def parse(node)
      node.xpath('*').each do |node_child|
        case node_child.name
        when 'p'
          @paragraphs << Paragraph.new(parent: self).parse(node_child)
        when 'bodyPr'
          @properties = OOXMLShapeBodyProperties.new(parent: self).parse(node_child)
        end
      end
      self
    end
def parse(node)
      node.xpath('*').each do |node_child|
        case node_child.name
        when 'p'
          @paragraphs << Paragraph.new(parent: self).parse(node_child)
        when 'bodyPr'
          @properties = OOXMLShapeBodyProperties.new(parent: self).parse(node_child)
        end
      end
      self
    end
Parse TextBody object
 @param node [Nokogiri::XML:Element] node to parse
 @return [TextBody] result of parsing