<?php
/**
 * Entier Studio
 *
 * LICENSE
 *
 *	Copyright 2006 Entier Studio team.
 *
 *	Licensed under the Apache License, Version 2.0 (the "License");
 *	you may not use this file except in compliance with the License.
 *	You may obtain a copy of the License at
 *
 *		http://www.apache.org/licenses/LICENSE-2.0
 *
 *	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.
 *
 * @package    entier.framework
 * @copyright  Copyright (c) 2006 Entier Studio team. All rights reserved.
 * @version	   $Id: validator.hostname.php 81 2008-01-17 23:08:21Z yannromefort $
 */
//-----------------------------------------------------------------------------
//	namespace
if (!defined("DefValidatorHostName")) {
    //-------------------------------------------------------------------------
    //	Define
    define("DefValidatorHostName", "1");
    //
    //-------------------------------------------------------------------------
    //	Class
    class ValidatorHostName {
        //---------------------------------------------------------------------
        //	Constructor
        /*
        *
        */
        function ValidatorHostName() {
        }
        //---------------------------------------------------------------------
        //	Methods
        
        /**
         * @param	string
         * @return	boolean
         */
        function isValidLocalHost($value) {
            //
            return ($value == "localhost");
        }
        /**
         * @param	string
         * @return	boolean
         */
        function isValidLocalName($value) {
            //
            return (preg_match('/^(([a-zA-Z0-9\x2d]{1,63}\x2e)*[a-zA-Z0-9\x2d]{1,63}){1,254}$/', $value));
        }
        /**
         * @param	string
         * @return	boolean
         */
        function isValidIPAddress($value) {
            //
            return (@ip2long($valueString));
        }
        /**
         * @param	string
         * @return	boolean
         */
        function isValidDomainName($value) {
            //
            return (@preg_match('/^(?:[^\W_](?:[^\W_]|-){0,61}[^\W_]\.)+[a-zA-Z]{2,6}\.?$/', $value));
        }
        /**
         * @param	string
         * @return	boolean
         */
        function isValid($value) {
            //
            if (ValidatorHostName::isValidDomainName($value) == false) {
                //
                if (ValidatorHostName::isValidIPAddress($value) == false) {
                    return (ValidatorHostName::isValidLocalHost($value));
                }
            }
            //
            return (true);
        }
    };
    //	Class
    //-------------------------------------------------------------------------
    
}
//	namespace
//-----------------------------------------------------------------------------
?>