G4FRofstream.hh

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//
// $Id$
//
#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

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