root/trunk/patForms/Rule/URL.php

<?php
/**
 * patForms Rule URL
 *
 * $Id$
 *
 * @package        patForms
 * @subpackage    Rules
 */

/**
 * patForms Rule URL
 *
 * @package        patForms
 * @subpackage    Rules
 * @author        Stephan Schmidt <schst@php-tools.net>
 * @license        LGPL, see license.txt for details
 * @link        http://www.php-tools.net
 */
class patForms_Rule_URL extends patForms_Rule
{
   /**
    * name of the rule
    *
    * @abstract
    * @access    private
    */
    var    $ruleName = 'URL';

   /**
    * define error codes and messages for the rule
    *
    * @access    private
    * @var        array    $validatorErrorCodes
    * @todo     translate error messages
    */
    var    $validatorErrorCodes  =   array(
        "C"   =>   array(
             1   =>   "The URL has an invalid syntax.",
        ),
        "de" =>    array(
            1    =>    "Die URL hat ein ungültiges Format.",
        ),
        "fr"=>    array(
             1   =>   "L'URL a une syntaxe incorrecte.",
        ),
    );

   /**
    * method called by patForms or any patForms_Element to validate the
    * element or the form.
    *
    * @access    public
    * @param    object patForms    form object
    */
    function applyRule(&$element, $type = PATFORMS_RULE_BEFORE_VALIDATION)
    {
        $value = $element->getValue();
        if (empty($value)) {
            return true;
        }
        $ereg = "(http|ftp|https)://[-A-Za-z0-9._]+(\/([A-Za-z0-9\-\_\.\!\~\*\'\(\)\%\?]+))*/?";
        if (!eregi($ereg, $value)) {
            $this->addValidationError(1);
            return false;
        }
        return true;
    }
}
?>