pQuery\TokenizerBase::next PHP Метод

    function next()
    {
        $this->token_start = null;
        if (++$this->pos < $this->size) {
            if (isset($this->char_map[$this->doc[$this->pos]])) {
                if (is_string($this->char_map[$this->doc[$this->pos]])) {
                    return $this->token = $this->{$this->char_map[$this->doc[$this->pos]]}();
                } else {
                    return $this->token = $this->char_map[$this->doc[$this->pos]];
                }
            } else {
                return $this->token = self::TOK_UNKNOWN;
            }
        } else {
            return $this->token = self::TOK_NULL;
        }
    }