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 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 #include <ctype.h> 24 #include "cmap.h" 25 26 cmap cmlower(CMAP_BUILTIN); 27 cmap cmupper(CMAP_BUILTIN); 28 29 #ifdef isascii 30 #define ISASCII(c) isascii(c) 31 #else 32 #define ISASCII(c) (1) 33 #endif 34 35 cmap::cmap() 36 { 37 unsigned char *p = v; 38 for (int i = 0; i <= UCHAR_MAX; i++) 39 p[i] = i; 40 } 41 42 cmap::cmap(cmap_builtin) 43 { 44 // these are initialised by cmap_init::cmap_init() 45 } 46 47 int cmap_init::initialised = 0; 48 49 cmap_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