HTML::FormFu::Constraint::Set - Set of Values Constraint

HTML-FormFu documentation Contained in the HTML-FormFu distribution.

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NAME

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HTML::FormFu::Constraint::Set - Set of Values Constraint

SYNOPSIS

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    type: Set
    set: [yes, no]

DESCRIPTION

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The input value must be in the specified set of values.

METHODS

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set

Arguments: \@allowed_values

SEE ALSO

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Is a sub-class of, and inherits methods from HTML::FormFu::Constraint

HTML::FormFu

AUTHOR

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Carl Franks cfranks@cpan.org

LICENSE

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This library is free software, you can redistribute it and/or modify it under the same terms as Perl itself.

HTML-FormFu documentation Contained in the HTML-FormFu distribution. 
package HTML::FormFu::Constraint::Set;

use Moose;
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__