G4strstreambuf.hh

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//
// $Id: G4strstreambuf.hh 110251 2018-05-17 14:09:28Z gcosmo $
//
// ====================================================================
//
//   G4strstreambuf
//
// ====================================================================
#ifndef G4_STR_STREAM_BUF_HH
#define G4_STR_STREAM_BUF_HH

#include <streambuf>

#include "globals.hh"
#include "G4coutDestination.hh"

class G4strstreambuf;

#ifdef G4MULTITHREADED

  extern G4GLOB_DLL G4strstreambuf*& _G4coutbuf_p();
  extern G4GLOB_DLL G4strstreambuf*& _G4cerrbuf_p();
  #define G4coutbuf (*_G4coutbuf_p())
  #define G4cerrbuf (*_G4cerrbuf_p())

#else  // Sequential

  extern G4GLOB_DLL G4strstreambuf G4coutbuf;
  extern G4GLOB_DLL G4strstreambuf G4cerrbuf;

#endif

class G4strstreambuf : public std::basic_streambuf<char>
{
  public:

    G4strstreambuf();
    ~G4strstreambuf();
    
    virtual G4int overflow(G4int c=EOF);
    virtual G4int sync();

#ifdef WIN32
    virtual G4int underflow();
#endif

    void SetDestination(G4coutDestination* dest);
    inline G4coutDestination* GetDestination() const;
    inline G4int ReceiveString ();
  
  private:

    char* buffer;
    G4int count, size;
    G4coutDestination* destination;

    // hidden...
    G4strstreambuf(const G4strstreambuf&);
    G4strstreambuf& operator=(const G4strstreambuf&);
};

#include "G4strstreambuf.icc"

#endif