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ruby--ruby/timev.rb
2021-05-08 11:40:20 +09:00

95 lines
3.7 KiB
Ruby

class Time
# Creates a new \Time object from the current system time.
# This is the same as Time.new without arguments.
#
# Time.now # => 2009-06-24 12:39:54 +0900
# Time.now(in: '+04:00') # => 2021-04-30 01:56:44 +0400
#
# Parameter:
# :include: doc/time/in.rdoc
def self.now(in: nil)
new(in: __builtin.arg!(:in))
end
# _Time_
#
# This form accepts a \Time object +time+
# and optional keyword argument +in+:
#
# Time.at(Time.new) # => 2021-04-26 08:52:31.6023486 -0500
# Time.at(Time.new, in: '+09:00') # => 2021-04-26 22:52:32.1480341 +0900
#
# _Seconds_
#
# This form accepts a numeric number of seconds +sec+
# and optional keyword argument +in+:
#
# Time.at(946702800) # => 1999-12-31 23:00:00 -0600
# Time.at(946702800, in: '+09:00') # => 2000-01-01 14:00:00 +0900
#
# <em>Seconds with Subseconds and Units</em>
#
# This form accepts an integer number of seconds +sec_i+,
# a numeric number of milliseconds +msec+,
# a symbol argument for the subsecond unit type (defaulting to :usec),
# and an optional keyword argument +in+:
#
# Time.at(946702800, 500, :millisecond) # => 1999-12-31 23:00:00.5 -0600
# Time.at(946702800, 500, :millisecond, in: '+09:00') # => 2000-01-01 14:00:00.5 +0900
# Time.at(946702800, 500000) # => 1999-12-31 23:00:00.5 -0600
# Time.at(946702800, 500000, :usec) # => 1999-12-31 23:00:00.5 -0600
# Time.at(946702800, 500000, :microsecond) # => 1999-12-31 23:00:00.5 -0600
# Time.at(946702800, 500000, in: '+09:00') # => 2000-01-01 14:00:00.5 +0900
# Time.at(946702800, 500000, :usec, in: '+09:00') # => 2000-01-01 14:00:00.5 +0900
# Time.at(946702800, 500000, :microsecond, in: '+09:00') # => 2000-01-01 14:00:00.5 +0900
# Time.at(946702800, 500000000, :nsec) # => 1999-12-31 23:00:00.5 -0600
# Time.at(946702800, 500000000, :nanosecond) # => 1999-12-31 23:00:00.5 -0600
# Time.at(946702800, 500000000, :nsec, in: '+09:00') # => 2000-01-01 14:00:00.5 +0900
# Time.at(946702800, 500000000, :nanosecond, in: '+09:00') # => 2000-01-01 14:00:00.5 +0900
#
# Parameters:
# :include: doc/time/sec_i.rdoc
# :include: doc/time/msec.rdoc
# :include: doc/time/usec.rdoc
# :include: doc/time/nsec.rdoc
# :include: doc/time/in.rdoc
#
def self.at(time, subsec = (nosubsec = true), unit = (nounit = true), in: nil)
__builtin.time_s_at(time, subsec, unit, __builtin.arg!(:in), nosubsec, nounit)
end
# Returns a new \Time object based the on given arguments.
#
# With no positional arguments, returns the value of Time.now:
#
# Time.new # => 2021-04-24 17:27:46.0512465 -0500
#
# Otherwise, returns a new \Time object based on the given parameters:
#
# Time.new(2000) # => 2000-01-01 00:00:00 -0600
# Time.new(2000, 12, 31, 23, 59, 59.5) # => 2000-12-31 23:59:59.5 -0600
# Time.new(2000, 12, 31, 23, 59, 59.5, '+09:00') # => 2000-12-31 23:59:59.5 +0900
#
# Parameters:
#
# :include: doc/time/year.rdoc
# :include: doc/time/mon-min.rdoc
# :include: doc/time/sec.rdoc
# :include: doc/time/zone_and_in.rdoc
#
def initialize(year = (now = true), mon = nil, mday = nil, hour = nil, min = nil, sec = nil, zone = nil, in: nil)
if zone
if __builtin.arg!(:in)
raise ArgumentError, "timezone argument given as positional and keyword arguments"
end
else
zone = __builtin.arg!(:in)
end
if now
return __builtin.time_init_now(zone)
end
__builtin.time_init_args(year, mon, mday, hour, min, sec, zone)
end
end