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<td >Qt 5.9</td><td ><a href="qtxml-index.html">Qt XML</a></td><td ><a href="qtxml-module.html">C++ Classes</a></td><td >QDomNodeList</td></tr></table><table class="buildversion"><tr>
<td id="buildversion" width="100%" align="right">Qt 5.9.4 Reference Documentation</td>
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<h3><a name="toc">Contents</a></h3>
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<li class="level1"><a href="#public-functions">Public Functions</a></li>
<li class="level1"><a href="#details">Detailed Description</a></li>
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<h1 class="title">QDomNodeList Class</h1>
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<p>The <a href="qdomnodelist.html">QDomNodeList</a> class is a list of <a href="qdomnode.html">QDomNode</a> objects. <a href="#details">More...</a></p>
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<tr><td class="memItemLeft rightAlign topAlign"> Header:</td><td class="memItemRight bottomAlign">   <span class="preprocessor">#include &lt;QDomNodeList&gt;</span>
</td></tr><tr><td class="memItemLeft rightAlign topAlign"> qmake:</td><td class="memItemRight bottomAlign"> QT += xml</td></tr></table></div><ul>
<li><a href="qdomnodelist-members.html">List of all members, including inherited members</a></li>
</ul>
<p><b>Note:</b> All functions in this class are reentrant.</p>
<a name="public-functions"></a>
<h2 id="public-functions">Public Functions</h2>
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<tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qdomnodelist.html#QDomNodeList">QDomNodeList</a></b>()</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qdomnodelist.html#QDomNodeList-1">QDomNodeList</a></b>(const QDomNodeList &amp;<i>n</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qdomnodelist.html#dtor.QDomNodeList">~QDomNodeList</a></b>()</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QDomNode </td><td class="memItemRight bottomAlign"><b><a href="qdomnodelist.html#at">at</a></b>(int <i>index</i>) const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> int </td><td class="memItemRight bottomAlign"><b><a href="qdomnodelist.html#count">count</a></b>() const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> bool </td><td class="memItemRight bottomAlign"><b><a href="qdomnodelist.html#isEmpty">isEmpty</a></b>() const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QDomNode </td><td class="memItemRight bottomAlign"><b><a href="qdomnodelist.html#item">item</a></b>(int <i>index</i>) const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> int </td><td class="memItemRight bottomAlign"><b><a href="qdomnodelist.html#length">length</a></b>() const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> int </td><td class="memItemRight bottomAlign"><b><a href="qdomnodelist.html#size">size</a></b>() const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> bool </td><td class="memItemRight bottomAlign"><b><a href="qdomnodelist.html#operator-not-eq">operator!=</a></b>(const QDomNodeList &amp;<i>n</i>) const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QDomNodeList &amp;</td><td class="memItemRight bottomAlign"><b><a href="qdomnodelist.html#operator-eq">operator=</a></b>(const QDomNodeList &amp;<i>n</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> bool </td><td class="memItemRight bottomAlign"><b><a href="qdomnodelist.html#operator-eq-eq">operator==</a></b>(const QDomNodeList &amp;<i>n</i>) const</td></tr>
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<a name="details"></a>
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<h2 id="details">Detailed Description</h2>
<p>The <a href="qdomnodelist.html">QDomNodeList</a> class is a list of <a href="qdomnode.html">QDomNode</a> objects.</p>
<p>Lists can be obtained by <a href="qdomdocument.html#elementsByTagName">QDomDocument::elementsByTagName</a>() and <a href="qdomnode.html#childNodes">QDomNode::childNodes</a>(). The Document Object Model (DOM) requires these lists to be &quot;live&quot;: whenever you change the underlying document, the contents of the list will get updated.</p>
<p>You can get a particular node from the list with <a href="qdomnodelist.html#item">item</a>(). The number of items in the list is returned by <a href="qdomnodelist.html#length">length</a>().</p>
<p>For further information about the Document Object Model see <a href="http://www.w3.org/TR/REC-DOM-Level-1/">Level 1</a> and <a href="http://www.w3.org/TR/DOM-Level-2-Core/">Level 2 Core</a>. For a more general introduction of the DOM implementation see the <a href="qdomdocument.html">QDomDocument</a> documentation.</p>
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<p><b>See also </b><a href="qdomnode.html#childNodes">QDomNode::childNodes</a>() and <a href="qdomdocument.html#elementsByTagName">QDomDocument::elementsByTagName</a>().</p>
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<h2>Member Function Documentation</h2>
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<h3 class="fn" id="QDomNodeList"><a name="QDomNodeList"></a>QDomNodeList::<span class="name">QDomNodeList</span>()</h3>
<p>Creates an empty node list.</p>
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<h3 class="fn" id="QDomNodeList-1"><a name="QDomNodeList-1"></a>QDomNodeList::<span class="name">QDomNodeList</span>(const <span class="type"><a href="qdomnodelist.html#QDomNodeList">QDomNodeList</a></span> &amp;<i>n</i>)</h3>
<p>Constructs a copy of <i>n</i>.</p>
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<h3 class="fn" id="dtor.QDomNodeList"><a name="dtor.QDomNodeList"></a>QDomNodeList::<span class="name">~QDomNodeList</span>()</h3>
<p>Destroys the object and frees its resources.</p>
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<h3 class="fn" id="at"><a name="at"></a><span class="type"><a href="qdomnode.html">QDomNode</a></span> QDomNodeList::<span class="name">at</span>(<span class="type">int</span> <i>index</i>) const</h3>
<p>This function is provided for Qt API consistency. It is equivalent to <a href="qdomnodelist.html#item">item</a>().</p>
<p>If <i>index</i> is negative or if <i>index</i> &gt;= <a href="qdomnodelist.html#length">length</a>() then a null node is returned (i.e&#x2e; a node for which <a href="qdomnode.html#isNull">QDomNode::isNull</a>() returns true).</p>
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<h3 class="fn" id="count"><a name="count"></a><span class="type">int</span> QDomNodeList::<span class="name">count</span>() const</h3>
<p>This function is provided for Qt API consistency. It is equivalent to <a href="qdomnodelist.html#length">length</a>().</p>
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<h3 class="fn" id="isEmpty"><a name="isEmpty"></a><span class="type">bool</span> QDomNodeList::<span class="name">isEmpty</span>() const</h3>
<p>Returns <code>true</code> if the list contains no items; otherwise returns <code>false</code>. This function is provided for Qt API consistency.</p>
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<h3 class="fn" id="item"><a name="item"></a><span class="type"><a href="qdomnode.html">QDomNode</a></span> QDomNodeList::<span class="name">item</span>(<span class="type">int</span> <i>index</i>) const</h3>
<p>Returns the node at position <i>index</i>.</p>
<p>If <i>index</i> is negative or if <i>index</i> &gt;= <a href="qdomnodelist.html#length">length</a>() then a null node is returned (i.e&#x2e; a node for which <a href="qdomnode.html#isNull">QDomNode::isNull</a>() returns true).</p>
<p><b>See also </b><a href="qdomnodelist.html#length">length</a>().</p>
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<h3 class="fn" id="length"><a name="length"></a><span class="type">int</span> QDomNodeList::<span class="name">length</span>() const</h3>
<p>Returns the number of nodes in the list.</p>
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<h3 class="fn" id="size"><a name="size"></a><span class="type">int</span> QDomNodeList::<span class="name">size</span>() const</h3>
<p>This function is provided for Qt API consistency. It is equivalent to <a href="qdomnodelist.html#length">length</a>().</p>
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<h3 class="fn" id="operator-not-eq"><a name="operator-not-eq"></a><span class="type">bool</span> QDomNodeList::<span class="name">operator!=</span>(const <span class="type"><a href="qdomnodelist.html#QDomNodeList">QDomNodeList</a></span> &amp;<i>n</i>) const</h3>
<p>Returns <code>true</code> the node list <i>n</i> and this node list are not equal; otherwise returns <code>false</code>.</p>
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<h3 class="fn" id="operator-eq"><a name="operator-eq"></a><span class="type"><a href="qdomnodelist.html#QDomNodeList">QDomNodeList</a></span> &amp;QDomNodeList::<span class="name">operator=</span>(const <span class="type"><a href="qdomnodelist.html#QDomNodeList">QDomNodeList</a></span> &amp;<i>n</i>)</h3>
<p>Assigns <i>n</i> to this node list.</p>
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<h3 class="fn" id="operator-eq-eq"><a name="operator-eq-eq"></a><span class="type">bool</span> QDomNodeList::<span class="name">operator==</span>(const <span class="type"><a href="qdomnodelist.html#QDomNodeList">QDomNodeList</a></span> &amp;<i>n</i>) const</h3>
<p>Returns <code>true</code> if the node list <i>n</i> and this node list are equal; otherwise returns <code>false</code>.</p>
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