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package FormValidator::Simple::Constraint;
use strict;
use base qw/Class::Accessor::Fast/;
use FormValidator::Simple::Exception;
use FormValidator::Simple::Validator;
use FormValidator::Simple::Constants;
__PACKAGE__->mk_accessors(qw/name command negative args/);
sub new {
my $class = shift;
my $self = bless { }, $class;
$self->_init(@_);
return $self;
}
sub _init {
my ($self, $setting) = @_;
if (ref $setting) {
my($name, @args) = @$setting;
$self->name($name);
$self->args( [@args] );
} else {
$self->name($setting);
$self->args( [] );
}
$self->_check_name;
}
sub _check_name {
my $self = shift;
my $name = $self->name;
if($name =~ /^NOT_(.+)$/) {
$self->command($1);
$self->negative( TRUE );
} else {
$self->command($name);
$self->negative( FALSE );
}
}
sub check {
my ($self, $params) = @_;
my $command = $self->command;
FormValidator::Simple::Exception->throw(
qq/Unknown validation "$command"./
) unless FormValidator::Simple::Validator->can($command);
my ($result, $data) = FormValidator::Simple::Validator->$command($params, $self->args);
$result = not $result if $self->negative;
return ($result, $data);
}
1;
__END__
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