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/****************************************************************************
**
** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (qt-info@nokia.com)
**
** This file is part of the example classes of the Qt Toolkit.
**
** Commercial Usage
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License versions 2.0 or 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 GNU General Public Licensing requirements will be met:
** http://www.fsf.org/licensing/licenses/info/GPLv2.html and
** http://www.gnu.org/copyleft/gpl.html. In addition, as a special
** exception, Nokia gives you certain additional rights. These rights
** are described in the Nokia Qt GPL Exception version 1.3, included in
** the file GPL_EXCEPTION.txt in this package.
**
** Qt for Windows(R) Licensees
** As a special exception, Nokia, as the sole copyright holder for Qt
** Designer, grants users of the Qt/Eclipse Integration plug-in the
** right for the Qt/Eclipse Integration to link to functionality
** provided by Qt Designer and its related libraries.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at qt-sales@nokia.com.
**
****************************************************************************/
#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 <fenglich@trolltech.com>
*/
class QObjectXmlModel : public QSimpleXmlNodeModel
{
public:
QObjectXmlModel(QObject *const object,
const QXmlNamePool &np);
QXmlNodeModelIndex root() const;
/**
* @short Returns the same as baseURI().
*/
virtual QUrl documentUri(const QXmlNodeModelIndex &ni) const;
virtual QXmlNodeModelIndex::NodeKind kind(const QXmlNodeModelIndex &ni) const;
virtual QXmlNodeModelIndex::DocumentOrder compareOrder(const QXmlNodeModelIndex &ni1, const QXmlNodeModelIndex &ni2) const;
virtual QXmlNodeModelIndex root(const QXmlNodeModelIndex &n) const;
virtual QXmlNodeModelIndex parent(const QXmlNodeModelIndex &ni) const;
virtual QXmlName name(const QXmlNodeModelIndex &ni) const;
virtual QVariant typedValue(const QXmlNodeModelIndex &n) const;
virtual QXmlNodeModelIndex nextFromSimpleAxis(SimpleAxis, const QXmlNodeModelIndex&) const;
virtual QVector<QXmlNodeModelIndex> attributes(const QXmlNodeModelIndex&) const;
private:
/**
* The highest three bits are used to signify whether the node index
* is an artificial node.
*/
enum QObjectNodeType
{
IsQObject = 0,
/**
* @short if QXmlNodeModelIndex::additionalData() has this flag set, then
* the QXmlNodeModelIndex is an attribute of the QObject element, and the
* remaining bits forms an offset to the QObject's property
* that this QXmlNodeModelIndex corresponds to.
*/
QObjectProperty = 1 << 26,
MetaObjects = 2 << 26,
MetaObject = 3 << 26,
/**
* metaObjects/metaObject/@superClass
*/
MetaObjectClassName = 4 << 26,
/**
* metaObjects/metaObject/@superClass
*/
MetaObjectSuperClass = 5 << 26,
/**
* QObject/@className
*/
QObjectClassName = 6 << 26
};
typedef QVector<const QMetaObject *> AllMetaObjects;
AllMetaObjects allMetaObjects() const;
static QObjectNodeType toNodeType(const QXmlNodeModelIndex &ni);
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 &ni) const;
QXmlNodeModelIndex metaObjectSibling(const int pos,
const QXmlNodeModelIndex &ni) const;
const QUrl m_baseURI;
QObject *const m_root;
const AllMetaObjects m_allMetaObjects;
};
QT_END_NAMESPACE
QT_END_HEADER
#endif
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