//
// ********************************************************************
// * DISCLAIMER                                                       *
// *                                                                  *
// * The following disclaimer summarizes all the specific disclaimers *
// * of contributors to this software. The specific disclaimers,which *
// * govern, are listed with their locations in:                      *
// *   http://cern.ch/geant4/license                                  *
// *                                                                  *
// * Neither the authors of this software system, nor their employing *
// * institutes,nor the agencies providing financial support for this *
// * work  make  any representation or  warranty, express or implied, *
// * regarding  this  software system or assume any liability for its *
// * use.                                                             *
// *                                                                  *
// * This  code  implementation is the  intellectual property  of the *
// * GEANT4 collaboration.                                            *
// * By copying,  distributing  or modifying the Program (or any work *
// * based  on  the Program)  you indicate  your  acceptance of  this *
// * statement, and all its terms.                                    *
// ********************************************************************
//
//
// $Id: G4strstreambuf.icc,v 1.9 2003/06/06 16:17:15 gcosmo Exp $
// GEANT4 tag $Name: geant4-05-02 $
//
// 
// ---------------------------------------------------------------
//
// class G4strstreambuf
// inline implementation
// 
// ---------------------------------------------------------------

inline
G4strstreambuf::G4strstreambuf()
{
  destination = 0;
  count = 0;
  size = 4095;
  buffer = new char[size+1];
}

inline
G4strstreambuf::~G4strstreambuf()
{
  delete [] buffer;
}

inline
G4strstreambuf::G4strstreambuf(const G4strstreambuf& right)
   : std_streambuf(), destination(right.destination),
     buffer(right.buffer), count(right.count), size(right.size)
{
}

inline
G4strstreambuf& G4strstreambuf::operator=(const G4strstreambuf& right)
{
  if (&right==this) return *this;

  destination = right.destination;
  buffer = right.buffer;
  count = right.count;
  size = right.size;

  return *this;
}

inline
void G4strstreambuf::SetDestination(G4coutDestination * value)
{
  destination = value;
}

inline
G4int G4strstreambuf::overflow(G4int c)
{
  G4int result = 0;
  if(count>=size)  result = sync();
  buffer[count] = c;
  count++;
  if(c=='\n')
  {
    result = sync();

    // Fix to overcome a bug on GNU gcc-3.0.X compilers. The return value
    // for cout, cerr overflow() function has to be c instead of 0 when
    // buffer is flushed for carriage-return.
    //
    #if (__GNUC__==3) && (__GNUC_MINOR__==0)
        if (this == & G4coutbuf || this == & G4cerrbuf)  result = c;
    #endif
  }
  return result;
}

inline
G4int G4strstreambuf::sync()
{
  buffer[count] = '\0';
  count = 0;
  return ReceiveString ();
}

#ifdef WIN32
inline
G4int G4strstreambuf::underflow()
{
  return 0;
}
#endif

inline
G4int G4strstreambuf::ReceiveString ()
{
  G4String stringToSend(buffer);
  G4int result =0;
  if(this == & G4coutbuf && destination != 0) {
    result =  destination->ReceiveG4cout(stringToSend);
  } else if(this == & G4cerrbuf && destination != 0) {
    result =  destination->ReceiveG4cerr(stringToSend);
  } else if(this == & G4coutbuf && destination == 0) {
    std::cout << stringToSend << std::flush;
    result =0;
  } else if(this == & G4cerrbuf && destination == 0) {
    std::cerr << stringToSend << std::flush;
    result =0;
  }
  return result;
}