def scope(*args)
options = args.extract_options!
options = options.dup
if name_prefix = options.delete(:name_prefix)
options[:as] ||= name_prefix
ActiveSupport::Deprecation.warn ":name_prefix was deprecated in the new router syntax. Use :as instead.", caller
end
options[:path] = args.first if args.first.is_a?(String)
recover = {}
options[:constraints] ||= {}
unless options[:constraints].is_a?(Hash)
block, options[:constraints] = options[:constraints], {}
end
scope_options.each do |option|
if value = options.delete(option)
recover[option] = @scope[option]
@scope[option] = send("merge_#{option}_scope", @scope[option], value)
end
end
recover[:block] = @scope[:blocks]
@scope[:blocks] = merge_blocks_scope(@scope[:blocks], block)
recover[:options] = @scope[:options]
@scope[:options] = merge_options_scope(@scope[:options], options)
yield
self
ensure
scope_options.each do |option|
@scope[option] = recover[option] if recover.has_key?(option)
end
@scope[:options] = recover[:options]
@scope[:blocks] = recover[:block]
end