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/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
** of its contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#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
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