C++ StringEnumeration::count方法代码示例

/**
 * Returns an enumeration over the IDs of all the regions that are children of this region anywhere in the region
 * hierarchy and match the given type.  This API may return an empty enumeration if this region doesn't have any
 * sub-regions that match the given type. For example, calling this method with region "150" (Europe) and type
 * "URGN_TERRITORY" returns a set containing all the territories in Europe ( "FR" (France) - "IT" (Italy) - "DE" (Germany) etc. )
 */
StringEnumeration*
Region::getContainedRegions( URegionType type, UErrorCode &status ) const {
    umtx_initOnce(gRegionDataInitOnce, &loadRegionData, status); // returns immediately if U_FAILURE(status)
    if (U_FAILURE(status)) {
        return NULL;
    }

    UVector *result = new UVector(NULL, uhash_compareChars, status);

    StringEnumeration *cr = getContainedRegions(status);

    for ( int32_t i = 0 ; i < cr->count(status) ; i++ ) {
        const char *id = cr->next(NULL,status);
        const Region *r = Region::getInstance(id,status);
        if ( r->getType() == type ) {
            result->addElement((void *)&r->idStr,status);
        } else {
            StringEnumeration *children = r->getContainedRegions(type, status);
            for ( int32_t j = 0 ; j < children->count(status) ; j++ ) {
                const char *id2 = children->next(NULL,status);
                const Region *r2 = Region::getInstance(id2,status);
                result->addElement((void *)&r2->idStr,status);
            }
            delete children;
        }
    }
    delete cr;
    StringEnumeration* resultEnumeration = new RegionNameEnumeration(result,status);
    delete result;
    return resultEnumeration;
}

/**
 * Iterate through the given iterator, checking to see that all the strings
 * in the expected array are present.
 * @param expected array of strings we expect to see, or NULL
 * @param expectedCount number of elements of expected, or 0
 */
int32_t CollationServiceTest::checkStringEnumeration(const char* msg,
                                                     StringEnumeration& iter,
                                                     const char** expected,
                                                     int32_t expectedCount) {
    UErrorCode ec = U_ZERO_ERROR;
    U_ASSERT(expectedCount >= 0 && expectedCount < 31); // [sic] 31 not 32
    int32_t i = 0, idxAfterReset = 0, n = iter.count(ec);
    assertSuccess("count", ec);
    UnicodeString buf, buffAfterReset;
    int32_t seenMask = 0;
    for (;; ++i) {
        const UnicodeString* s = iter.snext(ec);
        if (!assertSuccess("snext", ec) || s == NULL)
            break;
        if (i != 0)
            buf.append(UNICODE_STRING_SIMPLE(", "));
        buf.append(*s);
        // check expected list
        for (int32_t j=0, bit=1; j<expectedCount; ++j, bit<<=1) {
            if ((seenMask&bit)==0) {
                UnicodeString exp(expected[j], (char*)NULL);
                if (*s == exp) {
                    seenMask |= bit;
                    logln((UnicodeString)"Ok: \"" + exp + "\" seen");
                }
            }
        }
    }
    // can't get pesky operator+(const US&, foo) to cooperate; use toString
#if !UCONFIG_NO_FORMATTING
    logln(UnicodeString() + msg + " = [" + buf + "] (" + toString(i) + ")");
#else
    logln(UnicodeString() + msg + " = [" + buf + "] (??? NO_FORMATTING)");
#endif
    assertTrue("count verified", i==n);
    iter.reset(ec);
    for (;; ++idxAfterReset) {
        const UChar *s = iter.unext(NULL, ec);
        if (!assertSuccess("unext", ec) || s == NULL)
            break;
        if (idxAfterReset != 0)
            buffAfterReset.append(UNICODE_STRING_SIMPLE(", "));
        buffAfterReset.append(s);
    }
    assertTrue("idxAfterReset verified", idxAfterReset==n);
    assertTrue("buffAfterReset verified", buffAfterReset==buf);
    // did we see all expected strings?
    if (((1<<expectedCount)-1) != seenMask) {
        for (int32_t j=0, bit=1; j<expectedCount; ++j, bit<<=1) {
            if ((seenMask&bit)==0) {
                errln((UnicodeString)"FAIL: \"" + expected[j] + "\" not seen");
            }
        }
    }
    return n;
}

/**
 * Set up ICU, print # of available collators
 */
void setup(UErrorCode &status) {
    u_init(&status);
  
    fprintf(stderr, "ICU %s init: %s\n", U_ICU_VERSION, u_errorName(status));

    int32_t count;
    StringEnumeration *se = Collator::getAvailableLocales();
    count = se->count(status);
    fprintf(stderr, "# Collators now available: %d,\t%s - %d providers expected.\n", count, u_errorName(status), (int32_t)PROVIDER_COUNT);
}

/**
 * @bug 4151406
 * TimeZone::getAvailableIDs(int32_t) throws exception for certain values,
 * due to a faulty constant in TimeZone::java.
 */
void TimeZoneRegressionTest:: Test4151406() {
    int32_t max = 0;
    for (int32_t h=-28; h<=30; ++h) {
        // h is in half-hours from GMT; rawoffset is in millis
        int32_t rawoffset = h * 1800000;
        int32_t hh = (h<0) ? -h : h;
        UnicodeString hname = UnicodeString((h<0) ? "GMT-" : "GMT+") +
            ((hh/2 < 10) ? "0" : "") +
            (hh/2) + ':' +
            ((hh%2==0) ? "00" : "30");
        //try {
            UErrorCode ec = U_ZERO_ERROR;
            int32_t count;
            StringEnumeration* ids = TimeZone::createEnumeration(rawoffset);
            if (ids == NULL) {
                dataerrln("Fail: TimeZone::createEnumeration(rawoffset)");
                continue;
            }
            count = ids->count(ec);
            if (count> max) 
                max = count;
            if (count > 0) {
                logln(hname + ' ' + (UnicodeString)count + (UnicodeString)" e.g. " + *ids->snext(ec));
            } else {
                logln(hname + ' ' + count);
            }
            // weiv 11/27/2002: why uprv_free? This should be a delete
            delete ids;
            //delete [] ids;
            //uprv_free(ids);
        /*} catch (Exception e) {
            errln(hname + ' ' + "Fail: " + e);
        }*/
    }
    logln("Maximum zones per offset = %d", max);
}

//.........这里部分代码省略.........

    logln("Testing getStaticClassID()");
    status = U_ZERO_ERROR;
    DateTimePatternGenerator *test= DateTimePatternGenerator::createInstance(status);
    
    if(test->getDynamicClassID() != DateTimePatternGenerator::getStaticClassID()) {
        errln("ERROR: getDynamicClassID() didn't return the expected value");
    }
    delete test;
    
    // ====== Test createEmptyInstance()
    
    logln("Testing createEmptyInstance()");
    status = U_ZERO_ERROR;
    
    test = DateTimePatternGenerator::createEmptyInstance(status);
    if(U_FAILURE(status)) {
         errln("ERROR: Fail to create an empty instance ! - exitting.\n");
         delete test;
         return;
    }
    
    conflictingStatus = test->addPattern(UnicodeString("MMMMd"), true, conflictingPattern, status); 
    status = U_ZERO_ERROR;
    testPattern=test->getBestPattern(UnicodeString("MMMMdd"), status);
    conflictingStatus = test->addPattern(UnicodeString("HH:mm"), true, conflictingPattern, status); 
    conflictingStatus = test->addPattern(UnicodeString("MMMMMd"), true, conflictingPattern, status); //duplicate pattern
    StringEnumeration *output=NULL;
    output = test->getRedundants(status);
    expectedResult=UnicodeString("MMMMd");
    if (output != NULL) {
        output->reset(status);
        const UnicodeString *dupPattern=output->snext(status);
        if ( (dupPattern==NULL) || (*dupPattern != expectedResult) ) {
            errln("ERROR: Fail in getRedundants !\n");
        }
    }
    
    // ======== Test getSkeletons and getBaseSkeletons
    StringEnumeration* ptrSkeletonEnum = test->getSkeletons(status);
    if(U_FAILURE(status)) {
        errln("ERROR: Fail to get skeletons !\n");
    }
    UnicodeString returnPattern, *ptrSkeleton;
    ptrSkeletonEnum->reset(status);
    int32_t count=ptrSkeletonEnum->count(status);
    for (i=0; i<count; ++i) {
        ptrSkeleton = (UnicodeString *)ptrSkeletonEnum->snext(status);
        returnPattern = test->getPatternForSkeleton(*ptrSkeleton);
        if ( returnPattern != testSkeletonsResults[i] ) {
            errln(UnicodeString("ERROR: Unexpected result from getSkeletons and getPatternForSkeleton\nGot: ") + returnPattern
               + UnicodeString("\nExpected: ") + testSkeletonsResults[i]
               + UnicodeString("\n"));
        }
    }
    StringEnumeration* ptrBaseSkeletonEnum = test->getBaseSkeletons(status);
    if(U_FAILURE(status)) {
        errln("ERROR: Fail to get base skeletons !\n");
    }   
    count=ptrBaseSkeletonEnum->count(status);
    for (i=0; i<count; ++i) {
        ptrSkeleton = (UnicodeString *)ptrBaseSkeletonEnum->snext(status);
        if ( *ptrSkeleton != testBaseSkeletonsResults[i] ) {
            errln("ERROR: Unexpected result from getBaseSkeletons() !\n");
        }
    }

    // ========= DateTimePatternGenerator sample code in Userguide
    // set up the generator
    Locale locale = Locale::getFrench();
    status = U_ZERO_ERROR;
    DateTimePatternGenerator *generator = DateTimePatternGenerator::createInstance( locale, status);
        
    // get a pattern for an abbreviated month and day
    pattern = generator->getBestPattern(UnicodeString("MMMd"), status); 
    SimpleDateFormat formatter(pattern, locale, status); 

    zone = TimeZone::createTimeZone(UnicodeString("GMT"));
    formatter.setTimeZone(*zone);
    // use it to format (or parse)
    UnicodeString formatted;
    formatted = formatter.format(Calendar::getNow(), formatted, status); 
    // for French, the result is "13 sept."
    formatted.remove();
    // cannot use the result from getNow() because the value change evreyday.
    testDate= LocaleTest::date(99, 0, 13, 23, 58, 59);
    formatted = formatter.format(testDate, formatted, status);
    expectedResult=UnicodeString("14 janv.");
    if ( formatted != expectedResult ) {
        errln("ERROR: Userguide sample code result!");
        errln(UnicodeString(" Got: ")+ formatted + UnicodeString(" Expected: ") + expectedResult);
    }

    delete zone;
    delete output;
    delete ptrSkeletonEnum;
    delete ptrBaseSkeletonEnum;
    delete test;
    delete generator;
}

void CollationServiceTest::TestRegister()
{
#if !UCONFIG_NO_SERVICE
    // register a singleton
    const Locale& FR = Locale::getFrance();
    const Locale& US = Locale::getUS();
    const Locale US_FOO("en", "US", "FOO");

    UErrorCode status = U_ZERO_ERROR;

    Collator* frcol = Collator::createInstance(FR, status);
    Collator* uscol = Collator::createInstance(US, status);
    if(U_FAILURE(status)) {
        errcheckln(status, "Failed to create collators with %s", u_errorName(status));
        delete frcol;
        delete uscol;
        return;
    }

    { // try override en_US collator
        URegistryKey key = Collator::registerInstance(frcol, US, status);

        Collator* ncol = Collator::createInstance(US_FOO, status);
        if (*frcol != *ncol) {
            errln("register of french collator for en_US failed on request for en_US_FOO");
        }
        // ensure original collator's params not touched
        Locale loc = frcol->getLocale(ULOC_REQUESTED_LOCALE, status);
        if (loc != FR) {
          errln(UnicodeString("fr collator's requested locale changed to ") + loc.getName());
        }
        loc = frcol->getLocale(ULOC_VALID_LOCALE, status);
        if (loc != FR) {
          errln(UnicodeString("fr collator's valid locale changed to ") + loc.getName());
        }

        loc = ncol->getLocale(ULOC_REQUESTED_LOCALE, status);
        if (loc != US_FOO) {
            errln(UnicodeString("requested locale for en_US_FOO is not en_US_FOO but ") + loc.getName());
        }
        loc = ncol->getLocale(ULOC_VALID_LOCALE, status);
        if (loc != US) {
            errln(UnicodeString("valid locale for en_US_FOO is not en_US but ") + loc.getName());
        }
        loc = ncol->getLocale(ULOC_ACTUAL_LOCALE, status);
        if (loc != US) {
            errln(UnicodeString("actual locale for en_US_FOO is not en_US but ") + loc.getName());
        }
        delete ncol; ncol = NULL;

        if (!Collator::unregister(key, status)) {
            errln("failed to unregister french collator");
        }
        // !!! frcol pointer is now invalid !!!

        ncol = Collator::createInstance(US, status);
        if (*uscol != *ncol) {
            errln("collator after unregister does not match original");
        }
        delete ncol; ncol = NULL;
    }

    // recreate frcol
    frcol = Collator::createInstance(FR, status);

    LocalUCollatorPointer frFR(ucol_open("fr_FR", &status));

    { // try create collator for new locale
        Locale fu_FU_FOO("fu", "FU", "FOO");
        Locale fu_FU("fu", "FU", "");

        Collator* fucol = Collator::createInstance(fu_FU, status);
        URegistryKey key = Collator::registerInstance(frcol, fu_FU, status);
        Collator* ncol = Collator::createInstance(fu_FU_FOO, status);
        if (*frcol != *ncol) {
            errln("register of fr collator for fu_FU failed");
        }

        UnicodeString locName = fu_FU.getName();
        StringEnumeration* localeEnum = Collator::getAvailableLocales();
        UBool found = FALSE;
        const UnicodeString* locStr, *ls2;
        for (locStr = localeEnum->snext(status);
        !found && locStr != NULL;
        locStr = localeEnum->snext(status)) {
            //
            if (locName == *locStr) {
                found = TRUE;
            }
        }

        StringEnumeration *le2 = NULL;
        localeEnum->reset(status);
        int32_t i, count;
        count = localeEnum->count(status);
        for(i = 0; i < count; ++i) {
            if(i == count / 2) {
                le2 = localeEnum->clone();
                if(le2 == NULL || count != le2->count(status)) {
                    errln("ServiceEnumeration.clone() failed");
//.........这里部分代码省略.........

UnicodeString& U_EXPORT2
ZoneMeta::getSingleCountry(const UnicodeString &tzid, UnicodeString &country) {
    // Get canonical country for the zone
    const UChar *region = TimeZone::getRegion(tzid);
    if (u_strcmp(gWorld, region) == 0) {
        // special case - "001"
        country.remove();
        return country;
    }

    // Checking the cached results
    UErrorCode status = U_ZERO_ERROR;
    UBool initialized;
    UMTX_CHECK(&gZoneMetaLock, gCountryInfoVectorsInitialized, initialized);
    if (!initialized) {
        // Create empty vectors
        umtx_lock(&gZoneMetaLock);
        {
            if (!gCountryInfoVectorsInitialized) {
                // No deleters for these UVectors, it's a reference to a resource bundle string.
                gSingleZoneCountries = new UVector(NULL, uhash_compareUChars, status);
                if (gSingleZoneCountries == NULL) {
                    status = U_MEMORY_ALLOCATION_ERROR;
                }
                gMultiZonesCountries = new UVector(NULL, uhash_compareUChars, status);
                if (gMultiZonesCountries == NULL) {
                    status = U_MEMORY_ALLOCATION_ERROR;
                }

                if (U_SUCCESS(status)) {
                    gCountryInfoVectorsInitialized = TRUE;
                } else {
                    delete gSingleZoneCountries;
                    delete gMultiZonesCountries;
                }
            }
        }
        umtx_unlock(&gZoneMetaLock);

        if (U_FAILURE(status)) {
            country.remove();
            return country;
        }
    }

    // Check if it was already cached
    UBool cached = FALSE;
    UBool multiZones = FALSE;
    umtx_lock(&gZoneMetaLock);
    {
        multiZones = cached = gMultiZonesCountries->contains((void*)region);
        if (!multiZones) {
            cached = gSingleZoneCountries->contains((void*)region);
        }
    }
    umtx_unlock(&gZoneMetaLock);

    if (!cached) {
        // We need to go through all zones associated with the region.
        // This is relatively heavy operation.

        U_ASSERT(u_strlen(region) == 2);

        char buf[] = {0, 0, 0};
        u_UCharsToChars(region, buf, 2);

        StringEnumeration *ids = TimeZone::createEnumeration(buf);
        int32_t idsLen = ids->count(status);
        if (U_SUCCESS(status) && idsLen > 1) {
            // multiple zones are available for the region
            UnicodeString canonical, tmp;
            const UnicodeString *id = ids->snext(status);
            getCanonicalSystemID(*id, canonical, status);
            if (U_SUCCESS(status)) {
                // check if there are any other canonical zone in the group
                while ((id = ids->snext(status))!=NULL) {
                    getCanonicalSystemID(*id, tmp, status);
                    if (U_FAILURE(status)) {
                        break;
                    }
                    if (canonical != tmp) {
                        // another canonical zone was found
                        multiZones = TRUE;
                        break;
                    }
                }
            }
        }
        if (U_FAILURE(status)) {
            // no single country by default for any error cases
            multiZones = TRUE;
        }
        delete ids;

        // Cache the result
        umtx_lock(&gZoneMetaLock);
        {
            UErrorCode ec = U_ZERO_ERROR;
            if (multiZones) {
                if (!gMultiZonesCountries->contains((void*)region)) {
//.........这里部分代码省略.........

UnicodeString& U_EXPORT2
ZoneMeta::getCanonicalCountry(const UnicodeString &tzid, UnicodeString &country, UBool *isPrimary /* = NULL */) {
    if (isPrimary != NULL) {
        *isPrimary = FALSE;
    }

    const UChar *region = TimeZone::getRegion(tzid);
    if (region != NULL && u_strcmp(gWorld, region) != 0) {
        country.setTo(region, -1);
    } else {
        country.setToBogus();
        return country;
    }

    if (isPrimary != NULL) {
        char regionBuf[] = {0, 0, 0};

        // Checking the cached results
        UErrorCode status = U_ZERO_ERROR;
        umtx_initOnce(gCountryInfoVectorsInitOnce, &countryInfoVectorsInit, status);
        if (U_FAILURE(status)) {
            return country;
        }

        // Check if it was already cached
        UBool cached = FALSE;
        UBool singleZone = FALSE;
        umtx_lock(gZoneMetaLock());
        {
            singleZone = cached = gSingleZoneCountries->contains((void*)region);
            if (!cached) {
                cached = gMultiZonesCountries->contains((void*)region);
            }
        }
        umtx_unlock(gZoneMetaLock());

        if (!cached) {
            // We need to go through all zones associated with the region.
            // This is relatively heavy operation.

            U_ASSERT(u_strlen(region) == 2);

            u_UCharsToChars(region, regionBuf, 2);

            StringEnumeration *ids = TimeZone::createTimeZoneIDEnumeration(UCAL_ZONE_TYPE_CANONICAL_LOCATION, regionBuf, NULL, status);
            int32_t idsLen = ids->count(status);
            if (U_SUCCESS(status) && idsLen == 1) {
                // only the single zone is available for the region
                singleZone = TRUE;
            }
            delete ids;

            // Cache the result
            umtx_lock(gZoneMetaLock());
            {
                UErrorCode ec = U_ZERO_ERROR;
                if (singleZone) {
                    if (!gSingleZoneCountries->contains((void*)region)) {
                        gSingleZoneCountries->addElement((void*)region, ec);
                    }
                } else {
                    if (!gMultiZonesCountries->contains((void*)region)) {
                        gMultiZonesCountries->addElement((void*)region, ec);
                    }
                }
            }
            umtx_unlock(gZoneMetaLock());
        }

        if (singleZone) {
            *isPrimary = TRUE;
        } else {
            // Note: We may cache the primary zone map in future.

            // Even a country has multiple zones, one of them might be
            // dominant and treated as a primary zone
            int32_t idLen = 0;
            if (regionBuf[0] == 0) {
                u_UCharsToChars(region, regionBuf, 2);
            }

            UResourceBundle *rb = ures_openDirect(NULL, gMetaZones, &status);
            ures_getByKey(rb, gPrimaryZonesTag, rb, &status);
            const UChar *primaryZone = ures_getStringByKey(rb, regionBuf, &idLen, &status);
            if (U_SUCCESS(status)) {
                if (tzid.compare(primaryZone, idLen) == 0) {
                    *isPrimary = TRUE;
                } else {
                    // The given ID might not be a canonical ID
                    UnicodeString canonicalID;
                    TimeZone::getCanonicalID(tzid, canonicalID, status);
                    if (U_SUCCESS(status) && canonicalID.compare(primaryZone, idLen) == 0) {
                        *isPrimary = TRUE;
                    }
                }
            }
            ures_close(rb);
        }
    }

//.........这里部分代码省略.........

UHashtable*
ZoneMeta::createCanonicalMap(void) {
    UErrorCode status = U_ZERO_ERROR;

    UHashtable *canonicalMap = NULL;
    UResourceBundle *zoneFormatting = NULL;
    UResourceBundle *tzitem = NULL;
    UResourceBundle *aliases = NULL;

    StringEnumeration* tzenum = NULL;
    int32_t numZones;

    canonicalMap = uhash_open(uhash_hashUChars, uhash_compareUChars, NULL, &status);
    if (U_FAILURE(status)) {
        return NULL;
    }
    // no key deleter
    uhash_setValueDeleter(canonicalMap, deleteCanonicalMapEntry);

    zoneFormatting = ures_openDirect(NULL, gSupplementalData, &status);
    zoneFormatting = ures_getByKey(zoneFormatting, gZoneFormattingTag, zoneFormatting, &status);
    if (U_FAILURE(status)) {
        goto error_cleanup;
    }

    while (ures_hasNext(zoneFormatting)) {
        tzitem = ures_getNextResource(zoneFormatting, tzitem, &status);
        if (U_FAILURE(status)) {
            status = U_ZERO_ERROR;
            continue;
        }
        if (ures_getType(tzitem) != URES_TABLE) {
            continue;
        }

        int32_t canonicalLen;
        const UChar *canonical = ures_getStringByKey(tzitem, gCanonicalTag, &canonicalLen, &status);
        if (U_FAILURE(status)) {
            status = U_ZERO_ERROR;
            continue;
        }

        int32_t territoryLen;
        const UChar *territory = ures_getStringByKey(tzitem, gTerritoryTag, &territoryLen, &status);
        if (U_FAILURE(status)) {
            territory = NULL;
            status = U_ZERO_ERROR;
        }

        // Create canonical map entry
        CanonicalMapEntry *entry = (CanonicalMapEntry*)uprv_malloc(sizeof(CanonicalMapEntry));
        if (entry == NULL) {
            status = U_MEMORY_ALLOCATION_ERROR;
            goto error_cleanup;
        }
        entry->id = canonical;
        if (territory == NULL || u_strcmp(territory, gWorld) == 0) {
            entry->country = NULL;
        } else {
            entry->country = territory;
        }

        // Put this entry in the hashtable. Since this hashtable has no key deleter,
        // key is treated as const, but must be passed as non-const.
        uhash_put(canonicalMap, (UChar*)canonical, entry, &status);
        if (U_FAILURE(status)) {
            goto error_cleanup;
        }

        // Get aliases
        aliases = ures_getByKey(tzitem, gAliasesTag, aliases, &status);
        if (U_FAILURE(status)) {
            // No aliases
            status = U_ZERO_ERROR;
            continue;
        }

        while (ures_hasNext(aliases)) {
            const UChar* alias = ures_getNextString(aliases, NULL, NULL, &status);
            if (U_FAILURE(status)) {
                status = U_ZERO_ERROR;
                continue;
            }
            // Create canonical map entry for this alias
            entry = (CanonicalMapEntry*)uprv_malloc(sizeof(CanonicalMapEntry));
            if (entry == NULL) {
                status = U_MEMORY_ALLOCATION_ERROR;
                goto error_cleanup;
            }
            entry->id = canonical;
            if (territory  == NULL || u_strcmp(territory, gWorld) == 0) {
                entry->country = NULL;
            } else {
                entry->country = territory;
            }

            // Put this entry in the hashtable. Since this hashtable has no key deleter,
            // key is treated as const, but must be passed as non-const.
            uhash_put(canonicalMap, (UChar*)alias, entry, &status);
            if (U_FAILURE(status)) {
//.........这里部分代码省略.........