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_RELATIVE_TIME_FORMAT_H_ 10 #define V8_OBJECTS_JS_RELATIVE_TIME_FORMAT_H_ 11 12 #include <set> 13 #include <string> 14 15 #include "src/base/bit-field.h" 16 #include "src/execution/isolate.h" 17 #include "src/heap/factory.h" 18 #include "src/objects/managed.h" 19 #include "src/objects/objects.h" 20 #include "unicode/uversion.h" 21 22 // Has to be the last include (doesn't have include guards): 23 #include "src/objects/object-macros.h" 24 25 namespace U_ICU_NAMESPACE { 26 class RelativeDateTimeFormatter; 27 } // namespace U_ICU_NAMESPACE 28 29 namespace v8 { 30 namespace internal { 31 32 #include "torque-generated/src/objects/js-relative-time-format-tq.inc" 33 34 class JSRelativeTimeFormat 35 : public TorqueGeneratedJSRelativeTimeFormat<JSRelativeTimeFormat, 36 JSObject> { 37 public: 38 // Creates relative time format object with properties derived from input 39 // locales and options. 40 V8_WARN_UNUSED_RESULT static MaybeHandle<JSRelativeTimeFormat> New( 41 Isolate* isolate, Handle<Map> map, Handle<Object> locales, 42 Handle<Object> options); 43 44 V8_WARN_UNUSED_RESULT static Handle<JSObject> ResolvedOptions( 45 Isolate* isolate, Handle<JSRelativeTimeFormat> format_holder); 46 47 Handle<String> NumericAsString() const; 48 49 // ecma402/#sec-Intl.RelativeTimeFormat.prototype.format 50 V8_WARN_UNUSED_RESULT static MaybeHandle<String> Format( 51 Isolate* isolate, Handle<Object> value_obj, Handle<Object> unit_obj, 52 Handle<JSRelativeTimeFormat> format); 53 54 // ecma402/#sec-Intl.RelativeTimeFormat.prototype.formatToParts 55 V8_WARN_UNUSED_RESULT static MaybeHandle<JSArray> FormatToParts( 56 Isolate* isolate, Handle<Object> value_obj, Handle<Object> unit_obj, 57 Handle<JSRelativeTimeFormat> format); 58 59 V8_EXPORT_PRIVATE static const std::set<std::string>& GetAvailableLocales(); 60 61 // RelativeTimeFormat accessors. 62 DECL_ACCESSORS(icu_formatter, Managed<icu::RelativeDateTimeFormatter>) 63 64 // Numeric: identifying whether numerical descriptions are always used, or 65 // used only when no more specific version is available (e.g., "1 day ago" vs 66 // "yesterday"). 67 // 68 // ecma402/#sec-properties-of-intl-relativetimeformat-instances 69 enum class Numeric { 70 ALWAYS, // numerical descriptions are always used ("1 day ago") 71 AUTO // numerical descriptions are used only when no more specific 72 // version is available ("yesterday") 73 }; 74 inline void set_numeric(Numeric numeric); 75 inline Numeric numeric() const; 76 77 // Bit positions in |flags|. 78 DEFINE_TORQUE_GENERATED_JS_RELATIVE_TIME_FORMAT_FLAGS() 79 80 STATIC_ASSERT(Numeric::AUTO <= NumericBit::kMax); 81 STATIC_ASSERT(Numeric::ALWAYS <= NumericBit::kMax); 82 83 DECL_PRINTER(JSRelativeTimeFormat) 84 85 TQ_OBJECT_CONSTRUCTORS(JSRelativeTimeFormat) 86 }; 87 88 } // namespace internal 89 } // namespace v8 90 91 #include "src/objects/object-macros-undef.h" 92 93 #endif // V8_OBJECTS_JS_RELATIVE_TIME_FORMAT_H_ 94