175584Sru// -*- C++ -*- 275584Sru/* Copyright (C) 1989, 1990, 1991, 1992 Free Software Foundation, Inc. 375584Sru Written by James Clark (jjc@jclark.com) 475584Sru 575584SruThis file is part of groff. 675584Sru 775584Srugroff is free software; you can redistribute it and/or modify it under 875584Sruthe terms of the GNU General Public License as published by the Free 975584SruSoftware Foundation; either version 2, or (at your option) any later 1075584Sruversion. 1175584Sru 1275584Srugroff is distributed in the hope that it will be useful, but WITHOUT ANY 1375584SruWARRANTY; without even the implied warranty of MERCHANTABILITY or 1475584SruFITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 1575584Srufor more details. 1675584Sru 1775584SruYou should have received a copy of the GNU General Public License along 1875584Sruwith groff; see the file COPYING. If not, write to the Free Software 19151497SruFoundation, 51 Franklin St - Fifth Floor, Boston, MA 02110-1301, USA. */ 2075584Sru 2175584Sru#ifdef HAVE_CC_LIMITS_H 2275584Sru#include <limits.h> 2375584Sru#else /* not HAVE_CC_LIMITS_H */ 2475584Sru#ifndef UCHAR_MAX 2575584Sru#define UCHAR_MAX 255 2675584Sru#endif 2775584Sru#endif /* not HAVE_CC_LIMITS_H */ 2875584Sru 2975584Sruenum cset_builtin { CSET_BUILTIN }; 3075584Sru 3175584Sruclass cset { 3275584Srupublic: 3375584Sru cset(); 3475584Sru cset(cset_builtin); 3575584Sru cset(const char *); 3675584Sru cset(const unsigned char *); 3775584Sru int operator()(unsigned char) const; 3875584Sru 3975584Sru cset &operator|=(const cset &); 4075584Sru cset &operator|=(unsigned char); 4175584Sru 4275584Sru friend class cset_init; 4375584Sruprivate: 4475584Sru char v[UCHAR_MAX+1]; 4575584Sru void clear(); 4675584Sru}; 4775584Sru 4875584Sruinline int cset::operator()(unsigned char c) const 4975584Sru{ 5075584Sru return v[c]; 5175584Sru} 5275584Sru 5375584Sruinline cset &cset::operator|=(unsigned char c) 5475584Sru{ 5575584Sru v[c] = 1; 5675584Sru return *this; 5775584Sru} 5875584Sru 5975584Sruextern cset csalpha; 6075584Sruextern cset csupper; 6175584Sruextern cset cslower; 6275584Sruextern cset csdigit; 6375584Sruextern cset csxdigit; 6475584Sruextern cset csspace; 6575584Sruextern cset cspunct; 6675584Sruextern cset csalnum; 6775584Sruextern cset csprint; 6875584Sruextern cset csgraph; 6975584Sruextern cset cscntrl; 7075584Sru 7175584Srustatic class cset_init { 7275584Sru static int initialised; 7375584Srupublic: 7475584Sru cset_init(); 7575584Sru} _cset_init; 76