1/*
2 * Copyright (C) 1999-2000 Harri Porten ([email protected])
3 * Copyright (C) 2008 Apple Inc. All rights reserved.
4 *
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.
9 *
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.
14 *
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
18 *
19 */
20
21#ifndef DateInstance_h
22#define DateInstance_h
23
24#include "JSWrapperObject.h"
25
26namespace WTF {
27 struct GregorianDateTime;
28}
29
30namespace JSC {
31
32 class DateInstance : public JSWrapperObject {
33 public:
34 DateInstance(ExecState*, double);
35 explicit DateInstance(ExecState*, NonNullPassRefPtr<Structure>);
36
37 double internalNumber() const { return internalValue().uncheckedGetNumber(); }
38
39 static JS_EXPORTDATA const ClassInfo info;
40
41 const GregorianDateTime* gregorianDateTime(ExecState* exec) const
42 {
43 if (m_data && m_data->m_gregorianDateTimeCachedForMS == internalNumber())
44 return &m_data->m_cachedGregorianDateTime;
45 return calculateGregorianDateTime(exec);
46 }
47
48 const GregorianDateTime* gregorianDateTimeUTC(ExecState* exec) const
49 {
50 if (m_data && m_data->m_gregorianDateTimeUTCCachedForMS == internalNumber())
51 return &m_data->m_cachedGregorianDateTimeUTC;
52 return calculateGregorianDateTimeUTC(exec);
53 }
54
55 static PassRefPtr<Structure> createStructure(JSValue prototype)
56 {
57 return Structure::create(prototype, typeInfo: TypeInfo(ObjectType, StructureFlags));
58 }
59
60 protected:
61 static const unsigned StructureFlags = OverridesMarkChildren | JSWrapperObject::StructureFlags;
62
63 private:
64 const GregorianDateTime* calculateGregorianDateTime(ExecState*) const;
65 const GregorianDateTime* calculateGregorianDateTimeUTC(ExecState*) const;
66 virtual const ClassInfo* classInfo() const { return &info; }
67
68 mutable RefPtr<DateInstanceData> m_data;
69 };
70
71 DateInstance* asDateInstance(JSValue);
72
73 inline DateInstance* asDateInstance(JSValue value)
74 {
75 ASSERT(asObject(value)->inherits(&DateInstance::info));
76 return static_cast<DateInstance*>(asObject(value));
77 }
78
79} // namespace JSC
80
81#endif // DateInstance_h
82

source code of qtscript/src/3rdparty/javascriptcore/JavaScriptCore/runtime/DateInstance.h