Nickmatch cache. A couple of helper functions to check if channel nicks

belong to something. Used for checking nickmasks in highlighting and
ignores (well, ignore isn't done yet).


git-svn-id: http://svn.irssi.org/repos/irssi/trunk@1138 dbcabf3a-b0e7-0310-adc4-f8d773084564

src/core/nickmatch-cache.h

@@ -0,0 +1,26 @@
+#ifndef __NICKMATCH_CACHE_H
+#define __NICKMATCH_CACHE_H
+
+typedef void (*NICKMATCH_REBUILD_FUNC) (GHashTable *list,
+					CHANNEL_REC *channel, NICK_REC *nick);
+
+typedef struct {
+        GHashTable *nicks;
+	NICKMATCH_REBUILD_FUNC func;
+} NICKMATCH_REC;
+
+NICKMATCH_REC *nickmatch_init(NICKMATCH_REBUILD_FUNC func);
+void nickmatch_deinit(NICKMATCH_REC *rec);
+
+/* Calls rebuild function for all nicks in all channels.
+   This must be called soon after nickmatch_init(), before any nicklist
+   signals get sent. */
+void nickmatch_rebuild(NICKMATCH_REC *rec);
+
+#define nickmatch_find(rec, nick) \
+        g_hash_table_lookup((rec)->nicks, nick)
+
+void nickmatch_cache_init(void);
+void nickmatch_cache_deinit(void);
+
+#endif