class Rage::Router::ParentNode

def create_static_child(path)
  if path.length == 0
    return self
  end
  static_child = @static_children[path[0]]
  if static_child
    i = 1
    while i < static_child.prefix.length
      if path[i] != static_child.prefix[i]
        static_child = static_child.split(self, i)
        break
      end
      i += 1
    end
    return static_child.create_static_child(path[i, path.length - i])
  end
  @static_children[path[0]] = StaticNode.new(path)
end

def find_static_matching_child(path, path_index)
  static_child = @static_children[path[path_index]]
  if !static_child || !static_child.match_prefix.call(path, path_index)
    return nil
  end
  static_child
end

def initialize
  super
  @static_children = {}
end