classes/form/validation/FormValidatorLength.inc.php

<?php

// $Id: FormValidatorLength.inc.php,v 1.10 2008/07/01 01:16:09 asmecher Exp $


import ('form.validation.FormValidator');

class FormValidatorLength extends FormValidator {

   var $comparator;

   var $length;

   function FormValidatorLength(&$form, $field, $type, $message, $comparator, $length) {
      parent::FormValidator($form, $field, $type, $message);
      $this->comparator = $comparator;
      $this->length = $length;
   }

   function isValid() {
      if ($this->isEmptyAndOptional()) {
         return true;

      } else {
         $length = String::strlen(trim($this->form->getData($this->field)));
         switch ($this->comparator) {
            case '==':
               return $length == $this->length;
            case '!=':
               return $length != $this->length;
            case '<':
               return $length < $this->length;
            case '>':
               return $length > $this->length;
            case '<=':
               return $length <= $this->length;
            case '>=':
               return $length >= $this->length;
         }
         return false;
      }
   }

}

?>

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