2 /* Copyright (C) 1989-2018 Free Software Foundation, Inc.
3 Written by James Clark (jjc@jclark.com)
5 This file is part of groff.
7 groff is free software; you can redistribute it and/or modify it under
8 the terms of the GNU General Public License as published by the Free
9 Software Foundation, either version 3 of the License, or
10 (at your option) any later version.
12 groff is distributed in the hope that it will be useful, but WITHOUT ANY
13 WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>. */
25 cset csalpha(CSET_BUILTIN);
26 cset csupper(CSET_BUILTIN);
27 cset cslower(CSET_BUILTIN);
28 cset csdigit(CSET_BUILTIN);
29 cset csxdigit(CSET_BUILTIN);
30 cset csspace(CSET_BUILTIN);
31 cset cspunct(CSET_BUILTIN);
32 cset csalnum(CSET_BUILTIN);
33 cset csprint(CSET_BUILTIN);
34 cset csgraph(CSET_BUILTIN);
35 cset cscntrl(CSET_BUILTIN);
38 #define ISASCII(c) isascii(c)
40 #define ISASCII(c) (1)
46 for (int i = 0; i <= UCHAR_MAX; i++)
55 cset::cset(const char *s)
59 v[(unsigned char)*s++] = 1;
62 cset::cset(const unsigned char *s)
69 cset::cset(cset_builtin)
71 // these are initialised by cset_init::cset_init()
74 cset &cset::operator|=(const cset &cs)
76 for (int i = 0; i <= UCHAR_MAX; i++)
83 int cset_init::initialised = 0;
85 cset_init::cset_init()
90 for (int i = 0; i <= UCHAR_MAX; i++) {
91 csalpha.v[i] = ISASCII(i) && isalpha(i);
92 csupper.v[i] = ISASCII(i) && isupper(i);
93 cslower.v[i] = ISASCII(i) && islower(i);
94 csdigit.v[i] = ISASCII(i) && isdigit(i);
95 csxdigit.v[i] = ISASCII(i) && isxdigit(i);
96 csspace.v[i] = ISASCII(i) && isspace(i);
97 cspunct.v[i] = ISASCII(i) && ispunct(i);
98 csalnum.v[i] = ISASCII(i) && isalnum(i);
99 csprint.v[i] = ISASCII(i) && isprint(i);
100 csgraph.v[i] = ISASCII(i) && isgraph(i);
101 cscntrl.v[i] = ISASCII(i) && iscntrl(i);