gnu/dist/groff/src/include/cmap.h

   1 /*      $NetBSD$        */
   2
   3 // -*- C++ -*-
   4 /* Copyright (C) 1989, 1990, 1991, 1992 Free Software Foundation, Inc.
   5      Written by James Clark (jjc@jclark.com)
   6
   7 This file is part of groff.
   8
   9 groff is free software; you can redistribute it and/or modify it under
  10 the terms of the GNU General Public License as published by the Free
  11 Software Foundation; either version 2, or (at your option) any later
  12 version.
  13
  14 groff is distributed in the hope that it will be useful, but WITHOUT ANY
  15 WARRANTY; without even the implied warranty of MERCHANTABILITY or
  16 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  17 for more details.
  18
  19 You should have received a copy of the GNU General Public License along
  20 with groff; see the file COPYING.  If not, write to the Free Software
  21 Foundation, 51 Franklin St - Fifth Floor, Boston, MA 02110-1301, USA. */
  22
  23 #ifndef UCHAR_MAX
  24 #define UCHAR_MAX 255
  25 #endif
  26
  27 enum cmap_builtin { CMAP_BUILTIN };
  28
  29 class cmap {
  30 public:
  31   cmap();
  32   cmap(cmap_builtin);
  33   int operator()(unsigned char) const;
  34   unsigned char &operator[](unsigned char);
  35
  36   friend class cmap_init;
  37 private:
  38   unsigned char v[UCHAR_MAX+1];
  39 };
  40
  41 inline int cmap::operator()(unsigned char c) const
  42 {
  43   return v[c];
  44 }
  45
  46 inline unsigned char &cmap::operator[](unsigned char c)
  47 {
  48   return v[c];
  49 }
  50
  51 extern cmap cmlower;
  52 extern cmap cmupper;
  53
  54 static class cmap_init {
  55   static int initialised;
  56 public:
  57   cmap_init();
  58 } _cmap_init;