NumberFormat*
NumberFormat::makeInstance(const Locale& desiredLocale,
EStyles style,
UErrorCode& status)
{
if (U_FAILURE(status)) return NULL;
if (style < 0 || style >= kStyleCount) {
status = U_ILLEGAL_ARGUMENT_ERROR;
return NULL;
}
#ifdef U_WINDOWS
char buffer[8];
int32_t count = desiredLocale.getKeywordValue("compat", buffer, sizeof(buffer), status);
// if the locale has "@compat=host", create a host-specific NumberFormat
if (count > 0 && uprv_strcmp(buffer, "host") == 0) {
Win32NumberFormat *f = NULL;
UBool curr = TRUE;
switch (style) {
case kNumberStyle:
curr = FALSE;
// fall-through
case kCurrencyStyle:
case kIsoCurrencyStyle: // do not support plural formatting here
case kPluralCurrencyStyle:
f = new Win32NumberFormat(desiredLocale, curr, status);
if (U_SUCCESS(status)) {
return f;
}
delete f;
break;
default:
break;
}
}
#endif
NumberFormat* f = NULL;
DecimalFormatSymbols* symbolsToAdopt = NULL;
UnicodeString pattern;
UResourceBundle *resource = ures_open((char *)0, desiredLocale.getName(), &status);
UResourceBundle *numberPatterns = ures_getByKey(resource, DecimalFormat::fgNumberPatterns, NULL, &status);
NumberingSystem *ns = NULL;
UBool deleteSymbols = TRUE;
UHashtable * cache = NULL;
int32_t hashKey;
UBool getCache = FALSE;
UBool deleteNS = FALSE;
if (U_FAILURE(status)) {
// We don't appear to have resource data available -- use the last-resort data
status = U_USING_FALLBACK_WARNING;
// When the data is unavailable, and locale isn't passed in, last resort data is used.
symbolsToAdopt = new DecimalFormatSymbols(status);
// Creates a DecimalFormat instance with the last resort number patterns.
pattern.setTo(TRUE, gLastResortNumberPatterns[style], -1);
}
else {
// If not all the styled patterns exists for the NumberFormat in this locale,
// sets the status code to failure and returns nil.
if (ures_getSize(numberPatterns) < (int32_t)(sizeof(gLastResortNumberPatterns)/sizeof(gLastResortNumberPatterns[0])) -2 ) { //minus 2: ISO and plural
status = U_INVALID_FORMAT_ERROR;
goto cleanup;
}
// Loads the decimal symbols of the desired locale.
symbolsToAdopt = new DecimalFormatSymbols(desiredLocale, status);
int32_t patLen = 0;
/* for ISOCURRENCYSTYLE and PLURALCURRENCYSTYLE,
* the pattern is the same as the pattern of CURRENCYSTYLE
* but by replacing the single currency sign with
* double currency sign or triple currency sign.
*/
int styleInNumberPattern = ((style == kIsoCurrencyStyle ||
style == kPluralCurrencyStyle) ?
kCurrencyStyle : style);
const UChar *patResStr = ures_getStringByIndex(numberPatterns, (int32_t)styleInNumberPattern, &patLen, &status);
// Creates the specified decimal format style of the desired locale.
pattern.setTo(TRUE, patResStr, patLen);
}
if (U_FAILURE(status) || symbolsToAdopt == NULL) {
goto cleanup;
}
if(style==kCurrencyStyle || style == kIsoCurrencyStyle){
const UChar* currPattern = symbolsToAdopt->getCurrencyPattern();
if(currPattern!=NULL){
pattern.setTo(currPattern, u_strlen(currPattern));
}
}
// Use numbering system cache hashtable
UMTX_CHECK(&nscacheMutex, (UBool)(cache != NumberingSystem_cache), getCache);
if (getCache) {
umtx_lock(&nscacheMutex);
cache = NumberingSystem_cache;
umtx_unlock(&nscacheMutex);
}
// Check cache we got, create if non-existant
status = U_ZERO_ERROR;
if (cache == NULL) {
cache = uhash_open(uhash_hashLong,
uhash_compareLong,
NULL,
&status);
if (cache == NULL || U_FAILURE(status)) {
// cache not created - out of memory
cache = NULL;
}
else {
// cache created
uhash_setValueDeleter(cache, deleteNumberingSystem);
// set final NumberingSystem_cache value
UHashtable* h = NULL;
UMTX_CHECK(&nscacheMutex, (UBool)(h != NumberingSystem_cache), getCache);
if (getCache) {
umtx_lock(&nscacheMutex);
h = NumberingSystem_cache;
umtx_unlock(&nscacheMutex);
}
if (h == NULL) {
umtx_lock(&nscacheMutex);
NumberingSystem_cache = h = cache;
cache = NULL;
ucln_i18n_registerCleanup(UCLN_I18N_NUMFMT, numfmt_cleanup);
umtx_unlock(&nscacheMutex);
}
if(cache != NULL) {
uhash_close(cache);
}
cache = h;
}
}
// Get cached numbering system
if (cache != NULL) {
hashKey = desiredLocale.hashCode();
umtx_lock(&nscacheMutex);
ns = (NumberingSystem *)uhash_iget(cache, hashKey);
if (ns == NULL) {
ns = NumberingSystem::createInstance(desiredLocale,status);
uhash_iput(cache, hashKey, (void*)ns, &status);
}
umtx_unlock(&nscacheMutex);
}
else {
ns = NumberingSystem::createInstance(desiredLocale,status);
deleteNS = TRUE;
}
// check results of getting a numbering system
if ((ns == NULL) || (U_FAILURE(status))) {
goto cleanup;
}
if (ns->isAlgorithmic()) {
UnicodeString nsDesc;
UnicodeString nsRuleSetGroup;
UnicodeString nsRuleSetName;
Locale nsLoc;
URBNFRuleSetTag desiredRulesType = URBNF_NUMBERING_SYSTEM;
nsDesc.setTo(ns->getDescription());
int32_t firstSlash = nsDesc.indexOf(gSlash);
int32_t lastSlash = nsDesc.lastIndexOf(gSlash);
if ( lastSlash > firstSlash ) {
char nsLocID[ULOC_FULLNAME_CAPACITY];
nsDesc.extract(0,firstSlash,nsLocID,ULOC_FULLNAME_CAPACITY,US_INV);
nsRuleSetGroup.setTo(nsDesc,firstSlash+1,lastSlash-firstSlash-1);
nsRuleSetName.setTo(nsDesc,lastSlash+1);
nsLoc = Locale::createFromName(nsLocID);
UnicodeString SpelloutRules = UNICODE_STRING_SIMPLE("SpelloutRules");
if ( nsRuleSetGroup.compare(SpelloutRules) == 0 ) {
desiredRulesType = URBNF_SPELLOUT;
}
} else {
nsLoc = desiredLocale;
nsRuleSetName.setTo(nsDesc);
}
RuleBasedNumberFormat *r = new RuleBasedNumberFormat(desiredRulesType,nsLoc,status);
if (U_FAILURE(status) || r == NULL) {
goto cleanup;
}
r->setDefaultRuleSet(nsRuleSetName,status);
f = (NumberFormat *) r;
} else {
// replace single currency sign in the pattern with double currency sign
// if the style is kIsoCurrencyStyle
if (style == kIsoCurrencyStyle) {
pattern.findAndReplace(gSingleCurrencySign, gDoubleCurrencySign);
}
f = new DecimalFormat(pattern, symbolsToAdopt, style, status);
if (U_FAILURE(status) || f == NULL) {
goto cleanup;
}
deleteSymbols = FALSE;
}
f->setLocaleIDs(ures_getLocaleByType(numberPatterns, ULOC_VALID_LOCALE, &status),
ures_getLocaleByType(numberPatterns, ULOC_ACTUAL_LOCALE, &status));
cleanup:
ures_close(numberPatterns);
ures_close(resource);
if (deleteNS && ns) {
delete ns;
}
if (U_FAILURE(status)) {
/* If f exists, then it will delete the symbols */
if (f==NULL) {
delete symbolsToAdopt;
}
else {
delete f;
}
return NULL;
}
if (f == NULL || symbolsToAdopt == NULL) {
status = U_MEMORY_ALLOCATION_ERROR;
f = NULL;
}
if (deleteSymbols && symbolsToAdopt != NULL) {
delete symbolsToAdopt;
}
return f;
}
NumberFormat*
NumberFormat::makeInstance(const Locale& desiredLocale,
UNumberFormatStyle style,
UBool mustBeDecimalFormat,
UErrorCode& status) {
if (U_FAILURE(status)) return NULL;
if (style < 0 || style >= UNUM_FORMAT_STYLE_COUNT) {
status = U_ILLEGAL_ARGUMENT_ERROR;
return NULL;
}
// Some styles are not supported. This is a result of merging
// the @draft ICU 4.2 NumberFormat::EStyles into the long-existing UNumberFormatStyle.
// Ticket #8503 is for reviewing/fixing/merging the two relevant implementations:
// this one and unum_open().
// The UNUM_PATTERN_ styles are not supported here
// because this method does not take a pattern string.
if (!isStyleSupported(style)) {
status = U_UNSUPPORTED_ERROR;
return NULL;
}
#if U_PLATFORM_USES_ONLY_WIN32_API
if (!mustBeDecimalFormat) {
char buffer[8];
int32_t count = desiredLocale.getKeywordValue("compat", buffer, sizeof(buffer), status);
// if the locale has "@compat=host", create a host-specific NumberFormat
if (U_SUCCESS(status) && count > 0 && uprv_strcmp(buffer, "host") == 0) {
Win32NumberFormat *f = NULL;
UBool curr = TRUE;
switch (style) {
case UNUM_DECIMAL:
curr = FALSE;
// fall-through
case UNUM_CURRENCY:
case UNUM_CURRENCY_ISO: // do not support plural formatting here
case UNUM_CURRENCY_PLURAL:
f = new Win32NumberFormat(desiredLocale, curr, status);
if (U_SUCCESS(status)) {
return f;
}
delete f;
break;
default:
break;
}
}
}
#endif
// Use numbering system cache hashtable
umtx_initOnce(gNSCacheInitOnce, &nscacheInit);
// Get cached numbering system
LocalPointer<NumberingSystem> ownedNs;
NumberingSystem *ns = NULL;
if (NumberingSystem_cache != NULL) {
// TODO: Bad hash key usage, see ticket #8504.
int32_t hashKey = desiredLocale.hashCode();
Mutex lock(&nscacheMutex);
ns = (NumberingSystem *)uhash_iget(NumberingSystem_cache, hashKey);
if (ns == NULL) {
ns = NumberingSystem::createInstance(desiredLocale,status);
uhash_iput(NumberingSystem_cache, hashKey, (void*)ns, &status);
}
} else {
ownedNs.adoptInstead(NumberingSystem::createInstance(desiredLocale,status));
ns = ownedNs.getAlias();
}
// check results of getting a numbering system
if (U_FAILURE(status)) {
return NULL;
}
if (mustBeDecimalFormat && ns->isAlgorithmic()) {
status = U_UNSUPPORTED_ERROR;
return NULL;
}
LocalPointer<DecimalFormatSymbols> symbolsToAdopt;
UnicodeString pattern;
LocalUResourceBundlePointer ownedResource(ures_open(NULL, desiredLocale.getName(), &status));
if (U_FAILURE(status)) {
// We don't appear to have resource data available -- use the last-resort data
status = U_USING_FALLBACK_WARNING;
// When the data is unavailable, and locale isn't passed in, last resort data is used.
symbolsToAdopt.adoptInstead(new DecimalFormatSymbols(status));
if (symbolsToAdopt.isNull()) {
status = U_MEMORY_ALLOCATION_ERROR;
return NULL;
}
// Creates a DecimalFormat instance with the last resort number patterns.
pattern.setTo(TRUE, gLastResortNumberPatterns[style], -1);
}
else {
// Loads the decimal symbols of the desired locale.
symbolsToAdopt.adoptInstead(new DecimalFormatSymbols(desiredLocale, status));
if (symbolsToAdopt.isNull()) {
status = U_MEMORY_ALLOCATION_ERROR;
return NULL;
}
UResourceBundle *resource = ownedResource.orphan();
UResourceBundle *numElements = ures_getByKeyWithFallback(resource, gNumberElements, NULL, &status);
resource = ures_getByKeyWithFallback(numElements, ns->getName(), resource, &status);
resource = ures_getByKeyWithFallback(resource, gPatterns, resource, &status);
ownedResource.adoptInstead(resource);
int32_t patLen = 0;
const UChar *patResStr = ures_getStringByKeyWithFallback(resource, gFormatKeys[style], &patLen, &status);
// Didn't find a pattern specific to the numbering system, so fall back to "latn"
if ( status == U_MISSING_RESOURCE_ERROR && uprv_strcmp(gLatn,ns->getName())) {
status = U_ZERO_ERROR;
resource = ures_getByKeyWithFallback(numElements, gLatn, resource, &status);
resource = ures_getByKeyWithFallback(resource, gPatterns, resource, &status);
patResStr = ures_getStringByKeyWithFallback(resource, gFormatKeys[style], &patLen, &status);
}
ures_close(numElements);
// Creates the specified decimal format style of the desired locale.
pattern.setTo(TRUE, patResStr, patLen);
}
if (U_FAILURE(status)) {
return NULL;
}
if(style==UNUM_CURRENCY || style == UNUM_CURRENCY_ISO){
const UChar* currPattern = symbolsToAdopt->getCurrencyPattern();
if(currPattern!=NULL){
pattern.setTo(currPattern, u_strlen(currPattern));
}
}
NumberFormat *f;
if (ns->isAlgorithmic()) {
UnicodeString nsDesc;
UnicodeString nsRuleSetGroup;
UnicodeString nsRuleSetName;
Locale nsLoc;
URBNFRuleSetTag desiredRulesType = URBNF_NUMBERING_SYSTEM;
nsDesc.setTo(ns->getDescription());
int32_t firstSlash = nsDesc.indexOf(gSlash);
int32_t lastSlash = nsDesc.lastIndexOf(gSlash);
if ( lastSlash > firstSlash ) {
CharString nsLocID;
nsLocID.appendInvariantChars(nsDesc.tempSubString(0, firstSlash), status);
nsRuleSetGroup.setTo(nsDesc,firstSlash+1,lastSlash-firstSlash-1);
nsRuleSetName.setTo(nsDesc,lastSlash+1);
nsLoc = Locale::createFromName(nsLocID.data());
UnicodeString SpelloutRules = UNICODE_STRING_SIMPLE("SpelloutRules");
if ( nsRuleSetGroup.compare(SpelloutRules) == 0 ) {
desiredRulesType = URBNF_SPELLOUT;
}
} else {
nsLoc = desiredLocale;
nsRuleSetName.setTo(nsDesc);
}
RuleBasedNumberFormat *r = new RuleBasedNumberFormat(desiredRulesType,nsLoc,status);
if (r == NULL) {
status = U_MEMORY_ALLOCATION_ERROR;
return NULL;
}
r->setDefaultRuleSet(nsRuleSetName,status);
f = r;
} else {
// replace single currency sign in the pattern with double currency sign
// if the style is UNUM_CURRENCY_ISO
if (style == UNUM_CURRENCY_ISO) {
pattern.findAndReplace(UnicodeString(TRUE, gSingleCurrencySign, 1),
UnicodeString(TRUE, gDoubleCurrencySign, 2));
}
// "new DecimalFormat()" does not adopt the symbols if its memory allocation fails.
DecimalFormatSymbols *syms = symbolsToAdopt.orphan();
f = new DecimalFormat(pattern, syms, style, status);
if (f == NULL) {
delete syms;
status = U_MEMORY_ALLOCATION_ERROR;
return NULL;
}
}
f->setLocaleIDs(ures_getLocaleByType(ownedResource.getAlias(), ULOC_VALID_LOCALE, &status),
ures_getLocaleByType(ownedResource.getAlias(), ULOC_ACTUAL_LOCALE, &status));
if (U_FAILURE(status)) {
delete f;
return NULL;
}
return f;
}