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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** 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 The Qt Company Ltd 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."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtCore/QFileInfo>
#include <QtCore/QDir>
#include <QtCore/QVector>
#include <QtXmlPatterns/QSimpleXmlNodeModel>
class FileTree : public QSimpleXmlNodeModel
{
public:
FileTree(const QXmlNamePool &namePool);
QXmlNodeModelIndex nodeFor(const QString &fileName) const;
//! [0]
virtual QXmlNodeModelIndex::DocumentOrder compareOrder(const QXmlNodeModelIndex&, const QXmlNodeModelIndex&) const;
virtual QXmlName name(const QXmlNodeModelIndex &node) const;
virtual QUrl documentUri(const QXmlNodeModelIndex &node) const;
virtual QXmlNodeModelIndex::NodeKind kind(const QXmlNodeModelIndex &node) const;
virtual QXmlNodeModelIndex root(const QXmlNodeModelIndex &node) const;
virtual QVariant typedValue(const QXmlNodeModelIndex &node) const;
//! [0]
protected:
//! [1]
virtual QVector<QXmlNodeModelIndex> attributes(const QXmlNodeModelIndex &element) const;
virtual QXmlNodeModelIndex nextFromSimpleAxis(SimpleAxis, const QXmlNodeModelIndex&) const;
//! [1]
private:
//! [4]
enum Type {
File,
Directory,
AttributeFileName,
AttributeFilePath,
AttributeSize,
AttributeMIMEType,
AttributeSuffix
};
//! [4]
inline QXmlNodeModelIndex nextSibling(const QXmlNodeModelIndex &nodeIndex,
const QFileInfo &from,
qint8 offset) const;
inline const QFileInfo &toFileInfo(const QXmlNodeModelIndex &index) const;
inline QXmlNodeModelIndex toNodeIndex(const QFileInfo &index,
Type attributeName) const;
inline QXmlNodeModelIndex toNodeIndex(const QFileInfo &index) const;
/*
One possible improvement is to use a hash, and use the &*&value()
trick to get a pointer, which would be stored in data() instead
of the index.
*/
//! [2]
mutable QVector<QFileInfo> m_fileInfos;
const QDir::Filters m_filterAllowAll;
const QDir::SortFlags m_sortFlags;
QVector<QXmlName> m_names;
//! [2]
};
//! [3]
//! [3]
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