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/*
* Copyright (C) 2015 Andy VanWagoner (andy@vanwagoner.family)
* Copyright (C) 2019-2022 Apple Inc. All rights reserved.
* Copyright (C) 2020 Sony Interactive Entertainment Inc.
*
* 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.
*/
#pragma once
#include "JSCJSValueInlines.h"
#include "JSObject.h"
#include <wtf/RobinHoodHashSet.h>
struct UFieldPositionIterator;
namespace JSC {
extern const uint8_t ducetLevel1Weights[256];
extern const uint8_t ducetLevel3Weights[256];
enum class LocaleMatcher : uint8_t {
Lookup,
BestFit,
};
#define JSC_INTL_RELEVANT_EXTENSION_KEYS(macro) \
macro(ca, Ca) /* calendar */ \
macro(co, Co) /* collation */ \
macro(hc, Hc) /* hour-cycle */ \
macro(kf, Kf) /* case-first */ \
macro(kn, Kn) /* numeric */ \
macro(nu, Nu) /* numbering-system */ \
enum class RelevantExtensionKey : uint8_t {
#define JSC_DECLARE_INTL_RELEVANT_EXTENSION_KEYS(lowerName, capitalizedName) capitalizedName,
JSC_INTL_RELEVANT_EXTENSION_KEYS(JSC_DECLARE_INTL_RELEVANT_EXTENSION_KEYS)
#undef JSC_DECLARE_INTL_RELEVANT_EXTENSION_KEYS
};
#define JSC_COUNT_INTL_RELEVANT_EXTENSION_KEYS(lowerName, capitalizedName) + 1
static constexpr uint8_t numberOfRelevantExtensionKeys = 0 JSC_INTL_RELEVANT_EXTENSION_KEYS(JSC_COUNT_INTL_RELEVANT_EXTENSION_KEYS);
#undef JSC_COUNT_INTL_RELEVANT_EXTENSION_KEYS
struct MeasureUnit {
ASCIILiteral type;
ASCIILiteral subType;
};
extern JS_EXPORT_PRIVATE const MeasureUnit simpleUnits[45];
class IntlObject final : public JSNonFinalObject {
public:
using Base = JSNonFinalObject;
static constexpr unsigned StructureFlags = Base::StructureFlags | HasStaticPropertyTable;
template<typename CellType, SubspaceAccess>
static GCClient::IsoSubspace* subspaceFor(VM& vm)
{
STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(IntlObject, Base);
return &vm.plainObjectSpace();
}
static IntlObject* create(VM&, JSGlobalObject*, Structure*);
static Structure* createStructure(VM&, JSGlobalObject*, JSValue);
DECLARE_INFO;
private:
IntlObject(VM&, Structure*);
void finishCreation(VM&, JSGlobalObject*);
};
String defaultLocale(JSGlobalObject*);
using LocaleSet = MemoryCompactLookupOnlyRobinHoodHashSet<String>;
const LocaleSet& intlAvailableLocales();
const LocaleSet& intlCollatorAvailableLocales();
const LocaleSet& intlSegmenterAvailableLocales();
inline const LocaleSet& intlDateTimeFormatAvailableLocales() { return intlAvailableLocales(); }
inline const LocaleSet& intlDisplayNamesAvailableLocales() { return intlAvailableLocales(); }
inline const LocaleSet& intlNumberFormatAvailableLocales() { return intlAvailableLocales(); }
inline const LocaleSet& intlPluralRulesAvailableLocales() { return intlAvailableLocales(); }
inline const LocaleSet& intlRelativeTimeFormatAvailableLocales() { return intlAvailableLocales(); }
inline const LocaleSet& intlListFormatAvailableLocales() { return intlAvailableLocales(); }
inline const LocaleSet& intlDurationFormatAvailableLocales() { return intlAvailableLocales(); }
using CalendarID = unsigned;
const Vector<String>& intlAvailableCalendars();
extern CalendarID iso8601CalendarIDStorage;
CalendarID iso8601CalendarIDSlow();
inline CalendarID iso8601CalendarID()
{
unsigned value = iso8601CalendarIDStorage;
if (value == std::numeric_limits<CalendarID>::max())
return iso8601CalendarIDSlow();
return value;
}
using TimeZoneID = unsigned;
const Vector<String>& intlAvailableTimeZones();
extern TimeZoneID utcTimeZoneIDStorage;
TimeZoneID utcTimeZoneIDSlow();
CalendarID utcTimeZoneID();
TriState intlBooleanOption(JSGlobalObject*, JSObject* options, PropertyName);
String intlStringOption(JSGlobalObject*, JSObject* options, PropertyName, std::initializer_list<ASCIILiteral> values, ASCIILiteral notFound, ASCIILiteral fallback);
unsigned intlNumberOption(JSGlobalObject*, JSObject* options, PropertyName, unsigned minimum, unsigned maximum, unsigned fallback);
unsigned intlDefaultNumberOption(JSGlobalObject*, JSValue, PropertyName, unsigned minimum, unsigned maximum, unsigned fallback);
Vector<char, 32> localeIDBufferForLanguageTagWithNullTerminator(const CString&);
String languageTagForLocaleID(const char*, bool isImmortal = false);
Vector<String> canonicalizeLocaleList(JSGlobalObject*, JSValue locales);
using ResolveLocaleOptions = std::array<std::optional<String>, numberOfRelevantExtensionKeys>;
using RelevantExtensions = std::array<String, numberOfRelevantExtensionKeys>;
struct ResolvedLocale {
String locale;
String dataLocale;
RelevantExtensions extensions;
};
ResolvedLocale resolveLocale(JSGlobalObject*, const LocaleSet& availableLocales, const Vector<String>& requestedLocales, LocaleMatcher, const ResolveLocaleOptions&, std::initializer_list<RelevantExtensionKey> relevantExtensionKeys, Vector<String> (*localeData)(const String&, RelevantExtensionKey));
JSValue supportedLocales(JSGlobalObject*, const LocaleSet& availableLocales, const Vector<String>& requestedLocales, JSValue options);
String removeUnicodeLocaleExtension(const String& locale);
String bestAvailableLocale(const LocaleSet& availableLocales, const String& requestedLocale);
template<typename Predicate> String bestAvailableLocale(const String& requestedLocale, Predicate);
Vector<String> numberingSystemsForLocale(const String& locale);
Vector<char, 32> canonicalizeUnicodeExtensionsAfterICULocaleCanonicalization(Vector<char, 32>&&);
bool isUnicodeLocaleIdentifierType(StringView);
bool isUnicodeLanguageSubtag(StringView);
bool isUnicodeScriptSubtag(StringView);
bool isUnicodeRegionSubtag(StringView);
bool isUnicodeVariantSubtag(StringView);
bool isUnicodeLanguageId(StringView);
bool isStructurallyValidLanguageTag(StringView);
String canonicalizeUnicodeLocaleID(const CString& languageTag);
bool isWellFormedCurrencyCode(StringView);
std::optional<Vector<char, 32>> canonicalizeLocaleIDWithoutNullTerminator(const char* localeID);
struct UFieldPositionIteratorDeleter {
void operator()(UFieldPositionIterator*) const;
};
std::optional<String> mapICUCollationKeywordToBCP47(const String&);
std::optional<String> mapICUCalendarKeywordToBCP47(const String&);
std::optional<String> mapBCP47ToICUCalendarKeyword(const String&);
inline CalendarID utcTimeZoneID()
{
unsigned value = utcTimeZoneIDStorage;
if (value == std::numeric_limits<TimeZoneID>::max())
return utcTimeZoneIDSlow();
return value;
}
} // namespace JSC
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