<?php
/**
 * Created by PhpStorm.
 * User: mike
 * Date: 08/10/14
 * Time: 10:19
 */

class XML_Parser
{
    /*
     * XML Object
     */
    private $_xml;


    public function __construct($name)
    {
        $this->load($name);
    }

    /*
     * Return an array
     */
    public function getAll()
    {
        return json_decode(json_encode($this->_xml), 1);
    }

    /*
     * Get current entity
     */
    public function getCurrent($sub = null)
    {
        $all = $this->getAll();
        if( $sub == null && defined('URL_SUB') ) $sub = URL_SUB;
        $sub = trim($sub);
        $sub = str_replace('?rel=ajax','',$sub);

        foreach($all['entity'] as $key => $entity)
        {
            if( ( empty($sub) && isset( $entity['@attributes']['root'])) ||
                ( ! empty($sub) && Fn::encodeUrl($entity['title']) == $sub))
            {
                return $entity;
            }
        }

        return false;
    }

    /*
     * Loads the xml file
     */
    private function load($name)
    {
        $file = DOCUMENT_ROOT . 'xml/' . $name .'.xml.php';

        if(file_exists($file))
        {
            // read file
            ob_start();
            require $file ;
            $string = ob_get_contents();
            ob_end_clean();

            // Set property
            $this->_xml = simplexml_load_string($string,'SimpleXMLElement', LIBXML_NOCDATA);
        }
    }
}