/*
* This method updates the cache and must be called with a lock
*/
const UChar*
TZGNCore::getPartialLocationName(const UnicodeString& tzCanonicalID,
const UnicodeString& mzID, UBool isLong, const UnicodeString& mzDisplayName) {
U_ASSERT(!tzCanonicalID.isEmpty());
U_ASSERT(!mzID.isEmpty());
U_ASSERT(!mzDisplayName.isEmpty());
PartialLocationKey key;
key.tzID = ZoneMeta::findTimeZoneID(tzCanonicalID);
key.mzID = ZoneMeta::findMetaZoneID(mzID);
key.isLong = isLong;
U_ASSERT(key.tzID != NULL && key.mzID != NULL);
const UChar* uplname = (const UChar*)uhash_get(fPartialLocationNamesMap, (void *)&key);
if (uplname != NULL) {
return uplname;
}
UnicodeString location;
UnicodeString usCountryCode;
ZoneMeta::getCanonicalCountry(tzCanonicalID, usCountryCode);
if (!usCountryCode.isEmpty()) {
char countryCode[ULOC_COUNTRY_CAPACITY];
U_ASSERT(usCountryCode.length() < ULOC_COUNTRY_CAPACITY);
int32_t ccLen = usCountryCode.extract(0, usCountryCode.length(), countryCode, sizeof(countryCode), US_INV);
countryCode[ccLen] = 0;
UnicodeString regionalGolden;
fTimeZoneNames->getReferenceZoneID(mzID, countryCode, regionalGolden);
if (tzCanonicalID == regionalGolden) {
// Use country name
fLocaleDisplayNames->regionDisplayName(countryCode, location);
} else {
// Otherwise, use exemplar city name
fTimeZoneNames->getExemplarLocationName(tzCanonicalID, location);
}
} else {
fTimeZoneNames->getExemplarLocationName(tzCanonicalID, location);
if (location.isEmpty()) {
// This could happen when the time zone is not associated with a country,
// and its ID is not hierarchical, for example, CST6CDT.
// We use the canonical ID itself as the location for this case.
location.setTo(tzCanonicalID);
}
}
UErrorCode status = U_ZERO_ERROR;
UnicodeString name;
fFallbackFormat.format(location, mzDisplayName, name, status);
if (U_FAILURE(status)) {
return NULL;
}
uplname = fStringPool.get(name, status);
if (U_SUCCESS(status)) {
// Add the name to cache
PartialLocationKey* cacheKey = (PartialLocationKey *)uprv_malloc(sizeof(PartialLocationKey));
if (cacheKey != NULL) {
cacheKey->tzID = key.tzID;
cacheKey->mzID = key.mzID;
cacheKey->isLong = key.isLong;
uhash_put(fPartialLocationNamesMap, (void *)cacheKey, (void *)uplname, &status);
if (U_FAILURE(status)) {
uprv_free(cacheKey);
} else {
// put the name to the local trie as well
GNameInfo *nameinfo = (ZNameInfo *)uprv_malloc(sizeof(GNameInfo));
if (nameinfo != NULL) {
nameinfo->type = isLong ? UTZGNM_LONG : UTZGNM_SHORT;
nameinfo->tzID = key.tzID;
fGNamesTrie.put(uplname, nameinfo, status);
}
}
}
}
return uplname;
}
UnicodeString&
LocaleDisplayNamesImpl::localeDisplayName(const Locale& locale,
UnicodeString& result) const {
if (locale.isBogus()) {
result.setToBogus();
return result;
}
UnicodeString resultName;
const char* lang = locale.getLanguage();
if (uprv_strlen(lang) == 0) {
lang = "root";
}
const char* script = locale.getScript();
const char* country = locale.getCountry();
const char* variant = locale.getVariant();
UBool hasScript = uprv_strlen(script) > 0;
UBool hasCountry = uprv_strlen(country) > 0;
UBool hasVariant = uprv_strlen(variant) > 0;
if (dialectHandling == ULDN_DIALECT_NAMES) {
char buffer[ULOC_FULLNAME_CAPACITY];
do { // loop construct is so we can break early out of search
if (hasScript && hasCountry) {
ncat(buffer, ULOC_FULLNAME_CAPACITY, lang, "_", script, "_", country, (char *)0);
localeIdName(buffer, resultName);
if (!resultName.isBogus()) {
hasScript = FALSE;
hasCountry = FALSE;
break;
}
}
if (hasScript) {
ncat(buffer, ULOC_FULLNAME_CAPACITY, lang, "_", script, (char *)0);
localeIdName(buffer, resultName);
if (!resultName.isBogus()) {
hasScript = FALSE;
break;
}
}
if (hasCountry) {
ncat(buffer, ULOC_FULLNAME_CAPACITY, lang, "_", country, (char*)0);
localeIdName(buffer, resultName);
if (!resultName.isBogus()) {
hasCountry = FALSE;
break;
}
}
} while (FALSE);
}
if (resultName.isBogus() || resultName.isEmpty()) {
localeIdName(lang, resultName);
}
UnicodeString resultRemainder;
UnicodeString temp;
UErrorCode status = U_ZERO_ERROR;
if (hasScript) {
resultRemainder.append(scriptDisplayName(script, temp, TRUE));
}
if (hasCountry) {
appendWithSep(resultRemainder, regionDisplayName(country, temp, TRUE));
}
if (hasVariant) {
appendWithSep(resultRemainder, variantDisplayName(variant, temp, TRUE));
}
resultRemainder.findAndReplace(formatOpenParen, formatReplaceOpenParen);
resultRemainder.findAndReplace(formatCloseParen, formatReplaceCloseParen);
LocalPointer<StringEnumeration> e(locale.createKeywords(status));
if (e.isValid() && U_SUCCESS(status)) {
UnicodeString temp2;
char value[ULOC_KEYWORD_AND_VALUES_CAPACITY]; // sigh, no ULOC_VALUE_CAPACITY
const char* key;
while ((key = e->next((int32_t *)0, status)) != NULL) {
locale.getKeywordValue(key, value, ULOC_KEYWORD_AND_VALUES_CAPACITY, status);
if (U_FAILURE(status)) {
return result;
}
keyDisplayName(key, temp, TRUE);
temp.findAndReplace(formatOpenParen, formatReplaceOpenParen);
temp.findAndReplace(formatCloseParen, formatReplaceCloseParen);
keyValueDisplayName(key, value, temp2, TRUE);
temp2.findAndReplace(formatOpenParen, formatReplaceOpenParen);
temp2.findAndReplace(formatCloseParen, formatReplaceCloseParen);
if (temp2 != UnicodeString(value, -1, US_INV)) {
appendWithSep(resultRemainder, temp2);
} else if (temp != UnicodeString(key, -1, US_INV)) {
UnicodeString temp3;
keyTypeFormat.format(temp, temp2, temp3, status);
appendWithSep(resultRemainder, temp3);
} else {
appendWithSep(resultRemainder, temp)
.append((UChar)0x3d /* = */)
.append(temp2);
}
}
}
if (!resultRemainder.isEmpty()) {
format.format(resultName, resultRemainder, result.remove(), status);
return adjustForUsageAndContext(kCapContextUsageLanguage, result);
}
result = resultName;
return adjustForUsageAndContext(kCapContextUsageLanguage, result);
}
/*
* This method updates the cache and must be called with a lock
*/
const UChar*
TZGNCore::getGenericLocationName(const UnicodeString& tzCanonicalID) {
U_ASSERT(!tzCanonicalID.isEmpty());
if (tzCanonicalID.length() > ZID_KEY_MAX) {
return NULL;
}
UErrorCode status = U_ZERO_ERROR;
UChar tzIDKey[ZID_KEY_MAX + 1];
int32_t tzIDKeyLen = tzCanonicalID.extract(tzIDKey, ZID_KEY_MAX + 1, status);
U_ASSERT(status == U_ZERO_ERROR); // already checked length above
tzIDKey[tzIDKeyLen] = 0;
const UChar *locname = (const UChar *)uhash_get(fLocationNamesMap, tzIDKey);
if (locname != NULL) {
// gEmpty indicate the name is not available
if (locname == gEmpty) {
return NULL;
}
return locname;
}
// Construct location name
UnicodeString name;
UnicodeString usCountryCode;
UBool isPrimary = FALSE;
ZoneMeta::getCanonicalCountry(tzCanonicalID, usCountryCode, &isPrimary);
if (!usCountryCode.isEmpty()) {
if (isPrimary) {
// If this is the primary zone in the country, use the country name.
char countryCode[ULOC_COUNTRY_CAPACITY];
U_ASSERT(usCountryCode.length() < ULOC_COUNTRY_CAPACITY);
int32_t ccLen = usCountryCode.extract(0, usCountryCode.length(), countryCode, sizeof(countryCode), US_INV);
countryCode[ccLen] = 0;
UnicodeString country;
fLocaleDisplayNames->regionDisplayName(countryCode, country);
fRegionFormat.format(country, name, status);
} else {
// If this is not the primary zone in the country,
// use the exemplar city name.
// getExemplarLocationName should retur non-empty string
// if the time zone is associated with a region
UnicodeString city;
fTimeZoneNames->getExemplarLocationName(tzCanonicalID, city);
fRegionFormat.format(city, name, status);
}
if (U_FAILURE(status)) {
return NULL;
}
}
locname = name.isEmpty() ? NULL : fStringPool.get(name, status);
if (U_SUCCESS(status)) {
// Cache the result
const UChar* cacheID = ZoneMeta::findTimeZoneID(tzCanonicalID);
U_ASSERT(cacheID != NULL);
if (locname == NULL) {
// gEmpty to indicate - no location name available
uhash_put(fLocationNamesMap, (void *)cacheID, (void *)gEmpty, &status);
} else {
uhash_put(fLocationNamesMap, (void *)cacheID, (void *)locname, &status);
if (U_FAILURE(status)) {
locname = NULL;
} else {
// put the name info into the trie
GNameInfo *nameinfo = (ZNameInfo *)uprv_malloc(sizeof(GNameInfo));
if (nameinfo != NULL) {
nameinfo->type = UTZGNM_LOCATION;
nameinfo->tzID = cacheID;
fGNamesTrie.put(locname, nameinfo, status);
}
}
}
}
return locname;
}
