3886c47ebe
Refactoring of calculation engine for improved performance and memory usage Refactoring of cell object to eliminate data duplication and reduce memory
110 lines
3.0 KiB
PHP
110 lines
3.0 KiB
PHP
<?php
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/**
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* PHPExcel
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*
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* Copyright (c) 2006 - 2012 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_Calculation
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* @copyright Copyright (c) 2006 - 2012 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_Calculation_Logger
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*
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* @category PHPExcel
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* @package PHPExcel_Calculation
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* @copyright Copyright (c) 2006 - 2012 PHPExcel (http://www.codeplex.com/PHPExcel)
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*/
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class PHPExcel_CalcEngine_Logger {
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/**
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* Flag to determine whether a debug log should be generated by the calculation engine
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* If true, then a debug log will be generated
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* If false, then a debug log will not be generated
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*
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* @var boolean
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*
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*/
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private $_writeDebugLog = FALSE;
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/**
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* Flag to determine whether a debug log should be echoed by the calculation engine
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* If true, then a debug log will be echoed
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* If false, then a debug log will not be echoed
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* A debug log can only be echoed if it is generated
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*
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* @var boolean
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*
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*/
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private $_echoDebugLog = FALSE;
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/**
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* The debug log generated by the calculation engine
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*
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* @var string[]
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*
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*/
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private $_debugLog = array();
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public function setWriteDebugLog($pValue = FALSE) {
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$this->_writeDebugLog = $pValue;
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}
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public function getWriteDebugLog() {
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return $this->_writeDebugLog;
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}
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public function setEchoDebugLog($pValue = FALSE) {
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$this->_echoDebugLog = $pValue;
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}
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public function getEchoDebugLog() {
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return $this->_echoDebugLog;
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}
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public function writeDebugLog(array $cellReferencePath) {
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// Only write the debug log if logging is enabled
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if ($this->_writeDebugLog) {
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$message = func_get_args();
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array_shift($message);
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$cellReference = implode(' -> ', $cellReferencePath);
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$message = implode($message);
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if ($this->_echoDebugLog) {
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echo $cellReference, (count($cellReferencePath) > 0 ? ' => ' : ''), $message,PHP_EOL;
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}
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$this->_debugLog[] = $cellReference . (count($cellReferencePath) > 0 ? ' => ' : '') . $message;
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}
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} // function _writeDebug()
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public function clearLog() {
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$this->_debugLog = array();
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} // function flushLogger()
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public function getLog() {
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return $this->_debugLog;
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} // function flushLogger()
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} // class PHPExcel_Calculation_Logger
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