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/*
* Copyright (C) 2021 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "TemporalTimeZone.h"
#include "ISO8601.h"
#include "JSObjectInlines.h"
namespace JSC {
const ClassInfo TemporalTimeZone::s_info = { "Object"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(TemporalTimeZone) };
TemporalTimeZone* TemporalTimeZone::createFromID(VM& vm, Structure* structure, TimeZoneID identifier)
{
TemporalTimeZone* format = new (NotNull, allocateCell<TemporalTimeZone>(vm)) TemporalTimeZone(vm, structure, TimeZone { std::in_place_index_t<0>(), identifier });
format->finishCreation(vm);
return format;
}
TemporalTimeZone* TemporalTimeZone::createFromUTCOffset(VM& vm, Structure* structure, int64_t utcOffset)
{
TemporalTimeZone* format = new (NotNull, allocateCell<TemporalTimeZone>(vm)) TemporalTimeZone(vm, structure, TimeZone { std::in_place_index_t<1>(), utcOffset });
format->finishCreation(vm);
return format;
}
Structure* TemporalTimeZone::createStructure(VM& vm, JSGlobalObject* globalObject, JSValue prototype)
{
return Structure::create(vm, globalObject, prototype, TypeInfo(ObjectType, StructureFlags), info());
}
TemporalTimeZone::TemporalTimeZone(VM& vm, Structure* structure, TimeZone timeZone)
: Base(vm, structure)
, m_timeZone(timeZone)
{
}
// https://tc39.es/proposal-temporal/#sec-temporal-parsetemporaltimeZonestring
static std::optional<int64_t> parseTemporalTimeZoneString(StringView)
{
// FIXME: Implement parsing temporal timeZone string, which requires full ISO 8601 parser.
return std::nullopt;
}
// https://tc39.es/proposal-temporal/#sec-temporal.timezone.from
// https://tc39.es/proposal-temporal/#sec-temporal-totemporaltimezone
JSObject* TemporalTimeZone::from(JSGlobalObject* globalObject, JSValue timeZoneLike)
{
VM& vm = globalObject->vm();
auto scope = DECLARE_THROW_SCOPE(vm);
if (timeZoneLike.isObject()) {
JSObject* timeZoneLikeObject = jsCast<JSObject*>(timeZoneLike);
// FIXME: We need to implement code retrieving TimeZone from Temporal Date Like objects. But
// currently they are not implemented yet.
bool hasProperty = timeZoneLikeObject->hasProperty(globalObject, vm.propertyNames->timeZone);
RETURN_IF_EXCEPTION(scope, { });
if (!hasProperty)
return timeZoneLikeObject;
timeZoneLike = timeZoneLikeObject->get(globalObject, vm.propertyNames->timeZone);
if (timeZoneLike.isObject()) {
JSObject* timeZoneLikeObject = jsCast<JSObject*>(timeZoneLike);
bool hasProperty = timeZoneLikeObject->hasProperty(globalObject, vm.propertyNames->timeZone);
RETURN_IF_EXCEPTION(scope, { });
if (!hasProperty)
return timeZoneLikeObject;
}
}
auto timeZoneString = timeZoneLike.toWTFString(globalObject);
RETURN_IF_EXCEPTION(scope, { });
std::optional<int64_t> utcOffset = ISO8601::parseTimeZoneNumericUTCOffset(timeZoneString);
if (utcOffset)
return TemporalTimeZone::createFromUTCOffset(vm, globalObject->timeZoneStructure(), utcOffset.value());
std::optional<TimeZoneID> identifier = ISO8601::parseTimeZoneName(timeZoneString);
if (identifier)
return TemporalTimeZone::createFromID(vm, globalObject->timeZoneStructure(), identifier.value());
std::optional<int64_t> utcOffsetFromInstant = parseTemporalTimeZoneString(timeZoneString);
if (utcOffsetFromInstant)
return TemporalTimeZone::createFromUTCOffset(vm, globalObject->timeZoneStructure(), utcOffsetFromInstant.value());
throwRangeError(globalObject, scope, "argument needs to be UTC offset string, TimeZone identifier, or temporal Instant string"_s);
return { };
}
} // namespace JSC