# ISO <<Class>> LI_Source
# writer output in XML

# History:
# 	Stan Smith 2013-11-20 original script
#   Stan Smith 2014-07-09 modify require statements to function in RubyGem structure
#   Stan Smith 2014-12-12 refactored to handle namespacing readers and writers

require 'class_citation'
require 'class_processStep'

module ADIWG
    module Mdtranslator
        module Writers
            module Iso

                class LI_Source

                    def initialize(xml)
                        @xml = xml
                    end

                    def writeXML(hSource)

                        # classes used
                        citationClass = $WriterNS::CI_Citation.new(@xml)
                        pStepClass = $WriterNS::LI_ProcessStep.new(@xml)

                        @xml.tag!('gmd:LI_Source') do

                            # source - description - required
                            s = hSource[:sourceDescription]
                            if s.nil?
                                @xml.tag!('gmd:description', {'gco:nilReason' => 'missing'})
                            else
                                @xml.tag!('gmd:description') do
                                    @xml.tag!('gco:CharacterString', s)
                                end
                            end

                            # source - citation
                            hCitation = hSource[:sourceCitation]
                            if !hCitation.empty?
                                @xml.tag!('gmd:sourceCitation') do
                                    citationClass.writeXML(hCitation)
                                end
                            elsif $showAllTags
                                @xml.tag!('gmd:sourceCitation')
                            end

                            # source - process steps
                            aSteps = hSource[:sourceSteps]
                            unless aSteps.empty?
                                aSteps.each do |hStep|
                                    @xml.tag!('gmd:sourceStep') do
                                        pStepClass.writeXML(hStep)
                                    end
                                end
                            end

                        end

                    end

                end

            end
        end
    end
end