Sha256: 48bca3b1b543c0b00157e4c143c43ba6565535407190f4da43b61fdddcb84ac5
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Size: 1.44 KB
Versions: 10
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Stored size: 1.44 KB
Contents
class Date
def self.gregorian_leap?(year)
if year % 400 == 0
true
elsif year % 100 == 0 then
false
elsif year % 4 == 0 then
true
else
false
end
end
def initialize(year = nil, month = nil, day = nil)
if year && month && day
@value = Time.utc(year, month, day)
else
@value = Time.now
end
end
def self.today
new
end
def to_s
"#{year}-#{month}-#{day}"
end
def ==(other)
year == other.year &&
month == other.month &&
day == other.day
end
def +(other)
val = @value + other * 3600 * 24
Date.new(val.year, val.month, val.day)
end
def -(other)
if other.is_a?(Date)
(@value - other.instance_variable_get(:@value)) / (3600 * 24)
elsif other.is_a?(Time)
(@value - other)
else
self + (-other)
end
end
def >>(months)
new_year = year + (self.month + months - 1) / 12
new_month = (self.month + months) % 12
new_month = new_month == 0 ? 12 : new_month
new_day = [day, Time.days_in_month(new_month, new_year)].min
Date.new(new_year, new_month, new_day)
end
def <<(months)
return self >> -months
end
[:year, :month, :day, :wday, :<, :<=, :>, :>=, :"<=>", :strftime].each do |method|
define_method method do |*args|
@value.send(method, *args)
end
end
def to_date
self
end
def to_time
@value
end
def succ
self + 1
end
end
Version data entries
10 entries across 10 versions & 2 rubygems