/* ******************************************************************************* * Copyright (C) 1997-2010, International Business Machines Corporation and * * others. All Rights Reserved. * ******************************************************************************* * * File NUMFMT.CPP * * Modification History: * * Date Name Description * 02/19/97 aliu Converted from java. * 03/18/97 clhuang Implemented with C++ APIs. * 04/17/97 aliu Enlarged MAX_INTEGER_DIGITS to fully accomodate the * largest double, by default. * Changed DigitCount to int per code review. * 07/20/98 stephen Changed operator== to check for grouping * Changed setMaxIntegerDigits per Java implementation. * Changed setMinIntegerDigits per Java implementation. * Changed setMinFractionDigits per Java implementation. * Changed setMaxFractionDigits per Java implementation. ******************************************************************************** */ #include "unicode/utypes.h" #if !UCONFIG_NO_FORMATTING #include "unicode/numfmt.h" #include "unicode/locid.h" #include "unicode/dcfmtsym.h" #include "unicode/decimfmt.h" #include "unicode/ustring.h" #include "unicode/ucurr.h" #include "unicode/curramt.h" #include "unicode/numsys.h" #include "unicode/rbnf.h" #include "winnmfmt.h" #include "uresimp.h" #include "uhash.h" #include "cmemory.h" #include "servloc.h" #include "ucln_in.h" #include "cstring.h" #include "putilimp.h" #include "umutex.h" #include "digitlst.h" #include //#define FMT_DEBUG #ifdef FMT_DEBUG #include static void debugout(UnicodeString s) { char buf[2000]; s.extract((int32_t) 0, s.length(), buf); printf("%s", buf); } #define debug(x) printf("%s", x); #else #define debugout(x) #define debug(x) #endif // If no number pattern can be located for a locale, this is the last // resort. static const UChar gLastResortDecimalPat[] = { 0x23, 0x30, 0x2E, 0x23, 0x23, 0x23, 0x3B, 0x2D, 0x23, 0x30, 0x2E, 0x23, 0x23, 0x23, 0 /* "#0.###;-#0.###" */ }; static const UChar gLastResortCurrencyPat[] = { 0x24, 0x23, 0x30, 0x2E, 0x30, 0x30, 0x3B, 0x28, 0x24, 0x23, 0x30, 0x2E, 0x30, 0x30, 0x29, 0 /* "$#0.00;($#0.00)" */ }; static const UChar gLastResortPercentPat[] = { 0x23, 0x30, 0x25, 0 /* "#0%" */ }; static const UChar gLastResortScientificPat[] = { 0x23, 0x45, 0x30, 0 /* "#E0" */ }; static const UChar gLastResortIsoCurrencyPat[] = { 0xA4, 0xA4, 0x23, 0x30, 0x2E, 0x30, 0x30, 0x3B, 0x28, 0xA4, 0xA4, 0x23, 0x30, 0x2E, 0x30, 0x30, 0x29, 0 /* "\u00A4\u00A4#0.00;(\u00A4\u00A4#0.00)" */ }; static const UChar gLastResortPluralCurrencyPat[] = { 0x23, 0x30, 0x2E, 0x30, 0x30, 0xA0, 0xA4, 0xA4, 0xA4, 0 /* "#0.00\u00A0\u00A4\u00A4\u00A4*/ }; static const UChar gSingleCurrencySign[] = {0xA4, 0}; static const UChar gDoubleCurrencySign[] = {0xA4, 0xA4, 0}; static const UChar gSlash = 0x2f; // If the maximum base 10 exponent were 4, then the largest number would // be 99,999 which has 5 digits. // On IEEE754 systems gMaxIntegerDigits is 308 + possible denormalized 15 digits + rounding digit static const int32_t gMaxIntegerDigits = DBL_MAX_10_EXP + DBL_DIG + 1; static const int32_t gMinIntegerDigits = 127; static const UChar * const gLastResortNumberPatterns[] = { gLastResortDecimalPat, gLastResortCurrencyPat, gLastResortPercentPat, gLastResortScientificPat, gLastResortIsoCurrencyPat, gLastResortPluralCurrencyPat, }; // Keys used for accessing resource bundles static const char *gNumberElements = "NumberElements"; static const char *gLatn = "latn"; static const char *gPatterns = "patterns"; static const char *gFormatKeys[] = { "decimalFormat", "currencyFormat", "percentFormat", "scientificFormat" }; // Static hashtable cache of NumberingSystem objects used by NumberFormat static UHashtable * NumberingSystem_cache = NULL; static UMTX nscacheMutex = NULL; #if !UCONFIG_NO_SERVICE static U_NAMESPACE_QUALIFIER ICULocaleService* gService = NULL; #endif /** * Release all static memory held by Number Format. */ U_CDECL_BEGIN static void U_CALLCONV deleteNumberingSystem(void *obj) { delete (U_NAMESPACE_QUALIFIER NumberingSystem *)obj; } static UBool U_CALLCONV numfmt_cleanup(void) { #if !UCONFIG_NO_SERVICE if (gService) { delete gService; gService = NULL; } #endif if (NumberingSystem_cache) { // delete NumberingSystem_cache; uhash_close(NumberingSystem_cache); NumberingSystem_cache = NULL; } return TRUE; } U_CDECL_END // ***************************************************************************** // class NumberFormat // ***************************************************************************** U_NAMESPACE_BEGIN UOBJECT_DEFINE_ABSTRACT_RTTI_IMPLEMENTATION(NumberFormat) #if !UCONFIG_NO_SERVICE // ------------------------------------- // SimpleNumberFormatFactory implementation NumberFormatFactory::~NumberFormatFactory() {} SimpleNumberFormatFactory::SimpleNumberFormatFactory(const Locale& locale, UBool visible) : _visible(visible) { LocaleUtility::initNameFromLocale(locale, _id); } SimpleNumberFormatFactory::~SimpleNumberFormatFactory() {} UBool SimpleNumberFormatFactory::visible(void) const { return _visible; } const UnicodeString * SimpleNumberFormatFactory::getSupportedIDs(int32_t &count, UErrorCode& status) const { if (U_SUCCESS(status)) { count = 1; return &_id; } count = 0; return NULL; } #endif /* #if !UCONFIG_NO_SERVICE */ // ------------------------------------- // default constructor NumberFormat::NumberFormat() : fGroupingUsed(TRUE), fMaxIntegerDigits(gMaxIntegerDigits), fMinIntegerDigits(1), fMaxFractionDigits(3), // invariant, >= minFractionDigits fMinFractionDigits(0), fParseIntegerOnly(FALSE) { fCurrency[0] = 0; } // ------------------------------------- NumberFormat::~NumberFormat() { } // ------------------------------------- // copy constructor NumberFormat::NumberFormat(const NumberFormat &source) : Format(source) { *this = source; } // ------------------------------------- // assignment operator NumberFormat& NumberFormat::operator=(const NumberFormat& rhs) { if (this != &rhs) { Format::operator=(rhs); fGroupingUsed = rhs.fGroupingUsed; fMaxIntegerDigits = rhs.fMaxIntegerDigits; fMinIntegerDigits = rhs.fMinIntegerDigits; fMaxFractionDigits = rhs.fMaxFractionDigits; fMinFractionDigits = rhs.fMinFractionDigits; fParseIntegerOnly = rhs.fParseIntegerOnly; u_strncpy(fCurrency, rhs.fCurrency, 4); } return *this; } // ------------------------------------- UBool NumberFormat::operator==(const Format& that) const { // Format::operator== guarantees this cast is safe NumberFormat* other = (NumberFormat*)&that; #ifdef FMT_DEBUG // This code makes it easy to determine why two format objects that should // be equal aren't. UBool first = TRUE; if (!Format::operator==(that)) { if (first) { printf("[ "); first = FALSE; } else { printf(", "); } debug("Format::!="); } if (!(fMaxIntegerDigits == other->fMaxIntegerDigits && fMinIntegerDigits == other->fMinIntegerDigits)) { if (first) { printf("[ "); first = FALSE; } else { printf(", "); } debug("Integer digits !="); } if (!(fMaxFractionDigits == other->fMaxFractionDigits && fMinFractionDigits == other->fMinFractionDigits)) { if (first) { printf("[ "); first = FALSE; } else { printf(", "); } debug("Fraction digits !="); } if (!(fGroupingUsed == other->fGroupingUsed)) { if (first) { printf("[ "); first = FALSE; } else { printf(", "); } debug("fGroupingUsed != "); } if (!(fParseIntegerOnly == other->fParseIntegerOnly)) { if (first) { printf("[ "); first = FALSE; } else { printf(", "); } debug("fParseIntegerOnly != "); } if (!(u_strcmp(fCurrency, other->fCurrency) == 0)) { if (first) { printf("[ "); first = FALSE; } else { printf(", "); } debug("fCurrency !="); } if (!first) { printf(" ]"); } #endif return ((this == &that) || ((Format::operator==(that) && fMaxIntegerDigits == other->fMaxIntegerDigits && fMinIntegerDigits == other->fMinIntegerDigits && fMaxFractionDigits == other->fMaxFractionDigits && fMinFractionDigits == other->fMinFractionDigits && fGroupingUsed == other->fGroupingUsed && fParseIntegerOnly == other->fParseIntegerOnly && u_strcmp(fCurrency, other->fCurrency) == 0))); } // ------------------------------------- // Default implementation sets unsupported error; subclasses should // override. UnicodeString& NumberFormat::format(double /* unused number */, UnicodeString& toAppendTo, FieldPositionIterator* /* unused posIter */, UErrorCode& status) const { if (!U_FAILURE(status)) { status = U_UNSUPPORTED_ERROR; } return toAppendTo; } // ------------------------------------- // Default implementation sets unsupported error; subclasses should // override. UnicodeString& NumberFormat::format(int32_t /* unused number */, UnicodeString& toAppendTo, FieldPositionIterator* /* unused posIter */, UErrorCode& status) const { if (!U_FAILURE(status)) { status = U_UNSUPPORTED_ERROR; } return toAppendTo; } // ------------------------------------- // Default implementation sets unsupported error; subclasses should // override. UnicodeString& NumberFormat::format(int64_t /* unused number */, UnicodeString& toAppendTo, FieldPositionIterator* /* unused posIter */, UErrorCode& status) const { if (!U_FAILURE(status)) { status = U_UNSUPPORTED_ERROR; } return toAppendTo; } // ------------------------------------- // Decimal Number format() default implementation // Subclasses do not normally override this function, but rather the DigitList // formatting functions.. // The expected call chain from here is // this function -> // NumberFormat::format(Formattable -> // DecimalFormat::format(DigitList // // Or, for subclasses of Formattable that do not know about DigitList, // this Function -> // NumberFormat::format(Formattable -> // NumberFormat::format(DigitList -> // XXXFormat::format(double UnicodeString& NumberFormat::format(const StringPiece &decimalNum, UnicodeString& toAppendTo, FieldPositionIterator* fpi, UErrorCode& status) const { Formattable f; f.setDecimalNumber(decimalNum, status); format(f, toAppendTo, fpi, status); return toAppendTo; } // ------------------------------------- // Formats the number object and save the format // result in the toAppendTo string buffer. // utility to save/restore state, used in two overloads // of format(const Formattable&...) below. class ArgExtractor { NumberFormat *ncnf; const Formattable* num; UBool setCurr; UChar save[4]; public: ArgExtractor(const NumberFormat& nf, const Formattable& obj, UErrorCode& status); ~ArgExtractor(); const Formattable* number(void) const; }; inline const Formattable* ArgExtractor::number(void) const { return num; } ArgExtractor::ArgExtractor(const NumberFormat& nf, const Formattable& obj, UErrorCode& status) : ncnf((NumberFormat*) &nf), num(&obj), setCurr(FALSE) { const UObject* o = obj.getObject(); // most commonly o==NULL const CurrencyAmount* amt; if (o != NULL && (amt = dynamic_cast(o)) != NULL) { // getISOCurrency() returns a pointer to internal storage, so we // copy it to retain it across the call to setCurrency(). const UChar* curr = amt->getISOCurrency(); u_strcpy(save, nf.getCurrency()); setCurr = (u_strcmp(curr, save) != 0); if (setCurr) { ncnf->setCurrency(curr, status); } num = &amt->getNumber(); } } ArgExtractor::~ArgExtractor() { if (setCurr) { UErrorCode ok = U_ZERO_ERROR; ncnf->setCurrency(save, ok); // always restore currency } } UnicodeString& NumberFormat::format(const DigitList &number, UnicodeString& appendTo, FieldPositionIterator* posIter, UErrorCode& status) const { // DecimalFormat overrides this function, and handles DigitList based big decimals. // Other subclasses (ChoiceFormat, RuleBasedNumberFormat) do not (yet) handle DigitLists, // so this default implementation falls back to formatting decimal numbers as doubles. if (U_FAILURE(status)) { return appendTo; } double dnum = number.getDouble(); format(dnum, appendTo, posIter, status); return appendTo; } UnicodeString& NumberFormat::format(const DigitList &number, UnicodeString& appendTo, FieldPosition& pos, UErrorCode &status) const { // DecimalFormat overrides this function, and handles DigitList based big decimals. // Other subclasses (ChoiceFormat, RuleBasedNumberFormat) do not (yet) handle DigitLists, // so this default implementation falls back to formatting decimal numbers as doubles. if (U_FAILURE(status)) { return appendTo; } double dnum = number.getDouble(); format(dnum, appendTo, pos, status); return appendTo; } UnicodeString& NumberFormat::format(const Formattable& obj, UnicodeString& appendTo, FieldPosition& pos, UErrorCode& status) const { if (U_FAILURE(status)) return appendTo; ArgExtractor arg(*this, obj, status); const Formattable *n = arg.number(); if (n->isNumeric() && n->getDigitList() != NULL) { // Decimal Number. We will have a DigitList available if the value was // set to a decimal number, or if the value originated with a parse. // // The default implementation for formatting a DigitList converts it // to a double, and formats that, allowing formatting classes that don't // know about DigitList to continue to operate as they had. // // DecimalFormat overrides the DigitList formatting functions. format(*n->getDigitList(), appendTo, pos, status); } else { switch (n->getType()) { case Formattable::kDouble: format(n->getDouble(), appendTo, pos); break; case Formattable::kLong: format(n->getLong(), appendTo, pos); break; case Formattable::kInt64: format(n->getInt64(), appendTo, pos); break; default: status = U_INVALID_FORMAT_ERROR; break; } } return appendTo; } // -------------------------------------x // Formats the number object and save the format // result in the toAppendTo string buffer. UnicodeString& NumberFormat::format(const Formattable& obj, UnicodeString& appendTo, FieldPositionIterator* posIter, UErrorCode& status) const { if (U_FAILURE(status)) return appendTo; ArgExtractor arg(*this, obj, status); const Formattable *n = arg.number(); if (n->isNumeric() && n->getDigitList() != NULL) { // Decimal Number format(*n->getDigitList(), appendTo, posIter, status); } else { switch (n->getType()) { case Formattable::kDouble: format(n->getDouble(), appendTo, posIter, status); break; case Formattable::kLong: format(n->getLong(), appendTo, posIter, status); break; case Formattable::kInt64: format(n->getInt64(), appendTo, posIter, status); break; default: status = U_INVALID_FORMAT_ERROR; break; } } return appendTo; } // ------------------------------------- UnicodeString& NumberFormat::format(int64_t number, UnicodeString& appendTo, FieldPosition& pos) const { // default so we don't introduce a new abstract method return format((int32_t)number, appendTo, pos); } // ------------------------------------- // Parses the string and save the result object as well // as the final parsed position. void NumberFormat::parseObject(const UnicodeString& source, Formattable& result, ParsePosition& parse_pos) const { parse(source, result, parse_pos); } // ------------------------------------- // Formats a double number and save the result in a string. UnicodeString& NumberFormat::format(double number, UnicodeString& appendTo) const { FieldPosition pos(0); return format(number, appendTo, pos); } // ------------------------------------- // Formats a long number and save the result in a string. UnicodeString& NumberFormat::format(int32_t number, UnicodeString& appendTo) const { FieldPosition pos(0); return format(number, appendTo, pos); } // ------------------------------------- // Formats a long number and save the result in a string. UnicodeString& NumberFormat::format(int64_t number, UnicodeString& appendTo) const { FieldPosition pos(0); return format(number, appendTo, pos); } // ------------------------------------- // Parses the text and save the result object. If the returned // parse position is 0, that means the parsing failed, the status // code needs to be set to failure. Ignores the returned parse // position, otherwise. void NumberFormat::parse(const UnicodeString& text, Formattable& result, UErrorCode& status) const { if (U_FAILURE(status)) return; ParsePosition parsePosition(0); parse(text, result, parsePosition); if (parsePosition.getIndex() == 0) { status = U_INVALID_FORMAT_ERROR; } } Formattable& NumberFormat::parseCurrency(const UnicodeString& text, Formattable& result, ParsePosition& pos) const { // Default implementation only -- subclasses should override int32_t start = pos.getIndex(); parse(text, result, pos); if (pos.getIndex() != start) { UChar curr[4]; UErrorCode ec = U_ZERO_ERROR; getEffectiveCurrency(curr, ec); if (U_SUCCESS(ec)) { Formattable n(result); CurrencyAmount *tempCurAmnt = new CurrencyAmount(n, curr, ec); // Use for null testing. if (U_FAILURE(ec) || tempCurAmnt == NULL) { pos.setIndex(start); // indicate failure } else { result.adoptObject(tempCurAmnt); } } } return result; } // ------------------------------------- // Sets to only parse integers. void NumberFormat::setParseIntegerOnly(UBool value) { fParseIntegerOnly = value; } // ------------------------------------- // Create a number style NumberFormat instance with the default locale. NumberFormat* U_EXPORT2 NumberFormat::createInstance(UErrorCode& status) { return createInstance(Locale::getDefault(), kNumberStyle, status); } // ------------------------------------- // Create a number style NumberFormat instance with the inLocale locale. NumberFormat* U_EXPORT2 NumberFormat::createInstance(const Locale& inLocale, UErrorCode& status) { return createInstance(inLocale, kNumberStyle, status); } // ------------------------------------- // Create a currency style NumberFormat instance with the default locale. NumberFormat* U_EXPORT2 NumberFormat::createCurrencyInstance(UErrorCode& status) { return createCurrencyInstance(Locale::getDefault(), status); } // ------------------------------------- // Create a currency style NumberFormat instance with the inLocale locale. NumberFormat* U_EXPORT2 NumberFormat::createCurrencyInstance(const Locale& inLocale, UErrorCode& status) { return createInstance(inLocale, kCurrencyStyle, status); } // ------------------------------------- // Create a percent style NumberFormat instance with the default locale. NumberFormat* U_EXPORT2 NumberFormat::createPercentInstance(UErrorCode& status) { return createInstance(Locale::getDefault(), kPercentStyle, status); } // ------------------------------------- // Create a percent style NumberFormat instance with the inLocale locale. NumberFormat* U_EXPORT2 NumberFormat::createPercentInstance(const Locale& inLocale, UErrorCode& status) { return createInstance(inLocale, kPercentStyle, status); } // ------------------------------------- // Create a scientific style NumberFormat instance with the default locale. NumberFormat* U_EXPORT2 NumberFormat::createScientificInstance(UErrorCode& status) { return createInstance(Locale::getDefault(), kScientificStyle, status); } // ------------------------------------- // Create a scientific style NumberFormat instance with the inLocale locale. NumberFormat* U_EXPORT2 NumberFormat::createScientificInstance(const Locale& inLocale, UErrorCode& status) { return createInstance(inLocale, kScientificStyle, status); } // ------------------------------------- const Locale* U_EXPORT2 NumberFormat::getAvailableLocales(int32_t& count) { return Locale::getAvailableLocales(count); } // ------------------------------------------ // // Registration // //------------------------------------------- #if !UCONFIG_NO_SERVICE // ------------------------------------- class ICUNumberFormatFactory : public ICUResourceBundleFactory { protected: virtual UObject* handleCreate(const Locale& loc, int32_t kind, const ICUService* /* service */, UErrorCode& status) const { // !!! kind is not an EStyles, need to determine how to handle this return NumberFormat::makeInstance(loc, (NumberFormat::EStyles)kind, status); } }; // ------------------------------------- class NFFactory : public LocaleKeyFactory { private: NumberFormatFactory* _delegate; Hashtable* _ids; public: NFFactory(NumberFormatFactory* delegate) : LocaleKeyFactory(delegate->visible() ? VISIBLE : INVISIBLE) , _delegate(delegate) , _ids(NULL) { } virtual ~NFFactory() { delete _delegate; delete _ids; } virtual UObject* create(const ICUServiceKey& key, const ICUService* service, UErrorCode& status) const { if (handlesKey(key, status)) { const LocaleKey& lkey = (const LocaleKey&)key; Locale loc; lkey.canonicalLocale(loc); int32_t kind = lkey.kind(); UObject* result = _delegate->createFormat(loc, (UNumberFormatStyle)(kind+1)); if (result == NULL) { result = service->getKey((ICUServiceKey&)key /* cast away const */, NULL, this, status); } return result; } return NULL; } protected: /** * Return the set of ids that this factory supports (visible or * otherwise). This can be called often and might need to be * cached if it is expensive to create. */ virtual const Hashtable* getSupportedIDs(UErrorCode& status) const { if (U_SUCCESS(status)) { if (!_ids) { int32_t count = 0; const UnicodeString * const idlist = _delegate->getSupportedIDs(count, status); ((NFFactory*)this)->_ids = new Hashtable(status); /* cast away const */ if (_ids) { for (int i = 0; i < count; ++i) { _ids->put(idlist[i], (void*)this, status); } } } return _ids; } return NULL; } }; class ICUNumberFormatService : public ICULocaleService { public: ICUNumberFormatService() : ICULocaleService(UNICODE_STRING_SIMPLE("Number Format")) { UErrorCode status = U_ZERO_ERROR; registerFactory(new ICUNumberFormatFactory(), status); } virtual UObject* cloneInstance(UObject* instance) const { return ((NumberFormat*)instance)->clone(); } virtual UObject* handleDefault(const ICUServiceKey& key, UnicodeString* /* actualID */, UErrorCode& status) const { LocaleKey& lkey = (LocaleKey&)key; int32_t kind = lkey.kind(); Locale loc; lkey.currentLocale(loc); return NumberFormat::makeInstance(loc, (NumberFormat::EStyles)kind, status); } virtual UBool isDefault() const { return countFactories() == 1; } }; // ------------------------------------- static ICULocaleService* getNumberFormatService(void) { UBool needInit; UMTX_CHECK(NULL, (UBool)(gService == NULL), needInit); if (needInit) { ICULocaleService * newservice = new ICUNumberFormatService(); if (newservice) { umtx_lock(NULL); if (gService == NULL) { gService = newservice; newservice = NULL; } umtx_unlock(NULL); } if (newservice) { delete newservice; } else { // we won the contention, this thread can register cleanup. ucln_i18n_registerCleanup(UCLN_I18N_NUMFMT, numfmt_cleanup); } } return gService; } // ------------------------------------- URegistryKey U_EXPORT2 NumberFormat::registerFactory(NumberFormatFactory* toAdopt, UErrorCode& status) { ICULocaleService *service = getNumberFormatService(); if (service) { NFFactory *tempnnf = new NFFactory(toAdopt); if (tempnnf != NULL) { return service->registerFactory(tempnnf, status); } } status = U_MEMORY_ALLOCATION_ERROR; return NULL; } // ------------------------------------- UBool U_EXPORT2 NumberFormat::unregister(URegistryKey key, UErrorCode& status) { if (U_SUCCESS(status)) { UBool haveService; UMTX_CHECK(NULL, gService != NULL, haveService); if (haveService) { return gService->unregister(key, status); } status = U_ILLEGAL_ARGUMENT_ERROR; } return FALSE; } // ------------------------------------- StringEnumeration* U_EXPORT2 NumberFormat::getAvailableLocales(void) { ICULocaleService *service = getNumberFormatService(); if (service) { return service->getAvailableLocales(); } return NULL; // no way to return error condition } #endif /* UCONFIG_NO_SERVICE */ // ------------------------------------- NumberFormat* U_EXPORT2 NumberFormat::createInstance(const Locale& loc, EStyles kind, UErrorCode& status) { #if !UCONFIG_NO_SERVICE UBool haveService; UMTX_CHECK(NULL, gService != NULL, haveService); if (haveService) { return (NumberFormat*)gService->get(loc, kind, status); } else #endif { return makeInstance(loc, kind, status); } } // ------------------------------------- // Checks if the thousand/10 thousand grouping is used in the // NumberFormat instance. UBool NumberFormat::isGroupingUsed() const { return fGroupingUsed; } // ------------------------------------- // Sets to use the thousand/10 thousand grouping in the // NumberFormat instance. void NumberFormat::setGroupingUsed(UBool newValue) { fGroupingUsed = newValue; } // ------------------------------------- // Gets the maximum number of digits for the integral part for // this NumberFormat instance. int32_t NumberFormat::getMaximumIntegerDigits() const { return fMaxIntegerDigits; } // ------------------------------------- // Sets the maximum number of digits for the integral part for // this NumberFormat instance. void NumberFormat::setMaximumIntegerDigits(int32_t newValue) { fMaxIntegerDigits = uprv_max(0, uprv_min(newValue, gMaxIntegerDigits)); if(fMinIntegerDigits > fMaxIntegerDigits) fMinIntegerDigits = fMaxIntegerDigits; } // ------------------------------------- // Gets the minimum number of digits for the integral part for // this NumberFormat instance. int32_t NumberFormat::getMinimumIntegerDigits() const { return fMinIntegerDigits; } // ------------------------------------- // Sets the minimum number of digits for the integral part for // this NumberFormat instance. void NumberFormat::setMinimumIntegerDigits(int32_t newValue) { fMinIntegerDigits = uprv_max(0, uprv_min(newValue, gMinIntegerDigits)); if(fMinIntegerDigits > fMaxIntegerDigits) fMaxIntegerDigits = fMinIntegerDigits; } // ------------------------------------- // Gets the maximum number of digits for the fractional part for // this NumberFormat instance. int32_t NumberFormat::getMaximumFractionDigits() const { return fMaxFractionDigits; } // ------------------------------------- // Sets the maximum number of digits for the fractional part for // this NumberFormat instance. void NumberFormat::setMaximumFractionDigits(int32_t newValue) { fMaxFractionDigits = uprv_max(0, uprv_min(newValue, gMaxIntegerDigits)); if(fMaxFractionDigits < fMinFractionDigits) fMinFractionDigits = fMaxFractionDigits; } // ------------------------------------- // Gets the minimum number of digits for the fractional part for // this NumberFormat instance. int32_t NumberFormat::getMinimumFractionDigits() const { return fMinFractionDigits; } // ------------------------------------- // Sets the minimum number of digits for the fractional part for // this NumberFormat instance. void NumberFormat::setMinimumFractionDigits(int32_t newValue) { fMinFractionDigits = uprv_max(0, uprv_min(newValue, gMinIntegerDigits)); if (fMaxFractionDigits < fMinFractionDigits) fMaxFractionDigits = fMinFractionDigits; } // ------------------------------------- void NumberFormat::setCurrency(const UChar* theCurrency, UErrorCode& ec) { if (U_FAILURE(ec)) { return; } if (theCurrency) { u_strncpy(fCurrency, theCurrency, 3); fCurrency[3] = 0; } else { fCurrency[0] = 0; } } const UChar* NumberFormat::getCurrency() const { return fCurrency; } void NumberFormat::getEffectiveCurrency(UChar* result, UErrorCode& ec) const { const UChar* c = getCurrency(); if (*c != 0) { u_strncpy(result, c, 3); result[3] = 0; } else { const char* loc = getLocaleID(ULOC_VALID_LOCALE, ec); if (loc == NULL) { loc = uloc_getDefault(); } ucurr_forLocale(loc, result, 4, &ec); } } // ------------------------------------- // Creates the NumberFormat instance of the specified style (number, currency, // or percent) for the desired locale. 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(NULL, desiredLocale.getName(), &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 { // 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); resource = ures_getByKeyWithFallback(resource, gNumberElements, resource, &status); // TODO : Get patterns on a per numbering system basis, for right now assumes "latn" for patterns resource = ures_getByKeyWithFallback(resource, gLatn, resource, &status); resource = ures_getByKeyWithFallback(resource, gPatterns, resource, &status); const UChar *patResStr = ures_getStringByKeyWithFallback(resource, gFormatKeys[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(resource, ULOC_VALID_LOCALE, &status), ures_getLocaleByType(resource, ULOC_ACTUAL_LOCALE, &status)); cleanup: 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; } U_NAMESPACE_END #endif /* #if !UCONFIG_NO_FORMATTING */ //eof