unless defined?(::JSON::JSON_LOADED) and ::JSON::JSON_LOADED require 'json' end require 'date' # DateTime serialization/deserialization class DateTime # Deserializes JSON string by converting year y, month m, # day d, hour H, minute M, second S, # offset of and Day of Calendar Reform sg to DateTime. def self.json_create(object) args = object.values_at('y', 'm', 'd', 'H', 'M', 'S') of_a, of_b = object['of'].split('/') if of_b and of_b != '0' args << Rational(of_a.to_i, of_b.to_i) else args << of_a end args << object['sg'] civil(*args) end alias start sg unless method_defined?(:start) # Returns a hash, that will be turned into a JSON object and represent this # object. def as_json(*) { JSON.create_id => self.class.name, 'y' => year, 'm' => month, 'd' => day, 'H' => hour, 'M' => min, 'S' => sec, 'of' => offset.to_s, 'sg' => start, } end # Stores class name (DateTime) with Julian year y, month m, # day d, hour H, minute M, second S, # offset of and Day of Calendar Reform sg as JSON string def to_json(*args) as_json.to_json(*args) end end