class Troy::XML

def context
  @context ||= Context.new(data.merge(xml: xml)).extend(Helpers)
end

def initialize(content, data)
  @content = content
  @data = data
end

def to_xml
  @to_xml ||= begin
    xml.instruct!
    context.instance_eval(content)
    xml.target!
  end
end

def xml
  @xml ||= Builder::XmlMarkup.new(indent: 2)
end