hdr/source-file.hh

   1 //
   2 //  source-file.hh -- declare Source_file
   3 //
   4 //  copyright 1997 Jan Nieuwenhuizen <jan@digicash.com>
   5
   6 #ifndef SOURCE_FILE_HH
   7 #define SOURCE_FILE_HH
   8
   9 /// class for reading and mapping a file.
  10 class Source_file
  11 {
  12 public:
  13     /** Ugh! filename gets changed! The path to the opened file may
  14        change, since it might be searched in multiple directories.  */
  15     Source_file( String& filename_str_r );
  16     virtual ~Source_file();
  17
  18     char const* ch_c_l();
  19     virtual String error_str( char const* pos_ch_c_l );
  20     istream* istream_l();
  21     bool in_b( char const* pos_ch_c_l );
  22     off_t length_off();
  23     virtual int line_i( char const* pos_ch_c_l );
  24     String name_str();
  25     String file_line_no_str( char const* ch_c_l );
  26
  27 private:
  28     void close();
  29     void map();
  30     void open();
  31     void unmap();
  32
  33     istream* istream_p_;
  34     int fildes_i_;
  35     String name_str_;
  36     off_t size_off_;
  37     caddr_t data_caddr_;
  38 };
  39
  40 #endif // SOURCE_FILE_HH //