<?php

/**
 * Specialization of a string: IP address
 *
 * @package     iTopORM
 */
class AttributeIPAddress extends AttributeString
{
    /**
     * Useless constructor, but if not present PHP 7.4.0/7.4.1 is crashing :( (N°2329)
     *
     * @see https://www.php.net/manual/fr/language.oop5.decon.php states that child constructor can be ommited
     * @see https://bugs.php.net/bug.php?id=79010 bug solved in PHP 7.4.9
     *
     * @param string $sCode
     * @param array $aParams
     *
     * @throws \Exception
     * @noinspection SenselessProxyMethodInspection
     */
    public function __construct($sCode, $aParams)
    {
        parent::__construct($sCode, $aParams);
    }

    public function GetValidationPattern()
    {
        $sNum = '(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])';

        return "^($sNum\\.$sNum\\.$sNum\\.$sNum)$";
    }

    public function GetOrderBySQLExpressions($sClassAlias)
    {
        // Note: This is the responsibility of this function to place backticks around column aliases
        return array('INET_ATON(`' . $sClassAlias . $this->GetCode() . '`)');
    }
}