kike: implement the multi-prefix capability

This commit is contained in:
Přemysl Eric Janouch 2015-06-12 20:29:21 +02:00
parent 20fc6c17d1
commit bf01fb7aa3

83
kike.c
View File

@ -293,6 +293,11 @@ enum
IRC_USER_MODE_RX_SERVER_NOTICES = (1 << 4)
};
enum
{
IRC_CAP_MULTI_PREFIX = (1 << 0),
};
struct client
{
LIST_HEADER (struct client)
@ -314,6 +319,7 @@ struct client
bool half_closed; ///< Closing link: conn. is half-closed
unsigned long cap_version; ///< CAP protocol version
unsigned caps; ///< Enabled capabilities
bool ssl_rx_want_tx; ///< SSL_read() wants to write
bool ssl_tx_want_rx; ///< SSL_write() wants to read
@ -1140,20 +1146,53 @@ irc_handle_cap (const struct irc_message *msg, struct client *c)
subcommand, "Ignoring invalid protocol version number");
c->cap_negotiating = true;
// TODO: actually implement a few capabilities
client_send (c, "CAP %s LS :", target);
client_send (c, "CAP %s LS :multi-prefix", target);
}
else if (!irc_strcmp (subcommand, "LIST"))
{
// TODO: list currently enabled capabilities
client_send (c, "CAP %s LIST :", target);
struct str_vector caps;
str_vector_init (&caps);
if (c->caps & IRC_CAP_MULTI_PREFIX)
str_vector_add (&caps, "multi-prefix");
char *caps_str = join_str_vector (&caps, ' ');
str_vector_free (&caps);
client_send (c, "CAP %s LIST :%s", target, caps_str);
free (caps_str);
}
else if (!irc_strcmp (subcommand, "REQ"))
{
c->cap_negotiating = true;
// TODO: process the capability change request, "-" disables
if (v.len)
unsigned new_caps = c->caps;
bool success = true;
for (size_t i = 0; i < v.len; i++)
{
bool neg = false;
const char *name = v.vector[i];
if (*name == '-')
{
neg = true;
name++;
}
unsigned cap = 0;
if (!strcmp (name, "multi-prefix"))
cap = IRC_CAP_MULTI_PREFIX;
else
success = false;
if (neg)
new_caps &= ~cap;
else
new_caps |= cap;
}
if (success)
{
c->caps = new_caps;
client_send (c, "CAP %s NAK :%s", target, params);
}
else
client_send (c, "CAP %s ACK :%s", target, params);
}
@ -1943,6 +1982,26 @@ irc_handle_list (const struct irc_message *msg, struct client *c)
irc_send_reply (c, IRC_RPL_LISTEND);
}
static void
irc_append_prefixes (struct client *c, struct channel_user *user,
struct str *output)
{
struct str prefixes;
str_init (&prefixes);
if (user->modes & IRC_CHAN_MODE_OPERATOR) str_append_c (&prefixes, '@');
if (user->modes & IRC_CHAN_MODE_VOICE) str_append_c (&prefixes, '+');
if (prefixes.len)
{
if (c->caps & IRC_CAP_MULTI_PREFIX)
str_append (output, prefixes.str);
else
str_append_c (output, prefixes.str[0]);
}
str_free (&prefixes);
}
static void
irc_send_rpl_namreply (struct client *c, const struct channel *chan)
{
@ -1963,10 +2022,7 @@ irc_send_rpl_namreply (struct client *c, const struct channel *chan)
struct str result;
str_init (&result);
if (iter->modes & IRC_CHAN_MODE_OPERATOR)
str_append_c (&result, '@');
else if (iter->modes & IRC_CHAN_MODE_VOICE)
str_append_c (&result, '+');
irc_append_prefixes (c, iter, &result);
str_append (&result, iter->c->nickname);
str_vector_add_owned (&nicks, str_steal (&result));
}
@ -2029,12 +2085,7 @@ irc_send_rpl_whoreply (struct client *c, const struct channel *chan,
struct channel_user *user;
if (chan && (user = channel_get_user (chan, target)))
{
if (user->modes & IRC_CHAN_MODE_OPERATOR)
str_append_c (&chars, '@');
else if (user->modes & IRC_CHAN_MODE_VOICE)
str_append_c (&chars, '+');
}
irc_append_prefixes (c, user, &chars);
irc_send_reply (c, IRC_RPL_WHOREPLY, chan ? chan->name : "*",
target->username, target->hostname, target->ctx->server_name,