def parse(node)
      node.attributes.each do |key, value|
        case key
        when 'leftFromText'
          @left = OoxmlSize.new(value.value.to_f)
        when 'rightFromText'
          @right = OoxmlSize.new(value.value.to_f)
        when 'topFromText'
          @top = OoxmlSize.new(value.value.to_f)
        when 'bottomFromText'
          @bottom = OoxmlSize.new(value.value.to_f)
        when 'tblpX'
          @position_x = OoxmlSize.new(value.value.to_f)
        when 'tblpY'
          @position_y = OoxmlSize.new(value.value.to_f)
        when 'vertAnchor'
          @vertical_anchor = value.value.to_sym
        when 'horzAnchor'
          @horizontal_anchor = value.value.to_sym
        when 'tblpXSpec'
          @horizontal_align_from_anchor = value.value.to_sym
        when 'tblpYSpec'
          @vertical_align_from_anchor = value.value.to_sym
        end
      end
      self
    end
def parse(node)
      node.attributes.each do |key, value|
        case key
        when 'leftFromText'
          @left = OoxmlSize.new(value.value.to_f)
        when 'rightFromText'
          @right = OoxmlSize.new(value.value.to_f)
        when 'topFromText'
          @top = OoxmlSize.new(value.value.to_f)
        when 'bottomFromText'
          @bottom = OoxmlSize.new(value.value.to_f)
        when 'tblpX'
          @position_x = OoxmlSize.new(value.value.to_f)
        when 'tblpY'
          @position_y = OoxmlSize.new(value.value.to_f)
        when 'vertAnchor'
          @vertical_anchor = value.value.to_sym
        when 'horzAnchor'
          @horizontal_anchor = value.value.to_sym
        when 'tblpXSpec'
          @horizontal_align_from_anchor = value.value.to_sym
        when 'tblpYSpec'
          @vertical_align_from_anchor = value.value.to_sym
        end
      end
      self
    end
Parse TablePosition object
 @param node [Nokogiri::XML:Element] node to parse
 @return [TablePosition] result of parsing