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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 "TemporalCalendar.h"
#include "JSObjectInlines.h"
#include "StructureInlines.h"
namespace JSC {
const ClassInfo TemporalCalendar::s_info = { "Object", &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(TemporalCalendar) };
namespace TemporalCalendarInternal {
static constexpr bool verbose = false;
}
TemporalCalendar* TemporalCalendar::create(VM& vm, Structure* structure, CalendarID identifier)
{
TemporalCalendar* format = new (NotNull, allocateCell<TemporalCalendar>(vm)) TemporalCalendar(vm, structure, identifier);
format->finishCreation(vm);
return format;
}
Structure* TemporalCalendar::createStructure(VM& vm, JSGlobalObject* globalObject, JSValue prototype)
{
return Structure::create(vm, globalObject, prototype, TypeInfo(ObjectType, StructureFlags), info());
}
TemporalCalendar::TemporalCalendar(VM& vm, Structure* structure, CalendarID identifier)
: Base(vm, structure)
, m_identifier(identifier)
{
}
std::optional<CalendarID> TemporalCalendar::isBuiltinCalendar(StringView string)
{
const auto& calendars = intlAvailableCalendars();
for (unsigned index = 0; index < calendars.size(); ++index) {
if (calendars[index] == string)
return index;
}
return std::nullopt;
}
// https://tc39.es/proposal-temporal/#sec-temporal-parsetemporalcalendarstring
static std::optional<CalendarID> parseTemporalCalendarString(JSGlobalObject* globalObject, StringView)
{
// FIXME: Implement parsing temporal calendar string, which requires full ISO 8601 parser.
VM& vm = globalObject->vm();
auto scope = DECLARE_THROW_SCOPE(vm);
throwRangeError(globalObject, scope, "invalid calendar ID"_s);
return std::nullopt;
}
// https://tc39.es/proposal-temporal/#sec-temporal-totemporalcalendar
JSObject* TemporalCalendar::from(JSGlobalObject* globalObject, JSValue calendarLike)
{
VM& vm = globalObject->vm();
auto scope = DECLARE_THROW_SCOPE(vm);
if (calendarLike.isObject()) {
JSObject* calendarLikeObject = jsCast<JSObject*>(calendarLike);
// FIXME: We need to implement code retrieving Calendar from Temporal Date Like objects. But
// currently they are not implemented yet.
bool hasProperty = calendarLikeObject->hasProperty(globalObject, vm.propertyNames->calendar);
RETURN_IF_EXCEPTION(scope, { });
if (!hasProperty)
return jsCast<JSObject*>(calendarLike);
calendarLike = calendarLikeObject->get(globalObject, vm.propertyNames->calendar);
if (calendarLike.isObject()) {
bool hasProperty = jsCast<JSObject*>(calendarLike)->hasProperty(globalObject, vm.propertyNames->calendar);
RETURN_IF_EXCEPTION(scope, { });
if (!hasProperty)
return jsCast<JSObject*>(calendarLike);
}
}
auto identifier = calendarLike.toWTFString(globalObject);
RETURN_IF_EXCEPTION(scope, { });
std::optional<CalendarID> calendarId = isBuiltinCalendar(identifier);
if (!calendarId) {
calendarId = parseTemporalCalendarString(globalObject, identifier);
RETURN_IF_EXCEPTION(scope, { });
}
ASSERT(calendarId);
return TemporalCalendar::create(vm, globalObject->calendarStructure(), calendarId.value());
}
} // namespace JSC