src/encoding.h

   1 // -*- C++ -*-
   2 /* This file is part of
   3  * ======================================================
   4  *
   5  *           LyX, The Document Processor
   6  *
   7  *           Copyright 1995 Matthias Ettrich
   8  *           Copyright 1995-2000 The LyX Team.
   9  *
  10  * ====================================================== */
  11
  12 #ifndef ENCODING_H
  13 #define ENCODING_H
  14
  15 #ifdef __GNUG__
  16 #pragma interface
  17 #endif
  18
  19 #include "LString.h"
  20 #include "lyxrc.h"
  21
  22 ///
  23 typedef unsigned short int Uchar;
  24
  25 ///
  26 class Encoding {
  27 public:
  28         ///
  29         enum Letter_Form {
  30                 ///
  31                 FORM_ISOLATED,
  32                 ///
  33                 FORM_FINAL,
  34                 ///
  35                 FORM_INITIAL,
  36                 ///
  37                 FORM_MEDIAL
  38         };
  39         ///
  40         Encoding(string const & l, Uchar const * e)
  41                 : LatexName_(l) , encoding_table(e) {}
  42         ///
  43         string const & LatexName() const {
  44                 return LatexName_;
  45         }
  46         ///
  47         Uchar ucs(unsigned char c) const {
  48                 return encoding_table[c];
  49         }
  50         ///
  51         static
  52         bool IsComposeChar_hebrew(unsigned char c);
  53         ///
  54         static
  55         bool IsComposeChar_arabic(unsigned char c);
  56         ///
  57         static
  58         bool is_arabic(unsigned char c);
  59         ///
  60         static
  61         unsigned char TransformChar(unsigned char c, Letter_Form form);
  62 private:
  63         ///
  64         string LatexName_;
  65         ///
  66         Uchar const * encoding_table;
  67 };
  68
  69 ///
  70 extern Encoding iso8859_1;
  71 ///
  72 extern Encoding iso8859_2;
  73 ///
  74 extern Encoding iso8859_3;
  75 ///
  76 extern Encoding iso8859_4;
  77 ///
  78 extern Encoding iso8859_6;
  79 ///
  80 extern Encoding iso8859_7;
  81 ///
  82 extern Encoding iso8859_9;
  83 ///
  84 extern Encoding cp1255;
  85 ///
  86 extern Encoding koi8;
  87 ///
  88 extern Encoding symbol_encoding;
  89
  90 #endif