+static ttt_error_t
+_ttt_client_execute_message (ttt_client_t *client,
+ char **args,
+ int num_args)
+{
+ char *response;
+ char *notice;
+
+ assert (num_args == 1);
+
+ if (!client->registered)
+ return TTT_ERROR_NO_NAME_SET;
+
+ xasprintf (&response, "MESSAGE\r\n");
+ ttt_client_send (client, response);
+
+ xasprintf (¬ice, "NOTICE MESSAGE %s \"%s\"\r\n",
+ client->name,
+ args[0]);
+ ttt_server_broadcast (client->server, notice);
+
+ free (notice);
+ free (response);
+
+ return TTT_ERROR_NONE;
+}
+
+static ttt_error_t
+_ttt_client_execute_help (ttt_client_t *client,
+ char **args,
+ int num_args)
+{
+ char *response;
+ char *command;
+ ttt_command_description_t *desc;
+ int i;
+ ttt_bool_t is_command = FALSE;
+
+ if (num_args == 0) {
+ xasprintf (&response, "HELP \"\r\n"
+ "Available Commands:\r\n");
+ for (i = 0; i < ARRAY_SIZE(command_descriptions); i++) {
+ desc = &command_descriptions[i];
+ xasprintf (&response, "%s\r\n %s - %s\r\n",
+ response,
+ desc->usage,
+ desc->description);
+ }
+ xasprintf (&response, "%s\"\r\n", response);
+ } else {
+ command = args[0];
+ for (i = 0; i < strlen (command); i++)
+ command[i] = toupper (command[i]);
+ for (i = 0; i < ARRAY_SIZE(command_descriptions); i++) {
+ desc = &command_descriptions[i];
+ if (strcmp (desc->command, command) == 0) {
+ is_command = TRUE;
+ xasprintf (&response, "HELP %s \"\r\n"
+ "%s\r\n"
+ "\r\n"
+ "Usage:\r\n"
+ " %s\r\n"
+ "\"\r\n",
+ desc->command,
+ desc->description,
+ desc->usage);
+ /* XXX: Add detailed help. */
+ }
+ }
+ }
+
+ if ((num_args == 1) && (!is_command))
+ return TTT_ERROR_SYNTAX;
+
+ ttt_client_send (client, response);
+
+ free (response);
+ return TTT_ERROR_NONE;
+}
+
+static ttt_error_t
+_ttt_client_execute_version (ttt_client_t *client,
+ char **args,
+ int num_args)
+{
+ char *response;
+
+ assert (num_args == 1);
+
+ /* XXX: Argument is being ignored.
+ This is not completely implemented. */
+
+ xasprintf (&response, "VERSION 1\r\n");
+ ttt_client_send (client, response);
+
+ free (response);
+ return TTT_ERROR_NONE;
+}
+
+static ttt_error_t
+_ttt_client_execute_quit (ttt_client_t *client,
+ char **args,
+ int num_args)
+{
+ char *notice;
+
+ assert (num_args == 0);
+
+ if (!client->registered)
+ return TTT_ERROR_QUIT_REQUESTED;
+
+ xasprintf (¬ice, "NOTICE QUIT %s\r\n",
+ client->name);
+ ttt_server_broadcast (client->server, notice);
+
+ free (notice);
+
+ return TTT_ERROR_QUIT_REQUESTED;
+}