<?php
 class Lochness extends Restaurant {
 
 	function __construct() {
 		$day = date('N');
 		$row = 3*$day - 2;
 
 		parent::__construct(
 			"Lochness",
 			"http://www.lochnesspub.sk/category/obedove-menu/",
 			["Polievka aj zradlo" => "/html/body/div[3]/div/div/div[1]/table/tbody/tr[$row]"]
 		);
 	}
 
 	public function runCallbackParser($parentNode, iOutput $logger) {
 		$nodes = $parentNode->item(0)->childNodes;
 		if ($nodes->item(2) === NULL)
 		{
 			return '';
 		}
 
 		/** @var $meals DOMNode */
 		$meals = $nodes->item(2);
 		$i = 1;
 		foreach ($meals->childNodes as $elem)
 		{
 			$i++;
 			if ($i % 2) continue;
 
 			$logger->addMeal(trim($elem->nodeValue));
 		}
 
 		return TRUE;
 	}
 }