def parse(node)
      node.attributes.each do |key, value|
        case key
        when 'gridSpan'
          @grid_span = value.value.to_i
        when 'hMerge'
          @horizontal_merge = value.value.to_i
        when 'vMerge'
          @vertical_merge = value.value.to_i
        end
      end

      node.xpath('*').each do |node_child|
        case node_child.name
        when 'txBody'
          @text_body = TextBody.new(parent: self).parse(node_child)
        when 'tcPr'
          @properties = CellProperties.new(parent: self).parse(node_child)
        when 'p'
          @elements << DocumentStructure.default_table_paragraph_style.dup.parse(node_child,
                                                                                 0,
                                                                                 DocumentStructure.default_table_run_style,
                                                                                 parent: self)
        when 'sdt'
          @elements << StructuredDocumentTag.new(parent: self).parse(node_child)
        when 'tbl'
          @elements << Table.new(parent: self).parse(node_child)
        end
      end
      self
    end
def parse(node)
      node.attributes.each do |key, value|
        case key
        when 'gridSpan'
          @grid_span = value.value.to_i
        when 'hMerge'
          @horizontal_merge = value.value.to_i
        when 'vMerge'
          @vertical_merge = value.value.to_i
        end
      end

      node.xpath('*').each do |node_child|
        case node_child.name
        when 'txBody'
          @text_body = TextBody.new(parent: self).parse(node_child)
        when 'tcPr'
          @properties = CellProperties.new(parent: self).parse(node_child)
        when 'p'
          @elements << DocumentStructure.default_table_paragraph_style.dup.parse(node_child,
                                                                                 0,
                                                                                 DocumentStructure.default_table_run_style,
                                                                                 parent: self)
        when 'sdt'
          @elements << StructuredDocumentTag.new(parent: self).parse(node_child)
        when 'tbl'
          @elements << Table.new(parent: self).parse(node_child)
        end
      end
      self
    end
Parse TableCell object
 @param node [Nokogiri::XML:Element] node to parse
 @return [TableCell] result of parsing