G4FRofstream.hh

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#ifndef G4_FR_OFSTREAM_HH
#define G4_FR_OFSTREAM_HH
 
#include <fstream>
 
#include "globals.hh"
 
class G4FRofstream
{
 public:
  enum
  {
    SEND_BUFMAX = 1024
  };
 
 public:
  // constructors
  G4FRofstream() { flag_file_open = false; }
  G4FRofstream(const char* filename);
 
  // destructor
  virtual ~G4FRofstream();
 
  // open and close
  void Open(const char* filename);
  void Close();
  G4bool IsOpen() { return flag_file_open; }
 
  // utilities
  void SendLine(const char* string);  // save string with new line
 
  // static functions
  static G4bool DoesFileExist(const char* filename);
 
 protected:
  G4bool flag_file_open;
  std::ofstream fout;
};
 
inline void G4FRofstream::Open(const char* filename)
{
  if(!IsOpen())
  {
    fout.open(filename);
    flag_file_open = true;
  }
}
 
inline void G4FRofstream::Close()
{
  if(IsOpen())
  {
    fout.close();
    flag_file_open = false;
  }
}
 
inline void G4FRofstream::SendLine(const char* message)
{
  if(IsOpen())
  {
    fout << message << G4endl;
  }
}
 
inline G4bool G4FRofstream::DoesFileExist(const char* filename)
{
  G4bool status = false;
 
  std::ifstream fout_tmp(filename);
  if(fout_tmp)
  {
    status = true;
  }
  fout_tmp.close();
 
  return status;
}
 
inline G4FRofstream::G4FRofstream(const char* filename)
{
  flag_file_open = false;
  Open(filename);
}
 
inline G4FRofstream::~G4FRofstream() { Close(); }
 
#endif