# ISO <<CodeLists>> gmd:MD_TopicCategoryCode
# Enumeration

# from http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml
# History:
# 	Stan Smith 2013-10-21 original script

class MD_TopicCategoryCode
	def initialize(xml)
		@xml = xml
	end

	def writeXML(codeName)
		case(codeName)
			when 'farming',
				'biota',
				'boundaries',
				'climatologyMeteorologyAtmosphere',
				'economy',
				'elevation',
				'environment',
				'geoscientificInformation',
				'health',
				'imageryBaseMapsEarthCover',
				'intelligenceMilitary',
				'inlandWaters',
				'location',
				'oceans',
				'planningCadastre',
				'society',
				'structure',
				'transportation',
				'utilitiesCommunication'
			else
				# topics not in the standard ISO list will not pass validation
				# the domain is validated by the XSD
				# this codelist cannot be extended
				return
		end

		# write xml
		@xml.tag!('gmd:MD_TopicCategoryCode',codeName)
	end

end