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-rw-r--r--src/mscorlib/src/System/Globalization/GregorianCalendarHelper.cs419
1 files changed, 227 insertions, 192 deletions
diff --git a/src/mscorlib/src/System/Globalization/GregorianCalendarHelper.cs b/src/mscorlib/src/System/Globalization/GregorianCalendarHelper.cs
index 062ae4818a..bdc35f0734 100644
--- a/src/mscorlib/src/System/Globalization/GregorianCalendarHelper.cs
+++ b/src/mscorlib/src/System/Globalization/GregorianCalendarHelper.cs
@@ -2,27 +2,25 @@
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
+using System;
+using System.Diagnostics.Contracts;
+using System.Runtime.Serialization;
+using System.Threading;
-namespace System.Globalization {
- using System;
- using System.Runtime.Serialization;
- using System.Threading;
- using System.Diagnostics.Contracts;
-
+namespace System.Globalization
+{
// Gregorian Calendars use Era Info
- // Note: We shouldn't have to serialize this since the info doesn't change, but we have been.
- // (We really only need the calendar #, and maybe culture)
[Serializable]
internal class EraInfo
{
- internal int era; // The value of the era.
+ internal int era; // The value of the era.
internal long ticks; // The time in ticks when the era starts
- internal int yearOffset; // The offset to Gregorian year when the era starts.
- // Gregorian Year = Era Year + yearOffset
- // Era Year = Gregorian Year - yearOffset
- internal int minEraYear; // Min year value in this era. Generally, this value is 1, but this may
- // be affected by the DateTime.MinValue;
- internal int maxEraYear; // Max year value in this era. (== the year length of the era + 1)
+ internal int yearOffset; // The offset to Gregorian year when the era starts.
+ // Gregorian Year = Era Year + yearOffset
+ // Era Year = Gregorian Year - yearOffset
+ internal int minEraYear; // Min year value in this era. Generally, this value is 1, but this may
+ // be affected by the DateTime.MinValue;
+ internal int maxEraYear; // Max year value in this era. (== the year length of the era + 1)
[OptionalField(VersionAdded = 4)]
internal String eraName; // The era name
@@ -57,90 +55,85 @@ namespace System.Globalization {
// This calendar recognizes two era values:
// 0 CurrentEra (AD)
// 1 BeforeCurrentEra (BC)
- [Serializable] internal class GregorianCalendarHelper {
-
+ [Serializable]
+ internal class GregorianCalendarHelper
+ {
// 1 tick = 100ns = 10E-7 second
// Number of ticks per time unit
- internal const long TicksPerMillisecond = 10000;
- internal const long TicksPerSecond = TicksPerMillisecond * 1000;
- internal const long TicksPerMinute = TicksPerSecond * 60;
- internal const long TicksPerHour = TicksPerMinute * 60;
- internal const long TicksPerDay = TicksPerHour * 24;
-
+ internal const long TicksPerMillisecond = 10000;
+ internal const long TicksPerSecond = TicksPerMillisecond * 1000;
+ internal const long TicksPerMinute = TicksPerSecond * 60;
+ internal const long TicksPerHour = TicksPerMinute * 60;
+ internal const long TicksPerDay = TicksPerHour * 24;
+
// Number of milliseconds per time unit
- internal const int MillisPerSecond = 1000;
- internal const int MillisPerMinute = MillisPerSecond * 60;
- internal const int MillisPerHour = MillisPerMinute * 60;
- internal const int MillisPerDay = MillisPerHour * 24;
+ internal const int MillisPerSecond = 1000;
+ internal const int MillisPerMinute = MillisPerSecond * 60;
+ internal const int MillisPerHour = MillisPerMinute * 60;
+ internal const int MillisPerDay = MillisPerHour * 24;
// Number of days in a non-leap year
- internal const int DaysPerYear = 365;
+ internal const int DaysPerYear = 365;
// Number of days in 4 years
- internal const int DaysPer4Years = DaysPerYear * 4 + 1;
+ internal const int DaysPer4Years = DaysPerYear * 4 + 1;
// Number of days in 100 years
- internal const int DaysPer100Years = DaysPer4Years * 25 - 1;
+ internal const int DaysPer100Years = DaysPer4Years * 25 - 1;
// Number of days in 400 years
- internal const int DaysPer400Years = DaysPer100Years * 4 + 1;
-
+ internal const int DaysPer400Years = DaysPer100Years * 4 + 1;
+
// Number of days from 1/1/0001 to 1/1/10000
- internal const int DaysTo10000 = DaysPer400Years * 25 - 366;
+ internal const int DaysTo10000 = DaysPer400Years * 25 - 366;
- internal const long MaxMillis = (long)DaysTo10000 * MillisPerDay;
+ internal const long MaxMillis = (long)DaysTo10000 * MillisPerDay;
internal const int DatePartYear = 0;
internal const int DatePartDayOfYear = 1;
internal const int DatePartMonth = 2;
- internal const int DatePartDay = 3;
+ internal const int DatePartDay = 3;
//
// This is the max Gregorian year can be represented by DateTime class. The limitation
// is derived from DateTime class.
//
- internal int MaxYear {
- get {
+ internal int MaxYear
+ {
+ get
+ {
return (m_maxYear);
}
}
- internal static readonly int[] DaysToMonth365 =
+ internal static readonly int[] DaysToMonth365 =
{
0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365
};
-
- internal static readonly int[] DaysToMonth366 =
+
+ internal static readonly int[] DaysToMonth366 =
{
0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335, 366
};
- // Strictly these don't need serialized since they can be recreated from the calendar id
[OptionalField(VersionAdded = 1)]
internal int m_maxYear = 9999;
[OptionalField(VersionAdded = 1)]
internal int m_minYear;
internal Calendar m_Cal;
- // Era information doesn't need serialized, its constant for the same calendars (ie: we can recreate it from the calendar id)
[OptionalField(VersionAdded = 1)]
- internal EraInfo[] m_EraInfo;
+ internal EraInfo[] m_EraInfo;
[OptionalField(VersionAdded = 1)]
internal int[] m_eras = null;
- // m_minDate is existing here just to keep the serialization compatibility.
- // it has nothing to do with the code anymore.
- [OptionalField(VersionAdded = 1)]
- internal DateTime m_minDate;
-
+
// Construct an instance of gregorian calendar.
- internal GregorianCalendarHelper(Calendar cal, EraInfo[] eraInfo) {
+ internal GregorianCalendarHelper(Calendar cal, EraInfo[] eraInfo)
+ {
m_Cal = cal;
- m_EraInfo = eraInfo;
- // m_minDate is existing here just to keep the serialization compatibility.
- // it has nothing to do with the code anymore.
- m_minDate = m_Cal.MinSupportedDateTime;
+ m_EraInfo = eraInfo;
m_maxYear = m_EraInfo[0].maxEraYear;
- m_minYear = m_EraInfo[0].minEraYear;;
+ m_minYear = m_EraInfo[0].minEraYear; ;
}
-
+
/*=================================GetGregorianYear==========================
**Action: Get the Gregorian year value for the specified year in an era.
**Returns: The Gregorian year value.
@@ -151,58 +144,70 @@ namespace System.Globalization {
** ArgumentOutOfRangeException if year value is invalid or era value is invalid.
============================================================================*/
- internal int GetGregorianYear(int year, int era) {
- if (year < 0) {
+ internal int GetGregorianYear(int year, int era)
+ {
+ if (year < 0)
+ {
throw new ArgumentOutOfRangeException(nameof(year),
- Environment.GetResourceString("ArgumentOutOfRange_NeedNonNegNum"));
- }
+ SR.ArgumentOutOfRange_NeedNonNegNum);
+ }
Contract.EndContractBlock();
- if (era == Calendar.CurrentEra) {
+ if (era == Calendar.CurrentEra)
+ {
era = m_Cal.CurrentEraValue;
}
-
- for (int i = 0; i < m_EraInfo.Length; i++) {
- if (era == m_EraInfo[i].era) {
- if (year < m_EraInfo[i].minEraYear || year > m_EraInfo[i].maxEraYear) {
+
+ for (int i = 0; i < m_EraInfo.Length; i++)
+ {
+ if (era == m_EraInfo[i].era)
+ {
+ if (year < m_EraInfo[i].minEraYear || year > m_EraInfo[i].maxEraYear)
+ {
throw new ArgumentOutOfRangeException(
- nameof(year),
+ nameof(year),
String.Format(
CultureInfo.CurrentCulture,
- Environment.GetResourceString("ArgumentOutOfRange_Range"),
- m_EraInfo[i].minEraYear,
+ SR.ArgumentOutOfRange_Range,
+ m_EraInfo[i].minEraYear,
m_EraInfo[i].maxEraYear));
}
return (m_EraInfo[i].yearOffset + year);
}
}
- throw new ArgumentOutOfRangeException(nameof(era), Environment.GetResourceString("ArgumentOutOfRange_InvalidEraValue"));
+ throw new ArgumentOutOfRangeException(nameof(era), SR.ArgumentOutOfRange_InvalidEraValue);
}
-
- internal bool IsValidYear(int year, int era) {
- if (year < 0) {
+
+ internal bool IsValidYear(int year, int era)
+ {
+ if (year < 0)
+ {
return false;
- }
+ }
- if (era == Calendar.CurrentEra) {
+ if (era == Calendar.CurrentEra)
+ {
era = m_Cal.CurrentEraValue;
}
-
- for (int i = 0; i < m_EraInfo.Length; i++) {
- if (era == m_EraInfo[i].era) {
- if (year < m_EraInfo[i].minEraYear || year > m_EraInfo[i].maxEraYear) {
+
+ for (int i = 0; i < m_EraInfo.Length; i++)
+ {
+ if (era == m_EraInfo[i].era)
+ {
+ if (year < m_EraInfo[i].minEraYear || year > m_EraInfo[i].maxEraYear)
+ {
return false;
}
return true;
}
}
return false;
- }
-
+ }
+
// Returns a given date part of this DateTime. This method is used
// to compute the year, day-of-year, month, or day part.
- internal virtual int GetDatePart(long ticks, int part)
+ internal virtual int GetDatePart(long ticks, int part)
{
CheckTicksRange(ticks);
// n = number of days since 1/1/0001
@@ -214,7 +219,7 @@ namespace System.Globalization {
// y100 = number of whole 100-year periods within 400-year period
int y100 = n / DaysPer100Years;
// Last 100-year period has an extra day, so decrement result if 4
- if (y100 == 4) y100 = 3;
+ if (y100 == 4) y100 = 3;
// n = day number within 100-year period
n -= y100 * DaysPer100Years;
// y4 = number of whole 4-year periods within 100-year period
@@ -224,23 +229,23 @@ namespace System.Globalization {
// y1 = number of whole years within 4-year period
int y1 = n / DaysPerYear;
// Last year has an extra day, so decrement result if 4
- if (y1 == 4) y1 = 3;
+ if (y1 == 4) y1 = 3;
// If year was requested, compute and return it
- if (part == DatePartYear)
+ if (part == DatePartYear)
{
return (y400 * 400 + y100 * 100 + y4 * 4 + y1 + 1);
}
// n = day number within year
n -= y1 * DaysPerYear;
// If day-of-year was requested, return it
- if (part == DatePartDayOfYear)
+ if (part == DatePartDayOfYear)
{
return (n + 1);
}
// Leap year calculation looks different from IsLeapYear since y1, y4,
// and y100 are relative to year 1, not year 0
bool leapYear = (y1 == 3 && (y4 != 24 || y100 == 3));
- int[] days = leapYear? DaysToMonth366: DaysToMonth365;
+ int[] days = leapYear ? DaysToMonth366 : DaysToMonth365;
// All months have less than 32 days, so n >> 5 is a good conservative
// estimate for the month
int m = (n >> 5) + 1;
@@ -270,23 +275,26 @@ namespace System.Globalization {
**
============================================================================*/
- internal static long GetAbsoluteDate(int year, int month, int day) {
- if (year >= 1 && year <= 9999 && month >= 1 && month <= 12)
+ internal static long GetAbsoluteDate(int year, int month, int day)
+ {
+ if (year >= 1 && year <= 9999 && month >= 1 && month <= 12)
{
- int[] days = ((year % 4 == 0 && (year % 100 != 0 || year % 400 == 0))) ? DaysToMonth366: DaysToMonth365;
- if (day >= 1 && (day <= days[month] - days[month - 1])) {
+ int[] days = ((year % 4 == 0 && (year % 100 != 0 || year % 400 == 0))) ? DaysToMonth366 : DaysToMonth365;
+ if (day >= 1 && (day <= days[month] - days[month - 1]))
+ {
int y = year - 1;
int absoluteDate = y * 365 + y / 4 - y / 100 + y / 400 + days[month - 1] + day - 1;
return (absoluteDate);
}
}
- throw new ArgumentOutOfRangeException(null, Environment.GetResourceString("ArgumentOutOfRange_BadYearMonthDay"));
- }
+ throw new ArgumentOutOfRangeException(null, SR.ArgumentOutOfRange_BadYearMonthDay);
+ }
// Returns the tick count corresponding to the given year, month, and day.
// Will check the if the parameters are valid.
- internal static long DateToTicks(int year, int month, int day) {
- return (GetAbsoluteDate(year, month, day)* TicksPerDay);
+ internal static long DateToTicks(int year, int month, int day)
+ {
+ return (GetAbsoluteDate(year, month, day) * TicksPerDay);
}
// Return the tick count corresponding to the given hour, minute, second.
@@ -295,30 +303,33 @@ namespace System.Globalization {
{
//TimeSpan.TimeToTicks is a family access function which does no error checking, so
//we need to put some error checking out here.
- if (hour >= 0 && hour < 24 && minute >= 0 && minute < 60 && second >=0 && second < 60)
+ if (hour >= 0 && hour < 24 && minute >= 0 && minute < 60 && second >= 0 && second < 60)
{
- if (millisecond < 0 || millisecond >= MillisPerSecond) {
+ if (millisecond < 0 || millisecond >= MillisPerSecond)
+ {
throw new ArgumentOutOfRangeException(
- nameof(millisecond),
+ nameof(millisecond),
String.Format(
CultureInfo.CurrentCulture,
- Environment.GetResourceString("ArgumentOutOfRange_Range"),
- 0,
+ SR.ArgumentOutOfRange_Range,
+ 0,
MillisPerSecond - 1));
- }
- return (TimeSpan.TimeToTicks(hour, minute, second) + millisecond * TicksPerMillisecond);;
+ }
+ return (InternalGlobalizationHelper.TimeToTicks(hour, minute, second) + millisecond * TicksPerMillisecond); ;
}
- throw new ArgumentOutOfRangeException(null, Environment.GetResourceString("ArgumentOutOfRange_BadHourMinuteSecond"));
+ throw new ArgumentOutOfRangeException(null, SR.ArgumentOutOfRange_BadHourMinuteSecond);
}
-
- internal void CheckTicksRange(long ticks) {
- if (ticks < m_Cal.MinSupportedDateTime.Ticks || ticks > m_Cal.MaxSupportedDateTime.Ticks) {
+
+ internal void CheckTicksRange(long ticks)
+ {
+ if (ticks < m_Cal.MinSupportedDateTime.Ticks || ticks > m_Cal.MaxSupportedDateTime.Ticks)
+ {
throw new ArgumentOutOfRangeException(
- "time",
+ "time",
String.Format(
- CultureInfo.InvariantCulture,
- Environment.GetResourceString("ArgumentOutOfRange_CalendarRange"),
+ CultureInfo.InvariantCulture,
+ SR.ArgumentOutOfRange_CalendarRange,
m_Cal.MinSupportedDateTime,
m_Cal.MaxSupportedDateTime));
}
@@ -342,15 +353,16 @@ namespace System.Globalization {
// or equal to d that denotes a valid day in month m1 of year
// y1.
//
- public DateTime AddMonths(DateTime time, int months)
+ public DateTime AddMonths(DateTime time, int months)
{
- if (months < -120000 || months > 120000) {
+ if (months < -120000 || months > 120000)
+ {
throw new ArgumentOutOfRangeException(
- nameof(months),
+ nameof(months),
String.Format(
CultureInfo.CurrentCulture,
- Environment.GetResourceString("ArgumentOutOfRange_Range"),
- -120000,
+ SR.ArgumentOutOfRange_Range,
+ -120000,
120000));
}
Contract.EndContractBlock();
@@ -360,20 +372,20 @@ namespace System.Globalization {
int m = GetDatePart(time.Ticks, DatePartMonth);
int d = GetDatePart(time.Ticks, DatePartDay);
int i = m - 1 + months;
- if (i >= 0)
+ if (i >= 0)
{
m = i % 12 + 1;
y = y + i / 12;
}
- else
+ else
{
m = 12 + (i + 1) % 12;
y = y + (i - 11) / 12;
}
- int[] daysArray = (y % 4 == 0 && (y % 100 != 0 || y % 400 == 0)) ? DaysToMonth366: DaysToMonth365;
- int days = (daysArray[m] - daysArray[m - 1]);
-
- if (d > days)
+ int[] daysArray = (y % 4 == 0 && (y % 100 != 0 || y % 400 == 0)) ? DaysToMonth366 : DaysToMonth365;
+ int days = (daysArray[m] - daysArray[m - 1]);
+
+ if (d > days)
{
d = days;
}
@@ -381,7 +393,7 @@ namespace System.Globalization {
Calendar.CheckAddResult(ticks, m_Cal.MinSupportedDateTime, m_Cal.MaxSupportedDateTime);
return (new DateTime(ticks));
}
-
+
// Returns the DateTime resulting from adding the given number of
// years to the specified DateTime. The result is computed by incrementing
// (or decrementing) the year part of the specified DateTime by value
@@ -390,11 +402,11 @@ namespace System.Globalization {
// DateTime becomes 2/28. Otherwise, the month, day, and time-of-day
// parts of the result are the same as those of the specified DateTime.
//
- public DateTime AddYears(DateTime time, int years)
+ public DateTime AddYears(DateTime time, int years)
{
return (AddMonths(time, years * 12));
}
-
+
// Returns the day-of-month part of the specified DateTime. The returned
// value is an integer between 1 and 31.
//
@@ -402,18 +414,18 @@ namespace System.Globalization {
{
return (GetDatePart(time.Ticks, DatePartDay));
}
-
+
// Returns the day-of-week part of the specified DateTime. The returned value
// is an integer between 0 and 6, where 0 indicates Sunday, 1 indicates
// Monday, 2 indicates Tuesday, 3 indicates Wednesday, 4 indicates
// Thursday, 5 indicates Friday, and 6 indicates Saturday.
//
- public DayOfWeek GetDayOfWeek(DateTime time)
+ public DayOfWeek GetDayOfWeek(DateTime time)
{
CheckTicksRange(time.Ticks);
return ((DayOfWeek)((time.Ticks / TicksPerDay + 1) % 7));
}
-
+
// Returns the day-of-year part of the specified DateTime. The returned value
// is an integer between 1 and 366.
//
@@ -426,18 +438,20 @@ namespace System.Globalization {
// month arguments.
//
[Pure]
- public int GetDaysInMonth(int year, int month, int era) {
+ public int GetDaysInMonth(int year, int month, int era)
+ {
//
// Convert year/era value to Gregorain year value.
//
year = GetGregorianYear(year, era);
- if (month < 1 || month > 12) {
- throw new ArgumentOutOfRangeException(nameof(month), Environment.GetResourceString("ArgumentOutOfRange_Month"));
+ if (month < 1 || month > 12)
+ {
+ throw new ArgumentOutOfRangeException(nameof(month), SR.ArgumentOutOfRange_Month);
}
- int[] days = ((year % 4 == 0 && (year % 100 != 0 || year % 400 == 0)) ? DaysToMonth366: DaysToMonth365);
- return (days[month] - days[month - 1]);
+ int[] days = ((year % 4 == 0 && (year % 100 != 0 || year % 400 == 0)) ? DaysToMonth366 : DaysToMonth365);
+ return (days[month] - days[month - 1]);
}
-
+
// Returns the number of days in the year given by the year argument for the current era.
//
@@ -447,83 +461,93 @@ namespace System.Globalization {
// Convert year/era value to Gregorain year value.
//
year = GetGregorianYear(year, era);
- return ((year % 4 == 0 && (year % 100 != 0 || year % 400 == 0)) ? 366:365);
+ return ((year % 4 == 0 && (year % 100 != 0 || year % 400 == 0)) ? 366 : 365);
}
-
+
// Returns the era for the specified DateTime value.
public int GetEra(DateTime time)
{
long ticks = time.Ticks;
// The assumption here is that m_EraInfo is listed in reverse order.
- for (int i = 0; i < m_EraInfo.Length; i++) {
- if (ticks >= m_EraInfo[i].ticks) {
+ for (int i = 0; i < m_EraInfo.Length; i++)
+ {
+ if (ticks >= m_EraInfo[i].ticks)
+ {
return (m_EraInfo[i].era);
}
}
- throw new ArgumentOutOfRangeException(nameof(time), Environment.GetResourceString("ArgumentOutOfRange_Era"));
+ throw new ArgumentOutOfRangeException(nameof(time), SR.ArgumentOutOfRange_Era);
}
- public int[] Eras {
- get {
- if (m_eras == null) {
+ public int[] Eras
+ {
+ get
+ {
+ if (m_eras == null)
+ {
m_eras = new int[m_EraInfo.Length];
- for (int i = 0; i < m_EraInfo.Length; i++) {
+ for (int i = 0; i < m_EraInfo.Length; i++)
+ {
m_eras[i] = m_EraInfo[i].era;
}
}
return ((int[])m_eras.Clone());
}
}
-
+
// Returns the month part of the specified DateTime. The returned value is an
// integer between 1 and 12.
//
- public int GetMonth(DateTime time)
+ public int GetMonth(DateTime time)
{
return (GetDatePart(time.Ticks, DatePartMonth));
}
-
+
// Returns the number of months in the specified year and era.
public int GetMonthsInYear(int year, int era)
{
year = GetGregorianYear(year, era);
return (12);
}
-
+
// Returns the year part of the specified DateTime. The returned value is an
// integer between 1 and 9999.
//
- public int GetYear(DateTime time)
+ public int GetYear(DateTime time)
{
long ticks = time.Ticks;
int year = GetDatePart(ticks, DatePartYear);
- for (int i = 0; i < m_EraInfo.Length; i++) {
- if (ticks >= m_EraInfo[i].ticks) {
+ for (int i = 0; i < m_EraInfo.Length; i++)
+ {
+ if (ticks >= m_EraInfo[i].ticks)
+ {
return (year - m_EraInfo[i].yearOffset);
}
}
- throw new ArgumentException(Environment.GetResourceString("Argument_NoEra"));
- }
-
+ throw new ArgumentException(SR.Argument_NoEra);
+ }
+
// Returns the year that match the specified Gregorian year. The returned value is an
// integer between 1 and 9999.
//
- public int GetYear(int year, DateTime time)
+ public int GetYear(int year, DateTime time)
{
long ticks = time.Ticks;
- for (int i = 0; i < m_EraInfo.Length; i++) {
- // while calculating dates with JapaneseLuniSolarCalendar, we can run into cases right after the start of the era
- // and still belong to the month which is started in previous era. Calculating equivalent calendar date will cause
- // using the new era info which will have the year offset equal to the year we are calculating year = m_EraInfo[i].yearOffset
+ for (int i = 0; i < m_EraInfo.Length; i++)
+ {
+ // while calculating dates with JapaneseLuniSolarCalendar, we can run into cases right after the start of the era
+ // and still belong to the month which is started in previous era. Calculating equivalent calendar date will cause
+ // using the new era info which will have the year offset equal to the year we are calculating year = m_EraInfo[i].yearOffset
// which will end up with zero as calendar year.
// We should use the previous era info instead to get the right year number. Example of such date is Feb 2nd 1989
- if (ticks >= m_EraInfo[i].ticks && year > m_EraInfo[i].yearOffset) {
+ if (ticks >= m_EraInfo[i].ticks && year > m_EraInfo[i].yearOffset)
+ {
return (year - m_EraInfo[i].yearOffset);
}
}
- throw new ArgumentException(Environment.GetResourceString("Argument_NoEra"));
- }
+ throw new ArgumentException(SR.Argument_NoEra);
+ }
// Checks whether a given day in the specified era is a leap day. This method returns true if
// the date is a leap day, or false if not.
@@ -531,35 +555,38 @@ namespace System.Globalization {
public bool IsLeapDay(int year, int month, int day, int era)
{
// year/month/era checking is done in GetDaysInMonth()
- if (day < 1 || day > GetDaysInMonth(year, month, era)) {
+ if (day < 1 || day > GetDaysInMonth(year, month, era))
+ {
throw new ArgumentOutOfRangeException(
- nameof(day),
+ nameof(day),
String.Format(
CultureInfo.CurrentCulture,
- Environment.GetResourceString("ArgumentOutOfRange_Range"),
- 1,
- GetDaysInMonth(year, month, era)));
+ SR.ArgumentOutOfRange_Range,
+ 1,
+ GetDaysInMonth(year, month, era)));
}
Contract.EndContractBlock();
-
- if (!IsLeapYear(year, era)) {
+
+ if (!IsLeapYear(year, era))
+ {
return (false);
}
-
- if (month == 2 && day == 29) {
+
+ if (month == 2 && day == 29)
+ {
return (true);
}
-
- return (false);
+
+ return (false);
}
-
+
// Returns the leap month in a calendar year of the specified era. This method returns 0
// if this calendar does not have leap month, or this year is not a leap year.
//
public int GetLeapMonth(int year, int era)
{
year = GetGregorianYear(year, era);
- return (0);
+ return (0);
}
// Checks whether a given month in the specified era is a leap month. This method returns true if
@@ -568,36 +595,40 @@ namespace System.Globalization {
public bool IsLeapMonth(int year, int month, int era)
{
year = GetGregorianYear(year, era);
- if (month < 1 || month > 12) {
+ if (month < 1 || month > 12)
+ {
throw new ArgumentOutOfRangeException(
- nameof(month),
+ nameof(month),
String.Format(
CultureInfo.CurrentCulture,
- Environment.GetResourceString("ArgumentOutOfRange_Range"),
- 1,
- 12));
- }
- return (false);
+ SR.ArgumentOutOfRange_Range,
+ 1,
+ 12));
+ }
+ return (false);
}
-
+
// Checks whether a given year in the specified era is a leap year. This method returns true if
// year is a leap year, or false if not.
//
- public bool IsLeapYear(int year, int era) {
+ public bool IsLeapYear(int year, int era)
+ {
year = GetGregorianYear(year, era);
return (year % 4 == 0 && (year % 100 != 0 || year % 400 == 0));
}
-
+
// Returns the date and time converted to a DateTime value. Throws an exception if the n-tuple is invalid.
//
- public DateTime ToDateTime(int year, int month, int day, int hour, int minute, int second, int millisecond, int era) {
+ public DateTime ToDateTime(int year, int month, int day, int hour, int minute, int second, int millisecond, int era)
+ {
year = GetGregorianYear(year, era);
long ticks = DateToTicks(year, month, day) + TimeToTicks(hour, minute, second, millisecond);
CheckTicksRange(ticks);
return (new DateTime(ticks));
}
- public virtual int GetWeekOfYear(DateTime time, CalendarWeekRule rule, DayOfWeek firstDayOfWeek) {
+ public virtual int GetWeekOfYear(DateTime time, CalendarWeekRule rule, DayOfWeek firstDayOfWeek)
+ {
CheckTicksRange(time.Ticks);
// Use GregorianCalendar to get around the problem that the implmentation in Calendar.GetWeekOfYear()
// can call GetYear() that exceeds the supported range of the Gregorian-based calendars.
@@ -605,29 +636,33 @@ namespace System.Globalization {
}
- public int ToFourDigitYear(int year, int twoDigitYearMax) {
- if (year < 0) {
+ public int ToFourDigitYear(int year, int twoDigitYearMax)
+ {
+ if (year < 0)
+ {
throw new ArgumentOutOfRangeException(nameof(year),
- Environment.GetResourceString("ArgumentOutOfRange_NeedPosNum"));
+ SR.ArgumentOutOfRange_NeedPosNum);
}
Contract.EndContractBlock();
-
- if (year < 100) {
+
+ if (year < 100)
+ {
int y = year % 100;
- return ((twoDigitYearMax/100 - ( y > twoDigitYearMax % 100 ? 1 : 0))*100 + y);
+ return ((twoDigitYearMax / 100 - (y > twoDigitYearMax % 100 ? 1 : 0)) * 100 + y);
}
-
- if (year < m_minYear || year > m_maxYear) {
+
+ if (year < m_minYear || year > m_maxYear)
+ {
throw new ArgumentOutOfRangeException(
nameof(year),
String.Format(
CultureInfo.CurrentCulture,
- Environment.GetResourceString("ArgumentOutOfRange_Range"), m_minYear, m_maxYear));
+ SR.ArgumentOutOfRange_Range, m_minYear, m_maxYear));
}
// If the year value is above 100, just return the year value. Don't have to do
// the TwoDigitYearMax comparison.
return (year);
}
- }
+ }
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-18 15:41:19 +0000