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require 'ostruct'
module Icalendar
module Values
class UtcOffset < Value
def initialize(value, params = {})
if value.is_a? Icalendar::Values::UtcOffset
value = value.value
else
value = OpenStruct.new parse_fields(value)
end
super value, params
end
def behind?
return false if zero_offset?
value.behind
end
def value_ical
"#{behind? ? '-' : '+'}#{'%02d' % hours}#{'%02d' % minutes}#{'%02d' % seconds if seconds > 0}"
end
def to_s
str = "#{behind? ? '-' : '+'}#{'%02d' % hours}:#{'%02d' % minutes}"
if seconds > 0
"#{str}:#{'%02d' % seconds}"
else
str
end
end
private
def zero_offset?
hours == 0 && minutes == 0 && seconds == 0
end
def parse_fields(value)
md = /\A(?<behind>[+-])(?<hours>\d{2})(?<minutes>\d{2})(?<seconds>\d{2})?\z/.match value.gsub(/\s+/, '')
{
behind: (md[:behind] == '-'),
hours: md[:hours].to_i,
minutes: md[:minutes].to_i,
seconds: md[:seconds].to_i
}
end
end
end
end
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