src/include/cmap.h

   1 // -*- C++ -*-
   2 /* Copyright (C) 1989, 1990, 1991, 1992 Free Software Foundation, Inc.
   3      Written by James Clark (jjc@jclark.com)
   4
   5 This file is part of groff.
   6
   7 groff is free software; you can redistribute it and/or modify it under
   8 the terms of the GNU General Public License as published by the Free
   9 Software Foundation; either version 2, or (at your option) any later
  10 version.
  11
  12 groff is distributed in the hope that it will be useful, but WITHOUT ANY
  13 WARRANTY; without even the implied warranty of MERCHANTABILITY or
  14 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  15 for more details.
  16
  17 You should have received a copy of the GNU General Public License along
  18 with groff; see the file COPYING.  If not, write to the Free Software
  19 Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
  20
  21 #ifndef UCHAR_MAX
  22 #define UCHAR_MAX 255
  23 #endif
  24
  25 enum cmap_builtin { CMAP_BUILTIN };
  26
  27 class cmap {
  28 public:
  29   cmap();
  30   cmap(cmap_builtin);
  31   int operator()(unsigned char) const;
  32   unsigned char &operator[](unsigned char);
  33
  34   friend class cmap_init;
  35 private:
  36   unsigned char v[UCHAR_MAX+1];
  37 };
  38
  39 inline int cmap::operator()(unsigned char c) const
  40 {
  41   return v[c];
  42 }
  43
  44 inline unsigned char &cmap::operator[](unsigned char c)
  45 {
  46   return v[c];
  47 }
  48
  49 extern cmap cmlower;
  50 extern cmap cmupper;
  51
  52 static class cmap_init {
  53   static int initialised;
  54 public:
  55   cmap_init();
  56 } _cmap_init;