C++ Locale函数代码示例

Locale
RuleBasedNumberFormat::getRuleSetDisplayNameLocale(int32_t index, UErrorCode& status) const {
    if (U_FAILURE(status)) {
        return Locale("");
    }
    if (localizations && index >= 0 && index < localizations->getNumberOfDisplayLocales()) {
        UnicodeString name(TRUE, localizations->getLocaleName(index), -1);
        char buffer[64];
        int32_t cap = name.length() + 1;
        char* bp = buffer;
        if (cap > 64) {
            bp = (char *)uprv_malloc(cap);
            if (bp == NULL) {
                status = U_MEMORY_ALLOCATION_ERROR;
                return Locale("");
            }
        }
        name.extract(0, name.length(), bp, cap, UnicodeString::kInvariant);
        Locale retLocale(bp);
        if (bp != buffer) {
            uprv_free(bp);
        }
        return retLocale;
    }
    status = U_ILLEGAL_ARGUMENT_ERROR;
    Locale retLocale;
    return retLocale;
}

void IntlTestNumberFormat::monsterTest(/* char* par */)
{
    const char *SEP = "============================================================\n";
    int32_t count;
    const Locale* allLocales = NumberFormat::getAvailableLocales(count);
    Locale* locales = (Locale*)allLocales;
    Locale quickLocales[6];
    if (allLocales && count)
    {
        if (quick && count > 6) {
            logln("quick test: testing just 6 locales!");
            count = 6;
            locales = quickLocales;
            locales[0] = allLocales[0];
            locales[1] = allLocales[1];
            locales[2] = allLocales[2];
            // In a quick test, make sure we test locales that use
            // currency prefix, currency suffix, and choice currency
            // logic.  Otherwise bugs in these areas can slip through.
            locales[3] = Locale("ar", "AE", "");
            locales[4] = Locale("cs", "CZ", "");
            locales[5] = Locale("en", "IN", "");
        }
        for (int32_t i=0; i<count; ++i)
        {
            UnicodeString name(locales[i].getName(), "");
            logln(SEP);
            testLocale(/* par, */locales[i], name);
        }
    }

    logln(SEP);
}

void RBBIAPITest::TestBoilerPlate()
{
    UErrorCode status = U_ZERO_ERROR;
    BreakIterator* a = BreakIterator::createWordInstance(Locale("hi"), status);
    BreakIterator* b = BreakIterator::createWordInstance(Locale("hi_IN"),status);
    if (U_FAILURE(status)) {
        errcheckln(status, "Creation of break iterator failed %s", u_errorName(status));
        return;
    }
    if(*a!=*b){
        errln("Failed: boilerplate method operator!= does not return correct results");
    }
    // Japanese word break iterators are identical to root with
    // a dictionary-based break iterator
    BreakIterator* c = BreakIterator::createCharacterInstance(Locale("ja"),status);
    BreakIterator* d = BreakIterator::createCharacterInstance(Locale("root"),status);
    if(c && d){
        if(*c!=*d){
            errln("Failed: boilerplate method operator== does not return correct results");
        }
    }else{
        errln("creation of break iterator failed");
    }
    delete a;
    delete b;
    delete c;
    delete d;
}

void
NewResourceBundleTest::TestResourceBundles()
{
    UErrorCode status = U_ZERO_ERROR;
    loadTestData(status);
    if(U_FAILURE(status))
    {
        dataerrln("Could not load testdata.dat %s " + UnicodeString(u_errorName(status)));
        return;
    }

    /* Make sure that users using te_IN for the default locale don't get test failures. */
    Locale originalDefault;
    if (Locale::getDefault() == Locale("te_IN")) {
        Locale::setDefault(Locale("en_US"), status);
    }

    testTag("only_in_Root", TRUE, FALSE, FALSE);
    testTag("only_in_te", FALSE, TRUE, FALSE);
    testTag("only_in_te_IN", FALSE, FALSE, TRUE);
    testTag("in_Root_te", TRUE, TRUE, FALSE);
    testTag("in_Root_te_te_IN", TRUE, TRUE, TRUE);
    testTag("in_Root_te_IN", TRUE, FALSE, TRUE);
    testTag("in_te_te_IN", FALSE, TRUE, TRUE);
    testTag("nonexistent", FALSE, FALSE, FALSE);
    logln("Passed: %d\nFailed: %d", pass, fail);

    /* Restore the default locale for the other tests. */
    Locale::setDefault(originalDefault, status);
}

U_CAPI UCalendar*  U_EXPORT2
ucal_open(  const UChar*  zoneID,
            int32_t       len,
            const char*   locale,
            UCalendarType caltype,
            UErrorCode*   status)
{

  if(U_FAILURE(*status)) return 0;
  
  TimeZone* zone = (zoneID==NULL) ? TimeZone::createDefault()
      : _createTimeZone(zoneID, len, status);

  if (U_FAILURE(*status)) {
      return NULL;
  }

  if ( caltype == UCAL_GREGORIAN ) {
      char  localeBuf[ULOC_LOCALE_IDENTIFIER_CAPACITY];
      if ( locale == NULL ) {
          locale = uloc_getDefault();
      }
      uprv_strncpy(localeBuf, locale, ULOC_LOCALE_IDENTIFIER_CAPACITY);
      uloc_setKeywordValue("calendar", "gregorian", localeBuf, ULOC_LOCALE_IDENTIFIER_CAPACITY, status);
      if (U_FAILURE(*status)) {
          return NULL;
      }
      return (UCalendar*)Calendar::createInstance(zone, Locale(localeBuf), *status);
  }
  return (UCalendar*)Calendar::createInstance(zone, Locale(locale), *status);
}

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;
}

//----------------------------------------------------------------------------------------
//
//    ubrk_open      Create a canned type of break iterator based on type (word, line, etc.)
//                   and locale.
//
//----------------------------------------------------------------------------------------
U_CAPI UBreakIterator* U_EXPORT2
ubrk_open(UBreakIteratorType type,
      const char *locale,
      const UChar *text,
      int32_t textLength,
      UErrorCode *status)
{

  if(U_FAILURE(*status)) return 0;

  BreakIterator *result = 0;

  switch(type) {

  case UBRK_CHARACTER:
    result = BreakIterator::createCharacterInstance(Locale(locale), *status);
    break;

  case UBRK_WORD:
    result = BreakIterator::createWordInstance(Locale(locale), *status);
    break;

  case UBRK_LINE:
    result = BreakIterator::createLineInstance(Locale(locale), *status);
    break;

  case UBRK_SENTENCE:
    result = BreakIterator::createSentenceInstance(Locale(locale), *status);
    break;

  case UBRK_TITLE:
    result = BreakIterator::createTitleInstance(Locale(locale), *status);
    break;
  }

  // check for allocation error
  if (U_FAILURE(*status)) {
     return 0;
  }
  if(result == 0) {
    *status = U_MEMORY_ALLOCATION_ERROR;
    return 0;
  }

  if (text != NULL) {
      UCharCharacterIterator *iter = 0;
      iter = new UCharCharacterIterator(text, textLength);
      if(iter == 0) {
          *status = U_MEMORY_ALLOCATION_ERROR;
          delete result;
          return 0;
      }
      result->adoptText(iter);
  }

  return (UBreakIterator*)result;
}

void MallocState::print(llvm::raw_ostream &Out,
                        seec::util::IndentationGuide &Indentation) const
{
  std::string AddressString;
  
  {
    llvm::raw_string_ostream AddressStringStream(AddressString);
    seec::util::write_hex_padded(AddressStringStream, this->getAddress());
  }
  
  auto const LazyDescription =
    seec::LazyMessageByRef::create("SeeCClang",
                                   {"states", "MallocState"},
                                   std::make_pair("size",
                                                  int64_t(this->getSize())),
                                   std::make_pair("address",
                                                  AddressString.c_str()));
  
  UErrorCode ICUStatus = U_ZERO_ERROR;
  auto const Description = LazyDescription->get(ICUStatus, Locale());
  
  if (U_FAILURE(ICUStatus))
    return;
  
  Out << Indentation.getString() << Description << "\n";
  
  auto const Mapping = this->getAllocatorInstMapping();
  if (auto const Stmt = Mapping.getStmt()) {
    Indentation.indent();
    
    auto const &AST = Mapping.getAST()->getASTUnit();
    auto const &SrcManager = AST.getSourceManager();
    
    auto const LocStart = Stmt->getLocStart();
    auto const Filename = SrcManager.getFilename(LocStart);
    auto const Line = SrcManager.getSpellingLineNumber(LocStart);
    auto const Column = SrcManager.getSpellingColumnNumber(LocStart);
    
    auto const LazyLocation =
      seec::LazyMessageByRef::create("SeeCClang",
                                     {"states", "MallocStateAllocatedAt"},
                                     std::make_pair("filename",
                                                    Filename.str().c_str()),
                                     std::make_pair("line", int64_t(Line)),
                                     std::make_pair("column", int64_t(Column)));
    
    auto const Location = LazyLocation->get(ICUStatus, Locale());
    
    if (U_SUCCESS(ICUStatus))
      Out << Indentation.getString() << Location << "\n";
    
    Indentation.unindent();
  }
}

//------------------------------------------------------------------------------
//
//    ubrk_open      Create a canned type of break iterator based on type (word, line, etc.)
//                   and locale.
//
//------------------------------------------------------------------------------
U_CAPI UBreakIterator* U_EXPORT2
ubrk_open(UBreakIteratorType type,
      const char *locale,
      const UChar *text,
      int32_t textLength,
      UErrorCode *status)
{

  if(U_FAILURE(*status)) return 0;

  BreakIterator *result = 0;

  switch(type) {

  case UBRK_CHARACTER:
    result = BreakIterator::createCharacterInstance(Locale(locale), *status);
    break;

  case UBRK_WORD:
    result = BreakIterator::createWordInstance(Locale(locale), *status);
    break;

  case UBRK_LINE:
    result = BreakIterator::createLineInstance(Locale(locale), *status);
    break;

  case UBRK_SENTENCE:
    result = BreakIterator::createSentenceInstance(Locale(locale), *status);
    break;

  case UBRK_TITLE:
    result = BreakIterator::createTitleInstance(Locale(locale), *status);
    break;

  default:
    *status = U_ILLEGAL_ARGUMENT_ERROR;
  }

  // check for allocation error
  if (U_FAILURE(*status)) {
     return 0;
  }
  if(result == 0) {
    *status = U_MEMORY_ALLOCATION_ERROR;
    return 0;
  }


  UBreakIterator *uBI = (UBreakIterator *)result;
  if (text != NULL) {
      ubrk_setText(uBI, text, textLength, status);
  }
  return uBI;
}

static void U_CALLCONV 
initAvailableLocaleList(UErrorCode &status) {
    U_ASSERT(availableLocaleListCount == 0);
    U_ASSERT(availableLocaleList == NULL);
    // for now, there is a hardcoded list, so just walk through that list and set it up.
    UResourceBundle *index = NULL;
    UResourceBundle installed;
    int32_t i = 0;
    
    ures_initStackObject(&installed);
    index = ures_openDirect(U_ICUDATA_COLL, "res_index", &status);
    ures_getByKey(index, "InstalledLocales", &installed, &status);
    
    if(U_SUCCESS(status)) {
        availableLocaleListCount = ures_getSize(&installed);
        availableLocaleList = new Locale[availableLocaleListCount];
        
        if (availableLocaleList != NULL) {
            ures_resetIterator(&installed);
            while(ures_hasNext(&installed)) {
                const char *tempKey = NULL;
                ures_getNextString(&installed, NULL, &tempKey, &status);
                availableLocaleList[i++] = Locale(tempKey);
            }
        }
        U_ASSERT(availableLocaleListCount == i);
        ures_close(&installed);
    }
    ures_close(index);
    ucln_i18n_registerCleanup(UCLN_I18N_COLLATOR, collator_cleanup);
}

/* When the default locale is tr, make sure that the pattern can still be parsed. */
void TestMessageFormat::TestTurkishCasing()
{
    UErrorCode err = U_ZERO_ERROR;
    Locale  saveDefaultLocale;
    Locale::setDefault( Locale("tr"), err );

    Formattable arguments[] = {
        (int32_t)7,
        Formattable(UDate(8.71068e+011), Formattable::kIsDate),
        "a disturbance in the Force"
        };

    UnicodeString result;
    result = MessageFormat::format(
        "At {1,TIME} on {1,DATE,SHORT}, there was {2} on planet {0,NUMBER,INTEGER}.",
        arguments,
        3,
        result,
        err);

    if (U_FAILURE(err)) {
        errln("TestTurkishCasing #1 with error code %s", u_errorName(err));
        return;
    }

    const UnicodeString expected(
            "At 12:20:00 on 08.08.1997, there was a disturbance in the Force on planet 7.", "");
    if (result != expected) {
        errln("TestTurkishCasing failed on test");
        errln( UnicodeString("     Result: ") + result );
        errln( UnicodeString("   Expected: ") + expected );
    }
    Locale::setDefault( saveDefaultLocale, err );
}

void
EthiopicCalendar::initializeSystemDefaultCentury()
{
    // lazy-evaluate systemDefaultCenturyStart
    UBool needsUpdate;
    UMTX_CHECK(NULL, (fgSystemDefaultCenturyStart == fgSystemDefaultCentury), needsUpdate);

    if (!needsUpdate) {
        return;
    }

    UErrorCode status = U_ZERO_ERROR;

    EthiopicCalendar calendar(Locale("@calendar=ethiopic"), status);
    if (U_SUCCESS(status)) {
        calendar.setTime(Calendar::getNow(), status);
        calendar.add(UCAL_YEAR, -80, status);
        UDate    newStart = calendar.getTime(status);
        int32_t  newYear  = calendar.get(UCAL_YEAR, status);
        {
            umtx_lock(NULL);
            fgSystemDefaultCenturyStartYear = newYear;
            fgSystemDefaultCenturyStart = newStart;
            umtx_unlock(NULL);
        }
    }
    // We have no recourse upon failure unless we want to propagate the failure
    // out.
}

/**
 * Internal function to look up currency data.  Result is an array of
 * two integers.  The first is the fraction digits.  The second is the
 * rounding increment, or 0 if none.  The rounding increment is in
 * units of 10^(-fraction_digits).
 */
static const int32_t*
_findMetaData(const UChar* currency) {

    // Get CurrencyMeta resource out of root locale file.  [This may
    // move out of the root locale file later; if it does, update this
    // code.]
    UErrorCode ec = U_ZERO_ERROR;
    ResourceBundle currencyMeta =
        ResourceBundle((char*)0, Locale(""), ec).get(CURRENCY_META, ec);
    
    if (U_FAILURE(ec)) {
        // Config/build error; return hard-coded defaults
        return LAST_RESORT_DATA;
    }

    // Look up our currency, or if that's not available, then DEFAULT
    char buf[ISO_COUNTRY_CODE_LENGTH+1];
    ResourceBundle rb = currencyMeta.get(myUCharsToChars(buf, currency), ec);
    if (U_FAILURE(ec)) {
        rb = currencyMeta.get(DEFAULT_META, ec);
        if (U_FAILURE(ec)) {
            // Config/build error; return hard-coded defaults
            return LAST_RESORT_DATA;
        }
    }

    int32_t len;
    const int32_t *data = rb.getIntVector(len, ec);
    if (U_FAILURE(ec) || len < 2) {
        // Config/build error; return hard-coded defaults
        return LAST_RESORT_DATA;
    }

    return data;
}

void DateFormatRoundTripTest::TestDateFormatRoundTrip() 
{
    UErrorCode status = U_ZERO_ERROR;

    getFieldCal = Calendar::createInstance(status);
    failure(status, "Calendar::createInstance");
    if(!assertSuccess("trying to construct", status))return;


    int32_t locCount = 0;
    const Locale *avail = DateFormat::getAvailableLocales(locCount);
    logln("DateFormat available locales: %d", locCount);
    if(quick) {
        SPARSENESS = 18;
        logln("Quick mode: only testing SPARSENESS = 18");
    }
    TimeZone *tz = TimeZone::createDefault();
    UnicodeString temp;
    logln("Default TimeZone:             " + tz->getID(temp));
    delete tz;

#ifdef TEST_ONE_LOC // define this to just test ONE locale.
    Locale loc(TEST_ONE_LOC);
    test(loc);
#if INFINITE
    for(;;) {
      test(loc);
    }
#endif

#else
# if INFINITE
    // Special infinite loop test mode for finding hard to reproduce errors
    Locale loc = Locale::getDefault();
    logln("ENTERING INFINITE TEST LOOP FOR Locale: " + loc.getDisplayName(temp));
    for(;;) 
        test(loc);
# else
    test(Locale::getDefault());

#if 1
    // installed locales
    for (int i=0; i < locCount; ++i) {
            test(avail[i]);
    }
#endif

#if 1
    // special locales
    int32_t jCount = CalendarTest::testLocaleCount();
    for (int32_t j=0; j < jCount; ++j) {
        test(Locale(CalendarTest::testLocaleID(j)));
    }
#endif

# endif
#endif

    delete getFieldCal;
}

U_CAPI int32_t U_EXPORT2
ucasemap_utf8ToTitle(UCaseMap *csm,
                     char *dest, int32_t destCapacity,
                     const char *src, int32_t srcLength,
                     UErrorCode *pErrorCode) {
    if (U_FAILURE(*pErrorCode)) {
        return 0;
    }
    UText utext=UTEXT_INITIALIZER;
    utext_openUTF8(&utext, (const char *)src, srcLength, pErrorCode);
    if(csm->iter==NULL) {
        csm->iter=BreakIterator::createWordInstance(Locale(csm->locale), *pErrorCode);
    }
    if (U_FAILURE(*pErrorCode)) {
        return 0;
    }
    csm->iter->setText(&utext, *pErrorCode);
    int32_t length=ucasemap_mapUTF8(
            csm->caseLocale, csm->options, csm->iter,
            (uint8_t *)dest, destCapacity,
            (const uint8_t *)src, srcLength,
            ucasemap_internalUTF8ToTitle, pErrorCode);
    utext_close(&utext);
    return length;
}