public function parse($line)
    {
        $this->error = false;
        $this->currentTextLineContainer = $this->textLineContainers[$this->config->defaultTextLineContainer];
        $firsttag = clone ($this->currentTextLineContainer->tag);

        $this->str = preg_split($this->currentTextLineContainer->pattern, $line, -1, PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY);
        $this->end = count($this->str);

        if ($this->end > 1) {
            $pos = -1;
            $this->_parse($firsttag, $pos);

            return $firsttag->getContent();
        } else {
            $firsttag->addContentString($line);

            return $firsttag->getContent();
        }
    }