From 17be991dcec61fd8ef172c43d265ffbcb1a2b67e Mon Sep 17 00:00:00 2001
From: Přemysl Janouch <p.janouch@gmail.com>
Date: Sat, 13 Jun 2015 13:31:59 +0200
Subject: kike: finish implementation of NAMES

---
 kike.c | 76 ++++++++++++++++++++++++++++++++++++++++++++++++++----------------
 1 file changed, 58 insertions(+), 18 deletions(-)

diff --git a/kike.c b/kike.c
index 783c6e2..d13def9 100644
--- a/kike.c
+++ b/kike.c
@@ -2093,8 +2093,26 @@ irc_append_prefixes (struct client *c, struct channel_user *user,
 	str_free (&prefixes);
 }
 
+static char *
+irc_make_rpl_namreply_item
+	(struct client *c, struct client *target, struct channel_user *user)
+{
+	struct str result;
+	str_init (&result);
+
+	if (user)
+		irc_append_prefixes (c, user, &result);
+
+	str_append (&result, target->nickname);
+	if (c->caps_enabled & IRC_CAP_USERHOST_IN_NAMES)
+		str_append_printf (&result,
+			"!%s@%s", target->username, target->hostname);
+	return str_steal (&result);
+}
+
 static void
-irc_send_rpl_namreply (struct client *c, const struct channel *chan)
+irc_send_rpl_namreply (struct client *c, const struct channel *chan,
+	struct str_map *used_nicks)
 {
 	struct str_vector nicks;
 	str_vector_init (&nicks);
@@ -2110,15 +2128,10 @@ irc_send_rpl_namreply (struct client *c, const struct channel *chan)
 	{
 		if (!on_channel && (iter->c->mode & IRC_USER_MODE_INVISIBLE))
 			continue;
-
-		struct str result;
-		str_init (&result);
-		irc_append_prefixes (c, iter, &result);
-		str_append (&result, iter->c->nickname);
-		if (c->caps_enabled & IRC_CAP_USERHOST_IN_NAMES)
-			str_append_printf (&result,
-				"!%s@%s", iter->c->username, iter->c->hostname);
-		str_vector_add_owned (&nicks, str_steal (&result));
+		if (used_nicks)
+			str_map_set (used_nicks, iter->c->nickname, (void *) 1);
+		str_vector_add_owned (&nicks,
+			irc_make_rpl_namreply_item (c, iter->c, iter));
 	}
 
 	irc_send_reply_vector (c, IRC_RPL_NAMREPLY,
@@ -2126,6 +2139,30 @@ irc_send_rpl_namreply (struct client *c, const struct channel *chan)
 	str_vector_free (&nicks);
 }
 
+static void
+irc_send_disassociated_names (struct client *c, struct str_map *used)
+{
+	struct str_vector nicks;
+	str_vector_init (&nicks);
+
+	struct str_map_iter iter;
+	str_map_iter_init (&iter, &c->ctx->users);
+	struct client *target;
+	while ((target = str_map_iter_next (&iter)))
+	{
+		if ((target->mode & IRC_USER_MODE_INVISIBLE)
+		 || str_map_find (used, target->nickname))
+			continue;
+		str_vector_add_owned (&nicks,
+			irc_make_rpl_namreply_item (c, target, NULL));
+	}
+
+	if (nicks.len)
+		irc_send_reply_vector (c, IRC_RPL_NAMREPLY,
+			nicks.vector, '*', "*", "");
+	str_vector_free (&nicks);
+}
+
 static void
 irc_handle_names (const struct irc_message *msg, struct client *c)
 {
@@ -2135,18 +2172,21 @@ irc_handle_names (const struct irc_message *msg, struct client *c)
 	struct channel *chan;
 	if (msg->params.len == 0)
 	{
+		struct str_map used;
+		str_map_init (&used);
+		used.key_xfrm = irc_strxfrm;
+
 		struct str_map_iter iter;
 		str_map_iter_init (&iter, &c->ctx->channels);
 		while ((chan = str_map_iter_next (&iter)))
 			if (!(chan->modes & (IRC_CHAN_MODE_PRIVATE | IRC_CHAN_MODE_SECRET))
 			 || channel_get_user (chan, c))
-				irc_send_rpl_namreply (c, chan);
+				irc_send_rpl_namreply (c, chan, &used);
+
+		// Also send all visible users we haven't listed yet
+		irc_send_disassociated_names (c, &used);
+		str_map_free (&used);
 
-		// TODO
-		// If no <channel> parameter is given, a list of all channels and their
-		// occupants is returned.  At the end of this list, a list of users who
-		// are visible but either not on any channel or not on a visible channel
-		// are listed as being on `channel' "*".
 		irc_send_reply (c, IRC_RPL_ENDOFNAMES, "*");
 	}
 	else
@@ -2159,7 +2199,7 @@ irc_handle_names (const struct irc_message *msg, struct client *c)
 			 && (!(chan->modes & IRC_CHAN_MODE_SECRET)
 			 || channel_get_user (chan, c)))
 			{
-				irc_send_rpl_namreply (c, chan);
+				irc_send_rpl_namreply (c, chan, NULL);
 				irc_send_reply (c, IRC_RPL_ENDOFNAMES, channels.vector[i]);
 			}
 		str_vector_free (&channels);
@@ -2606,7 +2646,7 @@ irc_try_join (struct client *c, const char *channel_name, const char *key)
 	free (message);
 
 	irc_send_rpl_topic (c, chan);
-	irc_send_rpl_namreply (c, chan);
+	irc_send_rpl_namreply (c, chan, NULL);
 	irc_send_reply (c, IRC_RPL_ENDOFNAMES, chan->name);
 }
 
-- 
cgit v1.2.3-70-g09d2