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comparison: intl/icu/source/i18n/coptccal.cpp
intl/icu/source/i18n/coptccal.cpp
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| -1:000000000000 | 0:80851ea73659 |
|---|---|
| 1 /* | |
| 2 ******************************************************************************* | |
| 3 * Copyright (C) 2003 - 2013, International Business Machines Corporation and | |
| 4 * others. All Rights Reserved. | |
| 5 ******************************************************************************* | |
| 6 */ | |
| 7 | |
| 8 #include "unicode/utypes.h" | |
| 9 | |
| 10 #if !UCONFIG_NO_FORMATTING | |
| 11 | |
| 12 #include "umutex.h" | |
| 13 #include "coptccal.h" | |
| 14 #include "cecal.h" | |
| 15 #include <float.h> | |
| 16 | |
| 17 U_NAMESPACE_BEGIN | |
| 18 | |
| 19 UOBJECT_DEFINE_RTTI_IMPLEMENTATION(CopticCalendar) | |
| 20 | |
| 21 static const int32_t COPTIC_JD_EPOCH_OFFSET = 1824665; | |
| 22 | |
| 23 //------------------------------------------------------------------------- | |
| 24 // Constructors... | |
| 25 //------------------------------------------------------------------------- | |
| 26 | |
| 27 CopticCalendar::CopticCalendar(const Locale& aLocale, UErrorCode& success) | |
| 28 : CECalendar(aLocale, success) | |
| 29 { | |
| 30 } | |
| 31 | |
| 32 CopticCalendar::CopticCalendar (const CopticCalendar& other) | |
| 33 : CECalendar(other) | |
| 34 { | |
| 35 } | |
| 36 | |
| 37 CopticCalendar::~CopticCalendar() | |
| 38 { | |
| 39 } | |
| 40 | |
| 41 Calendar* | |
| 42 CopticCalendar::clone() const | |
| 43 { | |
| 44 return new CopticCalendar(*this); | |
| 45 } | |
| 46 | |
| 47 const char* | |
| 48 CopticCalendar::getType() const | |
| 49 { | |
| 50 return "coptic"; | |
| 51 } | |
| 52 | |
| 53 //------------------------------------------------------------------------- | |
| 54 // Calendar framework | |
| 55 //------------------------------------------------------------------------- | |
| 56 | |
| 57 int32_t | |
| 58 CopticCalendar::handleGetExtendedYear() | |
| 59 { | |
| 60 int32_t eyear; | |
| 61 if (newerField(UCAL_EXTENDED_YEAR, UCAL_YEAR) == UCAL_EXTENDED_YEAR) { | |
| 62 eyear = internalGet(UCAL_EXTENDED_YEAR, 1); // Default to year 1 | |
| 63 } else { | |
| 64 // The year defaults to the epoch start, the era to CE | |
| 65 int32_t era = internalGet(UCAL_ERA, CE); | |
| 66 if (era == BCE) { | |
| 67 eyear = 1 - internalGet(UCAL_YEAR, 1); // Convert to extended year | |
| 68 } else { | |
| 69 eyear = internalGet(UCAL_YEAR, 1); // Default to year 1 | |
| 70 } | |
| 71 } | |
| 72 return eyear; | |
| 73 } | |
| 74 | |
| 75 void | |
| 76 CopticCalendar::handleComputeFields(int32_t julianDay, UErrorCode &/*status*/) | |
| 77 { | |
| 78 int32_t eyear, month, day, era, year; | |
| 79 jdToCE(julianDay, getJDEpochOffset(), eyear, month, day); | |
| 80 | |
| 81 if (eyear <= 0) { | |
| 82 era = BCE; | |
| 83 year = 1 - eyear; | |
| 84 } else { | |
| 85 era = CE; | |
| 86 year = eyear; | |
| 87 } | |
| 88 | |
| 89 internalSet(UCAL_EXTENDED_YEAR, eyear); | |
| 90 internalSet(UCAL_ERA, era); | |
| 91 internalSet(UCAL_YEAR, year); | |
| 92 internalSet(UCAL_MONTH, month); | |
| 93 internalSet(UCAL_DATE, day); | |
| 94 internalSet(UCAL_DAY_OF_YEAR, (30 * month) + day); | |
| 95 } | |
| 96 | |
| 97 /** | |
| 98 * The system maintains a static default century start date and Year. They are | |
| 99 * initialized the first time they are used. Once the system default century date | |
| 100 * and year are set, they do not change. | |
| 101 */ | |
| 102 static UDate gSystemDefaultCenturyStart = DBL_MIN; | |
| 103 static int32_t gSystemDefaultCenturyStartYear = -1; | |
| 104 static icu::UInitOnce gSystemDefaultCenturyInit = U_INITONCE_INITIALIZER; | |
| 105 | |
| 106 | |
| 107 static void U_CALLCONV initializeSystemDefaultCentury() { | |
| 108 UErrorCode status = U_ZERO_ERROR; | |
| 109 CopticCalendar calendar(Locale("@calendar=coptic"), status); | |
| 110 if (U_SUCCESS(status)) { | |
| 111 calendar.setTime(Calendar::getNow(), status); | |
| 112 calendar.add(UCAL_YEAR, -80, status); | |
| 113 gSystemDefaultCenturyStart = calendar.getTime(status); | |
| 114 gSystemDefaultCenturyStartYear = calendar.get(UCAL_YEAR, status); | |
| 115 } | |
| 116 // We have no recourse upon failure unless we want to propagate the failure | |
| 117 // out. | |
| 118 } | |
| 119 | |
| 120 UDate | |
| 121 CopticCalendar::defaultCenturyStart() const | |
| 122 { | |
| 123 // lazy-evaluate systemDefaultCenturyStart | |
| 124 umtx_initOnce(gSystemDefaultCenturyInit, &initializeSystemDefaultCentury); | |
| 125 return gSystemDefaultCenturyStart; | |
| 126 } | |
| 127 | |
| 128 int32_t | |
| 129 CopticCalendar::defaultCenturyStartYear() const | |
| 130 { | |
| 131 // lazy-evaluate systemDefaultCenturyStart | |
| 132 umtx_initOnce(gSystemDefaultCenturyInit, &initializeSystemDefaultCentury); | |
| 133 return gSystemDefaultCenturyStartYear; | |
| 134 } | |
| 135 | |
| 136 | |
| 137 int32_t | |
| 138 CopticCalendar::getJDEpochOffset() const | |
| 139 { | |
| 140 return COPTIC_JD_EPOCH_OFFSET; | |
| 141 } | |
| 142 | |
| 143 | |
| 144 #if 0 | |
| 145 // We do not want to introduce this API in ICU4C. | |
| 146 // It was accidentally introduced in ICU4J as a public API. | |
| 147 | |
| 148 //------------------------------------------------------------------------- | |
| 149 // Calendar system Conversion methods... | |
| 150 //------------------------------------------------------------------------- | |
| 151 | |
| 152 int32_t | |
| 153 CopticCalendar::copticToJD(int32_t year, int32_t month, int32_t day) | |
| 154 { | |
| 155 return CECalendar::ceToJD(year, month, day, COPTIC_JD_EPOCH_OFFSET); | |
| 156 } | |
| 157 #endif | |
| 158 | |
| 159 U_NAMESPACE_END | |
| 160 | |
| 161 #endif /* #if !UCONFIG_NO_FORMATTING */ | |
| 162 //eof |
