my %methods = (
enable => sub { ;;;; },
+ eq_ignore_empty => sub { ($_[0] // '') eq '' ? () : +{ eq => $_[0] } },
map {
# since $_ is an alias it can't be used in a closure. even "".$_ or "$_"
# does not work, we need a real copy.
sub parse_filter {
my ($filter, %params) = @_;
- my $hint_objects = $params{with_objects} || [];
- my $auto_objects = [];
+ my $objects = $params{with_objects} || [];
- my ($flattened, $objects) = flatten($filter, $auto_objects, '', %params);
+ my ($flattened, $auto_objects) = flatten($filter, '', %params);
- if ($params{class}) {
- $objects = $hint_objects;
+ if (!$params{class}) {
+ _add_uniq($objects, $_) for @$auto_objects;
}
my $query = _parse_filter($flattened, $objects, %params);
}
sub flatten {
- my ($filter, $with_objects, $prefix, %params) = @_;
+ my ($filter, $prefix, %params) = @_;
- return (undef, $with_objects) unless 'HASH' eq ref $filter;
- $with_objects ||= [];
+ return (undef, []) unless 'HASH' eq ref $filter;
+ my $with_objects = [];
my @result;
while (my ($key, $value) = each %$filter) {
next if !defined $value || $value eq ''; # 0 is fine
if ('HASH' eq ref $value) {
- my ($query, $more_objects) = flatten($value, $with_objects, _prefix($prefix, $key));
- push @result, @$query if $query;
- push @$with_objects, _prefix($prefix, $key), ($more_objects ? @$more_objects : ());
+ my ($query, $more_objects) = flatten($value, _prefix($prefix, $key));
+ push @result, @$query if $query;
+ _add_uniq($with_objects, $_) for _prefix($prefix, $key), @$more_objects;
} else {
push @result, _prefix($prefix, $key) => $value;
}
($key, $value) = _apply_all($key, $value, qr/\b::(\w+)/, { %methods, %{ $params{methods} || {} } });
($key, $value) = _dispatch_custom_filters($params{class}, $with_objects, $key, $value) if $params{class};
- push @result, $key, $value;
+ push @result, $key, $value if defined $key;
}
return \@result;
}
if ($manager->can('filter')) {
($key, $value, my $obj) = $manager->filter($last_token, $value, $obj_prefix);
- _add_uniq($with_objects, $obj);
+ _add_uniq($with_objects, $obj) if $obj;
} else {
- _add_uniq($with_objects, $obj_path);
+ _add_uniq($with_objects, $obj_path) if $obj_path;
}
return ($key, $value);
my ($array, $what) = @_;
$array //= [];
- $array = [ uniq @$array, listify($what) ];
+ @$array = (uniq @$array, listify($what));
}
sub _collapse_indirect_filters {
Adds "% .. %" around the search string.
+=item eq_ignore_empty
+
+Ignores this item if it's empty. Otherwise compares it with the
+standard SQL C<=> operator.
+
=back
=head2 METHODS (leading with ::)