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<h1 class="title">qobjectxmlmodel.cpp Example File</h1>
<span class="small-subtitle">xmlpatterns/qobjectxmlmodel/qobjectxmlmodel.cpp</span>
<!-- $$$xmlpatterns/qobjectxmlmodel/qobjectxmlmodel.cpp-description -->
<div class="descr"> <a name="details"></a>
<pre class="cpp"> <span class="comment">/****************************************************************************
**
** 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:
**
** &quot;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
** &quot;AS IS&quot; 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.&quot;
**
** $QT_END_LICENSE$
**
****************************************************************************/</span>
<span class="preprocessor">#include &lt;QVector&gt;</span>
<span class="preprocessor">#include &lt;QtDebug&gt;</span>
<span class="preprocessor">#include &lt;QCoreApplication&gt;</span>
<span class="preprocessor">#include &lt;QMetaProperty&gt;</span>
<span class="preprocessor">#include &lt;QXmlQuery&gt;</span>
<span class="preprocessor">#include &lt;QXmlResultItems&gt;</span>
<span class="preprocessor">#include &quot;qobjectxmlmodel.h&quot;</span>
<span class="comment">/*
&lt;metaObjects&gt;
&lt;metaObject className=&quot;QObject&quot;/&gt;
&lt;metaObject className=&quot;QWidget&quot; superClass=&quot;QObject&quot;&gt;
&lt;/metaObject&gt;
...
&lt;/metaObjects&gt;
&lt;QObject objectName=&quot;MyWidget&quot; property1=&quot;...&quot; property2=&quot;...&quot;&gt; &lt;!-- This is root() --&gt;
&lt;QObject objectName=&quot;MyFOO&quot; property1=&quot;...&quot;/&gt;
....
&lt;/QObject&gt;
*/</span>
<span class="type">QObjectXmlModel</span><span class="operator">::</span><span class="type">QObjectXmlModel</span>(<span class="type"><a href="qobject.html">QObject</a></span> <span class="operator">*</span><span class="keyword">const</span> object<span class="operator">,</span> <span class="keyword">const</span> <span class="type"><a href="qxmlnamepool.html">QXmlNamePool</a></span> <span class="operator">&amp;</span>np)
: <span class="type"><a href="qsimplexmlnodemodel.html">QSimpleXmlNodeModel</a></span>(np)<span class="operator">,</span>
m_baseURI(<span class="type"><a href="qurl.html">QUrl</a></span><span class="operator">::</span>fromLocalFile(<span class="type"><a href="qcoreapplication.html">QCoreApplication</a></span><span class="operator">::</span>applicationFilePath()))<span class="operator">,</span>
m_root(object)<span class="operator">,</span>
m_allMetaObjects(allMetaObjects())
{
Q_ASSERT(m_baseURI<span class="operator">.</span>isValid());
}
<span class="type"><a href="qxmlnodemodelindex.html">QXmlNodeModelIndex</a></span> <span class="type">QObjectXmlModel</span><span class="operator">::</span>qObjectSibling(<span class="keyword">const</span> <span class="type">int</span> pos<span class="operator">,</span> <span class="keyword">const</span> <span class="type"><a href="qxmlnodemodelindex.html">QXmlNodeModelIndex</a></span> <span class="operator">&amp;</span>n) <span class="keyword">const</span>
{
Q_ASSERT(pos <span class="operator">=</span><span class="operator">=</span> <span class="number">1</span> <span class="operator">|</span><span class="operator">|</span> pos <span class="operator">=</span><span class="operator">=</span> <span class="operator">-</span><span class="number">1</span>);
Q_ASSERT(asQObject(n));
<span class="keyword">const</span> <span class="type"><a href="qobject.html">QObject</a></span> <span class="operator">*</span>parent <span class="operator">=</span> asQObject(n)<span class="operator">-</span><span class="operator">&gt;</span>parent();
<span class="keyword">if</span> (parent) {
<span class="keyword">const</span> <span class="type"><a href="qlist.html">QList</a></span><span class="operator">&lt;</span><span class="type"><a href="qobject.html">QObject</a></span> <span class="operator">*</span><span class="operator">&gt;</span> <span class="operator">&amp;</span>children <span class="operator">=</span> parent<span class="operator">-</span><span class="operator">&gt;</span>children();
<span class="keyword">const</span> <span class="type">int</span> siblingPos <span class="operator">=</span> children<span class="operator">.</span>indexOf(asQObject(n)) <span class="operator">+</span> pos;
<span class="keyword">if</span> (siblingPos <span class="operator">&gt;</span><span class="operator">=</span> <span class="number">0</span> <span class="operator">&amp;</span><span class="operator">&amp;</span> siblingPos <span class="operator">&lt;</span> children<span class="operator">.</span>count())
<span class="keyword">return</span> createIndex(children<span class="operator">.</span>at(siblingPos));
<span class="keyword">else</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> <span class="type"><a href="qxmlnodemodelindex.html">QXmlNodeModelIndex</a></span>();
}
<span class="type">QObjectXmlModel</span><span class="operator">::</span><span class="type">QObjectNodeType</span> <span class="type">QObjectXmlModel</span><span class="operator">::</span>toNodeType(<span class="keyword">const</span> <span class="type"><a href="qxmlnodemodelindex.html">QXmlNodeModelIndex</a></span> <span class="operator">&amp;</span>n)
{
<span class="keyword">return</span> <span class="type">QObjectNodeType</span>(n<span class="operator">.</span>additionalData() <span class="operator">&amp;</span> (<span class="number">15</span> <span class="operator">&lt;</span><span class="operator">&lt;</span> <span class="number">26</span>));
}
<span class="type">QObjectXmlModel</span><span class="operator">::</span>AllMetaObjects <span class="type">QObjectXmlModel</span><span class="operator">::</span>allMetaObjects() <span class="keyword">const</span>
{
<span class="type"><a href="qxmlquery.html">QXmlQuery</a></span> query(namePool());
query<span class="operator">.</span>bindVariable(<span class="string">&quot;root&quot;</span><span class="operator">,</span> root());
query<span class="operator">.</span>setQuery(<span class="string">&quot;declare variable $root external;&quot;</span>
<span class="string">&quot;$root/descendant-or-self::QObject&quot;</span>);
Q_ASSERT(query<span class="operator">.</span>isValid());
<span class="type"><a href="qxmlresultitems.html">QXmlResultItems</a></span> result;
query<span class="operator">.</span>evaluateTo(<span class="operator">&amp;</span>result);
<span class="type"><a href="qxmlitem.html">QXmlItem</a></span> i(result<span class="operator">.</span>next());
AllMetaObjects objects;
<span class="keyword">while</span> (<span class="operator">!</span>i<span class="operator">.</span>isNull()) {
<span class="keyword">const</span> <span class="type"><a href="qmetaobject.html">QMetaObject</a></span> <span class="operator">*</span>moo <span class="operator">=</span> asQObject(i<span class="operator">.</span>toNodeModelIndex())<span class="operator">-</span><span class="operator">&gt;</span>metaObject();
<span class="keyword">while</span> (moo) {
<span class="keyword">if</span> (<span class="operator">!</span>objects<span class="operator">.</span>contains(moo))
objects<span class="operator">.</span>append(moo);
moo <span class="operator">=</span> moo<span class="operator">-</span><span class="operator">&gt;</span>superClass();
}
i <span class="operator">=</span> result<span class="operator">.</span>next();
}
Q_ASSERT(<span class="operator">!</span>objects<span class="operator">.</span>contains(<span class="number">0</span>));
<span class="keyword">return</span> objects;
}
<span class="type"><a href="qxmlnodemodelindex.html">QXmlNodeModelIndex</a></span> <span class="type">QObjectXmlModel</span><span class="operator">::</span>metaObjectSibling(<span class="keyword">const</span> <span class="type">int</span> pos<span class="operator">,</span> <span class="keyword">const</span> <span class="type"><a href="qxmlnodemodelindex.html">QXmlNodeModelIndex</a></span> <span class="operator">&amp;</span>n) <span class="keyword">const</span>
{
Q_ASSERT(pos <span class="operator">=</span><span class="operator">=</span> <span class="number">1</span> <span class="operator">|</span><span class="operator">|</span> pos <span class="operator">=</span><span class="operator">=</span> <span class="operator">-</span><span class="number">1</span>);
Q_ASSERT(<span class="operator">!</span>n<span class="operator">.</span>isNull());
<span class="keyword">const</span> <span class="type">int</span> indexOf <span class="operator">=</span> m_allMetaObjects<span class="operator">.</span>indexOf(<span class="keyword">static_cast</span><span class="operator">&lt;</span><span class="keyword">const</span> <span class="type"><a href="qmetaobject.html">QMetaObject</a></span> <span class="operator">*</span><span class="operator">&gt;</span>(n<span class="operator">.</span>internalPointer())) <span class="operator">+</span> pos;
<span class="keyword">if</span> (indexOf <span class="operator">&gt;</span><span class="operator">=</span> <span class="number">0</span> <span class="operator">&amp;</span><span class="operator">&amp;</span> indexOf <span class="operator">&lt;</span> m_allMetaObjects<span class="operator">.</span>count())
<span class="keyword">return</span> createIndex(<span class="keyword">const_cast</span><span class="operator">&lt;</span><span class="type"><a href="qmetaobject.html">QMetaObject</a></span> <span class="operator">*</span><span class="operator">&gt;</span>(m_allMetaObjects<span class="operator">.</span>at(indexOf))<span class="operator">,</span> MetaObject);
<span class="keyword">else</span>
<span class="keyword">return</span> <span class="type"><a href="qxmlnodemodelindex.html">QXmlNodeModelIndex</a></span>();
}
<span class="type"><a href="qxmlnodemodelindex.html">QXmlNodeModelIndex</a></span> <span class="type">QObjectXmlModel</span><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">&amp;</span>n) <span class="keyword">const</span>
{
<span class="keyword">switch</span> (toNodeType(n))
{
<span class="keyword">case</span> IsQObject:
{
<span class="keyword">switch</span> (axis)
{
<span class="keyword">case</span> Parent:
<span class="keyword">return</span> createIndex(asQObject(n)<span class="operator">-</span><span class="operator">&gt;</span>parent());
<span class="keyword">case</span> FirstChild:
{
<span class="keyword">if</span> (<span class="operator">!</span>asQObject(n) <span class="operator">|</span><span class="operator">|</span> asQObject(n)<span class="operator">-</span><span class="operator">&gt;</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">else</span>
<span class="keyword">return</span> createIndex(asQObject(n)<span class="operator">-</span><span class="operator">&gt;</span>children()<span class="operator">.</span>first());
}
<span class="keyword">case</span> NextSibling:
<span class="keyword">return</span> qObjectSibling(<span class="number">1</span><span class="operator">,</span> n);
<span class="keyword">case</span> PreviousSibling:
{
<span class="keyword">if</span> (asQObject(n) <span class="operator">=</span><span class="operator">=</span> m_root)
<span class="keyword">return</span> createIndex(<span class="type"><a href="qtglobal.html#qint64-typedef">qint64</a></span>(<span class="number">0</span>)<span class="operator">,</span> MetaObjects);
<span class="keyword">else</span>
<span class="keyword">return</span> qObjectSibling(<span class="operator">-</span><span class="number">1</span><span class="operator">,</span> n);
}
}
Q_ASSERT(<span class="keyword">false</span>);
}
<span class="keyword">case</span> <span class="type">QObjectClassName</span>:
<span class="keyword">case</span> <span class="type">QObjectProperty</span>:
{
Q_ASSERT(axis <span class="operator">=</span><span class="operator">=</span> Parent);
<span class="keyword">return</span> createIndex(asQObject(n));
}
<span class="keyword">case</span> MetaObjects:
{
<span class="keyword">switch</span> (axis)
{
<span class="keyword">case</span> Parent:
<span class="keyword">return</span> <span class="type"><a href="qxmlnodemodelindex.html">QXmlNodeModelIndex</a></span>();
<span class="keyword">case</span> PreviousSibling:
<span class="keyword">return</span> <span class="type"><a href="qxmlnodemodelindex.html">QXmlNodeModelIndex</a></span>();
<span class="keyword">case</span> NextSibling:
<span class="keyword">return</span> root();
<span class="keyword">case</span> FirstChild:
{
<span class="keyword">return</span> createIndex(<span class="keyword">const_cast</span><span class="operator">&lt;</span><span class="type"><a href="qmetaobject.html">QMetaObject</a></span><span class="operator">*</span><span class="operator">&gt;</span>(m_allMetaObjects<span class="operator">.</span>first())<span class="operator">,</span>MetaObject);
}
}
Q_ASSERT(<span class="keyword">false</span>);
}
<span class="keyword">case</span> MetaObject:
{
<span class="keyword">switch</span> (axis)
{
<span class="keyword">case</span> FirstChild:
<span class="keyword">return</span> <span class="type"><a href="qxmlnodemodelindex.html">QXmlNodeModelIndex</a></span>();
<span class="keyword">case</span> Parent:
<span class="keyword">return</span> createIndex(<span class="type"><a href="qtglobal.html#qint64-typedef">qint64</a></span>(<span class="number">0</span>)<span class="operator">,</span> MetaObjects);
<span class="keyword">case</span> PreviousSibling:
<span class="keyword">return</span> metaObjectSibling(<span class="operator">-</span><span class="number">1</span><span class="operator">,</span> n);
<span class="keyword">case</span> NextSibling:
<span class="keyword">return</span> metaObjectSibling(<span class="number">1</span><span class="operator">,</span> n);
}
}
<span class="keyword">case</span> MetaObjectClassName:
<span class="keyword">case</span> MetaObjectSuperClass:
{
Q_ASSERT(axis <span class="operator">=</span><span class="operator">=</span> Parent);
<span class="keyword">return</span> createIndex(asQObject(n)<span class="operator">,</span> MetaObject);
}
}
Q_ASSERT(<span class="keyword">false</span>);
<span class="keyword">return</span> <span class="type"><a href="qxmlnodemodelindex.html">QXmlNodeModelIndex</a></span>();
}
<span class="type"><a href="qvector.html">QVector</a></span><span class="operator">&lt;</span><span class="type"><a href="qxmlnodemodelindex.html">QXmlNodeModelIndex</a></span><span class="operator">&gt;</span> <span class="type">QObjectXmlModel</span><span class="operator">::</span>attributes(<span class="keyword">const</span> <span class="type"><a href="qxmlnodemodelindex.html">QXmlNodeModelIndex</a></span><span class="operator">&amp;</span> n) <span class="keyword">const</span>
{
<span class="type"><a href="qvector.html">QVector</a></span><span class="operator">&lt;</span><span class="type"><a href="qxmlnodemodelindex.html">QXmlNodeModelIndex</a></span><span class="operator">&gt;</span> result;
<span class="type"><a href="qobject.html">QObject</a></span> <span class="operator">*</span><span class="keyword">const</span> object <span class="operator">=</span> asQObject(n);
<span class="keyword">switch</span>(toNodeType(n))
{
<span class="keyword">case</span> IsQObject:
{
<span class="keyword">const</span> <span class="type"><a href="qmetaobject.html">QMetaObject</a></span> <span class="operator">*</span><span class="keyword">const</span> metaObject <span class="operator">=</span> object<span class="operator">-</span><span class="operator">&gt;</span>metaObject();
<span class="keyword">const</span> <span class="type">int</span> count <span class="operator">=</span> metaObject<span class="operator">-</span><span class="operator">&gt;</span>propertyCount();
result<span class="operator">.</span>append(createIndex(object<span class="operator">,</span> <span class="type">QObjectClassName</span>));
<span class="keyword">for</span> (<span class="type">int</span> i <span class="operator">=</span> <span class="number">0</span>; i <span class="operator">&lt;</span> count; <span class="operator">+</span><span class="operator">+</span>i) {
<span class="keyword">const</span> <span class="type"><a href="qmetaproperty.html">QMetaProperty</a></span> qmp(metaObject<span class="operator">-</span><span class="operator">&gt;</span>property(i));
<span class="keyword">const</span> <span class="type">int</span> ii <span class="operator">=</span> metaObject<span class="operator">-</span><span class="operator">&gt;</span>indexOfProperty(qmp<span class="operator">.</span>name());
<span class="keyword">if</span> (i <span class="operator">=</span><span class="operator">=</span> ii)
result<span class="operator">.</span>append(createIndex(object<span class="operator">,</span> <span class="type">QObjectProperty</span> <span class="operator">|</span> i));
}
<span class="keyword">return</span> result;
}
<span class="keyword">case</span> MetaObject:
{
result<span class="operator">.</span>append(createIndex(object<span class="operator">,</span> MetaObjectClassName));
result<span class="operator">.</span>append(createIndex(object<span class="operator">,</span> MetaObjectSuperClass));
<span class="keyword">return</span> result;
}
<span class="keyword">default</span>:
<span class="keyword">return</span> <span class="type"><a href="qvector.html">QVector</a></span><span class="operator">&lt;</span><span class="type"><a href="qxmlnodemodelindex.html">QXmlNodeModelIndex</a></span><span class="operator">&gt;</span>();
}
}
<span class="type"><a href="qobject.html">QObject</a></span> <span class="operator">*</span><span class="type">QObjectXmlModel</span><span class="operator">::</span>asQObject(<span class="keyword">const</span> <span class="type"><a href="qxmlnodemodelindex.html">QXmlNodeModelIndex</a></span> <span class="operator">&amp;</span>n)
{
<span class="keyword">return</span> <span class="keyword">static_cast</span><span class="operator">&lt;</span><span class="type"><a href="qobject.html">QObject</a></span> <span class="operator">*</span><span class="operator">&gt;</span>(n<span class="operator">.</span>internalPointer());
}
<span class="type">bool</span> <span class="type">QObjectXmlModel</span><span class="operator">::</span>isProperty(<span class="keyword">const</span> <span class="type"><a href="qxmlnodemodelindex.html">QXmlNodeModelIndex</a></span> n)
{
<span class="keyword">return</span> n<span class="operator">.</span>additionalData() <span class="operator">&amp;</span> <span class="type">QObjectProperty</span>;
}
<span class="type"><a href="qurl.html">QUrl</a></span> <span class="type">QObjectXmlModel</span><span class="operator">::</span>documentUri(<span class="keyword">const</span> <span class="type"><a href="qxmlnodemodelindex.html">QXmlNodeModelIndex</a></span><span class="operator">&amp;</span> ) <span class="keyword">const</span>
{
<span class="keyword">return</span> m_baseURI;
}
<span class="type"><a href="qxmlnodemodelindex.html">QXmlNodeModelIndex</a></span><span class="operator">::</span>NodeKind <span class="type">QObjectXmlModel</span><span class="operator">::</span>kind(<span class="keyword">const</span> <span class="type"><a href="qxmlnodemodelindex.html">QXmlNodeModelIndex</a></span><span class="operator">&amp;</span> n) <span class="keyword">const</span>
{
<span class="keyword">switch</span> (toNodeType(n))
{
<span class="keyword">case</span> IsQObject:
<span class="keyword">case</span> MetaObject:
<span class="keyword">case</span> MetaObjects:
<span class="keyword">return</span> <span class="type"><a href="qxmlnodemodelindex.html">QXmlNodeModelIndex</a></span><span class="operator">::</span>Element;
<span class="keyword">case</span> <span class="type">QObjectProperty</span>:
<span class="keyword">case</span> MetaObjectClassName:
<span class="keyword">case</span> MetaObjectSuperClass:
<span class="keyword">case</span> <span class="type">QObjectClassName</span>:
<span class="keyword">return</span> <span class="type"><a href="qxmlnodemodelindex.html">QXmlNodeModelIndex</a></span><span class="operator">::</span>Attribute;
}
Q_ASSERT(<span class="keyword">false</span>);
<span class="keyword">return</span> <span class="type"><a href="qxmlnodemodelindex.html">QXmlNodeModelIndex</a></span><span class="operator">::</span>Element;
}
<span class="type"><a href="qxmlnodemodelindex.html">QXmlNodeModelIndex</a></span><span class="operator">::</span>DocumentOrder <span class="type">QObjectXmlModel</span><span class="operator">::</span>compareOrder(<span class="keyword">const</span> <span class="type"><a href="qxmlnodemodelindex.html">QXmlNodeModelIndex</a></span><span class="operator">&amp;</span> <span class="operator">,</span> <span class="keyword">const</span> <span class="type"><a href="qxmlnodemodelindex.html">QXmlNodeModelIndex</a></span><span class="operator">&amp;</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>Follows; <span class="comment">// TODO</span>
}
<span class="type"><a href="qxmlnodemodelindex.html">QXmlNodeModelIndex</a></span> <span class="type">QObjectXmlModel</span><span class="operator">::</span>root() <span class="keyword">const</span>
{
<span class="keyword">return</span> createIndex(m_root);
}
<span class="type"><a href="qxmlnodemodelindex.html">QXmlNodeModelIndex</a></span> <span class="type">QObjectXmlModel</span><span class="operator">::</span>root(<span class="keyword">const</span> <span class="type"><a href="qxmlnodemodelindex.html">QXmlNodeModelIndex</a></span><span class="operator">&amp;</span> n) <span class="keyword">const</span>
{
<span class="type"><a href="qobject.html">QObject</a></span> <span class="operator">*</span>p <span class="operator">=</span> asQObject(n);
Q_ASSERT(p);
<span class="keyword">do</span> {
<span class="type"><a href="qobject.html">QObject</a></span> <span class="operator">*</span><span class="keyword">const</span> candidate <span class="operator">=</span> p<span class="operator">-</span><span class="operator">&gt;</span>parent();
<span class="keyword">if</span> (candidate)
p <span class="operator">=</span> candidate;
<span class="keyword">else</span>
<span class="keyword">break</span>;
}
<span class="keyword">while</span> (<span class="keyword">true</span>);
<span class="keyword">return</span> createIndex(p);
}
<span class="comment">/*!
We simply throw all of them into a QList and
return an iterator over it.
*/</span>
<span class="type"><a href="qxmlnodemodelindex.html">QXmlNodeModelIndex</a></span><span class="operator">::</span>List <span class="type">QObjectXmlModel</span><span class="operator">::</span>ancestors(<span class="keyword">const</span> <span class="type"><a href="qxmlnodemodelindex.html">QXmlNodeModelIndex</a></span> n) <span class="keyword">const</span>
{
<span class="keyword">const</span> <span class="type"><a href="qobject.html">QObject</a></span> <span class="operator">*</span>p <span class="operator">=</span> asQObject(n);
Q_ASSERT(p);
<span class="type"><a href="qxmlnodemodelindex.html">QXmlNodeModelIndex</a></span><span class="operator">::</span>List result;
<span class="keyword">do</span> {
<span class="type"><a href="qobject.html">QObject</a></span> <span class="operator">*</span><span class="keyword">const</span> candidate <span class="operator">=</span> p<span class="operator">-</span><span class="operator">&gt;</span>parent();
<span class="keyword">if</span> (candidate) {
result<span class="operator">.</span>append(createIndex(candidate<span class="operator">,</span> <span class="number">0</span>));
p <span class="operator">=</span> candidate;
}
<span class="keyword">else</span>
<span class="keyword">break</span>;
}
<span class="keyword">while</span> (<span class="keyword">true</span>);
<span class="keyword">return</span> result;
}
<span class="type"><a href="qmetaproperty.html">QMetaProperty</a></span> <span class="type">QObjectXmlModel</span><span class="operator">::</span>toMetaProperty(<span class="keyword">const</span> <span class="type"><a href="qxmlnodemodelindex.html">QXmlNodeModelIndex</a></span> <span class="operator">&amp;</span>n)
{
<span class="keyword">const</span> <span class="type">int</span> propertyOffset <span class="operator">=</span> n<span class="operator">.</span>additionalData() <span class="operator">&amp;</span> (<span class="operator">~</span><span class="type">QObjectProperty</span>);
<span class="keyword">const</span> <span class="type"><a href="qobject.html">QObject</a></span> <span class="operator">*</span><span class="keyword">const</span> qo <span class="operator">=</span> asQObject(n);
<span class="keyword">return</span> qo<span class="operator">-</span><span class="operator">&gt;</span>metaObject()<span class="operator">-</span><span class="operator">&gt;</span>property(propertyOffset);
}
<span class="type"><a href="qxmlname.html">QXmlName</a></span> <span class="type">QObjectXmlModel</span><span class="operator">::</span>name(<span class="keyword">const</span> <span class="type"><a href="qxmlnodemodelindex.html">QXmlNodeModelIndex</a></span> <span class="operator">&amp;</span>n) <span class="keyword">const</span>
{
<span class="keyword">switch</span> (toNodeType(n))
{
<span class="keyword">case</span> IsQObject:
<span class="keyword">return</span> <span class="type"><a href="qxmlname.html">QXmlName</a></span>(namePool()<span class="operator">,</span> QLatin1String(<span class="string">&quot;QObject&quot;</span>));
<span class="keyword">case</span> MetaObject:
<span class="keyword">return</span> <span class="type"><a href="qxmlname.html">QXmlName</a></span>(namePool()<span class="operator">,</span> QLatin1String(<span class="string">&quot;metaObject&quot;</span>));
<span class="keyword">case</span> <span class="type">QObjectClassName</span>:
<span class="keyword">case</span> MetaObjectClassName:
<span class="keyword">return</span> <span class="type"><a href="qxmlname.html">QXmlName</a></span>(namePool()<span class="operator">,</span> QLatin1String(<span class="string">&quot;className&quot;</span>));
<span class="keyword">case</span> <span class="type">QObjectProperty</span>:
<span class="keyword">return</span> <span class="type"><a href="qxmlname.html">QXmlName</a></span>(namePool()<span class="operator">,</span> toMetaProperty(n)<span class="operator">.</span>name());
<span class="keyword">case</span> MetaObjects:
<span class="keyword">return</span> <span class="type"><a href="qxmlname.html">QXmlName</a></span>(namePool()<span class="operator">,</span> QLatin1String(<span class="string">&quot;metaObjects&quot;</span>));
<span class="keyword">case</span> MetaObjectSuperClass:
<span class="keyword">return</span> <span class="type"><a href="qxmlname.html">QXmlName</a></span>(namePool()<span class="operator">,</span> QLatin1String(<span class="string">&quot;superClass&quot;</span>));
}
Q_ASSERT(<span class="keyword">false</span>);
<span class="keyword">return</span> <span class="type"><a href="qxmlname.html">QXmlName</a></span>();
}
<span class="type"><a href="qvariant.html">QVariant</a></span> <span class="type">QObjectXmlModel</span><span class="operator">::</span>typedValue(<span class="keyword">const</span> <span class="type"><a href="qxmlnodemodelindex.html">QXmlNodeModelIndex</a></span> <span class="operator">&amp;</span>n) <span class="keyword">const</span>
{
<span class="keyword">switch</span> (toNodeType(n))
{
<span class="keyword">case</span> <span class="type">QObjectProperty</span>:
{
<span class="keyword">const</span> <span class="type"><a href="qvariant.html">QVariant</a></span> <span class="operator">&amp;</span>candidate <span class="operator">=</span> toMetaProperty(n)<span class="operator">.</span>read(asQObject(n));
<span class="keyword">if</span> (isTypeSupported(candidate<span class="operator">.</span>type()))
<span class="keyword">return</span> candidate;
<span class="keyword">else</span>
<span class="keyword">return</span> <span class="type"><a href="qvariant.html">QVariant</a></span>();
}
<span class="keyword">case</span> MetaObjectClassName:
<span class="keyword">return</span> <span class="type"><a href="qvariant.html">QVariant</a></span>(<span class="keyword">static_cast</span><span class="operator">&lt;</span><span class="type"><a href="qmetaobject.html">QMetaObject</a></span><span class="operator">*</span><span class="operator">&gt;</span>(n<span class="operator">.</span>internalPointer())<span class="operator">-</span><span class="operator">&gt;</span>className());
<span class="keyword">case</span> MetaObjectSuperClass:
{
<span class="keyword">const</span> <span class="type"><a href="qmetaobject.html">QMetaObject</a></span> <span class="operator">*</span><span class="keyword">const</span> superClass <span class="operator">=</span> <span class="keyword">static_cast</span><span class="operator">&lt;</span><span class="type"><a href="qmetaobject.html">QMetaObject</a></span><span class="operator">*</span><span class="operator">&gt;</span>(n<span class="operator">.</span>internalPointer())<span class="operator">-</span><span class="operator">&gt;</span>superClass();
<span class="keyword">if</span> (superClass)
<span class="keyword">return</span> <span class="type"><a href="qvariant.html">QVariant</a></span>(superClass<span class="operator">-</span><span class="operator">&gt;</span>className());
<span class="keyword">else</span>
<span class="keyword">return</span> <span class="type"><a href="qvariant.html">QVariant</a></span>();
}
<span class="keyword">case</span> <span class="type">QObjectClassName</span>:
<span class="keyword">return</span> <span class="type"><a href="qvariant.html">QVariant</a></span>(asQObject(n)<span class="operator">-</span><span class="operator">&gt;</span>metaObject()<span class="operator">-</span><span class="operator">&gt;</span>className());
<span class="keyword">default</span>:
<span class="keyword">return</span> <span class="type"><a href="qvariant.html">QVariant</a></span>();
}
}
<span class="comment">/*!
Returns \c true if QVariants of type \a type can be used
in QtXmlPatterns, otherwise \c false.
*/</span>
<span class="type">bool</span> <span class="type">QObjectXmlModel</span><span class="operator">::</span>isTypeSupported(<span class="type"><a href="qvariant.html">QVariant</a></span><span class="operator">::</span>Type type)
{
<span class="comment">/* See data/qatomicvalue.cpp too. */</span>
<span class="keyword">switch</span> (type)
{
<span class="comment">/* Fallthrough all these. */</span>
<span class="keyword">case</span> <span class="type"><a href="qvariant.html">QVariant</a></span><span class="operator">::</span>Char:
<span class="keyword">case</span> <span class="type"><a href="qvariant.html">QVariant</a></span><span class="operator">::</span>String:
<span class="keyword">case</span> <span class="type"><a href="qvariant.html">QVariant</a></span><span class="operator">::</span>Url:
<span class="keyword">case</span> <span class="type"><a href="qvariant.html">QVariant</a></span><span class="operator">::</span>Bool:
<span class="keyword">case</span> <span class="type"><a href="qvariant.html">QVariant</a></span><span class="operator">::</span>ByteArray:
<span class="keyword">case</span> <span class="type"><a href="qvariant.html">QVariant</a></span><span class="operator">::</span>Int:
<span class="keyword">case</span> <span class="type"><a href="qvariant.html">QVariant</a></span><span class="operator">::</span>LongLong:
<span class="keyword">case</span> <span class="type"><a href="qvariant.html">QVariant</a></span><span class="operator">::</span>ULongLong:
<span class="keyword">case</span> <span class="type"><a href="qvariant.html">QVariant</a></span><span class="operator">::</span>Date:
<span class="keyword">case</span> <span class="type"><a href="qvariant.html">QVariant</a></span><span class="operator">::</span>DateTime:
<span class="keyword">case</span> <span class="type"><a href="qvariant.html">QVariant</a></span><span class="operator">::</span>Time:
<span class="keyword">case</span> <span class="type"><a href="qvariant.html">QVariant</a></span><span class="operator">::</span>Double:
<span class="keyword">return</span> <span class="keyword">true</span>;
<span class="keyword">default</span>:
<span class="keyword">return</span> <span class="keyword">false</span>;
}
}</pre>
</div>
<!-- @@@xmlpatterns/qobjectxmlmodel/qobjectxmlmodel.cpp -->
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