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package HTML::FormFu::Constraint::Set;
use Moose;
use MooseX::Attribute::Chained;
extends 'HTML::FormFu::Constraint';
use Clone ();
has set => ( is => 'rw', traits => ['Chained'] );
sub constrain_value {
my ( $self, $value ) = @_;
return 1 if !defined $value || $value eq '';
my $set = $self->set;
my %set = map { $_ => 1 } @$set;
return exists $set{$value};
}
sub clone {
my $self = shift;
my $clone = $self->SUPER::clone(@_);
if ( $self->set ) {
$clone->set( Clone::clone( $self->set ) );
}
return $clone;
}
__PACKAGE__->meta->make_immutable;
1;
__END__
=head1 NAME
HTML::FormFu::Constraint::Set - Set of Values Constraint
=head1 SYNOPSIS
type: Set
set: [yes, no]
=head1 DESCRIPTION
The input value must be in the specified set of values.
=head1 METHODS
=head2 set
Arguments: \@allowed_values
=head1 SEE ALSO
Is a sub-class of, and inherits methods from L<HTML::FormFu::Constraint>
L<HTML::FormFu>
=head1 AUTHOR
Carl Franks C<cfranks@cpan.org>
=head1 LICENSE
This library is free software, you can redistribute it and/or modify it under
the same terms as Perl itself.
=cut
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