<?php 
/***************************************************************************
 *   Copyright (C) 2006 by phpSysInfo - A PHP System Information Script    *
 *   http://phpsysinfo.sourceforge.net/                                    *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program 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 General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************/

// $Id: class.error.inc.php 18205 2007-08-13 13:05:58Z skwashd $

class Error {

	// Array which holds the error messages
	var $arrErrorList 	= array();
	// current number of errors encountered
	var $errors 		= 0;

	/**
	*
	*  addError()
	*  
	*  @param	strCommand	string		Command, which cause the Error
	*  @param	strMessage	string		additional Message, to describe the Error
	*  @param	intLine		integer		on which line the Error occours
	*  @param	strFile		string		in which File the Error occours
	*
	*  @return	-
	*
	**/
	function addError( $strCommand, $strMessage, $intLine, $strFile ) {
		$this->arrErrorList[$this->errors]['command'] = $strCommand;
		$this->arrErrorList[$this->errors]['message'] = $strMessage;
		$this->arrErrorList[$this->errors]['line']    = $intLine;
		$this->arrErrorList[$this->errors]['file']    = basename( $strFile );
		$this->errors++;
	}

	/**
	*
	*  addWarning()
	*
	*  @param	strMessage	string		Warning message to display
	*
	*  @return	-
	*
	**/
	function addWarning( $strMessage ) {
		$this->arrErrorList[$this->errors]['command'] = "WARN";
		$this->arrErrorList[$this->errors]['message'] = $strMessage;
		$this->errors++;
	}

	/**
	*
	* ErrorsAsHTML()
	*
	* @param	-
	*
	* @return	string		string which contains a HTML table which can be used to echo out the errors
	*
	**/
	function ErrorsAsHTML() {
		$strHTMLString = "";
		$strWARNString = "";
		$strHTMLhead = "<table width=\"100%\" border=\"0\">\n"
				. "\t<tr>\n"
				. "\t\t<td><font size=\"-1\"><b>File</b></font></td>\n"
				. "\t\t<td><font size=\"-1\"><b>Line</b></font></td>\n"
				. "\t\t<td><font size=\"-1\"><b>Command</b></font></td>\n"
				. "\t\t<td><font size=\"-1\"><b>Message</b></font></td>\n"
				. "\t</tr>\n";
		$strHTMLfoot = "</table>\n";

		if( $this->errors > 0 ) {
			foreach( $this->arrErrorList as $arrLine ) {
				if( $arrLine['command'] == "WARN" ) {
					$strWARNString .= "<font size=\"-1\"><b>WARNING: " . str_replace( "\n", "<br>", htmlspecialchars( $arrLine['message'] ) ) . "</b></font><br>\n";
				} else {
					$strHTMLString .= "\t<tr>\n"
							. "\t\t<td><font size=\"-1\">" . htmlspecialchars( $arrLine['file'] ) . "</font></td>\n"
							. "\t\t<td><font size=\"-1\">" . $arrLine['line'] . "</font></td>\n"
							. "\t\t<td><font size=\"-1\">" . htmlspecialchars( $arrLine['command'] ) . "</font></td>\n"
							. "\t\t<td><font size=\"-1\">" . str_replace( "\n", "<br>", htmlspecialchars( $arrLine['message'] ) ) . "</font></td>\n"
							. "\t</tr>\n";
				}
			}
		}

		if( !empty( $strHTMLString ) ) {
			$strHTMLString = $strWARNString . $strHTMLhead . $strHTMLString . $strHTMLfoot;
		} else {
			$strHTMLString = $strWARNString;
		}
		
		return $strHTMLString;
	}

	/**
	*
	* ErrorsExist()
	*
	* @param	-
	*
	* @return 	true	there are errors logged
	*		false	no errors logged
	*
	**/
	function ErrorsExist() {
		if( $this->errors > 0 ) {
			return true;
		} else {
			return false;
		}
	}
}
?>
