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| |
| #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] |