class ActionDispatch::Routing::RouteSet

def add_localized_route(mapping, name, anchor, scope, path, controller, default_action, to, via, formatted, options_constraints, options)
  route = RouteTranslator::Route.new(self, path, name, options_constraints, options, mapping)
  RouteTranslator::Translator.translations_for(route) do |locale, translated_name, translated_path, translated_options_constraints, translated_options|
    translated_path_ast = ::ActionDispatch::Journey::Parser.parse(translated_path)
    translated_mapping  = translate_mapping(locale, self, translated_options, translated_path_ast, scope, controller, default_action, to, formatted, via, translated_options_constraints, anchor)
    add_route translated_mapping, translated_name
  end
  if RouteTranslator.config.generate_unnamed_unlocalized_routes
    add_route mapping, nil
  elsif RouteTranslator.config.generate_unlocalized_routes
    add_route mapping, name
  end
end

def translate_mapping(locale, route_set, translated_options, translated_path_ast, scope, controller, default_action, to, formatted, via, translated_options_constraints, anchor)
  scope_params = {
    blocks:      (scope[:blocks] || []).dup,
    constraints: scope[:constraints] || {},
    defaults:    scope[:defaults] || {},
    module:      scope[:module],
    options:     scope[:options] ? scope[:options].merge(translated_options) : translated_options
  }
  if RouteTranslator.config.host_locales.present?
    scope_params[:blocks].push RouteTranslator::Host.lambdas_for_locale(locale)
  end
  ::ActionDispatch::Routing::Mapper::Mapping.build scope_params, route_set, translated_path_ast, controller, default_action, to, via, formatted, translated_options_constraints, anchor, translated_options
end