SplitStream.h

Go to the documentation of this file.

/*  This file is part of Charon.

    Charon is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    Charon 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 Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public License
    along with Charon.  If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _SPLIT_STREAM_H_
#define _SPLIT_STREAM_H_

#include <iostream>
#include <vector>
#include "DllEx.h"

class charon_core_DLL_PUBLIC SplitStreamBuf : public std::streambuf {
private:
    std::vector<std::streambuf*> _buffers;
    charon_core_LOCAL SplitStreamBuf(const SplitStreamBuf&);
    void charon_core_LOCAL operator= (const SplitStreamBuf&);

public:
    SplitStreamBuf(const std::vector<std::streambuf*>& buffers);
    virtual ~SplitStreamBuf();

    int overflow(int c);

    std::streamsize xsputn(char const* str, std::streamsize size);

    int sync();
};

class charon_core_DLL_PUBLIC SplitStream : public std::ostream {
public:

    SplitStream();

    SplitStream(std::ostream& stream);

    SplitStream(std::ostream& stream1, std::ostream& stream2);

    SplitStream(std::vector<std::ostream*>& streamList);

    virtual ~SplitStream();

    // \{
    void assign(std::ostream& stream = std::cout);
    void assign(std::ostream& stream1, std::ostream &stream2);
    void assign(std::vector<std::ostream*>& streamsList);
    // \}

private:
    std::vector<std::streambuf*> _buffers; 
    SplitStreamBuf* _buffer;   

    void charon_core_LOCAL updateBuf(std::vector<std::streambuf*> buffers);
};

extern charon_core_DLL_PUBLIC SplitStream sout;

#endif /* _SPLIT_STREAM_H_ */