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151 lines
4.1 KiB
151 lines
4.1 KiB
<?php |
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/** |
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* PHPExcel_CalcEngine_Logger |
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* |
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* Copyright (c) 2006 - 2015 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 - 2015 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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class PHPExcel_CalcEngine_Logger |
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{ |
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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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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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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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private $debugLog = array(); |
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/** |
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* The calculation engine cell reference stack |
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* |
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* @var PHPExcel_CalcEngine_CyclicReferenceStack |
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*/ |
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private $cellStack; |
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/** |
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* Instantiate a Calculation engine logger |
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* |
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* @param PHPExcel_CalcEngine_CyclicReferenceStack $stack |
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*/ |
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public function __construct(PHPExcel_CalcEngine_CyclicReferenceStack $stack) |
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{ |
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$this->cellStack = $stack; |
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} |
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/** |
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* Enable/Disable Calculation engine logging |
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* |
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* @param boolean $pValue |
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*/ |
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public function setWriteDebugLog($pValue = false) |
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{ |
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$this->writeDebugLog = $pValue; |
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} |
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/** |
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* Return whether calculation engine logging is enabled or disabled |
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* |
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* @return boolean |
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*/ |
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public function getWriteDebugLog() |
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{ |
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return $this->writeDebugLog; |
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} |
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/** |
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* Enable/Disable echoing of debug log information |
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* |
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* @param boolean $pValue |
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*/ |
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public function setEchoDebugLog($pValue = false) |
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{ |
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$this->echoDebugLog = $pValue; |
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} |
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/** |
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* Return whether echoing of debug log information is enabled or disabled |
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* |
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* @return boolean |
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*/ |
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public function getEchoDebugLog() |
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{ |
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return $this->echoDebugLog; |
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} |
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/** |
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* Write an entry to the calculation engine debug log |
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*/ |
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public function writeDebugLog() |
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{ |
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// Only write the debug log if logging is enabled |
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if ($this->writeDebugLog) { |
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$message = implode(func_get_args()); |
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$cellReference = implode(' -> ', $this->cellStack->showStack()); |
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if ($this->echoDebugLog) { |
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echo $cellReference, |
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($this->cellStack->count() > 0 ? ' => ' : ''), |
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$message, |
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PHP_EOL; |
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} |
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$this->debugLog[] = $cellReference . |
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($this->cellStack->count() > 0 ? ' => ' : '') . |
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$message; |
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} |
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} |
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/** |
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* Clear the calculation engine debug log |
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*/ |
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public function clearLog() |
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{ |
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$this->debugLog = array(); |
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} |
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/** |
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* Return the calculation engine debug log |
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* |
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* @return string[] |
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*/ |
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public function getLog() |
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{ |
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return $this->debugLog; |
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} |
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}
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