HardenedBSD/gnu/usr.bin/groff/include/cset.h
1995-01-15 08:10:00 +00:00

76 lines
1.7 KiB
C++

// -*- C++ -*-
/* Copyright (C) 1989, 1990, 1991, 1992 Free Software Foundation, Inc.
Written by James Clark (jjc@jclark.com)
This file is part of groff.
groff is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 2, or (at your option) any later
version.
groff is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License along
with groff; see the file COPYING. If not, write to the Free Software
Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
#ifdef HAVE_CC_LIMITS_H
#include <limits.h>
#else /* not HAVE_CC_LIMITS_H */
#ifndef UCHAR_MAX
#define UCHAR_MAX 255
#endif
#endif /* not HAVE_CC_LIMITS_H */
enum cset_builtin { CSET_BUILTIN };
class cset {
public:
cset();
cset(cset_builtin);
cset(const char *);
cset(const unsigned char *);
int operator()(unsigned char) const;
cset &operator|=(const cset &);
cset &operator|=(unsigned char);
friend class cset_init;
private:
char v[UCHAR_MAX+1];
void clear();
};
inline int cset::operator()(unsigned char c) const
{
return v[c];
}
inline cset &cset::operator|=(unsigned char c)
{
v[c] = 1;
return *this;
}
extern cset csalpha;
extern cset csupper;
extern cset cslower;
extern cset csdigit;
extern cset csxdigit;
extern cset csspace;
extern cset cspunct;
extern cset csalnum;
extern cset csprint;
extern cset csgraph;
extern cset cscntrl;
static class cset_init {
static int initialised;
public:
cset_init();
} _cset_init;