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+// Licensed to the .NET Foundation under one or more agreements.
+// 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.CodeAnalysis;
+using System.Diagnostics.Contracts;
+
+namespace System.Globalization
+{
+ /*=================================KoreanCalendar==========================
+ **
+ ** Korean calendar is based on the Gregorian calendar. And the year is an offset to Gregorian calendar.
+ ** That is,
+ ** Korean year = Gregorian year + 2333. So 2000/01/01 A.D. is Korean 4333/01/01
+ **
+ ** 0001/1/1 A.D. is Korean year 2334.
+ **
+ ** Calendar support range:
+ ** Calendar Minimum Maximum
+ ** ========== ========== ==========
+ ** Gregorian 0001/01/01 9999/12/31
+ ** Korean 2334/01/01 12332/12/31
+ ============================================================================*/
+
+
+ [Serializable]
+ [System.Runtime.InteropServices.ComVisible(true)]
+ public class KoreanCalendar : Calendar
+ {
+ //
+ // The era value for the current era.
+ //
+
+ public const int KoreanEra = 1;
+
+ // Since
+ // Gregorian Year = Era Year + yearOffset
+ // Gregorian Year 1 is Korean year 2334, so that
+ // 1 = 2334 + yearOffset
+ // So yearOffset = -2333
+ // Gregorian year 2001 is Korean year 4334.
+
+ //m_EraInfo[0] = new EraInfo(1, new DateTime(1, 1, 1).Ticks, -2333, 2334, GregorianCalendar.MaxYear + 2333);
+
+ // Initialize our era info.
+ internal static EraInfo[] koreanEraInfo = new EraInfo[] {
+ new EraInfo( 1, 1, 1, 1, -2333, 2334, GregorianCalendar.MaxYear + 2333) // era #, start year/month/day, yearOffset, minEraYear
+ };
+
+ internal GregorianCalendarHelper helper;
+
+
+ [System.Runtime.InteropServices.ComVisible(false)]
+ public override DateTime MinSupportedDateTime
+ {
+ get
+ {
+ return (DateTime.MinValue);
+ }
+ }
+
+ [System.Runtime.InteropServices.ComVisible(false)]
+ public override DateTime MaxSupportedDateTime
+ {
+ get
+ {
+ return (DateTime.MaxValue);
+ }
+ }
+
+ public KoreanCalendar()
+ {
+ try
+ {
+ new CultureInfo("ko-KR");
+ }
+ catch (ArgumentException e)
+ {
+ throw new TypeInitializationException(this.GetType().ToString(), e);
+ }
+ helper = new GregorianCalendarHelper(this, koreanEraInfo);
+ }
+
+ internal override CalendarId ID
+ {
+ get
+ {
+ return CalendarId.KOREA;
+ }
+ }
+
+
+ public override DateTime AddMonths(DateTime time, int months)
+ {
+ return (helper.AddMonths(time, months));
+ }
+
+
+ public override DateTime AddYears(DateTime time, int years)
+ {
+ return (helper.AddYears(time, years));
+ }
+
+ /*=================================GetDaysInMonth==========================
+ **Action: Returns the number of days in the month given by the year and month arguments.
+ **Returns: The number of days in the given month.
+ **Arguments:
+ ** year The year in Korean calendar.
+ ** month The month
+ ** era The Japanese era value.
+ **Exceptions
+ ** ArgumentException If month is less than 1 or greater * than 12.
+ ============================================================================*/
+
+
+ public override int GetDaysInMonth(int year, int month, int era)
+ {
+ return (helper.GetDaysInMonth(year, month, era));
+ }
+
+
+ public override int GetDaysInYear(int year, int era)
+ {
+ return (helper.GetDaysInYear(year, era));
+ }
+
+
+ public override int GetDayOfMonth(DateTime time)
+ {
+ return (helper.GetDayOfMonth(time));
+ }
+
+
+ public override DayOfWeek GetDayOfWeek(DateTime time)
+ {
+ return (helper.GetDayOfWeek(time));
+ }
+
+
+ public override int GetDayOfYear(DateTime time)
+ {
+ return (helper.GetDayOfYear(time));
+ }
+
+
+ public override int GetMonthsInYear(int year, int era)
+ {
+ return (helper.GetMonthsInYear(year, era));
+ }
+
+
+ [SuppressMessage("Microsoft.Contracts", "CC1055")] // Skip extra error checking to avoid *potential* AppCompat problems.
+ [System.Runtime.InteropServices.ComVisible(false)]
+ public override int GetWeekOfYear(DateTime time, CalendarWeekRule rule, DayOfWeek firstDayOfWeek)
+ {
+ return (helper.GetWeekOfYear(time, rule, firstDayOfWeek));
+ }
+
+
+ public override int GetEra(DateTime time)
+ {
+ return (helper.GetEra(time));
+ }
+
+ public override int GetMonth(DateTime time)
+ {
+ return (helper.GetMonth(time));
+ }
+
+
+ public override int GetYear(DateTime time)
+ {
+ return (helper.GetYear(time));
+ }
+
+
+ public override bool IsLeapDay(int year, int month, int day, int era)
+ {
+ return (helper.IsLeapDay(year, month, day, era));
+ }
+
+
+ public override bool IsLeapYear(int year, int era)
+ {
+ return (helper.IsLeapYear(year, era));
+ }
+
+ // 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.
+ //
+
+ [System.Runtime.InteropServices.ComVisible(false)]
+ public override int GetLeapMonth(int year, int era)
+ {
+ return (helper.GetLeapMonth(year, era));
+ }
+
+
+ public override bool IsLeapMonth(int year, int month, int era)
+ {
+ return (helper.IsLeapMonth(year, month, era));
+ }
+
+
+ public override DateTime ToDateTime(int year, int month, int day, int hour, int minute, int second, int millisecond, int era)
+ {
+ return (helper.ToDateTime(year, month, day, hour, minute, second, millisecond, era));
+ }
+
+
+ public override int[] Eras
+ {
+ get
+ {
+ return (helper.Eras);
+ }
+ }
+
+ private const int DEFAULT_TWO_DIGIT_YEAR_MAX = 4362;
+
+
+ public override int TwoDigitYearMax
+ {
+ get
+ {
+ if (twoDigitYearMax == -1)
+ {
+ twoDigitYearMax = GetSystemTwoDigitYearSetting(ID, DEFAULT_TWO_DIGIT_YEAR_MAX);
+ }
+ return (twoDigitYearMax);
+ }
+
+ set
+ {
+ VerifyWritable();
+ if (value < 99 || value > helper.MaxYear)
+ {
+ throw new ArgumentOutOfRangeException(
+ "year",
+ String.Format(
+ CultureInfo.CurrentCulture,
+ SR.ArgumentOutOfRange_Range,
+ 99,
+ helper.MaxYear));
+ }
+ twoDigitYearMax = value;
+ }
+ }
+
+
+ public override int ToFourDigitYear(int year)
+ {
+ if (year < 0)
+ {
+ throw new ArgumentOutOfRangeException("year",
+ SR.ArgumentOutOfRange_NeedNonNegNum);
+ }
+ Contract.EndContractBlock();
+
+ return (helper.ToFourDigitYear(year, this.TwoDigitYearMax));
+ }
+ }
+}