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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 }  // namespace U_ICU_NAMESPACE
24 
25 namespace v8 {
26 namespace internal {
27 
28 #include "torque-generated/src/objects/js-locale-tq.inc"
29 
30 class JSLocale : public TorqueGeneratedJSLocale<JSLocale, JSObject> {
31  public:
32   // Creates locale object with properties derived from input locale string
33   // and options.
34   static MaybeHandle<JSLocale> New(Isolate* isolate, Handle<Map> map,
35                                    Handle<String> locale,
36                                    Handle<JSReceiver> options);
37 
38   static MaybeHandle<JSLocale> Maximize(Isolate* isolate,
39                                         Handle<JSLocale> locale);
40   static MaybeHandle<JSLocale> Minimize(Isolate* isolate,
41                                         Handle<JSLocale> locale);
42 
43   static Handle<Object> Language(Isolate* isolate, Handle<JSLocale> locale);
44   static Handle<Object> Script(Isolate* isolate, Handle<JSLocale> locale);
45   static Handle<Object> Region(Isolate* isolate, Handle<JSLocale> locale);
46   static Handle<String> BaseName(Isolate* isolate, Handle<JSLocale> locale);
47   static Handle<Object> Calendar(Isolate* isolate, Handle<JSLocale> locale);
48   static Handle<Object> CaseFirst(Isolate* isolate, Handle<JSLocale> locale);
49   static Handle<Object> Collation(Isolate* isolate, Handle<JSLocale> locale);
50   static Handle<Object> HourCycle(Isolate* isolate, Handle<JSLocale> locale);
51   static Handle<Object> Numeric(Isolate* isolate, Handle<JSLocale> locale);
52   static Handle<Object> NumberingSystem(Isolate* isolate,
53                                         Handle<JSLocale> locale);
54   static Handle<String> ToString(Isolate* isolate, Handle<JSLocale> locale);
55   static std::string ToString(Handle<JSLocale> locale);
56 
57   // Help function to validate locale by other Intl objects.
58   static bool StartsWithUnicodeLanguageId(const std::string& value);
59 
60   // Help function to check well-formed
61   // "(3*8alphanum) *("-" (3*8alphanum)) sequence" sequence
62   static bool Is38AlphaNumList(const std::string& value);
63 
64   // Help function to check well-formed "3alpha"
65   static bool Is3Alpha(const std::string& value);
66 
67   DECL_ACCESSORS(icu_locale, Managed<icu::Locale>)
68 
69   DECL_PRINTER(JSLocale)
70 
71   TQ_OBJECT_CONSTRUCTORS(JSLocale)
72 };
73 
74 }  // namespace internal
75 }  // namespace v8
76 
77 #include "src/objects/object-macros-undef.h"
78 
79 #endif  // V8_OBJECTS_JS_LOCALE_H_
80