# File lib/multi_json/convertible_hash_keys.rb, line 17 def prepare_object(object, &key_modifier) return object unless block_given? case object when Array object.map do |value| prepare_object(value, &key_modifier) end when Hash object.inject({}) do |result, (key, value)| new_key = key_modifier.call(key) new_value = prepare_object(value, &key_modifier) result.merge! new_key => new_value end when String, Numeric, true, false, nil object else if object.respond_to?(:to_json) object elsif object.respond_to?(:to_s) object.to_s else object end end end
# File lib/multi_json/convertible_hash_keys.rb, line 11 def stringify_keys(object) prepare_object(object) do |key| key.respond_to?(:to_s) ? key.to_s : key end end
# File lib/multi_json/convertible_hash_keys.rb, line 5 def symbolize_keys(object) prepare_object(object) do |key| key.respond_to?(:to_sym) ? key.to_sym : key end end