cmap.cpp revision 114402
1114402Sru// -*- C++ -*- 2114402Sru/* Copyright (C) 1989, 1990, 1991, 1992 Free Software Foundation, Inc. 3114402Sru Written by James Clark (jjc@jclark.com) 4114402Sru 5114402SruThis file is part of groff. 6114402Sru 7114402Srugroff is free software; you can redistribute it and/or modify it under 8114402Sruthe terms of the GNU General Public License as published by the Free 9114402SruSoftware Foundation; either version 2, or (at your option) any later 10114402Sruversion. 11114402Sru 12114402Srugroff is distributed in the hope that it will be useful, but WITHOUT ANY 13114402SruWARRANTY; without even the implied warranty of MERCHANTABILITY or 14114402SruFITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 15114402Srufor more details. 16114402Sru 17114402SruYou should have received a copy of the GNU General Public License along 18114402Sruwith groff; see the file COPYING. If not, write to the Free Software 19114402SruFoundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ 20114402Sru 21114402Sru#include <ctype.h> 22114402Sru#include "cmap.h" 23114402Sru 24114402Srucmap cmlower(CMAP_BUILTIN); 25114402Srucmap cmupper(CMAP_BUILTIN); 26114402Sru 27114402Sru#ifdef isascii 28114402Sru#define ISASCII(c) isascii(c) 29114402Sru#else 30114402Sru#define ISASCII(c) (1) 31114402Sru#endif 32114402Sru 33114402Srucmap::cmap() 34114402Sru{ 35114402Sru unsigned char *p = v; 36114402Sru for (int i = 0; i <= UCHAR_MAX; i++) 37114402Sru p[i] = i; 38114402Sru} 39114402Sru 40114402Srucmap::cmap(cmap_builtin) 41114402Sru{ 42114402Sru // these are initialised by cmap_init::cmap_init() 43114402Sru} 44114402Sru 45114402Sruint cmap_init::initialised = 0; 46114402Sru 47114402Srucmap_init::cmap_init() 48114402Sru{ 49114402Sru if (initialised) 50114402Sru return; 51114402Sru initialised = 1; 52114402Sru for (int i = 0; i <= UCHAR_MAX; i++) { 53114402Sru cmupper.v[i] = ISASCII(i) && islower(i) ? toupper(i) : i; 54114402Sru cmlower.v[i] = ISASCII(i) && isupper(i) ? tolower(i) : i; 55114402Sru } 56114402Sru} 57