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