1 /* Bidi classes of Unicode characters.
2 Copyright (C) 2002, 2006, 2011-2014 Free Software Foundation, Inc.
3 Written by Bruno Haible <bruno@clisp.org>, 2002.
4
5 This program is free software: you can redistribute it and/or modify it
6 under the terms of the GNU Lesser General Public License as published
7 by the Free Software Foundation; either version 3 of the License, or
8 (at your option) any later version.
9
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public License
16 along with this program. If not, see <http://www.gnu.org/licenses/>. */
17
18 #include <config.h>
19
20 /* Specification. */
21 #include "unictype.h"
22
23 #include <string.h>
24
25 #include "unictype/bidi_byname.h"
26
27 int
uc_bidi_class_byname(const char * bidi_class_name)28 uc_bidi_class_byname (const char *bidi_class_name)
29 {
30 size_t len;
31
32 len = strlen (bidi_class_name);
33 if (len <= MAX_WORD_LENGTH)
34 {
35 char buf[MAX_WORD_LENGTH + 1];
36 const struct named_bidi_class *found;
37
38 /* Copy bidi_class_name into buf, converting '_' and '-' to ' '. */
39 {
40 const char *p = bidi_class_name;
41 char *q = buf;
42
43 for (;; p++, q++)
44 {
45 char c = *p;
46
47 if (c == '_' || c == '-')
48 c = ' ';
49 *q = c;
50 if (c == '\0')
51 break;
52 }
53 }
54 /* Here q == buf + len. */
55
56 /* Do a hash table lookup, with case-insensitive comparison. */
57 found = uc_bidi_class_lookup (buf, len);
58 if (found != NULL)
59 return found->bidi_class;
60 }
61 /* Invalid bidi class name. */
62 return -1;
63 }
64
65 int
uc_bidi_category_byname(const char * category_name)66 uc_bidi_category_byname (const char *category_name)
67 {
68 return uc_bidi_class_byname (category_name);
69 }
70