// 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.Contracts; namespace System.Globalization { //////////////////////////////////////////////////////////////////////////// // // Notes about JapaneseLunisolarCalendar // //////////////////////////////////////////////////////////////////////////// /* ** Calendar support range: ** Calendar Minimum Maximum ** ========== ========== ========== ** Gregorian 1960/01/28 2050/01/22 ** JapaneseLunisolar 1960/01/01 2049/12/29 */ [Serializable] public class JapaneseLunisolarCalendar : EastAsianLunisolarCalendar { // // The era value for the current era. // public const int JapaneseEra = 1; internal GregorianCalendarHelper helper; internal const int MIN_LUNISOLAR_YEAR = 1960; internal const int MAX_LUNISOLAR_YEAR = 2049; internal const int MIN_GREGORIAN_YEAR = 1960; internal const int MIN_GREGORIAN_MONTH = 1; internal const int MIN_GREGORIAN_DAY = 28; internal const int MAX_GREGORIAN_YEAR = 2050; internal const int MAX_GREGORIAN_MONTH = 1; internal const int MAX_GREGORIAN_DAY = 22; internal static DateTime minDate = new DateTime(MIN_GREGORIAN_YEAR, MIN_GREGORIAN_MONTH, MIN_GREGORIAN_DAY); internal static DateTime maxDate = new DateTime((new DateTime(MAX_GREGORIAN_YEAR, MAX_GREGORIAN_MONTH, MAX_GREGORIAN_DAY, 23, 59, 59, 999)).Ticks + 9999); public override DateTime MinSupportedDateTime { get { return (minDate); } } public override DateTime MaxSupportedDateTime { get { return (maxDate); } } protected override int DaysInYearBeforeMinSupportedYear { get { // 1959 from ChineseLunisolarCalendar return 354; } } private static readonly int[,] s_yinfo = { /*Y LM Lmon Lday DaysPerMonth D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 D13 #Days 1960 */ { 6 , 1 , 28 , 44368 },/* 30 29 30 29 30 30 29 30 29 30 29 30 29 384 1961 */{ 0 , 2 , 15 , 43856 },/* 30 29 30 29 30 29 30 30 29 30 29 30 0 355 1962 */{ 0 , 2 , 5 , 19808 },/* 29 30 29 29 30 30 29 30 29 30 30 29 0 354 1963 */{ 4 , 1 , 25 , 42352 },/* 30 29 30 29 29 30 29 30 29 30 30 30 29 384 1964 */{ 0 , 2 , 13 , 42352 },/* 30 29 30 29 29 30 29 30 29 30 30 30 0 355 1965 */{ 0 , 2 , 2 , 21104 },/* 29 30 29 30 29 29 30 29 29 30 30 30 0 354 1966 */{ 3 , 1 , 22 , 26928 },/* 29 30 30 29 30 29 29 30 29 29 30 30 29 383 1967 */{ 0 , 2 , 9 , 55632 },/* 30 30 29 30 30 29 29 30 29 30 29 30 0 355 1968 */{ 7 , 1 , 30 , 27304 },/* 29 30 30 29 30 29 30 29 30 29 30 29 30 384 1969 */{ 0 , 2 , 17 , 22176 },/* 29 30 29 30 29 30 30 29 30 29 30 29 0 354 1970 */{ 0 , 2 , 6 , 39632 },/* 30 29 29 30 30 29 30 29 30 30 29 30 0 355 1971 */{ 5 , 1 , 27 , 19176 },/* 29 30 29 29 30 29 30 29 30 30 30 29 30 384 1972 */{ 0 , 2 , 15 , 19168 },/* 29 30 29 29 30 29 30 29 30 30 30 29 0 354 1973 */{ 0 , 2 , 3 , 42208 },/* 30 29 30 29 29 30 29 29 30 30 30 29 0 354 1974 */{ 4 , 1 , 23 , 53864 },/* 30 30 29 30 29 29 30 29 29 30 30 29 30 384 1975 */{ 0 , 2 , 11 , 53840 },/* 30 30 29 30 29 29 30 29 29 30 29 30 0 354 1976 */{ 8 , 1 , 31 , 54600 },/* 30 30 29 30 29 30 29 30 29 30 29 29 30 384 1977 */{ 0 , 2 , 18 , 46400 },/* 30 29 30 30 29 30 29 30 29 30 29 29 0 354 1978 */{ 0 , 2 , 7 , 54944 },/* 30 30 29 30 29 30 30 29 30 29 30 29 0 355 1979 */{ 6 , 1 , 28 , 38608 },/* 30 29 29 30 29 30 30 29 30 30 29 30 29 384 1980 */{ 0 , 2 , 16 , 38320 },/* 30 29 29 30 29 30 29 30 30 29 30 30 0 355 1981 */{ 0 , 2 , 5 , 18864 },/* 29 30 29 29 30 29 29 30 30 29 30 30 0 354 1982 */{ 4 , 1 , 25 , 42200 },/* 30 29 30 29 29 30 29 29 30 30 29 30 30 384 1983 */{ 0 , 2 , 13 , 42160 },/* 30 29 30 29 29 30 29 29 30 29 30 30 0 354 1984 */{ 10 , 2 , 2 , 45656 },/* 30 29 30 30 29 29 30 29 29 30 29 30 30 384 1985 */{ 0 , 2 , 20 , 27216 },/* 29 30 30 29 30 29 30 29 29 30 29 30 0 354 1986 */{ 0 , 2 , 9 , 27968 },/* 29 30 30 29 30 30 29 30 29 30 29 29 0 354 1987 */{ 6 , 1 , 29 , 46504 },/* 30 29 30 30 29 30 29 30 30 29 30 29 30 385 1988 */{ 0 , 2 , 18 , 11104 },/* 29 29 30 29 30 29 30 30 29 30 30 29 0 354 1989 */{ 0 , 2 , 6 , 38320 },/* 30 29 29 30 29 30 29 30 30 29 30 30 0 355 1990 */{ 5 , 1 , 27 , 18872 },/* 29 30 29 29 30 29 29 30 30 29 30 30 30 384 1991 */{ 0 , 2 , 15 , 18800 },/* 29 30 29 29 30 29 29 30 29 30 30 30 0 354 1992 */{ 0 , 2 , 4 , 25776 },/* 29 30 30 29 29 30 29 29 30 29 30 30 0 354 1993 */{ 3 , 1 , 23 , 27216 },/* 29 30 30 29 30 29 30 29 29 30 29 30 29 383 1994 */{ 0 , 2 , 10 , 59984 },/* 30 30 30 29 30 29 30 29 29 30 29 30 0 355 1995 */{ 8 , 1 , 31 , 27976 },/* 29 30 30 29 30 30 29 30 29 30 29 29 30 384 1996 */{ 0 , 2 , 19 , 23248 },/* 29 30 29 30 30 29 30 29 30 30 29 30 0 355 1997 */{ 0 , 2 , 8 , 11104 },/* 29 29 30 29 30 29 30 30 29 30 30 29 0 354 1998 */{ 5 , 1 , 28 , 37744 },/* 30 29 29 30 29 29 30 30 29 30 30 30 29 384 1999 */{ 0 , 2 , 16 , 37600 },/* 30 29 29 30 29 29 30 29 30 30 30 29 0 354 2000 */{ 0 , 2 , 5 , 51552 },/* 30 30 29 29 30 29 29 30 29 30 30 29 0 354 2001 */{ 4 , 1 , 24 , 58536 },/* 30 30 30 29 29 30 29 29 30 29 30 29 30 384 2002 */{ 0 , 2 , 12 , 54432 },/* 30 30 29 30 29 30 29 29 30 29 30 29 0 354 2003 */{ 0 , 2 , 1 , 55888 },/* 30 30 29 30 30 29 30 29 29 30 29 30 0 355 2004 */{ 2 , 1 , 22 , 23208 },/* 29 30 29 30 30 29 30 29 30 29 30 29 30 384 2005 */{ 0 , 2 , 9 , 22208 },/* 29 30 29 30 29 30 30 29 30 30 29 29 0 354 2006 */{ 7 , 1 , 29 , 43736 },/* 30 29 30 29 30 29 30 29 30 30 29 30 30 385 2007 */{ 0 , 2 , 18 , 9680 },/* 29 29 30 29 29 30 29 30 30 30 29 30 0 354 2008 */{ 0 , 2 , 7 , 37584 },/* 30 29 29 30 29 29 30 29 30 30 29 30 0 354 2009 */{ 5 , 1 , 26 , 51544 },/* 30 30 29 29 30 29 29 30 29 30 29 30 30 384 2010 */{ 0 , 2 , 14 , 43344 },/* 30 29 30 29 30 29 29 30 29 30 29 30 0 354 2011 */{ 0 , 2 , 3 , 46240 },/* 30 29 30 30 29 30 29 29 30 29 30 29 0 354 2012 */{ 3 , 1 , 23 , 47696 },/* 30 29 30 30 30 29 30 29 29 30 29 30 29 384 2013 */{ 0 , 2 , 10 , 46416 },/* 30 29 30 30 29 30 29 30 29 30 29 30 0 355 2014 */{ 9 , 1 , 31 , 21928 },/* 29 30 29 30 29 30 29 30 30 29 30 29 30 384 2015 */{ 0 , 2 , 19 , 19360 },/* 29 30 29 29 30 29 30 30 30 29 30 29 0 354 2016 */{ 0 , 2 , 8 , 42416 },/* 30 29 30 29 29 30 29 30 30 29 30 30 0 355 2017 */{ 5 , 1 , 28 , 21176 },/* 29 30 29 30 29 29 30 29 30 29 30 30 30 384 2018 */{ 0 , 2 , 16 , 21168 },/* 29 30 29 30 29 29 30 29 30 29 30 30 0 354 2019 */{ 0 , 2 , 5 , 43344 },/* 30 29 30 29 30 29 29 30 29 30 29 30 0 354 2020 */{ 4 , 1 , 25 , 46248 },/* 30 29 30 30 29 30 29 29 30 29 30 29 30 384 2021 */{ 0 , 2 , 12 , 27296 },/* 29 30 30 29 30 29 30 29 30 29 30 29 0 354 2022 */{ 0 , 2 , 1 , 44368 },/* 30 29 30 29 30 30 29 30 29 30 29 30 0 355 2023 */{ 2 , 1 , 22 , 21928 },/* 29 30 29 30 29 30 29 30 30 29 30 29 30 384 2024 */{ 0 , 2 , 10 , 19296 },/* 29 30 29 29 30 29 30 30 29 30 30 29 0 354 2025 */{ 6 , 1 , 29 , 42352 },/* 30 29 30 29 29 30 29 30 29 30 30 30 29 384 2026 */{ 0 , 2 , 17 , 42352 },/* 30 29 30 29 29 30 29 30 29 30 30 30 0 355 2027 */{ 0 , 2 , 7 , 21104 },/* 29 30 29 30 29 29 30 29 29 30 30 30 0 354 2028 */{ 5 , 1 , 27 , 26928 },/* 29 30 30 29 30 29 29 30 29 29 30 30 29 383 2029 */{ 0 , 2 , 13 , 55600 },/* 30 30 29 30 30 29 29 30 29 29 30 30 0 355 2030 */{ 0 , 2 , 3 , 23200 },/* 29 30 29 30 30 29 30 29 30 29 30 29 0 354 2031 */{ 3 , 1 , 23 , 43856 },/* 30 29 30 29 30 29 30 30 29 30 29 30 29 384 2032 */{ 0 , 2 , 11 , 38608 },/* 30 29 29 30 29 30 30 29 30 30 29 30 0 355 2033 */{ 11 , 1 , 31 , 19176 },/* 29 30 29 29 30 29 30 29 30 30 30 29 30 384 2034 */{ 0 , 2 , 19 , 19168 },/* 29 30 29 29 30 29 30 29 30 30 30 29 0 354 2035 */{ 0 , 2 , 8 , 42192 },/* 30 29 30 29 29 30 29 29 30 30 29 30 0 354 2036 */{ 6 , 1 , 28 , 53864 },/* 30 30 29 30 29 29 30 29 29 30 30 29 30 384 2037 */{ 0 , 2 , 15 , 53840 },/* 30 30 29 30 29 29 30 29 29 30 29 30 0 354 2038 */{ 0 , 2 , 4 , 54560 },/* 30 30 29 30 29 30 29 30 29 29 30 29 0 354 2039 */{ 5 , 1 , 24 , 55968 },/* 30 30 29 30 30 29 30 29 30 29 30 29 29 384 2040 */{ 0 , 2 , 12 , 46752 },/* 30 29 30 30 29 30 30 29 30 29 30 29 0 355 2041 */{ 0 , 2 , 1 , 38608 },/* 30 29 29 30 29 30 30 29 30 30 29 30 0 355 2042 */{ 2 , 1 , 22 , 19160 },/* 29 30 29 29 30 29 30 29 30 30 29 30 30 384 2043 */{ 0 , 2 , 10 , 18864 },/* 29 30 29 29 30 29 29 30 30 29 30 30 0 354 2044 */{ 7 , 1 , 30 , 42168 },/* 30 29 30 29 29 30 29 29 30 29 30 30 30 384 2045 */{ 0 , 2 , 17 , 42160 },/* 30 29 30 29 29 30 29 29 30 29 30 30 0 354 2046 */{ 0 , 2 , 6 , 45648 },/* 30 29 30 30 29 29 30 29 29 30 29 30 0 354 2047 */{ 5 , 1 , 26 , 46376 },/* 30 29 30 30 29 30 29 30 29 29 30 29 30 384 2048 */{ 0 , 2 , 14 , 27968 },/* 29 30 30 29 30 30 29 30 29 30 29 29 0 354 2049 */{ 0 , 2 , 2 , 44448 },/* 30 29 30 29 30 30 29 30 30 29 30 29 0 355 */ }; internal override int MinCalendarYear { get { return (MIN_LUNISOLAR_YEAR); } } internal override int MaxCalendarYear { get { return (MAX_LUNISOLAR_YEAR); } } internal override DateTime MinDate { get { return (minDate); } } internal override DateTime MaxDate { get { return (maxDate); } } internal override EraInfo[] CalEraInfo { get { return (JapaneseCalendar.GetEraInfo()); } } internal override int GetYearInfo(int LunarYear, int Index) { if ((LunarYear < MIN_LUNISOLAR_YEAR) || (LunarYear > MAX_LUNISOLAR_YEAR)) { throw new ArgumentOutOfRangeException( "year", String.Format( CultureInfo.CurrentCulture, SR.ArgumentOutOfRange_Range, MIN_LUNISOLAR_YEAR, MAX_LUNISOLAR_YEAR)); } Contract.EndContractBlock(); return s_yinfo[LunarYear - MIN_LUNISOLAR_YEAR, Index]; } internal override int GetYear(int year, DateTime time) { return helper.GetYear(year, time); } internal override int GetGregorianYear(int year, int era) { return helper.GetGregorianYear(year, era); } // Trim off the eras that are before our date range private static EraInfo[] TrimEras(EraInfo[] baseEras) { EraInfo[] newEras = new EraInfo[baseEras.Length]; int newIndex = 0; // Eras have most recent first, so start with that for (int i = 0; i < baseEras.Length; i++) { // If this one's minimum year is bigger than our maximum year // then we can't use it. if (baseEras[i].yearOffset + baseEras[i].minEraYear >= MAX_LUNISOLAR_YEAR) { // skip this one. continue; } // If this one's maximum era is less than our minimum era // then we've gotten too low in the era #s, so we're done if (baseEras[i].yearOffset + baseEras[i].maxEraYear < MIN_LUNISOLAR_YEAR) { break; } // Wasn't too large or too small, can use this one newEras[newIndex] = baseEras[i]; newIndex++; } // If we didn't copy any then something was wrong, just return base if (newIndex == 0) return baseEras; // Resize the output array Array.Resize(ref newEras, newIndex); return newEras; } // Construct an instance of JapaneseLunisolar calendar. public JapaneseLunisolarCalendar() { helper = new GregorianCalendarHelper(this, TrimEras(JapaneseCalendar.GetEraInfo())); } public override int GetEra(DateTime time) { return (helper.GetEra(time)); } internal override CalendarId BaseCalendarID { get { return (CalendarId.JAPAN); } } internal override CalendarId ID { get { return (CalendarId.JAPANESELUNISOLAR); } } public override int[] Eras { get { return (helper.Eras); } } } }