G4FRofstream.hh

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// * the Geant4 Collaboration.  It is provided  under  the terms  and *
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//
//
#include <fstream>

#if !defined G4_FR_OFSTREAM_HH
#define      G4_FR_OFSTREAM_HH


#include "globals.hh"

//typedef int G4bool ;
//#define false 0 ;
//#define true  1 ;

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