cmap.cpp revision 256281
1// -*- C++ -*- 2/* Copyright (C) 1989, 1990, 1991, 1992 Free Software Foundation, Inc. 3 Written by James Clark (jjc@jclark.com) 4 5This file is part of groff. 6 7groff is free software; you can redistribute it and/or modify it under 8the terms of the GNU General Public License as published by the Free 9Software Foundation; either version 2, or (at your option) any later 10version. 11 12groff is distributed in the hope that it will be useful, but WITHOUT ANY 13WARRANTY; without even the implied warranty of MERCHANTABILITY or 14FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 15for more details. 16 17You should have received a copy of the GNU General Public License along 18with groff; see the file COPYING. If not, write to the Free Software 19Foundation, 51 Franklin St - Fifth Floor, Boston, MA 02110-1301, USA. */ 20 21/* $FreeBSD: stable/10/contrib/groff/src/libs/libgroff/cmap.cpp 151503 2005-10-20 10:53:15Z ru $ */ 22 23#include <ctype.h> 24#ifdef __FreeBSD__ 25#include <locale.h> 26#endif 27#include "cmap.h" 28 29cmap cmlower(CMAP_BUILTIN); 30cmap cmupper(CMAP_BUILTIN); 31 32#if defined(isascii) && !defined(__FreeBSD__) 33#define ISASCII(c) isascii(c) 34#else 35#define ISASCII(c) (1) 36#endif 37 38cmap::cmap() 39{ 40 unsigned char *p = v; 41 for (int i = 0; i <= UCHAR_MAX; i++) 42 p[i] = i; 43} 44 45cmap::cmap(cmap_builtin) 46{ 47 // these are initialised by cmap_init::cmap_init() 48} 49 50int cmap_init::initialised = 0; 51 52cmap_init::cmap_init() 53{ 54 if (initialised) 55 return; 56 initialised = 1; 57#ifdef __FreeBSD__ 58 (void) setlocale(LC_CTYPE, ""); 59#endif 60 for (int i = 0; i <= UCHAR_MAX; i++) { 61 cmupper.v[i] = ISASCII(i) && islower(i) ? toupper(i) : i; 62 cmlower.v[i] = ISASCII(i) && isupper(i) ? tolower(i) : i; 63 } 64} 65