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