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Contents
module GreenButtonData
module Dst
# From ESPI XML schema:
# [extension] Bit map encoded rule from which is calculated the start or
# end time, within the current year, to which daylight savings time offset
# must be applied.
#
# The rule encoding:
# Bits 0 - 11: seconds 0 - 3599
# Bits 12 - 16: hours 0 - 23
# Bits 17 - 19: day of the week 0 = not applicable, 1 - 7 (Monday = 1)
# Bits:20 - 24: day of the month 0 = not applicable, 1 - 31
# Bits: 25 - 27: operator (detailed below)
# Bits: 28 - 31: month 1 - 12
#
# Rule value of 0xFFFFFFFF means rule processing/DST correction is disabled.
#
# The operators:
#
# 0: DST starts/ends on the Day of the Month
# 1: DST starts/ends on the Day of the Week that is on or after the Day of the Month
# 2: DST starts/ends on the first occurrence of the Day of the Week in a month
# 3: DST starts/ends on the second occurrence of the Day of the Week in a month
# 4: DST starts/ends on the third occurrence of the Day of the Week in a month
# 5: DST starts/ends on the forth occurrence of the Day of the Week in a month
# 6: DST starts/ends on the fifth occurrence of the Day of the Week in a month
# 7: DST starts/ends on the last occurrence of the Day of the Week in a month
#
# An example: DST starts on third Friday in March at 1:45 AM. The rule...
# Seconds: 2700
# Hours: 1
# Day of Week: 5
# Day of Month: 0
# Operator: 4
# Month: 3
BITMASK_SECOND = 0x00000fff
BITMASK_HOUR = 0x0001f000
BITMASK_DAY_OF_WEEK = 0x000e0000
BITMASK_DAY_OF_MONTH = 0x01f00000
BITMASK_DST_RULE = 0x0e000000
BITMASK_MONTH = 0xf0000000
BITSHIFT_HOUR = 12
BITSHIFT_DAY_OF_WEEK = 17
BITSHIFT_DAY_OF_MONTH = 20
BITSHIFT_DST_RULE = 25
BITSHIFT_MONTH = 28
end
end
Version data entries
5 entries across 5 versions & 1 rubygems