57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
|
# File 'lib/chronik.rb', line 57
def self.construct(year, month = 1, day = 1, hour = 0, minute = 0, second = 0)
if second >= 60
minute += second / 60
second = second % 60
end
if minute >= 60
hour += minute / 60
minute = minute % 60
end
if hour >= 24
day += hour / 24
hour = hour % 24
end
day <= 56 || raise("day must be no more than 56 (makes month resolution easier)")
if day > 28
leap_year = (year % 4 == 0) && !(year % 100 == 0)
leap_year_month_days = [31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31]
common_year_month_days = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31]
days_this_month = leap_year ? leap_year_month_days[month - 1] : common_year_month_days[month - 1]
if day > days_this_month
month += day / days_this_month
day = day % days_this_month
end
end
if month > 12
if month % 12 == 0
year += (month - 12) / 12
month = 12
else
year += month / 12
month = month % 12
end
end
Chronik.time_class.local(year, month, day, hour, minute, second)
end
|