qobjectxmlmodel.h Example Filexmlpatterns/qobjectxmlmodel/qobjectxmlmodel.h/**************************************************************************** ** ** Copyright (C) 2011 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. ** ** $QT_BEGIN_LICENSE:BSD$ ** 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 Nokia Corporation 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 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; 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; 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. * */ enum QObjectNodeType { IsQObject = 0, QObjectProperty = 1 << 26, MetaObjects = 2 << 26, MetaObject = 3 << 26, MetaObjectClassName = 4 << 26, MetaObjectSuperClass = 5 << 26, QObjectClassName = 6 << 26 }; typedef QVector<const QMetaObject *> AllMetaObjects; 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; const QUrl m_baseURI; QObject *const m_root; const AllMetaObjects m_allMetaObjects; }; QT_END_HEADER #endif |