class Aws::Xml::Parser::LibxmlEngine

def initialize(stack)
  @stack = stack
end

def on_characters(chars)
  @stack.text(chars)
end

def on_end_element_ns(*ignored)
  @stack.end_element
end

def on_error(msg)
  @stack.error(msg)
end

def on_start_element_ns(element_name, attributes, *ignored)
  @stack.start_element(element_name)
  attributes.each do |attr_name, attr_value|
    @stack.attr(attr_name, attr_value)
  end
end

def parse(xml)
  parser = ::LibXML::XML::SaxParser.string(xml)
  parser.callbacks = self
  parser.parse
end