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Diffstat (limited to 'examples/xmlpatterns/filetree/filetree.h')
| -rw-r--r-- | examples/xmlpatterns/filetree/filetree.h | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/examples/xmlpatterns/filetree/filetree.h b/examples/xmlpatterns/filetree/filetree.h new file mode 100644 index 0000000..a36b9a4 --- /dev/null +++ b/examples/xmlpatterns/filetree/filetree.h @@ -0,0 +1,102 @@ +/**************************************************************************** +** +** 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." +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#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] |