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109 lines
2.5 KiB
C++
109 lines
2.5 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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#include <ctype.h>
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#ifdef __FreeBSD__
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#include <locale.h>
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#endif
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#include "cset.h"
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cset csalpha(CSET_BUILTIN);
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cset csupper(CSET_BUILTIN);
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cset cslower(CSET_BUILTIN);
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cset csdigit(CSET_BUILTIN);
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cset csxdigit(CSET_BUILTIN);
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cset csspace(CSET_BUILTIN);
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cset cspunct(CSET_BUILTIN);
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cset csalnum(CSET_BUILTIN);
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cset csprint(CSET_BUILTIN);
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cset csgraph(CSET_BUILTIN);
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cset cscntrl(CSET_BUILTIN);
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#if defined(isascii) && !defined(__FreeBSD__)
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#define ISASCII(c) isascii(c)
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#else
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#define ISASCII(c) (1)
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#endif
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void cset::clear()
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{
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char *p = v;
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for (int i = 0; i <= UCHAR_MAX; i++)
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p[i] = 0;
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}
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cset::cset()
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{
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clear();
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}
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cset::cset(const char *s)
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{
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clear();
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while (*s)
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v[(unsigned char)*s++] = 1;
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}
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cset::cset(const unsigned char *s)
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{
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clear();
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while (*s)
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v[*s++] = 1;
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}
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cset::cset(cset_builtin)
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{
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// these are initialised by cset_init::cset_init()
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}
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cset &cset::operator|=(const cset &cs)
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{
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for (int i = 0; i <= UCHAR_MAX; i++)
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if (cs.v[i])
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v[i] = 1;
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return *this;
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}
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int cset_init::initialised = 0;
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cset_init::cset_init()
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{
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if (initialised)
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return;
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initialised = 1;
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#ifdef __FreeBSD__
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(void) setlocale(LC_CTYPE, "");
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#endif
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for (int i = 0; i <= UCHAR_MAX; i++) {
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csalpha.v[i] = ISASCII(i) && isalpha(i);
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csupper.v[i] = ISASCII(i) && isupper(i);
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cslower.v[i] = ISASCII(i) && islower(i);
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csdigit.v[i] = ISASCII(i) && isdigit(i);
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csxdigit.v[i] = ISASCII(i) && isxdigit(i);
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csspace.v[i] = ISASCII(i) && isspace(i);
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cspunct.v[i] = ISASCII(i) && ispunct(i);
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csalnum.v[i] = ISASCII(i) && isalnum(i);
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csprint.v[i] = ISASCII(i) && isprint(i);
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csgraph.v[i] = ISASCII(i) && isgraph(i);
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cscntrl.v[i] = ISASCII(i) && iscntrl(i);
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}
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}
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