class RDoc::Parser::Ruby

def get_visibility_information tk, single # :nodoc:
  vis_type  = tk[:text]
  singleton = single == SINGLE
  vis =
    case vis_type
    when 'private'   then :private
    when 'protected' then :protected
    when 'public'    then :public
    when 'private_class_method' then
      singleton = true
      :private
    when 'public_class_method' then
      singleton = true
      :public
    when 'module_function' then
      singleton = true
      :public
    else
      raise RDoc::Error, "Invalid visibility: #{tk.name}"
    end
  return vis_type, vis, singleton
end