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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* vim: set ts=8 sts=2 et sw=2 tw=80:
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
#ifndef builtin_intl_DurationFormat_h
#define builtin_intl_DurationFormat_h
#include <stdint.h>
#include "builtin/SelfHostingDefines.h"
#include "builtin/temporal/TemporalUnit.h"
#include "js/Class.h"
#include "vm/NativeObject.h"
namespace mozilla::intl {
class ListFormat;
class NumberFormat;
} // namespace mozilla::intl
namespace js {
namespace intl {
enum class DurationDisplay : uint8_t { Auto, Always };
enum class DurationStyle : uint8_t { Long, Short, Narrow, Numeric, TwoDigit };
struct DurationFormatOptions {
// Packed representation to keep the unit options as small as possible.
//
// Use |uint8_t| instead of the actual enum type to avoid GCC warnings:
#define DECLARE_DURATION_UNIT(name) \
/* DurationDisplay */ uint8_t name##Display : 1; \
/* DurationStyle */ uint8_t name##Style : 3;
DECLARE_DURATION_UNIT(years);
DECLARE_DURATION_UNIT(months);
DECLARE_DURATION_UNIT(weeks);
DECLARE_DURATION_UNIT(days);
DECLARE_DURATION_UNIT(hours);
DECLARE_DURATION_UNIT(minutes);
DECLARE_DURATION_UNIT(seconds);
DECLARE_DURATION_UNIT(milliseconds);
DECLARE_DURATION_UNIT(microseconds);
DECLARE_DURATION_UNIT(nanoseconds);
#undef DECLARE_DURATION_UNIT
int8_t fractionalDigits;
};
struct DurationUnitOptions {
// Use the same bit-widths for fast extraction from DurationFormatOptions.
/* DurationDisplay */ uint8_t display_ : 1;
/* DurationStyle */ uint8_t style_ : 3;
auto display() const { return static_cast<DurationDisplay>(display_); }
auto style() const { return static_cast<DurationStyle>(style_); }
};
} // namespace intl
class DurationFormatObject : public NativeObject {
public:
static const JSClass class_;
static const JSClass& protoClass_;
static constexpr uint32_t INTERNALS_SLOT = 0;
static constexpr uint32_t NUMBER_FORMAT_YEARS_SLOT = 1;
static constexpr uint32_t NUMBER_FORMAT_MONTHS_SLOT = 2;
static constexpr uint32_t NUMBER_FORMAT_WEEKS_SLOT = 3;
static constexpr uint32_t NUMBER_FORMAT_DAYS_SLOT = 4;
static constexpr uint32_t NUMBER_FORMAT_HOURS_SLOT = 5;
static constexpr uint32_t NUMBER_FORMAT_MINUTES_SLOT = 6;
static constexpr uint32_t NUMBER_FORMAT_SECONDS_SLOT = 7;
static constexpr uint32_t NUMBER_FORMAT_MILLISECONDS_SLOT = 8;
static constexpr uint32_t NUMBER_FORMAT_MICROSECONDS_SLOT = 9;
static constexpr uint32_t NUMBER_FORMAT_NANOSECONDS_SLOT = 10;
static constexpr uint32_t LIST_FORMAT_SLOT = 11;
static constexpr uint32_t OPTIONS_SLOT = 12;
static constexpr uint32_t TIME_SEPARATOR_SLOT = 13;
static constexpr uint32_t SLOT_COUNT = 14;
static_assert(INTERNALS_SLOT == INTL_INTERNALS_OBJECT_SLOT,
"INTERNALS_SLOT must match self-hosting define for internals "
"object slot");
private:
static constexpr uint32_t numberFormatSlot(temporal::TemporalUnit unit) {
MOZ_ASSERT(temporal::TemporalUnit::Year <= unit &&
unit <= temporal::TemporalUnit::Nanosecond);
static_assert(uint32_t(temporal::TemporalUnit::Year) ==
NUMBER_FORMAT_YEARS_SLOT);
static_assert(uint32_t(temporal::TemporalUnit::Nanosecond) ==
NUMBER_FORMAT_NANOSECONDS_SLOT);
return uint32_t(unit);
}
public:
mozilla::intl::NumberFormat* getNumberFormat(
temporal::TemporalUnit unit) const {
const auto& slot = getFixedSlot(numberFormatSlot(unit));
if (slot.isUndefined()) {
return nullptr;
}
return static_cast<mozilla::intl::NumberFormat*>(slot.toPrivate());
}
void setNumberFormat(temporal::TemporalUnit unit,
mozilla::intl::NumberFormat* numberFormat) {
setFixedSlot(numberFormatSlot(unit), PrivateValue(numberFormat));
}
mozilla::intl::ListFormat* getListFormat() const {
const auto& slot = getFixedSlot(LIST_FORMAT_SLOT);
if (slot.isUndefined()) {
return nullptr;
}
return static_cast<mozilla::intl::ListFormat*>(slot.toPrivate());
}
void setListFormat(mozilla::intl::ListFormat* listFormat) {
setFixedSlot(LIST_FORMAT_SLOT, PrivateValue(listFormat));
}
intl::DurationFormatOptions* getOptions() const {
const auto& slot = getFixedSlot(OPTIONS_SLOT);
if (slot.isUndefined()) {
return nullptr;
}
return static_cast<intl::DurationFormatOptions*>(slot.toPrivate());
}
void setOptions(intl::DurationFormatOptions* options) {
setFixedSlot(OPTIONS_SLOT, PrivateValue(options));
}
JSString* getTimeSeparator() const {
const auto& slot = getFixedSlot(TIME_SEPARATOR_SLOT);
if (slot.isUndefined()) {
return nullptr;
}
return slot.toString();
}
void setTimeSeparator(JSString* timeSeparator) {
setFixedSlot(TIME_SEPARATOR_SLOT, StringValue(timeSeparator));
}
private:
static const JSClassOps classOps_;
static const ClassSpec classSpec_;
static void finalize(JS::GCContext* gcx, JSObject* obj);
};
/**
* `toLocaleString` implementation for Temporal.Duration objects.
*/
[[nodiscard]] extern bool TemporalDurationToLocaleString(
JSContext* cx, const JS::CallArgs& args);
} // namespace js
#endif /* builtin_intl_DurationFormat_h */