1 // Copyright 2018 the V8 project authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef V8_INTL_SUPPORT 6 #error Internationalization is expected to be enabled. 7 #endif // V8_INTL_SUPPORT 8 9 #ifndef V8_OBJECTS_JS_LOCALE_H_ 10 #define V8_OBJECTS_JS_LOCALE_H_ 11 12 #include "src/execution/isolate.h" 13 #include "src/handles/global-handles.h" 14 #include "src/heap/factory.h" 15 #include "src/objects/managed.h" 16 #include "src/objects/objects.h" 17 18 // Has to be the last include (doesn't have include guards): 19 #include "src/objects/object-macros.h" 20 21 namespace U_ICU_NAMESPACE { 22 class Locale; 23 } 24 25 namespace v8 { 26 namespace internal { 27 28 class JSLocale : public JSObject { 29 public: 30 // Creates locale object with properties derived from input locale string 31 // and options. 32 static MaybeHandle<JSLocale> New(Isolate* isolate, Handle<Map> map, 33 Handle<String> locale, 34 Handle<JSReceiver> options); 35 static Handle<String> Maximize(Isolate* isolate, String locale); 36 static Handle<String> Minimize(Isolate* isolate, String locale); 37 38 static Handle<Object> Language(Isolate* isolate, Handle<JSLocale> locale); 39 static Handle<Object> Script(Isolate* isolate, Handle<JSLocale> locale); 40 static Handle<Object> Region(Isolate* isolate, Handle<JSLocale> locale); 41 static Handle<String> BaseName(Isolate* isolate, Handle<JSLocale> locale); 42 static Handle<Object> Calendar(Isolate* isolate, Handle<JSLocale> locale); 43 static Handle<Object> CaseFirst(Isolate* isolate, Handle<JSLocale> locale); 44 static Handle<Object> Collation(Isolate* isolate, Handle<JSLocale> locale); 45 static Handle<Object> HourCycle(Isolate* isolate, Handle<JSLocale> locale); 46 static Handle<Object> Numeric(Isolate* isolate, Handle<JSLocale> locale); 47 static Handle<Object> NumberingSystem(Isolate* isolate, 48 Handle<JSLocale> locale); 49 static Handle<String> ToString(Isolate* isolate, Handle<JSLocale> locale); 50 static std::string ToString(Handle<JSLocale> locale); 51 52 // Help function to validate locale by other Intl objects. 53 static bool StartsWithUnicodeLanguageId(const std::string& value); 54 55 // Help function to check well-formed 56 // "(3*8alphanum) *("-" (3*8alphanum)) sequence" sequence 57 static bool Is38AlphaNumList(const std::string& value); 58 59 // Help function to check well-formed "3alpha" 60 static bool Is3Alpha(const std::string& value); 61 62 DECL_CAST(JSLocale) 63 64 DECL_ACCESSORS(icu_locale, Managed<icu::Locale>) 65 66 DECL_PRINTER(JSLocale) 67 DECL_VERIFIER(JSLocale) 68 69 // Layout description. 70 DEFINE_FIELD_OFFSET_CONSTANTS(JSObject::kHeaderSize, 71 TORQUE_GENERATED_JS_LOCALE_FIELDS) 72 73 OBJECT_CONSTRUCTORS(JSLocale, JSObject); 74 }; 75 76 } // namespace internal 77 } // namespace v8 78 79 #include "src/objects/object-macros-undef.h" 80 81 #endif // V8_OBJECTS_JS_LOCALE_H_ 82