bool LocaleICU::isRTL() { UErrorCode status = U_ZERO_ERROR; return uloc_getCharacterOrientation(m_locale.data(), &status) == ULOC_LAYOUT_RTL; }
/* PAL Function: GetLocaleInfoInt Obtains integer locale information Returns 1 for success, 0 otherwise */ extern "C" int32_t GlobalizationNative_GetLocaleInfoInt( const UChar* localeName, LocaleNumberData localeNumberData, int32_t* value) { UErrorCode status = U_ZERO_ERROR; char locale[ULOC_FULLNAME_CAPACITY]; GetLocale(localeName, locale, ULOC_FULLNAME_CAPACITY, false, &status); if (U_FAILURE(status)) { return UErrorCodeToBool(U_ILLEGAL_ARGUMENT_ERROR); } switch (localeNumberData) { case LanguageId: *value = uloc_getLCID(locale); break; case MeasurementSystem: status = GetMeasurementSystem(locale, value); break; case FractionalDigitsCount: { UNumberFormat* numformat = unum_open(UNUM_DECIMAL, NULL, 0, locale, NULL, &status); if (U_SUCCESS(status)) { *value = unum_getAttribute(numformat, UNUM_MAX_FRACTION_DIGITS); unum_close(numformat); } break; } case NegativeNumberFormat: *value = GetNumberNegativePattern(locale); break; case MonetaryFractionalDigitsCount: { UNumberFormat* numformat = unum_open(UNUM_CURRENCY, NULL, 0, locale, NULL, &status); if (U_SUCCESS(status)) { *value = unum_getAttribute(numformat, UNUM_MAX_FRACTION_DIGITS); unum_close(numformat); } break; } case PositiveMonetaryNumberFormat: *value = GetCurrencyPositivePattern(locale); break; case NegativeMonetaryNumberFormat: *value = GetCurrencyNegativePattern(locale); break; case FirstWeekOfYear: { // corresponds to DateTimeFormat.CalendarWeekRule UCalendar* pCal = ucal_open(nullptr, 0, locale, UCAL_TRADITIONAL, &status); UCalendarHolder calHolder(pCal, status); if (U_SUCCESS(status)) { // values correspond to LOCALE_IFIRSTWEEKOFYEAR int minDaysInWeek = ucal_getAttribute(pCal, UCAL_MINIMAL_DAYS_IN_FIRST_WEEK); if (minDaysInWeek == 1) { *value = CalendarWeekRule::FirstDay; } else if (minDaysInWeek == 7) { *value = CalendarWeekRule::FirstFullWeek; } else if (minDaysInWeek >= 4) { *value = CalendarWeekRule::FirstFourDayWeek; } else { status = U_UNSUPPORTED_ERROR; } } break; } case ReadingLayout: { // coresponds to values 0 and 1 in LOCALE_IREADINGLAYOUT (values 2 and 3 not // used in coreclr) // 0 - Left to right (such as en-US) // 1 - Right to left (such as arabic locales) ULayoutType orientation = uloc_getCharacterOrientation(locale, &status); // alternative implementation in ICU 54+ is uloc_isRightToLeft() which // also supports script tags in locale if (U_SUCCESS(status)) { *value = (orientation == ULOC_LAYOUT_RTL) ? 1 : 0; } break; } case FirstDayofWeek: { UCalendar* pCal = ucal_open(nullptr, 0, locale, UCAL_TRADITIONAL, &status); UCalendarHolder calHolder(pCal, status); if (U_SUCCESS(status)) { *value = ucal_getAttribute(pCal, UCAL_FIRST_DAY_OF_WEEK) - 1; // .NET is 0-based and ICU is 1-based } break; } case NegativePercentFormat: *value = GetPercentNegativePattern(locale); break; case PositivePercentFormat: *value = GetPercentPositivePattern(locale); break; default: status = U_UNSUPPORTED_ERROR; assert(false); break; } return UErrorCodeToBool(status); }