LineReader.h

Go to the documentation of this file.

/****************************************************************************/
// Retrieves a file linewise and reports the lines to a handler.
/****************************************************************************/
// SUMO, Simulation of Urban MObility; see http://sumo.sourceforge.net/
// Copyright 2001-2010 DLR (http://www.dlr.de/) and contributors
/****************************************************************************/
//
//   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.
//
/****************************************************************************/
#ifndef LineReader_h
#define LineReader_h


// ===========================================================================
// included modules
// ===========================================================================
#ifdef _MSC_VER
#include <windows_config.h>
#else
#include <config.h>
#endif

#include <string>
#include <fstream>
#include <utils/common/UtilExceptions.h>


// ===========================================================================
// class declarations
// ===========================================================================
class LineHandler;


// ===========================================================================
// class definitions
// ===========================================================================
class LineReader {
public:
    LineReader() throw();


    LineReader(const std::string &file) throw();


    ~LineReader() throw();


    bool hasMore() const throw();


    void readAll(LineHandler &lh) throw(ProcessError);


    bool readLine(LineHandler &lh) throw(ProcessError);


    std::string readLine() throw();


    void close() throw();


    std::string getFileName() const throw();


    bool setFile(const std::string &file) throw();


    unsigned long getPosition() throw();


    void reinit() throw();


    void setPos(unsigned long pos) throw();


    bool good() const throw();


private:
    std::string myFileName;

    std::ifstream myStrm;

    char myBuffer[1024];

    std::string myStrBuffer;

    unsigned int myRead;

    unsigned int myAvailable;

    unsigned int myRread;

};


#endif

/****************************************************************************/