1 // Copyright 2019 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_DISPLAY_NAMES_H_ 10 #define V8_OBJECTS_JS_DISPLAY_NAMES_H_ 11 12 #include <set> 13 #include <string> 14 15 #include "src/execution/isolate.h" 16 #include "src/heap/factory.h" 17 #include "src/objects/managed.h" 18 #include "src/objects/objects.h" 19 20 // Has to be the last include (doesn't have include guards): 21 #include "src/objects/object-macros.h" 22 23 namespace v8 { 24 namespace internal { 25 26 class DisplayNamesInternal; 27 28 #include "torque-generated/src/objects/js-display-names-tq.inc" 29 30 class JSDisplayNames 31 : public TorqueGeneratedJSDisplayNames<JSDisplayNames, JSObject> { 32 public: 33 // Creates display names object with properties derived from input 34 // locales and options. 35 static MaybeHandle<JSDisplayNames> New(Isolate* isolate, Handle<Map> map, 36 Handle<Object> locales, 37 Handle<Object> options); 38 39 static Handle<JSObject> ResolvedOptions(Isolate* isolate, 40 Handle<JSDisplayNames> format_holder); 41 42 static MaybeHandle<Object> Of(Isolate* isolate, Handle<JSDisplayNames> holder, 43 Handle<Object> code_obj); 44 45 V8_EXPORT_PRIVATE static const std::set<std::string>& GetAvailableLocales(); 46 47 Handle<String> StyleAsString() const; 48 Handle<String> FallbackAsString() const; 49 50 // Style: identifying the display names style used. 51 // 52 // ecma402/#sec-properties-of-intl-displaynames-instances 53 enum class Style { 54 kLong, // Everything spelled out. 55 kShort, // Abbreviations used when possible. 56 kNarrow // Use the shortest possible form. 57 }; 58 inline void set_style(Style style); 59 inline Style style() const; 60 61 // Type: identifying the fallback of the display names. 62 // 63 // ecma402/#sec-properties-of-intl-displaynames-instances 64 enum class Fallback { 65 kCode, 66 kNone, 67 }; 68 inline void set_fallback(Fallback fallback); 69 inline Fallback fallback() const; 70 71 // Bit positions in |flags|. 72 DEFINE_TORQUE_GENERATED_JS_DISPLAY_NAMES_FLAGS() 73 74 STATIC_ASSERT(Style::kLong <= StyleBits::kMax); 75 STATIC_ASSERT(Style::kShort <= StyleBits::kMax); 76 STATIC_ASSERT(Style::kNarrow <= StyleBits::kMax); 77 STATIC_ASSERT(Fallback::kCode <= FallbackBit::kMax); 78 STATIC_ASSERT(Fallback::kNone <= FallbackBit::kMax); 79 80 DECL_ACCESSORS(internal, Managed<DisplayNamesInternal>) 81 82 DECL_PRINTER(JSDisplayNames) 83 84 TQ_OBJECT_CONSTRUCTORS(JSDisplayNames) 85 }; 86 87 } // namespace internal 88 } // namespace v8 89 90 #include "src/objects/object-macros-undef.h" 91 92 #endif // V8_OBJECTS_JS_DISPLAY_NAMES_H_ 93