diff options
Diffstat (limited to 'src/Ryujinx.HLE/HOS/Services/Time/TimeZone/TimeZone.cs')
| -rw-r--r-- | src/Ryujinx.HLE/HOS/Services/Time/TimeZone/TimeZone.cs | 253 |
1 files changed, 127 insertions, 126 deletions
diff --git a/src/Ryujinx.HLE/HOS/Services/Time/TimeZone/TimeZone.cs b/src/Ryujinx.HLE/HOS/Services/Time/TimeZone/TimeZone.cs index f7477e97..58ae1cd8 100644 --- a/src/Ryujinx.HLE/HOS/Services/Time/TimeZone/TimeZone.cs +++ b/src/Ryujinx.HLE/HOS/Services/Time/TimeZone/TimeZone.cs @@ -8,36 +8,34 @@ using System.IO; using System.Runtime.CompilerServices; using System.Runtime.InteropServices; using System.Text; - using static Ryujinx.HLE.HOS.Services.Time.TimeZone.TimeZoneRule; namespace Ryujinx.HLE.HOS.Services.Time.TimeZone { public class TimeZone { - private const int TimeTypeSize = 8; - private const int EpochYear = 1970; - private const int YearBase = 1900; - private const int EpochWeekDay = 4; + private const int TimeTypeSize = 8; + private const int EpochYear = 1970; + private const int YearBase = 1900; + private const int EpochWeekDay = 4; private const int SecondsPerMinute = 60; - private const int MinutesPerHour = 60; - private const int HoursPerDays = 24; - private const int DaysPerWekk = 7; - private const int DaysPerNYear = 365; - private const int DaysPerLYear = 366; - private const int MonthsPerYear = 12; - private const int SecondsPerHour = SecondsPerMinute * MinutesPerHour; - private const int SecondsPerDay = SecondsPerHour * HoursPerDays; - - private const int YearsPerRepeat = 400; + private const int MinutesPerHour = 60; + private const int HoursPerDays = 24; + private const int DaysPerWeek = 7; + private const int DaysPerNYear = 365; + private const int DaysPerLYear = 366; + private const int MonthsPerYear = 12; + private const int SecondsPerHour = SecondsPerMinute * MinutesPerHour; + private const int SecondsPerDay = SecondsPerHour * HoursPerDays; + + private const int YearsPerRepeat = 400; private const long AverageSecondsPerYear = 31556952; - private const long SecondsPerRepeat = YearsPerRepeat * AverageSecondsPerYear; + private const long SecondsPerRepeat = YearsPerRepeat * AverageSecondsPerYear; - private static readonly int[] YearLengths = { DaysPerNYear, DaysPerLYear }; - private static readonly int[][] MonthsLengths = new int[][] - { - new int[] { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 }, - new int[] { 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 } + private static readonly int[] _yearLengths = { DaysPerNYear, DaysPerLYear }; + private static readonly int[][] _monthsLengths = { + new[] { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 }, + new[] { 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 }, }; private static ReadOnlySpan<byte> TimeZoneDefaultRule => ",M4.1.0,M10.5.0"u8; @@ -46,14 +44,14 @@ namespace Ryujinx.HLE.HOS.Services.Time.TimeZone private struct CalendarTimeInternal { // NOTE: On the IPC side this is supposed to be a 16 bits value but internally this need to be a 64 bits value for ToPosixTime. - public long Year; + public long Year; public sbyte Month; public sbyte Day; public sbyte Hour; public sbyte Minute; public sbyte Second; - public int CompareTo(CalendarTimeInternal other) + public readonly int CompareTo(CalendarTimeInternal other) { if (Year != other.Year) { @@ -98,16 +96,16 @@ namespace Ryujinx.HLE.HOS.Services.Time.TimeZone { JulianDay, DayOfYear, - MonthNthDayOfWeek + MonthNthDayOfWeek, } private struct Rule { public RuleType Type; - public int Day; - public int Week; - public int Month; - public int TransitionTime; + public int Day; + public int Week; + public int Month; + public int TransitionTime; } private static int Detzcode32(ReadOnlySpan<byte> bytes) @@ -145,10 +143,10 @@ namespace Ryujinx.HLE.HOS.Services.Time.TimeZone TimeTypeInfo a = outRules.Ttis[aIndex]; TimeTypeInfo b = outRules.Ttis[bIndex]; - return a.GmtOffset == b.GmtOffset && - a.IsDaySavingTime == b.IsDaySavingTime && + return a.GmtOffset == b.GmtOffset && + a.IsDaySavingTime == b.IsDaySavingTime && a.IsStandardTimeDaylight == b.IsStandardTimeDaylight && - a.IsGMT == b.IsGMT && + a.IsGMT == b.IsGMT && StringUtils.CompareCStr(outRules.Chars[a.AbbreviationListIndex..], outRules.Chars[b.AbbreviationListIndex..]) == 0; } @@ -224,7 +222,7 @@ namespace Ryujinx.HLE.HOS.Services.Time.TimeZone seconds = 0; - bool isValid = GetNum(name, ref namePosition, out int num, 0, HoursPerDays * DaysPerWekk - 1); + bool isValid = GetNum(name, ref namePosition, out int num, 0, HoursPerDays * DaysPerWeek - 1); if (!isValid) { return false; @@ -310,7 +308,7 @@ namespace Ryujinx.HLE.HOS.Services.Time.TimeZone { rule = new Rule(); - bool isValid = false; + bool isValid; if (name[namePosition] == 'J') { @@ -347,7 +345,7 @@ namespace Ryujinx.HLE.HOS.Services.Time.TimeZone return false; } - isValid = GetNum(name, ref namePosition, out rule.Day, 0, DaysPerWekk - 1); + isValid = GetNum(name, ref namePosition, out rule.Day, 0, DaysPerWeek - 1); } else if (char.IsDigit((char)name[namePosition])) { @@ -391,7 +389,7 @@ namespace Ryujinx.HLE.HOS.Services.Time.TimeZone { outRules = new TimeZoneRule(); - int stdLen; + int stdLen; ReadOnlySpan<byte> stdName = name; int namePosition = 0; @@ -408,7 +406,7 @@ namespace Ryujinx.HLE.HOS.Services.Time.TimeZone { namePosition++; - stdName = name.Slice(namePosition); + stdName = name[namePosition..]; int stdNamePosition = namePosition; @@ -442,10 +440,10 @@ namespace Ryujinx.HLE.HOS.Services.Time.TimeZone } int charCount = stdLen + 1; - int destLen = 0; + int destLen = 0; int dstOffset = 0; - ReadOnlySpan<byte> destName = name.Slice(namePosition); + ReadOnlySpan<byte> destName = name[namePosition..]; if (TzCharsArraySize < charCount) { @@ -456,7 +454,7 @@ namespace Ryujinx.HLE.HOS.Services.Time.TimeZone { if (name[namePosition] == '<') { - destName = name.Slice(++namePosition); + destName = name[++namePosition..]; int destNamePosition = namePosition; namePosition = GetQZName(name.ToArray(), namePosition, '>'); @@ -471,9 +469,9 @@ namespace Ryujinx.HLE.HOS.Services.Time.TimeZone } else { - destName = name.Slice(namePosition); + destName = name[namePosition..]; namePosition = GetTZName(name, namePosition); - destLen = namePosition; + destLen = namePosition; } if (destLen == 0) @@ -511,8 +509,8 @@ namespace Ryujinx.HLE.HOS.Services.Time.TimeZone { namePosition++; - bool IsRuleValid = GetRule(name, ref namePosition, out Rule start); - if (!IsRuleValid) + bool isRuleValid = GetRule(name, ref namePosition, out Rule start); + if (!isRuleValid) { return false; } @@ -522,8 +520,8 @@ namespace Ryujinx.HLE.HOS.Services.Time.TimeZone return false; } - IsRuleValid = GetRule(name, ref namePosition, out Rule end); - if (!IsRuleValid) + isRuleValid = GetRule(name, ref namePosition, out Rule end); + if (!isRuleValid) { return false; } @@ -537,28 +535,28 @@ namespace Ryujinx.HLE.HOS.Services.Time.TimeZone outRules.Ttis[0] = new TimeTypeInfo { - GmtOffset = -dstOffset, - IsDaySavingTime = true, - AbbreviationListIndex = stdLen + 1 + GmtOffset = -dstOffset, + IsDaySavingTime = true, + AbbreviationListIndex = stdLen + 1, }; outRules.Ttis[1] = new TimeTypeInfo { - GmtOffset = -stdOffset, - IsDaySavingTime = false, - AbbreviationListIndex = 0 + GmtOffset = -stdOffset, + IsDaySavingTime = false, + AbbreviationListIndex = 0, }; outRules.DefaultType = 0; - int timeCount = 0; - long janFirst = 0; - int janOffset = 0; - int yearBegining = EpochYear; + int timeCount = 0; + long janFirst = 0; + int janOffset = 0; + int yearBegining = EpochYear; do { - int yearSeconds = YearLengths[IsLeap(yearBegining - 1)] * SecondsPerDay; + int yearSeconds = _yearLengths[IsLeap(yearBegining - 1)] * SecondsPerDay; yearBegining--; if (IncrementOverflow64(ref janFirst, -yearSeconds)) { @@ -573,17 +571,14 @@ namespace Ryujinx.HLE.HOS.Services.Time.TimeZone for (year = yearBegining; year < yearLimit; year++) { int startTime = TransitionTime(year, start, stdOffset); - int endTime = TransitionTime(year, end, dstOffset); + int endTime = TransitionTime(year, end, dstOffset); - int yearSeconds = YearLengths[IsLeap(year)] * SecondsPerDay; + int yearSeconds = _yearLengths[IsLeap(year)] * SecondsPerDay; bool isReversed = endTime < startTime; if (isReversed) { - int swap = startTime; - - startTime = endTime; - endTime = swap; + (endTime, startTime) = (startTime, endTime); } if (isReversed || (startTime < endTime && (endTime - startTime < (yearSeconds + (stdOffset - dstOffset))))) @@ -632,7 +627,7 @@ namespace Ryujinx.HLE.HOS.Services.Time.TimeZone } else if (YearsPerRepeat < year - yearBegining) { - outRules.GoBack = true; + outRules.GoBack = true; outRules.GoAhead = true; } } @@ -653,18 +648,22 @@ namespace Ryujinx.HLE.HOS.Services.Time.TimeZone } } - long theirDstOffset = 0; + long theirDstOffset; for (int i = 0; i < outRules.TimeCount; i++) { int j = outRules.Types[i]; if (outRules.Ttis[j].IsDaySavingTime) { +#pragma warning disable IDE0059 // Remove unnecessary value assignment theirDstOffset = -outRules.Ttis[j].GmtOffset; +#pragma warning restore IDE0059 } } bool isDaySavingTime = false; - long theirOffset = theirStdOffset; +#pragma warning disable IDE0059 // Remove unnecessary value assignment + long theirOffset = theirStdOffset; +#pragma warning restore IDE0059 for (int i = 0; i < outRules.TimeCount; i++) { int j = outRules.Types[i]; @@ -684,7 +683,9 @@ namespace Ryujinx.HLE.HOS.Services.Time.TimeZone theirOffset = -outRules.Ttis[j].GmtOffset; if (outRules.Ttis[j].IsDaySavingTime) { +#pragma warning disable IDE0059 // Remove unnecessary value assignment theirDstOffset = theirOffset; +#pragma warning restore IDE0059 } else { @@ -694,33 +695,33 @@ namespace Ryujinx.HLE.HOS.Services.Time.TimeZone outRules.Ttis[0] = new TimeTypeInfo { - GmtOffset = -stdOffset, - IsDaySavingTime = false, - AbbreviationListIndex = 0 + GmtOffset = -stdOffset, + IsDaySavingTime = false, + AbbreviationListIndex = 0, }; outRules.Ttis[1] = new TimeTypeInfo { - GmtOffset = -dstOffset, - IsDaySavingTime = true, - AbbreviationListIndex = stdLen + 1 + GmtOffset = -dstOffset, + IsDaySavingTime = true, + AbbreviationListIndex = stdLen + 1, }; - outRules.TypeCount = 2; + outRules.TypeCount = 2; outRules.DefaultType = 0; } } else { // default is perpetual standard time - outRules.TypeCount = 1; - outRules.TimeCount = 0; + outRules.TypeCount = 1; + outRules.TimeCount = 0; outRules.DefaultType = 0; - outRules.Ttis[0] = new TimeTypeInfo + outRules.Ttis[0] = new TimeTypeInfo { - GmtOffset = -stdOffset, - IsDaySavingTime = false, - AbbreviationListIndex = 0 + GmtOffset = -stdOffset, + IsDaySavingTime = false, + AbbreviationListIndex = 0, }; } @@ -770,7 +771,7 @@ namespace Ryujinx.HLE.HOS.Services.Time.TimeZone case RuleType.MonthNthDayOfWeek: // Here we use Zeller's Congruence to get the day of week of the first month. - int m1 = (rule.Month + 9) % 12 + 1; + int m1 = (rule.Month + 9) % 12 + 1; int yy0 = (rule.Month <= 2) ? (year - 1) : year; int yy1 = yy0 / 100; int yy2 = yy0 % 100; @@ -779,7 +780,7 @@ namespace Ryujinx.HLE.HOS.Services.Time.TimeZone if (dayOfWeek < 0) { - dayOfWeek += DaysPerWekk; + dayOfWeek += DaysPerWeek; } // Get the zero origin @@ -787,23 +788,23 @@ namespace Ryujinx.HLE.HOS.Services.Time.TimeZone if (d < 0) { - d += DaysPerWekk; + d += DaysPerWeek; } for (int i = 1; i < rule.Week; i++) { - if (d + DaysPerWekk >= MonthsLengths[leapYear][rule.Month - 1]) + if (d + DaysPerWeek >= _monthsLengths[leapYear][rule.Month - 1]) { break; } - d += DaysPerWekk; + d += DaysPerWeek; } value = d * SecondsPerDay; for (int i = 0; i < rule.Month - 1; i++) { - value += MonthsLengths[leapYear][i] * SecondsPerDay; + value += _monthsLengths[leapYear][i] * SecondsPerDay; } break; @@ -887,7 +888,7 @@ namespace Ryujinx.HLE.HOS.Services.Time.TimeZone { outRules = new TimeZoneRule(); - BinaryReader reader = new BinaryReader(inputData); + BinaryReader reader = new(inputData); long streamLength = reader.BaseStream.Length; @@ -902,10 +903,10 @@ namespace Ryujinx.HLE.HOS.Services.Time.TimeZone int ttisGMTCount = Detzcode32(header.TtisGMTCount); int ttisSTDCount = Detzcode32(header.TtisSTDCount); - int leapCount = Detzcode32(header.LeapCount); - int timeCount = Detzcode32(header.TimeCount); - int typeCount = Detzcode32(header.TypeCount); - int charCount = Detzcode32(header.CharCount); + int leapCount = Detzcode32(header.LeapCount); + int timeCount = Detzcode32(header.TimeCount); + int typeCount = Detzcode32(header.TypeCount); + int charCount = Detzcode32(header.CharCount); if (!(0 <= leapCount && leapCount < TzMaxLeaps @@ -1053,7 +1054,7 @@ namespace Ryujinx.HLE.HOS.Services.Time.TimeZone } long position = (workBuffer.Length - p.Length); - long nRead = streamLength - position; + long nRead = streamLength - position; if (nRead < 0) { @@ -1077,7 +1078,7 @@ namespace Ryujinx.HLE.HOS.Services.Time.TimeZone byte[] name = new byte[TzNameMax]; Array.Copy(tempName, 1, name, 0, nRead - 1); - Box<TimeZoneRule> tempRulesBox = new Box<TimeZoneRule>(); + Box<TimeZoneRule> tempRulesBox = new(); ref TimeZoneRule tempRules = ref tempRulesBox.Data; if (ParsePosixName(name, ref tempRulesBox.Data, false)) @@ -1247,17 +1248,17 @@ namespace Ryujinx.HLE.HOS.Services.Time.TimeZone private static ResultCode CreateCalendarTime(long time, int gmtOffset, out CalendarTimeInternal calendarTime, out CalendarAdditionalInfo calendarAdditionalInfo) { - long year = EpochYear; - long timeDays = time / SecondsPerDay; + long year = EpochYear; + long timeDays = time / SecondsPerDay; long remainingSeconds = time % SecondsPerDay; - calendarTime = new CalendarTimeInternal(); + calendarTime = new CalendarTimeInternal(); calendarAdditionalInfo = new CalendarAdditionalInfo(); - while (timeDays < 0 || timeDays >= YearLengths[IsLeap((int)year)]) + while (timeDays < 0 || timeDays >= _yearLengths[IsLeap((int)year)]) { long timeDelta = timeDays / DaysPerLYear; - long delta = timeDelta; + long delta = timeDelta; if (delta == 0) { @@ -1298,12 +1299,12 @@ namespace Ryujinx.HLE.HOS.Services.Time.TimeZone return ResultCode.OutOfRange; } - dayOfYear += YearLengths[IsLeap((int)year)]; + dayOfYear += _yearLengths[IsLeap((int)year)]; } - while (dayOfYear >= YearLengths[IsLeap((int)year)]) + while (dayOfYear >= _yearLengths[IsLeap((int)year)]) { - dayOfYear -= YearLengths[IsLeap((int)year)]; + dayOfYear -= _yearLengths[IsLeap((int)year)]; if (IncrementOverflow64(ref year, 1)) { @@ -1311,13 +1312,13 @@ namespace Ryujinx.HLE.HOS.Services.Time.TimeZone } } - calendarTime.Year = year; + calendarTime.Year = year; calendarAdditionalInfo.DayOfYear = (uint)dayOfYear; - long dayOfWeek = (EpochWeekDay + ((year - EpochYear) % DaysPerWekk) * (DaysPerNYear % DaysPerWekk) + GetLeapDays(year - 1) - GetLeapDays(EpochYear - 1) + dayOfYear) % DaysPerWekk; + long dayOfWeek = (EpochWeekDay + ((year - EpochYear) % DaysPerWeek) * (DaysPerNYear % DaysPerWeek) + GetLeapDays(year - 1) - GetLeapDays(EpochYear - 1) + dayOfYear) % DaysPerWeek; if (dayOfWeek < 0) { - dayOfWeek += DaysPerWekk; + dayOfWeek += DaysPerWeek; } calendarAdditionalInfo.DayOfWeek = (uint)dayOfWeek; @@ -1328,7 +1329,7 @@ namespace Ryujinx.HLE.HOS.Services.Time.TimeZone calendarTime.Minute = (sbyte)(remainingSeconds / SecondsPerMinute); calendarTime.Second = (sbyte)(remainingSeconds % SecondsPerMinute); - int[] ip = MonthsLengths[IsLeap((int)year)]; + int[] ip = _monthsLengths[IsLeap((int)year)]; for (calendarTime.Month = 0; dayOfYear >= ip[calendarTime.Month]; ++calendarTime.Month) { @@ -1338,14 +1339,14 @@ namespace Ryujinx.HLE.HOS.Services.Time.TimeZone calendarTime.Day = (sbyte)(dayOfYear + 1); calendarAdditionalInfo.IsDaySavingTime = false; - calendarAdditionalInfo.GmtOffset = gmtOffset; + calendarAdditionalInfo.GmtOffset = gmtOffset; return 0; } private static ResultCode ToCalendarTimeInternal(in TimeZoneRule rules, long time, out CalendarTimeInternal calendarTime, out CalendarAdditionalInfo calendarAdditionalInfo) { - calendarTime = new CalendarTimeInternal(); + calendarTime = new CalendarTimeInternal(); calendarAdditionalInfo = new CalendarAdditionalInfo(); ResultCode result; @@ -1368,7 +1369,7 @@ namespace Ryujinx.HLE.HOS.Services.Time.TimeZone seconds -= 1; - years = (seconds / SecondsPerRepeat + 1) * YearsPerRepeat; + years = (seconds / SecondsPerRepeat + 1) * YearsPerRepeat; seconds = years * AverageSecondsPerYear; if (time < rules.Ats[0]) @@ -1411,7 +1412,7 @@ namespace Ryujinx.HLE.HOS.Services.Time.TimeZone } else { - int low = 1; + int low = 1; int high = rules.TimeCount; while (low < high) @@ -1451,7 +1452,7 @@ namespace Ryujinx.HLE.HOS.Services.Time.TimeZone { posixTime = 0; - int hour = calendarTime.Hour; + int hour = calendarTime.Hour; int minute = calendarTime.Minute; if (NormalizeOverflow32(ref hour, ref minute, MinutesPerHour)) @@ -1467,10 +1468,10 @@ namespace Ryujinx.HLE.HOS.Services.Time.TimeZone return ResultCode.Overflow; } - calendarTime.Day = (sbyte)day; + calendarTime.Day = (sbyte)day; calendarTime.Hour = (sbyte)hour; - long year = calendarTime.Year; + long year = calendarTime.Year; long month = calendarTime.Month; if (NormalizeOverflow64(ref year, ref month, MonthsPerYear)) @@ -1499,7 +1500,7 @@ namespace Ryujinx.HLE.HOS.Services.Time.TimeZone li++; } - day += YearLengths[IsLeap((int)li)]; + day += _yearLengths[IsLeap((int)li)]; } while (day > DaysPerLYear) @@ -1511,7 +1512,7 @@ namespace Ryujinx.HLE.HOS.Services.Time.TimeZone li++; } - day -= YearLengths[IsLeap((int)li)]; + day -= _yearLengths[IsLeap((int)li)]; if (IncrementOverflow64(ref year, 1)) { @@ -1521,7 +1522,7 @@ namespace Ryujinx.HLE.HOS.Services.Time.TimeZone while (true) { - int i = MonthsLengths[IsLeap((int)year)][calendarTime.Month]; + int i = _monthsLengths[IsLeap((int)year)][calendarTime.Month]; if (day <= i) { @@ -1573,7 +1574,7 @@ namespace Ryujinx.HLE.HOS.Services.Time.TimeZone calendarTime.Second = 0; } - long low = long.MinValue; + long low = long.MinValue; long high = long.MaxValue; while (true) @@ -1670,15 +1671,15 @@ namespace Ryujinx.HLE.HOS.Services.Time.TimeZone { Time = new CalendarTime() { - Year = (short)calendarTime.Year, + Year = (short)calendarTime.Year, // NOTE: Nintendo's month range is 1-12, internal range is 0-11. Month = (sbyte)(calendarTime.Month + 1), - Day = calendarTime.Day, - Hour = calendarTime.Hour, + Day = calendarTime.Day, + Hour = calendarTime.Hour, Minute = calendarTime.Minute, - Second = calendarTime.Second + Second = calendarTime.Second, }, - AdditionalInfo = calendarAdditionalInfo + AdditionalInfo = calendarAdditionalInfo, }; return result; @@ -1686,18 +1687,18 @@ namespace Ryujinx.HLE.HOS.Services.Time.TimeZone internal static ResultCode ToPosixTime(in TimeZoneRule rules, CalendarTime calendarTime, out long posixTime) { - CalendarTimeInternal calendarTimeInternal = new CalendarTimeInternal() + CalendarTimeInternal calendarTimeInternal = new() { - Year = calendarTime.Year, + Year = calendarTime.Year, // NOTE: Nintendo's month range is 1-12, internal range is 0-11. - Month = (sbyte)(calendarTime.Month - 1), - Day = calendarTime.Day, - Hour = calendarTime.Hour, + Month = (sbyte)(calendarTime.Month - 1), + Day = calendarTime.Day, + Hour = calendarTime.Hour, Minute = calendarTime.Minute, - Second = calendarTime.Second + Second = calendarTime.Second, }; return ToPosixTimeInternal(in rules, calendarTimeInternal, out posixTime); } } -}
\ No newline at end of file +} |