2 * Copyright (C) 1999-2000 Harri Porten (porten@kde.org)
3 * Copyright (C) 2008 Apple Inc. All rights reserved.
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 #ifndef DateInstance_h
22 #define DateInstance_h
24 #include "JSWrapperObject.h"
27 struct GregorianDateTime;
32 class DateInstance : public JSWrapperObject {
34 DateInstance(ExecState*, Structure*);
35 void finishCreation(JSGlobalData&);
36 void finishCreation(JSGlobalData&, double);
39 typedef JSWrapperObject Base;
41 static DateInstance* create(ExecState* exec, Structure* structure, double date)
43 DateInstance* instance = new (allocateCell<DateInstance>(*exec->heap())) DateInstance(exec, structure);
44 instance->finishCreation(exec->globalData(), date);
48 static DateInstance* create(ExecState* exec, Structure* structure)
50 DateInstance* instance = new (allocateCell<DateInstance>(*exec->heap())) DateInstance(exec, structure);
51 instance->finishCreation(exec->globalData());
55 double internalNumber() const { return internalValue().asNumber(); }
57 static JS_EXPORTDATA const ClassInfo s_info;
59 const GregorianDateTime* gregorianDateTime(ExecState* exec) const
61 if (m_data && m_data->m_gregorianDateTimeCachedForMS == internalNumber())
62 return &m_data->m_cachedGregorianDateTime;
63 return calculateGregorianDateTime(exec);
66 const GregorianDateTime* gregorianDateTimeUTC(ExecState* exec) const
68 if (m_data && m_data->m_gregorianDateTimeUTCCachedForMS == internalNumber())
69 return &m_data->m_cachedGregorianDateTimeUTC;
70 return calculateGregorianDateTimeUTC(exec);
73 static Structure* createStructure(JSGlobalData& globalData, JSGlobalObject* globalObject, JSValue prototype)
75 return Structure::create(globalData, globalObject, prototype, TypeInfo(ObjectType, StructureFlags), &s_info);
79 const GregorianDateTime* calculateGregorianDateTime(ExecState*) const;
80 const GregorianDateTime* calculateGregorianDateTimeUTC(ExecState*) const;
82 mutable RefPtr<DateInstanceData> m_data;
85 DateInstance* asDateInstance(JSValue);
87 inline DateInstance* asDateInstance(JSValue value)
89 ASSERT(asObject(value)->inherits(&DateInstance::s_info));
90 return static_cast<DateInstance*>(asObject(value));
95 #endif // DateInstance_h