HTML::FormFu::Filter::Callback - filter with custom subroutine


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

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NAME

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HTML::FormFu::Filter::Callback - filter with custom subroutine

SYNOPSIS

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    $field->filter({
        type     => 'Callback',
        callback => \&my_filter,
    });

    ---
    elements:
      - type: Text
        name: foo
        filters:
          - type: Callback
            callback: "main::my_filter"

    sub my_filter {
        my ($value) = @_;

        # do something to $value

        return $value;
    }

DESCRIPTION

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Filter using a user-provided subroutine.

METHODS

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callback

Arguments: \&code-reference

Arguments: "subroutine-name"

AUTHOR

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Carl Franks, cfranks@cpan.org

Based on the original source code of HTML::Widget::Filter::Callback, by Lyo Kato, lyo.kato@gmail.com

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::Filter::Callback;

use Moose;
extends 'HTML::FormFu::Filter';

has callback => ( is => 'rw', traits => ['Chained'] );

sub filter {
    my ( $self, $value, $params ) = @_;

    my $callback = $self->callback || sub {$value};

    no strict 'refs';

    return $callback->( $value, $params );
}

__PACKAGE__->meta->make_immutable;

1;

__END__