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[LibreOffice.git] / i18npool / source / calendar / calendar_gregorian.cxx
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1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 /*
3 * This file is part of the LibreOffice project.
5 * This Source Code Form is subject to the terms of the Mozilla Public
6 * License, v. 2.0. If a copy of the MPL was not distributed with this
7 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
9 * This file incorporates work covered by the following license notice:
11 * Licensed to the Apache Software Foundation (ASF) under one or more
12 * contributor license agreements. See the NOTICE file distributed
13 * with this work for additional information regarding copyright
14 * ownership. The ASF licenses this file to you under the Apache
15 * License, Version 2.0 (the "License"); you may not use this file
16 * except in compliance with the License. You may obtain a copy of
17 * the License at http://www.apache.org/licenses/LICENSE-2.0 .
20 #include <algorithm>
22 #include <calendar_gregorian.hxx>
23 #include <localedata.hxx>
24 #include <nativenumbersupplier.hxx>
25 #include <com/sun/star/i18n/CalendarDisplayCode.hpp>
26 #include <com/sun/star/i18n/CalendarDisplayIndex.hpp>
27 #include <com/sun/star/i18n/NativeNumberMode.hpp>
28 #include <com/sun/star/i18n/reservedWords.hpp>
29 #include <cppuhelper/supportsservice.hxx>
30 #include <rtl/math.hxx>
31 #include <sal/log.hxx>
33 #include <stdio.h>
34 #include <string.h>
36 #define erDUMP_ICU_CALENDAR 0
37 #define erDUMP_I18N_CALENDAR 0
38 #if erDUMP_ICU_CALENDAR || erDUMP_I18N_CALENDAR
39 // If both are used, DUMP_ICU_CAL_MSG() must be used before DUMP_I18N_CAL_MSG()
40 // to obtain internally set values from ICU, else Calendar::get() calls in
41 // DUMP_I18N_CAL_MSG() recalculate!
43 // These pieces of macro are shamelessly borrowed from icu's olsontz.cpp, the
44 // double parens'ed approach to pass multiple parameters as one macro parameter
45 // is appealing.
46 static void debug_cal_loc(const char *f, int32_t l)
48 fprintf(stderr, "%s:%d: ", f, l);
50 # include <stdarg.h>
51 static void debug_cal_msg(const char *pat, ...)
53 va_list ap;
54 va_start(ap, pat);
55 vfprintf(stderr, pat, ap);
56 va_end(ap);
59 #if erDUMP_ICU_CALENDAR
60 // Make icu with
61 // DEFS = -DU_DEBUG_CALSVC -DUCAL_DEBUG_DUMP
62 // in workdir/UnpackedTarball/icu/source/icudefs.mk
63 // May need some patches to fix unmaintained things there.
64 extern void ucal_dump( const icu::Calendar & );
65 static void debug_icu_cal_dump( const ::icu::Calendar & r )
67 ucal_dump(r);
68 fflush(stderr);
69 // set a breakpoint here to pause display between dumps
71 // must use double parens, i.e.: DUMP_ICU_CAL_MSG(("four is: %d",4));
72 #define DUMP_ICU_CAL_MSG(x) {debug_cal_loc(__FILE__,__LINE__);debug_cal_msg x;debug_icu_cal_dump(*body);}
73 #else // erDUMP_ICU_CALENDAR
74 #define DUMP_ICU_CAL_MSG(x)
75 #endif // erDUMP_ICU_CALENDAR
77 #if erDUMP_I18N_CALENDAR
78 static void debug_cal_millis_to_time( long nMillis, long & h, long & m, long & s, long & f )
80 int sign = (nMillis < 0 ? -1 : 1);
81 nMillis = ::std::abs(nMillis);
82 h = sign * nMillis / (60 * 60 * 1000);
83 nMillis -= sign * h * (60 * 60 * 1000);
84 m = nMillis / (60 * 1000);
85 nMillis -= m * (60 * 1000);
86 s = nMillis / (1000);
87 nMillis -= s * (1000);
88 f = nMillis;
90 static void debug_i18n_cal_dump( const ::icu::Calendar & r )
92 UErrorCode status;
93 long nMillis, h, m, s, f;
94 fprintf( stderr, " %04ld", (long)r.get( UCAL_YEAR, status = U_ZERO_ERROR));
95 fprintf( stderr, "-%02ld", (long)r.get( UCAL_MONTH, status = U_ZERO_ERROR)+1);
96 fprintf( stderr, "-%02ld", (long)r.get( UCAL_DATE, status = U_ZERO_ERROR));
97 fprintf( stderr, " %02ld", (long)r.get( UCAL_HOUR_OF_DAY, status = U_ZERO_ERROR));
98 fprintf( stderr, ":%02ld", (long)r.get( UCAL_MINUTE, status = U_ZERO_ERROR));
99 fprintf( stderr, ":%02ld", (long)r.get( UCAL_SECOND, status = U_ZERO_ERROR));
100 fprintf( stderr, " zone: %ld", (long)(nMillis = r.get( UCAL_ZONE_OFFSET, status = U_ZERO_ERROR)));
101 fprintf( stderr, " (%f min)", (double)nMillis / 60000);
102 debug_cal_millis_to_time( nMillis, h, m, s, f);
103 fprintf( stderr, " (%ld:%02ld:%02ld.%ld)", h, m, s, f);
104 fprintf( stderr, " DST: %ld", (long)(nMillis = r.get( UCAL_DST_OFFSET, status = U_ZERO_ERROR)));
105 fprintf( stderr, " (%f min)", (double)nMillis / 60000);
106 debug_cal_millis_to_time( nMillis, h, m, s, f);
107 fprintf( stderr, " (%ld:%02ld:%02ld.%ld)", h, m, s, f);
108 fprintf( stderr, "\n");
109 fflush(stderr);
111 // must use double parens, i.e.: DUMP_I18N_CAL_MSG(("four is: %d",4));
112 #define DUMP_I18N_CAL_MSG(x) {debug_cal_loc(__FILE__,__LINE__);debug_cal_msg x;debug_i18n_cal_dump(*body);}
113 #else // erDUMP_I18N_CALENDAR
114 #define DUMP_I18N_CAL_MSG(x)
115 #endif // erDUMP_I18N_CALENDAR
117 #else // erDUMP_ICU_CALENDAR || erDUMP_I18N_CALENDAR
118 #define DUMP_ICU_CAL_MSG(x)
119 #define DUMP_I18N_CAL_MSG(x)
120 #endif // erDUMP_ICU_CALENDAR || erDUMP_I18N_CALENDAR
123 using namespace ::com::sun::star::uno;
124 using namespace ::com::sun::star::i18n;
125 using namespace ::com::sun::star::lang;
128 namespace i18npool {
130 #define ERROR RuntimeException()
132 Calendar_gregorian::Calendar_gregorian()
133 : mxNatNum(new NativeNumberSupplierService)
135 init(nullptr);
137 Calendar_gregorian::Calendar_gregorian(const Era *_earArray)
138 : mxNatNum(new NativeNumberSupplierService)
140 init(_earArray);
142 void
143 Calendar_gregorian::init(const Era *_eraArray)
145 cCalendar = "com.sun.star.i18n.Calendar_gregorian";
147 fieldSet = 0;
149 // #i102356# With icu::Calendar::createInstance(UErrorCode) in a Thai
150 // th_TH system locale we accidentally used a Buddhist calendar. Though
151 // the ICU documentation says that should be the case only for
152 // th_TH_TRADITIONAL (and ja_JP_TRADITIONAL Gengou), a plain th_TH
153 // already triggers that behavior, ja_JP does not. Strange enough,
154 // passing a th_TH locale to the calendar creation doesn't trigger
155 // this.
156 // See also http://userguide.icu-project.org/datetime/calendar
158 // Whatever ICU offers as the default calendar for a locale, ensure we
159 // have a Gregorian calendar as requested.
161 /* XXX: with the current implementation the aLocale member variable is
162 * not set prior to loading a calendar from locale data. This
163 * creates an empty (root) locale for ICU, but at least the correct
164 * calendar is used. The language part must not be NULL (respectively
165 * not all, language and country and variant), otherwise the current
166 * default locale would be used again and the calendar keyword ignored.
167 * */
168 icu::Locale aIcuLocale( "", nullptr, nullptr, "calendar=gregorian");
170 UErrorCode status = U_ZERO_ERROR;
171 body.reset( icu::Calendar::createInstance( aIcuLocale, status) );
172 if (!body || !U_SUCCESS(status)) throw ERROR;
173 eraArray=_eraArray;
176 Calendar_gregorian::~Calendar_gregorian()
180 Calendar_hanja::Calendar_hanja()
182 cCalendar = "com.sun.star.i18n.Calendar_hanja";
185 OUString SAL_CALL
186 Calendar_hanja::getDisplayName( sal_Int16 displayIndex, sal_Int16 idx, sal_Int16 nameType )
188 if ( displayIndex == CalendarDisplayIndex::AM_PM ) {
189 // Am/Pm string for Korean Hanja calendar will refer to Japanese locale
190 css::lang::Locale jaLocale("ja", OUString(), OUString());
191 if (idx == 0) return LocaleDataImpl::get()->getLocaleItem(jaLocale).timeAM;
192 else if (idx == 1) return LocaleDataImpl::get()->getLocaleItem(jaLocale).timePM;
193 else throw ERROR;
195 else
196 return Calendar_gregorian::getDisplayName( displayIndex, idx, nameType );
199 void SAL_CALL
200 Calendar_hanja::loadCalendar( const OUString& /*uniqueID*/, const css::lang::Locale& rLocale )
202 // Since this class could be called by service name 'hanja_yoil', we have to
203 // rename uniqueID to get right calendar defined in locale data.
204 Calendar_gregorian::loadCalendar("hanja", rLocale);
207 static const Era gengou_eraArray[] = {
208 {1868, 1, 1, 0}, // Meiji
209 {1912, 7, 30, 0}, // Taisho
210 {1926, 12, 25, 0}, // Showa
211 {1989, 1, 8, 0}, // Heisei
212 {2019, 5, 1, 0}, // Reiwa
213 {0, 0, 0, 0}
215 Calendar_gengou::Calendar_gengou() : Calendar_gregorian(gengou_eraArray)
217 cCalendar = "com.sun.star.i18n.Calendar_gengou";
220 static const Era ROC_eraArray[] = {
221 {1912, 1, 1, kDisplayEraForcedLongYear}, // #i116701#
222 {0, 0, 0, 0}
224 Calendar_ROC::Calendar_ROC() : Calendar_gregorian(ROC_eraArray)
226 cCalendar = "com.sun.star.i18n.Calendar_ROC";
229 static const Era buddhist_eraArray[] = {
230 {-542, 1, 1, 0},
231 {0, 0, 0, 0}
233 Calendar_buddhist::Calendar_buddhist() : Calendar_gregorian(buddhist_eraArray)
235 cCalendar = "com.sun.star.i18n.Calendar_buddhist";
238 void SAL_CALL
239 Calendar_gregorian::loadCalendar( const OUString& uniqueID, const css::lang::Locale& rLocale )
241 // init. fieldValue[]
242 getValue();
244 aLocale = rLocale;
245 Sequence< Calendar2 > xC = LocaleDataImpl::get()->getAllCalendars2(rLocale);
246 for (sal_Int32 i = 0; i < xC.getLength(); i++)
248 if (uniqueID == xC[i].Name)
250 aCalendar = xC[i];
251 // setup minimalDaysInFirstWeek
252 setMinimumNumberOfDaysForFirstWeek(
253 aCalendar.MinimumNumberOfDaysForFirstWeek);
254 // setup first day of week
255 for (sal_Int16 day = sal::static_int_cast<sal_Int16>(
256 aCalendar.Days.getLength()-1); day>=0; day--)
258 if (aCalendar.StartOfWeek == aCalendar.Days[day].ID)
260 setFirstDayOfWeek( day);
261 return;
266 // Calendar is not for the locale
267 throw ERROR;
271 css::i18n::Calendar2 SAL_CALL
272 Calendar_gregorian::getLoadedCalendar2()
274 return aCalendar;
277 css::i18n::Calendar SAL_CALL
278 Calendar_gregorian::getLoadedCalendar()
280 return LocaleDataImpl::downcastCalendar( aCalendar);
283 OUString SAL_CALL
284 Calendar_gregorian::getUniqueID()
286 return aCalendar.Name;
289 void SAL_CALL
290 Calendar_gregorian::setDateTime( double fTimeInDays )
292 // ICU handles dates in milliseconds as double values and uses floor()
293 // to obtain integer values, which may yield a date decremented by one
294 // for odd (historical) timezone values where the computed value due to
295 // rounding errors has a fractional part in milliseconds. Ensure we
296 // pass a value without fraction here. If not, that may lead to
297 // fdo#44286 or fdo#52619 and the like, e.g. when passing
298 // -2136315212000.000244 instead of -2136315212000.000000
299 double fM = fTimeInDays * U_MILLIS_PER_DAY;
300 double fR = rtl::math::round( fM );
301 SAL_INFO_IF( fM != fR, "i18npool",
302 "Calendar_gregorian::setDateTime: " << std::fixed << fM << " rounded to " << fR);
303 UErrorCode status = U_ZERO_ERROR;
304 body->setTime( fR, status);
305 if ( !U_SUCCESS(status) ) throw ERROR;
306 getValue();
309 double SAL_CALL
310 Calendar_gregorian::getDateTime()
312 if (fieldSet) {
313 setValue();
314 getValue();
316 UErrorCode status = U_ZERO_ERROR;
317 double fR = body->getTime(status);
318 if ( !U_SUCCESS(status) ) throw ERROR;
319 return fR / U_MILLIS_PER_DAY;
322 void SAL_CALL
323 Calendar_gregorian::setLocalDateTime( double fTimeInDays )
325 // See setDateTime() for why the rounding.
326 double fM = fTimeInDays * U_MILLIS_PER_DAY;
327 double fR = rtl::math::round( fM );
328 SAL_INFO_IF( fM != fR, "i18npool",
329 "Calendar_gregorian::setLocalDateTime: " << std::fixed << fM << " rounded to " << fR);
330 int32_t nZoneOffset, nDSTOffset;
331 UErrorCode status = U_ZERO_ERROR;
332 body->getTimeZone().getOffset( fR, TRUE, nZoneOffset, nDSTOffset, status );
333 if ( !U_SUCCESS(status) ) throw ERROR;
334 status = U_ZERO_ERROR;
335 body->setTime( fR - (nZoneOffset + nDSTOffset), status );
336 if ( !U_SUCCESS(status) ) throw ERROR;
337 getValue();
340 double SAL_CALL
341 Calendar_gregorian::getLocalDateTime()
343 if (fieldSet) {
344 setValue();
345 getValue();
347 UErrorCode status = U_ZERO_ERROR;
348 double fTime = body->getTime( status );
349 if ( !U_SUCCESS(status) ) throw ERROR;
350 status = U_ZERO_ERROR;
351 int32_t nZoneOffset = body->get( UCAL_ZONE_OFFSET, status );
352 if ( !U_SUCCESS(status) ) throw ERROR;
353 status = U_ZERO_ERROR;
354 int32_t nDSTOffset = body->get( UCAL_DST_OFFSET, status );
355 if ( !U_SUCCESS(status) ) throw ERROR;
356 return (fTime + (nZoneOffset + nDSTOffset)) / U_MILLIS_PER_DAY;
359 // map field value from gregorian calendar to other calendar, it can be overwritten by derived class.
360 // By using eraArray, it can take care Japanese and Taiwan ROC calendar.
361 void Calendar_gregorian::mapFromGregorian()
363 if (eraArray) {
364 sal_Int16 e, y, m, d;
366 e = fieldValue[CalendarFieldIndex::ERA];
367 y = fieldValue[CalendarFieldIndex::YEAR];
368 m = fieldValue[CalendarFieldIndex::MONTH] + 1;
369 d = fieldValue[CalendarFieldIndex::DAY_OF_MONTH];
371 // since the year is reversed for first era, it is reversed again here for Era compare.
372 if (e == 0)
373 y = 1 - y;
375 for (e = 0; eraArray[e].year; e++)
376 if ((y != eraArray[e].year) ? y < eraArray[e].year :
377 (m != eraArray[e].month) ? m < eraArray[e].month : d < eraArray[e].day)
378 break;
380 fieldValue[CalendarFieldIndex::ERA] = e;
381 fieldValue[CalendarFieldIndex::YEAR] =
382 sal::static_int_cast<sal_Int16>( (e == 0) ? (eraArray[0].year - y) : (y - eraArray[e-1].year + 1) );
386 #define FIELDS ((1 << CalendarFieldIndex::ERA) | (1 << CalendarFieldIndex::YEAR))
387 // map field value from other calendar to gregorian calendar, it can be overwritten by derived class.
388 // By using eraArray, it can take care Japanese and Taiwan ROC calendar.
389 void Calendar_gregorian::mapToGregorian()
391 if (eraArray && (fieldSet & FIELDS)) {
392 sal_Int16 y, e = fieldValue[CalendarFieldIndex::ERA];
393 if (e == 0)
394 y = sal::static_int_cast<sal_Int16>( eraArray[0].year - fieldValue[CalendarFieldIndex::YEAR] );
395 else
396 y = sal::static_int_cast<sal_Int16>( eraArray[e-1].year + fieldValue[CalendarFieldIndex::YEAR] - 1 );
398 fieldSetValue[CalendarFieldIndex::ERA] = y <= 0 ? 0 : 1;
399 fieldSetValue[CalendarFieldIndex::YEAR] = (y <= 0 ? 1 - y : y);
400 fieldSet |= FIELDS;
404 /// @throws RuntimeException
405 static UCalendarDateFields fieldNameConverter(sal_Int16 fieldIndex)
407 UCalendarDateFields f;
409 switch (fieldIndex) {
410 case CalendarFieldIndex::AM_PM: f = UCAL_AM_PM; break;
411 case CalendarFieldIndex::DAY_OF_MONTH: f = UCAL_DATE; break;
412 case CalendarFieldIndex::DAY_OF_WEEK: f = UCAL_DAY_OF_WEEK; break;
413 case CalendarFieldIndex::DAY_OF_YEAR: f = UCAL_DAY_OF_YEAR; break;
414 case CalendarFieldIndex::DST_OFFSET: f = UCAL_DST_OFFSET; break;
415 case CalendarFieldIndex::ZONE_OFFSET: f = UCAL_ZONE_OFFSET; break;
416 case CalendarFieldIndex::HOUR: f = UCAL_HOUR_OF_DAY; break;
417 case CalendarFieldIndex::MINUTE: f = UCAL_MINUTE; break;
418 case CalendarFieldIndex::SECOND: f = UCAL_SECOND; break;
419 case CalendarFieldIndex::MILLISECOND: f = UCAL_MILLISECOND; break;
420 case CalendarFieldIndex::WEEK_OF_MONTH: f = UCAL_WEEK_OF_MONTH; break;
421 case CalendarFieldIndex::WEEK_OF_YEAR: f = UCAL_WEEK_OF_YEAR; break;
422 case CalendarFieldIndex::YEAR: f = UCAL_YEAR; break;
423 case CalendarFieldIndex::MONTH: f = UCAL_MONTH; break;
424 case CalendarFieldIndex::ERA: f = UCAL_ERA; break;
425 default: throw ERROR;
427 return f;
430 void SAL_CALL
431 Calendar_gregorian::setValue( sal_Int16 fieldIndex, sal_Int16 value )
433 if (fieldIndex < 0 || FIELD_INDEX_COUNT <= fieldIndex)
434 throw ERROR;
435 fieldSet |= (1 << fieldIndex);
436 fieldValue[fieldIndex] = value;
439 bool Calendar_gregorian::getCombinedOffset( sal_Int32 & o_nOffset,
440 sal_Int16 nParentFieldIndex, sal_Int16 nChildFieldIndex ) const
442 o_nOffset = 0;
443 bool bFieldsSet = false;
444 if (fieldSet & (1 << nParentFieldIndex))
446 bFieldsSet = true;
447 o_nOffset = static_cast<sal_Int32>( fieldValue[nParentFieldIndex]) * 60000;
449 if (fieldSet & (1 << nChildFieldIndex))
451 bFieldsSet = true;
452 if (o_nOffset < 0)
453 o_nOffset -= static_cast<sal_uInt16>( fieldValue[nChildFieldIndex]);
454 else
455 o_nOffset += static_cast<sal_uInt16>( fieldValue[nChildFieldIndex]);
457 return bFieldsSet;
460 bool Calendar_gregorian::getZoneOffset( sal_Int32 & o_nOffset ) const
462 return getCombinedOffset( o_nOffset, CalendarFieldIndex::ZONE_OFFSET,
463 CalendarFieldIndex::ZONE_OFFSET_SECOND_MILLIS);
466 bool Calendar_gregorian::getDSTOffset( sal_Int32 & o_nOffset ) const
468 return getCombinedOffset( o_nOffset, CalendarFieldIndex::DST_OFFSET,
469 CalendarFieldIndex::DST_OFFSET_SECOND_MILLIS);
472 void Calendar_gregorian::submitFields()
474 for (sal_Int16 fieldIndex = 0; fieldIndex < FIELD_INDEX_COUNT; fieldIndex++)
476 if (fieldSet & (1 << fieldIndex))
478 switch (fieldIndex)
480 default:
481 body->set(fieldNameConverter(fieldIndex), fieldSetValue[fieldIndex]);
482 break;
483 case CalendarFieldIndex::ZONE_OFFSET:
484 case CalendarFieldIndex::DST_OFFSET:
485 case CalendarFieldIndex::ZONE_OFFSET_SECOND_MILLIS:
486 case CalendarFieldIndex::DST_OFFSET_SECOND_MILLIS:
487 break; // nothing, extra handling
491 sal_Int32 nZoneOffset, nDSTOffset;
492 if (getZoneOffset( nZoneOffset))
493 body->set( fieldNameConverter( CalendarFieldIndex::ZONE_OFFSET), nZoneOffset);
494 if (getDSTOffset( nDSTOffset))
495 body->set( fieldNameConverter( CalendarFieldIndex::DST_OFFSET), nDSTOffset);
498 void Calendar_gregorian::setValue()
500 // Copy fields before calling submitFields() directly or indirectly below.
501 memcpy(fieldSetValue, fieldValue, sizeof(fieldSetValue));
502 // Possibly setup ERA and YEAR in fieldSetValue.
503 mapToGregorian();
505 DUMP_ICU_CAL_MSG(("%s\n","setValue() before submission"));
506 DUMP_I18N_CAL_MSG(("%s\n","setValue() before submission"));
508 submitFields();
510 DUMP_ICU_CAL_MSG(("%s\n","setValue() after submission"));
511 DUMP_I18N_CAL_MSG(("%s\n","setValue() after submission"));
513 #if erDUMP_ICU_CALENDAR || erDUMP_I18N_CALENDAR
515 // force icu::Calendar to recalculate
516 UErrorCode status;
517 sal_Int32 nTmp = body->get( UCAL_DATE, status = U_ZERO_ERROR);
518 DUMP_ICU_CAL_MSG(("%s: %d\n","setValue() result day",nTmp));
519 DUMP_I18N_CAL_MSG(("%s: %d\n","setValue() result day",nTmp));
521 #endif
524 void Calendar_gregorian::getValue()
526 DUMP_ICU_CAL_MSG(("%s\n","getValue()"));
527 DUMP_I18N_CAL_MSG(("%s\n","getValue()"));
528 for (sal_Int16 fieldIndex = 0; fieldIndex < FIELD_INDEX_COUNT; fieldIndex++)
530 if (fieldIndex == CalendarFieldIndex::ZONE_OFFSET_SECOND_MILLIS ||
531 fieldIndex == CalendarFieldIndex::DST_OFFSET_SECOND_MILLIS)
532 continue; // not ICU fields
534 UErrorCode status = U_ZERO_ERROR;
535 sal_Int32 value = body->get( fieldNameConverter(
536 fieldIndex), status);
537 if ( !U_SUCCESS(status) ) throw ERROR;
539 // Convert millisecond to minute for ZONE and DST and set remainder in
540 // second field.
541 if (fieldIndex == CalendarFieldIndex::ZONE_OFFSET)
543 sal_Int32 nMinutes = value / 60000;
544 sal_Int16 nMillis = static_cast<sal_Int16>( static_cast<sal_uInt16>(
545 abs( value - nMinutes * 60000)));
546 fieldValue[CalendarFieldIndex::ZONE_OFFSET] = static_cast<sal_Int16>( nMinutes);
547 fieldValue[CalendarFieldIndex::ZONE_OFFSET_SECOND_MILLIS] = nMillis;
549 else if (fieldIndex == CalendarFieldIndex::DST_OFFSET)
551 sal_Int32 nMinutes = value / 60000;
552 sal_Int16 nMillis = static_cast<sal_Int16>( static_cast<sal_uInt16>(
553 abs( value - nMinutes * 60000)));
554 fieldValue[CalendarFieldIndex::DST_OFFSET] = static_cast<sal_Int16>( nMinutes);
555 fieldValue[CalendarFieldIndex::DST_OFFSET_SECOND_MILLIS] = nMillis;
557 else
558 fieldValue[fieldIndex] = static_cast<sal_Int16>(value);
560 // offset 1 since the value for week start day SunDay is different between Calendar and Weekdays.
561 if ( fieldIndex == CalendarFieldIndex::DAY_OF_WEEK )
562 fieldValue[fieldIndex]--; // UCAL_SUNDAY:/* == 1 */ ==> Weekdays::SUNDAY /* ==0 */
564 mapFromGregorian();
565 fieldSet = 0;
568 sal_Int16 SAL_CALL
569 Calendar_gregorian::getValue( sal_Int16 fieldIndex )
571 if (fieldIndex < 0 || FIELD_INDEX_COUNT <= fieldIndex)
572 throw ERROR;
574 if (fieldSet) {
575 setValue();
576 getValue();
579 return fieldValue[fieldIndex];
582 void SAL_CALL
583 Calendar_gregorian::addValue( sal_Int16 fieldIndex, sal_Int32 value )
585 // since ZONE and DST could not be add, we don't need to convert value here
586 UErrorCode status = U_ZERO_ERROR;
587 body->add(fieldNameConverter(fieldIndex), value, status);
588 if ( !U_SUCCESS(status) ) throw ERROR;
589 getValue();
592 sal_Bool SAL_CALL
593 Calendar_gregorian::isValid()
595 if (fieldSet) {
596 sal_Int32 tmp = fieldSet;
597 setValue();
598 memcpy(fieldSetValue, fieldValue, sizeof(fieldSetValue));
599 getValue();
600 for ( sal_Int16 fieldIndex = 0; fieldIndex < FIELD_INDEX_COUNT; fieldIndex++ ) {
601 // compare only with fields that are set and reset fieldSet[]
602 if (tmp & (1 << fieldIndex)) {
603 if (fieldSetValue[fieldIndex] != fieldValue[fieldIndex])
604 return false;
608 return true;
611 // NativeNumberMode has different meaning between Number and Calendar for Asian locales.
612 // Here is the mapping table
613 // calendar(q/y/m/d) zh_CN zh_TW ja ko
614 // NatNum1 NatNum1/1/7/7 NatNum1/1/7/7 NatNum1/1/4/4 NatNum1/1/7/7
615 // NatNum2 NatNum2/2/8/8 NatNum2/2/8/8 NatNum2/2/5/5 NatNum2/2/8/8
616 // NatNum3 NatNum3/3/3/3 NatNum3/3/3/3 NatNum3/3/3/3 NatNum3/3/3/3
617 // NatNum4 NatNum9/9/11/11
619 static sal_Int16 NatNumForCalendar(const css::lang::Locale& aLocale,
620 sal_Int32 nCalendarDisplayCode, sal_Int16 nNativeNumberMode, sal_Int16 value )
622 bool isShort = ((nCalendarDisplayCode == CalendarDisplayCode::SHORT_YEAR ||
623 nCalendarDisplayCode == CalendarDisplayCode::LONG_YEAR) && value >= 100) ||
624 nCalendarDisplayCode == CalendarDisplayCode::SHORT_QUARTER ||
625 nCalendarDisplayCode == CalendarDisplayCode::LONG_QUARTER;
626 bool isChinese = aLocale.Language == "zh";
627 bool isJapanese = aLocale.Language == "ja";
628 bool isKorean = aLocale.Language == "ko";
630 if (isChinese || isJapanese || isKorean) {
631 switch (nNativeNumberMode) {
632 case NativeNumberMode::NATNUM1:
633 if (!isShort)
634 nNativeNumberMode = isJapanese ? NativeNumberMode::NATNUM4 : NativeNumberMode::NATNUM7;
635 break;
636 case NativeNumberMode::NATNUM2:
637 if (!isShort)
638 nNativeNumberMode = isJapanese ? NativeNumberMode::NATNUM5 : NativeNumberMode::NATNUM8;
639 break;
640 case NativeNumberMode::NATNUM3:
641 break;
642 case NativeNumberMode::NATNUM4:
643 if (isKorean)
644 return isShort ? NativeNumberMode::NATNUM9 : NativeNumberMode::NATNUM11;
645 [[fallthrough]];
646 default: return 0;
649 return nNativeNumberMode;
652 static sal_Int32 DisplayCode2FieldIndex(sal_Int32 nCalendarDisplayCode)
654 switch( nCalendarDisplayCode ) {
655 case CalendarDisplayCode::SHORT_DAY:
656 case CalendarDisplayCode::LONG_DAY:
657 return CalendarFieldIndex::DAY_OF_MONTH;
658 case CalendarDisplayCode::SHORT_DAY_NAME:
659 case CalendarDisplayCode::LONG_DAY_NAME:
660 case CalendarDisplayCode::NARROW_DAY_NAME:
661 return CalendarFieldIndex::DAY_OF_WEEK;
662 case CalendarDisplayCode::SHORT_QUARTER:
663 case CalendarDisplayCode::LONG_QUARTER:
664 case CalendarDisplayCode::SHORT_MONTH:
665 case CalendarDisplayCode::LONG_MONTH:
666 case CalendarDisplayCode::SHORT_MONTH_NAME:
667 case CalendarDisplayCode::LONG_MONTH_NAME:
668 case CalendarDisplayCode::NARROW_MONTH_NAME:
669 case CalendarDisplayCode::SHORT_GENITIVE_MONTH_NAME:
670 case CalendarDisplayCode::LONG_GENITIVE_MONTH_NAME:
671 case CalendarDisplayCode::NARROW_GENITIVE_MONTH_NAME:
672 case CalendarDisplayCode::SHORT_PARTITIVE_MONTH_NAME:
673 case CalendarDisplayCode::LONG_PARTITIVE_MONTH_NAME:
674 case CalendarDisplayCode::NARROW_PARTITIVE_MONTH_NAME:
675 return CalendarFieldIndex::MONTH;
676 case CalendarDisplayCode::SHORT_YEAR:
677 case CalendarDisplayCode::LONG_YEAR:
678 return CalendarFieldIndex::YEAR;
679 case CalendarDisplayCode::SHORT_ERA:
680 case CalendarDisplayCode::LONG_ERA:
681 return CalendarFieldIndex::ERA;
682 case CalendarDisplayCode::SHORT_YEAR_AND_ERA:
683 case CalendarDisplayCode::LONG_YEAR_AND_ERA:
684 return CalendarFieldIndex::YEAR;
685 default:
686 return 0;
690 sal_Int16 SAL_CALL
691 Calendar_gregorian::getFirstDayOfWeek()
693 // UCAL_SUNDAY == 1, Weekdays::SUNDAY == 0 => offset -1
694 // Check for underflow just in case we're called "out of sync".
695 return ::std::max( sal::static_int_cast<sal_Int16>(0),
696 sal::static_int_cast<sal_Int16>( static_cast<sal_Int16>(
697 body->getFirstDayOfWeek()) - 1));
700 void SAL_CALL
701 Calendar_gregorian::setFirstDayOfWeek( sal_Int16 day )
703 // Weekdays::SUNDAY == 0, UCAL_SUNDAY == 1 => offset +1
704 body->setFirstDayOfWeek( static_cast<UCalendarDaysOfWeek>( day + 1));
707 void SAL_CALL
708 Calendar_gregorian::setMinimumNumberOfDaysForFirstWeek( sal_Int16 days )
710 aCalendar.MinimumNumberOfDaysForFirstWeek = days;
711 body->setMinimalDaysInFirstWeek( static_cast<uint8_t>( days));
714 sal_Int16 SAL_CALL
715 Calendar_gregorian::getMinimumNumberOfDaysForFirstWeek()
717 return aCalendar.MinimumNumberOfDaysForFirstWeek;
720 sal_Int16 SAL_CALL
721 Calendar_gregorian::getNumberOfMonthsInYear()
723 return static_cast<sal_Int16>(aCalendar.Months.getLength());
727 sal_Int16 SAL_CALL
728 Calendar_gregorian::getNumberOfDaysInWeek()
730 return static_cast<sal_Int16>(aCalendar.Days.getLength());
734 Sequence< CalendarItem > SAL_CALL
735 Calendar_gregorian::getDays()
737 return LocaleDataImpl::downcastCalendarItems( aCalendar.Days);
741 Sequence< CalendarItem > SAL_CALL
742 Calendar_gregorian::getMonths()
744 return LocaleDataImpl::downcastCalendarItems( aCalendar.Months);
748 Sequence< CalendarItem2 > SAL_CALL
749 Calendar_gregorian::getDays2()
751 return aCalendar.Days;
755 Sequence< CalendarItem2 > SAL_CALL
756 Calendar_gregorian::getMonths2()
758 return aCalendar.Months;
762 Sequence< CalendarItem2 > SAL_CALL
763 Calendar_gregorian::getGenitiveMonths2()
765 return aCalendar.GenitiveMonths;
769 Sequence< CalendarItem2 > SAL_CALL
770 Calendar_gregorian::getPartitiveMonths2()
772 return aCalendar.PartitiveMonths;
776 OUString SAL_CALL
777 Calendar_gregorian::getDisplayName( sal_Int16 displayIndex, sal_Int16 idx, sal_Int16 nameType )
779 OUString aStr;
781 switch( displayIndex ) {
782 case CalendarDisplayIndex::AM_PM:/* ==0 */
783 if (idx == 0) aStr = LocaleDataImpl::get()->getLocaleItem(aLocale).timeAM;
784 else if (idx == 1) aStr = LocaleDataImpl::get()->getLocaleItem(aLocale).timePM;
785 else throw ERROR;
786 break;
787 case CalendarDisplayIndex::DAY:
788 if( idx >= aCalendar.Days.getLength() ) throw ERROR;
789 if (nameType == 0) aStr = aCalendar.Days[idx].AbbrevName;
790 else if (nameType == 1) aStr = aCalendar.Days[idx].FullName;
791 else if (nameType == 2) aStr = aCalendar.Days[idx].NarrowName;
792 else throw ERROR;
793 break;
794 case CalendarDisplayIndex::MONTH:
795 if( idx >= aCalendar.Months.getLength() ) throw ERROR;
796 if (nameType == 0) aStr = aCalendar.Months[idx].AbbrevName;
797 else if (nameType == 1) aStr = aCalendar.Months[idx].FullName;
798 else if (nameType == 2) aStr = aCalendar.Months[idx].NarrowName;
799 else throw ERROR;
800 break;
801 case CalendarDisplayIndex::GENITIVE_MONTH:
802 if( idx >= aCalendar.GenitiveMonths.getLength() ) throw ERROR;
803 if (nameType == 0) aStr = aCalendar.GenitiveMonths[idx].AbbrevName;
804 else if (nameType == 1) aStr = aCalendar.GenitiveMonths[idx].FullName;
805 else if (nameType == 2) aStr = aCalendar.GenitiveMonths[idx].NarrowName;
806 else throw ERROR;
807 break;
808 case CalendarDisplayIndex::PARTITIVE_MONTH:
809 if( idx >= aCalendar.PartitiveMonths.getLength() ) throw ERROR;
810 if (nameType == 0) aStr = aCalendar.PartitiveMonths[idx].AbbrevName;
811 else if (nameType == 1) aStr = aCalendar.PartitiveMonths[idx].FullName;
812 else if (nameType == 2) aStr = aCalendar.PartitiveMonths[idx].NarrowName;
813 else throw ERROR;
814 break;
815 case CalendarDisplayIndex::ERA:
816 if( idx >= aCalendar.Eras.getLength() ) throw ERROR;
817 if (nameType == 0) aStr = aCalendar.Eras[idx].AbbrevName;
818 else if (nameType == 1) aStr = aCalendar.Eras[idx].FullName;
819 else throw ERROR;
820 break;
821 case CalendarDisplayIndex::YEAR:
822 break;
823 default:
824 throw ERROR;
826 return aStr;
829 // Methods in XExtendedCalendar
830 OUString SAL_CALL
831 Calendar_gregorian::getDisplayString( sal_Int32 nCalendarDisplayCode, sal_Int16 nNativeNumberMode )
833 return getDisplayStringImpl( nCalendarDisplayCode, nNativeNumberMode, false);
836 OUString
837 Calendar_gregorian::getDisplayStringImpl( sal_Int32 nCalendarDisplayCode, sal_Int16 nNativeNumberMode, bool bEraMode )
839 sal_Int16 value = getValue(sal::static_int_cast<sal_Int16>( DisplayCode2FieldIndex(nCalendarDisplayCode) ));
840 OUString aOUStr;
842 if (nCalendarDisplayCode == CalendarDisplayCode::SHORT_QUARTER ||
843 nCalendarDisplayCode == CalendarDisplayCode::LONG_QUARTER) {
844 Sequence< OUString> xR = LocaleDataImpl::get()->getReservedWord(aLocale);
845 sal_Int16 quarter = value / 3;
846 // Since this base class method may be called by derived calendar
847 // classes where a year consists of more than 12 months we need a check
848 // to not run out of bounds of reserved quarter words. Perhaps a more
849 // clean way (instead of dividing by 3) would be to first get the
850 // number of months, divide by 4 and then use that result to divide the
851 // actual month value.
852 if ( quarter > 3 )
853 quarter = 3;
854 quarter = sal::static_int_cast<sal_Int16>( quarter +
855 ((nCalendarDisplayCode == CalendarDisplayCode::SHORT_QUARTER) ?
856 reservedWords::QUARTER1_ABBREVIATION : reservedWords::QUARTER1_WORD) );
857 aOUStr = xR[quarter];
858 } else {
859 // The "#100211# - checked" comments serve for detection of "use of
860 // sprintf is safe here" conditions. An sprintf encountered without
861 // having that comment triggers alarm ;-)
862 sal_Char aStr[10];
863 switch( nCalendarDisplayCode ) {
864 case CalendarDisplayCode::SHORT_MONTH:
865 value += 1; // month is zero based
866 [[fallthrough]];
867 case CalendarDisplayCode::SHORT_DAY:
868 sprintf(aStr, "%d", value); // #100211# - checked
869 break;
870 case CalendarDisplayCode::LONG_YEAR:
871 if ( aCalendar.Name == "gengou" )
872 sprintf(aStr, "%02d", value); // #100211# - checked
873 else
874 sprintf(aStr, "%d", value); // #100211# - checked
875 break;
876 case CalendarDisplayCode::LONG_MONTH:
877 value += 1; // month is zero based
878 sprintf(aStr, "%02d", value); // #100211# - checked
879 break;
880 case CalendarDisplayCode::SHORT_YEAR:
881 // Take last 2 digits, or only one if value<10, for example,
882 // in case of the Gengou calendar. For combined era+year always
883 // the full year is displayed, without leading 0.
884 // Workaround for non-combined calls in certain calendars is
885 // the kDisplayEraForcedLongYear flag, but this also could get
886 // called for YY not only E format codes, no differentiation
887 // possible here; the good news is that usually the Gregorian
888 // calendar is the default and hence YY calls for Gregorian and
889 // E for the other calendar and currently (2013-02-28) ROC is
890 // the only calendar using this.
891 // See i#116701 and fdo#60915
892 if (value < 100 || bEraMode || (eraArray && (eraArray[0].flags & kDisplayEraForcedLongYear)))
893 sprintf(aStr, "%d", value); // #100211# - checked
894 else
895 sprintf(aStr, "%02d", value % 100); // #100211# - checked
896 break;
897 case CalendarDisplayCode::LONG_DAY:
898 sprintf(aStr, "%02d", value); // #100211# - checked
899 break;
901 case CalendarDisplayCode::SHORT_DAY_NAME:
902 return getDisplayName(CalendarDisplayIndex::DAY, value, 0);
903 case CalendarDisplayCode::LONG_DAY_NAME:
904 return getDisplayName(CalendarDisplayIndex::DAY, value, 1);
905 case CalendarDisplayCode::NARROW_DAY_NAME:
906 return getDisplayName(CalendarDisplayIndex::DAY, value, 2);
907 case CalendarDisplayCode::SHORT_MONTH_NAME:
908 return getDisplayName(CalendarDisplayIndex::MONTH, value, 0);
909 case CalendarDisplayCode::LONG_MONTH_NAME:
910 return getDisplayName(CalendarDisplayIndex::MONTH, value, 1);
911 case CalendarDisplayCode::NARROW_MONTH_NAME:
912 return getDisplayName(CalendarDisplayIndex::MONTH, value, 2);
913 case CalendarDisplayCode::SHORT_GENITIVE_MONTH_NAME:
914 return getDisplayName(CalendarDisplayIndex::GENITIVE_MONTH, value, 0);
915 case CalendarDisplayCode::LONG_GENITIVE_MONTH_NAME:
916 return getDisplayName(CalendarDisplayIndex::GENITIVE_MONTH, value, 1);
917 case CalendarDisplayCode::NARROW_GENITIVE_MONTH_NAME:
918 return getDisplayName(CalendarDisplayIndex::GENITIVE_MONTH, value, 2);
919 case CalendarDisplayCode::SHORT_PARTITIVE_MONTH_NAME:
920 return getDisplayName(CalendarDisplayIndex::PARTITIVE_MONTH, value, 0);
921 case CalendarDisplayCode::LONG_PARTITIVE_MONTH_NAME:
922 return getDisplayName(CalendarDisplayIndex::PARTITIVE_MONTH, value, 1);
923 case CalendarDisplayCode::NARROW_PARTITIVE_MONTH_NAME:
924 return getDisplayName(CalendarDisplayIndex::PARTITIVE_MONTH, value, 2);
925 case CalendarDisplayCode::SHORT_ERA:
926 return getDisplayName(CalendarDisplayIndex::ERA, value, 0);
927 case CalendarDisplayCode::LONG_ERA:
928 return getDisplayName(CalendarDisplayIndex::ERA, value, 1);
930 case CalendarDisplayCode::SHORT_YEAR_AND_ERA:
931 return getDisplayStringImpl( CalendarDisplayCode::SHORT_ERA, nNativeNumberMode, true ) +
932 getDisplayStringImpl( CalendarDisplayCode::SHORT_YEAR, nNativeNumberMode, true );
934 case CalendarDisplayCode::LONG_YEAR_AND_ERA:
935 return getDisplayStringImpl( CalendarDisplayCode::LONG_ERA, nNativeNumberMode, true ) +
936 getDisplayStringImpl( CalendarDisplayCode::LONG_YEAR, nNativeNumberMode, true );
938 default:
939 throw ERROR;
941 aOUStr = OUString::createFromAscii(aStr);
943 // NatNum12 used only for selected parts
944 if (nNativeNumberMode > 0 && nNativeNumberMode != 12) {
945 // For Japanese calendar, first year calls GAN, see bug 111668 for detail.
946 if (eraArray == gengou_eraArray && value == 1
947 && (nCalendarDisplayCode == CalendarDisplayCode::SHORT_YEAR ||
948 nCalendarDisplayCode == CalendarDisplayCode::LONG_YEAR)
949 && (nNativeNumberMode == NativeNumberMode::NATNUM1 ||
950 nNativeNumberMode == NativeNumberMode::NATNUM2)) {
951 static sal_Unicode gan = 0x5143;
952 return OUString(&gan, 1);
954 sal_Int16 nNatNum = NatNumForCalendar(aLocale, nCalendarDisplayCode, nNativeNumberMode, value);
955 if (nNatNum > 0)
956 return mxNatNum->getNativeNumberString(aOUStr, aLocale, nNatNum);
958 return aOUStr;
961 // Methods in XExtendedCalendar
962 OUString SAL_CALL
963 Calendar_buddhist::getDisplayString( sal_Int32 nCalendarDisplayCode, sal_Int16 nNativeNumberMode )
965 // make year and era in different order for year before and after 0.
966 if ((nCalendarDisplayCode == CalendarDisplayCode::LONG_YEAR_AND_ERA ||
967 nCalendarDisplayCode == CalendarDisplayCode::SHORT_YEAR_AND_ERA) &&
968 getValue(CalendarFieldIndex::ERA) == 0) {
969 if (nCalendarDisplayCode == CalendarDisplayCode::LONG_YEAR_AND_ERA)
970 return getDisplayStringImpl( CalendarDisplayCode::SHORT_YEAR, nNativeNumberMode, true ) +
971 getDisplayStringImpl( CalendarDisplayCode::SHORT_ERA, nNativeNumberMode, true );
972 else
973 return getDisplayStringImpl( CalendarDisplayCode::LONG_YEAR, nNativeNumberMode, true ) +
974 getDisplayStringImpl( CalendarDisplayCode::LONG_ERA, nNativeNumberMode, true );
976 return Calendar_gregorian::getDisplayString(nCalendarDisplayCode, nNativeNumberMode);
979 OUString SAL_CALL
980 Calendar_gregorian::getImplementationName()
982 return OUString::createFromAscii(cCalendar);
985 sal_Bool SAL_CALL
986 Calendar_gregorian::supportsService(const OUString& rServiceName)
988 return cppu::supportsService(this, rServiceName);
991 Sequence< OUString > SAL_CALL
992 Calendar_gregorian::getSupportedServiceNames()
994 Sequence< OUString > aRet { OUString::createFromAscii(cCalendar) };
995 return aRet;
1000 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */