1*89a07cf8Schristos /* $NetBSD: cmap.cpp,v 1.1.1.1 2016/01/13 18:41:48 christos Exp $ */
2*89a07cf8Schristos
3*89a07cf8Schristos // -*- C++ -*-
4*89a07cf8Schristos /* Copyright (C) 1989, 1990, 1991, 1992 Free Software Foundation, Inc.
5*89a07cf8Schristos Written by James Clark (jjc@jclark.com)
6*89a07cf8Schristos
7*89a07cf8Schristos This file is part of groff.
8*89a07cf8Schristos
9*89a07cf8Schristos groff is free software; you can redistribute it and/or modify it under
10*89a07cf8Schristos the terms of the GNU General Public License as published by the Free
11*89a07cf8Schristos Software Foundation; either version 2, or (at your option) any later
12*89a07cf8Schristos version.
13*89a07cf8Schristos
14*89a07cf8Schristos groff is distributed in the hope that it will be useful, but WITHOUT ANY
15*89a07cf8Schristos WARRANTY; without even the implied warranty of MERCHANTABILITY or
16*89a07cf8Schristos FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
17*89a07cf8Schristos for more details.
18*89a07cf8Schristos
19*89a07cf8Schristos You should have received a copy of the GNU General Public License along
20*89a07cf8Schristos with groff; see the file COPYING. If not, write to the Free Software
21*89a07cf8Schristos Foundation, 51 Franklin St - Fifth Floor, Boston, MA 02110-1301, USA. */
22*89a07cf8Schristos
23*89a07cf8Schristos #include <ctype.h>
24*89a07cf8Schristos #include "cmap.h"
25*89a07cf8Schristos
26*89a07cf8Schristos cmap cmlower(CMAP_BUILTIN);
27*89a07cf8Schristos cmap cmupper(CMAP_BUILTIN);
28*89a07cf8Schristos
29*89a07cf8Schristos #ifdef isascii
30*89a07cf8Schristos #define ISASCII(c) isascii(c)
31*89a07cf8Schristos #else
32*89a07cf8Schristos #define ISASCII(c) (1)
33*89a07cf8Schristos #endif
34*89a07cf8Schristos
cmap()35*89a07cf8Schristos cmap::cmap()
36*89a07cf8Schristos {
37*89a07cf8Schristos unsigned char *p = v;
38*89a07cf8Schristos for (int i = 0; i <= UCHAR_MAX; i++)
39*89a07cf8Schristos p[i] = i;
40*89a07cf8Schristos }
41*89a07cf8Schristos
cmap(cmap_builtin)42*89a07cf8Schristos cmap::cmap(cmap_builtin)
43*89a07cf8Schristos {
44*89a07cf8Schristos // these are initialised by cmap_init::cmap_init()
45*89a07cf8Schristos }
46*89a07cf8Schristos
47*89a07cf8Schristos int cmap_init::initialised = 0;
48*89a07cf8Schristos
cmap_init()49*89a07cf8Schristos cmap_init::cmap_init()
50*89a07cf8Schristos {
51*89a07cf8Schristos if (initialised)
52*89a07cf8Schristos return;
53*89a07cf8Schristos initialised = 1;
54*89a07cf8Schristos for (int i = 0; i <= UCHAR_MAX; i++) {
55*89a07cf8Schristos cmupper.v[i] = ISASCII(i) && islower(i) ? toupper(i) : i;
56*89a07cf8Schristos cmlower.v[i] = ISASCII(i) && isupper(i) ? tolower(i) : i;
57*89a07cf8Schristos }
58*89a07cf8Schristos }
59