1 /* $NetBSD: cset.h,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 #ifdef HAVE_CC_LIMITS_H 24 #include <limits.h> 25 #else /* not HAVE_CC_LIMITS_H */ 26 #ifndef UCHAR_MAX 27 #define UCHAR_MAX 255 28 #endif 29 #endif /* not HAVE_CC_LIMITS_H */ 30 31 enum cset_builtin { CSET_BUILTIN }; 32 33 class cset { 34 public: 35 cset(); 36 cset(cset_builtin); 37 cset(const char *); 38 cset(const unsigned char *); 39 int operator()(unsigned char) const; 40 41 cset &operator|=(const cset &); 42 cset &operator|=(unsigned char); 43 44 friend class cset_init; 45 private: 46 char v[UCHAR_MAX+1]; 47 void clear(); 48 }; 49 50 inline int cset::operator()(unsigned char c) const 51 { 52 return v[c]; 53 } 54 55 inline cset &cset::operator|=(unsigned char c) 56 { 57 v[c] = 1; 58 return *this; 59 } 60 61 extern cset csalpha; 62 extern cset csupper; 63 extern cset cslower; 64 extern cset csdigit; 65 extern cset csxdigit; 66 extern cset csspace; 67 extern cset cspunct; 68 extern cset csalnum; 69 extern cset csprint; 70 extern cset csgraph; 71 extern cset cscntrl; 72 73 static class cset_init { 74 static int initialised; 75 public: 76 cset_init(); 77 } _cset_init; 78