Code

use glib regex for list_window_jump.
[ncmpc.git] / src / match.c
index 313c76e686dde0c563c71b0ad762b6980027d2fc..7a05db329e174846d0dc192f0ab30439b250b72b 100644 (file)
@@ -1,5 +1,5 @@
 /* ncmpc (Ncurses MPD Client)
- * (c) 2004-2009 The Music Player Daemon Project
+ * (c) 2004-2010 The Music Player Daemon Project
  * Project homepage: http://musicpd.org
  
  * This program is free software; you can redistribute it and/or modify
@@ -34,45 +34,57 @@ locale_casefold(const char *src)
        return folded;
 }
 
+GRegex *
+compile_regex(const char *src, bool anchor)
+{
+       GRegex *regex;
+       GRegexCompileFlags compile_flags;
+       char *src_folded = locale_casefold(src);
+
+       compile_flags = G_REGEX_CASELESS | G_REGEX_DOTALL | G_REGEX_OPTIMIZE;
+       if (anchor)
+               compile_flags |= G_REGEX_ANCHORED;
+
+       regex = g_regex_new ((const gchar*)src_folded, compile_flags, 0, NULL);
+
+       g_free(src_folded);
+
+       return regex;
+}
+
+bool
+match_regex(GRegex *regex, const char *line)
+{
+       GMatchInfo *match_info;
+       bool match;
+       char *line_folded = locale_casefold(line);
+
+       g_regex_match(regex, line_folded, 0, &match_info);
+       match = (bool)g_match_info_matches(match_info);
+
+       g_match_info_free(match_info);
+       g_free(line_folded);
+
+       return match;
+}
+
 bool
 match_line(const char *line, const char *needle)
 {
        char *line_folded = locale_casefold(line);
        char *needle_folded = locale_casefold(needle);
 
+#if GLIB_CHECK_VERSION(2,14,0)
        bool ret = (bool)g_regex_match_simple((const gchar*)needle_folded,
                        (const gchar*)line_folded,
                        G_REGEX_CASELESS | G_REGEX_DOTALL | G_REGEX_OPTIMIZE,
                        0);
+#else
+       bool ret = strstr(line_folded, needle_folded) != NULL;
+#endif
 
        g_free(line_folded);
        g_free(needle_folded);
 
        return ret;
 }
-
-int
-find_occurence(const char *str_orig, const char *str_occur, const int str_occur_len)
-{
-       const int str_orig_len = strlen (str_orig);
-       int i, j;
-
-       if (str_occur_len > str_orig_len)
-       return -1;
-
-       for (i = 0; i < str_orig_len; i++) {
-               if ((i + str_occur_len) > str_orig_len)
-                       return -1;
-
-               for (j = 0; j < str_occur_len; j++) {
-                       if (tolower (str_occur[j])  != tolower (str_orig[i+j]))
-                               break;
-
-                       if (j == str_occur_len - 1)
-                               return 0;
-               }
-       }
-
-       return -1;
-}
-