degesch: add a way to output mIRC formatting

degesch.c

@@ -3967,6 +3967,39 @@ irc_process_message (const struct irc_message *msg,
 		irc_process_numeric (s, msg, numeric);
 }
 
+// --- mIRC formatting ---------------------------------------------------------
+
+// Out user interface doesn't give us much of a choice with entering it.
+
+static char *
+add_mirc_formatting (const char *text)
+{
+	struct str output;
+	str_init (&output);
+
+	for (; *text; text++)
+	{
+		char c = *text;
+		if (c != '\\')
+		{
+			str_append_c (&output, c);
+			continue;
+		}
+
+		switch (text[1])
+		{
+		case 'b': c = '\x02'; text++; break;
+		case 'c': c = '\x03'; text++; break;
+		case 'i': c = '\x1d'; text++; break;
+		case '_': c = '\x1f'; text++; break;
+		case 'v': c = '\x16'; text++; break;
+		case 'o': c = '\x0f'; text++; break;
+		}
+		str_append_c (&output, c);
+	}
+	return str_steal (&output);
+}
+
 // --- Message autosplitting magic ---------------------------------------------
 
 // This is the most basic acceptable algorithm; something like ICU with proper
@@ -4102,10 +4135,13 @@ send_autosplit_message (struct server *s, struct send_autosplit_args a)
 	int fixed_part = strlen (a.command) + 1 + strlen (a.target) + 1 + 1
 		+ strlen (a.prefix) + strlen (a.suffix);
 
+	// XXX: this may screw up the formatting if we do split the message
+	char *formatted = add_mirc_formatting (a.message);
+
 	struct str_vector lines;
 	str_vector_init (&lines);
 	struct error *e = NULL;
-	if (!irc_autosplit_message (s, a.message, fixed_part, &lines, &e))
+	if (!irc_autosplit_message (s, formatted, fixed_part, &lines, &e))
 	{
 		buffer_send_error (s->ctx,
 			buffer ? buffer : s->buffer, "%s", e->message);
@@ -4120,6 +4156,7 @@ send_autosplit_message (struct server *s, struct send_autosplit_args a)
 		a.logger (s, &a, buffer, lines.vector[i]);
 	}
 end:
+	free (formatted);
 	str_vector_free (&lines);
 }