xiaoningsdiary/include/AppCore/TextParser.h

/*  Copyright (C) 2009 Väinö Lappi <djap84@gmail.com>

    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.

*/

/*
 * TextParser.h
 *
 *  Created on: 6.4.2009
 *      Author: djap
 *
 *  Functions to parse different options from lines that are read from setting files.
 *  Used for parsing settings from setting file, overwriting settings when saving setting file
 *  and parsing translated lines and locale options from language packs.
 */

#ifndef TEXTPARSER_H_
#define TEXTPARSER_H_

#include <QString>
#include <QByteArray>
#include <QFile>

class TextParser {
public:
        static QString GetLineIdentifier(const QByteArray &line);

        static bool ParseOption( QString &targetString, const QByteArray &line);        //used for parsing string type value from line
        static bool ParseOption( int &targetInteger, const QByteArray &line);           //used for parsing integer type value from line
        static bool ParseOption( qreal &targetReal, const QByteArray &line);            //used for parsing qreal type value from line
        static bool ParseOption( bool &targetBool, const QByteArray &line);                     //used for parsing bool type value from line ('0' = false, other = true)

        //These functions are used for overwriting the same things the functions above are used for parsing.
        static void WriteOption( const QString &optionName, const QString &valueString, const QByteArray &originalLine, QFile &targetFile );
        static void WriteOption( const QString &optionName, const int &value, const QByteArray &originalLine, QFile &targetFile );
        static void WriteOption( const QString &optionName, const qreal &value, const QByteArray &originalLine, QFile &targetFile );
        static void WriteOption( const QString &optionName, const bool &value, const QByteArray &originalLine, QFile &targetFile );
        
        //Used for adding new options to settings file.
        static void AddOption( const QString &optionName, const QString &valueString, QFile &targetFile );
        static void AddOption( const QString &optionName, const int &value, QFile &targetFile );
        static void AddOption( const QString &optionName, const qreal &value, QFile &targetFile );
        static void AddOption( const QString &optionName, const bool &value, QFile &targetFile );
};

#endif /* TEXTPARSER_H_ */

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