G4strstreambuf.hh

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//
// G4strstreambuf
//
// Class description:
//
// Buffer for cout/cerr streaming
 
// Authors: H.Yoshida, M.Nagamatu - November 1998
// Revisions: G.Cosmo, 1998-2013
// --------------------------------------------------------------------
#ifndef G4STRSTREAMBUF_HH
#define G4STRSTREAMBUF_HH 1
 
#include <streambuf>
 
#include "G4coutDestination.hh"
#include "globals.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() override;
 
  G4int overflow(G4int c = EOF) override;
  G4int sync() override;
 
#ifdef WIN32
  virtual G4int underflow();
#endif
 
  void SetDestination(G4coutDestination* dest);
  inline G4coutDestination* GetDestination() const;
  inline G4int ReceiveString();
 
 private:
  char* buffer = nullptr;
  G4int count = 0, size = 0;
  G4coutDestination* destination = nullptr;
 
  // hidden...
  G4strstreambuf(const G4strstreambuf&);
  G4strstreambuf& operator=(const G4strstreambuf&);
};
 
#include "G4strstreambuf.icc"
 
#endif