G4strstreambuf.icc

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//
// $Id$
// ====================================================================
//   G4strstreambuf.icc
//
// ====================================================================

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


inline G4strstreambuf::~G4strstreambuf()
{
  // flushing buffer...
  // std::cout is used because destination object may not be alive.
  if(count !=0) std::cout << buffer;

  delete [] buffer;
}


inline G4strstreambuf::G4strstreambuf(const G4strstreambuf& right)
  : std::basic_streambuf<char>(), 
    buffer(right.buffer), 
    count(right.count), size(right.size),
    destination(right.destination)
{
}


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 G4int G4strstreambuf::overflow(G4int c)
{
  G4int result= 0;
  if(count>=size) result= sync();

  buffer[count]= c;
  count++;

  return result;
}

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


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


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


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;
}

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