For God so loved the world, that He gave His only begotten Son, that all who believe in Him should not perish but have everlasting life
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 

151 lines
4.1 KiB

<?php
/**
* PHPExcel_CalcEngine_Logger
*
* Copyright (c) 2006 - 2015 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_Calculation
* @copyright Copyright (c) 2006 - 2015 PHPExcel (http://www.codeplex.com/PHPExcel)
* @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL
* @version ##VERSION##, ##DATE##
*/
class PHPExcel_CalcEngine_Logger
{
/**
* Flag to determine whether a debug log should be generated by the calculation engine
* If true, then a debug log will be generated
* If false, then a debug log will not be generated
*
* @var boolean
*/
private $writeDebugLog = false;
/**
* Flag to determine whether a debug log should be echoed by the calculation engine
* If true, then a debug log will be echoed
* If false, then a debug log will not be echoed
* A debug log can only be echoed if it is generated
*
* @var boolean
*/
private $echoDebugLog = false;
/**
* The debug log generated by the calculation engine
*
* @var string[]
*/
private $debugLog = array();
/**
* The calculation engine cell reference stack
*
* @var PHPExcel_CalcEngine_CyclicReferenceStack
*/
private $cellStack;
/**
* Instantiate a Calculation engine logger
*
* @param PHPExcel_CalcEngine_CyclicReferenceStack $stack
*/
public function __construct(PHPExcel_CalcEngine_CyclicReferenceStack $stack)
{
$this->cellStack = $stack;
}
/**
* Enable/Disable Calculation engine logging
*
* @param boolean $pValue
*/
public function setWriteDebugLog($pValue = false)
{
$this->writeDebugLog = $pValue;
}
/**
* Return whether calculation engine logging is enabled or disabled
*
* @return boolean
*/
public function getWriteDebugLog()
{
return $this->writeDebugLog;
}
/**
* Enable/Disable echoing of debug log information
*
* @param boolean $pValue
*/
public function setEchoDebugLog($pValue = false)
{
$this->echoDebugLog = $pValue;
}
/**
* Return whether echoing of debug log information is enabled or disabled
*
* @return boolean
*/
public function getEchoDebugLog()
{
return $this->echoDebugLog;
}
/**
* Write an entry to the calculation engine debug log
*/
public function writeDebugLog()
{
// Only write the debug log if logging is enabled
if ($this->writeDebugLog) {
$message = implode(func_get_args());
$cellReference = implode(' -> ', $this->cellStack->showStack());
if ($this->echoDebugLog) {
echo $cellReference,
($this->cellStack->count() > 0 ? ' => ' : ''),
$message,
PHP_EOL;
}
$this->debugLog[] = $cellReference .
($this->cellStack->count() > 0 ? ' => ' : '') .
$message;
}
}
/**
* Clear the calculation engine debug log
*/
public function clearLog()
{
$this->debugLog = array();
}
/**
* Return the calculation engine debug log
*
* @return string[]
*/
public function getLog()
{
return $this->debugLog;
}
}