/*
 * ConfigFileBuffer.hpp
 *
 *  Created on: 12.06.2010
 *      Author: heber
 */

#ifndef CONFIGFILEBUFFER_HPP_
#define CONFIGFILEBUFFER_HPP_


/*********************************************** includes ***********************************/

// include config.h
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <iosfwd>

/****************************************** forward declarations *****************************/

/********************************************** declarations *******************************/

class ConfigFileBuffer {
  public:
    char **buffer;
    int *LineMapping;
    int CurrentLine;
    int NoLines;

    ConfigFileBuffer();
    ConfigFileBuffer(const char * const filename);
    ~ConfigFileBuffer();

    void InitFileBuffer(const char * const filename);
    void InitFileBuffer(std::istream *file);
    void MapIonTypesInBuffer(const int NoAtoms);

private:

    /*
     * Whether LineMapping is allocated or not.
     */
    bool MappingAllocated;

    void InitMapping();
    void RemoveMapping();
    void RemoveBuffer();
};


#endif /* CONFIGFILEBUFFER_HPP_ */