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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.Diagnostics.Contracts;
namespace System.Globalization
{
/*
** 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);
}
}
}
}
|
