diff options
Diffstat (limited to 'admin/survey/excel/PHPExcel/CachedObjectStorage/DiscISAM.php')
| -rw-r--r-- | admin/survey/excel/PHPExcel/CachedObjectStorage/DiscISAM.php | 205 |
1 files changed, 0 insertions, 205 deletions
diff --git a/admin/survey/excel/PHPExcel/CachedObjectStorage/DiscISAM.php b/admin/survey/excel/PHPExcel/CachedObjectStorage/DiscISAM.php deleted file mode 100644 index d93ab05..0000000 --- a/admin/survey/excel/PHPExcel/CachedObjectStorage/DiscISAM.php +++ /dev/null @@ -1,205 +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_DiscISAM
- *
- * @category PHPExcel
- * @package PHPExcel_CachedObjectStorage
- * @copyright Copyright (c) 2006 - 2012 PHPExcel (http://www.codeplex.com/PHPExcel)
- */
-class PHPExcel_CachedObjectStorage_DiscISAM extends PHPExcel_CachedObjectStorage_CacheBase implements PHPExcel_CachedObjectStorage_ICache {
-
- /**
- * Name of the file for this cache
- *
- * @var string
- */
- private $_fileName = null;
-
- /**
- * File handle for this cache file
- *
- * @var resource
- */
- private $_fileHandle = null;
-
- /**
- * Directory/Folder where the cache file is located
- *
- * @var string
- */
- private $_cacheDirectory = NULL;
-
-
- /**
- * Store cell data in cache for the current cell object if it's "dirty",
- * and the 'nullify' the current cell object
- *
- * @return void
- * @throws Exception
- */
- private function _storeData() {
- if ($this->_currentCellIsDirty) {
- $this->_currentObject->detach();
-
- fseek($this->_fileHandle,0,SEEK_END);
- $offset = ftell($this->_fileHandle);
- fwrite($this->_fileHandle, serialize($this->_currentObject));
- $this->_cellCache[$this->_currentObjectID] = array('ptr' => $offset,
- 'sz' => ftell($this->_fileHandle) - $offset
- );
- $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;
- }
- $this->_storeData();
-
- // Check if the entry that has been requested actually exists
- if (!isset($this->_cellCache[$pCoord])) {
- // Return null if requested entry doesn't exist in cache
- return null;
- }
-
- // Set current entry to the requested entry
- $this->_currentObjectID = $pCoord;
- fseek($this->_fileHandle,$this->_cellCache[$pCoord]['ptr']);
- $this->_currentObject = unserialize(fread($this->_fileHandle,$this->_cellCache[$pCoord]['sz']));
- // Re-attach the parent worksheet
- $this->_currentObject->attach($this->_parent);
-
- // Return requested entry
- return $this->_currentObject;
- } // function getCacheData()
-
-
- /**
- * Clone the cell collection
- *
- * @param PHPExcel_Worksheet $parent The new worksheet
- * @return void
- */
- public function copyCellCollection(PHPExcel_Worksheet $parent) {
- parent::copyCellCollection($parent);
- // Get a new id for the new file name
- $baseUnique = $this->_getUniqueID();
- $newFileName = $this->_cacheDirectory.'/PHPExcel.'.$baseUnique.'.cache';
- // Copy the existing cell cache file
- copy ($this->_fileName,$newFileName);
- $this->_fileName = $newFileName;
- // Open the copied cell cache file
- $this->_fileHandle = fopen($this->_fileName,'a+');
- } // 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;
- }
- $this->_cellCache = array();
-
- // 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
- * @param array of mixed $arguments Additional initialisation arguments
- */
- public function __construct(PHPExcel_Worksheet $parent, $arguments) {
- $this->_cacheDirectory = ((isset($arguments['dir'])) && ($arguments['dir'] !== NULL))
- ? $arguments['dir']
- : PHPExcel_Shared_File::sys_get_temp_dir();
-
- parent::__construct($parent);
- if (is_null($this->_fileHandle)) {
- $baseUnique = $this->_getUniqueID();
- $this->_fileName = $this->_cacheDirectory.'/PHPExcel.'.$baseUnique.'.cache';
- $this->_fileHandle = fopen($this->_fileName,'a+');
- }
- } // function __construct()
-
-
- /**
- * Destroy this cell collection
- */
- public function __destruct() {
- if (!is_null($this->_fileHandle)) {
- fclose($this->_fileHandle);
- unlink($this->_fileName);
- }
- $this->_fileHandle = null;
- } // function __destruct()
-
-}
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