<?php

//
// Open Web Analytics - An Open Source Web Analytics Framework
//
// Copyright 2006 Peter Adams. All rights reserved.
//
// Licensed under GPL v2.0 http://www.gnu.org/copyleft/gpl.html
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// $Id$
//

/**
 * Sub String Validation
 * 
 * @author      Peter Adams <peter@openwebanalytics.com>
 * @copyright   Copyright &copy; 2006 Peter Adams <peter@openwebanalytics.com>
 * @license     http://www.gnu.org/copyleft/gpl.html GPL v2.0
 * @category    owa
 * @package     owa
 * @version		$Revision$	      
 * @since		owa 1.0.0
 */
 
 class owa_subStringMatchValidation extends owa_validation {
 	
 	function __construct() {
 		
 		return parent::__construct();
 	}
 	
 	function validate() {
 		
 		$value = $this->getValues();
 		$length = strlen($this->getConfig('match'));
 		$str = substr($value, $this->getConfig('position'), $length);
 		
 		switch ($this->getConfig('operator')) {
 			
 			case "=":
 				
 				if ($str != $this->getConfig('match')) {
 					$this->hasError();
 					//print $str;
 				}
 				
 			break;
 			
 			case "!=":
 				
 				if ($str === $this->getConfig('match')) {
 					$this->hasError();
 				}
 			
 			break;
 		}
		
		$error = $this->getErrorMsg();
		
		if (empty($error)) {
			$error = $this->setErrorMessage(sprintf('The string "%s" was found within the value at position %d', $this->getConfig('match'), $this->getConfig('position')));
		} 		
 	}
 	
 }
 
 
?>