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// 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_RELATIVE_TIME_FORMAT_H_
#define V8_OBJECTS_JS_RELATIVE_TIME_FORMAT_H_
#include <set>
#include <string>
#include "src/base/bit-field.h"
#include "src/execution/isolate.h"
#include "src/heap/factory.h"
#include "src/objects/managed.h"
#include "src/objects/objects.h"
#include "unicode/uversion.h"
// Has to be the last include (doesn't have include guards):
#include "src/objects/object-macros.h"
namespace U_ICU_NAMESPACE {
class RelativeDateTimeFormatter;
}
namespace v8 {
namespace internal {
class JSRelativeTimeFormat : public JSObject {
public:
// Creates relative time format object with properties derived from input
// locales and options.
V8_WARN_UNUSED_RESULT static MaybeHandle<JSRelativeTimeFormat> New(
Isolate* isolate, Handle<Map> map, Handle<Object> locales,
Handle<Object> options);
V8_WARN_UNUSED_RESULT static Handle<JSObject> ResolvedOptions(
Isolate* isolate, Handle<JSRelativeTimeFormat> format_holder);
Handle<String> NumericAsString() const;
// ecma402/#sec-Intl.RelativeTimeFormat.prototype.format
V8_WARN_UNUSED_RESULT static MaybeHandle<String> Format(
Isolate* isolate, Handle<Object> value_obj, Handle<Object> unit_obj,
Handle<JSRelativeTimeFormat> format);
// ecma402/#sec-Intl.RelativeTimeFormat.prototype.formatToParts
V8_WARN_UNUSED_RESULT static MaybeHandle<JSArray> FormatToParts(
Isolate* isolate, Handle<Object> value_obj, Handle<Object> unit_obj,
Handle<JSRelativeTimeFormat> format);
V8_EXPORT_PRIVATE static const std::set<std::string>& GetAvailableLocales();
DECL_CAST(JSRelativeTimeFormat)
// RelativeTimeFormat accessors.
DECL_ACCESSORS(locale, String)
DECL_ACCESSORS(numberingSystem, String)
DECL_ACCESSORS(icu_formatter, Managed<icu::RelativeDateTimeFormatter>)
// Numeric: identifying whether numerical descriptions are always used, or
// used only when no more specific version is available (e.g., "1 day ago" vs
// "yesterday").
//
// ecma402/#sec-properties-of-intl-relativetimeformat-instances
enum class Numeric {
ALWAYS, // numerical descriptions are always used ("1 day ago")
AUTO // numerical descriptions are used only when no more specific
// version is available ("yesterday")
};
inline void set_numeric(Numeric numeric);
inline Numeric numeric() const;
// Bit positions in |flags|.
DEFINE_TORQUE_GENERATED_JS_RELATIVE_TIME_FORMAT_FLAGS()
STATIC_ASSERT(Numeric::AUTO <= NumericBit::kMax);
STATIC_ASSERT(Numeric::ALWAYS <= NumericBit::kMax);
// [flags] Bit field containing various flags about the function.
DECL_INT_ACCESSORS(flags)
DECL_PRINTER(JSRelativeTimeFormat)
DECL_VERIFIER(JSRelativeTimeFormat)
// Layout description.
DEFINE_FIELD_OFFSET_CONSTANTS(JSObject::kHeaderSize,
TORQUE_GENERATED_JS_RELATIVE_TIME_FORMAT_FIELDS)
private:
OBJECT_CONSTRUCTORS(JSRelativeTimeFormat, JSObject);
};
} // namespace internal
} // namespace v8
#include "src/objects/object-macros-undef.h"
#endif // V8_OBJECTS_JS_RELATIVE_TIME_FORMAT_H_
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