G4FilecoutDestination.hh

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// G4FilecoutDestination
//
// Class description:
//
// Implements a cout destination to a file.
 
//      ---------------- G4FilecoutDestination ----------------
//
// Author: A.Dotti (SLAC), April 2017
// --------------------------------------------------------------------
#ifndef G4FILECOUTDESTINATION_HH
#define G4FILECOUTDESTINATION_HH
 
#include <fstream>
#include <memory>
 
#include "G4coutDestination.hh"
 
class G4FilecoutDestination : public G4coutDestination
{
 public:
  explicit G4FilecoutDestination(
    const G4String& fname, std::ios_base::openmode mode = std::ios_base::app)
    : m_name(fname)
    , m_mode(mode)
    , m_output(nullptr)
  {}
  virtual ~G4FilecoutDestination();
 
  void SetFileName(const G4String& fname) { m_name = fname; }
 
  void Open(std::ios_base::openmode mode = std::ios_base::app);
  // By default append to existing file
  void Close();
 
  virtual G4int ReceiveG4cout(const G4String& msg) override;
  virtual G4int ReceiveG4cerr(const G4String& msg) override;
 
 private:
  G4String m_name;
  std::ios_base::openmode m_mode;
  std::unique_ptr<std::ofstream> m_output;
};
 
#endif