313c76e686dde0c563c71b0ad762b6980027d2fc
1 /* ncmpc (Ncurses MPD Client)
2 * (c) 2004-2009 The Music Player Daemon Project
3 * Project homepage: http://musicpd.org
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
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
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18 */
20 #include "match.h"
21 #include "charset.h"
23 #include <glib.h>
24 #include <string.h>
25 #include <ctype.h>
27 static char *
28 locale_casefold(const char *src)
29 {
30 char *utf8 = locale_to_utf8(src);
31 char *folded = g_utf8_casefold(utf8, -1);
33 g_free(utf8);
34 return folded;
35 }
37 bool
38 match_line(const char *line, const char *needle)
39 {
40 char *line_folded = locale_casefold(line);
41 char *needle_folded = locale_casefold(needle);
43 bool ret = (bool)g_regex_match_simple((const gchar*)needle_folded,
44 (const gchar*)line_folded,
45 G_REGEX_CASELESS | G_REGEX_DOTALL | G_REGEX_OPTIMIZE,
46 0);
48 g_free(line_folded);
49 g_free(needle_folded);
51 return ret;
52 }
54 int
55 find_occurence(const char *str_orig, const char *str_occur, const int str_occur_len)
56 {
57 const int str_orig_len = strlen (str_orig);
58 int i, j;
60 if (str_occur_len > str_orig_len)
61 return -1;
63 for (i = 0; i < str_orig_len; i++) {
64 if ((i + str_occur_len) > str_orig_len)
65 return -1;
67 for (j = 0; j < str_occur_len; j++) {
68 if (tolower (str_occur[j]) != tolower (str_orig[i+j]))
69 break;
71 if (j == str_occur_len - 1)
72 return 0;
73 }
74 }
76 return -1;
77 }