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merrix
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‎Autoloader.php

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<?php
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/**
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* PHPExcel
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*
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* Copyright (c) 2006 - 2011 PHPExcel
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* @category PHPExcel
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* @package PHPExcel
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* @copyright Copyright (c) 2006 - 2011 PHPExcel (http://www.codeplex.com/PHPExcel)
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* @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL
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* @version ##VERSION##, ##DATE##
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*/
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PHPExcel_Autoloader::Register();
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PHPExcel_Shared_ZipStreamWrapper::register();
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// check mbstring.func_overload
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if (ini_get('mbstring.func_overload') & 2) {
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throw new Exception('Multibyte function overloading in PHP must be disabled for string functions (2).');
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}
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PHPExcel_Shared_String::buildCharacterSets();
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class PHPExcel_Autoloader
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{
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public static function Register() {
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return spl_autoload_register(array('PHPExcel_Autoloader', 'Load'));
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} // function Register()
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public static function Load($pObjectName){
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if ((class_exists($pObjectName)) || (strpos($pObjectName, 'PHPExcel') === False)) {
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return false;
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}
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$pObjectFilePath = PHPEXCEL_ROOT.
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str_replace('_',DIRECTORY_SEPARATOR,$pObjectName).
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'.php';
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if ((file_exists($pObjectFilePath) === false) || (is_readable($pObjectFilePath) === false)) {
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return false;
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}
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require($pObjectFilePath);
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} // function Load()
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}

‎CachedObjectStorage/APC.php

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<?php
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/**
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* PHPExcel
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*
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* Copyright (c) 2006 - 2011 PHPExcel
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* @category PHPExcel
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* @package PHPExcel_CachedObjectStorage
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* @copyright Copyright (c) 2006 - 2011 PHPExcel (http://www.codeplex.com/PHPExcel)
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* @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL
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* @version ##VERSION##, ##DATE##
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*/
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/**
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* PHPExcel_CachedObjectStorage_APC
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*
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* @category PHPExcel
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* @package PHPExcel_CachedObjectStorage
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* @copyright Copyright (c) 2006 - 2011 PHPExcel (http://www.codeplex.com/PHPExcel)
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*/
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class PHPExcel_CachedObjectStorage_APC extends PHPExcel_CachedObjectStorage_CacheBase implements PHPExcel_CachedObjectStorage_ICache {
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private $_cachePrefix = null;
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private $_cacheTime = 600;
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private function _storeData() {
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$this->_currentObject->detach();
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if (!apc_store($this->_cachePrefix.$this->_currentObjectID.'.cache',serialize($this->_currentObject),$this->_cacheTime)) {
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$this->__destruct();
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throw new Exception('Failed to store cell '.$cellID.' in APC');
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}
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$this->_currentObjectID = $this->_currentObject = null;
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} // function _storeData()
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/**
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* Add or Update a cell in cache identified by coordinate address
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*
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* @param string $pCoord Coordinate address of the cell to update
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* @param PHPExcel_Cell $cell Cell to update
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* @return void
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* @throws Exception
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*/
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public function addCacheData($pCoord, PHPExcel_Cell $cell) {
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if (($pCoord !== $this->_currentObjectID) && ($this->_currentObjectID !== null)) {
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$this->_storeData();
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}
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$this->_cellCache[$pCoord] = true;
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$this->_currentObjectID = $pCoord;
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$this->_currentObject = $cell;
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return $cell;
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} // function addCacheData()
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/**
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* Is a value set in the current PHPExcel_CachedObjectStorage_ICache for an indexed cell?
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*
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* @param string $pCoord Coordinate address of the cell to check
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* @return void
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* @return boolean
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*/
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public function isDataSet($pCoord) {
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// Check if the requested entry is the current object, or exists in the cache
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if (parent::isDataSet($pCoord)) {
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if ($this->_currentObjectID == $pCoord) {
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return true;
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}
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// Check if the requested entry still exists in apc
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$success = apc_fetch($this->_cachePrefix.$pCoord.'.cache');
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if ($success === false) {
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// Entry no longer exists in APC, so clear it from the cache array
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parent::deleteCacheData($pCoord);
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throw new Exception('Cell entry '.$cellID.' no longer exists in APC');
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}
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return true;
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}
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return false;
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} // function isDataSet()
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/**
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* Get cell at a specific coordinate
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*
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* @param string $pCoord Coordinate of the cell
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* @throws Exception
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* @return PHPExcel_Cell Cell that was found, or null if not found
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*/
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public function getCacheData($pCoord) {
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if ($pCoord === $this->_currentObjectID) {
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return $this->_currentObject;
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}
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$this->_storeData();
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// Check if the entry that has been requested actually exists
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if (parent::isDataSet($pCoord)) {
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$obj = apc_fetch($this->_cachePrefix.$pCoord.'.cache');
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if ($obj === false) {
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// Entry no longer exists in APC, so clear it from the cache array
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parent::deleteCacheData($pCoord);
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throw new Exception('Cell entry '.$cellID.' no longer exists in APC');
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}
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} else {
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// Return null if requested entry doesn't exist in cache
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return null;
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}
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// Set current entry to the requested entry
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$this->_currentObjectID = $pCoord;
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$this->_currentObject = unserialize($obj);
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// Re-attach the parent worksheet
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$this->_currentObject->attach($this->_parent);
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// Return requested entry
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return $this->_currentObject;
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} // function getCacheData()
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/**
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* Delete a cell in cache identified by coordinate address
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*
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* @param string $pCoord Coordinate address of the cell to delete
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* @throws Exception
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*/
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public function deleteCacheData($pCoord) {
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// Delete the entry from APC
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apc_delete($this->_cachePrefix.$pCoord.'.cache');
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// Delete the entry from our cell address array
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parent::deleteCacheData($pCoord);
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} // function deleteCacheData()
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/**
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* Clone the cell collection
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*
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* @return void
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*/
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public function copyCellCollection(PHPExcel_Worksheet $parent) {
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parent::copyCellCollection($parent);
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// Get a new id for the new file name
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$baseUnique = $this->_getUniqueID();
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$newCachePrefix = substr(md5($baseUnique),0,8).'.';
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$cacheList = $this->getCellList();
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foreach($cacheList as $cellID) {
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if ($cellID != $this->_currentObjectID) {
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$obj = apc_fetch($this->_cachePrefix.$cellID.'.cache');
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if ($obj === false) {
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// Entry no longer exists in APC, so clear it from the cache array
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parent::deleteCacheData($cellID);
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throw new Exception('Cell entry '.$cellID.' no longer exists in APC');
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}
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if (!apc_store($newCachePrefix.$cellID.'.cache',$obj,$this->_cacheTime)) {
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$this->__destruct();
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throw new Exception('Failed to store cell '.$cellID.' in APC');
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}
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}
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}
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$this->_cachePrefix = $newCachePrefix;
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} // function copyCellCollection()
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public function unsetWorksheetCells() {
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if(!is_null($this->_currentObject)) {
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$this->_currentObject->detach();
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$this->_currentObject = $this->_currentObjectID = null;
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}
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// Flush the APC cache
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$this->__destruct();
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$this->_cellCache = array();
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// detach ourself from the worksheet, so that it can then delete this object successfully
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$this->_parent = null;
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} // function unsetWorksheetCells()
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public function __construct(PHPExcel_Worksheet $parent, $arguments) {
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$cacheTime = (isset($arguments['cacheTime'])) ? $arguments['cacheTime'] : 600;
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if (is_null($this->_cachePrefix)) {
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$baseUnique = $this->_getUniqueID();
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$this->_cachePrefix = substr(md5($baseUnique),0,8).'.';
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$this->_cacheTime = $cacheTime;
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parent::__construct($parent);
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}
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} // function __construct()
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public function __destruct() {
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$cacheList = $this->getCellList();
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foreach($cacheList as $cellID) {
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apc_delete($this->_cachePrefix.$cellID.'.cache');
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}
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} // function __destruct()
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}

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