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