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93 lines (74 loc) · 3.23 KB
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/*
* Copyright (C) 1999-2000 Harri Porten (porten@kde.org)
* Copyright (C) 2008 Apple Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifndef DateInstance_h
#define DateInstance_h
#include "JSWrapperObject.h"
namespace JSC {
class DateInstance : public JSWrapperObject {
protected:
JS_EXPORT_PRIVATE DateInstance(VM&, Structure*);
void finishCreation(VM&);
JS_EXPORT_PRIVATE void finishCreation(VM&, double);
static void destroy(JSCell*);
public:
typedef JSWrapperObject Base;
static DateInstance* create(VM& vm, Structure* structure, double date)
{
DateInstance* instance = new (NotNull, allocateCell<DateInstance>(vm.heap)) DateInstance(vm, structure);
instance->finishCreation(vm, date);
return instance;
}
static DateInstance* create(VM& vm, Structure* structure)
{
DateInstance* instance = new (NotNull, allocateCell<DateInstance>(vm.heap)) DateInstance(vm, structure);
instance->finishCreation(vm);
return instance;
}
double internalNumber() const { return internalValue().asNumber(); }
DECLARE_EXPORT_INFO;
const GregorianDateTime* gregorianDateTime(ExecState* exec) const
{
if (m_data && m_data->m_gregorianDateTimeCachedForMS == internalNumber())
return &m_data->m_cachedGregorianDateTime;
return calculateGregorianDateTime(exec);
}
const GregorianDateTime* gregorianDateTimeUTC(ExecState* exec) const
{
if (m_data && m_data->m_gregorianDateTimeUTCCachedForMS == internalNumber())
return &m_data->m_cachedGregorianDateTimeUTC;
return calculateGregorianDateTimeUTC(exec);
}
static Structure* createStructure(VM& vm, JSGlobalObject* globalObject, JSValue prototype)
{
return Structure::create(vm, globalObject, prototype, TypeInfo(ObjectType, StructureFlags), info());
}
private:
const GregorianDateTime* calculateGregorianDateTime(ExecState*) const;
const GregorianDateTime* calculateGregorianDateTimeUTC(ExecState*) const;
mutable RefPtr<DateInstanceData> m_data;
};
DateInstance* asDateInstance(JSValue);
inline DateInstance* asDateInstance(JSValue value)
{
ASSERT(asObject(value)->inherits(DateInstance::info()));
return static_cast<DateInstance*>(asObject(value));
}
} // namespace JSC
#endif // DateInstance_h