/****************************************************************************+
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**+
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).+
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** All rights reserved.+
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** Contact: Nokia Corporation (qt-info@nokia.com)+
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**+
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** This file is part of the examples of the Qt Toolkit.+
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**+
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** $QT_BEGIN_LICENSE:BSD$+
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** You may use this file under the terms of the BSD license as follows:+
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**+
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** "Redistribution and use in source and binary forms, with or without+
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** modification, are permitted provided that the following conditions are+
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** met:+
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**   * Redistributions of source code must retain the above copyright+
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**     notice, this list of conditions and the following disclaimer.+
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**   * Redistributions in binary form must reproduce the above copyright+
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**     notice, this list of conditions and the following disclaimer in+
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**     the documentation and/or other materials provided with the+
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**     distribution.+
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**   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor+
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**     the names of its contributors may be used to endorse or promote+
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**     products derived from this software without specific prior written+
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**     permission.+
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**+
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS+
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT+
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR+
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT+
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,+
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT+
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,+
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY+
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT+
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE+
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."+
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** $QT_END_LICENSE$+
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**+
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****************************************************************************/+
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+
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#ifndef Patternist_QObjectNodeModel_H+
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#define Patternist_QObjectNodeModel_H+
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+
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#include <QSimpleXmlNodeModel>+
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+
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QT_BEGIN_HEADER+
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QT_BEGIN_NAMESPACE+
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+
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class QObject;+
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class PropertyToAtomicValue;+
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+
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/**+
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 * @short Delegates QtCore's QObject into Patternist's QAbstractXmlNodeModel.+
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 * known as pre/post numbering.+
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 *+
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 * QObjectXmlModel sets the toggle on QXmlNodeModelIndex to @c true, if it+
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 * represents a property of the QObject. That is, if the QXmlNodeModelIndex is+
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 * an attribute.+
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 *+
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 * @author Frans Englich <frans.englich@nokia.com>+
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 */+
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class QObjectXmlModel : public QSimpleXmlNodeModel+
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{+
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  public:+
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    QObjectXmlModel(QObject *const object, const QXmlNamePool &np);+
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+
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    QXmlNodeModelIndex root() const;+
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+
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//! [0]+
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    virtual QXmlNodeModelIndex::DocumentOrder compareOrder(const QXmlNodeModelIndex &n1, const QXmlNodeModelIndex &n2) const;+
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    virtual QXmlName name(const QXmlNodeModelIndex &n) const;+
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    virtual QUrl documentUri(const QXmlNodeModelIndex &n) const;+
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    virtual QXmlNodeModelIndex::NodeKind kind(const QXmlNodeModelIndex &n) const;+
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    virtual QXmlNodeModelIndex root(const QXmlNodeModelIndex &n) const;+
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    virtual QVariant typedValue(const QXmlNodeModelIndex &n) const;+
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    virtual QVector<QXmlNodeModelIndex> attributes(const QXmlNodeModelIndex&) const;+
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    virtual QXmlNodeModelIndex nextFromSimpleAxis(SimpleAxis, const QXmlNodeModelIndex&) const;+
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//! [0]+
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+
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  private:+
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    /**+
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     * The highest three bits are used to signify whether the node index+
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     * is an artificial node.+
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     *+
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     * @short if QXmlNodeModelIndex::additionalData() has the+
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     * QObjectPropery flag set, then the QXmlNodeModelIndex is an+
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     * attribute of the QObject element, and the remaining bits form+
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     * an offset to the QObject property that the QXmlNodeModelIndex+
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     * refers to.+
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     *+
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     */+
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//! [3]+
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    enum QObjectNodeType+
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    {+
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        IsQObject               = 0,+
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        QObjectProperty         = 1 << 26,+
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        MetaObjects             = 2 << 26,+
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        MetaObject              = 3 << 26,+
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        MetaObjectClassName     = 4 << 26,+
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        MetaObjectSuperClass    = 5 << 26,+
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        QObjectClassName        = 6 << 26+
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    };+
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//! [3]+
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+
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//! [1]+
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    typedef QVector<const QMetaObject *> AllMetaObjects;+
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//! [1]+
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    AllMetaObjects allMetaObjects() const;+
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+
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    static QObjectNodeType toNodeType(const QXmlNodeModelIndex &n);+
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    static bool isTypeSupported(QVariant::Type type);+
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    static inline QObject *asQObject(const QXmlNodeModelIndex &n);+
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    static inline bool isProperty(const QXmlNodeModelIndex n);+
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    static inline QMetaProperty toMetaProperty(const QXmlNodeModelIndex &n);+
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    /**+
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     * Returns the ancestors of @p n. Does therefore not include+
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     * @p n.+
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     */+
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    inline QXmlNodeModelIndex::List ancestors(const QXmlNodeModelIndex n) const;+
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    QXmlNodeModelIndex qObjectSibling(const int pos,+
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                                      const QXmlNodeModelIndex &n) const;+
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    QXmlNodeModelIndex metaObjectSibling(const int pos,+
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                                         const QXmlNodeModelIndex &n) const;+
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+
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//! [2]+
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    const QUrl              m_baseURI;+
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    QObject *const          m_root;+
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//! [4]+
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    const AllMetaObjects    m_allMetaObjects;+
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//! [4]+
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//! [2]+
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};+
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+
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QT_END_NAMESPACE+
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+
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QT_END_HEADER+
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+
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#endif+
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