saxulum / saxulum-json-document

     * @param  AttributeNode $attribute

     * @return void

     */

    public function addAttribute(AttributeNode $attribute)

    {

        $name = $attribute->getName();

        if (isset($this->attributes[$name])) {

            throw new \InvalidArgumentException(sprintf("There is allready a attribute with this name '%s'!", $name));

        }

        $this->checkAttribute($attribute);

        $this->removeAttributeFromParent($attribute);

        Document::setProperty($attribute, 'parent', $this);

        $this->attributes[$attribute->getName()] = $attribute;

    }

    /**

     * @param  AttributeNode $attribute

     * @param  AbstractElement $node

     * @return void

     */

    public function addNode(AbstractElement $node)

    {

        $name = $node->getName();

        if (isset($this->nodes[$name])) {

            throw new \InvalidArgumentException("There is allready a node with this name!");

        }

        $this->checkNode($node);

        $this->removeNodeFromParent($node);

        Document::setProperty($node, 'parent', $this);

        $this->nodes[$node->getName()] = $node;

    }

    /**

     * @param  AbstractElement $node