1*89a07cf8Schristos /* $NetBSD: cset.cpp,v 1.1.1.1 2016/01/13 18:41:48 christos Exp $ */
2*89a07cf8Schristos
3*89a07cf8Schristos // -*- C++ -*-
4*89a07cf8Schristos /* Copyright (C) 1989, 1990, 1991, 1992, 2004 Free Software Foundation, Inc.
5*89a07cf8Schristos Written by James Clark (jjc@jclark.com)
6*89a07cf8Schristos
7*89a07cf8Schristos This file is part of groff.
8*89a07cf8Schristos
9*89a07cf8Schristos groff is free software; you can redistribute it and/or modify it under
10*89a07cf8Schristos the terms of the GNU General Public License as published by the Free
11*89a07cf8Schristos Software Foundation; either version 2, or (at your option) any later
12*89a07cf8Schristos version.
13*89a07cf8Schristos
14*89a07cf8Schristos groff is distributed in the hope that it will be useful, but WITHOUT ANY
15*89a07cf8Schristos WARRANTY; without even the implied warranty of MERCHANTABILITY or
16*89a07cf8Schristos FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
17*89a07cf8Schristos for more details.
18*89a07cf8Schristos
19*89a07cf8Schristos You should have received a copy of the GNU General Public License along
20*89a07cf8Schristos with groff; see the file COPYING. If not, write to the Free Software
21*89a07cf8Schristos Foundation, 51 Franklin St - Fifth Floor, Boston, MA 02110-1301, USA. */
22*89a07cf8Schristos
23*89a07cf8Schristos #include <ctype.h>
24*89a07cf8Schristos
25*89a07cf8Schristos #include "lib.h"
26*89a07cf8Schristos #include "cset.h"
27*89a07cf8Schristos
28*89a07cf8Schristos cset csalpha(CSET_BUILTIN);
29*89a07cf8Schristos cset csupper(CSET_BUILTIN);
30*89a07cf8Schristos cset cslower(CSET_BUILTIN);
31*89a07cf8Schristos cset csdigit(CSET_BUILTIN);
32*89a07cf8Schristos cset csxdigit(CSET_BUILTIN);
33*89a07cf8Schristos cset csspace(CSET_BUILTIN);
34*89a07cf8Schristos cset cspunct(CSET_BUILTIN);
35*89a07cf8Schristos cset csalnum(CSET_BUILTIN);
36*89a07cf8Schristos cset csprint(CSET_BUILTIN);
37*89a07cf8Schristos cset csgraph(CSET_BUILTIN);
38*89a07cf8Schristos cset cscntrl(CSET_BUILTIN);
39*89a07cf8Schristos
40*89a07cf8Schristos #ifdef isascii
41*89a07cf8Schristos #define ISASCII(c) isascii(c)
42*89a07cf8Schristos #else
43*89a07cf8Schristos #define ISASCII(c) (1)
44*89a07cf8Schristos #endif
45*89a07cf8Schristos
clear()46*89a07cf8Schristos void cset::clear()
47*89a07cf8Schristos {
48*89a07cf8Schristos char *p = v;
49*89a07cf8Schristos for (int i = 0; i <= UCHAR_MAX; i++)
50*89a07cf8Schristos p[i] = 0;
51*89a07cf8Schristos }
52*89a07cf8Schristos
cset()53*89a07cf8Schristos cset::cset()
54*89a07cf8Schristos {
55*89a07cf8Schristos clear();
56*89a07cf8Schristos }
57*89a07cf8Schristos
cset(const char * s)58*89a07cf8Schristos cset::cset(const char *s)
59*89a07cf8Schristos {
60*89a07cf8Schristos clear();
61*89a07cf8Schristos while (*s)
62*89a07cf8Schristos v[(unsigned char)*s++] = 1;
63*89a07cf8Schristos }
64*89a07cf8Schristos
cset(const unsigned char * s)65*89a07cf8Schristos cset::cset(const unsigned char *s)
66*89a07cf8Schristos {
67*89a07cf8Schristos clear();
68*89a07cf8Schristos while (*s)
69*89a07cf8Schristos v[*s++] = 1;
70*89a07cf8Schristos }
71*89a07cf8Schristos
cset(cset_builtin)72*89a07cf8Schristos cset::cset(cset_builtin)
73*89a07cf8Schristos {
74*89a07cf8Schristos // these are initialised by cset_init::cset_init()
75*89a07cf8Schristos }
76*89a07cf8Schristos
operator |=(const cset & cs)77*89a07cf8Schristos cset &cset::operator|=(const cset &cs)
78*89a07cf8Schristos {
79*89a07cf8Schristos for (int i = 0; i <= UCHAR_MAX; i++)
80*89a07cf8Schristos if (cs.v[i])
81*89a07cf8Schristos v[i] = 1;
82*89a07cf8Schristos return *this;
83*89a07cf8Schristos }
84*89a07cf8Schristos
85*89a07cf8Schristos
86*89a07cf8Schristos int cset_init::initialised = 0;
87*89a07cf8Schristos
cset_init()88*89a07cf8Schristos cset_init::cset_init()
89*89a07cf8Schristos {
90*89a07cf8Schristos if (initialised)
91*89a07cf8Schristos return;
92*89a07cf8Schristos initialised = 1;
93*89a07cf8Schristos for (int i = 0; i <= UCHAR_MAX; i++) {
94*89a07cf8Schristos csalpha.v[i] = ISASCII(i) && isalpha(i);
95*89a07cf8Schristos csupper.v[i] = ISASCII(i) && isupper(i);
96*89a07cf8Schristos cslower.v[i] = ISASCII(i) && islower(i);
97*89a07cf8Schristos csdigit.v[i] = ISASCII(i) && isdigit(i);
98*89a07cf8Schristos csxdigit.v[i] = ISASCII(i) && isxdigit(i);
99*89a07cf8Schristos csspace.v[i] = ISASCII(i) && isspace(i);
100*89a07cf8Schristos cspunct.v[i] = ISASCII(i) && ispunct(i);
101*89a07cf8Schristos csalnum.v[i] = ISASCII(i) && isalnum(i);
102*89a07cf8Schristos csprint.v[i] = ISASCII(i) && isprint(i);
103*89a07cf8Schristos csgraph.v[i] = ISASCII(i) && isgraph(i);
104*89a07cf8Schristos cscntrl.v[i] = ISASCII(i) && iscntrl(i);
105*89a07cf8Schristos }
106*89a07cf8Schristos }
107