parser.php

См. документацию.

<?php
namespace Bitrix\Main\Web\DOM;
 
abstract class Parser
{
    /*@var $htmlParser HtmlParser */
    private static $htmlParser;
 
    /*@var $config ParserConfig */
    protected $config;
 
    public static function getHtmlParser()
    {
        if (self::$htmlParser == null)
        {
            self::$htmlParser = new HtmlParser();
        }
 
        return self::$htmlParser;
    }
 
    public function setConfig(ParserConfig $config)
    {
        $this->config = $config;
        return $this;
    }
 
    public function getConfig()
    {
        return $this->config;
    }
 
    abstract public function parse($text = "", Node $toNode);
    abstract public function getSource(Node $node);
}