+ case 'login':
+ if ($arg) {
+ return null;
+ } else {
+ return new LoginCommand($user);
+ }
+ case 'lose':
+ if ($arg) {
+ list($other, $extra) = $this->split_arg($arg);
+ if ($extra) {
+ return null;
+ } else {
+ return new LoseCommand($user, $other);
+ }
+ } else {
+ return null;
+ }
+ case 'subscribers':
+ if ($arg) {
+ return null;
+ } else {
+ return new SubscribersCommand($user);
+ }
+ case 'subscriptions':
+ if ($arg) {
+ return null;
+ } else {
+ return new SubscriptionsCommand($user);
+ }
+ case 'groups':
+ if ($arg) {
+ return null;
+ } else {
+ return new GroupsCommand($user);
+ }