def parse
      return nil unless File.file?(@file)

      doc = parse_xml(@file)
      doc.xpath('w:comments/*').each do |node_child|
        case node_child.name
        when 'comment'
          @comments_array << Comment.new(parent: self).parse(node_child)
        end
      end
      self
    end
def parse
      return nil unless File.file?(@file)

      doc = parse_xml(@file)
      doc.xpath('w:comments/*').each do |node_child|
        case node_child.name
        when 'comment'
          @comments_array << Comment.new(parent: self).parse(node_child)
        end
      end
      self
    end
Parse CommentsExtended object
 @return [Comments] result of parsing