summaryrefslogtreecommitdiff
path: root/src/script/qscriptextenumeration_p.h
blob: f97e15b9020f070b389a844b0139f500f361bbe5 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtScript module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain
** additional rights. These rights are described in the Nokia Qt LGPL
** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://qt.nokia.com/contact.
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QSCRIPTEXTENUMERATION_P_H
#define QSCRIPTEXTENUMERATION_P_H

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists purely as an
// implementation detail.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//

#include "qscriptecmacore_p.h"

QT_BEGIN_NAMESPACE

#ifndef QT_NO_SCRIPT

class QScriptValueIteratorImpl;

namespace QScript { namespace Ext {

class EnumerationClassData: public QScriptClassData
{
    QScriptClassInfo *m_classInfo;

public:
    EnumerationClassData(QScriptClassInfo *classInfo);
    virtual ~EnumerationClassData();

    inline QScriptClassInfo *classInfo() const
        { return m_classInfo; }

    virtual void mark(const QScriptValueImpl &object, int generation);
};

class Enumeration: public QScript::Ecma::Core
{
public:
    Enumeration(QScriptEnginePrivate *engine);
    virtual ~Enumeration();

    virtual void execute(QScriptContextPrivate *context);

    class Instance: public QScriptObjectData {
    public:
        Instance() : it(0) {}
        virtual ~Instance();

        static Instance *get(const QScriptValueImpl &object,
                             QScriptClassInfo *klass);

        void toFront();
        void hasNext(QScriptContextPrivate *context, QScriptValueImpl *result);
        void next(QScriptContextPrivate *context, QScriptValueImpl *result);

    public: // attributes
        QScriptValueIteratorImpl *it;
        QScriptValueImpl object;
    };

    void newEnumeration(QScriptValueImpl *result, const QScriptValueImpl &value);

    inline Instance *get(const QScriptValueImpl &object) const
    {
        return Instance::get(object, classInfo());
    }

protected:
    static QScriptValueImpl method_toFront(QScriptContextPrivate *context, QScriptEnginePrivate *eng,
                                           QScriptClassInfo *classInfo);
    static QScriptValueImpl method_hasNext(QScriptContextPrivate *context, QScriptEnginePrivate *eng,
                                           QScriptClassInfo *classInfo);
    static QScriptValueImpl method_next(QScriptContextPrivate *context, QScriptEnginePrivate *eng,
                                        QScriptClassInfo *classInfo);
};

} } // namespace QScript::Ext

QT_END_NAMESPACE

#endif // QT_NO_SCRIPT
#endif