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// Copyright 2022 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_DURATION_FORMAT_H_
#define V8_OBJECTS_JS_DURATION_FORMAT_H_
#include "src/execution/isolate.h"
#include "src/heap/factory.h"
#include "src/objects/managed.h"
#include "src/objects/objects.h"
// Has to be the last include (doesn't have include guards):
#include "src/objects/object-macros.h"
namespace U_ICU_NAMESPACE {
class Locale;
namespace number {
class LocalizedNumberFormatter;
} // namespace number
} // namespace U_ICU_NAMESPACE
namespace v8 {
namespace internal {
#include "torque-generated/src/objects/js-duration-format-tq.inc"
class JSDurationFormat
: public TorqueGeneratedJSDurationFormat<JSDurationFormat, JSObject> {
public:
// Creates duration format object with properties derived from input
// locales and options.
V8_WARN_UNUSED_RESULT static MaybeHandle<JSDurationFormat> New(
Isolate* isolate, Handle<Map> map, Handle<Object> locales,
Handle<Object> options);
V8_WARN_UNUSED_RESULT static Handle<JSObject> ResolvedOptions(
Isolate* isolate, Handle<JSDurationFormat> format_holder);
V8_WARN_UNUSED_RESULT static MaybeHandle<String> Format(
Isolate* isolate, Handle<JSDurationFormat> df, Handle<Object> duration);
V8_WARN_UNUSED_RESULT static MaybeHandle<JSArray> FormatToParts(
Isolate* isolate, Handle<JSDurationFormat> df, Handle<Object> duration);
V8_EXPORT_PRIVATE static const std::set<std::string>& GetAvailableLocales();
enum class Display {
kAuto,
kAlways,
kMax = kAlways
};
enum class Style {
kLong,
kShort,
kNarrow,
kDigital,
kMax = kDigital
};
// To optimize per object memory usage, we use 2 bits
// to store one of the four possible time separators encoded in
// icu/source/data/locales/$locale/NumberElements/$numberingSystem/timeSeparator
enum class Separator {
kColon, // U+003A
kFullStop, // U+002E
kFullwidthColon, // U+FF1A
kArabicDecimalSeparator, // U+066B
kMax = kArabicDecimalSeparator
};
// The ordering of these values is significant, because sub-ranges are
// encoded using bitfields.
enum class FieldStyle {
kLong,
kShort,
kNarrow,
kNumeric,
k2Digit,
kUndefined,
kStyle3Max = kNarrow,
kStyle4Max = kNumeric,
kStyle5Max = k2Digit,
};
#define DECLARE_INLINE_SETTER_GETTER(T, n) \
inline void set_##n(T); \
inline T n() const;
#define DECLARE_INLINE_DISPLAY_SETTER_GETTER(f) \
DECLARE_INLINE_SETTER_GETTER(Display, f##_display)
#define DECLARE_INLINE_FIELD_STYLE_SETTER_GETTER(f) \
DECLARE_INLINE_SETTER_GETTER(FieldStyle, f##_style)
DECLARE_INLINE_DISPLAY_SETTER_GETTER(years)
DECLARE_INLINE_DISPLAY_SETTER_GETTER(months)
DECLARE_INLINE_DISPLAY_SETTER_GETTER(weeks)
DECLARE_INLINE_DISPLAY_SETTER_GETTER(days)
DECLARE_INLINE_DISPLAY_SETTER_GETTER(hours)
DECLARE_INLINE_DISPLAY_SETTER_GETTER(minutes)
DECLARE_INLINE_DISPLAY_SETTER_GETTER(seconds)
DECLARE_INLINE_DISPLAY_SETTER_GETTER(milliseconds)
DECLARE_INLINE_DISPLAY_SETTER_GETTER(microseconds)
DECLARE_INLINE_DISPLAY_SETTER_GETTER(nanoseconds)
DECLARE_INLINE_SETTER_GETTER(Style, style)
DECLARE_INLINE_SETTER_GETTER(Separator, separator)
DECLARE_INLINE_FIELD_STYLE_SETTER_GETTER(years)
DECLARE_INLINE_FIELD_STYLE_SETTER_GETTER(months)
DECLARE_INLINE_FIELD_STYLE_SETTER_GETTER(weeks)
DECLARE_INLINE_FIELD_STYLE_SETTER_GETTER(days)
DECLARE_INLINE_FIELD_STYLE_SETTER_GETTER(hours)
DECLARE_INLINE_FIELD_STYLE_SETTER_GETTER(minutes)
DECLARE_INLINE_FIELD_STYLE_SETTER_GETTER(seconds)
DECLARE_INLINE_FIELD_STYLE_SETTER_GETTER(milliseconds)
DECLARE_INLINE_FIELD_STYLE_SETTER_GETTER(microseconds)
DECLARE_INLINE_FIELD_STYLE_SETTER_GETTER(nanoseconds)
#undef DECLARE_INLINE_SETTER_GETTER
#undef DECLARE_INLINE_STYLE_SETTER_GETTER
#undef DECLARE_INLINE_FIELD_STYLE_SETTER_GETTER
// Since we store the fractional_digits in 4 bits but only use 0-9 as valid
// value. We use value 15 (max of 4 bits) to denote "undefined".
static const uint32_t kUndefinedFractionalDigits = 15;
inline void set_fractional_digits(int32_t digits);
inline int32_t fractional_digits() const;
// Bit positions in |flags|.
DEFINE_TORQUE_GENERATED_JS_DURATION_FORMAT_DISPLAY_FLAGS()
DEFINE_TORQUE_GENERATED_JS_DURATION_FORMAT_STYLE_FLAGS()
static_assert(YearsDisplayBit::is_valid(Display::kMax));
static_assert(MonthsDisplayBit::is_valid(Display::kMax));
static_assert(WeeksDisplayBit::is_valid(Display::kMax));
static_assert(DaysDisplayBit::is_valid(Display::kMax));
static_assert(HoursDisplayBit::is_valid(Display::kMax));
static_assert(MinutesDisplayBit::is_valid(Display::kMax));
static_assert(SecondsDisplayBit::is_valid(Display::kMax));
static_assert(MillisecondsDisplayBit::is_valid(Display::kMax));
static_assert(MicrosecondsDisplayBit::is_valid(Display::kMax));
static_assert(NanosecondsDisplayBit::is_valid(Display::kMax));
static_assert(StyleBits::is_valid(Style::kMax));
static_assert(YearsStyleBits::is_valid(FieldStyle::kStyle3Max));
static_assert(MonthsStyleBits::is_valid(FieldStyle::kStyle3Max));
static_assert(WeeksStyleBits::is_valid(FieldStyle::kStyle3Max));
static_assert(DaysStyleBits::is_valid(FieldStyle::kStyle3Max));
static_assert(HoursStyleBits::is_valid(FieldStyle::kStyle5Max));
static_assert(MinutesStyleBits::is_valid(FieldStyle::kStyle5Max));
static_assert(SecondsStyleBits::is_valid(FieldStyle::kStyle5Max));
static_assert(MillisecondsStyleBits::is_valid(FieldStyle::kStyle4Max));
static_assert(MicrosecondsStyleBits::is_valid(FieldStyle::kStyle4Max));
static_assert(NanosecondsStyleBits::is_valid(FieldStyle::kStyle4Max));
DECL_ACCESSORS(icu_locale, Tagged<Managed<icu::Locale>>)
DECL_ACCESSORS(icu_number_formatter,
Tagged<Managed<icu::number::LocalizedNumberFormatter>>)
DECL_PRINTER(JSDurationFormat)
TQ_OBJECT_CONSTRUCTORS(JSDurationFormat)
};
} // namespace internal
} // namespace v8
#include "src/objects/object-macros-undef.h"
#endif // V8_OBJECTS_JS_DURATION_FORMAT_H_
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