From 9b1664f968a96b9000417550a51ad56423ed7cbc Mon Sep 17 00:00:00 2001
From: Přemysl Janouch <p.janouch@gmail.com>
Date: Thu, 4 Jun 2015 22:19:32 +0200
Subject: degesch: store channel modes differently

---
 degesch.c | 42 +++++++++++++++++++++++++++++++++++++-----
 1 file changed, 37 insertions(+), 5 deletions(-)

diff --git a/degesch.c b/degesch.c
index d1c5058..cbcec56 100644
--- a/degesch.c
+++ b/degesch.c
@@ -852,9 +852,12 @@ struct channel
 	// TODO: eventually a reference to the server
 
 	char *name;                         ///< Channel name
-	char *mode;                         ///< Channel mode
 	char *topic;                        ///< Channel topic
 
+	// XXX: write something like an ordered set of characters object?
+	struct str no_param_modes;          ///< No parameter channel modes
+	struct str_map param_modes;         ///< Parametrized channel modes
+
 	struct channel_user *users;         ///< Channel users
 	struct str_vector names_buf;        ///< Buffer for RPL_NAMREPLY
 };
@@ -864,6 +867,9 @@ channel_new (void)
 {
 	struct channel *self = xcalloc (1, sizeof *self);
 	self->ref_count = 1;
+	str_init (&self->no_param_modes);
+	str_map_init (&self->param_modes);
+	self->param_modes.free = free;
 	str_vector_init (&self->names_buf);
 	return self;
 }
@@ -872,8 +878,9 @@ static void
 channel_destroy (struct channel *self)
 {
 	free (self->name);
-	free (self->mode);
 	free (self->topic);
+	str_free (&self->no_param_modes);
+	str_map_free (&self->param_modes);
 	// Owner has to make sure we have no users by now
 	hard_assert (!self->users);
 	str_vector_free (&self->names_buf);
@@ -2796,7 +2803,6 @@ irc_make_channel (struct server *s, char *name)
 	channel->on_destroy = irc_channel_on_destroy;
 	channel->user_data = s;
 	channel->name = name;
-	channel->mode = xstrdup ("");
 	channel->topic = NULL;
 	str_map_set (&s->irc_channels, channel->name, channel);
 	return channel;
@@ -3604,6 +3610,27 @@ make_unseen_prefix (struct app_context *ctx)
 	return NULL;
 }
 
+static char *
+make_chanmode_postfix (struct channel *channel)
+{
+	struct str modes;
+	str_init (&modes);
+	if (channel->no_param_modes.len)
+		str_append (&modes, channel->no_param_modes.str);
+
+	struct str_map_iter iter;
+	str_map_iter_init (&iter, &channel->param_modes);
+	char *param;
+	while ((param = str_map_iter_next (&iter)))
+		str_append_c (&modes, iter.link->key[0]);
+
+	if (modes.len)
+		return str_steal (&modes);
+
+	str_free (&modes);
+	return NULL;
+}
+
 static void
 make_prompt (struct app_context *ctx, struct str *output)
 {
@@ -3620,8 +3647,13 @@ make_prompt (struct app_context *ctx, struct str *output)
 
 	str_append_printf (output, "%d:%s",
 		buffer_get_index (ctx, buffer), buffer->name);
-	if (buffer->type == BUFFER_CHANNEL && *buffer->channel->mode)
-		str_append_printf (output, "(%s)", buffer->channel->mode);
+	if (buffer->type == BUFFER_CHANNEL)
+	{
+		char *modes = make_chanmode_postfix (buffer->channel);
+		if (modes)
+			str_append_printf (output, "(+%s)", modes);
+		free (modes);
+	}
 
 	if (buffer != ctx->global_buffer)
 	{
-- 
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