| // © 2017 and later: Unicode, Inc. and others. |
| // License & terms of use: http://www.unicode.org/copyright.html |
| |
| #include "unicode/utypes.h" |
| |
| #if !UCONFIG_NO_FORMATTING && !UPRV_INCOMPLETE_CPP11_SUPPORT |
| |
| #include "uassert.h" |
| #include "unicode/numberformatter.h" |
| #include "number_decimalquantity.h" |
| #include "number_formatimpl.h" |
| #include "umutex.h" |
| |
| using namespace icu; |
| using namespace icu::number; |
| using namespace icu::number::impl; |
| |
| template<typename Derived> |
| Derived NumberFormatterSettings<Derived>::notation(const Notation ¬ation) const { |
| Derived copy(*this); |
| // NOTE: Slicing is OK. |
| copy.fMacros.notation = notation; |
| return copy; |
| } |
| |
| template<typename Derived> |
| Derived NumberFormatterSettings<Derived>::unit(const icu::MeasureUnit &unit) const { |
| Derived copy(*this); |
| // NOTE: Slicing occurs here. However, CurrencyUnit can be restored from MeasureUnit. |
| // TimeUnit may be affected, but TimeUnit is not as relevant to number formatting. |
| copy.fMacros.unit = unit; |
| return copy; |
| } |
| |
| template<typename Derived> |
| Derived NumberFormatterSettings<Derived>::adoptUnit(icu::MeasureUnit *unit) const { |
| Derived copy(*this); |
| // Just copy the unit into the MacroProps by value, and delete it since we have ownership. |
| // NOTE: Slicing occurs here. However, CurrencyUnit can be restored from MeasureUnit. |
| // TimeUnit may be affected, but TimeUnit is not as relevant to number formatting. |
| if (unit != nullptr) { |
| // TODO: On nullptr, reset to default value? |
| copy.fMacros.unit = *unit; |
| delete unit; |
| } |
| return copy; |
| } |
| |
| template<typename Derived> |
| Derived NumberFormatterSettings<Derived>::perUnit(const icu::MeasureUnit &perUnit) const { |
| Derived copy(*this); |
| // See comments above about slicing. |
| copy.fMacros.perUnit = perUnit; |
| return copy; |
| } |
| |
| template<typename Derived> |
| Derived NumberFormatterSettings<Derived>::adoptPerUnit(icu::MeasureUnit *perUnit) const { |
| Derived copy(*this); |
| // See comments above about slicing and ownership. |
| if (perUnit != nullptr) { |
| // TODO: On nullptr, reset to default value? |
| copy.fMacros.perUnit = *perUnit; |
| delete perUnit; |
| } |
| return copy; |
| } |
| |
| template<typename Derived> |
| Derived NumberFormatterSettings<Derived>::rounding(const Rounder &rounder) const { |
| Derived copy(*this); |
| // NOTE: Slicing is OK. |
| copy.fMacros.rounder = rounder; |
| return copy; |
| } |
| |
| template<typename Derived> |
| Derived NumberFormatterSettings<Derived>::grouping(const UGroupingStrategy &strategy) const { |
| Derived copy(*this); |
| // NOTE: This is slightly different than how the setting is stored in Java |
| // because we want to put it on the stack. |
| copy.fMacros.grouper = Grouper::forStrategy(strategy); |
| return copy; |
| } |
| |
| template<typename Derived> |
| Derived NumberFormatterSettings<Derived>::integerWidth(const IntegerWidth &style) const { |
| Derived copy(*this); |
| copy.fMacros.integerWidth = style; |
| return copy; |
| } |
| |
| template<typename Derived> |
| Derived NumberFormatterSettings<Derived>::symbols(const DecimalFormatSymbols &symbols) const { |
| Derived copy(*this); |
| copy.fMacros.symbols.setTo(symbols); |
| return copy; |
| } |
| |
| template<typename Derived> |
| Derived NumberFormatterSettings<Derived>::adoptSymbols(NumberingSystem *ns) const { |
| Derived copy(*this); |
| copy.fMacros.symbols.setTo(ns); |
| return copy; |
| } |
| |
| template<typename Derived> |
| Derived NumberFormatterSettings<Derived>::unitWidth(const UNumberUnitWidth &width) const { |
| Derived copy(*this); |
| copy.fMacros.unitWidth = width; |
| return copy; |
| } |
| |
| template<typename Derived> |
| Derived NumberFormatterSettings<Derived>::sign(const UNumberSignDisplay &style) const { |
| Derived copy(*this); |
| copy.fMacros.sign = style; |
| return copy; |
| } |
| |
| template<typename Derived> |
| Derived NumberFormatterSettings<Derived>::decimal(const UNumberDecimalSeparatorDisplay &style) const { |
| Derived copy(*this); |
| copy.fMacros.decimal = style; |
| return copy; |
| } |
| |
| template<typename Derived> |
| Derived NumberFormatterSettings<Derived>::padding(const Padder &padder) const { |
| Derived copy(*this); |
| copy.fMacros.padder = padder; |
| return copy; |
| } |
| |
| template<typename Derived> |
| Derived NumberFormatterSettings<Derived>::threshold(int32_t threshold) const { |
| Derived copy(*this); |
| copy.fMacros.threshold = threshold; |
| return copy; |
| } |
| |
| // Declare all classes that implement NumberFormatterSettings |
| // See https://stackoverflow.com/a/495056/1407170 |
| template |
| class icu::number::NumberFormatterSettings<icu::number::UnlocalizedNumberFormatter>; |
| template |
| class icu::number::NumberFormatterSettings<icu::number::LocalizedNumberFormatter>; |
| |
| |
| UnlocalizedNumberFormatter NumberFormatter::with() { |
| UnlocalizedNumberFormatter result; |
| return result; |
| } |
| |
| LocalizedNumberFormatter NumberFormatter::withLocale(const Locale &locale) { |
| return with().locale(locale); |
| } |
| |
| // Make the child class constructor that takes the parent class call the parent class's copy constructor |
| UnlocalizedNumberFormatter::UnlocalizedNumberFormatter( |
| const NumberFormatterSettings <UnlocalizedNumberFormatter> &other) |
| : NumberFormatterSettings<UnlocalizedNumberFormatter>(other) { |
| } |
| |
| // Make the child class constructor that takes the parent class call the parent class's copy constructor |
| // For LocalizedNumberFormatter, also copy over the extra fields |
| LocalizedNumberFormatter::LocalizedNumberFormatter( |
| const NumberFormatterSettings <LocalizedNumberFormatter> &other) |
| : NumberFormatterSettings<LocalizedNumberFormatter>(other) { |
| // No additional copies required |
| } |
| |
| LocalizedNumberFormatter::LocalizedNumberFormatter(const MacroProps ¯os, const Locale &locale) { |
| fMacros = macros; |
| fMacros.locale = locale; |
| } |
| |
| LocalizedNumberFormatter UnlocalizedNumberFormatter::locale(const Locale &locale) const { |
| return LocalizedNumberFormatter(fMacros, locale); |
| } |
| |
| SymbolsWrapper::SymbolsWrapper(const SymbolsWrapper &other) { |
| doCopyFrom(other); |
| } |
| |
| SymbolsWrapper &SymbolsWrapper::operator=(const SymbolsWrapper &other) { |
| if (this == &other) { |
| return *this; |
| } |
| doCleanup(); |
| doCopyFrom(other); |
| return *this; |
| } |
| |
| SymbolsWrapper::~SymbolsWrapper() { |
| doCleanup(); |
| } |
| |
| void SymbolsWrapper::setTo(const DecimalFormatSymbols &dfs) { |
| doCleanup(); |
| fType = SYMPTR_DFS; |
| fPtr.dfs = new DecimalFormatSymbols(dfs); |
| } |
| |
| void SymbolsWrapper::setTo(const NumberingSystem *ns) { |
| doCleanup(); |
| fType = SYMPTR_NS; |
| fPtr.ns = ns; |
| } |
| |
| void SymbolsWrapper::doCopyFrom(const SymbolsWrapper &other) { |
| fType = other.fType; |
| switch (fType) { |
| case SYMPTR_NONE: |
| // No action necessary |
| break; |
| case SYMPTR_DFS: |
| // Memory allocation failures are exposed in copyErrorTo() |
| if (other.fPtr.dfs != nullptr) { |
| fPtr.dfs = new DecimalFormatSymbols(*other.fPtr.dfs); |
| } else { |
| fPtr.dfs = nullptr; |
| } |
| break; |
| case SYMPTR_NS: |
| // Memory allocation failures are exposed in copyErrorTo() |
| if (other.fPtr.ns != nullptr) { |
| fPtr.ns = new NumberingSystem(*other.fPtr.ns); |
| } else { |
| fPtr.ns = nullptr; |
| } |
| break; |
| } |
| } |
| |
| void SymbolsWrapper::doCleanup() { |
| switch (fType) { |
| case SYMPTR_NONE: |
| // No action necessary |
| break; |
| case SYMPTR_DFS: |
| delete fPtr.dfs; |
| break; |
| case SYMPTR_NS: |
| delete fPtr.ns; |
| break; |
| } |
| } |
| |
| bool SymbolsWrapper::isDecimalFormatSymbols() const { |
| return fType == SYMPTR_DFS; |
| } |
| |
| bool SymbolsWrapper::isNumberingSystem() const { |
| return fType == SYMPTR_NS; |
| } |
| |
| const DecimalFormatSymbols* SymbolsWrapper::getDecimalFormatSymbols() const { |
| U_ASSERT(fType == SYMPTR_DFS); |
| return fPtr.dfs; |
| } |
| |
| const NumberingSystem* SymbolsWrapper::getNumberingSystem() const { |
| U_ASSERT(fType == SYMPTR_NS); |
| return fPtr.ns; |
| } |
| |
| LocalizedNumberFormatter::~LocalizedNumberFormatter() { |
| delete fCompiled; |
| } |
| |
| FormattedNumber LocalizedNumberFormatter::formatInt(int64_t value, UErrorCode &status) const { |
| if (U_FAILURE(status)) { return FormattedNumber(U_ILLEGAL_ARGUMENT_ERROR); } |
| auto results = new NumberFormatterResults(); |
| if (results == nullptr) { |
| status = U_MEMORY_ALLOCATION_ERROR; |
| return FormattedNumber(status); |
| } |
| results->quantity.setToLong(value); |
| return formatImpl(results, status); |
| } |
| |
| FormattedNumber LocalizedNumberFormatter::formatDouble(double value, UErrorCode &status) const { |
| if (U_FAILURE(status)) { return FormattedNumber(U_ILLEGAL_ARGUMENT_ERROR); } |
| auto results = new NumberFormatterResults(); |
| if (results == nullptr) { |
| status = U_MEMORY_ALLOCATION_ERROR; |
| return FormattedNumber(status); |
| } |
| results->quantity.setToDouble(value); |
| return formatImpl(results, status); |
| } |
| |
| FormattedNumber LocalizedNumberFormatter::formatDecimal(StringPiece value, UErrorCode &status) const { |
| if (U_FAILURE(status)) { return FormattedNumber(U_ILLEGAL_ARGUMENT_ERROR); } |
| auto results = new NumberFormatterResults(); |
| if (results == nullptr) { |
| status = U_MEMORY_ALLOCATION_ERROR; |
| return FormattedNumber(status); |
| } |
| results->quantity.setToDecNumber(value); |
| return formatImpl(results, status); |
| } |
| |
| FormattedNumber |
| LocalizedNumberFormatter::formatImpl(impl::NumberFormatterResults *results, UErrorCode &status) const { |
| // fUnsafeCallCount contains memory to be interpreted as an atomic int, most commonly |
| // std::atomic<int32_t>. Since the type of atomic int is platform-dependent, we cast the |
| // bytes in fUnsafeCallCount to u_atomic_int32_t, a typedef for the platform-dependent |
| // atomic int type defined in umutex.h. |
| static_assert(sizeof(u_atomic_int32_t) <= sizeof(fUnsafeCallCount), |
| "Atomic integer size on this platform exceeds the size allocated by fUnsafeCallCount"); |
| u_atomic_int32_t* callCount = reinterpret_cast<u_atomic_int32_t*>( |
| const_cast<LocalizedNumberFormatter*>(this)->fUnsafeCallCount); |
| |
| // A positive value in the atomic int indicates that the data structure is not yet ready; |
| // a negative value indicates that it is ready. If, after the increment, the atomic int |
| // is exactly threshold, then it is the current thread's job to build the data structure. |
| // Note: We set the callCount to INT32_MIN so that if another thread proceeds to increment |
| // the atomic int, the value remains below zero. |
| int32_t currentCount = umtx_loadAcquire(*callCount); |
| if (0 <= currentCount && currentCount <= fMacros.threshold && fMacros.threshold > 0) { |
| currentCount = umtx_atomic_inc(callCount); |
| } |
| |
| if (currentCount == fMacros.threshold && fMacros.threshold > 0) { |
| // Build the data structure and then use it (slow to fast path). |
| const NumberFormatterImpl* compiled = |
| NumberFormatterImpl::fromMacros(fMacros, status); |
| U_ASSERT(fCompiled == nullptr); |
| const_cast<LocalizedNumberFormatter *>(this)->fCompiled = compiled; |
| umtx_storeRelease(*callCount, INT32_MIN); |
| compiled->apply(results->quantity, results->string, status); |
| } else if (currentCount < 0) { |
| // The data structure is already built; use it (fast path). |
| U_ASSERT(fCompiled != nullptr); |
| fCompiled->apply(results->quantity, results->string, status); |
| } else { |
| // Format the number without building the data structure (slow path). |
| NumberFormatterImpl::applyStatic(fMacros, results->quantity, results->string, status); |
| } |
| |
| // Do not save the results object if we encountered a failure. |
| if (U_SUCCESS(status)) { |
| return FormattedNumber(results); |
| } else { |
| delete results; |
| return FormattedNumber(status); |
| } |
| } |
| |
| UnicodeString FormattedNumber::toString() const { |
| if (fResults == nullptr) { |
| // TODO: http://bugs.icu-project.org/trac/ticket/13437 |
| return {}; |
| } |
| return fResults->string.toUnicodeString(); |
| } |
| |
| Appendable &FormattedNumber::appendTo(Appendable &appendable) { |
| if (fResults == nullptr) { |
| // TODO: http://bugs.icu-project.org/trac/ticket/13437 |
| return appendable; |
| } |
| appendable.appendString(fResults->string.chars(), fResults->string.length()); |
| return appendable; |
| } |
| |
| void FormattedNumber::populateFieldPosition(FieldPosition &fieldPosition, UErrorCode &status) { |
| if (U_FAILURE(status)) { return; } |
| if (fResults == nullptr) { |
| status = fErrorCode; |
| return; |
| } |
| fResults->string.populateFieldPosition(fieldPosition, 0, status); |
| } |
| |
| void |
| FormattedNumber::populateFieldPositionIterator(FieldPositionIterator &iterator, UErrorCode &status) { |
| if (U_FAILURE(status)) { return; } |
| if (fResults == nullptr) { |
| status = fErrorCode; |
| return; |
| } |
| fResults->string.populateFieldPositionIterator(iterator, status); |
| } |
| |
| FormattedNumber::~FormattedNumber() { |
| delete fResults; |
| } |
| |
| #endif /* #if !UCONFIG_NO_FORMATTING */ |