| /* |
| * Copyright (C) 2015 Andy VanWagoner (andy@vanwagoner.family) |
| * Copyright (C) 2016 Sukolsak Sakshuwong (sukolsak@gmail.com) |
| * Copyright (C) 2016-2019 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS |
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
| * THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "config.h" |
| #include "IntlNumberFormat.h" |
| |
| #if ENABLE(INTL) |
| |
| #include "CatchScope.h" |
| #include "Error.h" |
| #include "IntlNumberFormatConstructor.h" |
| #include "IntlObject.h" |
| #include "JSBoundFunction.h" |
| #include "JSCInlines.h" |
| #include "ObjectConstructor.h" |
| |
| #if HAVE(ICU_FORMAT_DOUBLE_FOR_FIELDS) |
| #include <unicode/ufieldpositer.h> |
| #endif |
| |
| namespace JSC { |
| |
| const ClassInfo IntlNumberFormat::s_info = { "Object", &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(IntlNumberFormat) }; |
| |
| static const char* const relevantNumberExtensionKeys[1] = { "nu" }; |
| |
| void IntlNumberFormat::UNumberFormatDeleter::operator()(UNumberFormat* numberFormat) const |
| { |
| if (numberFormat) |
| unum_close(numberFormat); |
| } |
| |
| IntlNumberFormat* IntlNumberFormat::create(VM& vm, Structure* structure) |
| { |
| IntlNumberFormat* format = new (NotNull, allocateCell<IntlNumberFormat>(vm.heap)) IntlNumberFormat(vm, structure); |
| format->finishCreation(vm); |
| return format; |
| } |
| |
| Structure* IntlNumberFormat::createStructure(VM& vm, JSGlobalObject* globalObject, JSValue prototype) |
| { |
| return Structure::create(vm, globalObject, prototype, TypeInfo(ObjectType, StructureFlags), info()); |
| } |
| |
| IntlNumberFormat::IntlNumberFormat(VM& vm, Structure* structure) |
| : JSDestructibleObject(vm, structure) |
| { |
| } |
| |
| void IntlNumberFormat::finishCreation(VM& vm) |
| { |
| Base::finishCreation(vm); |
| ASSERT(inherits(vm, info())); |
| } |
| |
| void IntlNumberFormat::destroy(JSCell* cell) |
| { |
| static_cast<IntlNumberFormat*>(cell)->IntlNumberFormat::~IntlNumberFormat(); |
| } |
| |
| void IntlNumberFormat::visitChildren(JSCell* cell, SlotVisitor& visitor) |
| { |
| IntlNumberFormat* thisObject = jsCast<IntlNumberFormat*>(cell); |
| ASSERT_GC_OBJECT_INHERITS(thisObject, info()); |
| |
| Base::visitChildren(thisObject, visitor); |
| |
| visitor.append(thisObject->m_boundFormat); |
| } |
| |
| namespace IntlNFInternal { |
| static Vector<String> localeData(const String& locale, size_t keyIndex) |
| { |
| // 9.1 Internal slots of Service Constructors & 11.2.3 Internal slots (ECMA-402 2.0) |
| ASSERT_UNUSED(keyIndex, !keyIndex); // The index of the extension key "nu" in relevantExtensionKeys is 0. |
| return numberingSystemsForLocale(locale); |
| } |
| } |
| |
| static inline unsigned computeCurrencySortKey(const String& currency) |
| { |
| ASSERT(currency.length() == 3); |
| ASSERT(currency.isAllSpecialCharacters<isASCIIUpper>()); |
| return (currency[0] << 16) + (currency[1] << 8) + currency[2]; |
| } |
| |
| static inline unsigned computeCurrencySortKey(const char* currency) |
| { |
| ASSERT(strlen(currency) == 3); |
| ASSERT(isAllSpecialCharacters<isASCIIUpper>(currency, 3)); |
| return (currency[0] << 16) + (currency[1] << 8) + currency[2]; |
| } |
| |
| static unsigned extractCurrencySortKey(std::pair<const char*, unsigned>* currencyMinorUnit) |
| { |
| return computeCurrencySortKey(currencyMinorUnit->first); |
| } |
| |
| static unsigned computeCurrencyDigits(const String& currency) |
| { |
| // 11.1.1 The abstract operation CurrencyDigits (currency) |
| // "If the ISO 4217 currency and funds code list contains currency as an alphabetic code, |
| // then return the minor unit value corresponding to the currency from the list; else return 2. |
| std::pair<const char*, unsigned> currencyMinorUnits[] = { |
| { "BHD", 3 }, |
| { "BIF", 0 }, |
| { "BYR", 0 }, |
| { "CLF", 4 }, |
| { "CLP", 0 }, |
| { "DJF", 0 }, |
| { "GNF", 0 }, |
| { "IQD", 3 }, |
| { "ISK", 0 }, |
| { "JOD", 3 }, |
| { "JPY", 0 }, |
| { "KMF", 0 }, |
| { "KRW", 0 }, |
| { "KWD", 3 }, |
| { "LYD", 3 }, |
| { "OMR", 3 }, |
| { "PYG", 0 }, |
| { "RWF", 0 }, |
| { "TND", 3 }, |
| { "UGX", 0 }, |
| { "UYI", 0 }, |
| { "VND", 0 }, |
| { "VUV", 0 }, |
| { "XAF", 0 }, |
| { "XOF", 0 }, |
| { "XPF", 0 } |
| }; |
| auto* currencyMinorUnit = tryBinarySearch<std::pair<const char*, unsigned>>(currencyMinorUnits, WTF_ARRAY_LENGTH(currencyMinorUnits), computeCurrencySortKey(currency), extractCurrencySortKey); |
| if (currencyMinorUnit) |
| return currencyMinorUnit->second; |
| return 2; |
| } |
| |
| void IntlNumberFormat::initializeNumberFormat(JSGlobalObject* globalObject, JSValue locales, JSValue optionsValue) |
| { |
| VM& vm = globalObject->vm(); |
| auto scope = DECLARE_THROW_SCOPE(vm); |
| |
| // 11.1.2 InitializeNumberFormat (numberFormat, locales, options) (ECMA-402) |
| // https://tc39.github.io/ecma402/#sec-initializenumberformat |
| |
| auto requestedLocales = canonicalizeLocaleList(globalObject, locales); |
| RETURN_IF_EXCEPTION(scope, void()); |
| |
| JSObject* options; |
| if (optionsValue.isUndefined()) |
| options = constructEmptyObject(vm, globalObject->nullPrototypeObjectStructure()); |
| else { |
| options = optionsValue.toObject(globalObject); |
| RETURN_IF_EXCEPTION(scope, void()); |
| } |
| |
| HashMap<String, String> opt; |
| |
| String matcher = intlStringOption(globalObject, options, vm.propertyNames->localeMatcher, { "lookup", "best fit" }, "localeMatcher must be either \"lookup\" or \"best fit\"", "best fit"); |
| RETURN_IF_EXCEPTION(scope, void()); |
| opt.add("localeMatcher"_s, matcher); |
| |
| auto& availableLocales = globalObject->intlNumberFormatAvailableLocales(); |
| auto result = resolveLocale(globalObject, availableLocales, requestedLocales, opt, relevantNumberExtensionKeys, WTF_ARRAY_LENGTH(relevantNumberExtensionKeys), IntlNFInternal::localeData); |
| |
| m_locale = result.get("locale"_s); |
| if (m_locale.isEmpty()) { |
| throwTypeError(globalObject, scope, "failed to initialize NumberFormat due to invalid locale"_s); |
| return; |
| } |
| |
| m_numberingSystem = result.get("nu"_s); |
| |
| String styleString = intlStringOption(globalObject, options, Identifier::fromString(vm, "style"), { "decimal", "percent", "currency" }, "style must be either \"decimal\", \"percent\", or \"currency\"", "decimal"); |
| RETURN_IF_EXCEPTION(scope, void()); |
| if (styleString == "decimal") |
| m_style = Style::Decimal; |
| else if (styleString == "percent") |
| m_style = Style::Percent; |
| else if (styleString == "currency") |
| m_style = Style::Currency; |
| else |
| ASSERT_NOT_REACHED(); |
| |
| String currency = intlStringOption(globalObject, options, Identifier::fromString(vm, "currency"), { }, nullptr, nullptr); |
| RETURN_IF_EXCEPTION(scope, void()); |
| if (!currency.isNull()) { |
| if (currency.length() != 3 || !currency.isAllSpecialCharacters<isASCIIAlpha>()) { |
| throwException(globalObject, scope, createRangeError(globalObject, "currency is not a well-formed currency code"_s)); |
| return; |
| } |
| } |
| |
| unsigned currencyDigits = 0; |
| if (m_style == Style::Currency) { |
| if (currency.isNull()) { |
| throwTypeError(globalObject, scope, "currency must be a string"_s); |
| return; |
| } |
| |
| currency = currency.convertToASCIIUppercase(); |
| m_currency = currency; |
| currencyDigits = computeCurrencyDigits(currency); |
| } |
| |
| String currencyDisplayString = intlStringOption(globalObject, options, Identifier::fromString(vm, "currencyDisplay"), { "code", "symbol", "name" }, "currencyDisplay must be either \"code\", \"symbol\", or \"name\"", "symbol"); |
| RETURN_IF_EXCEPTION(scope, void()); |
| if (m_style == Style::Currency) { |
| if (currencyDisplayString == "code") |
| m_currencyDisplay = CurrencyDisplay::Code; |
| else if (currencyDisplayString == "symbol") |
| m_currencyDisplay = CurrencyDisplay::Symbol; |
| else if (currencyDisplayString == "name") |
| m_currencyDisplay = CurrencyDisplay::Name; |
| else |
| ASSERT_NOT_REACHED(); |
| } |
| |
| unsigned minimumIntegerDigits = intlNumberOption(globalObject, options, Identifier::fromString(vm, "minimumIntegerDigits"), 1, 21, 1); |
| RETURN_IF_EXCEPTION(scope, void()); |
| m_minimumIntegerDigits = minimumIntegerDigits; |
| |
| unsigned minimumFractionDigitsDefault = (m_style == Style::Currency) ? currencyDigits : 0; |
| |
| unsigned minimumFractionDigits = intlNumberOption(globalObject, options, Identifier::fromString(vm, "minimumFractionDigits"), 0, 20, minimumFractionDigitsDefault); |
| RETURN_IF_EXCEPTION(scope, void()); |
| m_minimumFractionDigits = minimumFractionDigits; |
| |
| unsigned maximumFractionDigitsDefault; |
| if (m_style == Style::Currency) |
| maximumFractionDigitsDefault = std::max(minimumFractionDigits, currencyDigits); |
| else if (m_style == Style::Percent) |
| maximumFractionDigitsDefault = minimumFractionDigits; |
| else |
| maximumFractionDigitsDefault = std::max(minimumFractionDigits, 3u); |
| |
| unsigned maximumFractionDigits = intlNumberOption(globalObject, options, Identifier::fromString(vm, "maximumFractionDigits"), minimumFractionDigits, 20, maximumFractionDigitsDefault); |
| RETURN_IF_EXCEPTION(scope, void()); |
| m_maximumFractionDigits = maximumFractionDigits; |
| |
| JSValue minimumSignificantDigitsValue = options->get(globalObject, Identifier::fromString(vm, "minimumSignificantDigits")); |
| RETURN_IF_EXCEPTION(scope, void()); |
| |
| JSValue maximumSignificantDigitsValue = options->get(globalObject, Identifier::fromString(vm, "maximumSignificantDigits")); |
| RETURN_IF_EXCEPTION(scope, void()); |
| |
| if (!minimumSignificantDigitsValue.isUndefined() || !maximumSignificantDigitsValue.isUndefined()) { |
| unsigned minimumSignificantDigits = intlDefaultNumberOption(globalObject, minimumSignificantDigitsValue, Identifier::fromString(vm, "minimumSignificantDigits"), 1, 21, 1); |
| RETURN_IF_EXCEPTION(scope, void()); |
| unsigned maximumSignificantDigits = intlDefaultNumberOption(globalObject, maximumSignificantDigitsValue, Identifier::fromString(vm, "maximumSignificantDigits"), minimumSignificantDigits, 21, 21); |
| RETURN_IF_EXCEPTION(scope, void()); |
| m_minimumSignificantDigits = minimumSignificantDigits; |
| m_maximumSignificantDigits = maximumSignificantDigits; |
| } |
| |
| bool usesFallback; |
| bool useGrouping = intlBooleanOption(globalObject, options, Identifier::fromString(vm, "useGrouping"), usesFallback); |
| if (usesFallback) |
| useGrouping = true; |
| RETURN_IF_EXCEPTION(scope, void()); |
| m_useGrouping = useGrouping; |
| |
| UNumberFormatStyle style = UNUM_DEFAULT; |
| switch (m_style) { |
| case Style::Decimal: |
| style = UNUM_DECIMAL; |
| break; |
| case Style::Percent: |
| style = UNUM_PERCENT; |
| break; |
| case Style::Currency: |
| switch (m_currencyDisplay) { |
| case CurrencyDisplay::Code: |
| style = UNUM_CURRENCY_ISO; |
| break; |
| case CurrencyDisplay::Symbol: |
| style = UNUM_CURRENCY; |
| break; |
| case CurrencyDisplay::Name: |
| style = UNUM_CURRENCY_PLURAL; |
| break; |
| default: |
| ASSERT_NOT_REACHED(); |
| } |
| break; |
| default: |
| ASSERT_NOT_REACHED(); |
| } |
| |
| UErrorCode status = U_ZERO_ERROR; |
| m_numberFormat = std::unique_ptr<UNumberFormat, UNumberFormatDeleter>(unum_open(style, nullptr, 0, m_locale.utf8().data(), nullptr, &status)); |
| if (U_FAILURE(status)) { |
| throwTypeError(globalObject, scope, "failed to initialize NumberFormat"_s); |
| return; |
| } |
| |
| if (m_style == Style::Currency) { |
| unum_setTextAttribute(m_numberFormat.get(), UNUM_CURRENCY_CODE, StringView(m_currency).upconvertedCharacters(), m_currency.length(), &status); |
| if (U_FAILURE(status)) { |
| throwTypeError(globalObject, scope, "failed to initialize NumberFormat"_s); |
| return; |
| } |
| } |
| if (!m_minimumSignificantDigits) { |
| unum_setAttribute(m_numberFormat.get(), UNUM_MIN_INTEGER_DIGITS, m_minimumIntegerDigits); |
| unum_setAttribute(m_numberFormat.get(), UNUM_MIN_FRACTION_DIGITS, m_minimumFractionDigits); |
| unum_setAttribute(m_numberFormat.get(), UNUM_MAX_FRACTION_DIGITS, m_maximumFractionDigits); |
| } else { |
| unum_setAttribute(m_numberFormat.get(), UNUM_SIGNIFICANT_DIGITS_USED, true); |
| unum_setAttribute(m_numberFormat.get(), UNUM_MIN_SIGNIFICANT_DIGITS, m_minimumSignificantDigits); |
| unum_setAttribute(m_numberFormat.get(), UNUM_MAX_SIGNIFICANT_DIGITS, m_maximumSignificantDigits); |
| } |
| unum_setAttribute(m_numberFormat.get(), UNUM_GROUPING_USED, m_useGrouping); |
| unum_setAttribute(m_numberFormat.get(), UNUM_ROUNDING_MODE, UNUM_ROUND_HALFUP); |
| |
| m_initializedNumberFormat = true; |
| } |
| |
| JSValue IntlNumberFormat::formatNumber(JSGlobalObject* globalObject, double number) |
| { |
| VM& vm = globalObject->vm(); |
| auto scope = DECLARE_THROW_SCOPE(vm); |
| |
| // 11.3.4 FormatNumber abstract operation (ECMA-402 2.0) |
| if (!m_initializedNumberFormat) |
| return throwTypeError(globalObject, scope, "Intl.NumberFormat.prototype.format called on value that's not an object initialized as a NumberFormat"_s); |
| |
| // Map negative zero to positive zero. |
| if (!number) |
| number = 0.0; |
| |
| UErrorCode status = U_ZERO_ERROR; |
| Vector<UChar, 32> buffer(32); |
| auto length = unum_formatDouble(m_numberFormat.get(), number, buffer.data(), buffer.size(), nullptr, &status); |
| if (status == U_BUFFER_OVERFLOW_ERROR) { |
| buffer.grow(length); |
| status = U_ZERO_ERROR; |
| unum_formatDouble(m_numberFormat.get(), number, buffer.data(), length, nullptr, &status); |
| } |
| if (U_FAILURE(status)) |
| return throwException(globalObject, scope, createError(globalObject, "Failed to format a number."_s)); |
| |
| return jsString(vm, String(buffer.data(), length)); |
| } |
| |
| ASCIILiteral IntlNumberFormat::styleString(Style style) |
| { |
| switch (style) { |
| case Style::Decimal: |
| return "decimal"_s; |
| case Style::Percent: |
| return "percent"_s; |
| case Style::Currency: |
| return "currency"_s; |
| } |
| ASSERT_NOT_REACHED(); |
| return ASCIILiteral::null(); |
| } |
| |
| ASCIILiteral IntlNumberFormat::currencyDisplayString(CurrencyDisplay currencyDisplay) |
| { |
| switch (currencyDisplay) { |
| case CurrencyDisplay::Code: |
| return "code"_s; |
| case CurrencyDisplay::Symbol: |
| return "symbol"_s; |
| case CurrencyDisplay::Name: |
| return "name"_s; |
| } |
| ASSERT_NOT_REACHED(); |
| return ASCIILiteral::null(); |
| } |
| |
| JSObject* IntlNumberFormat::resolvedOptions(JSGlobalObject* globalObject) |
| { |
| VM& vm = globalObject->vm(); |
| auto scope = DECLARE_THROW_SCOPE(vm); |
| |
| // 11.3.5 Intl.NumberFormat.prototype.resolvedOptions() (ECMA-402 2.0) |
| // The function returns a new object whose properties and attributes are set as if |
| // constructed by an object literal assigning to each of the following properties the |
| // value of the corresponding internal slot of this NumberFormat object (see 11.4): |
| // locale, numberingSystem, style, currency, currencyDisplay, minimumIntegerDigits, |
| // minimumFractionDigits, maximumFractionDigits, minimumSignificantDigits, |
| // maximumSignificantDigits, and useGrouping. Properties whose corresponding internal |
| // slots are not present are not assigned. |
| |
| if (!m_initializedNumberFormat) { |
| initializeNumberFormat(globalObject, jsUndefined(), jsUndefined()); |
| scope.assertNoException(); |
| } |
| |
| JSObject* options = constructEmptyObject(globalObject); |
| options->putDirect(vm, vm.propertyNames->locale, jsString(vm, m_locale)); |
| options->putDirect(vm, Identifier::fromString(vm, "numberingSystem"), jsString(vm, m_numberingSystem)); |
| options->putDirect(vm, Identifier::fromString(vm, "style"), jsNontrivialString(vm, styleString(m_style))); |
| if (m_style == Style::Currency) { |
| options->putDirect(vm, Identifier::fromString(vm, "currency"), jsNontrivialString(vm, m_currency)); |
| options->putDirect(vm, Identifier::fromString(vm, "currencyDisplay"), jsNontrivialString(vm, currencyDisplayString(m_currencyDisplay))); |
| } |
| options->putDirect(vm, Identifier::fromString(vm, "minimumIntegerDigits"), jsNumber(m_minimumIntegerDigits)); |
| options->putDirect(vm, Identifier::fromString(vm, "minimumFractionDigits"), jsNumber(m_minimumFractionDigits)); |
| options->putDirect(vm, Identifier::fromString(vm, "maximumFractionDigits"), jsNumber(m_maximumFractionDigits)); |
| if (m_minimumSignificantDigits) { |
| ASSERT(m_maximumSignificantDigits); |
| options->putDirect(vm, Identifier::fromString(vm, "minimumSignificantDigits"), jsNumber(m_minimumSignificantDigits)); |
| options->putDirect(vm, Identifier::fromString(vm, "maximumSignificantDigits"), jsNumber(m_maximumSignificantDigits)); |
| } |
| options->putDirect(vm, Identifier::fromString(vm, "useGrouping"), jsBoolean(m_useGrouping)); |
| return options; |
| } |
| |
| void IntlNumberFormat::setBoundFormat(VM& vm, JSBoundFunction* format) |
| { |
| m_boundFormat.set(vm, this, format); |
| } |
| |
| #if HAVE(ICU_FORMAT_DOUBLE_FOR_FIELDS) |
| void IntlNumberFormat::UFieldPositionIteratorDeleter::operator()(UFieldPositionIterator* iterator) const |
| { |
| if (iterator) |
| ufieldpositer_close(iterator); |
| } |
| |
| ASCIILiteral IntlNumberFormat::partTypeString(UNumberFormatFields field, double value) |
| { |
| switch (field) { |
| case UNUM_INTEGER_FIELD: |
| if (std::isnan(value)) |
| return "nan"_s; |
| if (!std::isfinite(value)) |
| return "infinity"_s; |
| return "integer"_s; |
| case UNUM_FRACTION_FIELD: |
| return "fraction"_s; |
| case UNUM_DECIMAL_SEPARATOR_FIELD: |
| return "decimal"_s; |
| case UNUM_GROUPING_SEPARATOR_FIELD: |
| return "group"_s; |
| case UNUM_CURRENCY_FIELD: |
| return "currency"_s; |
| case UNUM_PERCENT_FIELD: |
| return "percentSign"_s; |
| case UNUM_SIGN_FIELD: |
| return value < 0 ? "minusSign"_s : "plusSign"_s; |
| // These should not show up because there is no way to specify them in NumberFormat options. |
| // If they do, they don't fit well into any of known part types, so consider it an "unknown". |
| case UNUM_PERMILL_FIELD: |
| case UNUM_EXPONENT_SYMBOL_FIELD: |
| case UNUM_EXPONENT_SIGN_FIELD: |
| case UNUM_EXPONENT_FIELD: |
| #if !defined(U_HIDE_DEPRECATED_API) |
| case UNUM_FIELD_COUNT: |
| #endif |
| // Any newer additions to the UNumberFormatFields enum should just be considered an "unknown" part. |
| default: |
| return "unknown"_s; |
| } |
| return "unknown"_s; |
| } |
| |
| JSValue IntlNumberFormat::formatToParts(JSGlobalObject* globalObject, double value) |
| { |
| VM& vm = globalObject->vm(); |
| auto scope = DECLARE_THROW_SCOPE(vm); |
| |
| // FormatNumberToParts (ECMA-402) |
| // https://tc39.github.io/ecma402/#sec-formatnumbertoparts |
| // https://tc39.github.io/ecma402/#sec-partitionnumberpattern |
| |
| if (!m_initializedNumberFormat) |
| return throwTypeError(globalObject, scope, "Intl.NumberFormat.prototype.formatToParts called on value that's not an object initialized as a NumberFormat"_s); |
| |
| UErrorCode status = U_ZERO_ERROR; |
| auto fieldItr = std::unique_ptr<UFieldPositionIterator, UFieldPositionIteratorDeleter>(ufieldpositer_open(&status)); |
| if (U_FAILURE(status)) |
| return throwTypeError(globalObject, scope, "failed to open field position iterator"_s); |
| |
| status = U_ZERO_ERROR; |
| Vector<UChar, 32> result(32); |
| auto resultLength = unum_formatDoubleForFields(m_numberFormat.get(), value, result.data(), result.size(), fieldItr.get(), &status); |
| if (status == U_BUFFER_OVERFLOW_ERROR) { |
| status = U_ZERO_ERROR; |
| result.grow(resultLength); |
| unum_formatDoubleForFields(m_numberFormat.get(), value, result.data(), resultLength, fieldItr.get(), &status); |
| } |
| if (U_FAILURE(status)) |
| return throwTypeError(globalObject, scope, "failed to format a number."_s); |
| |
| int32_t literalFieldType = -1; |
| auto literalField = IntlNumberFormatField(literalFieldType, resultLength); |
| Vector<IntlNumberFormatField> fields(resultLength, literalField); |
| int32_t beginIndex = 0; |
| int32_t endIndex = 0; |
| auto fieldType = ufieldpositer_next(fieldItr.get(), &beginIndex, &endIndex); |
| while (fieldType >= 0) { |
| auto size = endIndex - beginIndex; |
| for (auto i = beginIndex; i < endIndex; ++i) { |
| // Only override previous value if new value is more specific. |
| if (fields[i].size >= size) |
| fields[i] = IntlNumberFormatField(fieldType, size); |
| } |
| fieldType = ufieldpositer_next(fieldItr.get(), &beginIndex, &endIndex); |
| } |
| |
| JSArray* parts = JSArray::tryCreate(vm, globalObject->arrayStructureForIndexingTypeDuringAllocation(ArrayWithContiguous), 0); |
| if (!parts) |
| return throwOutOfMemoryError(globalObject, scope); |
| unsigned index = 0; |
| |
| auto resultString = String(result.data(), resultLength); |
| auto typePropertyName = Identifier::fromString(vm, "type"); |
| auto literalString = jsString(vm, "literal"_s); |
| |
| int32_t currentIndex = 0; |
| while (currentIndex < resultLength) { |
| auto startIndex = currentIndex; |
| auto fieldType = fields[currentIndex].type; |
| while (currentIndex < resultLength && fields[currentIndex].type == fieldType) |
| ++currentIndex; |
| auto partType = fieldType == literalFieldType ? literalString : jsString(vm, partTypeString(UNumberFormatFields(fieldType), value)); |
| auto partValue = jsSubstring(vm, resultString, startIndex, currentIndex - startIndex); |
| JSObject* part = constructEmptyObject(globalObject); |
| part->putDirect(vm, typePropertyName, partType); |
| part->putDirect(vm, vm.propertyNames->value, partValue); |
| parts->putDirectIndex(globalObject, index++, part); |
| RETURN_IF_EXCEPTION(scope, { }); |
| } |
| |
| return parts; |
| } |
| #endif |
| |
| } // namespace JSC |
| |
| #endif // ENABLE(INTL) |
