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G4FRofstream.hh
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25 //
26 //
27 // $Id$
28 //
29 #include <fstream>
30 
31 #if !defined G4_FR_OFSTREAM_HH
32 #define G4_FR_OFSTREAM_HH
33 
34 
35 #include "globals.hh"
36 
38 //typedef int G4bool ;
39 //#define false 0 ;
40 //#define true 1 ;
42 
43 class G4FRofstream {
44 
45  public:
46  enum { SEND_BUFMAX = 1024 };
47 
48  public:
49 
50  // constructors
51  G4FRofstream () { flag_file_open = false ; }
52  G4FRofstream ( const char* filename ) ;
53 
54  // destructor
55  virtual ~G4FRofstream ();
56 
57  // open and close
58  void Open ( const char* filename );
59  void Close() ;
61 
62  // utilities
63  void SendLine( const char* string ) ; // save string with new line
64 
65  // static functions
66  static G4bool DoesFileExist( const char* filename ) ;
67 
68  protected:
70  std::ofstream fout ;
71 } ;
72 
73 
74 inline void G4FRofstream::Open ( const char* filename )
75 {
76  if( !IsOpen() ) {
77  fout.open( filename ) ;
78  flag_file_open = true ;
79  }
80 }
81 
82 
83 inline void G4FRofstream::Close ()
84 {
85  if( IsOpen() ) {
86  fout.close();
87  flag_file_open = false ;
88  }
89 }
90 
91 inline void G4FRofstream::SendLine ( const char* message )
92 {
93  if ( IsOpen() ) {
94  fout << message << G4endl;
95  }
96 }
97 
98 
99 inline G4bool G4FRofstream::DoesFileExist ( const char* filename )
100 {
101  G4bool status = false ;
102 
103  std::ifstream fout_tmp( filename ) ;
104  if( fout_tmp ) { status = true ; }
105  fout_tmp.close();
106 
107  return status ;
108 }
109 
110 
111 inline
112 G4FRofstream::G4FRofstream ( const char* filename )
113 {
114  flag_file_open = false ;
115  Open( filename );
116 }
117 
118 inline
120 {
121  Close() ;
122 }
123 
124 
125 #endif