addName example

    protected function parseSelectorPartAttribute()
    {
        if (!$this->consume("[")) {
            return null;
        }
        $this->consumeWhitespaces();
        $part = new Node\Part\Attribute;
        if (!($name = $this->consumeWord())) {
            throw new Exception("Missing attribute name");
        }
        $part->addName($name);
        while ($this->consume(".")) {
            if (!($name = $this->consumeWord())) {
                throw new Exception("Missing attribute name after dot");
            }
            $part->addName($name);
        }
        $this->consumeWhitespaces();
        $operator = $this->consumeAny($this->attrOperatorChars);
        if ($operator) {
            if (!in_array($operator, $this->attrOperators)) {
                throw new Exception("Invalid attribute operator '$operator'");
            }