projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| af5ae739 WJ |
1 | // -*- C++ -*- |
| 2 | /* Copyright (C) 1989, 1990 Free Software Foundation, Inc. | |
| 3 | Written by James Clark (jjc@jclark.uucp) | |
| 4 | ||
| 5 | This file is part of groff. | |
| 6 | ||
| 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 1, or (at your option) any later | |
| 10 | version. | |
| 11 | ||
| 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 | |
| 15 | for more details. | |
| 16 | ||
| 17 | You should have received a copy of the GNU General Public License along | |
| 18 | with groff; see the file LICENSE. If not, write to the Free Software | |
| 19 | Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
| 20 | ||
| 21 | #include <ctype.h> | |
| 22 | #include "cset.h" | |
| 23 | ||
| 24 | cset csalpha(CSET_BUILTIN); | |
| 25 | cset csupper(CSET_BUILTIN); | |
| 26 | cset cslower(CSET_BUILTIN); | |
| 27 | cset csdigit(CSET_BUILTIN); | |
| 28 | cset csxdigit(CSET_BUILTIN); | |
| 29 | cset csspace(CSET_BUILTIN); | |
| 30 | cset cspunct(CSET_BUILTIN); | |
| 31 | cset csalnum(CSET_BUILTIN); | |
| 32 | cset csprint(CSET_BUILTIN); | |
| 33 | cset csgraph(CSET_BUILTIN); | |
| 34 | cset cscntrl(CSET_BUILTIN); | |
| 35 | ||
| 36 | #define ISASCII(c) isascii(c) | |
| 37 | #if 0 | |
| 38 | #define ISASCII(c) 1 /* use this is you have an ANSI ctype.h */ | |
| 39 | #endif | |
| 40 | ||
| 41 | void cset::clear() | |
| 42 | { | |
| 43 | char *p = v; | |
| 44 | for (int i = 0; i <= UCHAR_MAX; i++) | |
| 45 | p[i] = 0; | |
| 46 | } | |
| 47 | ||
| 48 | cset::cset() | |
| 49 | { | |
| 50 | clear(); | |
| 51 | } | |
| 52 | ||
| 53 | cset::cset(const char *s) | |
| 54 | { | |
| 55 | clear(); | |
| 56 | while (*s) | |
| 57 | v[(unsigned char)*s++] = 1; | |
| 58 | } | |
| 59 | ||
| 60 | cset::cset(const unsigned char *s) | |
| 61 | { | |
| 62 | clear(); | |
| 63 | while (*s) | |
| 64 | v[*s++] = 1; | |
| 65 | } | |
| 66 | ||
| 67 | cset::cset(cset_builtin) | |
| 68 | { | |
| 69 | // these are initialised by cset_init::cset_init() | |
| 70 | } | |
| 71 | ||
| 72 | cset &cset::operator|=(const cset &cs) | |
| 73 | { | |
| 74 | for (int i = 0; i <= UCHAR_MAX; i++) | |
| 75 | if (cs.v[i]) | |
| 76 | v[i] = 1; | |
| 77 | return *this; | |
| 78 | } | |
| 79 | ||
| 80 | ||
| 81 | int cset_init::initialised = 0; | |
| 82 | ||
| 83 | cset_init::cset_init() | |
| 84 | { | |
| 85 | if (initialised) | |
| 86 | return; | |
| 87 | initialised = 1; | |
| 88 | for (int i = 0; i <= UCHAR_MAX; i++) { | |
| 89 | csalpha.v[i] = ISASCII(i) && isalpha(i); | |
| 90 | csupper.v[i] = ISASCII(i) && isupper(i); | |
| 91 | cslower.v[i] = ISASCII(i) && islower(i); | |
| 92 | csdigit.v[i] = ISASCII(i) && isdigit(i); | |
| 93 | csxdigit.v[i] = ISASCII(i) && isxdigit(i); | |
| 94 | csspace.v[i] = ISASCII(i) && isspace(i); | |
| 95 | cspunct.v[i] = ISASCII(i) && ispunct(i); | |
| 96 | csalnum.v[i] = ISASCII(i) && isalnum(i); | |
| 97 | csprint.v[i] = ISASCII(i) && isprint(i); | |
| 98 | csgraph.v[i] = ISASCII(i) && isgraph(i); | |
| 99 | cscntrl.v[i] = ISASCII(i) && iscntrl(i); | |
| 100 | } | |
| 101 | } |