arkcompiler_ets_runtime/ecmascript/js_number_format.cpp

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/*
* Copyright (c) 2021 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "ecmascript/js_number_format.h"
namespace panda::ecmascript {
constexpr uint32_t DEFAULT_FRACTION_DIGITS = 2;
constexpr uint32_t PERUNIT_STRING = 5;
JSHandle<JSTaggedValue> OptionToEcmaString(JSThread *thread, StyleOption style)
{
JSMutableHandle<JSTaggedValue> result(thread, JSTaggedValue::Undefined());
auto globalConst = thread->GlobalConstants();
switch (style) {
case StyleOption::DECIMAL:
result.Update(globalConst->GetHandledDecimalString().GetTaggedValue());
break;
case StyleOption::CURRENCY:
result.Update(globalConst->GetHandledCurrencyString().GetTaggedValue());
break;
case StyleOption::PERCENT:
result.Update(globalConst->GetHandledPercentString().GetTaggedValue());
break;
case StyleOption::UNIT:
result.Update(globalConst->GetHandledUnitString().GetTaggedValue());
break;
default:
UNREACHABLE();
}
return result;
}
JSHandle<JSTaggedValue> OptionToEcmaString(JSThread *thread, CurrencyDisplayOption currencyDisplay)
{
JSMutableHandle<JSTaggedValue> result(thread, JSTaggedValue::Undefined());
auto globalConst = thread->GlobalConstants();
switch (currencyDisplay) {
case CurrencyDisplayOption::CODE:
result.Update(globalConst->GetHandledCodeString().GetTaggedValue());
break;
case CurrencyDisplayOption::SYMBOL:
result.Update(globalConst->GetHandledSymbolString().GetTaggedValue());
break;
case CurrencyDisplayOption::NARROWSYMBOL:
result.Update(globalConst->GetHandledNarrowSymbolString().GetTaggedValue());
break;
case CurrencyDisplayOption::NAME:
result.Update(globalConst->GetHandledNameString().GetTaggedValue());
break;
default:
UNREACHABLE();
}
return result;
}
JSHandle<JSTaggedValue> OptionToEcmaString(JSThread *thread, CurrencySignOption currencySign)
{
auto globalConst = thread->GlobalConstants();
JSMutableHandle<JSTaggedValue> result(thread, JSTaggedValue::Undefined());
switch (currencySign) {
case CurrencySignOption::STANDARD:
result.Update(globalConst->GetHandledStandardString().GetTaggedValue());
break;
case CurrencySignOption::ACCOUNTING:
result.Update(globalConst->GetHandledAccountingString().GetTaggedValue());
break;
default:
UNREACHABLE();
}
return result;
}
JSHandle<JSTaggedValue> OptionToEcmaString(JSThread *thread, UnitDisplayOption unitDisplay)
{
JSMutableHandle<JSTaggedValue> result(thread, JSTaggedValue::Undefined());
auto globalConst = thread->GlobalConstants();
switch (unitDisplay) {
case UnitDisplayOption::SHORT:
result.Update(globalConst->GetHandledShortString().GetTaggedValue());
break;
case UnitDisplayOption::NARROW:
result.Update(globalConst->GetHandledNarrowString().GetTaggedValue());
break;
case UnitDisplayOption::LONG:
result.Update(globalConst->GetHandledLongString().GetTaggedValue());
break;
default:
UNREACHABLE();
}
return result;
}
JSHandle<JSTaggedValue> OptionToEcmaString(JSThread *thread, NotationOption notation)
{
JSMutableHandle<JSTaggedValue> result(thread, JSTaggedValue::Undefined());
auto globalConst = thread->GlobalConstants();
switch (notation) {
case NotationOption::STANDARD:
result.Update(globalConst->GetHandledStandardString().GetTaggedValue());
break;
case NotationOption::SCIENTIFIC:
result.Update(globalConst->GetHandledScientificString().GetTaggedValue());
break;
case NotationOption::ENGINEERING:
result.Update(globalConst->GetHandledEngineeringString().GetTaggedValue());
break;
case NotationOption::COMPACT:
result.Update(globalConst->GetHandledCompactString().GetTaggedValue());
break;
default:
UNREACHABLE();
}
return result;
}
JSHandle<JSTaggedValue> OptionToEcmaString(JSThread *thread, CompactDisplayOption compactDisplay)
{
JSMutableHandle<JSTaggedValue> result(thread, JSTaggedValue::Undefined());
auto globalConst = thread->GlobalConstants();
switch (compactDisplay) {
case CompactDisplayOption::SHORT:
result.Update(globalConst->GetHandledShortString().GetTaggedValue());
break;
case CompactDisplayOption::LONG:
result.Update(globalConst->GetHandledLongString().GetTaggedValue());
break;
default:
UNREACHABLE();
}
return result;
}
JSHandle<JSTaggedValue> OptionToEcmaString(JSThread *thread, SignDisplayOption signDisplay)
{
JSMutableHandle<JSTaggedValue> result(thread, JSTaggedValue::Undefined());
auto globalConst = thread->GlobalConstants();
switch (signDisplay) {
case SignDisplayOption::AUTO:
result.Update(globalConst->GetHandledAutoString().GetTaggedValue());
break;
case SignDisplayOption::ALWAYS:
result.Update(globalConst->GetHandledAlwaysString().GetTaggedValue());
break;
case SignDisplayOption::NEVER:
result.Update(globalConst->GetHandledNeverString().GetTaggedValue());
break;
case SignDisplayOption::EXCEPTZERO:
result.Update(globalConst->GetHandledExceptZeroString().GetTaggedValue());
break;
default:
UNREACHABLE();
}
return result;
}
icu::MeasureUnit ToMeasureUnit(const std::string &sanctionedUnit)
{
UErrorCode status = U_ZERO_ERROR;
// Get All ICU measure unit
int32_t total = icu::MeasureUnit::getAvailable(nullptr, 0, status);
status = U_ZERO_ERROR;
std::vector<icu::MeasureUnit> units(total);
icu::MeasureUnit::getAvailable(units.data(), total, status);
ASSERT(U_SUCCESS(status));
// Find measure unit according to sanctioned unit
// then return measure unit
for (auto &unit : units) {
if (std::strcmp(sanctionedUnit.c_str(), unit.getSubtype()) == 0) {
return unit;
}
}
return icu::MeasureUnit();
}
// ecma402 #sec-issanctionedsimpleunitidentifier
bool IsSanctionedSimpleUnitIdentifier(const std::string &unit)
{
// 1. If unitIdentifier is listed in sanctioned unit set, return true.
auto it = SANCTIONED_UNIT.find(unit);
if (it != SANCTIONED_UNIT.end()) {
return true;
}
// 2. Else, Return false.
return false;
}
// 6.5.1 IsWellFormedUnitIdentifier ( unitIdentifier )
bool IsWellFormedUnitIdentifier(const std::string &unit, icu::MeasureUnit &icuUnit, icu::MeasureUnit &icuPerUnit)
{
// 1. If the result of IsSanctionedSimpleUnitIdentifier(unitIdentifier) is true, then
// a. Return true.
icu::MeasureUnit result = icu::MeasureUnit();
icu::MeasureUnit emptyUnit = icu::MeasureUnit();
auto pos = unit.find("-per-");
if (IsSanctionedSimpleUnitIdentifier(unit) && pos == std::string::npos) {
result = ToMeasureUnit(unit);
icuUnit = result;
icuPerUnit = emptyUnit;
return true;
}
// 2. If the substring "-per-" does not occur exactly once in unitIdentifier,
// a. then false
size_t afterPos = pos + PERUNIT_STRING;
if (pos == std::string::npos || unit.find("-per-", afterPos) != std::string::npos) {
return false;
}
// 3. Let numerator be the substring of unitIdentifier from the beginning to just before "-per-".
std::string numerator = unit.substr(0, pos);
// 4. If the result of IsSanctionedUnitIdentifier(numerator) is false, then
// a. return false
if (IsSanctionedSimpleUnitIdentifier(numerator)) {
result = ToMeasureUnit(numerator);
} else {
return false;
}
// 5. Let denominator be the substring of unitIdentifier from just after "-per-" to the end.
std::string denominator = unit.substr(pos + PERUNIT_STRING);
// 6. If the result of IsSanctionedUnitIdentifier(denominator) is false, then
// a. Return false
icu::MeasureUnit perResult = icu::MeasureUnit();
if (IsSanctionedSimpleUnitIdentifier(denominator)) {
perResult = ToMeasureUnit(denominator);
} else {
return false;
}
// 7. Return true.
icuUnit = result;
icuPerUnit = perResult;
return true;
}
// 12.1.13 SetNumberFormatUnitOptions ( intlObj, options )
FractionDigitsOption SetNumberFormatUnitOptions(JSThread *thread,
const JSHandle<JSNumberFormat> &numberFormat,
const JSHandle<JSObject> &optionsObject,
icu::number::LocalizedNumberFormatter *icuNumberFormatter)
{
auto globalConst = thread->GlobalConstants();
FractionDigitsOption fractionDigitsOption;
// 3. Let style be ? GetOption(options, "style", "string", « "decimal", "percent", "currency", "unit" », "decimal").
JSHandle<JSTaggedValue> property = globalConst->GetHandledStyleString();
auto style = JSLocale::GetOptionOfString<StyleOption>(
thread, optionsObject, property,
{StyleOption::DECIMAL, StyleOption::PERCENT, StyleOption::CURRENCY, StyleOption::UNIT},
{"decimal", "percent", "currency", "unit"}, StyleOption::DECIMAL);
RETURN_VALUE_IF_ABRUPT_COMPLETION(thread, fractionDigitsOption);
// 4. Set intlObj.[[Style]] to style.
numberFormat->SetStyle(style);
// 5. Let currency be ? GetOption(options, "currency", "string", undefined, undefined).
property = globalConst->GetHandledCurrencyString();
JSHandle<JSTaggedValue> undefinedValue(thread, JSTaggedValue::Undefined());
JSHandle<JSTaggedValue> currency =
JSLocale::GetOption(thread, optionsObject, property, OptionType::STRING, undefinedValue, undefinedValue);
RETURN_VALUE_IF_ABRUPT_COMPLETION(thread, fractionDigitsOption);
// 6. If currency is not undefined, then
// a. If the result of IsWellFormedCurrencyCode(currency) is false, throw a RangeError exception.
if (!currency->IsUndefined()) {
JSHandle<EcmaString> currencyStr = JSHandle<EcmaString>::Cast(currency);
if (currencyStr->IsUtf16()) {
THROW_RANGE_ERROR_AND_RETURN(thread, "not a utf-8", fractionDigitsOption);
}
std::string currencyCStr = JSLocale::ConvertToStdString(currencyStr);
if (!JSLocale::IsWellFormedCurrencyCode(currencyCStr)) {
THROW_RANGE_ERROR_AND_RETURN(thread, "not a wellformed code", fractionDigitsOption);
}
} else {
// 7. If style is "currency" and currency is undefined, throw a TypeError exception.
if (style == StyleOption::CURRENCY) {
THROW_TYPE_ERROR_AND_RETURN(thread, "style is currency but currency is undefined", fractionDigitsOption);
}
}
// 8. Let currencyDisplay be ? GetOption(options, "currencyDisplay", "string",
// « "code", "symbol", "narrowSymbol", "name" », "symbol").
property = globalConst->GetHandledCurrencyDisplayString();
auto currencyDisplay = JSLocale::GetOptionOfString<CurrencyDisplayOption>(
thread, optionsObject, property,
{CurrencyDisplayOption::CODE, CurrencyDisplayOption::SYMBOL, CurrencyDisplayOption::NARROWSYMBOL,
CurrencyDisplayOption::NAME},
{"code", "symbol", "narrowSymbol", "name"}, CurrencyDisplayOption::SYMBOL);
RETURN_VALUE_IF_ABRUPT_COMPLETION(thread, fractionDigitsOption);
numberFormat->SetCurrencyDisplay(currencyDisplay);
// 9. Let currencySign be ? GetOption(options, "currencySign", "string", « "standard", "accounting" », "standard").
property = globalConst->GetHandledCurrencySignString();
auto currencySign = JSLocale::GetOptionOfString<CurrencySignOption>(
thread, optionsObject, property, {CurrencySignOption::STANDARD, CurrencySignOption::ACCOUNTING},
{"standard", "accounting"}, CurrencySignOption::STANDARD);
RETURN_VALUE_IF_ABRUPT_COMPLETION(thread, fractionDigitsOption);
numberFormat->SetCurrencySign(currencySign);
// 10. Let unit be ? GetOption(options, "unit", "string", undefined, undefined).
property = globalConst->GetHandledUnitString();
JSHandle<JSTaggedValue> unit =
JSLocale::GetOption(thread, optionsObject, property, OptionType::STRING, undefinedValue, undefinedValue);
RETURN_VALUE_IF_ABRUPT_COMPLETION(thread, fractionDigitsOption);
numberFormat->SetUnit(thread, unit);
// 11. If unit is not undefined, then
// If the result of IsWellFormedUnitIdentifier(unit) is false, throw a RangeError exception.
icu::MeasureUnit icuUnit;
icu::MeasureUnit icuPerUnit;
if (!unit->IsUndefined()) {
JSHandle<EcmaString> unitStr = JSHandle<EcmaString>::Cast(unit);
if (unitStr->IsUtf16()) {
THROW_RANGE_ERROR_AND_RETURN(thread, "Unit input is illegal", fractionDigitsOption);
}
std::string str = JSLocale::ConvertToStdString(unitStr);
if (!IsWellFormedUnitIdentifier(str, icuUnit, icuPerUnit)) {
THROW_RANGE_ERROR_AND_RETURN(thread, "Unit input is illegal", fractionDigitsOption);
}
} else {
// 15.12. if style is "unit" and unit is undefined, throw a TypeError exception.
if (style == StyleOption::UNIT) {
THROW_TYPE_ERROR_AND_RETURN(thread, "style is unit but unit is undefined", fractionDigitsOption);
}
}
// 13. Let unitDisplay be ? GetOption(options, "unitDisplay", "string", « "short", "narrow", "long" », "short").
property = globalConst->GetHandledUnitDisplayString();
auto unitDisplay = JSLocale::GetOptionOfString<UnitDisplayOption>(
thread, optionsObject, property, {UnitDisplayOption::SHORT, UnitDisplayOption::NARROW, UnitDisplayOption::LONG},
{"short", "narrow", "long"}, UnitDisplayOption::SHORT);
RETURN_VALUE_IF_ABRUPT_COMPLETION(thread, fractionDigitsOption);
numberFormat->SetUnitDisplay(unitDisplay);
// 14. If style is "currency", then
// a. Let currency be the result of converting currency to upper case as specified in 6.1.
// b. Set intlObj.[[Currency]] to currency.
// c. Set intlObj.[[CurrencyDisplay]] to currencyDisplay.
// d. Set intlObj.[[CurrencySign]] to currencySign.
icu::UnicodeString currencyUStr;
UErrorCode status = U_ZERO_ERROR;
if (style == StyleOption::CURRENCY) {
JSHandle<EcmaString> currencyStr = JSHandle<EcmaString>::Cast(currency);
std::string currencyCStr = JSLocale::ConvertToStdString(currencyStr);
std::transform(currencyCStr.begin(), currencyCStr.end(), currencyCStr.begin(), toupper);
ObjectFactory *factory = thread->GetEcmaVM()->GetFactory();
JSHandle<JSTaggedValue> currencyValue = JSHandle<JSTaggedValue>::Cast(factory->NewFromStdString(currencyCStr));
numberFormat->SetCurrency(thread, currencyValue);
currencyUStr = currencyCStr.c_str();
if (!currencyUStr.isEmpty()) { // NOLINT(readability-implicit-bool-conversion)
*icuNumberFormatter = icuNumberFormatter->unit(icu::CurrencyUnit(currencyUStr.getBuffer(), status));
ASSERT(U_SUCCESS(status));
UNumberUnitWidth uNumberUnitWidth;
// Trans currencyDisplayOption to ICU format number display option
switch (currencyDisplay) {
case CurrencyDisplayOption::CODE:
uNumberUnitWidth = UNumberUnitWidth::UNUM_UNIT_WIDTH_ISO_CODE;
break;
case CurrencyDisplayOption::SYMBOL:
uNumberUnitWidth = UNumberUnitWidth::UNUM_UNIT_WIDTH_SHORT;
break;
case CurrencyDisplayOption::NARROWSYMBOL:
uNumberUnitWidth = UNumberUnitWidth::UNUM_UNIT_WIDTH_NARROW;
break;
case CurrencyDisplayOption::NAME:
uNumberUnitWidth = UNumberUnitWidth::UNUM_UNIT_WIDTH_FULL_NAME;
break;
default:
UNREACHABLE();
}
*icuNumberFormatter = icuNumberFormatter->unitWidth(uNumberUnitWidth);
}
}
// 15. If style is "unit", then
// if unit is not undefiend set unit to LocalizedNumberFormatter
// then if perunit is not undefiend set perunit to LocalizedNumberFormatter
if (style == StyleOption::UNIT) {
icu::MeasureUnit emptyUnit = icu::MeasureUnit();
if (icuUnit != emptyUnit) { // NOLINT(readability-implicit-bool-conversion)
*icuNumberFormatter = icuNumberFormatter->unit(icuUnit);
}
if (icuPerUnit != emptyUnit) { // NOLINT(readability-implicit-bool-conversion)
*icuNumberFormatter = icuNumberFormatter->perUnit(icuPerUnit);
}
}
// 17. If style is "currency", then
// a. Let cDigits be CurrencyDigits(currency).
// b. Let mnfdDefault be cDigits.
// c. Let mxfdDefault be cDigits.
if (style == StyleOption::CURRENCY) {
int32_t cDigits = JSNumberFormat::CurrencyDigits(currencyUStr);
fractionDigitsOption.mnfdDefault = cDigits;
fractionDigitsOption.mxfdDefault = cDigits;
} else {
// 18. Else,
// a. Let mnfdDefault be 0.
// b. If style is "percent", then
// i. Let mxfdDefault be 0.
// c. else,
// i. Let mxfdDefault be 3.
fractionDigitsOption.mnfdDefault = 0;
if (style == StyleOption::PERCENT) {
fractionDigitsOption.mxfdDefault = 0;
} else {
fractionDigitsOption.mxfdDefault = 3; // Max decimal precision is 3
}
}
return fractionDigitsOption;
}
// 12.1.2 InitializeNumberFormat ( numberFormat, locales, options )
// NOLINTNEXTLINE(readability-function-size)
void JSNumberFormat::InitializeNumberFormat(JSThread *thread, const JSHandle<JSNumberFormat> &numberFormat,
const JSHandle<JSTaggedValue> &locales,
const JSHandle<JSTaggedValue> &options)
{
ObjectFactory *factory = thread->GetEcmaVM()->GetFactory();
// 1. Let requestedLocales be ? CanonicalizeLocaleList(locales).
JSHandle<TaggedArray> requestedLocales = JSLocale::CanonicalizeLocaleList(thread, locales);
// 2. If options is undefined, then
// a. Let options be ObjectCreate(null).
// 3. Else,
// a. Let options be ? ToObject(options).
JSHandle<JSObject> optionsObject;
if (options->IsUndefined()) {
optionsObject = factory->CreateNullJSObject();
} else {
optionsObject = JSTaggedValue::ToObject(thread, options);
RETURN_IF_ABRUPT_COMPLETION(thread);
}
auto globalConst = thread->GlobalConstants();
// 5. Let matcher be ? GetOption(options, "localeMatcher", "string", « "lookup", "best fit" », "best fit").
JSHandle<JSTaggedValue> property = globalConst->GetHandledLocaleMatcherString();
auto matcher = JSLocale::GetOptionOfString<LocaleMatcherOption>(
thread, optionsObject, property, {LocaleMatcherOption::LOOKUP, LocaleMatcherOption::BEST_FIT},
{"lookup", "best fit"}, LocaleMatcherOption::BEST_FIT);
RETURN_IF_ABRUPT_COMPLETION(thread);
// 7. Let numberingSystem be ? GetOption(options, "numberingSystem", "string", undefined, undefined).
property = globalConst->GetHandledNumberingSystemString();
JSHandle<JSTaggedValue> undefinedValue(thread, JSTaggedValue::Undefined());
JSHandle<JSTaggedValue> numberingSystemTaggedValue =
JSLocale::GetOption(thread, optionsObject, property, OptionType::STRING, undefinedValue, undefinedValue);
RETURN_IF_ABRUPT_COMPLETION(thread);
numberFormat->SetNumberingSystem(thread, numberingSystemTaggedValue);
// 8. If numberingSystem is not undefined, then
// a. If numberingSystem does not match the Unicode Locale Identifier type nonterminal,
// throw a RangeError exception. `(3*8alphanum) *("-" (3*8alphanum))`
std::string numberingSystemStr;
if (!numberingSystemTaggedValue->IsUndefined()) {
JSHandle<EcmaString> numberingSystemEcmaString = JSHandle<EcmaString>::Cast(numberingSystemTaggedValue);
if (numberingSystemEcmaString->IsUtf16()) {
THROW_ERROR(thread, ErrorType::RANGE_ERROR, "invalid numberingSystem");
}
numberingSystemStr = JSLocale::ConvertToStdString(numberingSystemEcmaString);
if (!JSLocale::IsNormativeNumberingSystem(numberingSystemStr)) {
THROW_ERROR(thread, ErrorType::RANGE_ERROR, "invalid numberingSystem");
}
}
// 10. Let localeData be %NumberFormat%.[[LocaleData]].
JSHandle<TaggedArray> availableLocales;
if (requestedLocales->GetLength() == 0) {
availableLocales = factory->EmptyArray();
} else {
availableLocales = GetAvailableLocales(thread);
}
// 11. Let r be ResolveLocale( %NumberFormat%.[[AvailableLocales]], requestedLocales, opt,
// %NumberFormat%.[[RelevantExtensionKeys]], localeData).
std::set<std::string> relevantExtensionKeys{"nu"};
ResolvedLocale r =
JSLocale::ResolveLocale(thread, availableLocales, requestedLocales, matcher, relevantExtensionKeys);
// 12. Set numberFormat.[[Locale]] to r.[[locale]].
icu::Locale icuLocale = r.localeData;
JSHandle<EcmaString> localeStr = JSLocale::ToLanguageTag(thread, icuLocale);
numberFormat->SetLocale(thread, localeStr.GetTaggedValue());
// Set numberingSystemStr to UnicodeKeyWord "nu"
UErrorCode status = U_ZERO_ERROR;
if (!numberingSystemStr.empty()) {
if (JSLocale::IsWellNumberingSystem(numberingSystemStr)) {
icuLocale.setUnicodeKeywordValue("nu", numberingSystemStr, status);
ASSERT(U_SUCCESS(status));
}
}
icu::number::LocalizedNumberFormatter icuNumberFormatter =
icu::number::NumberFormatter::withLocale(icuLocale).roundingMode(UNUM_ROUND_HALFUP);
int32_t mnfdDefault = 0;
int32_t mxfdDefault = 0;
FractionDigitsOption fractionOptions =
SetNumberFormatUnitOptions(thread, numberFormat, optionsObject, &icuNumberFormatter);
RETURN_IF_ABRUPT_COMPLETION(thread);
mnfdDefault = fractionOptions.mnfdDefault;
mxfdDefault = fractionOptions.mxfdDefault;
UnitDisplayOption unitDisplay = numberFormat->GetUnitDisplay();
// Trans unitDisplay option to ICU display option
UNumberUnitWidth uNumberUnitWidth;
switch (unitDisplay) {
case UnitDisplayOption::SHORT:
uNumberUnitWidth = UNumberUnitWidth::UNUM_UNIT_WIDTH_SHORT;
break;
case UnitDisplayOption::NARROW:
uNumberUnitWidth = UNumberUnitWidth::UNUM_UNIT_WIDTH_NARROW;
break;
case UnitDisplayOption::LONG:
// UNUM_UNIT_WIDTH_FULL_NAME Print the full name of the unit, without any abbreviations.
uNumberUnitWidth = UNumberUnitWidth::UNUM_UNIT_WIDTH_FULL_NAME;
break;
default:
UNREACHABLE();
}
icuNumberFormatter = icuNumberFormatter.unitWidth(uNumberUnitWidth);
// 16. Let style be numberFormat.[[Style]].
StyleOption style = numberFormat->GetStyle();
if (style == StyleOption::PERCENT) {
icuNumberFormatter = icuNumberFormatter.unit(icu::MeasureUnit::getPercent())
.scale(icu::number::Scale::powerOfTen(2)); // means 10^2
}
// 19. Let notation be ? GetOption(
// options, "notation", "string", « "standard", "scientific", "engineering", "compact" », "standard").
property = globalConst->GetHandledNotationString();
auto notation = JSLocale::GetOptionOfString<NotationOption>(
thread, optionsObject, property,
{NotationOption::STANDARD, NotationOption::SCIENTIFIC, NotationOption::ENGINEERING, NotationOption::COMPACT},
{"standard", "scientific", "engineering", "compact"}, NotationOption::STANDARD);
RETURN_IF_ABRUPT_COMPLETION(thread);
numberFormat->SetNotation(notation);
// 21. Perform ? SetNumberFormatDigitOptions(numberFormat, options, mnfdDefault, mxfdDefault, notation).
JSLocale::SetNumberFormatDigitOptions(thread, numberFormat, JSHandle<JSTaggedValue>::Cast(optionsObject),
mnfdDefault, mxfdDefault, notation);
icuNumberFormatter = SetICUFormatterDigitOptions(icuNumberFormatter, numberFormat);
// 22. Let compactDisplay be ? GetOptionOfString(options, "compactDisplay", "string", « "short", "long" », "short").
property = globalConst->GetHandledCompactDisplayString();
auto compactDisplay = JSLocale::GetOptionOfString<CompactDisplayOption>(
thread, optionsObject, property, {CompactDisplayOption::SHORT, CompactDisplayOption::LONG}, {"short", "long"},
CompactDisplayOption::SHORT);
numberFormat->SetCompactDisplay(compactDisplay);
// Trans NotationOption to ICU Noation and set to icuNumberFormatter
if (notation == NotationOption::COMPACT) {
switch (compactDisplay) {
case CompactDisplayOption::SHORT:
icuNumberFormatter = icuNumberFormatter.notation(icu::number::Notation::compactShort());
break;
case CompactDisplayOption::LONG:
icuNumberFormatter = icuNumberFormatter.notation(icu::number::Notation::compactLong());
break;
default:
break;
}
}
switch (notation) {
case NotationOption::STANDARD:
icuNumberFormatter = icuNumberFormatter.notation(icu::number::Notation::simple());
break;
case NotationOption::SCIENTIFIC:
icuNumberFormatter = icuNumberFormatter.notation(icu::number::Notation::scientific());
break;
case NotationOption::ENGINEERING:
icuNumberFormatter = icuNumberFormatter.notation(icu::number::Notation::engineering());
break;
default:
break;
}
// 24. Let useGrouping be ? GetOption(options, "useGrouping", "boolean", undefined, true).
property = globalConst->GetHandledUserGroupingString();
bool useGrouping = false;
[[maybe_unused]] bool find = JSLocale::GetOptionOfBool(thread, optionsObject, property, true, &useGrouping);
RETURN_IF_ABRUPT_COMPLETION(thread);
JSHandle<JSTaggedValue> useGroupingValue(thread, JSTaggedValue(useGrouping));
numberFormat->SetUseGrouping(thread, useGroupingValue);
// 25. Set numberFormat.[[UseGrouping]] to useGrouping.
if (!useGrouping) {
icuNumberFormatter = icuNumberFormatter.grouping(UNumberGroupingStrategy::UNUM_GROUPING_OFF);
}
// 26. Let signDisplay be ?
// GetOption(options, "signDisplay", "string", « "auto", "never", "always", "exceptZero" », "auto").
property = globalConst->GetHandledSignDisplayString();
auto signDisplay = JSLocale::GetOptionOfString<SignDisplayOption>(
thread, optionsObject, property,
{SignDisplayOption::AUTO, SignDisplayOption::NEVER, SignDisplayOption::ALWAYS, SignDisplayOption::EXCEPTZERO},
{"auto", "never", "always", "exceptZero"}, SignDisplayOption::AUTO);
RETURN_IF_ABRUPT_COMPLETION(thread);
numberFormat->SetSignDisplay(signDisplay);
// 27. Set numberFormat.[[SignDisplay]] to signDisplay.
// The default sign in ICU is UNUM_SIGN_AUTO which is mapped from
// SignDisplay::AUTO and CurrencySign::STANDARD so we can skip setting
// under that values for optimization.
CurrencySignOption currencySign = numberFormat->GetCurrencySign();
// Trans SignDisPlayOption to ICU UNumberSignDisplay and set to icuNumberFormatter
switch (signDisplay) {
case SignDisplayOption::AUTO:
// if CurrencySign is ACCOUNTING, Use the locale-dependent accounting format on negative numbers
if (currencySign == CurrencySignOption::ACCOUNTING) {
icuNumberFormatter = icuNumberFormatter.sign(UNumberSignDisplay::UNUM_SIGN_ACCOUNTING);
} else {
icuNumberFormatter = icuNumberFormatter.sign(UNumberSignDisplay::UNUM_SIGN_AUTO);
}
break;
case SignDisplayOption::NEVER:
icuNumberFormatter = icuNumberFormatter.sign(UNumberSignDisplay::UNUM_SIGN_NEVER);
break;
case SignDisplayOption::ALWAYS:
// if CurrencySign is ACCOUNTING, Use the locale-dependent accounting format on negative numbers
if (currencySign == CurrencySignOption::ACCOUNTING) {
icuNumberFormatter = icuNumberFormatter.sign(UNumberSignDisplay::UNUM_SIGN_ACCOUNTING_ALWAYS);
} else {
icuNumberFormatter = icuNumberFormatter.sign(UNumberSignDisplay::UNUM_SIGN_ALWAYS);
}
break;
case SignDisplayOption::EXCEPTZERO:
// if CurrencySign is ACCOUNTING, Use the locale-dependent accounting format on negative numbers
if (currencySign == CurrencySignOption::ACCOUNTING) {
icuNumberFormatter = icuNumberFormatter.sign(UNumberSignDisplay::UNUM_SIGN_ACCOUNTING_EXCEPT_ZERO);
} else {
icuNumberFormatter = icuNumberFormatter.sign(UNumberSignDisplay::UNUM_SIGN_EXCEPT_ZERO);
}
break;
default:
break;
}
// Set numberFormat.[[IcuNumberForma]] to handleNumberFormatter
factory->NewJSIntlIcuData(numberFormat, icuNumberFormatter, JSNumberFormat::FreeIcuNumberformat);
// Set numberFormat.[[BoundFormat]] to undefinedValue
numberFormat->SetBoundFormat(thread, undefinedValue);
}
// 12.1.3 CurrencyDigits ( currency )
int32_t JSNumberFormat::CurrencyDigits(const icu::UnicodeString &currency)
{
UErrorCode status = U_ZERO_ERROR;
// If the ISO 4217 currency and funds code list contains currency as an alphabetic code,
// return the minor unit value corresponding to the currency from the list; otherwise, return 2.
int32_t fractionDigits =
ucurr_getDefaultFractionDigits(reinterpret_cast<const UChar *>(currency.getBuffer()), &status);
if (U_SUCCESS(status)) {
return fractionDigits;
}
return DEFAULT_FRACTION_DIGITS;
}
// 12.1.8 FormatNumeric( numberFormat, x )
JSHandle<JSTaggedValue> JSNumberFormat::FormatNumeric(JSThread *thread, const JSHandle<JSNumberFormat> &numberFormat,
JSTaggedValue x)
{
icu::number::LocalizedNumberFormatter *icuNumberFormat = numberFormat->GetIcuCallTarget();
ASSERT(icuNumberFormat != nullptr);
UErrorCode status = U_ZERO_ERROR;
icu::number::FormattedNumber formattedNumber;
if (x.IsBigInt()) {
JSHandle<BigInt> bigint(thread, x);
JSHandle<EcmaString> bigintStr = BigInt::ToString(thread, bigint);
std::string stdString = bigintStr->GetCString().get();
formattedNumber = icuNumberFormat->formatDecimal(icu::StringPiece(stdString), status);
} else {
double number = x.GetNumber();
formattedNumber = icuNumberFormat->formatDouble(number, status);
}
if (U_FAILURE(status)) {
JSHandle<JSTaggedValue> errorResult(thread, JSTaggedValue::Exception());
THROW_RANGE_ERROR_AND_RETURN(thread, "icu formatter format failed", errorResult);
}
icu::UnicodeString result = formattedNumber.toString(status);
if (U_FAILURE(status)) {
JSHandle<JSTaggedValue> errorResult(thread, JSTaggedValue::Exception());
THROW_RANGE_ERROR_AND_RETURN(thread, "formatted number toString failed", errorResult);
}
JSHandle<EcmaString> stringValue = JSLocale::IcuToString(thread, result);
return JSHandle<JSTaggedValue>::Cast(stringValue);
}
void GroupToParts(JSThread *thread, const icu::number::FormattedNumber &formatted, const JSHandle<JSArray> &receiver,
const JSHandle<JSNumberFormat> &numberFormat, JSTaggedValue x)
{
UErrorCode status = U_ZERO_ERROR;
icu::UnicodeString formattedText = formatted.toString(status);
if (U_FAILURE(status)) { // NOLINT(readability-implicit-bool-conversion)
THROW_TYPE_ERROR(thread, "formattedNumber toString failed");
}
ASSERT(x.IsNumber());
StyleOption styleOption = numberFormat->GetStyle();
icu::ConstrainedFieldPosition cfpo;
// Set constrainCategory to UFIELD_CATEGORY_NUMBER which is specified for UNumberFormatFields
cfpo.constrainCategory(UFIELD_CATEGORY_NUMBER);
auto globalConst = thread->GlobalConstants();
JSMutableHandle<JSTaggedValue> typeString(thread, JSTaggedValue::Undefined());
int index = 0;
int previousLimit = 0;
/**
* From ICU header file document @unumberformatter.h
* Sets a constraint on the field category.
*
* When this instance of ConstrainedFieldPosition is passed to FormattedValue#nextPosition,
* positions are skipped unless they have the given category.
*
* Any previously set constraints are cleared.
*
* For example, to loop over only the number-related fields:
*
* ConstrainedFieldPosition cfpo;
* cfpo.constrainCategory(UFIELDCATEGORY_NUMBER_FORMAT);
* while (fmtval.nextPosition(cfpo, status)) {
* // handle the number-related field position
* }
*/
bool lastFieldGroup = false;
int groupLeapLength = 0;
while (formatted.nextPosition(cfpo, status)) {
int32_t fieldId = cfpo.getField();
int32_t start = cfpo.getStart();
int32_t limit = cfpo.getLimit();
typeString.Update(globalConst->GetLiteralString());
// If start greater than previousLimit, means a literal type exists before number fields
// so add a literal type with value of formattedText.sub(0, start)
// Special case when fieldId is UNUM_GROUPING_SEPARATOR_FIELD
if (static_cast<UNumberFormatFields>(fieldId) == UNUM_GROUPING_SEPARATOR_FIELD) {
JSHandle<EcmaString> substring = JSLocale::IcuToString(thread, formattedText, previousLimit, start);
typeString.Update(globalConst->GetIntegerString());
JSLocale::PutElement(thread, index, receiver, typeString, JSHandle<JSTaggedValue>::Cast(substring));
RETURN_IF_ABRUPT_COMPLETION(thread);
index++;
{
typeString.Update(JSLocale::GetNumberFieldType(thread, x, fieldId).GetTaggedValue());
substring = JSLocale::IcuToString(thread, formattedText, start, limit);
JSLocale::PutElement(thread, index, receiver, typeString, JSHandle<JSTaggedValue>::Cast(substring));
RETURN_IF_ABRUPT_COMPLETION(thread);
index++;
}
lastFieldGroup = true;
groupLeapLength = start - previousLimit + 1;
previousLimit = limit;
continue;
} else if (start > previousLimit) {
JSHandle<EcmaString> substring = JSLocale::IcuToString(thread, formattedText, previousLimit, start);
JSLocale::PutElement(thread, index, receiver, typeString, JSHandle<JSTaggedValue>::Cast(substring));
RETURN_IF_ABRUPT_COMPLETION(thread);
index++;
}
if (lastFieldGroup) {
start = start + groupLeapLength;
lastFieldGroup = false;
}
// Special case in ICU when style is unit and unit is percent
if (styleOption == StyleOption::UNIT && static_cast<UNumberFormatFields>(fieldId) == UNUM_PERCENT_FIELD) {
typeString.Update(globalConst->GetUnitString());
} else {
typeString.Update(JSLocale::GetNumberFieldType(thread, x, fieldId).GetTaggedValue());
}
JSHandle<EcmaString> substring = JSLocale::IcuToString(thread, formattedText, start, limit);
JSLocale::PutElement(thread, index, receiver, typeString, JSHandle<JSTaggedValue>::Cast(substring));
RETURN_IF_ABRUPT_COMPLETION(thread);
index++;
previousLimit = limit;
}
// If iterated length is smaller than formattedText.length, means a literal type exists after number fields
// so add a literal type with value of formattedText.sub(previousLimit, formattedText.length)
if (formattedText.length() > previousLimit) {
typeString.Update(globalConst->GetLiteralString());
JSHandle<EcmaString> substring =
JSLocale::IcuToString(thread, formattedText, previousLimit, formattedText.length());
JSLocale::PutElement(thread, index, receiver, typeString, JSHandle<JSTaggedValue>::Cast(substring));
}
}
// 12.1.9 FormatNumericToParts( numberFormat, x )
JSHandle<JSArray> JSNumberFormat::FormatNumericToParts(JSThread *thread, const JSHandle<JSNumberFormat> &numberFormat,
JSTaggedValue x)
{
ASSERT(x.IsNumber());
icu::number::LocalizedNumberFormatter *icuNumberFormatter = numberFormat->GetIcuCallTarget();
ASSERT(icuNumberFormatter != nullptr);
UErrorCode status = U_ZERO_ERROR;
double number = x.GetNumber();
icu::number::FormattedNumber formattedNumber = icuNumberFormatter->formatDouble(number, status);
if (U_FAILURE(status)) {
ObjectFactory *factory = thread->GetEcmaVM()->GetFactory();
JSHandle<JSArray> emptyArray = factory->NewJSArray();
THROW_RANGE_ERROR_AND_RETURN(thread, "icu formatter format failed", emptyArray);
}
JSHandle<JSTaggedValue> arr = JSArray::ArrayCreate(thread, JSTaggedNumber(0));
JSHandle<JSArray> result = JSHandle<JSArray>::Cast(arr);
GroupToParts(thread, formattedNumber, result, numberFormat, x);
RETURN_HANDLE_IF_ABRUPT_COMPLETION(JSArray, thread);
return result;
}
// 12.1.12 UnwrapNumberFormat( nf )
JSHandle<JSTaggedValue> JSNumberFormat::UnwrapNumberFormat(JSThread *thread, const JSHandle<JSTaggedValue> &nf)
{
// 1. Assert: Type(nf) is Object.
ASSERT(nf->IsJSObject());
// 2. If nf does not have an [[InitializedNumberFormat]] internal slot and ?
// InstanceofOperator(nf, %NumberFormat%) is true, then Let nf be ? Get(nf, %Intl%.[[FallbackSymbol]]).
JSHandle<GlobalEnv> env = thread->GetEcmaVM()->GetGlobalEnv();
bool hasInstance = JSObject::InstanceOf(thread, nf, env->GetNumberFormatFunction());
RETURN_VALUE_IF_ABRUPT_COMPLETION(thread, JSHandle<JSTaggedValue>(thread, JSTaggedValue::Undefined()));
bool isJSNumberFormat = nf->IsJSNumberFormat();
// If nf does not have an [[InitializedNumberFormat]] internal slot and ?
// InstanceofOperator(nf, %NumberFormat%) is true, then
// a. Let nf be ? Get(nf, %Intl%.[[FallbackSymbol]]).
if (!isJSNumberFormat && hasInstance) {
JSHandle<JSTaggedValue> key(thread, JSHandle<JSIntl>::Cast(env->GetIntlFunction())->GetFallbackSymbol());
OperationResult operationResult = JSTaggedValue::GetProperty(thread, nf, key);
RETURN_VALUE_IF_ABRUPT_COMPLETION(thread, JSHandle<JSTaggedValue>(thread, JSTaggedValue::Undefined()));
return operationResult.GetValue();
}
// 3. Perform ? RequireInternalSlot(nf, [[InitializedNumberFormat]]).
if (!isJSNumberFormat) {
THROW_TYPE_ERROR_AND_RETURN(thread, "this is not object",
JSHandle<JSTaggedValue>(thread, JSTaggedValue::Exception()));
}
return nf;
}
JSHandle<TaggedArray> JSNumberFormat::GetAvailableLocales(JSThread *thread)
{
JSHandle<GlobalEnv> env = thread->GetEcmaVM()->GetGlobalEnv();
JSHandle<JSTaggedValue> numberFormatLocales = env->GetNumberFormatLocales();
if (!numberFormatLocales->IsUndefined()) {
return JSHandle<TaggedArray>::Cast(numberFormatLocales);
}
const char *key = "NumberElements";
const char *path = nullptr;
JSHandle<TaggedArray> availableLocales = JSLocale::GetAvailableLocales(thread, key, path);
env->SetNumberFormatLocales(thread, availableLocales);
return availableLocales;
}
void JSNumberFormat::ResolvedOptions(JSThread *thread, const JSHandle<JSNumberFormat> &numberFormat,
const JSHandle<JSObject> &options)
{
// Table 5: Resolved Options of NumberFormat Instances
// Internal Slot Property
// [[Locale]] "locale"
// [[NumberingSystem]] "numberingSystem"
// [[Style]] "style"
// [[Currency]] "currency"
// [[CurrencyDisplay]] "currencyDisplay"
// [[CurrencySign]] "currencySign"
// [[Unit]] "unit"
// [[UnitDisplay]] "unitDisplay"
// [[MinimumIntegerDigits]] "minimumIntegerDigits"
// [[MinimumFractionDigits]] "minimumFractionDigits"
// [[MaximumFractionDigits]] "maximumFractionDigits"
// [[MinimumSignificantDigits]] "minimumSignificantDigits"
// [[MaximumSignificantDigits]] "maximumSignificantDigits"
// [[UseGrouping]] "useGrouping"
// [[Notation]] "notation"
// [[CompactDisplay]] "compactDisplay"
// [SignDisplay]] "signDisplay"
// [[Locale]]
auto globalConst = thread->GlobalConstants();
JSHandle<JSTaggedValue> property = globalConst->GetHandledLocaleString();
JSHandle<JSTaggedValue> locale(thread, numberFormat->GetLocale());
JSObject::CreateDataPropertyOrThrow(thread, options, property, locale);
// [[NumberingSystem]]
JSHandle<JSTaggedValue> numberingSystem(thread, numberFormat->GetNumberingSystem());
if (numberingSystem->IsUndefined()) {
numberingSystem = globalConst->GetHandledLatnString();
}
property = globalConst->GetHandledNumberingSystemString();
JSObject::CreateDataPropertyOrThrow(thread, options, property, numberingSystem);
// [[Style]]
StyleOption style = numberFormat->GetStyle();
property = globalConst->GetHandledStyleString();
JSHandle<JSTaggedValue> styleString = OptionToEcmaString(thread, style);
JSObject::CreateDataPropertyOrThrow(thread, options, property, styleString);
// [[currency]]
JSHandle<JSTaggedValue> currency(thread, JSTaggedValue::Undefined());
// If style is not currency the currency should be undefined
if (style == StyleOption::CURRENCY) {
currency = JSHandle<JSTaggedValue>(thread, numberFormat->GetCurrency());
}
if (!currency->IsUndefined()) { // NOLINT(readability-implicit-bool-conversion)
property = globalConst->GetHandledCurrencyString();
JSObject::CreateDataPropertyOrThrow(thread, options, property, currency);
// [[CurrencyDisplay]]
property = globalConst->GetHandledCurrencyDisplayString();
CurrencyDisplayOption currencyDisplay = numberFormat->GetCurrencyDisplay();
JSHandle<JSTaggedValue> currencyDisplayString = OptionToEcmaString(thread, currencyDisplay);
JSObject::CreateDataPropertyOrThrow(thread, options, property, currencyDisplayString);
// [[CurrencySign]]
property = globalConst->GetHandledCurrencySignString();
CurrencySignOption currencySign = numberFormat->GetCurrencySign();
JSHandle<JSTaggedValue> currencySignString = OptionToEcmaString(thread, currencySign);
JSObject::CreateDataPropertyOrThrow(thread, options, property, currencySignString);
}
if (style == StyleOption::UNIT) {
JSHandle<JSTaggedValue> unit(thread, numberFormat->GetUnit());
if (!unit->IsUndefined()) {
// [[Unit]]
property = globalConst->GetHandledUnitString();
JSObject::CreateDataPropertyOrThrow(thread, options, property, unit);
}
// [[UnitDisplay]]
property = globalConst->GetHandledUnitDisplayString();
UnitDisplayOption unitDisplay = numberFormat->GetUnitDisplay();
JSHandle<JSTaggedValue> unitDisplayString = OptionToEcmaString(thread, unitDisplay);
JSObject::CreateDataPropertyOrThrow(thread, options, property, unitDisplayString);
}
// [[MinimumIntegerDigits]]
property = globalConst->GetHandledMinimumIntegerDigitsString();
JSHandle<JSTaggedValue> minimumIntegerDigits(thread, numberFormat->GetMinimumIntegerDigits());
JSObject::CreateDataPropertyOrThrow(thread, options, property, minimumIntegerDigits);
RoundingType roundingType = numberFormat->GetRoundingType();
if (roundingType == RoundingType::SIGNIFICANTDIGITS) {
// [[MinimumSignificantDigits]]
property = globalConst->GetHandledMinimumSignificantDigitsString();
JSHandle<JSTaggedValue> minimumSignificantDigits(thread, numberFormat->GetMinimumSignificantDigits());
JSObject::CreateDataPropertyOrThrow(thread, options, property, minimumSignificantDigits);
// [[MaximumSignificantDigits]]
property = globalConst->GetHandledMaximumSignificantDigitsString();
JSHandle<JSTaggedValue> maximumSignificantDigits(thread, numberFormat->GetMaximumSignificantDigits());
JSObject::CreateDataPropertyOrThrow(thread, options, property, maximumSignificantDigits);
} else {
// [[MinimumFractionDigits]]
property = globalConst->GetHandledMinimumFractionDigitsString();
JSHandle<JSTaggedValue> minimumFractionDigits(thread, numberFormat->GetMinimumFractionDigits());
JSObject::CreateDataPropertyOrThrow(thread, options, property, minimumFractionDigits);
// [[MaximumFractionDigits]]
property = globalConst->GetHandledMaximumFractionDigitsString();
JSHandle<JSTaggedValue> maximumFractionDigits(thread, numberFormat->GetMaximumFractionDigits());
JSObject::CreateDataPropertyOrThrow(thread, options, property, maximumFractionDigits);
}
// [[UseGrouping]]
property = globalConst->GetHandledUserGroupingString();
JSObject::CreateDataPropertyOrThrow(thread, options, property,
JSHandle<JSTaggedValue>(thread, numberFormat->GetUseGrouping()));
// [[Notation]]
property = globalConst->GetHandledNotationString();
NotationOption notation = numberFormat->GetNotation();
JSHandle<JSTaggedValue> notationString = OptionToEcmaString(thread, notation);
JSObject::CreateDataPropertyOrThrow(thread, options, property, notationString);
// Only output compactDisplay when notation is compact.
if (notation == NotationOption::COMPACT) {
// [[CompactDisplay]]
property = globalConst->GetHandledCompactDisplayString();
CompactDisplayOption compactDisplay = numberFormat->GetCompactDisplay();
JSHandle<JSTaggedValue> compactDisplayString = OptionToEcmaString(thread, compactDisplay);
JSObject::CreateDataPropertyOrThrow(thread, options, property, compactDisplayString);
}
// [[SignDisplay]]
property = globalConst->GetHandledSignDisplayString();
SignDisplayOption signDisplay = numberFormat->GetSignDisplay();
JSHandle<JSTaggedValue> signDisplayString = OptionToEcmaString(thread, signDisplay);
JSObject::CreateDataPropertyOrThrow(thread, options, property, signDisplayString);
}
} // namespace panda::ecmascript