Class: Hash

Inherits:
Object
  • Object
show all
Defined in:
lib/hash_to_xml.rb

Instance Method Summary collapse

Instance Method Details

#recurse(parent, collection) ⇒ Object 



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# File 'lib/hash_to_xml.rb', line 10

def recurse( parent, collection )
  #pp '-' * 80
  #pp "parent : #{parent.to_xml}"
  case collection

    when Hash
      collection.each_pair { | key, value |
        #pp "key   : #{key}"
        #pp "value : #{value}"
        node = Nokogiri::XML::Node.new key, @to_xml_doc
        case value
          when Hash, Array
            node = recurse( node, value )
          else
            node.content = value
        end # case value
        parent << node
      }

    when Array
      node = parent
      collection.each { | value |
        #pp "value : #{value}"
        case value
          when Hash, Array
            node = recurse( node, value )
          else
            node.content = value
        end # case value
      }

    else
      fail "Unhandeled class: #{collection.class}"
  end # case collection

  return parent

end

#to_xml ⇒ Object 



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# File 'lib/hash_to_xml.rb', line 6

def to_xml
  #pp "self : #{self}"
  @to_xml_doc = ::Nokogiri::XML( '<root />' )

  def recurse( parent, collection )
    #pp '-' * 80
    #pp "parent : #{parent.to_xml}"
    case collection

      when Hash
        collection.each_pair { | key, value |
          #pp "key   : #{key}"
          #pp "value : #{value}"
          node = Nokogiri::XML::Node.new key, @to_xml_doc
          case value
            when Hash, Array
              node = recurse( node, value )
            else
              node.content = value
          end # case value
          parent << node
        }

      when Array
        node = parent
        collection.each { | value |
          #pp "value : #{value}"
          case value
            when Hash, Array
              node = recurse( node, value )
            else
              node.content = value
          end # case value
        }

      else
        fail "Unhandeled class: #{collection.class}"
    end # case collection

    return parent

  end # def recurse

  recurse( @to_xml_doc.root, self )
  return @to_xml_doc.to_xml
end