<?php

namespace DNSManager\opensrs;

class class_xml {
	public function __construct () {}
	public function __destruct() {}

	public function xml2array($fileLocation){
		$xml_values = array();
                if (!file_exists($fileLocation)){
                    trigger_error("oSRS Error - Unable to find config file, please make sure paths and active config file name are correct in openSRS_config.php.");
                    $result = false;
                }
                else{
                    $contents = file_get_contents($fileLocation);

                    $parser = xml_parser_create('');
                    if(!$parser) return false;

                    xml_parser_set_option($parser, XML_OPTION_TARGET_ENCODING, 'UTF-8');
                    xml_parser_set_option($parser, XML_OPTION_CASE_FOLDING, 0);
                    xml_parser_set_option($parser, XML_OPTION_SKIP_WHITE, 1);
                    xml_parse_into_struct($parser, trim($contents), $xml_values);
                    xml_parser_free($parser);
                    if (!$xml_values) return array();

                    $xml_array = array();
                    $last_tag_ar =& $xml_array;
                    $parents = array();
                    $last_counter_in_tag = array(1=>0);
                    foreach ($xml_values as $data) {
                            switch($data['type']) {
                                    case 'open':
                                            $last_counter_in_tag[$data['level']+1] = 0;
                                            $new_tag = array('name' => $data['tag']);

                                            if(isset($data['attributes'])) $new_tag['attributes'] = $data['attributes'];
                                            if(isset($data['value']) && trim($data['value'])) $new_tag['value'] = trim($data['value']);

                                            $last_tag_ar[$last_counter_in_tag[$data['level']]] = $new_tag;
                                            $parents[$data['level']] =& $last_tag_ar;
                                            $last_tag_ar =& $last_tag_ar[$last_counter_in_tag[$data['level']]++];
                                            break;

                                    case 'complete':
                                            $new_tag = array('name' => $data['tag']);

                                            if(isset($data['attributes'])) $new_tag['attributes'] = $data['attributes'];
                                            if(isset($data['value']) && trim($data['value'])) $new_tag['value'] = trim($data['value']);

                                            $last_count = count($last_tag_ar)-1;
                                            $last_tag_ar[$last_counter_in_tag[$data['level']]++] = $new_tag;
                                            break;

                                    case 'close':
                                            $last_tag_ar =& $parents[$data['level']];
                                            break;

                                    default:
                                            break;
                            };
                    }
                    $result = $xml_array;
                }

                return $result;
	}

	public function getValueByPath($xml_array, $tagPath) {
		$tmp_arr =& $xml_array;
		$tag_path = explode('/', $tagPath);
		
		foreach($tag_path as $tag_name) {
			$res = false;
			foreach($tmp_arr as $key => $node) {
				if(is_int($key) && $node['name'] == $tag_name) {
					$tmp_arr = $node;
					$res = true;
					break;
				}
			}
			if(!$res) return false;
		}
		
		return $tmp_arr;
	} 

	public function renameFile ($path, $input) {
		$result = rename ($path . $input .".xml", $path . $input .".txt");
		return $result;
	}
}


// $arr = xml2array('test.xml');
// print_r(getValueByPath($arr, 'tag/sub_tag/sub_sub_tag'));