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require 'virtus'
module Scale
module Node
include Enumerable
include Virtus.module
attr_reader :content
def children
@children ||= []
end
def add(node)
children.push(node)
end
def each
children.each do |child|
yield child
end
end
def to_xml
builder = Nokogiri::XML::Builder.new do |xml|
append_to(xml)
end
builder.to_xml
end
def append_to(builder)
builder.send(xml_tag.to_sym, *xml_parameters) do
each do |node|
node.append_to(builder)
end
end
end
def xml_attributes
attributes.delete_if { |key, value| value.nil? }
end
private
def xml_parameters
return [xml_attributes] if content.nil?
[content, xml_attributes]
end
end
end
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