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