Code:
/ DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / clr / src / BCL / System / Globalization / UmAlQuraCalendar.cs / 1 / UmAlQuraCalendar.cs
// ==++==
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
// ==--==
namespace System.Globalization {
using System;
////////////////////////////////////////////////////////////////////////////
//
// Notes about UmAlQuraCalendar
//
////////////////////////////////////////////////////////////////////////////
/*
** Calendar support range:
** Calendar Minimum Maximum
** ========== ========== ==========
** Gregorian 1900/04/30 2029/05/13
** UmAlQura 1318/01/01 1450/12/29
*/
[Serializable]
public class UmAlQuraCalendar : Calendar {
internal const int MinCalendarYear = 1318;
internal const int MaxCalendarYear = 1450;
internal struct DateMapping
{
internal DateMapping(int MonthsLengthFlags, int GYear, int GMonth, int GDay)
{
HijriMonthsLengthFlags = MonthsLengthFlags;
GregorianDate = new DateTime(GYear, GMonth, GDay);
}
internal int HijriMonthsLengthFlags;
internal DateTime GregorianDate;
}
//These data is taken from Tables/Excel/UmAlQura.xls please make sure that the two places are in sync
static readonly DateMapping [] HijriYearInfo = {
/* DaysPerM GY GM GD D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 D12
1318*/new DateMapping (0x02EA, 1900, 4, 30),/* 0 1 0 1 0 1 1 1 0 1 0 0 4/30/1900
1319*/new DateMapping (0x06E9, 1901, 4, 19),/* 1 0 0 1 0 1 1 1 0 1 1 0 4/19/1901
1320*/new DateMapping (0x0ED2, 1902, 4, 9),/* 0 1 0 0 1 0 1 1 0 1 1 1 4/9/1902
1321*/new DateMapping (0x0EA4, 1903, 3, 30),/* 0 0 1 0 0 1 0 1 0 1 1 1 3/30/1903
1322*/new DateMapping (0x0D4A, 1904, 3, 18),/* 0 1 0 1 0 0 1 0 1 0 1 1 3/18/1904
1323*/new DateMapping (0x0A96, 1905, 3, 7),/* 0 1 1 0 1 0 0 1 0 1 0 1 3/7/1905
1324*/new DateMapping (0x0536, 1906, 2, 24),/* 0 1 1 0 1 1 0 0 1 0 1 0 2/24/1906
1325*/new DateMapping (0x0AB5, 1907, 2, 13),/* 1 0 1 0 1 1 0 1 0 1 0 1 2/13/1907
1326*/new DateMapping (0x0DAA, 1908, 2, 3),/* 0 1 0 1 0 1 0 1 1 0 1 1 2/3/1908
1327*/new DateMapping (0x0BA4, 1909, 1, 23),/* 0 0 1 0 0 1 0 1 1 1 0 1 1/23/1909
1328*/new DateMapping (0x0B49, 1910, 1, 12),/* 1 0 0 1 0 0 1 0 1 1 0 1 1/12/1910
1329*/new DateMapping (0x0A93, 1911, 1, 1),/* 1 1 0 0 1 0 0 1 0 1 0 1 1/1/1911
1330*/new DateMapping (0x052B, 1911, 12, 21),/* 1 1 0 1 0 1 0 0 1 0 1 0 12/21/1911
1331*/new DateMapping (0x0A57, 1912, 12, 9),/* 1 1 1 0 1 0 1 0 0 1 0 1 12/9/1912
1332*/new DateMapping (0x04B6, 1913, 11, 29),/* 0 1 1 0 1 1 0 1 0 0 1 0 11/29/1913
1333*/new DateMapping (0x0AB5, 1914, 11, 18),/* 1 0 1 0 1 1 0 1 0 1 0 1 11/18/1914
1334*/new DateMapping (0x05AA, 1915, 11, 8),/* 0 1 0 1 0 1 0 1 1 0 1 0 11/8/1915
1335*/new DateMapping (0x0D55, 1916, 10, 27),/* 1 0 1 0 1 0 1 0 1 0 1 1 10/27/1916
1336*/new DateMapping (0x0D2A, 1917, 10, 17),/* 0 1 0 1 0 1 0 0 1 0 1 1 10/17/1917
1337*/new DateMapping (0x0A56, 1918, 10, 6),/* 0 1 1 0 1 0 1 0 0 1 0 1 10/6/1918
1338*/new DateMapping (0x04AE, 1919, 9, 25),/* 0 1 1 1 0 1 0 1 0 0 1 0 9/25/1919
1339*/new DateMapping (0x095D, 1920, 9, 13),/* 1 0 1 1 1 0 1 0 1 0 0 1 9/13/1920
1340*/new DateMapping (0x02EC, 1921, 9, 3),/* 0 0 1 1 0 1 1 1 0 1 0 0 9/3/1921
1341*/new DateMapping (0x06D5, 1922, 8, 23),/* 1 0 1 0 1 0 1 1 0 1 1 0 8/23/1922
1342*/new DateMapping (0x06AA, 1923, 8, 13),/* 0 1 0 1 0 1 0 1 0 1 1 0 8/13/1923
1343*/new DateMapping (0x0555, 1924, 8, 1),/* 1 0 1 0 1 0 1 0 1 0 1 0 8/1/1924
1344*/new DateMapping (0x04AB, 1925, 7, 21),/* 1 1 0 1 0 1 0 1 0 0 1 0 7/21/1925
1345*/new DateMapping (0x095B, 1926, 7, 10),/* 1 1 0 1 1 0 1 0 1 0 0 1 7/10/1926
1346*/new DateMapping (0x02BA, 1927, 6, 30),/* 0 1 0 1 1 1 0 1 0 1 0 0 6/30/1927
1347*/new DateMapping (0x0575, 1928, 6, 18),/* 1 0 1 0 1 1 1 0 1 0 1 0 6/18/1928
1348*/new DateMapping (0x0BB2, 1929, 6, 8),/* 0 1 0 0 1 1 0 1 1 1 0 1 6/8/1929
1349*/new DateMapping (0x0764, 1930, 5, 29),/* 0 0 1 0 0 1 1 0 1 1 1 0 5/29/1930
1350*/new DateMapping (0x0749, 1931, 5, 18),/* 1 0 0 1 0 0 1 0 1 1 1 0 5/18/1931
1351*/new DateMapping (0x0655, 1932, 5, 6),/* 1 0 1 0 1 0 1 0 0 1 1 0 5/6/1932
1352*/new DateMapping (0x02AB, 1933, 4, 25),/* 1 1 0 1 0 1 0 1 0 1 0 0 4/25/1933
1353*/new DateMapping (0x055B, 1934, 4, 14),/* 1 1 0 1 1 0 1 0 1 0 1 0 4/14/1934
1354*/new DateMapping (0x0ADA, 1935, 4, 4),/* 0 1 0 1 1 0 1 1 0 1 0 1 4/4/1935
1355*/new DateMapping (0x06D4, 1936, 3, 24),/* 0 0 1 0 1 0 1 1 0 1 1 0 3/24/1936
1356*/new DateMapping (0x0EC9, 1937, 3, 13),/* 1 0 0 1 0 0 1 1 0 1 1 1 3/13/1937
1357*/new DateMapping (0x0D92, 1938, 3, 3),/* 0 1 0 0 1 0 0 1 1 0 1 1 3/3/1938
1358*/new DateMapping (0x0D25, 1939, 2, 20),/* 1 0 1 0 0 1 0 0 1 0 1 1 2/20/1939
1359*/new DateMapping (0x0A4D, 1940, 2, 9),/* 1 0 1 1 0 0 1 0 0 1 0 1 2/9/1940
1360*/new DateMapping (0x02AD, 1941, 1, 28),/* 1 0 1 1 0 1 0 1 0 1 0 0 1/28/1941
1361*/new DateMapping (0x056D, 1942, 1, 17),/* 1 0 1 1 0 1 1 0 1 0 1 0 1/17/1942
1362*/new DateMapping (0x0B6A, 1943, 1, 7),/* 0 1 0 1 0 1 1 0 1 1 0 1 1/7/1943
1363*/new DateMapping (0x0B52, 1943, 12, 28),/* 0 1 0 0 1 0 1 0 1 1 0 1 12/28/1943
1364*/new DateMapping (0x0AA5, 1944, 12, 16),/* 1 0 1 0 0 1 0 1 0 1 0 1 12/16/1944
1365*/new DateMapping (0x0A4B, 1945, 12, 5),/* 1 1 0 1 0 0 1 0 0 1 0 1 12/5/1945
1366*/new DateMapping (0x0497, 1946, 11, 24),/* 1 1 1 0 1 0 0 1 0 0 1 0 11/24/1946
1367*/new DateMapping (0x0937, 1947, 11, 13),/* 1 1 1 0 1 1 0 0 1 0 0 1 11/13/1947
1368*/new DateMapping (0x02B6, 1948, 11, 2),/* 0 1 1 0 1 1 0 1 0 1 0 0 11/2/1948
1369*/new DateMapping (0x0575, 1949, 10, 22),/* 1 0 1 0 1 1 1 0 1 0 1 0 10/22/1949
1370*/new DateMapping (0x0D6A, 1950, 10, 12),/* 0 1 0 1 0 1 1 0 1 0 1 1 10/12/1950
1371*/new DateMapping (0x0D52, 1951, 10, 2),/* 0 1 0 0 1 0 1 0 1 0 1 1 10/2/1951
1372*/new DateMapping (0x0A96, 1952, 9, 20),/* 0 1 1 0 1 0 0 1 0 1 0 1 9/20/1952
1373*/new DateMapping (0x092D, 1953, 9, 9),/* 1 0 1 1 0 1 0 0 1 0 0 1 9/9/1953
1374*/new DateMapping (0x025D, 1954, 8, 29),/* 1 0 1 1 1 0 1 0 0 1 0 0 8/29/1954
1375*/new DateMapping (0x04DD, 1955, 8, 18),/* 1 0 1 1 1 0 1 1 0 0 1 0 8/18/1955
1376*/new DateMapping (0x0ADA, 1956, 8, 7),/* 0 1 0 1 1 0 1 1 0 1 0 1 8/7/1956
1377*/new DateMapping (0x05D4, 1957, 7, 28),/* 0 0 1 0 1 0 1 1 1 0 1 0 7/28/1957
1378*/new DateMapping (0x0DA9, 1958, 7, 17),/* 1 0 0 1 0 1 0 1 1 0 1 1 7/17/1958
1379*/new DateMapping (0x0D52, 1959, 7, 7),/* 0 1 0 0 1 0 1 0 1 0 1 1 7/7/1959
1380*/new DateMapping (0x0AAA, 1960, 6, 25),/* 0 1 0 1 0 1 0 1 0 1 0 1 6/25/1960
1381*/new DateMapping (0x04D6, 1961, 6, 14),/* 0 1 1 0 1 0 1 1 0 0 1 0 6/14/1961
1382*/new DateMapping (0x09B6, 1962, 6, 3),/* 0 1 1 0 1 1 0 1 1 0 0 1 6/3/1962
1383*/new DateMapping (0x0374, 1963, 5, 24),/* 0 0 1 0 1 1 1 0 1 1 0 0 5/24/1963
1384*/new DateMapping (0x0769, 1964, 5, 12),/* 1 0 0 1 0 1 1 0 1 1 1 0 5/12/1964
1385*/new DateMapping (0x0752, 1965, 5, 2),/* 0 1 0 0 1 0 1 0 1 1 1 0 5/2/1965
1386*/new DateMapping (0x06A5, 1966, 4, 21),/* 1 0 1 0 0 1 0 1 0 1 1 0 4/21/1966
1387*/new DateMapping (0x054B, 1967, 4, 10),/* 1 1 0 1 0 0 1 0 1 0 1 0 4/10/1967
1388*/new DateMapping (0x0AAB, 1968, 3, 29),/* 1 1 0 1 0 1 0 1 0 1 0 1 3/29/1968
1389*/new DateMapping (0x055A, 1969, 3, 19),/* 0 1 0 1 1 0 1 0 1 0 1 0 3/19/1969
1390*/new DateMapping (0x0AD5, 1970, 3, 8),/* 1 0 1 0 1 0 1 1 0 1 0 1 3/8/1970
1391*/new DateMapping (0x0DD2, 1971, 2, 26),/* 0 1 0 0 1 0 1 1 1 0 1 1 2/26/1971
1392*/new DateMapping (0x0DA4, 1972, 2, 16),/* 0 0 1 0 0 1 0 1 1 0 1 1 2/16/1972
1393*/new DateMapping (0x0D49, 1973, 2, 4),/* 1 0 0 1 0 0 1 0 1 0 1 1 2/4/1973
1394*/new DateMapping (0x0A95, 1974, 1, 24),/* 1 0 1 0 1 0 0 1 0 1 0 1 1/24/1974
1395*/new DateMapping (0x052D, 1975, 1, 13),/* 1 0 1 1 0 1 0 0 1 0 1 0 1/13/1975
1396*/new DateMapping (0x0A5D, 1976, 1, 2),/* 1 0 1 1 1 0 1 0 0 1 0 1 1/2/1976
1397*/new DateMapping (0x055A, 1976, 12, 22),/* 0 1 0 1 1 0 1 0 1 0 1 0 12/22/1976
1398*/new DateMapping (0x0AD5, 1977, 12, 11),/* 1 0 1 0 1 0 1 1 0 1 0 1 12/11/1977
1399*/new DateMapping (0x06AA, 1978, 12, 1),/* 0 1 0 1 0 1 0 1 0 1 1 0 12/1/1978
1400*/new DateMapping (0x0695, 1979, 11, 20),/* 1 0 1 0 1 0 0 1 0 1 1 0 11/20/1979
1401*/new DateMapping (0x052B, 1980, 11, 8),/* 1 1 0 1 0 1 0 0 1 0 1 0 11/8/1980
1402*/new DateMapping (0x0A57, 1981, 10, 28),/* 1 1 1 0 1 0 1 0 0 1 0 1 10/28/1981
1403*/new DateMapping (0x04AE, 1982, 10, 18),/* 0 1 1 1 0 1 0 1 0 0 1 0 10/18/1982
1404*/new DateMapping (0x0976, 1983, 10, 7),/* 0 1 1 0 1 1 1 0 1 0 0 1 10/7/1983
1405*/new DateMapping (0x056C, 1984, 9, 26),/* 0 0 1 1 0 1 1 0 1 0 1 0 9/26/1984
1406*/new DateMapping (0x0B55, 1985, 9, 15),/* 1 0 1 0 1 0 1 0 1 1 0 1 9/15/1985
1407*/new DateMapping (0x0AAA, 1986, 9, 5),/* 0 1 0 1 0 1 0 1 0 1 0 1 9/5/1986
1408*/new DateMapping (0x0A55, 1987, 8, 25),/* 1 0 1 0 1 0 1 0 0 1 0 1 8/25/1987
1409*/new DateMapping (0x04AD, 1988, 8, 13),/* 1 0 1 1 0 1 0 1 0 0 1 0 8/13/1988
1410*/new DateMapping (0x095D, 1989, 8, 2),/* 1 0 1 1 1 0 1 0 1 0 0 1 8/2/1989
1411*/new DateMapping (0x02DA, 1990, 7, 23),/* 0 1 0 1 1 0 1 1 0 1 0 0 7/23/1990
1412*/new DateMapping (0x05D9, 1991, 7, 12),/* 1 0 0 1 1 0 1 1 1 0 1 0 7/12/1991
1413*/new DateMapping (0x0DB2, 1992, 7, 1),/* 0 1 0 0 1 1 0 1 1 0 1 1 7/1/1992
1414*/new DateMapping (0x0BA4, 1993, 6, 21),/* 0 0 1 0 0 1 0 1 1 1 0 1 6/21/1993
1415*/new DateMapping (0x0B4A, 1994, 6, 10),/* 0 1 0 1 0 0 1 0 1 1 0 1 6/10/1994
1416*/new DateMapping (0x0A55, 1995, 5, 30),/* 1 0 1 0 1 0 1 0 0 1 0 1 5/30/1995
1417*/new DateMapping (0x02B5, 1996, 5, 18),/* 1 0 1 0 1 1 0 1 0 1 0 0 5/18/1996
1418*/new DateMapping (0x0575, 1997, 5, 7),/* 1 0 1 0 1 1 1 0 1 0 1 0 5/7/1997
1419*/new DateMapping (0x0B6A, 1998, 4, 27),/* 0 1 0 1 0 1 1 0 1 1 0 1 4/27/1998
1420*/new DateMapping (0x0BD2, 1999, 4, 17),/* 0 1 0 0 1 0 1 1 1 1 0 1 4/17/1999
1421*/new DateMapping (0x0BC4, 2000, 4, 6),/* 0 0 1 0 0 0 1 1 1 1 0 1 4/6/2000
1422*/new DateMapping (0x0B89, 2001, 3, 26),/* 1 0 0 1 0 0 0 1 1 1 0 1 3/26/2001
1423*/new DateMapping (0x0A95, 2002, 3, 15),/* 1 0 1 0 1 0 0 1 0 1 0 1 3/15/2002
1424*/new DateMapping (0x052D, 2003, 3, 4),/* 1 0 1 1 0 1 0 0 1 0 1 0 3/4/2003
1425*/new DateMapping (0x05AD, 2004, 2, 21),/* 1 0 1 1 0 1 0 1 1 0 1 0 2/21/2004
1426*/new DateMapping (0x0B6A, 2005, 2, 10),/* 0 1 0 1 0 1 1 0 1 1 0 1 2/10/2005
1427*/new DateMapping (0x06D4, 2006, 1, 31),/* 0 0 1 0 1 0 1 1 0 1 1 0 1/31/2006
1428*/new DateMapping (0x0DC9, 2007, 1, 20),/* 1 0 0 1 0 0 1 1 1 0 1 1 1/20/2007
1429*/new DateMapping (0x0D92, 2008, 1, 10),/* 0 1 0 0 1 0 0 1 1 0 1 1 1/10/2008
1430*/new DateMapping (0x0AA6, 2008, 12, 29),/* 0 1 1 0 0 1 0 1 0 1 0 1 12/29/2008
1431*/new DateMapping (0x0956, 2009, 12, 18),/* 0 1 1 0 1 0 1 0 1 0 0 1 12/18/2009
1432*/new DateMapping (0x02AE, 2010, 12, 7),/* 0 1 1 1 0 1 0 1 0 1 0 0 12/7/2010
1433*/new DateMapping (0x056D, 2011, 11, 26),/* 1 0 1 1 0 1 1 0 1 0 1 0 11/26/2011
1434*/new DateMapping (0x036A, 2012, 11, 15),/* 0 1 0 1 0 1 1 0 1 1 0 0 11/15/2012
1435*/new DateMapping (0x0B55, 2013, 11, 4),/* 1 0 1 0 1 0 1 0 1 1 0 1 11/4/2013
1436*/new DateMapping (0x0AAA, 2014, 10, 25),/* 0 1 0 1 0 1 0 1 0 1 0 1 10/25/2014
1437*/new DateMapping (0x094D, 2015, 10, 14),/* 1 0 1 1 0 0 1 0 1 0 0 1 10/14/2015
1438*/new DateMapping (0x049D, 2016, 10, 2),/* 1 0 1 1 1 0 0 1 0 0 1 0 10/2/2016
1439*/new DateMapping (0x095D, 2017, 9, 21),/* 1 0 1 1 1 0 1 0 1 0 0 1 9/21/2017
1440*/new DateMapping (0x02BA, 2018, 9, 11),/* 0 1 0 1 1 1 0 1 0 1 0 0 9/11/2018
1441*/new DateMapping (0x05B5, 2019, 8, 31),/* 1 0 1 0 1 1 0 1 1 0 1 0 8/31/2019
1442*/new DateMapping (0x05AA, 2020, 8, 20),/* 0 1 0 1 0 1 0 1 1 0 1 0 8/20/2020
1443*/new DateMapping (0x0D55, 2021, 8, 9),/* 1 0 1 0 1 0 1 0 1 0 1 1 8/9/2021
1444*/new DateMapping (0x0A9A, 2022, 7, 30),/* 0 1 0 1 1 0 0 1 0 1 0 1 7/30/2022
1445*/new DateMapping (0x092E, 2023, 7, 19),/* 0 1 1 1 0 1 0 0 1 0 0 1 7/19/2023
1446*/new DateMapping (0x026E, 2024, 7, 7),/* 0 1 1 1 0 1 1 0 0 1 0 0 7/7/2024
1447*/new DateMapping (0x055D, 2025, 6, 26),/* 1 0 1 1 1 0 1 0 1 0 1 0 6/26/2025
1448*/new DateMapping (0x0ADA, 2026, 6, 16),/* 0 1 0 1 1 0 1 1 0 1 0 1 6/16/2026
1449*/new DateMapping (0x06D4, 2027, 6, 6),/* 0 0 1 0 1 0 1 1 0 1 1 0 6/6/2027
1450*/new DateMapping (0x06A5, 2028, 5, 25),/* 1 0 1 0 0 1 0 1 0 1 1 0 5/25/2028
1451*/new DateMapping ( 0, 2029, 5, 14),/* 0 0 0 0 0 0 0 0 0 0 0 0 5/14/2029
*/ };
public const int UmAlQuraEra = 1;
internal const int DateCycle = 30;
internal const int DatePartYear = 0;
internal const int DatePartDayOfYear = 1;
internal const int DatePartMonth = 2;
internal const int DatePartDay = 3;
internal static short[] gmonth ={31,31,28,31,30,31,30,31,31,30,31,30,31,31};/* makes it circular m[0]=m[12] & m[13]=m[1] */
//internal static Calendar m_defaultInstance;
// This is the minimal Gregorian date that we support in the UmAlQuraCalendar.
internal static DateTime minDate = new DateTime(1900, 4, 30);
internal static DateTime maxDate = new DateTime((new DateTime(2029, 5, 13, 23, 59, 59, 999)).Ticks + 9999);
/*=================================GetDefaultInstance==========================
**Action: Internal method to provide a default intance of UmAlQuraCalendar. Used by NLS+ implementation
** and other calendars.
**Returns:
**Arguments:
**Exceptions:
============================================================================*/
/*
internal static Calendar GetDefaultInstance() {
if (m_defaultInstance == null) {
m_defaultInstance = new UmAlQuraCalendar();
}
return (m_defaultInstance);
}
*/
public override DateTime MinSupportedDateTime
{
get
{
return (minDate);
}
}
public override DateTime MaxSupportedDateTime
{
get
{
return (maxDate);
}
}
// Return the type of the UmAlQura calendar.
//
public override CalendarAlgorithmType AlgorithmType {
get {
return CalendarAlgorithmType.LunarCalendar;
}
}
// Construct an instance of UmAlQura calendar.
public UmAlQuraCalendar() {
}
internal override int BaseCalendarID {
get {
return (CAL_HIJRI);
}
}
internal override int ID {
get {
return (CAL_UMALQURA);
}
}
/*==========================ConvertHijriToGregorian==========================
** Purpose: convert Hdate(year,month,day) to Gdate(year,month,day)
** Arguments:
** Input/Ouput: Hijrah date: year:yh, month:mh, day:dh
** Output: Gregorian date: year:yg, month:mg, day:dg , day of week:dayweek
** and returns flag found:1 not found:0
=========================ConvertHijriToGregorian============================*/
void ConvertHijriToGregorian(int HijriYear, int HijriMonth, int HijriDay, ref int yg, ref int mg, ref int dg)
{
BCLDebug.Assert( (HijriYear >= MinCalendarYear) && (HijriYear <= MaxCalendarYear), "Hijri year is out of range.");
BCLDebug.Assert( HijriMonth >= 1, "Hijri month is out of range.");
BCLDebug.Assert( HijriDay >= 1, "Hijri day is out of range.");
int index, b, nDays = HijriDay-1;
DateTime dt;
index = HijriYear - MinCalendarYear;
dt = HijriYearInfo[index].GregorianDate;
b = HijriYearInfo[index].HijriMonthsLengthFlags;
for(int m = 1; m < HijriMonth; m++)
{
nDays = nDays+ 29 + (b&1); /* Add the months lengths before mh */
b = b >> 1;
}
dt = dt.AddDays(nDays);
yg = dt.Year;
mg = dt.Month;
dg = dt.Day;
}
/*=================================GetAbsoluteDateUmAlQura==========================
**Action: Gets the Absolute date for the given UmAlQura date. The absolute date means
** the number of days from January 1st, 1 A.D.
**Returns:
**Arguments:
**Exceptions:
============================================================================*/
long GetAbsoluteDateUmAlQura(int year, int month, int day) {
//Caller should check the validaty of year, month and day.
int yg=0,mg=0,dg=0;
ConvertHijriToGregorian(year, month, day, ref yg, ref mg, ref dg);
return GregorianCalendar.GetAbsoluteDate(yg,mg,dg);
}
internal void CheckTicksRange(long ticks) {
if (ticks < minDate.Ticks || ticks > maxDate.Ticks) {
throw new ArgumentOutOfRangeException(
"time",
String.Format(
CultureInfo.InvariantCulture,
Environment.GetResourceString("ArgumentOutOfRange_CalendarRange"),
minDate,
maxDate));
}
}
internal void CheckEraRange(int era) {
if (era != CurrentEra && era != UmAlQuraEra) {
throw new ArgumentOutOfRangeException("era", Environment.GetResourceString("ArgumentOutOfRange_InvalidEraValue"));
}
}
internal void CheckYearRange(int year, int era) {
CheckEraRange(era);
if (year < MinCalendarYear || year > MaxCalendarYear) {
throw new ArgumentOutOfRangeException(
"year",
String.Format(
CultureInfo.CurrentCulture,
Environment.GetResourceString("ArgumentOutOfRange_Range"),
MinCalendarYear,
MaxCalendarYear));
}
}
internal void CheckYearMonthRange(int year, int month, int era) {
CheckYearRange(year, era);
if (month < 1 || month > 12) {
throw new ArgumentOutOfRangeException("month", Environment.GetResourceString("ArgumentOutOfRange_Month"));
}
}
/*========================ConvertGregorianToHijri============================
** Purpose: convert DateTime to Hdate(year,month,day)
** Arguments:
** Input: DateTime
** Output: Hijrah date: year:yh, month:mh, day:dh
============================================================================*/
void ConvertGregorianToHijri(DateTime time, ref int HijriYear, ref int HijriMonth, ref int HijriDay)
{
int index, b, DaysPerThisMonth;
double nDays;
TimeSpan ts;
int yh1=0, mh1=0, dh1=0;
BCLDebug.Assert((time.Ticks >= minDate.Ticks) && (time.Ticks <= maxDate.Ticks), "Gregorian date is out of range.");
// Find the index where we should start our search by quessing the Hijri year that we will be in HijriYearInfo.
// A Hijri year is 354 or 355 days. Use 355 days so that we will search from a lower index.
index = (int)((time.Ticks - minDate.Ticks) / Calendar.TicksPerDay) / 355;
do
{
} while (time.CompareTo(HijriYearInfo[++index].GregorianDate)>0); //while greater
if (time.CompareTo(HijriYearInfo[index].GregorianDate) != 0)
{
index--;
}
ts = time.Subtract(HijriYearInfo[index].GregorianDate);
yh1 = index + MinCalendarYear;
mh1 = 1;
dh1 = 1;
nDays = ts.TotalDays;
b = HijriYearInfo[index].HijriMonthsLengthFlags;
DaysPerThisMonth = 29 + (b&1);
while (nDays >= DaysPerThisMonth)
{
nDays -= DaysPerThisMonth;
b = b >> 1;
DaysPerThisMonth = 29 + (b&1);
mh1++;
}
dh1 += (int)nDays;
HijriDay = dh1;
HijriMonth = mh1;
HijriYear = yh1;
}
/*=================================GetDatePart==========================
**Action: Returns a given date part of this DateTime. This method is used
** to compute the year, day-of-year, month, or day part.
**Returns:
**Arguments:
**Exceptions: ArgumentException if part is incorrect.
**Notes:
** First, we get the absolute date (the number of days from January 1st, 1 A.C) for the given ticks.
** Use the formula (((AbsoluteDate - 226894) * 33) / (33 * 365 + 8)) + 1, we can a rough value for the UmAlQura year.
** In order to get the exact UmAlQura year, we compare the exact absolute date for UmAlQuraYear and (UmAlQuraYear + 1).
** From here, we can get the correct UmAlQura year.
============================================================================*/
internal virtual int GetDatePart(DateTime time, int part) {
int UmAlQuraYear=0; // UmAlQura year
int UmAlQuraMonth=0; // UmAlQura month
int UmAlQuraDay=0; // UmAlQura day
long ticks = time.Ticks;
CheckTicksRange(ticks);
ConvertGregorianToHijri(time, ref UmAlQuraYear, ref UmAlQuraMonth, ref UmAlQuraDay);
if (part == DatePartYear)
return (UmAlQuraYear);
if (part == DatePartMonth)
return (UmAlQuraMonth);
if (part == DatePartDay)
return (UmAlQuraDay);
if (part == DatePartDayOfYear)
return (int)(GetAbsoluteDateUmAlQura(UmAlQuraYear, UmAlQuraMonth, UmAlQuraDay) - GetAbsoluteDateUmAlQura(UmAlQuraYear, 1, 1) + 1);
// Incorrect part value.
throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_DateTimeParsing"));
}
// Returns the DateTime resulting from adding the given number of
// months to the specified DateTime. The result is computed by incrementing
// (or decrementing) the year and month parts of the specified DateTime by
// value months, and, if required, adjusting the day part of the
// resulting date downwards to the last day of the resulting month in the
// resulting year. The time-of-day part of the result is the same as the
// time-of-day part of the specified DateTime.
//
// In more precise terms, considering the specified DateTime to be of the
// form y / m / d + t, where y is the
// year, m is the month, d is the day, and t is the
// time-of-day, the result is y1 / m1 / d1 + t,
// where y1 and m1 are computed by adding value months
// to y and m, and d1 is the largest value less than
// or equal to d that denotes a valid day in month m1 of year
// y1.
//
public override DateTime AddMonths(DateTime time, int months) {
if (months < -120000 || months > 120000) {
throw new ArgumentOutOfRangeException(
"months",
String.Format(
CultureInfo.CurrentCulture,
Environment.GetResourceString("ArgumentOutOfRange_Range"),
-120000,
120000));
}
// Get the date in UmAlQura calendar.
int y = GetDatePart(time, DatePartYear);
int m = GetDatePart(time, DatePartMonth);
int d = GetDatePart(time, DatePartDay);
int i = m - 1 + months;
if (i >= 0) {
m = i % 12 + 1;
y = y + i / 12;
} else {
m = 12 + (i + 1) % 12;
y = y + (i - 11) / 12;
}
if (d>29)
{
int days = GetDaysInMonth(y, m);
if (d > days) {
d = days;
}
}
CheckYearRange(y, UmAlQuraEra);
DateTime dt = new DateTime(GetAbsoluteDateUmAlQura(y, m, d) * TicksPerDay + time.Ticks % TicksPerDay);
Calendar.CheckAddResult(dt.Ticks, MinSupportedDateTime, MaxSupportedDateTime);
return (dt);
}
// 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
// years. If the month and day of the specified DateTime is 2/29, and if the
// resulting year is not a leap year, the month and day of the resulting
// 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 override 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.
//
public override int GetDayOfMonth(DateTime time) {
return (GetDatePart(time, 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 override DayOfWeek GetDayOfWeek(DateTime time) {
return ((DayOfWeek)((int)(time.Ticks / TicksPerDay + 1) % 7));
}
// Returns the day-of-year part of the specified DateTime. The returned value
// is an integer between 1 and 354 or 355.
//
public override int GetDayOfYear(DateTime time) {
return (GetDatePart(time, DatePartDayOfYear));
}
/*
internal bool CouldBeLeapYear(int year)
{
return ((((year * 11) + 14) % 30) < 11);
}
*/
// Returns the number of days in the month given by the year and
// month arguments.
//
public override int GetDaysInMonth(int year, int month, int era) {
CheckYearMonthRange(year, month, era);
if ((HijriYearInfo[year-MinCalendarYear].HijriMonthsLengthFlags & (1<= MinCalendarYear) && (year <= MaxCalendarYear), "Hijri year is out of range.");
b = HijriYearInfo[year-MinCalendarYear].HijriMonthsLengthFlags;
for(int m = 1; m <= 12; m++)
{
days = days+ 29 + (b&1); /* Add the months lengths before mh */
b = b >> 1;
}
BCLDebug.Assert((days == 354)||(days == 355), "Hijri year has to be 354 or 355 days.");
return days;
}
// Returns the number of days in the year given by the year argument for the current era.
//
public override int GetDaysInYear(int year, int era)
{
CheckYearRange(year, era);
return (RealGetDaysInYear(year));
}
// Returns the era for the specified DateTime value.
public override int GetEra(DateTime time) {
CheckTicksRange(time.Ticks);
return (UmAlQuraEra);
}
public override int[] Eras {
get {
return (new int[] {UmAlQuraEra});
}
}
// Returns the month part of the specified DateTime. The returned value is an
// integer between 1 and 12.
//
public override int GetMonth(DateTime time) {
return (GetDatePart(time, DatePartMonth));
}
// Returns the number of months in the specified year and era.
public override int GetMonthsInYear(int year, int era) {
CheckYearRange(year, era);
return (12);
}
// Returns the year part of the specified DateTime. The returned value is an
// integer between MinCalendarYear and MaxCalendarYear.
//
public override int GetYear(DateTime time) {
return (GetDatePart(time, DatePartYear));
}
// 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.
//
public override bool IsLeapDay(int year, int month, int day, int era) {
if (day>=1 && day <=29)
{
CheckYearMonthRange(year, month, era);
return (false);
}
// The year/month/era value checking is done in GetDaysInMonth().
int daysInMonth = GetDaysInMonth(year, month, era);
if (day < 1 || day > daysInMonth) {
throw new ArgumentOutOfRangeException(
"day",
String.Format(
CultureInfo.CurrentCulture,
Environment.GetResourceString("ArgumentOutOfRange_Day"),
daysInMonth,
month));
}
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 override int GetLeapMonth(int year, int era)
{
CheckYearRange(year, era);
return (0);
}
// Checks whether a given month in the specified era is a leap month. This method returns true if
// month is a leap month, or false if not.
//
public override bool IsLeapMonth(int year, int month, int era) {
CheckYearMonthRange(year, month, era);
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 override bool IsLeapYear(int year, int era)
{
CheckYearRange(year, era);
if (RealGetDaysInYear(year) == 355)
return true;
else
return false;
}
// Returns the date and time converted to a DateTime value. Throws an exception if the n-tuple is invalid.
//
public override DateTime ToDateTime(int year, int month, int day, int hour, int minute, int second, int millisecond, int era) {
if (day >= 1 && day <= 29)
{
CheckYearMonthRange(year, month, era);
goto DayInRang;
}
// The year/month/era value checking is done in GetDaysInMonth().
int daysInMonth = GetDaysInMonth(year, month, era);
if (day < 1 || day > daysInMonth) {
BCLDebug.Log("year = " + year + ", month = " + month + ", day = " + day);
throw new ArgumentOutOfRangeException(
"day",
String.Format(
CultureInfo.CurrentCulture,
Environment.GetResourceString("ArgumentOutOfRange_Day"),
daysInMonth,
month));
}
DayInRang:
long lDate = GetAbsoluteDateUmAlQura(year, month, day);
if (lDate >= 0) {
return (new DateTime(lDate * GregorianCalendar.TicksPerDay + TimeToTicks(hour, minute, second, millisecond)));
} else {
throw new ArgumentOutOfRangeException(null, Environment.GetResourceString("ArgumentOutOfRange_BadYearMonthDay"));
}
}
private const int DEFAULT_TWO_DIGIT_YEAR_MAX = 1451;
public override int TwoDigitYearMax {
get {
if (twoDigitYearMax == -1) {
twoDigitYearMax = GetSystemTwoDigitYearSetting(ID, DEFAULT_TWO_DIGIT_YEAR_MAX);
}
return (twoDigitYearMax);
}
set {
VerifyWritable();
if (value != 99 && (value < MinCalendarYear || value > MaxCalendarYear)) {
throw new ArgumentOutOfRangeException(
"value",
String.Format(
CultureInfo.CurrentCulture,
Environment.GetResourceString("ArgumentOutOfRange_Range"),
MinCalendarYear,
MaxCalendarYear));
}
// We allow year 99 to be set so that one can make ToFourDigitYearMax a no-op by setting TwoDigitYearMax to 99.
twoDigitYearMax = value;
}
}
public override int ToFourDigitYear(int year) {
if (year < 100) {
return (base.ToFourDigitYear(year));
}
if ((year < MinCalendarYear) || (year > MaxCalendarYear)) {
throw new ArgumentOutOfRangeException(
"year",
String.Format(
CultureInfo.CurrentCulture,
Environment.GetResourceString("ArgumentOutOfRange_Range"),
MinCalendarYear,
MaxCalendarYear));
}
return (year);
}
}
}
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- PageParser.cs
- Expressions.cs
- ValidationResults.cs
- ObjectRef.cs
- _ShellExpression.cs
- XmlCodeExporter.cs
- BaseCollection.cs
- CodeDefaultValueExpression.cs
- IpcChannel.cs
- AuthenticationException.cs
- ListViewTableCell.cs
- ListView.cs
- CheckBoxList.cs
- ObjectDataSourceEventArgs.cs
- LinqDataSourceDeleteEventArgs.cs
- ResolveMatchesCD1.cs
- ProfilePropertySettings.cs
- MILUtilities.cs
- XPathNodeHelper.cs
- AutomationAttributeInfo.cs
- FixedNode.cs
- SmiGettersStream.cs
- ParentQuery.cs
- OracleCommandSet.cs
- ModulesEntry.cs
- IdnMapping.cs
- clipboard.cs
- RootProfilePropertySettingsCollection.cs
- TdsRecordBufferSetter.cs
- BinaryWriter.cs
- ResXDataNode.cs
- Propagator.JoinPropagator.cs
- DataControlPagerLinkButton.cs
- TransformedBitmap.cs
- StylusPointPropertyUnit.cs
- BufferedGraphicsManager.cs
- BinHexDecoder.cs
- DecoderNLS.cs
- BaseParagraph.cs
- XdrBuilder.cs
- DeferrableContent.cs
- BamlLocalizer.cs
- Config.cs
- AppDomainManager.cs
- activationcontext.cs
- UInt32Storage.cs
- CryptoApi.cs
- UIElementAutomationPeer.cs
- LinqDataSourceDisposeEventArgs.cs
- ImageFormat.cs
- GlyphInfoList.cs
- XmlElementList.cs
- FlagsAttribute.cs
- HealthMonitoringSection.cs
- ExcCanonicalXml.cs
- HttpWebRequestElement.cs
- XsdDuration.cs
- PageOrientation.cs
- ThemeableAttribute.cs
- RoutedEvent.cs
- FactoryRecord.cs
- UIElement.cs
- DataGridViewCellParsingEventArgs.cs
- DesignerCategoryAttribute.cs
- SourceFilter.cs
- SafeMemoryMappedViewHandle.cs
- XMLSyntaxException.cs
- HtmlFormParameterReader.cs
- ResourceDescriptionAttribute.cs
- LicenseProviderAttribute.cs
- SqlCachedBuffer.cs
- QueryExpr.cs
- FlagsAttribute.cs
- MatrixCamera.cs
- ByteStream.cs
- BindingCompleteEventArgs.cs
- DataGridColumnHeader.cs
- DateTimeFormatInfo.cs
- VerificationAttribute.cs
- KeyPressEvent.cs
- LinqDataSourceContextData.cs
- CommonProperties.cs
- AnnotationHelper.cs
- ServicesSection.cs
- XamlTypeMapper.cs
- DataBindingCollection.cs
- SafeThreadHandle.cs
- PathGeometry.cs
- _SSPIWrapper.cs
- ConditionalAttribute.cs
- RepeaterCommandEventArgs.cs
- PropertyGrid.cs
- assertwrapper.cs
- ToolStripButton.cs
- Rect3D.cs
- DataGridViewSortCompareEventArgs.cs
- GridViewColumnCollectionChangedEventArgs.cs
- Matrix3DStack.cs
- XmlSchemaInclude.cs
- SoapBinding.cs