diff options
Diffstat (limited to 'lib/json/add/date_time.rb')
-rw-r--r-- | lib/json/add/date_time.rb | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/lib/json/add/date_time.rb b/lib/json/add/date_time.rb new file mode 100644 index 0000000..5ea42ea --- /dev/null +++ b/lib/json/add/date_time.rb @@ -0,0 +1,50 @@ +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 <tt>y</tt>, month <tt>m</tt>, + # day <tt>d</tt>, hour <tt>H</tt>, minute <tt>M</tt>, second <tt>S</tt>, + # offset <tt>of</tt> and Day of Calendar Reform <tt>sg</tt> 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 <tt>y</tt>, month <tt>m</tt>, + # day <tt>d</tt>, hour <tt>H</tt>, minute <tt>M</tt>, second <tt>S</tt>, + # offset <tt>of</tt> and Day of Calendar Reform <tt>sg</tt> as JSON string + def to_json(*args) + as_json.to_json(*args) + end +end + + |