Logger.php in Loft Data Grids 6.2

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vendor/phpoffice/phpexcel/Classes/PHPExcel/CalcEngine/Logger.php

<?php

/**
 * PHPExcel
 *
 * Copyright (c) 2006 - 2014 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 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel)
 * @license	http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt	LGPL
 * @version	##VERSION##, ##DATE##
 */

/**
 * PHPExcel_CalcEngine_Logger
 *
 * @category	PHPExcel
 * @package		PHPExcel_Calculation
 * @copyright	Copyright (c) 2006 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel)
 */
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;
    }
  }

  //	function _writeDebug()

  /**
   * Clear the calculation engine debug log
   */
  public function clearLog() {
    $this->_debugLog = array();
  }

  //	function flushLogger()

  /**
   * Return the calculation engine debug log
   *
   * @return  string[]
   */
  public function getLog() {
    return $this->_debugLog;
  }

}

//	class PHPExcel_CalcEngine_Logger

Classes

Name	Description
PHPExcel_CalcEngine_Logger	PHPExcel_CalcEngine_Logger