{{ message }}
Repository navigation
Expand file tree
/
Copy pathDateTime.lua
More file actions
649 lines (614 loc) · 18.8 KB
/
Copy pathDateTime.lua
File metadata and controls
649 lines (614 loc) · 18.8 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
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
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
--[[
Copyright 2017 YANG Huan (sy.yanghuan@gmail.com).
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
--]]
local System = System
local throw = System.throw
local div = System.div
local trunc = System.trunc
local TimeSpan = System.TimeSpan
local compare = TimeSpan.Compare
local ArgumentOutOfRangeException = System.ArgumentOutOfRangeException
local ArgumentException = System.ArgumentException
local ArgumentNullException = System.ArgumentNullException
local FormatException = System.FormatException
local assert = assert
local getmetatable = getmetatable
local select = select
local sformat = string.format
local sfind = string.find
local os = os
local ostime = os.time
local osdifftime = os.difftime
local osdate = os.date
local tonumber = tonumber
local math = math
local floor = math.floor
local log10 = math.log10
local modf = math.modf
--http://referencesource.microsoft.com/#mscorlib/system/datetime.cs
local DateTime
local minValue
local daysToMonth365 = { 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365 }
local daysToMonth366 = { 0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335, 366 }
local function isLeapYear(year)
if year < 1 or year > 9999 then
throw(ArgumentOutOfRangeException("year", "ArgumentOutOfRange_Year"))
end
return year % 4 == 0 and (year % 100 ~= 0 or year % 400 == 0)
end
local function dateToTicks(year, month, day)
if year >= 1 and year <= 9999 and month >= 1 and month <= 12 then
local days = isLeapYear(year) and daysToMonth366 or daysToMonth365
if day >= 1 and day <= days[month + 1] - days[month] then
local y = year - 1
local n = y * 365 + div(y, 4) - div(y, 100) + div(y, 400) + days[month] + day - 1
return n * 864000000000
end
end
end
local function timeToTicks(hour, minute, second)
if hour >= 0 and hour < 24 and minute >= 0 and minute < 60 and second >=0 and second < 60 then
return (((hour * 60 + minute) * 60) + second) * 10000000
end
throw(ArgumentOutOfRangeException("ArgumentOutOfRange_BadHourMinuteSecond"))
end
local function checkTicks(ticks)
if ticks < 0 or ticks > 3155378975999999999 then
throw(ArgumentOutOfRangeException("ticks", "ArgumentOutOfRange_DateTimeBadTicks"))
end
end
local function checkKind(kind)
if kind and (kind < 0 or kind > 2) then
throw(ArgumentOutOfRangeException("kind"))
end
end
local function addTicks(this, value)
return DateTime(this.ticks + value, this.kind)
end
local function addTimeSpan(this, ts)
return addTicks(this, ts.ticks)
end
local function add(this, value, scale)
local millis = trunc(value * scale + (value >= 0 and 0.5 or -0.5))
return addTicks(this, millis * 10000)
end
local function subtract(this, v)
if getmetatable(v) == DateTime then
return TimeSpan(this.ticks - v.ticks)
end
return DateTime(this.ticks - v.ticks, this.kind)
end
local function getDataPart(ticks, part)
local n = div(ticks, 864000000000)
local y400 = div(n, 146097)
n = n - y400 * 146097
local y100 = div(n, 36524)
if y100 == 4 then y100 = 3 end
n = n - y100 * 36524
local y4 = div(n, 1461)
n = n - y4 * 1461;
local y1 = div(n, 365)
if y1 == 4 then y1 = 3 end
if part == 0 then
return y400 * 400 + y100 * 100 + y4 * 4 + y1 + 1
end
n = n - y1 * 365
if part == 1 then return n + 1 end
local leapYear = y1 == 3 and (y4 ~= 24 or y100 == 3)
local days = leapYear and daysToMonth366 or daysToMonth365
local m = div(n, 32) + 1
while n >= days[m + 1] do m = m + 1 end
if part == 2 then return m end
return n - days[m] + 1
end
local function getDatePart(ticks)
local year, month, day
local n = div(ticks, 864000000000)
local y400 = div(n, 146097)
n = n - y400 * 146097
local y100 = div(n, 36524)
if y100 == 4 then y100 = 3 end
n = n - y100 * 36524
local y4 = div(n, 1461)
n = n - y4 * 1461
local y1 = div(n, 365)
if y1 == 4 then y1 = 3 end
year = y400 * 400 + y100 * 100 + y4 * 4 + y1 + 1
n = n - y1 * 365
local leapYear = y1 == 3 and (y4 ~= 24 or y100 == 3)
local days = leapYear and daysToMonth366 or daysToMonth365
local m = div(n, 32) + 1
while n >= days[m + 1] do m = m + 1 end
month = m
day = n - days[m] + 1
return year, month, day
end
local function daysInMonth(year, month)
if month < 1 or month > 12 then
throw(ArgumentOutOfRangeException("month"))
end
local days = isLeapYear(year) and daysToMonth366 or daysToMonth365
return days[month + 1] - days[month]
end
local function addMonths(this, months)
if months < -120000 or months > 12000 then
throw(ArgumentOutOfRangeException("months"))
end
local ticks = this.ticks
local y, m, d = getDatePart(ticks)
local i = m - 1 + months
if i >= 0 then
m = i % 12 + 1
y = y + div(i, 12)
else
m = 12 + (i + 1) % -12
y = y + div(i - 11, 12)
end
if y < 1 or y > 9999 then
throw(ArgumentOutOfRangeException("months"))
end
local days = daysInMonth(y, m)
if d > days then d = days end
return DateTime(dateToTicks(y, m, d) + ticks % 864000000000, this.kind)
end
local function getTimeZone()
local date = osdate("*t")
local dst = date.isdst
local now = ostime(date)
return osdifftime(now, ostime(osdate("!*t", now))) * 10000000, dst and 3600 * 10000000 or 0
end
local timeZoneTicks, dstTicks = getTimeZone()
local baseUtcOffset = TimeSpan(timeZoneTicks)
local time = System.config.time or ostime
System.time = time
System.currentTimeMillis = function () return trunc(time() * 1000) end
local function now()
local seconds = time()
local ticks = seconds * 10000000 + timeZoneTicks + dstTicks + 621355968000000000
return DateTime(ticks, 2)
end
local function parse(s)
if s == nil then
return nil, 1
end
local i, j, year, month, day, hour, minute, second, milliseconds
i, j, year, month, day = sfind(s, "^%s*(%d+)%s*/%s*(%d+)%s*/%s*(%d+)%s*")
if i == nil then
return nil, 2
else
year, month, day = tonumber(year), tonumber(month), tonumber(day)
end
if j < #s then
i, j, hour, minute = sfind(s, "^(%d+)%s*:%s*(%d+)", j + 1)
if i == nil then
return nil, 2
else
hour, minute = tonumber(hour), tonumber(minute)
end
local next = j + 1
i, j, second = sfind(s, "^:%s*(%d+)", next)
if i == nil then
if sfind(s, "^%s*$", next) == nil then
return nil, 2
else
second = 0
milliseconds = 0
end
else
second = tonumber(second)
next = j + 1
i, j, milliseconds = sfind(s, "^%.(%d+)%s*$", next)
if i == nil then
if sfind(s, "^%s*$", next) == nil then
return nil, 2
else
milliseconds = 0
end
else
milliseconds = tonumber(milliseconds)
local n = floor(log10(milliseconds) + 1)
if n > 3 then
if n <= 7 then
milliseconds = milliseconds / (10 ^ (n - 3))
else
local ticks = milliseconds / (10 ^ (n - 7))
local _, decimal = modf(ticks)
if decimal > 0.5 then
ticks = ticks + 1
end
milliseconds = floor(ticks) / 10000
end
end
end
end
end
if hour == nil then
return DateTime(year, month, day)
end
return DateTime(year, month, day, hour, minute, second, milliseconds)
end
local abbreviatedDayNames = { "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" }
local dayNames = { "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday" }
local abbreviatedMonthNames = { "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" }
local monthNames = { "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December" }
local realFormats = {
["d"] = "MM/dd/yyyy",
["D"] = "dddd, dd MMMM yyyy",
["f"] = "dddd, dd MMMM yyyy HH:mm",
["F"] = "dddd, dd MMMM yyyy HH:mm:ss",
["g"] = "MM/dd/yyyy HH:mm",
["G"] = "MM/dd/yyyy HH:mm:ss",
["m"] = "MMMM dd",
["M"] = "MMMM dd",
["o"] = "yyyy-MM-ddTHH:mm:ss.fffffffK",
["O"] = "yyyy-MM-ddTHH:mm:ss.fffffffK",
["r"] = "ddd, dd MMM yyyy HH:mm:ss GMT",
["R"] = "ddd, dd MMM yyyy HH:mm:ss GMT",
["s"] = "yyyy-MM-ddTHH:mm:ss",
["t"] = "HH:mm",
["T"] = "HH:mm:ss",
["u"] = "yyyy-MM-dd HH:mm:ssZ",
["U"] = "dddd, dd MMMM yyyy HH:mm:ss",
["y"] = "yyyy MMMM",
["Y"] = "yyyy MMMM"
}
local function parseRepeatPattern(format, n, pos, ch)
local index = pos + 1
while index <= n and format:byte(index) == ch do
index = index + 1
end
return index - pos
end
local function throwFormatInvalidException()
throw(FormatException("Input string was not in a correct format."))
end
local function formatCustomized(this, format, n)
local t, i, tokenLen, hour12 = {}, 1
while i <= n do
local ch = format:byte(i)
if ch == 104 then
tokenLen = parseRepeatPattern(format, n, i, ch)
hour12 = this:getHour() % 12
if hour12 == 0 then hour12 = 12 end
t[#t + 1] = sformat("%02d", hour12)
elseif ch == 72 then
tokenLen = parseRepeatPattern(format, n, i, ch)
t[#t + 1] = sformat("%02d", this:getHour())
elseif ch == 109 then
tokenLen = parseRepeatPattern(format, n, i, ch)
t[#t + 1] = sformat("%02d", this:getMinute())
elseif ch == 115 then
tokenLen = parseRepeatPattern(format, n, i, ch)
t[#t + 1] = sformat("%02d", this:getSecond())
elseif ch == 102 or ch == 70 then
tokenLen = parseRepeatPattern(format, n, i, ch)
if tokenLen <= 7 then
local fraction = this.ticks % 10000000
fraction = div(fraction, 10 ^ (7 - tokenLen))
if ch == 102 then
t[#t + 1] = sformat("%0" .. tokenLen .. 'd', fraction)
else
local effectiveDigits = tokenLen
while effectiveDigits > 0 do
if fraction % 10 == 0 then
fraction = div(fraction, 10)
effectiveDigits = effectiveDigits - 1
else
break
end
end
if effectiveDigits > 0 then
t[#t + 1] = sformat("%0" .. effectiveDigits .. 'd', fraction)
end
end
else
throwFormatInvalidException()
end
elseif ch == 116 then
tokenLen = parseRepeatPattern(format, n, i, ch)
local hour = this:getHour()
if tokenLen == 1 then
t[#t + 1] = hour < 12 and "A" or "P"
else
t[#t + 1] = hour < 12 and "AM" or "PM"
end
elseif ch == 100 then
tokenLen = parseRepeatPattern(format, n, i, ch)
if tokenLen <= 2 then
local day = this:getDay()
t[#t + 1] = sformat("%0" .. tokenLen .. 'd', day)
else
local i = this:getDayOfWeek() + 1
t[#t + 1] = (tokenLen == 3 and abbreviatedDayNames or dayNames)[i]
end
elseif ch == 77 then
tokenLen = parseRepeatPattern(format, n, i, ch)
local month = this:getMonth()
if tokenLen <= 2 then
t[#t + 1] = sformat("%0" .. tokenLen .. 'd', month)
else
t[#t + 1] = (tokenLen == 3 and abbreviatedMonthNames or monthNames)[month]
end
elseif ch == 121 then
tokenLen = parseRepeatPattern(format, n, i, ch)
local year = this:getYear()
if tokenLen <= 2 then
year = year % 100
t[#t + 1] = tokenLen == 1 and year or sformat("%02d", year)
else
t[#t + 1] = sformat("%0" .. tokenLen .. 'd', year)
end
elseif ch == 122 then
tokenLen = parseRepeatPattern(format, n, i, ch)
local offset = this.kind == 1 and TimeSpan.Zero or baseUtcOffset
local sign
if offset.ticks >= 0 then
sign = "+"
else
sign = "-"
offset = offset:Negate()
end
local hour = offset:getHours()
if tokenLen <= 1 then
t[#t + 1] = sformat("%s%d", sign, hour)
elseif tokenLen < 3 then
t[#t + 1] = sformat("%s%02d", sign, hour)
else
t[#t + 1] = sformat("%s%02d:%02d", sign, hour, offset:getMinutes())
end
elseif ch == 75 then
tokenLen = 1
if this.kind == 2 then
local offset = baseUtcOffset
local sign
if offset.ticks >= 0 then
sign = "+"
else
sign = "-"
offset = offset:Negate()
end
t[#t + 1] = sformat("%s%02d:%02d", sign, offset:getHours(), offset:getMinutes())
elseif this.kind == 1 then
t[#t + 1] = "Z"
end
elseif ch == 39 or ch == 34 then
local a, b, c = sfind(format, "^(.*)" .. string.char(ch), i + 1)
if not a then throwFormatInvalidException() end
t[#t + 1] = c
tokenLen = b - a + 2
elseif ch == 37 then
local nextChar = format:byte(i + 1)
if nextChar and nextChar ~= 37 then
t[#t + 1] = formatCustomized(this, string.char(nextChar), 1)
tokenLen = 2
else
throwFormatInvalidException()
end
elseif ch == 92 then
local nextChar = format:byte(i + 1)
if nextChar then
t[#t + 1] = string.char(nextChar)
tokenLen = 2
else
throwFormatInvalidException()
end
else
t[#t + 1] = string.char(ch)
tokenLen = 1
end
i = i + tokenLen
end
return table.concat(t)
end
local function toStringWithFormat(this, format)
local n = #format
if n == 1 then
format = realFormats[format]
if not format then throwFormatInvalidException() end
return formatCustomized(this, format, #format)
end
return formatCustomized(this, format, n)
end
DateTime = System.defStc("System.DateTime", {
ticks = 0,
kind = 0,
Compare = compare,
CompareTo = compare,
CompareToObj = function (this, t)
if t == nil then return 1 end
if getmetatable(t) ~= DateTime then
throw(ArgumentException("Arg_MustBeDateTime"))
end
return compare(this, t)
end,
Equals = function (t1, t2)
return t1.ticks == t2.ticks
end,
EqualsObj = function (this, t)
if getmetatable(t) == DateTime then
return this.ticks == t.ticks
end
return false
end,
GetHashCode = function (this)
return this.ticks
end,
IsLeapYear = isLeapYear,
__ctor__ = function (this, ...)
local len = select("#", ...)
if len == 0 then
elseif len == 1 then
local ticks = ...
checkTicks(ticks)
this.ticks = ticks
elseif len == 2 then
local ticks, kind = ...
checkTicks(ticks)
checkKind(kind)
this.ticks = ticks
this.kind = kind
elseif len == 3 then
this.ticks = dateToTicks(...)
elseif len == 6 then
local year, month, day, hour, minute, second = ...
this.ticks = dateToTicks(year, month, day) + timeToTicks(hour, minute, second)
elseif len == 7 then
local year, month, day, hour, minute, second, millisecond = ...
this.ticks = dateToTicks(year, month, day) + timeToTicks(hour, minute, second) + millisecond * 10000
elseif len == 8 then
local year, month, day, hour, minute, second, millisecond, kind = ...
checkKind(kind)
this.ticks = dateToTicks(year, month, day) + timeToTicks(hour, minute, second) + millisecond * 10000
this.kind = kind
else
assert(false)
end
end,
AddTicks = addTicks,
Add = addTimeSpan,
AddDays = function (this, days)
return add(this, days, 86400000)
end,
AddHours = function (this, hours)
return add(this, hours, 3600000)
end,
AddMinutes = function (this, minutes)
return add(this, minutes, 60000);
end,
AddSeconds = function (this, seconds)
return add(this, seconds, 1000)
end,
AddMilliseconds = function (this, milliseconds)
return add(this, milliseconds, 1)
end,
DaysInMonth = daysInMonth,
AddMonths = addMonths,
AddYears = function (this, years)
if years < - 10000 or years > 10000 then
throw(ArgumentOutOfRangeException("years"))
end
return addMonths(this, years * 12)
end,
SpecifyKind = function (this, kind)
return DateTime(this.ticks, kind)
end,
Subtract = subtract,
getDay = function (this)
return getDataPart(this.ticks, 3)
end,
getDate = function (this)
local ticks = this.ticks
return DateTime(ticks - ticks % 864000000000, this.kind)
end,
getDayOfWeek = function (this)
return (div(this.ticks, 864000000000) + 1) % 7
end,
getDayOfYear = function (this)
return getDataPart(this.ticks, 1)
end,
getKind = function (this)
return this.kind
end,
getHour = TimeSpan.getHours,
getMinute = TimeSpan.getMinutes,
getSecond = TimeSpan.getSeconds,
getMillisecond = TimeSpan.getMilliseconds,
getMonth = function (this)
return getDataPart(this.ticks, 2)
end,
getYear = function (this)
return getDataPart(this.ticks, 0)
end,
getTimeOfDay = function (this)
return TimeSpan(this.ticks % 864000000000)
end,
getTicks = function (this)
return this.ticks
end,
BaseUtcOffset = baseUtcOffset,
getUtcNow = function ()
local seconds = time()
local ticks = seconds * 10000000 + 621355968000000000
return DateTime(ticks, 1)
end,
getNow = now,
getToday = function ()
return now():getDate()
end,
ToLocalTime = function (this)
if this.kind == 2 then
return this
end
local ticks = this.ticks + timeZoneTicks + dstTicks
return DateTime(ticks, 2)
end,
ToUniversalTime = function (this)
if this.kind == 1 then
return this
end
local ticks = this.ticks - timeZoneTicks - dstTicks
return DateTime(ticks, 1)
end,
IsDaylightSavingTime = function(this)
return this.kind == 2 and dstTicks > 0
end,
ToString = function (this, format)
if format then
return toStringWithFormat(this, format)
end
local year, month, day = getDatePart(this.ticks)
return sformat("%d/%d/%d %02d:%02d:%02d", year, month, day, this:getHour(), this:getMinute(), this:getSecond())
end,
Parse = function (s)
local v, err = parse(s)
if v then
return v
end
if err == 1 then
throw(ArgumentNullException())
else
throw(FormatException())
end
end,
TryParse = function(s)
local v = parse(s)
if v then
return true, v
end
return false, minValue
end,
__add = addTimeSpan,
__sub = subtract,
__eq = TimeSpan.__eq,
__lt = TimeSpan.__lt,
__le = TimeSpan.__le,
base = function(_, T)
return { System.IComparable, System.IComparable_1(T), System.IConvertible, System.IEquatable_1(T), System.IFormattable }
end,
default = function ()
return minValue
end,
MinValue = false,
MaxValue = false
})
minValue = DateTime(0)
DateTime.MinValue = minValue
DateTime.MaxValue = DateTime(3155378975999999999)
System.defEnum("System.DayOfWeek", {
Sunday = 0,
Monday = 1,
Tuesday = 2,
Wednesday = 3,
Thursday = 4,
Friday = 5,
Saturday = 6
})
You can’t perform that action at this time.