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# ABSTRACT: Options Directive for Validation Class Field Definitions
package Validation::Class::Directive::Options;
use strict;
use warnings;
use base 'Validation::Class::Directive';
use Validation::Class::Util;
our $VERSION = '7.900057'; # VERSION
has 'mixin' => 1;
has 'field' => 1;
has 'multi' => 0;
has 'message' => '%s must be either %s';
sub validate {
my $self = shift;
my ($proto, $field, $param) = @_;
if (defined $field->{options} && defined $param) {
my $options = $field->{options};
if ( $field->{required} || $param ) {
my (@options) = isa_arrayref($options) ?
@{$options} : split /(?:\s{1,})?[,\-]{1,}(?:\s{1,})?/, $options
;
foreach my $option (@options) {
if ($option =~ /^([^\|]+)\|(.*)/) {
$option = $0;
}
elsif (isa_arrayref($option)) {
$option = $option->[0];
}
}
unless (grep { $param eq $_ } @options) {
if (my @o = @options) {
my$list=(join(' or ',join(', ',@o[0..$#o-1])||(),$o[-1]));
$self->error(@_, $list);
}
}
}
}
return $self;
}
1;
__END__
=pod
=head1 NAME
Validation::Class::Directive::Options - Options Directive for Validation Class Field Definitions
=head1 VERSION
version 7.900057
=head1 SYNOPSIS
use Validation::Class::Simple;
my $rules = Validation::Class::Simple->new(
fields => {
user_role => {
options => 'Client'
}
}
);
# set parameters to be validated
$rules->params->add($parameters);
# validate
unless ($rules->validate) {
# handle the failures
}
=head1 DESCRIPTION
Validation::Class::Directive::Options is a core validation class field directive
that holds an enumerated list of values to be validated against the associated
parameters.
=over 8
=item * alternative argument: an-array-of-user-defined-options
This directive can be passed a single value or an array of values:
fields => {
user_role => {
options => ['Client', 'Employee', 'Administrator']
}
}
# the following examples are useful for plugins (and other code)
# that may want to otherwise identify option values
fields => {
user_role => {
options => [
'1|Client',
'2|Employee',
'3|Administrator'
]
}
}
# please note:
# declaring options as "keyed-options" will cause the validation of
# the option's key and NOT the option's value
fields => {
user_role => {
options => [
[ 1 => 'Client' ],
[ 2 => 'Employee' ],
[ 3 => 'Administrator' ]
]
}
}
=back
=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
|
