| /* |
| ******************************************************************************* |
| * Copyright (C) 1996-2012, International Business Machines |
| * Corporation and others. All Rights Reserved. |
| ******************************************************************************* |
| */ |
| |
| #include "unicode/utypes.h" |
| |
| #if !UCONFIG_NO_FORMATTING |
| |
| #include "unicode/udat.h" |
| |
| #include "unicode/uloc.h" |
| #include "unicode/datefmt.h" |
| #include "unicode/timezone.h" |
| #include "unicode/smpdtfmt.h" |
| #include "unicode/fieldpos.h" |
| #include "unicode/parsepos.h" |
| #include "unicode/calendar.h" |
| #include "unicode/numfmt.h" |
| #include "unicode/dtfmtsym.h" |
| #include "unicode/ustring.h" |
| #include "unicode/udisplaycontext.h" |
| #include "cpputils.h" |
| #include "reldtfmt.h" |
| #include "umutex.h" |
| |
| U_NAMESPACE_USE |
| |
| /** |
| * Verify that fmt is a SimpleDateFormat. Invalid error if not. |
| * @param fmt the UDateFormat, definitely a DateFormat, maybe something else |
| * @param status error code, will be set to failure if there is a familure or the fmt is NULL. |
| */ |
| static void verifyIsSimpleDateFormat(const UDateFormat* fmt, UErrorCode *status) { |
| if(U_SUCCESS(*status) && |
| dynamic_cast<const SimpleDateFormat*>(reinterpret_cast<const DateFormat*>(fmt))==NULL) { |
| *status = U_ILLEGAL_ARGUMENT_ERROR; |
| } |
| } |
| |
| // This mirrors the correspondence between the |
| // SimpleDateFormat::fgPatternIndexToDateFormatField and |
| // SimpleDateFormat::fgPatternIndexToCalendarField arrays. |
| static UCalendarDateFields gDateFieldMapping[] = { |
| UCAL_ERA, // UDAT_ERA_FIELD = 0 |
| UCAL_YEAR, // UDAT_YEAR_FIELD = 1 |
| UCAL_MONTH, // UDAT_MONTH_FIELD = 2 |
| UCAL_DATE, // UDAT_DATE_FIELD = 3 |
| UCAL_HOUR_OF_DAY, // UDAT_HOUR_OF_DAY1_FIELD = 4 |
| UCAL_HOUR_OF_DAY, // UDAT_HOUR_OF_DAY0_FIELD = 5 |
| UCAL_MINUTE, // UDAT_MINUTE_FIELD = 6 |
| UCAL_SECOND, // UDAT_SECOND_FIELD = 7 |
| UCAL_MILLISECOND, // UDAT_FRACTIONAL_SECOND_FIELD = 8 |
| UCAL_DAY_OF_WEEK, // UDAT_DAY_OF_WEEK_FIELD = 9 |
| UCAL_DAY_OF_YEAR, // UDAT_DAY_OF_YEAR_FIELD = 10 |
| UCAL_DAY_OF_WEEK_IN_MONTH, // UDAT_DAY_OF_WEEK_IN_MONTH_FIELD = 11 |
| UCAL_WEEK_OF_YEAR, // UDAT_WEEK_OF_YEAR_FIELD = 12 |
| UCAL_WEEK_OF_MONTH, // UDAT_WEEK_OF_MONTH_FIELD = 13 |
| UCAL_AM_PM, // UDAT_AM_PM_FIELD = 14 |
| UCAL_HOUR, // UDAT_HOUR1_FIELD = 15 |
| UCAL_HOUR, // UDAT_HOUR0_FIELD = 16 |
| UCAL_ZONE_OFFSET, // UDAT_TIMEZONE_FIELD = 17 |
| UCAL_YEAR_WOY, // UDAT_YEAR_WOY_FIELD = 18 |
| UCAL_DOW_LOCAL, // UDAT_DOW_LOCAL_FIELD = 19 |
| UCAL_EXTENDED_YEAR, // UDAT_EXTENDED_YEAR_FIELD = 20 |
| UCAL_JULIAN_DAY, // UDAT_JULIAN_DAY_FIELD = 21 |
| UCAL_MILLISECONDS_IN_DAY, // UDAT_MILLISECONDS_IN_DAY_FIELD = 22 |
| UCAL_ZONE_OFFSET, // UDAT_TIMEZONE_RFC_FIELD = 23 |
| // UCAL_DST_OFFSET also |
| UCAL_ZONE_OFFSET, // UDAT_TIMEZONE_GENERIC_FIELD = 24 |
| UCAL_DOW_LOCAL, // UDAT_STANDALONE_DAY_FIELD = 25 |
| UCAL_MONTH, // UDAT_STANDALONE_MONTH_FIELD = 26 |
| UCAL_MONTH, // UDAT_QUARTER_FIELD = 27 |
| UCAL_MONTH, // UDAT_STANDALONE_QUARTER_FIELD = 28 |
| UCAL_ZONE_OFFSET, // UDAT_TIMEZONE_SPECIAL_FIELD = 29 |
| UCAL_YEAR, // UDAT_YEAR_NAME_FIELD = 30 |
| UCAL_FIELD_COUNT, // UDAT_FIELD_COUNT = 31 |
| // UCAL_IS_LEAP_MONTH is not the target of a mapping |
| }; |
| |
| U_CAPI UCalendarDateFields U_EXPORT2 |
| udat_toCalendarDateField(UDateFormatField field) { |
| return gDateFieldMapping[field]; |
| } |
| |
| /* For now- one opener. */ |
| static UDateFormatOpener gOpener = NULL; |
| |
| U_INTERNAL void U_EXPORT2 |
| udat_registerOpener(UDateFormatOpener opener, UErrorCode *status) |
| { |
| if(U_FAILURE(*status)) return; |
| umtx_lock(NULL); |
| if(gOpener==NULL) { |
| gOpener = opener; |
| } else { |
| *status = U_ILLEGAL_ARGUMENT_ERROR; |
| } |
| umtx_unlock(NULL); |
| } |
| |
| U_INTERNAL UDateFormatOpener U_EXPORT2 |
| udat_unregisterOpener(UDateFormatOpener opener, UErrorCode *status) |
| { |
| if(U_FAILURE(*status)) return NULL; |
| UDateFormatOpener oldOpener = NULL; |
| umtx_lock(NULL); |
| if(gOpener==NULL || gOpener!=opener) { |
| *status = U_ILLEGAL_ARGUMENT_ERROR; |
| } else { |
| oldOpener=gOpener; |
| gOpener=NULL; |
| } |
| umtx_unlock(NULL); |
| return oldOpener; |
| } |
| |
| |
| |
| U_CAPI UDateFormat* U_EXPORT2 |
| udat_open(UDateFormatStyle timeStyle, |
| UDateFormatStyle dateStyle, |
| const char *locale, |
| const UChar *tzID, |
| int32_t tzIDLength, |
| const UChar *pattern, |
| int32_t patternLength, |
| UErrorCode *status) |
| { |
| DateFormat *fmt; |
| if(U_FAILURE(*status)) { |
| return 0; |
| } |
| if(gOpener!=NULL) { // if it's registered |
| fmt = (DateFormat*) (*gOpener)(timeStyle,dateStyle,locale,tzID,tzIDLength,pattern,patternLength,status); |
| if(fmt!=NULL) { |
| return (UDateFormat*)fmt; |
| } // else fall through. |
| } |
| if(timeStyle != UDAT_PATTERN) { |
| if(locale == 0) { |
| fmt = DateFormat::createDateTimeInstance((DateFormat::EStyle)dateStyle, |
| (DateFormat::EStyle)timeStyle); |
| } |
| else { |
| fmt = DateFormat::createDateTimeInstance((DateFormat::EStyle)dateStyle, |
| (DateFormat::EStyle)timeStyle, |
| Locale(locale)); |
| } |
| } |
| else { |
| UnicodeString pat((UBool)(patternLength == -1), pattern, patternLength); |
| |
| if(locale == 0) { |
| fmt = new SimpleDateFormat(pat, *status); |
| } |
| else { |
| fmt = new SimpleDateFormat(pat, Locale(locale), *status); |
| } |
| } |
| |
| if(fmt == 0) { |
| *status = U_MEMORY_ALLOCATION_ERROR; |
| return 0; |
| } |
| |
| if(tzID != 0) { |
| TimeZone *zone = TimeZone::createTimeZone(UnicodeString((UBool)(tzIDLength == -1), tzID, tzIDLength)); |
| if(zone == 0) { |
| *status = U_MEMORY_ALLOCATION_ERROR; |
| delete fmt; |
| return 0; |
| } |
| fmt->adoptTimeZone(zone); |
| } |
| |
| return (UDateFormat*)fmt; |
| } |
| |
| |
| U_CAPI void U_EXPORT2 |
| udat_close(UDateFormat* format) |
| { |
| delete (DateFormat*)format; |
| } |
| |
| U_CAPI UDateFormat* U_EXPORT2 |
| udat_clone(const UDateFormat *fmt, |
| UErrorCode *status) |
| { |
| if(U_FAILURE(*status)) return 0; |
| |
| Format *res = ((DateFormat*)fmt)->clone(); |
| |
| if(res == 0) { |
| *status = U_MEMORY_ALLOCATION_ERROR; |
| return 0; |
| } |
| |
| return (UDateFormat*) res; |
| } |
| |
| U_CAPI int32_t U_EXPORT2 |
| udat_format( const UDateFormat* format, |
| UDate dateToFormat, |
| UChar* result, |
| int32_t resultLength, |
| UFieldPosition* position, |
| UErrorCode* status) |
| { |
| if(U_FAILURE(*status)) return -1; |
| |
| UnicodeString res; |
| if(!(result==NULL && resultLength==0)) { |
| // NULL destination for pure preflighting: empty dummy string |
| // otherwise, alias the destination buffer |
| res.setTo(result, 0, resultLength); |
| } |
| |
| FieldPosition fp; |
| |
| if(position != 0) |
| fp.setField(position->field); |
| |
| ((DateFormat*)format)->format(dateToFormat, res, fp); |
| |
| if(position != 0) { |
| position->beginIndex = fp.getBeginIndex(); |
| position->endIndex = fp.getEndIndex(); |
| } |
| |
| return res.extract(result, resultLength, *status); |
| } |
| |
| U_CAPI UDate U_EXPORT2 |
| udat_parse( const UDateFormat* format, |
| const UChar* text, |
| int32_t textLength, |
| int32_t *parsePos, |
| UErrorCode *status) |
| { |
| if(U_FAILURE(*status)) return (UDate)0; |
| |
| const UnicodeString src((UBool)(textLength == -1), text, textLength); |
| ParsePosition pp; |
| int32_t stackParsePos = 0; |
| UDate res; |
| |
| if(parsePos == NULL) { |
| parsePos = &stackParsePos; |
| } |
| |
| pp.setIndex(*parsePos); |
| |
| res = ((DateFormat*)format)->parse(src, pp); |
| |
| if(pp.getErrorIndex() == -1) |
| *parsePos = pp.getIndex(); |
| else { |
| *parsePos = pp.getErrorIndex(); |
| *status = U_PARSE_ERROR; |
| } |
| |
| return res; |
| } |
| |
| U_CAPI void U_EXPORT2 |
| udat_parseCalendar(const UDateFormat* format, |
| UCalendar* calendar, |
| const UChar* text, |
| int32_t textLength, |
| int32_t *parsePos, |
| UErrorCode *status) |
| { |
| if(U_FAILURE(*status)) return; |
| |
| const UnicodeString src((UBool)(textLength == -1), text, textLength); |
| ParsePosition pp; |
| |
| if(parsePos != 0) |
| pp.setIndex(*parsePos); |
| |
| ((DateFormat*)format)->parse(src, *(Calendar*)calendar, pp); |
| |
| if(parsePos != 0) { |
| if(pp.getErrorIndex() == -1) |
| *parsePos = pp.getIndex(); |
| else { |
| *parsePos = pp.getErrorIndex(); |
| *status = U_PARSE_ERROR; |
| } |
| } |
| } |
| |
| U_CAPI UBool U_EXPORT2 |
| udat_isLenient(const UDateFormat* fmt) |
| { |
| return ((DateFormat*)fmt)->isLenient(); |
| } |
| |
| U_CAPI void U_EXPORT2 |
| udat_setLenient( UDateFormat* fmt, |
| UBool isLenient) |
| { |
| ((DateFormat*)fmt)->setLenient(isLenient); |
| } |
| |
| U_CAPI const UCalendar* U_EXPORT2 |
| udat_getCalendar(const UDateFormat* fmt) |
| { |
| return (const UCalendar*) ((DateFormat*)fmt)->getCalendar(); |
| } |
| |
| U_CAPI void U_EXPORT2 |
| udat_setCalendar(UDateFormat* fmt, |
| const UCalendar* calendarToSet) |
| { |
| ((DateFormat*)fmt)->setCalendar(*((Calendar*)calendarToSet)); |
| } |
| |
| U_CAPI const UNumberFormat* U_EXPORT2 |
| udat_getNumberFormat(const UDateFormat* fmt) |
| { |
| return (const UNumberFormat*) ((DateFormat*)fmt)->getNumberFormat(); |
| } |
| |
| U_CAPI void U_EXPORT2 |
| udat_setNumberFormat(UDateFormat* fmt, |
| const UNumberFormat* numberFormatToSet) |
| { |
| ((DateFormat*)fmt)->setNumberFormat(*((NumberFormat*)numberFormatToSet)); |
| } |
| |
| U_CAPI const char* U_EXPORT2 |
| udat_getAvailable(int32_t index) |
| { |
| return uloc_getAvailable(index); |
| } |
| |
| U_CAPI int32_t U_EXPORT2 |
| udat_countAvailable() |
| { |
| return uloc_countAvailable(); |
| } |
| |
| U_CAPI UDate U_EXPORT2 |
| udat_get2DigitYearStart( const UDateFormat *fmt, |
| UErrorCode *status) |
| { |
| verifyIsSimpleDateFormat(fmt, status); |
| if(U_FAILURE(*status)) return (UDate)0; |
| return ((SimpleDateFormat*)fmt)->get2DigitYearStart(*status); |
| } |
| |
| U_CAPI void U_EXPORT2 |
| udat_set2DigitYearStart( UDateFormat *fmt, |
| UDate d, |
| UErrorCode *status) |
| { |
| verifyIsSimpleDateFormat(fmt, status); |
| if(U_FAILURE(*status)) return; |
| ((SimpleDateFormat*)fmt)->set2DigitYearStart(d, *status); |
| } |
| |
| U_CAPI int32_t U_EXPORT2 |
| udat_toPattern( const UDateFormat *fmt, |
| UBool localized, |
| UChar *result, |
| int32_t resultLength, |
| UErrorCode *status) |
| { |
| if(U_FAILURE(*status)) return -1; |
| |
| UnicodeString res; |
| if(!(result==NULL && resultLength==0)) { |
| // NULL destination for pure preflighting: empty dummy string |
| // otherwise, alias the destination buffer |
| res.setTo(result, 0, resultLength); |
| } |
| |
| const DateFormat *df=reinterpret_cast<const DateFormat *>(fmt); |
| const SimpleDateFormat *sdtfmt=dynamic_cast<const SimpleDateFormat *>(df); |
| const RelativeDateFormat *reldtfmt; |
| if (sdtfmt!=NULL) { |
| if(localized) |
| sdtfmt->toLocalizedPattern(res, *status); |
| else |
| sdtfmt->toPattern(res); |
| } else if (!localized && (reldtfmt=dynamic_cast<const RelativeDateFormat *>(df))!=NULL) { |
| reldtfmt->toPattern(res, *status); |
| } else { |
| *status = U_ILLEGAL_ARGUMENT_ERROR; |
| return -1; |
| } |
| |
| return res.extract(result, resultLength, *status); |
| } |
| |
| // TODO: should this take an UErrorCode? |
| // A: Yes. Of course. |
| U_CAPI void U_EXPORT2 |
| udat_applyPattern( UDateFormat *format, |
| UBool localized, |
| const UChar *pattern, |
| int32_t patternLength) |
| { |
| const UnicodeString pat((UBool)(patternLength == -1), pattern, patternLength); |
| UErrorCode status = U_ZERO_ERROR; |
| |
| verifyIsSimpleDateFormat(format, &status); |
| if(U_FAILURE(status)) { |
| return; |
| } |
| |
| if(localized) |
| ((SimpleDateFormat*)format)->applyLocalizedPattern(pat, status); |
| else |
| ((SimpleDateFormat*)format)->applyPattern(pat); |
| } |
| |
| U_CAPI int32_t U_EXPORT2 |
| udat_getSymbols(const UDateFormat *fmt, |
| UDateFormatSymbolType type, |
| int32_t index, |
| UChar *result, |
| int32_t resultLength, |
| UErrorCode *status) |
| { |
| const DateFormatSymbols *syms; |
| const SimpleDateFormat* sdtfmt; |
| const RelativeDateFormat* rdtfmt; |
| if ((sdtfmt = dynamic_cast<const SimpleDateFormat*>(reinterpret_cast<const DateFormat*>(fmt))) != NULL) { |
| syms = sdtfmt->getDateFormatSymbols(); |
| } else if ((rdtfmt = dynamic_cast<const RelativeDateFormat*>(reinterpret_cast<const DateFormat*>(fmt))) != NULL) { |
| syms = rdtfmt->getDateFormatSymbols(); |
| } else { |
| return -1; |
| } |
| int32_t count; |
| const UnicodeString *res = NULL; |
| |
| switch(type) { |
| case UDAT_ERAS: |
| res = syms->getEras(count); |
| break; |
| |
| case UDAT_ERA_NAMES: |
| res = syms->getEraNames(count); |
| break; |
| |
| case UDAT_MONTHS: |
| res = syms->getMonths(count); |
| break; |
| |
| case UDAT_SHORT_MONTHS: |
| res = syms->getShortMonths(count); |
| break; |
| |
| case UDAT_WEEKDAYS: |
| res = syms->getWeekdays(count); |
| break; |
| |
| case UDAT_SHORT_WEEKDAYS: |
| res = syms->getShortWeekdays(count); |
| break; |
| |
| case UDAT_AM_PMS: |
| res = syms->getAmPmStrings(count); |
| break; |
| |
| case UDAT_LOCALIZED_CHARS: |
| { |
| UnicodeString res1; |
| if(!(result==NULL && resultLength==0)) { |
| // NULL destination for pure preflighting: empty dummy string |
| // otherwise, alias the destination buffer |
| res1.setTo(result, 0, resultLength); |
| } |
| syms->getLocalPatternChars(res1); |
| return res1.extract(result, resultLength, *status); |
| } |
| |
| case UDAT_NARROW_MONTHS: |
| res = syms->getMonths(count, DateFormatSymbols::FORMAT, DateFormatSymbols::NARROW); |
| break; |
| |
| case UDAT_NARROW_WEEKDAYS: |
| res = syms->getWeekdays(count, DateFormatSymbols::FORMAT, DateFormatSymbols::NARROW); |
| break; |
| |
| case UDAT_STANDALONE_MONTHS: |
| res = syms->getMonths(count, DateFormatSymbols::STANDALONE, DateFormatSymbols::WIDE); |
| break; |
| |
| case UDAT_STANDALONE_SHORT_MONTHS: |
| res = syms->getMonths(count, DateFormatSymbols::STANDALONE, DateFormatSymbols::ABBREVIATED); |
| break; |
| |
| case UDAT_STANDALONE_NARROW_MONTHS: |
| res = syms->getMonths(count, DateFormatSymbols::STANDALONE, DateFormatSymbols::NARROW); |
| break; |
| |
| case UDAT_STANDALONE_WEEKDAYS: |
| res = syms->getWeekdays(count, DateFormatSymbols::STANDALONE, DateFormatSymbols::WIDE); |
| break; |
| |
| case UDAT_STANDALONE_SHORT_WEEKDAYS: |
| res = syms->getWeekdays(count, DateFormatSymbols::STANDALONE, DateFormatSymbols::ABBREVIATED); |
| break; |
| |
| case UDAT_STANDALONE_NARROW_WEEKDAYS: |
| res = syms->getWeekdays(count, DateFormatSymbols::STANDALONE, DateFormatSymbols::NARROW); |
| break; |
| |
| case UDAT_QUARTERS: |
| res = syms->getQuarters(count, DateFormatSymbols::FORMAT, DateFormatSymbols::WIDE); |
| break; |
| |
| case UDAT_SHORT_QUARTERS: |
| res = syms->getQuarters(count, DateFormatSymbols::FORMAT, DateFormatSymbols::ABBREVIATED); |
| break; |
| |
| case UDAT_STANDALONE_QUARTERS: |
| res = syms->getQuarters(count, DateFormatSymbols::STANDALONE, DateFormatSymbols::WIDE); |
| break; |
| |
| case UDAT_STANDALONE_SHORT_QUARTERS: |
| res = syms->getQuarters(count, DateFormatSymbols::STANDALONE, DateFormatSymbols::ABBREVIATED); |
| break; |
| |
| } |
| |
| if(index < count) { |
| return res[index].extract(result, resultLength, *status); |
| } |
| return 0; |
| } |
| |
| // TODO: also needs an errorCode. |
| U_CAPI int32_t U_EXPORT2 |
| udat_countSymbols( const UDateFormat *fmt, |
| UDateFormatSymbolType type) |
| { |
| const DateFormatSymbols *syms; |
| const SimpleDateFormat* sdtfmt; |
| const RelativeDateFormat* rdtfmt; |
| if ((sdtfmt = dynamic_cast<const SimpleDateFormat*>(reinterpret_cast<const DateFormat*>(fmt))) != NULL) { |
| syms = sdtfmt->getDateFormatSymbols(); |
| } else if ((rdtfmt = dynamic_cast<const RelativeDateFormat*>(reinterpret_cast<const DateFormat*>(fmt))) != NULL) { |
| syms = rdtfmt->getDateFormatSymbols(); |
| } else { |
| return 0; |
| } |
| int32_t count = 0; |
| |
| switch(type) { |
| case UDAT_ERAS: |
| syms->getEras(count); |
| break; |
| |
| case UDAT_MONTHS: |
| syms->getMonths(count); |
| break; |
| |
| case UDAT_SHORT_MONTHS: |
| syms->getShortMonths(count); |
| break; |
| |
| case UDAT_WEEKDAYS: |
| syms->getWeekdays(count); |
| break; |
| |
| case UDAT_SHORT_WEEKDAYS: |
| syms->getShortWeekdays(count); |
| break; |
| |
| case UDAT_AM_PMS: |
| syms->getAmPmStrings(count); |
| break; |
| |
| case UDAT_LOCALIZED_CHARS: |
| count = 1; |
| break; |
| |
| case UDAT_ERA_NAMES: |
| syms->getEraNames(count); |
| break; |
| |
| case UDAT_NARROW_MONTHS: |
| syms->getMonths(count, DateFormatSymbols::FORMAT, DateFormatSymbols::NARROW); |
| break; |
| |
| case UDAT_NARROW_WEEKDAYS: |
| syms->getWeekdays(count, DateFormatSymbols::FORMAT, DateFormatSymbols::NARROW); |
| break; |
| |
| case UDAT_STANDALONE_MONTHS: |
| syms->getMonths(count, DateFormatSymbols::STANDALONE, DateFormatSymbols::WIDE); |
| break; |
| |
| case UDAT_STANDALONE_SHORT_MONTHS: |
| syms->getMonths(count, DateFormatSymbols::STANDALONE, DateFormatSymbols::ABBREVIATED); |
| break; |
| |
| case UDAT_STANDALONE_NARROW_MONTHS: |
| syms->getMonths(count, DateFormatSymbols::STANDALONE, DateFormatSymbols::NARROW); |
| break; |
| |
| case UDAT_STANDALONE_WEEKDAYS: |
| syms->getWeekdays(count, DateFormatSymbols::STANDALONE, DateFormatSymbols::WIDE); |
| break; |
| |
| case UDAT_STANDALONE_SHORT_WEEKDAYS: |
| syms->getWeekdays(count, DateFormatSymbols::STANDALONE, DateFormatSymbols::ABBREVIATED); |
| break; |
| |
| case UDAT_STANDALONE_NARROW_WEEKDAYS: |
| syms->getWeekdays(count, DateFormatSymbols::STANDALONE, DateFormatSymbols::NARROW); |
| break; |
| |
| case UDAT_QUARTERS: |
| syms->getQuarters(count, DateFormatSymbols::FORMAT, DateFormatSymbols::WIDE); |
| break; |
| |
| case UDAT_SHORT_QUARTERS: |
| syms->getQuarters(count, DateFormatSymbols::FORMAT, DateFormatSymbols::ABBREVIATED); |
| break; |
| |
| case UDAT_STANDALONE_QUARTERS: |
| syms->getQuarters(count, DateFormatSymbols::STANDALONE, DateFormatSymbols::WIDE); |
| break; |
| |
| case UDAT_STANDALONE_SHORT_QUARTERS: |
| syms->getQuarters(count, DateFormatSymbols::STANDALONE, DateFormatSymbols::ABBREVIATED); |
| break; |
| |
| } |
| |
| return count; |
| } |
| |
| U_NAMESPACE_BEGIN |
| |
| /* |
| * This DateFormatSymbolsSingleSetter class is a friend of DateFormatSymbols |
| * solely for the purpose of avoiding to clone the array of strings |
| * just to modify one of them and then setting all of them back. |
| * For example, the old code looked like this: |
| * case UDAT_MONTHS: |
| * res = syms->getMonths(count); |
| * array = new UnicodeString[count]; |
| * if(array == 0) { |
| * *status = U_MEMORY_ALLOCATION_ERROR; |
| * return; |
| * } |
| * uprv_arrayCopy(res, array, count); |
| * if(index < count) |
| * array[index] = val; |
| * syms->setMonths(array, count); |
| * break; |
| * |
| * Even worse, the old code actually cloned the entire DateFormatSymbols object, |
| * cloned one value array, changed one value, and then made the SimpleDateFormat |
| * replace its DateFormatSymbols object with the new one. |
| * |
| * markus 2002-oct-14 |
| */ |
| class DateFormatSymbolsSingleSetter /* not : public UObject because all methods are static */ { |
| public: |
| static void |
| setSymbol(UnicodeString *array, int32_t count, int32_t index, |
| const UChar *value, int32_t valueLength, UErrorCode &errorCode) |
| { |
| if(array!=NULL) { |
| if(index>=count) { |
| errorCode=U_INDEX_OUTOFBOUNDS_ERROR; |
| } else if(value==NULL) { |
| errorCode=U_ILLEGAL_ARGUMENT_ERROR; |
| } else { |
| array[index].setTo(value, valueLength); |
| } |
| } |
| } |
| |
| static void |
| setEra(DateFormatSymbols *syms, int32_t index, |
| const UChar *value, int32_t valueLength, UErrorCode &errorCode) |
| { |
| setSymbol(syms->fEras, syms->fErasCount, index, value, valueLength, errorCode); |
| } |
| |
| static void |
| setEraName(DateFormatSymbols *syms, int32_t index, |
| const UChar *value, int32_t valueLength, UErrorCode &errorCode) |
| { |
| setSymbol(syms->fEraNames, syms->fEraNamesCount, index, value, valueLength, errorCode); |
| } |
| |
| static void |
| setMonth(DateFormatSymbols *syms, int32_t index, |
| const UChar *value, int32_t valueLength, UErrorCode &errorCode) |
| { |
| setSymbol(syms->fMonths, syms->fMonthsCount, index, value, valueLength, errorCode); |
| } |
| |
| static void |
| setShortMonth(DateFormatSymbols *syms, int32_t index, |
| const UChar *value, int32_t valueLength, UErrorCode &errorCode) |
| { |
| setSymbol(syms->fShortMonths, syms->fShortMonthsCount, index, value, valueLength, errorCode); |
| } |
| |
| static void |
| setNarrowMonth(DateFormatSymbols *syms, int32_t index, |
| const UChar *value, int32_t valueLength, UErrorCode &errorCode) |
| { |
| setSymbol(syms->fNarrowMonths, syms->fNarrowMonthsCount, index, value, valueLength, errorCode); |
| } |
| |
| static void |
| setStandaloneMonth(DateFormatSymbols *syms, int32_t index, |
| const UChar *value, int32_t valueLength, UErrorCode &errorCode) |
| { |
| setSymbol(syms->fStandaloneMonths, syms->fStandaloneMonthsCount, index, value, valueLength, errorCode); |
| } |
| |
| static void |
| setStandaloneShortMonth(DateFormatSymbols *syms, int32_t index, |
| const UChar *value, int32_t valueLength, UErrorCode &errorCode) |
| { |
| setSymbol(syms->fStandaloneShortMonths, syms->fStandaloneShortMonthsCount, index, value, valueLength, errorCode); |
| } |
| |
| static void |
| setStandaloneNarrowMonth(DateFormatSymbols *syms, int32_t index, |
| const UChar *value, int32_t valueLength, UErrorCode &errorCode) |
| { |
| setSymbol(syms->fStandaloneNarrowMonths, syms->fStandaloneNarrowMonthsCount, index, value, valueLength, errorCode); |
| } |
| |
| static void |
| setWeekday(DateFormatSymbols *syms, int32_t index, |
| const UChar *value, int32_t valueLength, UErrorCode &errorCode) |
| { |
| setSymbol(syms->fWeekdays, syms->fWeekdaysCount, index, value, valueLength, errorCode); |
| } |
| |
| static void |
| setShortWeekday(DateFormatSymbols *syms, int32_t index, |
| const UChar *value, int32_t valueLength, UErrorCode &errorCode) |
| { |
| setSymbol(syms->fShortWeekdays, syms->fShortWeekdaysCount, index, value, valueLength, errorCode); |
| } |
| |
| static void |
| setNarrowWeekday(DateFormatSymbols *syms, int32_t index, |
| const UChar *value, int32_t valueLength, UErrorCode &errorCode) |
| { |
| setSymbol(syms->fNarrowWeekdays, syms->fNarrowWeekdaysCount, index, value, valueLength, errorCode); |
| } |
| |
| static void |
| setStandaloneWeekday(DateFormatSymbols *syms, int32_t index, |
| const UChar *value, int32_t valueLength, UErrorCode &errorCode) |
| { |
| setSymbol(syms->fStandaloneWeekdays, syms->fStandaloneWeekdaysCount, index, value, valueLength, errorCode); |
| } |
| |
| static void |
| setStandaloneShortWeekday(DateFormatSymbols *syms, int32_t index, |
| const UChar *value, int32_t valueLength, UErrorCode &errorCode) |
| { |
| setSymbol(syms->fStandaloneShortWeekdays, syms->fStandaloneShortWeekdaysCount, index, value, valueLength, errorCode); |
| } |
| |
| static void |
| setStandaloneNarrowWeekday(DateFormatSymbols *syms, int32_t index, |
| const UChar *value, int32_t valueLength, UErrorCode &errorCode) |
| { |
| setSymbol(syms->fStandaloneNarrowWeekdays, syms->fStandaloneNarrowWeekdaysCount, index, value, valueLength, errorCode); |
| } |
| |
| static void |
| setQuarter(DateFormatSymbols *syms, int32_t index, |
| const UChar *value, int32_t valueLength, UErrorCode &errorCode) |
| { |
| setSymbol(syms->fQuarters, syms->fQuartersCount, index, value, valueLength, errorCode); |
| } |
| |
| static void |
| setShortQuarter(DateFormatSymbols *syms, int32_t index, |
| const UChar *value, int32_t valueLength, UErrorCode &errorCode) |
| { |
| setSymbol(syms->fShortQuarters, syms->fShortQuartersCount, index, value, valueLength, errorCode); |
| } |
| |
| static void |
| setStandaloneQuarter(DateFormatSymbols *syms, int32_t index, |
| const UChar *value, int32_t valueLength, UErrorCode &errorCode) |
| { |
| setSymbol(syms->fStandaloneQuarters, syms->fStandaloneQuartersCount, index, value, valueLength, errorCode); |
| } |
| |
| static void |
| setStandaloneShortQuarter(DateFormatSymbols *syms, int32_t index, |
| const UChar *value, int32_t valueLength, UErrorCode &errorCode) |
| { |
| setSymbol(syms->fStandaloneShortQuarters, syms->fStandaloneShortQuartersCount, index, value, valueLength, errorCode); |
| } |
| |
| static void |
| setAmPm(DateFormatSymbols *syms, int32_t index, |
| const UChar *value, int32_t valueLength, UErrorCode &errorCode) |
| { |
| setSymbol(syms->fAmPms, syms->fAmPmsCount, index, value, valueLength, errorCode); |
| } |
| |
| static void |
| setLocalPatternChars(DateFormatSymbols *syms, |
| const UChar *value, int32_t valueLength, UErrorCode &errorCode) |
| { |
| setSymbol(&syms->fLocalPatternChars, 1, 0, value, valueLength, errorCode); |
| } |
| }; |
| |
| U_NAMESPACE_END |
| |
| U_CAPI void U_EXPORT2 |
| udat_setSymbols( UDateFormat *format, |
| UDateFormatSymbolType type, |
| int32_t index, |
| UChar *value, |
| int32_t valueLength, |
| UErrorCode *status) |
| { |
| verifyIsSimpleDateFormat(format, status); |
| if(U_FAILURE(*status)) return; |
| |
| DateFormatSymbols *syms = (DateFormatSymbols *)((SimpleDateFormat *)format)->getDateFormatSymbols(); |
| |
| switch(type) { |
| case UDAT_ERAS: |
| DateFormatSymbolsSingleSetter::setEra(syms, index, value, valueLength, *status); |
| break; |
| |
| case UDAT_ERA_NAMES: |
| DateFormatSymbolsSingleSetter::setEraName(syms, index, value, valueLength, *status); |
| break; |
| |
| case UDAT_MONTHS: |
| DateFormatSymbolsSingleSetter::setMonth(syms, index, value, valueLength, *status); |
| break; |
| |
| case UDAT_SHORT_MONTHS: |
| DateFormatSymbolsSingleSetter::setShortMonth(syms, index, value, valueLength, *status); |
| break; |
| |
| case UDAT_NARROW_MONTHS: |
| DateFormatSymbolsSingleSetter::setNarrowMonth(syms, index, value, valueLength, *status); |
| break; |
| |
| case UDAT_STANDALONE_MONTHS: |
| DateFormatSymbolsSingleSetter::setStandaloneMonth(syms, index, value, valueLength, *status); |
| break; |
| |
| case UDAT_STANDALONE_SHORT_MONTHS: |
| DateFormatSymbolsSingleSetter::setStandaloneShortMonth(syms, index, value, valueLength, *status); |
| break; |
| |
| case UDAT_STANDALONE_NARROW_MONTHS: |
| DateFormatSymbolsSingleSetter::setStandaloneNarrowMonth(syms, index, value, valueLength, *status); |
| break; |
| |
| case UDAT_WEEKDAYS: |
| DateFormatSymbolsSingleSetter::setWeekday(syms, index, value, valueLength, *status); |
| break; |
| |
| case UDAT_SHORT_WEEKDAYS: |
| DateFormatSymbolsSingleSetter::setShortWeekday(syms, index, value, valueLength, *status); |
| break; |
| |
| case UDAT_NARROW_WEEKDAYS: |
| DateFormatSymbolsSingleSetter::setNarrowWeekday(syms, index, value, valueLength, *status); |
| break; |
| |
| case UDAT_STANDALONE_WEEKDAYS: |
| DateFormatSymbolsSingleSetter::setStandaloneWeekday(syms, index, value, valueLength, *status); |
| break; |
| |
| case UDAT_STANDALONE_SHORT_WEEKDAYS: |
| DateFormatSymbolsSingleSetter::setStandaloneShortWeekday(syms, index, value, valueLength, *status); |
| break; |
| |
| case UDAT_STANDALONE_NARROW_WEEKDAYS: |
| DateFormatSymbolsSingleSetter::setStandaloneNarrowWeekday(syms, index, value, valueLength, *status); |
| break; |
| |
| case UDAT_QUARTERS: |
| DateFormatSymbolsSingleSetter::setQuarter(syms, index, value, valueLength, *status); |
| break; |
| |
| case UDAT_SHORT_QUARTERS: |
| DateFormatSymbolsSingleSetter::setShortQuarter(syms, index, value, valueLength, *status); |
| break; |
| |
| case UDAT_STANDALONE_QUARTERS: |
| DateFormatSymbolsSingleSetter::setStandaloneQuarter(syms, index, value, valueLength, *status); |
| break; |
| |
| case UDAT_STANDALONE_SHORT_QUARTERS: |
| DateFormatSymbolsSingleSetter::setStandaloneShortQuarter(syms, index, value, valueLength, *status); |
| break; |
| |
| case UDAT_AM_PMS: |
| DateFormatSymbolsSingleSetter::setAmPm(syms, index, value, valueLength, *status); |
| break; |
| |
| case UDAT_LOCALIZED_CHARS: |
| DateFormatSymbolsSingleSetter::setLocalPatternChars(syms, value, valueLength, *status); |
| break; |
| |
| default: |
| *status = U_UNSUPPORTED_ERROR; |
| break; |
| |
| } |
| } |
| |
| U_CAPI const char* U_EXPORT2 |
| udat_getLocaleByType(const UDateFormat *fmt, |
| ULocDataLocaleType type, |
| UErrorCode* status) |
| { |
| if (fmt == NULL) { |
| if (U_SUCCESS(*status)) { |
| *status = U_ILLEGAL_ARGUMENT_ERROR; |
| } |
| return NULL; |
| } |
| return ((Format*)fmt)->getLocaleID(type, *status); |
| } |
| |
| |
| U_CAPI void U_EXPORT2 |
| udat_setContext(UDateFormat* fmt, UDisplayContext value, UErrorCode* status) |
| { |
| verifyIsSimpleDateFormat(fmt, status); |
| if (U_FAILURE(*status)) { |
| return; |
| } |
| ((SimpleDateFormat*)fmt)->setContext(value, *status); |
| } |
| |
| U_CAPI UDisplayContext U_EXPORT2 |
| udat_getContext(UDateFormat* fmt, UDisplayContextType type, UErrorCode* status) |
| { |
| verifyIsSimpleDateFormat(fmt, status); |
| if (U_FAILURE(*status)) { |
| return (UDisplayContext)0; |
| } |
| return ((SimpleDateFormat*)fmt)->getContext(type, *status); |
| } |
| |
| |
| /** |
| * Verify that fmt is a RelativeDateFormat. Invalid error if not. |
| * @param fmt the UDateFormat, definitely a DateFormat, maybe something else |
| * @param status error code, will be set to failure if there is a familure or the fmt is NULL. |
| */ |
| static void verifyIsRelativeDateFormat(const UDateFormat* fmt, UErrorCode *status) { |
| if(U_SUCCESS(*status) && |
| dynamic_cast<const RelativeDateFormat*>(reinterpret_cast<const DateFormat*>(fmt))==NULL) { |
| *status = U_ILLEGAL_ARGUMENT_ERROR; |
| } |
| } |
| |
| |
| U_CAPI int32_t U_EXPORT2 |
| udat_toPatternRelativeDate(const UDateFormat *fmt, |
| UChar *result, |
| int32_t resultLength, |
| UErrorCode *status) |
| { |
| verifyIsRelativeDateFormat(fmt, status); |
| if(U_FAILURE(*status)) return -1; |
| |
| UnicodeString datePattern; |
| if(!(result==NULL && resultLength==0)) { |
| // NULL destination for pure preflighting: empty dummy string |
| // otherwise, alias the destination buffer |
| datePattern.setTo(result, 0, resultLength); |
| } |
| ((RelativeDateFormat*)fmt)->toPatternDate(datePattern, *status); |
| return datePattern.extract(result, resultLength, *status); |
| } |
| |
| U_CAPI int32_t U_EXPORT2 |
| udat_toPatternRelativeTime(const UDateFormat *fmt, |
| UChar *result, |
| int32_t resultLength, |
| UErrorCode *status) |
| { |
| verifyIsRelativeDateFormat(fmt, status); |
| if(U_FAILURE(*status)) return -1; |
| |
| UnicodeString timePattern; |
| if(!(result==NULL && resultLength==0)) { |
| // NULL destination for pure preflighting: empty dummy string |
| // otherwise, alias the destination buffer |
| timePattern.setTo(result, 0, resultLength); |
| } |
| ((RelativeDateFormat*)fmt)->toPatternTime(timePattern, *status); |
| return timePattern.extract(result, resultLength, *status); |
| } |
| |
| U_CAPI void U_EXPORT2 |
| udat_applyPatternRelative(UDateFormat *format, |
| const UChar *datePattern, |
| int32_t datePatternLength, |
| const UChar *timePattern, |
| int32_t timePatternLength, |
| UErrorCode *status) |
| { |
| verifyIsRelativeDateFormat(format, status); |
| if(U_FAILURE(*status)) return; |
| const UnicodeString datePat((UBool)(datePatternLength == -1), datePattern, datePatternLength); |
| const UnicodeString timePat((UBool)(timePatternLength == -1), timePattern, timePatternLength); |
| ((RelativeDateFormat*)format)->applyPatterns(datePat, timePat, *status); |
| } |
| |
| #endif /* #if !UCONFIG_NO_FORMATTING */ |
