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require 'date'
module Icalendar
module Values
class Date < Value
FORMAT = '%Y%m%d'
def initialize(value, params = {})
params.delete 'tzid'
params.delete 'x-tz-info'
if value.is_a? String
begin
parsed_date = ::Date.strptime(value, FORMAT)
rescue ArgumentError => e
raise FormatError.new("Failed to parse \"#{value}\" - #{e.message}")
end
super parsed_date, params
elsif value.respond_to? :to_date
super value.to_date, params
else
super
end
end
def value_ical
value.strftime FORMAT
end
def <=>(other)
if other.is_a?(Icalendar::Values::Date) || other.is_a?(Icalendar::Values::DateTime)
value_ical <=> other.value_ical
else
nil
end
end
class FormatError < ArgumentError
end
end
end
end
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