| /* |
| * 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 WTF { |
| struct GregorianDateTime; |
| } |
| |
| namespace JSC { |
| |
| class DateInstance : public JSWrapperObject { |
| public: |
| DateInstance(ExecState*, Structure*, double); |
| explicit DateInstance(ExecState*, Structure*); |
| |
| double internalNumber() const { return internalValue().uncheckedGetNumber(); } |
| |
| static JS_EXPORTDATA const ClassInfo s_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(JSGlobalData& globalData, JSValue prototype) |
| { |
| return Structure::create(globalData, prototype, TypeInfo(ObjectType, StructureFlags), AnonymousSlotCount, &s_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::s_info)); |
| return static_cast<DateInstance*>(asObject(value)); |
| } |
| |
| } // namespace JSC |
| |
| #endif // DateInstance_h |