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- // -*- C++ -*-
- /* Copyright (C) 1989, 1990, 1991, 1992 Free Software Foundation, Inc.
- Written by James Clark (jjc@jclark.com)
-
- This file is part of groff.
-
- groff is free software; you can redistribute it and/or modify it under
- the terms of the GNU General Public License as published by the Free
- Software Foundation; either version 2, or (at your option) any later
- version.
-
- groff is distributed in the hope that it will be useful, but WITHOUT ANY
- WARRANTY; without even the implied warranty of MERCHANTABILITY or
- FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
- for more details.
-
- You should have received a copy of the GNU General Public License along
- with groff; see the file COPYING. If not, write to the Free Software
- Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
-
- #include <ctype.h>
- #include "cmap.h"
-
- cmap cmlower(CMAP_BUILTIN);
- cmap cmupper(CMAP_BUILTIN);
-
- #ifdef isascii
- #define ISASCII(c) isascii(c)
- #else
- #define ISASCII(c) (1)
- #endif
-
- cmap::cmap()
- {
- unsigned char *p = v;
- for (int i = 0; i <= UCHAR_MAX; i++)
- p[i] = i;
- }
-
- cmap::cmap(cmap_builtin)
- {
- // these are initialised by cmap_init::cmap_init()
- }
-
- int cmap_init::initialised = 0;
-
- cmap_init::cmap_init()
- {
- if (initialised)
- return;
- initialised = 1;
- for (int i = 0; i <= UCHAR_MAX; i++) {
- cmupper.v[i] = ISASCII(i) && islower(i) ? toupper(i) : i;
- cmlower.v[i] = ISASCII(i) && isupper(i) ? tolower(i) : i;
- }
- }
-