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<?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,v 1.9 2007/02/11 15:57:17 bigmichi1 Exp $

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;
                }
        }
}
?>