559 lines
36 KiB
HTML
559 lines
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HTML
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<h1 class="title">filetree.cpp Example File</h1>
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<span class="small-subtitle">xmlpatterns/filetree/filetree.cpp</span>
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<!-- $$$xmlpatterns/filetree/filetree.cpp-description -->
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<div class="descr"> <a name="details"></a>
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<pre class="cpp"> <span class="comment">/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Contact: http://www.qt.io/licensing/
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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 The Qt Company Ltd nor the names of its
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** contributors may be used to endorse or promote products derived
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** from this software without specific prior written permission.
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**
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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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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/</span>
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<span class="preprocessor">#include <QtCore/QUrl></span>
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<span class="preprocessor">#include <QtCore/QVariant></span>
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<span class="preprocessor">#include <QtXmlPatterns/QXmlNamePool></span>
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<span class="preprocessor">#include "filetree.h"</span>
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<span class="comment">/*
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The model has two types of nodes: elements & attributes.
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<directory name="">
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<file name="">
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</file>
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</directory>
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In QXmlNodeModelIndex we store two values. QXmlNodeIndex::data()
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is treated as a signed int, and it is an index into m_fileInfos
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unless it is -1, in which case it has no meaning and the value
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of QXmlNodeModelIndex::additionalData() is a Type name instead.
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*/</span>
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<span class="comment">/*!
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The constructor passes \a pool to the base class, then loads an
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internal vector with an instance of QXmlName for each of the
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strings "file", "directory", "fileName", "filePath", "size",
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"mimeType", and "suffix".
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*/</span>
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FileTree<span class="operator">::</span>FileTree(<span class="keyword">const</span> <span class="type"><a href="qxmlnamepool.html">QXmlNamePool</a></span><span class="operator">&</span> pool)
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: <span class="type"><a href="qsimplexmlnodemodel.html">QSimpleXmlNodeModel</a></span>(pool)<span class="operator">,</span>
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m_filterAllowAll(<span class="type"><a href="qdir.html">QDir</a></span><span class="operator">::</span>AllEntries <span class="operator">|</span>
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<span class="type"><a href="qdir.html">QDir</a></span><span class="operator">::</span>AllDirs <span class="operator">|</span>
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<span class="type"><a href="qdir.html">QDir</a></span><span class="operator">::</span>NoDotAndDotDot <span class="operator">|</span>
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<span class="type"><a href="qdir.html">QDir</a></span><span class="operator">::</span>Hidden)<span class="operator">,</span>
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m_sortFlags(<span class="type"><a href="qdir.html">QDir</a></span><span class="operator">::</span>Name)
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{
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<span class="type"><a href="qxmlnamepool.html">QXmlNamePool</a></span> np <span class="operator">=</span> namePool();
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m_names<span class="operator">.</span>resize(<span class="number">7</span>);
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m_names<span class="operator">[</span>File<span class="operator">]</span> <span class="operator">=</span> <span class="type"><a href="qxmlname.html">QXmlName</a></span>(np<span class="operator">,</span> QLatin1String(<span class="string">"file"</span>));
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m_names<span class="operator">[</span>Directory<span class="operator">]</span> <span class="operator">=</span> <span class="type"><a href="qxmlname.html">QXmlName</a></span>(np<span class="operator">,</span> QLatin1String(<span class="string">"directory"</span>));
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m_names<span class="operator">[</span>AttributeFileName<span class="operator">]</span> <span class="operator">=</span> <span class="type"><a href="qxmlname.html">QXmlName</a></span>(np<span class="operator">,</span> QLatin1String(<span class="string">"fileName"</span>));
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m_names<span class="operator">[</span>AttributeFilePath<span class="operator">]</span> <span class="operator">=</span> <span class="type"><a href="qxmlname.html">QXmlName</a></span>(np<span class="operator">,</span> QLatin1String(<span class="string">"filePath"</span>));
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m_names<span class="operator">[</span>AttributeSize<span class="operator">]</span> <span class="operator">=</span> <span class="type"><a href="qxmlname.html">QXmlName</a></span>(np<span class="operator">,</span> QLatin1String(<span class="string">"size"</span>));
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m_names<span class="operator">[</span>AttributeMIMEType<span class="operator">]</span> <span class="operator">=</span> <span class="type"><a href="qxmlname.html">QXmlName</a></span>(np<span class="operator">,</span> QLatin1String(<span class="string">"mimeType"</span>));
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m_names<span class="operator">[</span>AttributeSuffix<span class="operator">]</span> <span class="operator">=</span> <span class="type"><a href="qxmlname.html">QXmlName</a></span>(np<span class="operator">,</span> QLatin1String(<span class="string">"suffix"</span>));
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}
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<span class="comment">/*!
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Returns the QXmlNodeModelIndex for the model node representing
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the directory \a dirName.
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It calls QDir::cleanPath(), because an instance of QFileInfo
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constructed for a path ending in '/' will return the empty string in
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fileName(), instead of the directory name.
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*/</span>
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<span class="type"><a href="qxmlnodemodelindex.html">QXmlNodeModelIndex</a></span> FileTree<span class="operator">::</span>nodeFor(<span class="keyword">const</span> <span class="type"><a href="qstring.html">QString</a></span><span class="operator">&</span> dirName) <span class="keyword">const</span>
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{
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<span class="type"><a href="qfileinfo.html">QFileInfo</a></span> dirInfo(<span class="type"><a href="qdir.html">QDir</a></span><span class="operator">::</span>cleanPath(dirName));
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Q_ASSERT(dirInfo<span class="operator">.</span>exists());
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<span class="keyword">return</span> toNodeIndex(dirInfo);
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}
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<span class="comment">/*!
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Since the value will always be in m_fileInfos, it is safe for
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us to return a const reference to it.
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*/</span>
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<span class="keyword">const</span> <span class="type"><a href="qfileinfo.html">QFileInfo</a></span><span class="operator">&</span>
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FileTree<span class="operator">::</span>toFileInfo(<span class="keyword">const</span> <span class="type"><a href="qxmlnodemodelindex.html">QXmlNodeModelIndex</a></span> <span class="operator">&</span>nodeIndex) <span class="keyword">const</span>
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{
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<span class="keyword">return</span> m_fileInfos<span class="operator">.</span>at(nodeIndex<span class="operator">.</span>data());
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}
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<span class="comment">/*!
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Returns the model node index for the node specified by the
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QFileInfo and node Type.
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*/</span>
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<span class="type"><a href="qxmlnodemodelindex.html">QXmlNodeModelIndex</a></span>
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FileTree<span class="operator">::</span>toNodeIndex(<span class="keyword">const</span> <span class="type"><a href="qfileinfo.html">QFileInfo</a></span> <span class="operator">&</span>fileInfo<span class="operator">,</span> Type attributeName) <span class="keyword">const</span>
|
|
{
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<span class="keyword">const</span> <span class="type">int</span> indexOf <span class="operator">=</span> m_fileInfos<span class="operator">.</span>indexOf(fileInfo);
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|
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<span class="keyword">if</span> (indexOf <span class="operator">=</span><span class="operator">=</span> <span class="operator">-</span><span class="number">1</span>) {
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m_fileInfos<span class="operator">.</span>append(fileInfo);
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<span class="keyword">return</span> createIndex(m_fileInfos<span class="operator">.</span>count()<span class="operator">-</span><span class="number">1</span><span class="operator">,</span> attributeName);
|
|
}
|
|
<span class="keyword">else</span>
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<span class="keyword">return</span> createIndex(indexOf<span class="operator">,</span> attributeName);
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}
|
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|
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<span class="comment">/*!
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|
Returns the model node index for the node specified by the
|
|
QFileInfo, which must be a Type::File or Type::Directory.
|
|
*/</span>
|
|
<span class="type"><a href="qxmlnodemodelindex.html">QXmlNodeModelIndex</a></span> FileTree<span class="operator">::</span>toNodeIndex(<span class="keyword">const</span> <span class="type"><a href="qfileinfo.html">QFileInfo</a></span> <span class="operator">&</span>fileInfo) <span class="keyword">const</span>
|
|
{
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|
<span class="keyword">return</span> toNodeIndex(fileInfo<span class="operator">,</span> fileInfo<span class="operator">.</span>isDir() <span class="operator">?</span> Directory : File);
|
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}
|
|
|
|
<span class="comment">/*!
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|
This private helper function is only called by nextFromSimpleAxis().
|
|
It is called whenever nextFromSimpleAxis() is called with an axis
|
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parameter of either \c{PreviousSibling} or \c{NextSibling}.
|
|
*/</span>
|
|
<span class="type"><a href="qxmlnodemodelindex.html">QXmlNodeModelIndex</a></span> FileTree<span class="operator">::</span>nextSibling(<span class="keyword">const</span> <span class="type"><a href="qxmlnodemodelindex.html">QXmlNodeModelIndex</a></span> <span class="operator">&</span>nodeIndex<span class="operator">,</span>
|
|
<span class="keyword">const</span> <span class="type"><a href="qfileinfo.html">QFileInfo</a></span> <span class="operator">&</span>fileInfo<span class="operator">,</span>
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|
<span class="type"><a href="qtglobal.html#qint8-typedef">qint8</a></span> offset) <span class="keyword">const</span>
|
|
{
|
|
Q_ASSERT(offset <span class="operator">=</span><span class="operator">=</span> <span class="operator">-</span><span class="number">1</span> <span class="operator">|</span><span class="operator">|</span> offset <span class="operator">=</span><span class="operator">=</span> <span class="number">1</span>);
|
|
|
|
<span class="comment">// Get the context node's parent.</span>
|
|
<span class="keyword">const</span> <span class="type"><a href="qxmlnodemodelindex.html">QXmlNodeModelIndex</a></span> parent(nextFromSimpleAxis(Parent<span class="operator">,</span> nodeIndex));
|
|
|
|
<span class="keyword">if</span> (parent<span class="operator">.</span>isNull())
|
|
<span class="keyword">return</span> <span class="type"><a href="qxmlnodemodelindex.html">QXmlNodeModelIndex</a></span>();
|
|
|
|
<span class="comment">// Get the parent's child list.</span>
|
|
<span class="keyword">const</span> <span class="type"><a href="qfileinfo.html">QFileInfo</a></span> parentFI(toFileInfo(parent));
|
|
Q_ASSERT(Type(parent<span class="operator">.</span>additionalData()) <span class="operator">=</span><span class="operator">=</span> Directory);
|
|
<span class="keyword">const</span> <span class="type"><a href="qfileinfo.html#QFileInfoList-typedef">QFileInfoList</a></span> siblings(<span class="type"><a href="qdir.html">QDir</a></span>(parentFI<span class="operator">.</span>absoluteFilePath())<span class="operator">.</span>entryInfoList(<span class="type"><a href="qstringlist.html">QStringList</a></span>()<span class="operator">,</span>
|
|
m_filterAllowAll<span class="operator">,</span>
|
|
m_sortFlags));
|
|
Q_ASSERT_X(<span class="operator">!</span>siblings<span class="operator">.</span>isEmpty()<span class="operator">,</span> Q_FUNC_INFO<span class="operator">,</span> <span class="string">"Can't happen! We started at a child."</span>);
|
|
|
|
<span class="comment">// Find the index of the child where we started.</span>
|
|
<span class="keyword">const</span> <span class="type">int</span> indexOfMe <span class="operator">=</span> siblings<span class="operator">.</span>indexOf(fileInfo);
|
|
|
|
<span class="comment">// Apply the offset.</span>
|
|
<span class="keyword">const</span> <span class="type">int</span> siblingIndex <span class="operator">=</span> indexOfMe <span class="operator">+</span> offset;
|
|
<span class="keyword">if</span> (siblingIndex <span class="operator"><</span> <span class="number">0</span> <span class="operator">|</span><span class="operator">|</span> siblingIndex <span class="operator">></span> siblings<span class="operator">.</span>count() <span class="operator">-</span> <span class="number">1</span>)
|
|
<span class="keyword">return</span> <span class="type"><a href="qxmlnodemodelindex.html">QXmlNodeModelIndex</a></span>();
|
|
<span class="keyword">else</span>
|
|
<span class="keyword">return</span> toNodeIndex(siblings<span class="operator">.</span>at(siblingIndex));
|
|
}
|
|
|
|
<span class="comment">/*!
|
|
This function is called by the QtXmlPatterns query engine when it
|
|
wants to move to the next node in the model. It moves along an \a
|
|
axis, \e from the node specified by \a nodeIndex.
|
|
|
|
This function is usually the one that requires the most design and
|
|
implementation work, because the implementation depends on the
|
|
perhaps unique structure of your non-XML data.
|
|
|
|
There are \l {QAbstractXmlNodeModel::SimpleAxis} {four values} for
|
|
\a axis that the implementation must handle, but there are really
|
|
only two axes, i.e., vertical and horizontal. Two of the four values
|
|
specify direction on the vertical axis (\c{Parent} and
|
|
\c{FirstChild}), and the other two values specify direction on the
|
|
horizontal axis (\c{PreviousSibling} and \c{NextSibling}).
|
|
|
|
The typical implementation will be a \c switch statement with
|
|
a case for each of the four \a axis values.
|
|
*/</span>
|
|
<span class="type"><a href="qxmlnodemodelindex.html">QXmlNodeModelIndex</a></span>
|
|
FileTree<span class="operator">::</span>nextFromSimpleAxis(SimpleAxis axis<span class="operator">,</span> <span class="keyword">const</span> <span class="type"><a href="qxmlnodemodelindex.html">QXmlNodeModelIndex</a></span> <span class="operator">&</span>nodeIndex) <span class="keyword">const</span>
|
|
{
|
|
<span class="keyword">const</span> <span class="type"><a href="qfileinfo.html">QFileInfo</a></span> fi(toFileInfo(nodeIndex));
|
|
<span class="keyword">const</span> Type type <span class="operator">=</span> Type(nodeIndex<span class="operator">.</span>additionalData());
|
|
|
|
<span class="keyword">if</span> (type <span class="operator">!</span><span class="operator">=</span> File <span class="operator">&</span><span class="operator">&</span> type <span class="operator">!</span><span class="operator">=</span> Directory) {
|
|
Q_ASSERT_X(axis <span class="operator">=</span><span class="operator">=</span> Parent<span class="operator">,</span> Q_FUNC_INFO<span class="operator">,</span> <span class="string">"An attribute only has a parent!"</span>);
|
|
<span class="keyword">return</span> toNodeIndex(fi<span class="operator">,</span> Directory);
|
|
}
|
|
|
|
<span class="keyword">switch</span> (axis) {
|
|
<span class="keyword">case</span> Parent:
|
|
<span class="keyword">return</span> toNodeIndex(<span class="type"><a href="qfileinfo.html">QFileInfo</a></span>(fi<span class="operator">.</span>path())<span class="operator">,</span> Directory);
|
|
|
|
<span class="keyword">case</span> FirstChild:
|
|
{
|
|
<span class="keyword">if</span> (type <span class="operator">=</span><span class="operator">=</span> File) <span class="comment">// A file has no children.</span>
|
|
<span class="keyword">return</span> <span class="type"><a href="qxmlnodemodelindex.html">QXmlNodeModelIndex</a></span>();
|
|
<span class="keyword">else</span> {
|
|
Q_ASSERT(type <span class="operator">=</span><span class="operator">=</span> Directory);
|
|
Q_ASSERT_X(fi<span class="operator">.</span>isDir()<span class="operator">,</span> Q_FUNC_INFO<span class="operator">,</span> <span class="string">"It isn't really a directory!"</span>);
|
|
<span class="keyword">const</span> <span class="type"><a href="qdir.html">QDir</a></span> dir(fi<span class="operator">.</span>absoluteFilePath());
|
|
Q_ASSERT(dir<span class="operator">.</span>exists());
|
|
|
|
<span class="keyword">const</span> <span class="type"><a href="qfileinfo.html#QFileInfoList-typedef">QFileInfoList</a></span> children(dir<span class="operator">.</span>entryInfoList(<span class="type"><a href="qstringlist.html">QStringList</a></span>()<span class="operator">,</span>
|
|
m_filterAllowAll<span class="operator">,</span>
|
|
m_sortFlags));
|
|
<span class="keyword">if</span> (children<span class="operator">.</span>isEmpty())
|
|
<span class="keyword">return</span> <span class="type"><a href="qxmlnodemodelindex.html">QXmlNodeModelIndex</a></span>();
|
|
<span class="keyword">const</span> <span class="type"><a href="qfileinfo.html">QFileInfo</a></span> firstChild(children<span class="operator">.</span>first());
|
|
<span class="keyword">return</span> toNodeIndex(firstChild);
|
|
}
|
|
}
|
|
|
|
<span class="keyword">case</span> PreviousSibling:
|
|
<span class="keyword">return</span> nextSibling(nodeIndex<span class="operator">,</span> fi<span class="operator">,</span> <span class="operator">-</span><span class="number">1</span>);
|
|
|
|
<span class="keyword">case</span> NextSibling:
|
|
<span class="keyword">return</span> nextSibling(nodeIndex<span class="operator">,</span> fi<span class="operator">,</span> <span class="number">1</span>);
|
|
}
|
|
|
|
Q_ASSERT_X(<span class="keyword">false</span><span class="operator">,</span> Q_FUNC_INFO<span class="operator">,</span> <span class="string">"Don't ever get here!"</span>);
|
|
<span class="keyword">return</span> <span class="type"><a href="qxmlnodemodelindex.html">QXmlNodeModelIndex</a></span>();
|
|
}
|
|
|
|
<span class="comment">/*!
|
|
No matter what part of the file system we model (the whole file
|
|
tree or a subtree), \a node will always have \c{file:///} as
|
|
the document URI.
|
|
*/</span>
|
|
<span class="type"><a href="qurl.html">QUrl</a></span> FileTree<span class="operator">::</span>documentUri(<span class="keyword">const</span> <span class="type"><a href="qxmlnodemodelindex.html">QXmlNodeModelIndex</a></span> <span class="operator">&</span>node) <span class="keyword">const</span>
|
|
{
|
|
Q_UNUSED(node);
|
|
<span class="keyword">return</span> <span class="type"><a href="qurl.html">QUrl</a></span>(<span class="string">"file:///"</span>);
|
|
}
|
|
|
|
<span class="comment">/*!
|
|
This function returns QXmlNodeModelIndex::Element if \a node
|
|
is a directory or a file, and QXmlNodeModelIndex::Attribute
|
|
otherwise.
|
|
*/</span>
|
|
<span class="type"><a href="qxmlnodemodelindex.html">QXmlNodeModelIndex</a></span><span class="operator">::</span>NodeKind
|
|
FileTree<span class="operator">::</span>kind(<span class="keyword">const</span> <span class="type"><a href="qxmlnodemodelindex.html">QXmlNodeModelIndex</a></span> <span class="operator">&</span>node) <span class="keyword">const</span>
|
|
{
|
|
<span class="keyword">switch</span> (Type(node<span class="operator">.</span>additionalData())) {
|
|
<span class="keyword">case</span> Directory:
|
|
<span class="keyword">case</span> File:
|
|
<span class="keyword">return</span> <span class="type"><a href="qxmlnodemodelindex.html">QXmlNodeModelIndex</a></span><span class="operator">::</span>Element;
|
|
<span class="keyword">default</span>:
|
|
<span class="keyword">return</span> <span class="type"><a href="qxmlnodemodelindex.html">QXmlNodeModelIndex</a></span><span class="operator">::</span>Attribute;
|
|
}
|
|
}
|
|
|
|
<span class="comment">/*!
|
|
No order is defined for this example, so we always return
|
|
QXmlNodeModelIndex::Precedes, just to keep everyone happy.
|
|
*/</span>
|
|
<span class="type"><a href="qxmlnodemodelindex.html">QXmlNodeModelIndex</a></span><span class="operator">::</span>DocumentOrder
|
|
FileTree<span class="operator">::</span>compareOrder(<span class="keyword">const</span> <span class="type"><a href="qxmlnodemodelindex.html">QXmlNodeModelIndex</a></span><span class="operator">&</span><span class="operator">,</span>
|
|
<span class="keyword">const</span> <span class="type"><a href="qxmlnodemodelindex.html">QXmlNodeModelIndex</a></span><span class="operator">&</span>) <span class="keyword">const</span>
|
|
{
|
|
<span class="keyword">return</span> <span class="type"><a href="qxmlnodemodelindex.html">QXmlNodeModelIndex</a></span><span class="operator">::</span>Precedes;
|
|
}
|
|
|
|
<span class="comment">/*!
|
|
Returns the name of \a node. The caller guarantees that \a node is
|
|
not null and that it is contained in this node model.
|
|
*/</span>
|
|
<span class="type"><a href="qxmlname.html">QXmlName</a></span> FileTree<span class="operator">::</span>name(<span class="keyword">const</span> <span class="type"><a href="qxmlnodemodelindex.html">QXmlNodeModelIndex</a></span> <span class="operator">&</span>node) <span class="keyword">const</span>
|
|
{
|
|
<span class="keyword">return</span> m_names<span class="operator">.</span>at(node<span class="operator">.</span>additionalData());
|
|
}
|
|
|
|
<span class="comment">/*!
|
|
Always returns the QXmlNodeModelIndex for the root of the
|
|
file system, i.e. "/".
|
|
*/</span>
|
|
<span class="type"><a href="qxmlnodemodelindex.html">QXmlNodeModelIndex</a></span> FileTree<span class="operator">::</span>root(<span class="keyword">const</span> <span class="type"><a href="qxmlnodemodelindex.html">QXmlNodeModelIndex</a></span> <span class="operator">&</span>node) <span class="keyword">const</span>
|
|
{
|
|
Q_UNUSED(node);
|
|
<span class="keyword">return</span> toNodeIndex(<span class="type"><a href="qfileinfo.html">QFileInfo</a></span>(QLatin1String(<span class="string">"/"</span>)));
|
|
}
|
|
|
|
<span class="comment">/*!
|
|
Returns the typed value for \a node, which must be either an
|
|
attribute or an element. The QVariant returned represents the atomic
|
|
value of an attribute or the atomic value contained in an element.
|
|
|
|
If the QVariant is returned as a default constructed variant,
|
|
it means that \a node has no typed value.
|
|
*/</span>
|
|
<span class="type"><a href="qvariant.html">QVariant</a></span> FileTree<span class="operator">::</span>typedValue(<span class="keyword">const</span> <span class="type"><a href="qxmlnodemodelindex.html">QXmlNodeModelIndex</a></span> <span class="operator">&</span>node) <span class="keyword">const</span>
|
|
{
|
|
<span class="keyword">const</span> <span class="type"><a href="qfileinfo.html">QFileInfo</a></span> <span class="operator">&</span>fi <span class="operator">=</span> toFileInfo(node);
|
|
|
|
<span class="keyword">switch</span> (Type(node<span class="operator">.</span>additionalData())) {
|
|
<span class="keyword">case</span> Directory:
|
|
<span class="comment">// deliberate fall through.</span>
|
|
<span class="keyword">case</span> File:
|
|
<span class="keyword">return</span> <span class="type"><a href="qstring.html">QString</a></span>();
|
|
<span class="keyword">case</span> AttributeFileName:
|
|
<span class="keyword">return</span> fi<span class="operator">.</span>fileName();
|
|
<span class="keyword">case</span> AttributeFilePath:
|
|
<span class="keyword">return</span> fi<span class="operator">.</span>filePath();
|
|
<span class="keyword">case</span> AttributeSize:
|
|
<span class="keyword">return</span> fi<span class="operator">.</span>size();
|
|
<span class="keyword">case</span> AttributeMIMEType:
|
|
{
|
|
<span class="comment">/* We don't have any MIME detection code currently, so return
|
|
* the most generic one. */</span>
|
|
<span class="keyword">return</span> QLatin1String(<span class="string">"application/octet-stream"</span>);
|
|
}
|
|
<span class="keyword">case</span> AttributeSuffix:
|
|
<span class="keyword">return</span> fi<span class="operator">.</span>suffix();
|
|
}
|
|
|
|
Q_ASSERT_X(<span class="keyword">false</span><span class="operator">,</span> Q_FUNC_INFO<span class="operator">,</span> <span class="string">"This line should never be reached."</span>);
|
|
<span class="keyword">return</span> <span class="type"><a href="qstring.html">QString</a></span>();
|
|
}
|
|
|
|
<span class="comment">/*!
|
|
Returns the attributes of \a element. The caller guarantees
|
|
that \a element is an element in this node model.
|
|
*/</span>
|
|
<span class="type"><a href="qvector.html">QVector</a></span><span class="operator"><</span><span class="type"><a href="qxmlnodemodelindex.html">QXmlNodeModelIndex</a></span><span class="operator">></span>
|
|
FileTree<span class="operator">::</span>attributes(<span class="keyword">const</span> <span class="type"><a href="qxmlnodemodelindex.html">QXmlNodeModelIndex</a></span> <span class="operator">&</span>element) <span class="keyword">const</span>
|
|
{
|
|
<span class="type"><a href="qvector.html">QVector</a></span><span class="operator"><</span><span class="type"><a href="qxmlnodemodelindex.html">QXmlNodeModelIndex</a></span><span class="operator">></span> result;
|
|
|
|
<span class="comment">/* Both elements has this attribute. */</span>
|
|
<span class="keyword">const</span> <span class="type"><a href="qfileinfo.html">QFileInfo</a></span> <span class="operator">&</span>forElement <span class="operator">=</span> toFileInfo(element);
|
|
result<span class="operator">.</span>append(toNodeIndex(forElement<span class="operator">,</span> AttributeFilePath));
|
|
result<span class="operator">.</span>append(toNodeIndex(forElement<span class="operator">,</span> AttributeFileName));
|
|
|
|
<span class="keyword">if</span> (Type(element<span class="operator">.</span>additionalData() <span class="operator">=</span><span class="operator">=</span> File)) {
|
|
result<span class="operator">.</span>append(toNodeIndex(forElement<span class="operator">,</span> AttributeSize));
|
|
result<span class="operator">.</span>append(toNodeIndex(forElement<span class="operator">,</span> AttributeSuffix));
|
|
<span class="comment">//result.append(toNodeIndex(forElement, AttributeMIMEType));</span>
|
|
}
|
|
<span class="keyword">else</span> {
|
|
Q_ASSERT(element<span class="operator">.</span>additionalData() <span class="operator">=</span><span class="operator">=</span> Directory);
|
|
}
|
|
|
|
<span class="keyword">return</span> result;
|
|
}</pre>
|
|
</div>
|
|
<!-- @@@xmlpatterns/filetree/filetree.cpp -->
|
|
</div>
|
|
</div>
|
|
</div>
|
|
<div class="ft">
|
|
<span></span>
|
|
</div>
|
|
</div>
|
|
<div class="footer">
|
|
<p>
|
|
<acronym title="Copyright">©</acronym> 2015 The Qt Company Ltd.
|
|
Documentation contributions included herein are the copyrights of
|
|
their respective owners.</p>
|
|
<br />
|
|
<p>
|
|
The documentation provided herein is licensed under the terms of the
|
|
<a href="http://www.gnu.org/licenses/fdl.html">GNU Free Documentation
|
|
License version 1.3</a> as published by the Free Software Foundation.</p>
|
|
<p>
|
|
Documentation sources may be obtained from <a href="http://www.qt-project.org">
|
|
www.qt-project.org</a>.</p>
|
|
<br />
|
|
<p>
|
|
Qt and respective logos are trademarks of The Qt Company Ltd
|
|
in Finland and/or other countries worldwide. All other trademarks are property
|
|
of their respective owners. <a title="Privacy Policy"
|
|
href="http://en.gitorious.org/privacy_policy/">Privacy Policy</a></p>
|
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</div>
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|
|
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