module PIM::AttributeTemplates::Physical

# File pim.rb, line 5079
def self.format value, attribute = nil

  return nil if value.nil? or value.empty?
  raise "Value #{PIM::Utils.value_msg(value)}cannot be transformed into a Physical value" unless PIM::Utils.is_hash?(value) and (value.length == 1 or value.length == 2)

  unit = PIM::Utils.as_json(value.keys[0])
  quantity = PIM::Utils.as_json(value.values[0])

  space = PIM::Utils.is_empty?(quantity) ? '' : ' '

  return "#{quantity}#{space}#{unit}"

end

# File pim.rb, line 5048
def self.parse value, attribute = nil

  return nil if value.nil? or value.to_s.empty?
  return value if PIM::Utils.is_hash?(value)

  dummy, quantity, unit = value.to_s.split(/^([+-]?[\d\.,]*)\s*([\d\w]*)$/)

  quantity = (quantity || "").strip
  unit = (unit || "").strip

  if quantity.empty?
    quantity = PIM::ErrorValue.new(nil, 'Physical', "The quantity part is missing in '#{value}'")
  else

    # Don't convert to a Float if 'disable_value_normalization' is true
    if attribute.nil? or not attribute.param(:disable_value_normalization)
      begin
        quantity = Float(quantity)
      rescue
        quantity = PIM::ErrorValue.new(value, 'Physical', "Quantity part #{PIM::Utils.value_msg(quantity)}cannot be converted to a valid floating point number")
      end
    end

  end

  unit = PIM::ErrorValue.new(nil, 'Physical', "The unit part is missing in '#{value}'") if unit.empty?

  return { unit => quantity }

end