| // Copyright 2018 the V8 project authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef V8_INTL_SUPPORT |
| #error Internationalization is expected to be enabled. |
| #endif // V8_INTL_SUPPORT |
| |
| #ifndef V8_OBJECTS_JS_LOCALE_H_ |
| #define V8_OBJECTS_JS_LOCALE_H_ |
| |
| #include "src/global-handles.h" |
| #include "src/heap/factory.h" |
| #include "src/isolate.h" |
| #include "src/objects.h" |
| #include "unicode/unistr.h" |
| |
| // Has to be the last include (doesn't have include guards): |
| #include "src/objects/object-macros.h" |
| |
| namespace v8 { |
| namespace internal { |
| |
| class JSLocale : public JSObject { |
| public: |
| // Initializes locale object with properties derived from input locale string |
| // and options. |
| static MaybeHandle<JSLocale> Initialize(Isolate* isolate, |
| Handle<JSLocale> locale_holder, |
| Handle<String> locale, |
| Handle<JSReceiver> options); |
| static Handle<String> Maximize(Isolate* isolate, String locale); |
| static Handle<String> Minimize(Isolate* isolate, String locale); |
| |
| Handle<String> CaseFirstAsString() const; |
| Handle<String> NumericAsString() const; |
| Handle<String> HourCycleAsString() const; |
| |
| DECL_CAST2(JSLocale) |
| |
| // Locale accessors. |
| DECL_ACCESSORS(language, Object) |
| DECL_ACCESSORS(script, Object) |
| DECL_ACCESSORS(region, Object) |
| DECL_ACCESSORS(base_name, Object) |
| DECL_ACCESSORS2(locale, String) |
| |
| // Unicode extension accessors. |
| DECL_ACCESSORS(calendar, Object) |
| DECL_ACCESSORS(collation, Object) |
| DECL_ACCESSORS(numbering_system, Object) |
| |
| // CaseFirst: "kf" |
| // |
| // ecma402 #sec-Intl.Locale.prototype.caseFirst |
| enum class CaseFirst { |
| UPPER, // upper case sorts before lower case |
| LOWER, // lower case sorts before upper case |
| // (compiler does not like FALSE so we have to name it FALSE_VALUE) |
| FALSE_VALUE, // Turn the feature off |
| COUNT |
| }; |
| inline void set_case_first(CaseFirst case_first); |
| inline CaseFirst case_first() const; |
| |
| // Numeric: 'kn" |
| // |
| // ecma402 #sec-Intl.Locale.prototype.numeric |
| enum class Numeric { NOTSET, TRUE_VALUE, FALSE_VALUE, COUNT }; |
| inline void set_numeric(Numeric numeric); |
| inline Numeric numeric() const; |
| |
| // CaseFirst: "hc" |
| // |
| // ecma402 #sec-Intl.Locale.prototype.hourCycle |
| enum class HourCycle { |
| H11, // 12-hour format start with hour 0 and go up to 11. |
| H12, // 12-hour format start with hour 1 and go up to 12. |
| H23, // 24-hour format start with hour 0 and go up to 23. |
| H24, // 24-hour format start with hour 1 and go up to 24. |
| COUNT |
| }; |
| inline void set_hour_cycle(HourCycle hour_cycle); |
| inline HourCycle hour_cycle() const; |
| |
| // Bit positions in |flags|. |
| #define FLAGS_BIT_FIELDS(V, _) \ |
| V(CaseFirstBits, CaseFirst, 2, _) \ |
| V(NumericBits, Numeric, 2, _) \ |
| V(HourCycleBits, HourCycle, 2, _) |
| DEFINE_BIT_FIELDS(FLAGS_BIT_FIELDS) |
| #undef FLAGS_BIT_FIELDS |
| |
| STATIC_ASSERT(CaseFirst::UPPER <= CaseFirstBits::kMax); |
| STATIC_ASSERT(CaseFirst::LOWER <= CaseFirstBits::kMax); |
| STATIC_ASSERT(CaseFirst::FALSE_VALUE <= CaseFirstBits::kMax); |
| STATIC_ASSERT(Numeric::NOTSET <= NumericBits::kMax); |
| STATIC_ASSERT(Numeric::FALSE_VALUE <= NumericBits::kMax); |
| STATIC_ASSERT(Numeric::TRUE_VALUE <= NumericBits::kMax); |
| STATIC_ASSERT(HourCycle::H11 <= HourCycleBits::kMax); |
| STATIC_ASSERT(HourCycle::H12 <= HourCycleBits::kMax); |
| STATIC_ASSERT(HourCycle::H23 <= HourCycleBits::kMax); |
| STATIC_ASSERT(HourCycle::H24 <= HourCycleBits::kMax); |
| |
| // [flags] Bit field containing various flags about the function. |
| DECL_INT_ACCESSORS(flags) |
| |
| DECL_PRINTER(JSLocale) |
| DECL_VERIFIER(JSLocale) |
| |
| // Layout description. |
| #define JS_LOCALE_FIELDS(V) \ |
| V(kJSLocaleOffset, kTaggedSize) \ |
| /* Locale fields. */ \ |
| V(kLanguageOffset, kTaggedSize) \ |
| V(kScriptOffset, kTaggedSize) \ |
| V(kRegionOffset, kTaggedSize) \ |
| V(kBaseNameOffset, kTaggedSize) \ |
| V(kLocaleOffset, kTaggedSize) \ |
| /* Unicode extension fields. */ \ |
| V(kFlagsOffset, kTaggedSize) \ |
| V(kCalendarOffset, kTaggedSize) \ |
| V(kCollationOffset, kTaggedSize) \ |
| V(kNumberingSystemOffset, kTaggedSize) \ |
| /* Header size. */ \ |
| V(kSize, 0) |
| |
| DEFINE_FIELD_OFFSET_CONSTANTS(JSObject::kHeaderSize, JS_LOCALE_FIELDS) |
| #undef JS_LOCALE_FIELDS |
| |
| OBJECT_CONSTRUCTORS(JSLocale, JSObject); |
| }; |
| |
| } // namespace internal |
| } // namespace v8 |
| |
| #include "src/objects/object-macros-undef.h" |
| |
| #endif // V8_OBJECTS_JS_LOCALE_H_ |