-sub cleanup_tree {
- my ($h) = @_;
-
- my $class = ref($h);
- return $h if !$class;
-
- if ($class eq 'ARRAY') {
- my $res = [];
- foreach my $el (@$h) {
- push @$res, cleanup_tree($el);
- }
- return $res;
- } elsif ($class eq 'HASH') {
- my $res = {};
- foreach my $k (keys %$h) {
- if (my $class = ref($h->{$k})) {
- if ($class eq 'CODE') {
- next if $k eq 'completion';
- }
- $res->{$k} = cleanup_tree($h->{$k});
- } else {
- $res->{$k} = $h->{$k};
- }
- }
- return $res;
- } elsif ($class eq 'Regexp') {
- return "$h"; # return string representation
- } else {
- die "unknown class '$class'\n";
- }
-}