/**********************************************************************************
*                                                                                 *
*  Copyright (c) 2003 - 2004 by Royal. All rights reserved.                       *
*                                                                                 *
*  Permission to use, copy, modify, and distribute this software for any purpose  *
*  is hereby granted without fee, provided that this copyright and permissions    *
*  notice appear in all copies and derivatives, and that no charge may be made    *
*  for the software and its documentation except to cover cost of distribution.   *
*                                                                                 *
*  This software is provided "as is" without express or implied warranty.         *
*                                                                                 *
**********************************************************************************/

/*
*  Description:
*
*    Declaration of class FileSplitter.
*
*  History:
*
*    Initial version created by Royal, May, 2003.
*
*  Notes:
*
*    This code has been written to conform to standard C++ and STL. It has been
*    compiled successfully using GNU C++ 3.2, Borland C++ 5.5, and Visual C++ 7.0.
*/

#ifndef FILE_SPLITTER_H
#define FILE_SPLITTER_H

#include <iostream>
#include <vector>
#include <string>
using namespace std;

class FileSplitter
{
public:
    FileSplitter(const string& name, int max_chunk_size = 1024*1024);
    ~FileSplitter();
    void merge();
    void split();     
private:
    bool read(const string& name, vector<char>& buffer);
    bool write(const string& name, const vector<char>& buffer);
private:
    vector<char> buffer_;    //buffer of file
    size_t size_;            //size of file
    string name_;            //name of file
    size_t max_chunk_size_;  //maximal size of chunk file
};

#endif