+sub parse_compare_string {
+ my ($self, $switch) = @_;
+ my ($setting, $mode) = split m/=/, $switch, 2;
+ return $::instance_conf->data->{$setting} eq $mode;
+}
+
+sub clear_access {
+ my ($self) = @_;
+ for my $node ($self->tree_walk("all")) {
+ delete $node->{visible};
+ delete $node->{visible_children};
+ }
+}
+