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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_DATE_TIME_FORMAT_H_
#define V8_OBJECTS_JS_DATE_TIME_FORMAT_H_
#include <set>
#include <string>
#include "src/execution/isolate.h"
#include "src/objects/intl-objects.h"
#include "src/objects/managed.h"
#include "torque-generated/field-offsets-tq.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 DateIntervalFormat;
class Locale;
class SimpleDateFormat;
} // namespace U_ICU_NAMESPACE
namespace v8 {
namespace internal {
class JSDateTimeFormat : public JSObject {
public:
V8_WARN_UNUSED_RESULT static MaybeHandle<JSDateTimeFormat> New(
Isolate* isolate, Handle<Map> map, Handle<Object> locales,
Handle<Object> options);
V8_WARN_UNUSED_RESULT static MaybeHandle<JSObject> ResolvedOptions(
Isolate* isolate, Handle<JSDateTimeFormat> date_time_format);
// ecma402/#sec-unwrapdatetimeformat
V8_WARN_UNUSED_RESULT static MaybeHandle<JSDateTimeFormat>
UnwrapDateTimeFormat(Isolate* isolate, Handle<JSReceiver> format_holder);
// Convert the options to ICU DateTimePatternGenerator skeleton.
static Maybe<std::string> OptionsToSkeleton(Isolate* isolate,
Handle<JSReceiver> options);
// Return the time zone id which match ICU's expectation of title casing
// return empty string when error.
static std::string CanonicalizeTimeZoneID(Isolate* isolate,
const std::string& input);
// ecma402/#sec-datetime-format-functions
// DateTime Format Functions
V8_WARN_UNUSED_RESULT static MaybeHandle<String> DateTimeFormat(
Isolate* isolate, Handle<JSDateTimeFormat> date_time_format,
Handle<Object> date);
// ecma402/#sec-Intl.DateTimeFormat.prototype.formatToParts
V8_WARN_UNUSED_RESULT static MaybeHandle<JSArray> FormatToParts(
Isolate* isolate, Handle<JSDateTimeFormat> date_time_format,
double date_value);
// ecma402/#sec-intl.datetimeformat.prototype.formatRange
V8_WARN_UNUSED_RESULT static MaybeHandle<String> FormatRange(
Isolate* isolate, Handle<JSDateTimeFormat> date_time_format,
double x_date_value, double y_date_value);
// ecma402/sec-Intl.DateTimeFormat.prototype.formatRangeToParts
V8_WARN_UNUSED_RESULT static MaybeHandle<JSArray> FormatRangeToParts(
Isolate* isolate, Handle<JSDateTimeFormat> date_time_format,
double x_date_value, double y_date_value);
// ecma-402/#sec-todatetimeoptions
enum class RequiredOption { kDate, kTime, kAny };
enum class DefaultsOption { kDate, kTime, kAll };
V8_WARN_UNUSED_RESULT static MaybeHandle<JSObject> ToDateTimeOptions(
Isolate* isolate, Handle<Object> input_options, RequiredOption required,
DefaultsOption defaults);
V8_WARN_UNUSED_RESULT static MaybeHandle<String> ToLocaleDateTime(
Isolate* isolate, Handle<Object> date, Handle<Object> locales,
Handle<Object> options, RequiredOption required, DefaultsOption defaults);
V8_EXPORT_PRIVATE static const std::set<std::string>& GetAvailableLocales();
Handle<String> HourCycleAsString() const;
DECL_CAST(JSDateTimeFormat)
// ecma-402/#sec-properties-of-intl-datetimeformat-instances
enum class DateTimeStyle { kUndefined, kFull, kLong, kMedium, kShort };
// Layout description.
DEFINE_FIELD_OFFSET_CONSTANTS(JSObject::kHeaderSize,
TORQUE_GENERATED_JSDATE_TIME_FORMAT_FIELDS)
inline void set_hour_cycle(Intl::HourCycle hour_cycle);
inline Intl::HourCycle hour_cycle() const;
inline void set_date_style(DateTimeStyle date_style);
inline DateTimeStyle date_style() const;
inline void set_time_style(DateTimeStyle time_style);
inline DateTimeStyle time_style() const;
// Bit positions in |flags|.
#define FLAGS_BIT_FIELDS(V, _) \
V(HourCycleBits, Intl::HourCycle, 3, _) \
V(DateStyleBits, DateTimeStyle, 3, _) \
V(TimeStyleBits, DateTimeStyle, 3, _)
DEFINE_BIT_FIELDS(FLAGS_BIT_FIELDS)
#undef FLAGS_BIT_FIELDS
STATIC_ASSERT(Intl::HourCycle::kUndefined <= HourCycleBits::kMax);
STATIC_ASSERT(Intl::HourCycle::kH11 <= HourCycleBits::kMax);
STATIC_ASSERT(Intl::HourCycle::kH12 <= HourCycleBits::kMax);
STATIC_ASSERT(Intl::HourCycle::kH23 <= HourCycleBits::kMax);
STATIC_ASSERT(Intl::HourCycle::kH24 <= HourCycleBits::kMax);
STATIC_ASSERT(DateTimeStyle::kUndefined <= DateStyleBits::kMax);
STATIC_ASSERT(DateTimeStyle::kFull <= DateStyleBits::kMax);
STATIC_ASSERT(DateTimeStyle::kLong <= DateStyleBits::kMax);
STATIC_ASSERT(DateTimeStyle::kMedium <= DateStyleBits::kMax);
STATIC_ASSERT(DateTimeStyle::kShort <= DateStyleBits::kMax);
STATIC_ASSERT(DateTimeStyle::kUndefined <= TimeStyleBits::kMax);
STATIC_ASSERT(DateTimeStyle::kFull <= TimeStyleBits::kMax);
STATIC_ASSERT(DateTimeStyle::kLong <= TimeStyleBits::kMax);
STATIC_ASSERT(DateTimeStyle::kMedium <= TimeStyleBits::kMax);
STATIC_ASSERT(DateTimeStyle::kShort <= TimeStyleBits::kMax);
DECL_ACCESSORS(icu_locale, Managed<icu::Locale>)
DECL_ACCESSORS(icu_simple_date_format, Managed<icu::SimpleDateFormat>)
DECL_ACCESSORS(icu_date_interval_format, Managed<icu::DateIntervalFormat>)
DECL_ACCESSORS(bound_format, Object)
DECL_INT_ACCESSORS(flags)
DECL_PRINTER(JSDateTimeFormat)
DECL_VERIFIER(JSDateTimeFormat)
OBJECT_CONSTRUCTORS(JSDateTimeFormat, JSObject);
};
} // namespace internal
} // namespace v8
#include "src/objects/object-macros-undef.h"
#endif // V8_OBJECTS_JS_DATE_TIME_FORMAT_H_