whether the caching method is currently available
- * Some methods are dependent on the availability of certain extensions being enabled in the PHP build
- *
- * @return boolean
- */
- public static function cacheMethodIsAvailable() {
- if (!class_exists('SQLite3',FALSE)) {
- return false;
- }
-
- return true;
- }
-
-}
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