# ABSTRACT: Label Directive for Validation Class Field Definitions

package Validation::Class::Directive::Label;

use strict;
use warnings;

use base 'Validation::Class::Directive';

use Validation::Class::Util;

# VERSION


has 'mixin'        => 0;
has 'field'        => 1;
has 'multi'        => 0;

sub normalize {

    my ($self, $proto, $field) = @_;

    # static messages may contain multiline strings for the sake of
    # aesthetics, flatten them here

    if (defined $field->{label}) {

        $field->{label} =~ s/^[\n\s\t\r]+//g;
        $field->{label} =~ s/[\n\s\t\r]+$//g;
        $field->{label} =~ s/[\n\s\t\r]+/ /g;

    }

    return $self;

}

1;

__END__
=pod

=head1 NAME

Validation::Class::Directive::Label - Label Directive for Validation Class Field Definitions

=head1 VERSION

version 7.900005

=head1 SYNOPSIS

    use Validation::Class::Simple;

    my $rules = Validation::Class::Simple->new(
        fields => {
            user_ssn => {
                label => 'User Social Security Number'
            }
        }
    );

    # set parameters to be validated
    $rules->params->add($parameters);

    # validate
    unless ($rules->validate) {
        # handle the failures
    }

=head1 DESCRIPTION

Validation::Class::Directive::Label is a core validation class field directive
that holds a user-friendly string (name) representing the associated field.

=head1 AUTHOR

Al Newkirk <anewkirk@ana.io>

=head1 COPYRIGHT AND LICENSE

This software is copyright (c) 2011 by Al Newkirk.

This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.

=cut