53 lines
2.8 KiB
C
53 lines
2.8 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2020 Justine Alexandra Roberts Tunney │
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│ │
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│ This program is free software; you can redistribute it and/or modify │
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│ it under the terms of the GNU General Public License as published by │
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│ the Free Software Foundation; version 2 of the License. │
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│ │
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│ This program is distributed in the hope that it will be useful, but │
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│ WITHOUT ANY WARRANTY; without even the implied warranty of │
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│ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU │
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│ General Public License for more details. │
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│ │
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│ You should have received a copy of the GNU General Public License │
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│ along with this program; if not, write to the Free Software │
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│ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA │
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│ 02110-1301 USA │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/macros.h"
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#include "libc/str/str.h"
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static const struct WcTypes {
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char name[8];
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wctype_t type;
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} wctypes[] = {{"alnum", 0x006}, {"alpha", 0x002}, {"blank", 0x080},
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{"cntrl", 0x100}, {"digit", 0x004}, {"graph", 0x200},
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{"lower", 0x020}, {"print", 0x010}, {"punct", 0x300},
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{"space", 0x001}, {"upper", 0x040}, {"xdigit", 0x008}};
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wctype_t wctype(const char *s) {
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char name[8];
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strncpy(name, s, sizeof(name));
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for (unsigned i = 0; i < ARRAYLEN(wctypes); ++i) {
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if (memcmp(name, wctypes[i].name, sizeof(name)) == 0) {
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return wctypes[i].type;
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}
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}
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return 0;
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}
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int iswctype(wint_t c, wctype_t type) {
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if (c < 128) {
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if (!(type & ~0xff)) {
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return kCtype[(unsigned char)type];
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}
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if (type == 0x100) return iscntrl((unsigned char)c);
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if (type == 0x200) return isgraph((unsigned char)c);
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if (type == 0x300) return ispunct((unsigned char)c);
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}
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return 0;
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}
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