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
127
128
129
130
131
132
133
134
135
136
137
138
139
|
/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the examples 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 Technology Preview License Agreement accompanying
** this package.
**
** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef Patternist_QObjectNodeModel_H
#define Patternist_QObjectNodeModel_H
#include <QSimpleXmlNodeModel>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
class QObject;
class PropertyToAtomicValue;
/**
* @short Delegates QtCore's QObject into Patternist's QAbstractXmlNodeModel.
* known as pre/post numbering.
*
* QObjectXmlModel sets the toggle on QXmlNodeModelIndex to @c true, if it
* represents a property of the QObject. That is, if the QXmlNodeModelIndex is
* an attribute.
*
* @author Frans Englich <frans.englich@nokia.com>
*/
class QObjectXmlModel : public QSimpleXmlNodeModel
{
public:
QObjectXmlModel(QObject *const object, const QXmlNamePool &np);
QXmlNodeModelIndex root() const;
//! [0]
virtual QXmlNodeModelIndex::DocumentOrder compareOrder(const QXmlNodeModelIndex &n1, const QXmlNodeModelIndex &n2) const;
virtual QXmlName name(const QXmlNodeModelIndex &n) const;
virtual QUrl documentUri(const QXmlNodeModelIndex &n) const;
virtual QXmlNodeModelIndex::NodeKind kind(const QXmlNodeModelIndex &n) const;
virtual QXmlNodeModelIndex root(const QXmlNodeModelIndex &n) const;
virtual QVariant typedValue(const QXmlNodeModelIndex &n) const;
virtual QVector<QXmlNodeModelIndex> attributes(const QXmlNodeModelIndex&) const;
virtual QXmlNodeModelIndex nextFromSimpleAxis(SimpleAxis, const QXmlNodeModelIndex&) const;
//! [0]
private:
/**
* The highest three bits are used to signify whether the node index
* is an artificial node.
*
* @short if QXmlNodeModelIndex::additionalData() has the
* QObjectPropery flag set, then the QXmlNodeModelIndex is an
* attribute of the QObject element, and the remaining bits form
* an offset to the QObject property that the QXmlNodeModelIndex
* refers to.
*
*/
//! [3]
enum QObjectNodeType
{
IsQObject = 0,
QObjectProperty = 1 << 26,
MetaObjects = 2 << 26,
MetaObject = 3 << 26,
MetaObjectClassName = 4 << 26,
MetaObjectSuperClass = 5 << 26,
QObjectClassName = 6 << 26
};
//! [3]
//! [1]
typedef QVector<const QMetaObject *> AllMetaObjects;
//! [1]
AllMetaObjects allMetaObjects() const;
static QObjectNodeType toNodeType(const QXmlNodeModelIndex &n);
static bool isTypeSupported(QVariant::Type type);
static inline QObject *asQObject(const QXmlNodeModelIndex &n);
static inline bool isProperty(const QXmlNodeModelIndex n);
static inline QMetaProperty toMetaProperty(const QXmlNodeModelIndex &n);
/**
* Returns the ancestors of @p n. Does therefore not include
* @p n.
*/
inline QXmlNodeModelIndex::List ancestors(const QXmlNodeModelIndex n) const;
QXmlNodeModelIndex qObjectSibling(const int pos,
const QXmlNodeModelIndex &n) const;
QXmlNodeModelIndex metaObjectSibling(const int pos,
const QXmlNodeModelIndex &n) const;
//! [2]
const QUrl m_baseURI;
QObject *const m_root;
//! [4]
const AllMetaObjects m_allMetaObjects;
//! [4]
//! [2]
};
QT_END_NAMESPACE
QT_END_HEADER
#endif
|
