1b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/* 2b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru****************************************************************************** 359d709d503bab6e2b61931737e662dd293b40578ccornelius* Copyright (C) 2003-2013, International Business Machines Corporation 4b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* and others. All Rights Reserved. 5b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru****************************************************************************** 6b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* 7b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* File ISLAMCAL.H 8b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* 9b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* Modification History: 10b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* 11b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* Date Name Description 12b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* 10/14/2003 srl ported from java IslamicCalendar 13b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru***************************************************************************** 14b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru*/ 15b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 16b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#include "islamcal.h" 17b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 18b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#if !UCONFIG_NO_FORMATTING 19b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 20b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#include "umutex.h" 21b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#include <float.h> 22b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#include "gregoimp.h" // Math 23b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#include "astro.h" // CalendarAstronomer 24b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#include "uhash.h" 25b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#include "ucln_in.h" 2659d709d503bab6e2b61931737e662dd293b40578ccornelius#include "uassert.h" 27b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 28b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Querustatic const UDate HIJRA_MILLIS = -42521587200000.0; // 7/16/622 AD 00:00 29b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 30b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru// Debugging 31b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#ifdef U_DEBUG_ISLAMCAL 32b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru# include <stdio.h> 33b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru# include <stdarg.h> 34b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Querustatic void debug_islamcal_loc(const char *f, int32_t l) 35b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru{ 36b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru fprintf(stderr, "%s:%d: ", f, l); 37b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 38b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 39b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Querustatic void debug_islamcal_msg(const char *pat, ...) 40b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru{ 41b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru va_list ap; 42b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru va_start(ap, pat); 43b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru vfprintf(stderr, pat, ap); 44b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru fflush(stderr); 45b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 46b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru// must use double parens, i.e.: U_DEBUG_ISLAMCAL_MSG(("four is: %d",4)); 47b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#define U_DEBUG_ISLAMCAL_MSG(x) {debug_islamcal_loc(__FILE__,__LINE__);debug_islamcal_msg x;} 48b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#else 49b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#define U_DEBUG_ISLAMCAL_MSG(x) 50b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#endif 51b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 52b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 53b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru// --- The cache -- 54b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru// cache of months 5554dcd9b6a06071f647dac967e9e267abb9410720Craig Corneliusstatic UMutex astroLock = U_MUTEX_INITIALIZER; // pod bay door lock 56103e9ffba2cba345d0078eb8b8db33249f81840aCraig Corneliusstatic icu::CalendarCache *gMonthCache = NULL; 57103e9ffba2cba345d0078eb8b8db33249f81840aCraig Corneliusstatic icu::CalendarAstronomer *gIslamicCalendarAstro = NULL; 58b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 59b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruU_CDECL_BEGIN 60b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Querustatic UBool calendar_islamic_cleanup(void) { 61b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if (gMonthCache) { 62b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru delete gMonthCache; 63b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru gMonthCache = NULL; 64b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 65b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if (gIslamicCalendarAstro) { 66b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru delete gIslamicCalendarAstro; 67b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru gIslamicCalendarAstro = NULL; 68b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 69b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return TRUE; 70b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 71b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruU_CDECL_END 72b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 73b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruU_NAMESPACE_BEGIN 74b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 75b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru// Implementation of the IslamicCalendar class 76b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 7759d709d503bab6e2b61931737e662dd293b40578ccornelius/** 7859d709d503bab6e2b61931737e662dd293b40578ccornelius * Friday EPOC 7959d709d503bab6e2b61931737e662dd293b40578ccornelius */ 8059d709d503bab6e2b61931737e662dd293b40578ccorneliusstatic const int32_t CIVIL_EPOC = 1948440; 8159d709d503bab6e2b61931737e662dd293b40578ccornelius 8259d709d503bab6e2b61931737e662dd293b40578ccornelius/** 8359d709d503bab6e2b61931737e662dd293b40578ccornelius * Thursday EPOC 8459d709d503bab6e2b61931737e662dd293b40578ccornelius */ 8559d709d503bab6e2b61931737e662dd293b40578ccorneliusstatic const int32_t ASTRONOMICAL_EPOC = 1948439; 8659d709d503bab6e2b61931737e662dd293b40578ccornelius 8759d709d503bab6e2b61931737e662dd293b40578ccornelius 8859d709d503bab6e2b61931737e662dd293b40578ccorneliusstatic const int32_t UMALQURA_YEAR_START = 1318; 8959d709d503bab6e2b61931737e662dd293b40578ccorneliusstatic const int32_t UMALQURA_YEAR_END = 1480; 9059d709d503bab6e2b61931737e662dd293b40578ccornelius 9159d709d503bab6e2b61931737e662dd293b40578ccorneliusstatic const int UMALQURA_MONTHLENGTH[] = { 9259d709d503bab6e2b61931737e662dd293b40578ccornelius //* 1318 -1322 */ "0101 0111 0100", "1001 0111 0110", "0100 1011 0111", "0010 0101 0111", "0101 0010 1011", 9359d709d503bab6e2b61931737e662dd293b40578ccornelius 0x0574, 0x0975, 0x06A7, 0x0257, 0x052B, 9459d709d503bab6e2b61931737e662dd293b40578ccornelius //* 1323 -1327 */ "0110 1001 0101", "0110 1100 1010", "1010 1101 0101", "0101 0101 1011", "0010 0101 1101", 9559d709d503bab6e2b61931737e662dd293b40578ccornelius 0x0695, 0x06CA, 0x0AD5, 0x055B, 0x025B, 9659d709d503bab6e2b61931737e662dd293b40578ccornelius //* 1328 -1332 */ "1001 0010 1101", "1100 1001 0101", "1101 0100 1010", "1110 1010 0101", "0110 1101 0010", 9759d709d503bab6e2b61931737e662dd293b40578ccornelius 0x092D, 0x0C95, 0x0D4A, 0x0E5B, 0x025B, 9859d709d503bab6e2b61931737e662dd293b40578ccornelius //* 1333 -1337 */ "1010 1101 0101", "0101 0101 1010", "1010 1010 1011", "0100 0100 1011", "0110 1010 0101", 9959d709d503bab6e2b61931737e662dd293b40578ccornelius 0x0AD5, 0x055A, 0x0AAB, 0x044B, 0x06A5, 10059d709d503bab6e2b61931737e662dd293b40578ccornelius //* 1338 -1342 */ "0111 0101 0010", "1011 1010 1001", "0011 0111 0100", "1010 1011 0110", "0101 0101 0110", 10159d709d503bab6e2b61931737e662dd293b40578ccornelius 0x0752, 0x0BA9, 0x0374, 0x0AB6, 0x0556, 10259d709d503bab6e2b61931737e662dd293b40578ccornelius //* 1343 -1347 */ "1010 1010 1010", "1101 0101 0010", "1101 1010 1001", "0101 1101 0100", "1010 1110 1010", 10359d709d503bab6e2b61931737e662dd293b40578ccornelius 0x0AAA, 0x0D52, 0x0DA9, 0x05D4, 0x0AEA, 10459d709d503bab6e2b61931737e662dd293b40578ccornelius //* 1348 -1352 */ "0100 1101 1101", "0010 0110 1110", "1001 0010 1110", "1010 1010 0110", "1101 0101 0100", 10559d709d503bab6e2b61931737e662dd293b40578ccornelius 0x04DD, 0x026E, 0x092E, 0x0AA6, 0x0D54, 10659d709d503bab6e2b61931737e662dd293b40578ccornelius //* 1353 -1357 */ "0101 1010 1010", "0101 1011 0101", "0010 1011 0100", "1001 0011 0111", "0100 1001 1011", 10759d709d503bab6e2b61931737e662dd293b40578ccornelius 0x05AA, 0x05B5, 0x02B4, 0x0937, 0x049B, 10859d709d503bab6e2b61931737e662dd293b40578ccornelius //* 1358 -1362 */ "1010 0100 1011", "1011 0010 0101", "1011 0101 0100", "1011 0110 1010", "0101 0110 1101", 10959d709d503bab6e2b61931737e662dd293b40578ccornelius 0x0A4B, 0x0B25, 0x0B54, 0x0B6A, 0x056D, 11059d709d503bab6e2b61931737e662dd293b40578ccornelius //* 1363 -1367 */ "0100 1010 1101", "1010 0101 0101", "1101 0010 0101", "1110 1001 0010", "1110 1100 1001", 11159d709d503bab6e2b61931737e662dd293b40578ccornelius 0x04AD, 0x0A55, 0x0D25, 0x0E92, 0x0EC9, 11259d709d503bab6e2b61931737e662dd293b40578ccornelius //* 1368 -1372 */ "0110 1101 0100", "1010 1110 1010", "0101 0110 1011", "0100 1010 1011", "0110 1000 0101", 11359d709d503bab6e2b61931737e662dd293b40578ccornelius 0x06D4, 0x0ADA, 0x056B, 0x04AB, 0x0685, 11459d709d503bab6e2b61931737e662dd293b40578ccornelius //* 1373 -1377 */ "1011 0100 1001", "1011 1010 0100", "1011 1011 0010", "0101 1011 0101", "0010 1011 1010", 11559d709d503bab6e2b61931737e662dd293b40578ccornelius 0x0B49, 0x0BA4, 0x0BB2, 0x05B5, 0x02BA, 11659d709d503bab6e2b61931737e662dd293b40578ccornelius //* 1378 -1382 */ "1001 0101 1011", "0100 1010 1011", "0101 0101 0101", "0110 1011 0010", "0110 1101 1001", 11759d709d503bab6e2b61931737e662dd293b40578ccornelius 0x095B, 0x04AB, 0x0555, 0x06B2, 0x06D9, 11859d709d503bab6e2b61931737e662dd293b40578ccornelius //* 1383 -1387 */ "0010 1110 1100", "1001 0110 1110", "0100 1010 1110", "1010 0101 0110", "1101 0010 1010", 11959d709d503bab6e2b61931737e662dd293b40578ccornelius 0x02EC, 0x096E, 0x04AE, 0x0A56, 0x0D2A, 12059d709d503bab6e2b61931737e662dd293b40578ccornelius //* 1388 -1392 */ "1101 0101 0101", "0101 1010 1010", "1010 1011 0101", "0100 1011 1011", "0000 0101 1011", 12159d709d503bab6e2b61931737e662dd293b40578ccornelius 0x0D55, 0x05AA, 0x0AB5, 0x04BB, 0x005B, 12259d709d503bab6e2b61931737e662dd293b40578ccornelius //* 1393 -1397 */ "1001 0010 1011", "1010 1001 0101", "0011 0100 1010", "1011 1010 0101", "0101 1010 1010", 12359d709d503bab6e2b61931737e662dd293b40578ccornelius 0x092B, 0x0A95, 0x034A, 0x0BA5, 0x05AA, 12459d709d503bab6e2b61931737e662dd293b40578ccornelius //* 1398 -1402 */ "1010 1011 0101", "0101 0101 0110", "1010 1001 0110", "1101 0100 1010", "1110 1010 0101", 12559d709d503bab6e2b61931737e662dd293b40578ccornelius 0x0AB5, 0x0556, 0x0A96, 0x0B4A, 0x0EA5, 12659d709d503bab6e2b61931737e662dd293b40578ccornelius //* 1403 -1407 */ "0111 0101 0010", "0110 1110 1001", "0011 0110 1010", "1010 1010 1101", "0101 0101 0101", 12759d709d503bab6e2b61931737e662dd293b40578ccornelius 0x0752, 0x06E9, 0x036A, 0x0AAD, 0x0555, 12859d709d503bab6e2b61931737e662dd293b40578ccornelius //* 1408 -1412 */ "1010 1010 0101", "1011 0101 0010", "1011 1010 1001", "0101 1011 0100", "1001 1011 1010", 12959d709d503bab6e2b61931737e662dd293b40578ccornelius 0x0AA5, 0x0B52, 0x0BA9, 0x05B4, 0x09BA, 13059d709d503bab6e2b61931737e662dd293b40578ccornelius //* 1413 -1417 */ "0100 1101 1011", "0010 0101 1101", "0101 0010 1101", "1010 1010 0101", "1010 1101 0100", 13159d709d503bab6e2b61931737e662dd293b40578ccornelius 0x04DB, 0x025D, 0x052D, 0x0AA5, 0x0AD4, 13259d709d503bab6e2b61931737e662dd293b40578ccornelius //* 1418 -1422 */ "1010 1110 1010", "0101 0110 1101", "0100 1011 1101", "0010 0011 1101", "1001 0001 1101", 13359d709d503bab6e2b61931737e662dd293b40578ccornelius 0x0AEA, 0x056D, 0x04BD, 0x023D, 0x091D, 13459d709d503bab6e2b61931737e662dd293b40578ccornelius //* 1423 -1427 */ "1010 1001 0101", "1011 0100 1010", "1011 0101 1010", "0101 0110 1101", "0010 1011 0110", 13559d709d503bab6e2b61931737e662dd293b40578ccornelius 0x0A95, 0x0B4A, 0x0B5A, 0x056D, 0x02B6, 13659d709d503bab6e2b61931737e662dd293b40578ccornelius //* 1428 -1432 */ "1001 0011 1011", "0100 1001 1011", "0110 0101 0101", "0110 1010 1001", "0111 0101 0100", 13759d709d503bab6e2b61931737e662dd293b40578ccornelius 0x093B, 0x049B, 0x0655, 0x06A9, 0x0754, 13859d709d503bab6e2b61931737e662dd293b40578ccornelius //* 1433 -1437 */ "1011 0110 1010", "0101 0110 1100", "1010 1010 1101", "0101 0101 0101", "1011 0010 1001", 13959d709d503bab6e2b61931737e662dd293b40578ccornelius 0x0B6A, 0x056C, 0x0AAD, 0x0555, 0x0B29, 14059d709d503bab6e2b61931737e662dd293b40578ccornelius //* 1438 -1442 */ "1011 1001 0010", "1011 1010 1001", "0101 1101 0100", "1010 1101 1010", "0101 0101 1010", 14159d709d503bab6e2b61931737e662dd293b40578ccornelius 0x0B92, 0x0BA9, 0x05D4, 0x0ADA, 0x055A, 14259d709d503bab6e2b61931737e662dd293b40578ccornelius //* 1443 -1447 */ "1010 1010 1011", "0101 1001 0101", "0111 0100 1001", "0111 0110 0100", "1011 1010 1010", 14359d709d503bab6e2b61931737e662dd293b40578ccornelius 0x0AAB, 0x0595, 0x0749, 0x0764, 0x0BAA, 14459d709d503bab6e2b61931737e662dd293b40578ccornelius //* 1448 -1452 */ "0101 1011 0101", "0010 1011 0110", "1010 0101 0110", "1110 0100 1101", "1011 0010 0101", 14559d709d503bab6e2b61931737e662dd293b40578ccornelius 0x05B5, 0x02B6, 0x0A56, 0x0E4D, 0x0B25, 14659d709d503bab6e2b61931737e662dd293b40578ccornelius //* 1453 -1457 */ "1011 0101 0010", "1011 0110 1010", "0101 1010 1101", "0010 1010 1110", "1001 0010 1111", 14759d709d503bab6e2b61931737e662dd293b40578ccornelius 0x0B52, 0x0B6A, 0x05AD, 0x02AE, 0x092F, 14859d709d503bab6e2b61931737e662dd293b40578ccornelius //* 1458 -1462 */ "0100 1001 0111", "0110 0100 1011", "0110 1010 0101", "0110 1010 1100", "1010 1101 0110", 14959d709d503bab6e2b61931737e662dd293b40578ccornelius 0x0497, 0x064B, 0x06A5, 0x06AC, 0x0AD6, 15059d709d503bab6e2b61931737e662dd293b40578ccornelius //* 1463 -1467 */ "0101 0101 1101", "0100 1001 1101", "1010 0100 1101", "1101 0001 0110", "1101 1001 0101", 15159d709d503bab6e2b61931737e662dd293b40578ccornelius 0x055D, 0x049D, 0x0A4D, 0x0D16, 0x0D95, 15259d709d503bab6e2b61931737e662dd293b40578ccornelius //* 1468 -1472 */ "0101 1010 1010", "0101 1011 0101", "0010 1001 1010", "1001 0101 1011", "0100 1010 1100", 15359d709d503bab6e2b61931737e662dd293b40578ccornelius 0x05AA, 0x05B5, 0x029A, 0x095B, 0x04AC, 15459d709d503bab6e2b61931737e662dd293b40578ccornelius //* 1473 -1477 */ "0101 1001 0101", "0110 1100 1010", "0110 1110 0100", "1010 1110 1010", "0100 1111 0101", 15559d709d503bab6e2b61931737e662dd293b40578ccornelius 0x0595, 0x06CA, 0x06E4, 0x0AEA, 0x04F5, 15659d709d503bab6e2b61931737e662dd293b40578ccornelius //* 1478 -1480 */ "0010 1011 0110", "1001 0101 0110", "1010 1010 1010" 15759d709d503bab6e2b61931737e662dd293b40578ccornelius 0x02B6, 0x0956, 0x0AAA 15859d709d503bab6e2b61931737e662dd293b40578ccornelius}; 15959d709d503bab6e2b61931737e662dd293b40578ccornelius 16059d709d503bab6e2b61931737e662dd293b40578ccorneliusint32_t getUmalqura_MonthLength(int32_t y, int32_t m) { 16159d709d503bab6e2b61931737e662dd293b40578ccornelius int32_t mask = (int32_t) (0x01 << (11 - m)); // set mask for bit corresponding to month 16259d709d503bab6e2b61931737e662dd293b40578ccornelius if((UMALQURA_MONTHLENGTH[y] & mask) == 0 ) 16359d709d503bab6e2b61931737e662dd293b40578ccornelius return 29; 16459d709d503bab6e2b61931737e662dd293b40578ccornelius else 16559d709d503bab6e2b61931737e662dd293b40578ccornelius return 30; 16659d709d503bab6e2b61931737e662dd293b40578ccornelius 16759d709d503bab6e2b61931737e662dd293b40578ccornelius} 16859d709d503bab6e2b61931737e662dd293b40578ccornelius 169b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru//------------------------------------------------------------------------- 170b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru// Constructors... 171b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru//------------------------------------------------------------------------- 172b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 17359d709d503bab6e2b61931737e662dd293b40578ccorneliusconst char *IslamicCalendar::getType() const { 17459d709d503bab6e2b61931737e662dd293b40578ccornelius const char *sType = NULL; 17559d709d503bab6e2b61931737e662dd293b40578ccornelius 17659d709d503bab6e2b61931737e662dd293b40578ccornelius switch (cType) { 17759d709d503bab6e2b61931737e662dd293b40578ccornelius case CIVIL: 17859d709d503bab6e2b61931737e662dd293b40578ccornelius sType = "islamic-civil"; 17959d709d503bab6e2b61931737e662dd293b40578ccornelius break; 18059d709d503bab6e2b61931737e662dd293b40578ccornelius case ASTRONOMICAL: 18159d709d503bab6e2b61931737e662dd293b40578ccornelius sType = "islamic"; 18259d709d503bab6e2b61931737e662dd293b40578ccornelius break; 18359d709d503bab6e2b61931737e662dd293b40578ccornelius case TBLA: 18459d709d503bab6e2b61931737e662dd293b40578ccornelius sType = "islamic-tbla"; 18559d709d503bab6e2b61931737e662dd293b40578ccornelius break; 18659d709d503bab6e2b61931737e662dd293b40578ccornelius case UMALQURA: 18759d709d503bab6e2b61931737e662dd293b40578ccornelius sType = "islamic-umalqura"; 18859d709d503bab6e2b61931737e662dd293b40578ccornelius break; 18959d709d503bab6e2b61931737e662dd293b40578ccornelius default: 19059d709d503bab6e2b61931737e662dd293b40578ccornelius U_ASSERT(false); // out of range 19159d709d503bab6e2b61931737e662dd293b40578ccornelius sType = "islamic"; // "islamic" is used as the generic type 19259d709d503bab6e2b61931737e662dd293b40578ccornelius break; 193b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 19459d709d503bab6e2b61931737e662dd293b40578ccornelius return sType; 195b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 196b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 197b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruCalendar* IslamicCalendar::clone() const { 198b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return new IslamicCalendar(*this); 199b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 200b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 20159d709d503bab6e2b61931737e662dd293b40578ccorneliusIslamicCalendar::IslamicCalendar(const Locale& aLocale, UErrorCode& success, ECalculationType type) 202b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru: Calendar(TimeZone::createDefault(), aLocale, success), 20359d709d503bab6e2b61931737e662dd293b40578ccorneliuscType(type) 204b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru{ 205b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru setTimeInMillis(getNow(), success); // Call this again now that the vtable is set up properly. 206b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 207b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 20859d709d503bab6e2b61931737e662dd293b40578ccorneliusIslamicCalendar::IslamicCalendar(const IslamicCalendar& other) : Calendar(other), cType(other.cType) { 209b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 210b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 211b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruIslamicCalendar::~IslamicCalendar() 212b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru{ 213b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 214b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 21559d709d503bab6e2b61931737e662dd293b40578ccorneliusvoid IslamicCalendar::setCalculationType(ECalculationType type, UErrorCode &status) 216b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru{ 21759d709d503bab6e2b61931737e662dd293b40578ccornelius if (cType != type) { 218b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru // The fields of the calendar will become invalid, because the calendar 219b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru // rules are different 220b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru UDate m = getTimeInMillis(status); 22159d709d503bab6e2b61931737e662dd293b40578ccornelius cType = type; 222b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru clear(); 223b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru setTimeInMillis(m, status); 224b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 225b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 226b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 227b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/** 228b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* Returns <code>true</code> if this object is using the fixed-cycle civil 229b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* calendar, or <code>false</code> if using the religious, astronomical 230b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* calendar. 231b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* @draft ICU 2.4 232b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru*/ 233b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruUBool IslamicCalendar::isCivil() { 23459d709d503bab6e2b61931737e662dd293b40578ccornelius return (cType == CIVIL); 235b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 236b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 237b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru//------------------------------------------------------------------------- 238b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru// Minimum / Maximum access functions 239b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru//------------------------------------------------------------------------- 240b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 241c69afcec261fc345fda8daf46f0ea6b4351dc777Jean-Baptiste Queru// Note: Current IslamicCalendar implementation does not work 242c69afcec261fc345fda8daf46f0ea6b4351dc777Jean-Baptiste Queru// well with negative years. 243c69afcec261fc345fda8daf46f0ea6b4351dc777Jean-Baptiste Queru 244b26ce3a7367e4ed2ee7ddddcdc3f3d3377a455c2claireho// TODO: In some cases the current ICU Islamic calendar implementation shows 245b26ce3a7367e4ed2ee7ddddcdc3f3d3377a455c2claireho// a month as having 31 days. Since date parsing now uses range checks based 246b26ce3a7367e4ed2ee7ddddcdc3f3d3377a455c2claireho// on the table below, we need to change the range for last day of month to 247b26ce3a7367e4ed2ee7ddddcdc3f3d3377a455c2claireho// include 31 as a workaround until the implementation is fixed. 248b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Querustatic const int32_t LIMITS[UCAL_FIELD_COUNT][4] = { 249b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru // Minimum Greatest Least Maximum 250b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru // Minimum Maximum 251c69afcec261fc345fda8daf46f0ea6b4351dc777Jean-Baptiste Queru { 0, 0, 0, 0}, // ERA 252c69afcec261fc345fda8daf46f0ea6b4351dc777Jean-Baptiste Queru { 1, 1, 5000000, 5000000}, // YEAR 253c69afcec261fc345fda8daf46f0ea6b4351dc777Jean-Baptiste Queru { 0, 0, 11, 11}, // MONTH 254c69afcec261fc345fda8daf46f0ea6b4351dc777Jean-Baptiste Queru { 1, 1, 50, 51}, // WEEK_OF_YEAR 255c69afcec261fc345fda8daf46f0ea6b4351dc777Jean-Baptiste Queru {/*N/A*/-1,/*N/A*/-1,/*N/A*/-1,/*N/A*/-1}, // WEEK_OF_MONTH 256b26ce3a7367e4ed2ee7ddddcdc3f3d3377a455c2claireho { 1, 1, 29, 31}, // DAY_OF_MONTH - 31 to workaround for cal implementation bug, should be 30 257c69afcec261fc345fda8daf46f0ea6b4351dc777Jean-Baptiste Queru { 1, 1, 354, 355}, // DAY_OF_YEAR 258b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru {/*N/A*/-1,/*N/A*/-1,/*N/A*/-1,/*N/A*/-1}, // DAY_OF_WEEK 259c69afcec261fc345fda8daf46f0ea6b4351dc777Jean-Baptiste Queru { -1, -1, 5, 5}, // DAY_OF_WEEK_IN_MONTH 260b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru {/*N/A*/-1,/*N/A*/-1,/*N/A*/-1,/*N/A*/-1}, // AM_PM 261b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru {/*N/A*/-1,/*N/A*/-1,/*N/A*/-1,/*N/A*/-1}, // HOUR 262b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru {/*N/A*/-1,/*N/A*/-1,/*N/A*/-1,/*N/A*/-1}, // HOUR_OF_DAY 263b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru {/*N/A*/-1,/*N/A*/-1,/*N/A*/-1,/*N/A*/-1}, // MINUTE 264b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru {/*N/A*/-1,/*N/A*/-1,/*N/A*/-1,/*N/A*/-1}, // SECOND 265b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru {/*N/A*/-1,/*N/A*/-1,/*N/A*/-1,/*N/A*/-1}, // MILLISECOND 266b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru {/*N/A*/-1,/*N/A*/-1,/*N/A*/-1,/*N/A*/-1}, // ZONE_OFFSET 267b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru {/*N/A*/-1,/*N/A*/-1,/*N/A*/-1,/*N/A*/-1}, // DST_OFFSET 268c69afcec261fc345fda8daf46f0ea6b4351dc777Jean-Baptiste Queru { 1, 1, 5000000, 5000000}, // YEAR_WOY 269b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru {/*N/A*/-1,/*N/A*/-1,/*N/A*/-1,/*N/A*/-1}, // DOW_LOCAL 270c69afcec261fc345fda8daf46f0ea6b4351dc777Jean-Baptiste Queru { 1, 1, 5000000, 5000000}, // EXTENDED_YEAR 271b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru {/*N/A*/-1,/*N/A*/-1,/*N/A*/-1,/*N/A*/-1}, // JULIAN_DAY 272c69afcec261fc345fda8daf46f0ea6b4351dc777Jean-Baptiste Queru {/*N/A*/-1,/*N/A*/-1,/*N/A*/-1,/*N/A*/-1}, // MILLISECONDS_IN_DAY 273c69afcec261fc345fda8daf46f0ea6b4351dc777Jean-Baptiste Queru {/*N/A*/-1,/*N/A*/-1,/*N/A*/-1,/*N/A*/-1}, // IS_LEAP_MONTH 274b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru}; 275b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 276b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/** 277b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* @draft ICU 2.4 278b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru*/ 279b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queruint32_t IslamicCalendar::handleGetLimit(UCalendarDateFields field, ELimitType limitType) const { 280b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return LIMITS[field][limitType]; 281b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 282b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 283b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru//------------------------------------------------------------------------- 284b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru// Assorted calculation utilities 285b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru// 286b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 287b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/** 288b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* Determine whether a year is a leap year in the Islamic civil calendar 289b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru*/ 290b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruUBool IslamicCalendar::civilLeapYear(int32_t year) 291b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru{ 292b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return (14 + 11 * year) % 30 < 11; 293b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 294b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 295b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/** 296b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* Return the day # on which the given year starts. Days are counted 297b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* from the Hijri epoch, origin 0. 298b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru*/ 29959d709d503bab6e2b61931737e662dd293b40578ccorneliusint32_t IslamicCalendar::yearStart(int32_t year) const{ 30059d709d503bab6e2b61931737e662dd293b40578ccornelius if (cType == CIVIL || cType == TBLA || 30159d709d503bab6e2b61931737e662dd293b40578ccornelius (cType == UMALQURA && year < UMALQURA_YEAR_START)) 30259d709d503bab6e2b61931737e662dd293b40578ccornelius { 303b0ac937921a2c196d8b9da665135bf6ba01a1ccfJean-Baptiste Queru return (year-1)*354 + ClockMath::floorDivide((3+11*year),30); 30459d709d503bab6e2b61931737e662dd293b40578ccornelius } else if(cType==ASTRONOMICAL){ 305b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return trueMonthStart(12*(year-1)); 30659d709d503bab6e2b61931737e662dd293b40578ccornelius } else { 30759d709d503bab6e2b61931737e662dd293b40578ccornelius int32_t ys = yearStart(UMALQURA_YEAR_START-1); 30859d709d503bab6e2b61931737e662dd293b40578ccornelius ys+= handleGetYearLength(UMALQURA_YEAR_START-1); 30959d709d503bab6e2b61931737e662dd293b40578ccornelius for(int i=UMALQURA_YEAR_START; i< year; i++){ 31059d709d503bab6e2b61931737e662dd293b40578ccornelius ys+= handleGetYearLength(i); 31159d709d503bab6e2b61931737e662dd293b40578ccornelius } 31259d709d503bab6e2b61931737e662dd293b40578ccornelius return ys; 313b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 314b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 315b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 316b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/** 317b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* Return the day # on which the given month starts. Days are counted 318b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* from the Hijri epoch, origin 0. 319b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* 320b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* @param year The hijri year 321b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* @param year The hijri month, 0-based 322b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru*/ 323b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queruint32_t IslamicCalendar::monthStart(int32_t year, int32_t month) const { 32459d709d503bab6e2b61931737e662dd293b40578ccornelius if (cType == CIVIL || cType == TBLA) { 325b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return (int32_t)uprv_ceil(29.5*month) 326b0ac937921a2c196d8b9da665135bf6ba01a1ccfJean-Baptiste Queru + (year-1)*354 + (int32_t)ClockMath::floorDivide((3+11*year),30); 32759d709d503bab6e2b61931737e662dd293b40578ccornelius } else if(cType==ASTRONOMICAL){ 328b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return trueMonthStart(12*(year-1) + month); 32959d709d503bab6e2b61931737e662dd293b40578ccornelius } else { 33059d709d503bab6e2b61931737e662dd293b40578ccornelius int32_t ms = yearStart(year); 33159d709d503bab6e2b61931737e662dd293b40578ccornelius for(int i=0; i< month; i++){ 33259d709d503bab6e2b61931737e662dd293b40578ccornelius ms+= handleGetMonthLength(year, i); 33359d709d503bab6e2b61931737e662dd293b40578ccornelius } 33459d709d503bab6e2b61931737e662dd293b40578ccornelius return ms; 335b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 336b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 337b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 338b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/** 339b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* Find the day number on which a particular month of the true/lunar 340b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* Islamic calendar starts. 341b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* 342b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* @param month The month in question, origin 0 from the Hijri epoch 343b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* 344b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* @return The day number on which the given month starts. 345b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru*/ 346b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queruint32_t IslamicCalendar::trueMonthStart(int32_t month) const 347b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru{ 348b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru UErrorCode status = U_ZERO_ERROR; 349b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru int32_t start = CalendarCache::get(&gMonthCache, month, status); 350b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 351b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if (start==0) { 352b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru // Make a guess at when the month started, using the average length 353b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru UDate origin = HIJRA_MILLIS 35450294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho + uprv_floor(month * CalendarAstronomer::SYNODIC_MONTH) * kOneDay; 355b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 356c69afcec261fc345fda8daf46f0ea6b4351dc777Jean-Baptiste Queru // moonAge will fail due to memory allocation error 357c69afcec261fc345fda8daf46f0ea6b4351dc777Jean-Baptiste Queru double age = moonAge(origin, status); 358c69afcec261fc345fda8daf46f0ea6b4351dc777Jean-Baptiste Queru if (U_FAILURE(status)) { 359c69afcec261fc345fda8daf46f0ea6b4351dc777Jean-Baptiste Queru goto trueMonthStartEnd; 360c69afcec261fc345fda8daf46f0ea6b4351dc777Jean-Baptiste Queru } 361b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 362c69afcec261fc345fda8daf46f0ea6b4351dc777Jean-Baptiste Queru if (age >= 0) { 363b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru // The month has already started 364b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru do { 365b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru origin -= kOneDay; 366c69afcec261fc345fda8daf46f0ea6b4351dc777Jean-Baptiste Queru age = moonAge(origin, status); 367c69afcec261fc345fda8daf46f0ea6b4351dc777Jean-Baptiste Queru if (U_FAILURE(status)) { 368c69afcec261fc345fda8daf46f0ea6b4351dc777Jean-Baptiste Queru goto trueMonthStartEnd; 369c69afcec261fc345fda8daf46f0ea6b4351dc777Jean-Baptiste Queru } 370b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } while (age >= 0); 371b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 372b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru else { 373b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru // Preceding month has not ended yet. 374b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru do { 375b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru origin += kOneDay; 376c69afcec261fc345fda8daf46f0ea6b4351dc777Jean-Baptiste Queru age = moonAge(origin, status); 377c69afcec261fc345fda8daf46f0ea6b4351dc777Jean-Baptiste Queru if (U_FAILURE(status)) { 378c69afcec261fc345fda8daf46f0ea6b4351dc777Jean-Baptiste Queru goto trueMonthStartEnd; 379c69afcec261fc345fda8daf46f0ea6b4351dc777Jean-Baptiste Queru } 380b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } while (age < 0); 381b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 382b0ac937921a2c196d8b9da665135bf6ba01a1ccfJean-Baptiste Queru start = (int32_t)ClockMath::floorDivide((origin - HIJRA_MILLIS), (double)kOneDay) + 1; 383b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru CalendarCache::put(&gMonthCache, month, start, status); 384b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 385c69afcec261fc345fda8daf46f0ea6b4351dc777Jean-Baptiste QuerutrueMonthStartEnd : 386b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(U_FAILURE(status)) { 387b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru start = 0; 388b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 389b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return start; 390b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 391b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 392b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/** 393b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* Return the "age" of the moon at the given time; this is the difference 394b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* in ecliptic latitude between the moon and the sun. This method simply 395b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* calls CalendarAstronomer.moonAge, converts to degrees, 396b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* and adjusts the result to be in the range [-180, 180]. 397b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* 398b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* @param time The time at which the moon's age is desired, 399b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* in millis since 1/1/1970. 400b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru*/ 401c69afcec261fc345fda8daf46f0ea6b4351dc777Jean-Baptiste Querudouble IslamicCalendar::moonAge(UDate time, UErrorCode &status) 402b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru{ 403b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru double age = 0; 404b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 405b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru umtx_lock(&astroLock); 406b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(gIslamicCalendarAstro == NULL) { 407b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru gIslamicCalendarAstro = new CalendarAstronomer(); 408c69afcec261fc345fda8daf46f0ea6b4351dc777Jean-Baptiste Queru if (gIslamicCalendarAstro == NULL) { 409c69afcec261fc345fda8daf46f0ea6b4351dc777Jean-Baptiste Queru status = U_MEMORY_ALLOCATION_ERROR; 410c69afcec261fc345fda8daf46f0ea6b4351dc777Jean-Baptiste Queru return age; 411c69afcec261fc345fda8daf46f0ea6b4351dc777Jean-Baptiste Queru } 412c69afcec261fc345fda8daf46f0ea6b4351dc777Jean-Baptiste Queru ucln_i18n_registerCleanup(UCLN_I18N_ISLAMIC_CALENDAR, calendar_islamic_cleanup); 413b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 414b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru gIslamicCalendarAstro->setTime(time); 415b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru age = gIslamicCalendarAstro->getMoonAge(); 416b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru umtx_unlock(&astroLock); 417b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 418b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru // Convert to degrees and normalize... 419b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru age = age * 180 / CalendarAstronomer::PI; 420b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if (age > 180) { 421b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru age = age - 360; 422b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 423b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 424b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return age; 425b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 426b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 427b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru//---------------------------------------------------------------------- 428b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru// Calendar framework 429b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru//---------------------------------------------------------------------- 430b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 431b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/** 432b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* Return the length (in days) of the given month. 433b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* 434b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* @param year The hijri year 435b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* @param year The hijri month, 0-based 436b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* @draft ICU 2.4 437b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru*/ 438b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queruint32_t IslamicCalendar::handleGetMonthLength(int32_t extendedYear, int32_t month) const { 439b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 440b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru int32_t length = 0; 441b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 44259d709d503bab6e2b61931737e662dd293b40578ccornelius if (cType == CIVIL || cType == TBLA || 44359d709d503bab6e2b61931737e662dd293b40578ccornelius (cType == UMALQURA && (extendedYear<UMALQURA_YEAR_START || extendedYear>UMALQURA_YEAR_END)) ) { 444b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru length = 29 + (month+1) % 2; 445b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if (month == DHU_AL_HIJJAH && civilLeapYear(extendedYear)) { 446b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru length++; 447b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 44859d709d503bab6e2b61931737e662dd293b40578ccornelius } else if(cType == ASTRONOMICAL){ 449b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru month = 12*(extendedYear-1) + month; 450b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru length = trueMonthStart(month+1) - trueMonthStart(month) ; 45159d709d503bab6e2b61931737e662dd293b40578ccornelius } else { 45259d709d503bab6e2b61931737e662dd293b40578ccornelius length = getUmalqura_MonthLength(extendedYear - UMALQURA_YEAR_START, month); 453b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 454b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return length; 455b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 456b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 457b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/** 458b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* Return the number of days in the given Islamic year 459b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* @draft ICU 2.4 460b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru*/ 461b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queruint32_t IslamicCalendar::handleGetYearLength(int32_t extendedYear) const { 46259d709d503bab6e2b61931737e662dd293b40578ccornelius if (cType == CIVIL || cType == TBLA || 46359d709d503bab6e2b61931737e662dd293b40578ccornelius (cType == UMALQURA && (extendedYear<UMALQURA_YEAR_START || extendedYear>UMALQURA_YEAR_END)) ) { 464b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return 354 + (civilLeapYear(extendedYear) ? 1 : 0); 46559d709d503bab6e2b61931737e662dd293b40578ccornelius } else if(cType == ASTRONOMICAL){ 466b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru int32_t month = 12*(extendedYear-1); 467b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return (trueMonthStart(month + 12) - trueMonthStart(month)); 46859d709d503bab6e2b61931737e662dd293b40578ccornelius } else { 46959d709d503bab6e2b61931737e662dd293b40578ccornelius int len = 0; 47059d709d503bab6e2b61931737e662dd293b40578ccornelius for(int i=0; i<12; i++) 47159d709d503bab6e2b61931737e662dd293b40578ccornelius len += handleGetMonthLength(extendedYear, i); 47259d709d503bab6e2b61931737e662dd293b40578ccornelius return len; 473b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 474b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 475b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 476b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru//------------------------------------------------------------------------- 477b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru// Functions for converting from field values to milliseconds.... 478b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru//------------------------------------------------------------------------- 479b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 480b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru// Return JD of start of given month/year 481b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/** 482b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* @draft ICU 2.4 483b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru*/ 484b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queruint32_t IslamicCalendar::handleComputeMonthStart(int32_t eyear, int32_t month, UBool /* useMonth */) const { 485b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return monthStart(eyear, month) + 1948439; 486b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 487b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 488b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru//------------------------------------------------------------------------- 489b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru// Functions for converting from milliseconds to field values 490b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru//------------------------------------------------------------------------- 491b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 492b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/** 493b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* @draft ICU 2.4 494b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru*/ 495b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queruint32_t IslamicCalendar::handleGetExtendedYear() { 496b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru int32_t year; 497b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if (newerField(UCAL_EXTENDED_YEAR, UCAL_YEAR) == UCAL_EXTENDED_YEAR) { 498b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru year = internalGet(UCAL_EXTENDED_YEAR, 1); // Default to year 1 499b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } else { 500b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru year = internalGet(UCAL_YEAR, 1); // Default to year 1 501b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 502b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return year; 503b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 504b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 505b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/** 506b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* Override Calendar to compute several fields specific to the Islamic 507b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* calendar system. These are: 508b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* 509b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* <ul><li>ERA 510b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* <li>YEAR 511b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* <li>MONTH 512b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* <li>DAY_OF_MONTH 513b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* <li>DAY_OF_YEAR 514b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* <li>EXTENDED_YEAR</ul> 515b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* 516b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* The DAY_OF_WEEK and DOW_LOCAL fields are already set when this 517b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* method is called. The getGregorianXxx() methods return Gregorian 518b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* calendar equivalents for the given Julian day. 519b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* @draft ICU 2.4 520b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru*/ 521c69afcec261fc345fda8daf46f0ea6b4351dc777Jean-Baptiste Queruvoid IslamicCalendar::handleComputeFields(int32_t julianDay, UErrorCode &status) { 522b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru int32_t year, month, dayOfMonth, dayOfYear; 523b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru UDate startDate; 52459d709d503bab6e2b61931737e662dd293b40578ccornelius int32_t days = julianDay - CIVIL_EPOC; 525b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 52659d709d503bab6e2b61931737e662dd293b40578ccornelius if (cType == CIVIL || cType == TBLA) { 52759d709d503bab6e2b61931737e662dd293b40578ccornelius if(cType == TBLA) 52859d709d503bab6e2b61931737e662dd293b40578ccornelius days = julianDay - ASTRONOMICAL_EPOC; 529b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru // Use the civil calendar approximation, which is just arithmetic 530b0ac937921a2c196d8b9da665135bf6ba01a1ccfJean-Baptiste Queru year = (int)ClockMath::floorDivide( (double)(30 * days + 10646) , 10631.0 ); 531b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru month = (int32_t)uprv_ceil((days - 29 - yearStart(year)) / 29.5 ); 532b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru month = month<11?month:11; 533b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru startDate = monthStart(year, month); 53459d709d503bab6e2b61931737e662dd293b40578ccornelius } else if(cType == ASTRONOMICAL){ 535b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru // Guess at the number of elapsed full months since the epoch 536b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru int32_t months = (int32_t)uprv_floor((double)days / CalendarAstronomer::SYNODIC_MONTH); 537b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 53850294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho startDate = uprv_floor(months * CalendarAstronomer::SYNODIC_MONTH); 539b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 540c69afcec261fc345fda8daf46f0ea6b4351dc777Jean-Baptiste Queru double age = moonAge(internalGetTime(), status); 541c69afcec261fc345fda8daf46f0ea6b4351dc777Jean-Baptiste Queru if (U_FAILURE(status)) { 54259d709d503bab6e2b61931737e662dd293b40578ccornelius status = U_MEMORY_ALLOCATION_ERROR; 54359d709d503bab6e2b61931737e662dd293b40578ccornelius return; 544c69afcec261fc345fda8daf46f0ea6b4351dc777Jean-Baptiste Queru } 54550294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho if ( days - startDate >= 25 && age > 0) { 546b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru // If we're near the end of the month, assume next month and search backwards 547b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru months++; 548b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 549b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 550b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru // Find out the last time that the new moon was actually visible at this longitude 551b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru // This returns midnight the night that the moon was visible at sunset. 552b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru while ((startDate = trueMonthStart(months)) > days) { 553b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru // If it was after the date in question, back up a month and try again 554b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru months--; 555b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 556b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 557b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru year = months / 12 + 1; 558b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru month = months % 12; 55959d709d503bab6e2b61931737e662dd293b40578ccornelius } else if(cType == UMALQURA) { 56059d709d503bab6e2b61931737e662dd293b40578ccornelius int32_t umalquraStartdays = yearStart(UMALQURA_YEAR_START) ; 56159d709d503bab6e2b61931737e662dd293b40578ccornelius if( days < umalquraStartdays){ 56259d709d503bab6e2b61931737e662dd293b40578ccornelius //Use Civil calculation 56359d709d503bab6e2b61931737e662dd293b40578ccornelius year = (int)ClockMath::floorDivide( (double)(30 * days + 10646) , 10631.0 ); 56459d709d503bab6e2b61931737e662dd293b40578ccornelius month = (int32_t)uprv_ceil((days - 29 - yearStart(year)) / 29.5 ); 56559d709d503bab6e2b61931737e662dd293b40578ccornelius month = month<11?month:11; 56659d709d503bab6e2b61931737e662dd293b40578ccornelius startDate = monthStart(year, month); 56759d709d503bab6e2b61931737e662dd293b40578ccornelius }else{ 56859d709d503bab6e2b61931737e662dd293b40578ccornelius int y =UMALQURA_YEAR_START-1, m =0; 56959d709d503bab6e2b61931737e662dd293b40578ccornelius long d = 1; 57059d709d503bab6e2b61931737e662dd293b40578ccornelius while(d > 0){ 57159d709d503bab6e2b61931737e662dd293b40578ccornelius y++; 57259d709d503bab6e2b61931737e662dd293b40578ccornelius d = days - yearStart(y) +1; 57359d709d503bab6e2b61931737e662dd293b40578ccornelius if(d == handleGetYearLength(y)){ 57459d709d503bab6e2b61931737e662dd293b40578ccornelius m=11; 57559d709d503bab6e2b61931737e662dd293b40578ccornelius break; 57659d709d503bab6e2b61931737e662dd293b40578ccornelius }else if(d < handleGetYearLength(y) ){ 57759d709d503bab6e2b61931737e662dd293b40578ccornelius int monthLen = handleGetMonthLength(y, m); 57859d709d503bab6e2b61931737e662dd293b40578ccornelius m=0; 57959d709d503bab6e2b61931737e662dd293b40578ccornelius while(d > monthLen){ 58059d709d503bab6e2b61931737e662dd293b40578ccornelius d -= monthLen; 58159d709d503bab6e2b61931737e662dd293b40578ccornelius m++; 58259d709d503bab6e2b61931737e662dd293b40578ccornelius monthLen = handleGetMonthLength(y, m); 58359d709d503bab6e2b61931737e662dd293b40578ccornelius } 58459d709d503bab6e2b61931737e662dd293b40578ccornelius break; 58559d709d503bab6e2b61931737e662dd293b40578ccornelius } 58659d709d503bab6e2b61931737e662dd293b40578ccornelius } 58759d709d503bab6e2b61931737e662dd293b40578ccornelius year = y; 58859d709d503bab6e2b61931737e662dd293b40578ccornelius month = m; 58959d709d503bab6e2b61931737e662dd293b40578ccornelius } 59059d709d503bab6e2b61931737e662dd293b40578ccornelius } else { // invalid 'civil' 59159d709d503bab6e2b61931737e662dd293b40578ccornelius U_ASSERT(false); // should not get here, out of range 59259d709d503bab6e2b61931737e662dd293b40578ccornelius year=month=0; 593b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 594b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 595b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru dayOfMonth = (days - monthStart(year, month)) + 1; 596b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 597b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru // Now figure out the day of the year. 598b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru dayOfYear = (days - monthStart(year, 0) + 1); 599b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 60059d709d503bab6e2b61931737e662dd293b40578ccornelius 601b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru internalSet(UCAL_ERA, 0); 602b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru internalSet(UCAL_YEAR, year); 603b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru internalSet(UCAL_EXTENDED_YEAR, year); 604b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru internalSet(UCAL_MONTH, month); 605b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru internalSet(UCAL_DAY_OF_MONTH, dayOfMonth); 606b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru internalSet(UCAL_DAY_OF_YEAR, dayOfYear); 607b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 608b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 609b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruUBool 610b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruIslamicCalendar::inDaylightTime(UErrorCode& status) const 611b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru{ 612b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru // copied from GregorianCalendar 613c69afcec261fc345fda8daf46f0ea6b4351dc777Jean-Baptiste Queru if (U_FAILURE(status) || (&(getTimeZone()) == NULL && !getTimeZone().useDaylightTime())) 614b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return FALSE; 615b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 616b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru // Force an update of the state of the Calendar. 617b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru ((IslamicCalendar*)this)->complete(status); // cast away const 618b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 619b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return (UBool)(U_SUCCESS(status) ? (internalGet(UCAL_DST_OFFSET) != 0) : FALSE); 620b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 621b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 62259d709d503bab6e2b61931737e662dd293b40578ccornelius/** 62359d709d503bab6e2b61931737e662dd293b40578ccornelius * The system maintains a static default century start date and Year. They are 62459d709d503bab6e2b61931737e662dd293b40578ccornelius * initialized the first time they are used. Once the system default century date 62559d709d503bab6e2b61931737e662dd293b40578ccornelius * and year are set, they do not change. 62659d709d503bab6e2b61931737e662dd293b40578ccornelius */ 62759d709d503bab6e2b61931737e662dd293b40578ccorneliusstatic UDate gSystemDefaultCenturyStart = DBL_MIN; 62859d709d503bab6e2b61931737e662dd293b40578ccorneliusstatic int32_t gSystemDefaultCenturyStartYear = -1; 62959d709d503bab6e2b61931737e662dd293b40578ccorneliusstatic icu::UInitOnce gSystemDefaultCenturyInit = U_INITONCE_INITIALIZER; 630b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 631b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 632b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruUBool IslamicCalendar::haveDefaultCentury() const 633b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru{ 634b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return TRUE; 635b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 636b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 637b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruUDate IslamicCalendar::defaultCenturyStart() const 638b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru{ 639b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru // lazy-evaluate systemDefaultCenturyStart 64059d709d503bab6e2b61931737e662dd293b40578ccornelius umtx_initOnce(gSystemDefaultCenturyInit, &initializeSystemDefaultCentury); 64159d709d503bab6e2b61931737e662dd293b40578ccornelius return gSystemDefaultCenturyStart; 642b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 643b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 64459d709d503bab6e2b61931737e662dd293b40578ccorneliusint32_t IslamicCalendar::defaultCenturyStartYear() const 645b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru{ 646b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru // lazy-evaluate systemDefaultCenturyStartYear 64759d709d503bab6e2b61931737e662dd293b40578ccornelius umtx_initOnce(gSystemDefaultCenturyInit, &initializeSystemDefaultCentury); 64859d709d503bab6e2b61931737e662dd293b40578ccornelius return gSystemDefaultCenturyStartYear; 649b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 650b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 65159d709d503bab6e2b61931737e662dd293b40578ccornelius 65259d709d503bab6e2b61931737e662dd293b40578ccorneliusvoid U_CALLCONV 653b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruIslamicCalendar::initializeSystemDefaultCentury() 654b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru{ 655b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru // initialize systemDefaultCentury and systemDefaultCenturyYear based 656b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru // on the current time. They'll be set to 80 years before 657b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru // the current time. 658b0ac937921a2c196d8b9da665135bf6ba01a1ccfJean-Baptiste Queru UErrorCode status = U_ZERO_ERROR; 659b0ac937921a2c196d8b9da665135bf6ba01a1ccfJean-Baptiste Queru IslamicCalendar calendar(Locale("@calendar=islamic-civil"),status); 66059d709d503bab6e2b61931737e662dd293b40578ccornelius if (U_SUCCESS(status)) { 661b0ac937921a2c196d8b9da665135bf6ba01a1ccfJean-Baptiste Queru calendar.setTime(Calendar::getNow(), status); 662b0ac937921a2c196d8b9da665135bf6ba01a1ccfJean-Baptiste Queru calendar.add(UCAL_YEAR, -80, status); 66359d709d503bab6e2b61931737e662dd293b40578ccornelius 66459d709d503bab6e2b61931737e662dd293b40578ccornelius gSystemDefaultCenturyStart = calendar.getTime(status); 66559d709d503bab6e2b61931737e662dd293b40578ccornelius gSystemDefaultCenturyStartYear = calendar.get(UCAL_YEAR, status); 666b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 667b0ac937921a2c196d8b9da665135bf6ba01a1ccfJean-Baptiste Queru // We have no recourse upon failure unless we want to propagate the failure 668b0ac937921a2c196d8b9da665135bf6ba01a1ccfJean-Baptiste Queru // out. 669b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 670b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 67159d709d503bab6e2b61931737e662dd293b40578ccornelius 67259d709d503bab6e2b61931737e662dd293b40578ccornelius 673b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruUOBJECT_DEFINE_RTTI_IMPLEMENTATION(IslamicCalendar) 674b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 675b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruU_NAMESPACE_END 676b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 677b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#endif 678b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 679