Allow storing multiple "other" prefixes such as +q and +a.

Original patch by JasonX, somewhat changed by exg and me.


git-svn-id: file:///var/www/svn.irssi.org/SVN/irssi/trunk@4922 dbcabf3a-b0e7-0310-adc4-f8d773084564

src/irc/core/irc-expandos.c

@@ -86,18 +86,12 @@ static char *expando_usermode(SERVER_REC *server, void *item, int *free_ret)
 static char *expando_cumode(SERVER_REC *server, void *item, int *free_ret)
 {
 	if (IS_IRC_CHANNEL(item) && CHANNEL(item)->ownnick) {
-		char other = NICK(CHANNEL(item)->ownnick)->other;
-		if (other != '\0') {
-			char *cumode = g_malloc(2);
-			cumode[0] = other;
-			cumode[1] = '\0';
-			*free_ret = TRUE;
-			return cumode;
-		}
-
-		return NICK(CHANNEL(item)->ownnick)->op ? "@" :
-		       NICK(CHANNEL(item)->ownnick)->halfop ? "%" :
-		       NICK(CHANNEL(item)->ownnick)->voice ? "+" : "";
+		char prefix = NICK(CHANNEL(item)->ownnick)->prefixes[0];
+		char *cumode = g_malloc(2);
+		cumode[0] = prefix;
+		cumode[1] = '\0';
+		*free_ret = TRUE;
+		return cumode; /* will be "\0\0" = "" if there is no prefix */
 	}
 	return "";
 }

src/irc/core/irc-nicklist.c

@@ -99,7 +99,8 @@ static void event_names_list(IRC_SERVER_REC *server, const char *data)
 	IRC_CHANNEL_REC *chanrec;
 	NICK_REC *rec;
 	char *params, *type, *channel, *names, *ptr;
-        int op, halfop, voice, other;
+        int op, halfop, voice;
+	char prefixes[MAX_USER_PREFIXES+1];
 
 	g_return_if_fail(data != NULL);
 
@@ -137,9 +138,11 @@ static void event_names_list(IRC_SERVER_REC *server, const char *data)
 		/* some servers show ".@nick", there's also been talk about
 		   showing "@+nick" and since none of these chars are valid
 		   nick chars, just check them until a non-nickflag char is
-		   found. FIXME: we just ignore owner char now. */
-		op = halfop = voice = other = FALSE;
+		   found. */
+		op = halfop = voice = FALSE;
+		prefixes[0] = '\0';
 		while (isnickflag(server, *ptr)) {
+			prefix_add(prefixes, *ptr, (SERVER_REC *) server);
 			switch (*ptr) {
 			case '@':
                                 op = TRUE;
@@ -150,8 +153,6 @@ static void event_names_list(IRC_SERVER_REC *server, const char *data)
 			case '+':
                                 voice = TRUE;
                                 break;
-			default:
-				other = *ptr;
 			}
                         ptr++;
 		}
@@ -159,8 +160,7 @@ static void event_names_list(IRC_SERVER_REC *server, const char *data)
 		if (nicklist_find((CHANNEL_REC *) chanrec, ptr) == NULL) {
 			rec = irc_nicklist_insert(chanrec, ptr, op, halfop,
 						  voice, FALSE);
-			if (other)
-				rec->other = other;
+			memcpy(rec->prefixes, prefixes, sizeof(rec->prefixes));
 		}
 	}
 

src/irc/core/irc-session.c

@@ -114,7 +114,6 @@ static void sig_session_restore_nick(IRC_CHANNEL_REC *channel,
 				     CONFIG_NODE *node)
 {
 	const char *nick;
-	char *other;
         int op, halfop, voice;
         NICK_REC *nickrec;
 
@@ -129,8 +128,9 @@ static void sig_session_restore_nick(IRC_CHANNEL_REC *channel,
         voice = config_node_get_bool(node, "voice", FALSE);
         halfop = config_node_get_bool(node, "halfop", FALSE);
 	nickrec = irc_nicklist_insert(channel, nick, op, halfop, voice, FALSE);
-	other = config_node_get_str(node, "other", NULL);
-	nickrec->other = other == NULL ? '\0' : other[0];
+	strocpy(nickrec->prefixes,
+		config_node_get_str(node, "prefixes", ""),
+		sizeof(nickrec->prefixes));
 }
 
 static void session_restore_channel(IRC_CHANNEL_REC *channel)

src/irc/core/modes.c

@@ -46,8 +46,12 @@ static void nick_mode_change(IRC_CHANNEL_REC *channel, const char *nick,
 	if (mode == '@') nickrec->op = type == '+';
 	else if (mode == '+') nickrec->voice = type == '+';
 	else if (mode == '%') nickrec->halfop = type == '+';
-	else if (channel->server->prefix[(unsigned char) mode] != '\0')
-		nickrec->other = (type == '+' ? mode : '\0');
+	if (channel->server->prefix[(unsigned char) mode] != '\0') {
+		if (type == '+')
+			prefix_add(nickrec->prefixes, mode, (SERVER_REC *) channel->server);
+		else
+			prefix_del(nickrec->prefixes, mode);
+	}
 
 	modestr[0] = mode; modestr[1] = '\0';
 	typestr[0] = type; typestr[1] = '\0';
@@ -55,6 +59,57 @@ static void nick_mode_change(IRC_CHANNEL_REC *channel, const char *nick,
 		    channel, nickrec, setby, modestr, typestr);
 }
 
+void prefix_add(char *prefixes, char newprefix, SERVER_REC *server)
+{
+	const char *prefixlst;
+	char newprefixes[MAX_USER_PREFIXES+1]; /* to hold the new prefixes */
+	unsigned int newpos = 0; /* to hold our position in the new prefixes */
+	unsigned int oldpos = 0; /* to hold our position in the old prefixes */
+
+	prefixlst = server->get_nick_flags(server);
+
+	/* go through the possible prefixes, copy higher ones, and find this one's place
+	 * always leave room for the current prefix to be added, though.
+	 */
+	while (*prefixlst != '\0' && prefixes[oldpos] != '\0' &&
+			newpos < MAX_USER_PREFIXES - 1) {
+		if (prefixes[oldpos] == newprefix)
+			return; /* already inserted.  why are we here? */
+
+		if (*prefixlst == newprefix)
+			break; /* insert the new prefix here */
+		
+		if (*prefixlst == prefixes[oldpos]) {
+			/* this prefix is present.
+			 * the one we are inserting goes after it.
+			 * copy it over, and continue searching.
+			 */
+			newprefixes[newpos++] = prefixes[oldpos++];
+		}
+		prefixlst++;
+	}
+	
+	/* newpos is now the position in which we wish to insert the prefix */
+	newprefixes[newpos++] = newprefix;
+
+	/* finish copying the remaining prefixes */
+	while (prefixes[oldpos] != '\0' && newpos < MAX_USER_PREFIXES)
+		newprefixes[newpos++] = prefixes[oldpos++];
+
+	newprefixes[newpos] = '\0';
+
+	memcpy(prefixes, newprefixes, sizeof(prefixes));
+}
+
+void prefix_del(char *prefixes, char oldprefix)
+{
+	char *todel;
+
+	todel = strchr(prefixes, oldprefix);
+	if (todel)
+		memmove(todel, todel+1, strlen(todel));
+}
+
 static int mode_is_set(const char *str, char mode)
 {
 	char *end, *pos;

src/irc/core/modes.h

@@ -54,6 +54,9 @@ void channel_set_singlemode(IRC_CHANNEL_REC *channel, const char *nicks,
 void channel_set_mode(IRC_SERVER_REC *server, const char *channel,
 		      const char *mode);
 
+void prefix_add(char *prefixes, char newprefix, SERVER_REC *server);
+void prefix_del(char *prefixes, char oldprefix);
+
 mode_func_t modes_type_a;
 mode_func_t modes_type_b;
 mode_func_t modes_type_c;

src/irc/core/netsplit.c

@@ -135,7 +135,7 @@ static NETSPLIT_REC *netsplit_add(IRC_SERVER_REC *server, const char *nick,
 		splitchan->op = nickrec->op;
 		splitchan->halfop = nickrec->halfop;
 		splitchan->voice = nickrec->voice;
-		splitchan->other = nickrec->other;
+		memcpy(splitchan->prefixes, nickrec->prefixes, sizeof(splitchan->prefixes));
 
 		rec->channels = g_slist_append(rec->channels, splitchan);
 	}

src/irc/core/netsplit.h

@@ -28,7 +28,7 @@ typedef struct {
 	unsigned int op:1;
 	unsigned int halfop:1;
 	unsigned int voice:1;
-	unsigned int other:7;
+	char prefixes[MAX_USER_PREFIXES+1];
 } NETSPLIT_CHAN_REC;
 
 void netsplit_init(void);

src/irc/proxy/dump.c

@@ -180,14 +180,8 @@ static void dump_join(IRC_CHANNEL_REC *channel, CLIENT_REC *client)
 		else
 			g_string_append_c(str, ' ');
 
-		if (nick->other)
-                        g_string_append_c(str, nick->other);
-		else if (nick->op)
-                        g_string_append_c(str, '@');
-		else if (nick->halfop)
-                        g_string_append_c(str, '%');
-		else if (nick->voice)
-                        g_string_append_c(str, '+');
+		if (nick->prefixes[0])
+                        g_string_append_c(str, nick->prefixes[0]);
 		g_string_append(str, nick->nick);
 	}
 	g_slist_free(nicks);