<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html> <html lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <!-- qdom.cpp --> <title>QDomNodeList Class | Qt XML 5.12.6</title> <link rel="stylesheet" type="text/css" href="style/offline-simple.css" /> <script type="text/javascript"> document.getElementsByTagName("link").item(0).setAttribute("href", "style/offline.css"); // loading style sheet breaks anchors that were jumped to before // so force jumping to anchor again setTimeout(function() { var anchor = location.hash; // need to jump to different anchor first (e.g. none) location.hash = "#"; setTimeout(function() { location.hash = anchor; }, 0); }, 0); </script> </head> <body> <div class="header" id="qtdocheader"> <div class="main"> <div class="main-rounded"> <div class="navigationbar"> <table><tr> <td >Qt 5.12</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"><a href="qtxml-index.html">Qt 5.12.6 Reference Documentation</a></td> </tr></table> </div> </div> <div class="content"> <div class="line"> <div class="content mainContent"> <div class="sidebar"> <div class="toc"> <h3><a name="toc">Contents</a></h3> <ul> <li class="level1"><a href="#public-functions">Public Functions</a></li> <li class="level1"><a href="#details">Detailed Description</a></li> </ul> </div> <div class="sidebar-content" id="sidebar-content"></div></div> <h1 class="title">QDomNodeList Class</h1> <!-- $$$QDomNodeList-brief --> <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> <!-- @@@QDomNodeList --> <div class="table"><table class="alignedsummary"> <tr><td class="memItemLeft rightAlign topAlign"> Header:</td><td class="memItemRight bottomAlign"> <span class="preprocessor">#include <QDomNodeList></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> <div class="table"><table class="alignedsummary"> <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 &<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 &<i>n</i>) const</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> QDomNodeList &</td><td class="memItemRight bottomAlign"><b><a href="qdomnodelist.html#operator-eq">operator=</a></b>(const QDomNodeList &<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 &<i>n</i>) const</td></tr> </table></div> <a name="details"></a> <!-- $$$QDomNodeList-description --> <div class="descr"> <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 "live": 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> </div> <p><b>See also </b><a href="qdomnode.html#childNodes">QDomNode::childNodes</a>() and <a href="qdomdocument.html#elementsByTagName">QDomDocument::elementsByTagName</a>().</p> <!-- @@@QDomNodeList --> <div class="func"> <h2>Member Function Documentation</h2> <!-- $$$QDomNodeList[overload1]$$$QDomNodeList --> <h3 class="fn" id="QDomNodeList"><a name="QDomNodeList"></a>QDomNodeList::<span class="name">QDomNodeList</span>()</h3> <p>Creates an empty node list.</p> <!-- @@@QDomNodeList --> <!-- $$$QDomNodeList$$$QDomNodeListconstQDomNodeList& --> <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> &<i>n</i>)</h3> <p>Constructs a copy of <i>n</i>.</p> <!-- @@@QDomNodeList --> <!-- $$$~QDomNodeList[overload1]$$$~QDomNodeList --> <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> <!-- @@@~QDomNodeList --> <!-- $$$at[overload1]$$$atint --> <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> >= <a href="qdomnodelist.html#length">length</a>() then a null node is returned (i.e. a node for which <a href="qdomnode.html#isNull">QDomNode::isNull</a>() returns true).</p> <!-- @@@at --> <!-- $$$count[overload1]$$$count --> <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> <!-- @@@count --> <!-- $$$isEmpty[overload1]$$$isEmpty --> <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> <!-- @@@isEmpty --> <!-- $$$item[overload1]$$$itemint --> <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> >= <a href="qdomnodelist.html#length">length</a>() then a null node is returned (i.e. 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> <!-- @@@item --> <!-- $$$length[overload1]$$$length --> <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> <!-- @@@length --> <!-- $$$size[overload1]$$$size --> <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> <!-- @@@size --> <!-- $$$operator!=[overload1]$$$operator!=constQDomNodeList& --> <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> &<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> <!-- @@@operator!= --> <!-- $$$operator=[overload1]$$$operator=constQDomNodeList& --> <h3 class="fn" id="operator-eq"><a name="operator-eq"></a><span class="type"><a href="qdomnodelist.html#QDomNodeList">QDomNodeList</a></span> &QDomNodeList::<span class="name">operator=</span>(const <span class="type"><a href="qdomnodelist.html#QDomNodeList">QDomNodeList</a></span> &<i>n</i>)</h3> <p>Assigns <i>n</i> to this node list.</p> <!-- @@@operator= --> <!-- $$$operator==[overload1]$$$operator==constQDomNodeList& --> <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> &<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> <!-- @@@operator== --> </div> </div> </div> </div> </div> </div> <div class="footer"> <p> <acronym title="Copyright">©</acronym> 2019 The Qt Company Ltd. Documentation contributions included herein are the copyrights of their respective owners.<br/> 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.<br/> 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. </p> </div> </body> </html>