| /* |
| ******************************************************************************* |
| * Copyright (C) 1996-2004, 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 "cpputils.h" |
| |
| U_NAMESPACE_USE |
| |
| 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) |
| { |
| if(U_FAILURE(*status)) |
| { |
| return 0; |
| } |
| if(timeStyle != UDAT_IGNORE) |
| { |
| DateFormat *fmt; |
| if(locale == 0) |
| fmt = DateFormat::createDateTimeInstance((DateFormat::EStyle)dateStyle, |
| (DateFormat::EStyle)timeStyle); |
| else |
| fmt = DateFormat::createDateTimeInstance((DateFormat::EStyle)dateStyle, |
| (DateFormat::EStyle)timeStyle, |
| Locale(locale)); |
| |
| 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; |
| } |
| else |
| { |
| const UnicodeString pat = UnicodeString((UBool)(patternLength == -1), pattern, patternLength); |
| UDateFormat *retVal = 0; |
| |
| if(locale == 0) |
| retVal = (UDateFormat*)new SimpleDateFormat(pat, *status); |
| else |
| retVal = (UDateFormat*)new SimpleDateFormat(pat, Locale(locale), *status); |
| |
| if(retVal == 0) { |
| *status = U_MEMORY_ALLOCATION_ERROR; |
| return 0; |
| } |
| return retVal; |
| } |
| } |
| |
| |
| 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 = ((SimpleDateFormat*)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) |
| { |
| 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) |
| { |
| 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); |
| } |
| |
| if(localized) |
| ((SimpleDateFormat*)fmt)->toLocalizedPattern(res, *status); |
| else |
| ((SimpleDateFormat*)fmt)->toPattern(res); |
| |
| return res.extract(result, resultLength, *status); |
| } |
| |
| // TBD: should this take an UErrorCode? |
| 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; |
| |
| 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) |
| { |
| if(U_FAILURE(*status)) return -1; |
| |
| const DateFormatSymbols *syms = |
| ((SimpleDateFormat*)fmt)->getDateFormatSymbols(); |
| int32_t count; |
| const UnicodeString *res; |
| |
| switch(type) { |
| case UDAT_ERAS: |
| res = syms->getEras(count); |
| if(index < count) { |
| return res[index].extract(result, resultLength, *status); |
| } |
| break; |
| |
| case UDAT_MONTHS: |
| res = syms->getMonths(count); |
| if(index < count) { |
| return res[index].extract(result, resultLength, *status); |
| } |
| break; |
| |
| case UDAT_SHORT_MONTHS: |
| res = syms->getShortMonths(count); |
| if(index < count) { |
| return res[index].extract(result, resultLength, *status); |
| } |
| break; |
| |
| case UDAT_WEEKDAYS: |
| res = syms->getWeekdays(count); |
| if(index < count) { |
| return res[index].extract(result, resultLength, *status); |
| } |
| break; |
| |
| case UDAT_SHORT_WEEKDAYS: |
| res = syms->getShortWeekdays(count); |
| if(index < count) { |
| return res[index].extract(result, resultLength, *status); |
| } |
| break; |
| |
| case UDAT_AM_PMS: |
| res = syms->getAmPmStrings(count); |
| if(index < count) { |
| return res[index].extract(result, resultLength, *status); |
| } |
| 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); |
| } |
| } |
| |
| return 0; |
| } |
| |
| U_CAPI int32_t U_EXPORT2 |
| udat_countSymbols( const UDateFormat *fmt, |
| UDateFormatSymbolType type) |
| { |
| const DateFormatSymbols *syms = |
| ((SimpleDateFormat*)fmt)->getDateFormatSymbols(); |
| 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; |
| } |
| |
| 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 |
| 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 |
| 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 |
| 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) |
| { |
| 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_MONTHS: |
| DateFormatSymbolsSingleSetter::setMonth(syms, index, value, valueLength, *status); |
| break; |
| |
| case UDAT_SHORT_MONTHS: |
| DateFormatSymbolsSingleSetter::setShortMonth(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_AM_PMS: |
| DateFormatSymbolsSingleSetter::setAmPm(syms, index, value, valueLength, *status); |
| break; |
| |
| case UDAT_LOCALIZED_CHARS: |
| DateFormatSymbolsSingleSetter::setLocalPatternChars(syms, value, valueLength, *status); |
| 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); |
| } |
| #endif /* #if !UCONFIG_NO_FORMATTING */ |
