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<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 >QDomNamedNodeMap</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>
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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">QDomNamedNodeMap Class</h1>
<!-- $$$QDomNamedNodeMap-brief -->
<p>The <a href="qdomnamednodemap.html">QDomNamedNodeMap</a> class contains a collection of nodes that can be accessed by name. <a href="#details">More...</a></p>
<!-- @@@QDomNamedNodeMap -->
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft rightAlign topAlign"> Header:</td><td class="memItemRight bottomAlign"> <span class="preprocessor">#include <QDomNamedNodeMap></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="qdomnamednodemap-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="qdomnamednodemap.html#QDomNamedNodeMap">QDomNamedNodeMap</a></b>()</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qdomnamednodemap.html#QDomNamedNodeMap-1">QDomNamedNodeMap</a></b>(const QDomNamedNodeMap &<i>n</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qdomnamednodemap.html#dtor.QDomNamedNodeMap">~QDomNamedNodeMap</a></b>()</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> bool </td><td class="memItemRight bottomAlign"><b><a href="qdomnamednodemap.html#contains">contains</a></b>(const QString &<i>name</i>) const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> int </td><td class="memItemRight bottomAlign"><b><a href="qdomnamednodemap.html#count">count</a></b>() const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> bool </td><td class="memItemRight bottomAlign"><b><a href="qdomnamednodemap.html#isEmpty">isEmpty</a></b>() const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QDomNode </td><td class="memItemRight bottomAlign"><b><a href="qdomnamednodemap.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="qdomnamednodemap.html#length">length</a></b>() const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QDomNode </td><td class="memItemRight bottomAlign"><b><a href="qdomnamednodemap.html#namedItem">namedItem</a></b>(const QString &<i>name</i>) const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QDomNode </td><td class="memItemRight bottomAlign"><b><a href="qdomnamednodemap.html#namedItemNS">namedItemNS</a></b>(const QString &<i>nsURI</i>, const QString &<i>localName</i>) const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QDomNode </td><td class="memItemRight bottomAlign"><b><a href="qdomnamednodemap.html#removeNamedItem">removeNamedItem</a></b>(const QString &<i>name</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QDomNode </td><td class="memItemRight bottomAlign"><b><a href="qdomnamednodemap.html#removeNamedItemNS">removeNamedItemNS</a></b>(const QString &<i>nsURI</i>, const QString &<i>localName</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QDomNode </td><td class="memItemRight bottomAlign"><b><a href="qdomnamednodemap.html#setNamedItem">setNamedItem</a></b>(const QDomNode &<i>newNode</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QDomNode </td><td class="memItemRight bottomAlign"><b><a href="qdomnamednodemap.html#setNamedItemNS">setNamedItemNS</a></b>(const QDomNode &<i>newNode</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> int </td><td class="memItemRight bottomAlign"><b><a href="qdomnamednodemap.html#size">size</a></b>() const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> bool </td><td class="memItemRight bottomAlign"><b><a href="qdomnamednodemap.html#operator-not-eq">operator!=</a></b>(const QDomNamedNodeMap &<i>n</i>) const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QDomNamedNodeMap &</td><td class="memItemRight bottomAlign"><b><a href="qdomnamednodemap.html#operator-eq">operator=</a></b>(const QDomNamedNodeMap &<i>n</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> bool </td><td class="memItemRight bottomAlign"><b><a href="qdomnamednodemap.html#operator-eq-eq">operator==</a></b>(const QDomNamedNodeMap &<i>n</i>) const</td></tr>
</table></div>
<a name="details"></a>
<!-- $$$QDomNamedNodeMap-description -->
<div class="descr">
<h2 id="details">Detailed Description</h2>
<p>The <a href="qdomnamednodemap.html">QDomNamedNodeMap</a> class contains a collection of nodes that can be accessed by name.</p>
<p>Note that <a href="qdomnamednodemap.html">QDomNamedNodeMap</a> does not inherit from <a href="qdomnodelist.html">QDomNodeList</a>. QDomNamedNodeMaps do not provide any specific node ordering. Although nodes in a <a href="qdomnamednodemap.html">QDomNamedNodeMap</a> may be accessed by an ordinal index, this is simply to allow a convenient enumeration of the contents of a <a href="qdomnamednodemap.html">QDomNamedNodeMap</a>, and does not imply that the DOM specifies an ordering of the nodes.</p>
<p>The <a href="qdomnamednodemap.html">QDomNamedNodeMap</a> is used in three places:</p>
<ol class="1" type="1"><li><a href="qdomdocumenttype.html#entities">QDomDocumentType::entities</a>() returns a map of all entities described in the DTD.</li>
<li><a href="qdomdocumenttype.html#notations">QDomDocumentType::notations</a>() returns a map of all notations described in the DTD.</li>
<li><a href="qdomnode.html#attributes">QDomNode::attributes</a>() returns a map of all attributes of an element.</li>
</ol>
<p>Items in the map are identified by the name which QDomNode::name() returns. Nodes are retrieved using <a href="qdomnamednodemap.html#namedItem">namedItem</a>(), <a href="qdomnamednodemap.html#namedItemNS">namedItemNS</a>() or <a href="qdomnamednodemap.html#item">item</a>(). New nodes are inserted with <a href="qdomnamednodemap.html#setNamedItem">setNamedItem</a>() or <a href="qdomnamednodemap.html#setNamedItemNS">setNamedItemNS</a>() and removed with <a href="qdomnamednodemap.html#removeNamedItem">removeNamedItem</a>() or <a href="qdomnamednodemap.html#removeNamedItemNS">removeNamedItemNS</a>(). Use <a href="qdomnamednodemap.html#contains">contains</a>() to see if an item with the given name is in the named node map. The number of items is returned by <a href="qdomnamednodemap.html#length">length</a>().</p>
<p>Terminology: in this class we use "item" and "node" interchangeably.</p>
</div>
<!-- @@@QDomNamedNodeMap -->
<div class="func">
<h2>Member Function Documentation</h2>
<!-- $$$QDomNamedNodeMap[overload1]$$$QDomNamedNodeMap -->
<h3 class="fn" id="QDomNamedNodeMap"><a name="QDomNamedNodeMap"></a>QDomNamedNodeMap::<span class="name">QDomNamedNodeMap</span>()</h3>
<p>Constructs an empty named node map.</p>
<!-- @@@QDomNamedNodeMap -->
<!-- $$$QDomNamedNodeMap$$$QDomNamedNodeMapconstQDomNamedNodeMap& -->
<h3 class="fn" id="QDomNamedNodeMap-1"><a name="QDomNamedNodeMap-1"></a>QDomNamedNodeMap::<span class="name">QDomNamedNodeMap</span>(const <span class="type"><a href="qdomnamednodemap.html#QDomNamedNodeMap">QDomNamedNodeMap</a></span> &<i>n</i>)</h3>
<p>Constructs a copy of <i>n</i>.</p>
<!-- @@@QDomNamedNodeMap -->
<!-- $$$~QDomNamedNodeMap[overload1]$$$~QDomNamedNodeMap -->
<h3 class="fn" id="dtor.QDomNamedNodeMap"><a name="dtor.QDomNamedNodeMap"></a>QDomNamedNodeMap::<span class="name">~QDomNamedNodeMap</span>()</h3>
<p>Destroys the object and frees its resources.</p>
<!-- @@@~QDomNamedNodeMap -->
<!-- $$$contains[overload1]$$$containsconstQString& -->
<h3 class="fn" id="contains"><a name="contains"></a><span class="type">bool</span> QDomNamedNodeMap::<span class="name">contains</span>(const <span class="type"><a href="../qtcore/qstring.html">QString</a></span> &<i>name</i>) const</h3>
<p>Returns <code>true</code> if the map contains a node called <i>name</i>; otherwise returns <code>false</code>.</p>
<p><b>Note:</b> This function does not take the presence of namespaces into account. Use <a href="qdomnamednodemap.html#namedItemNS">namedItemNS</a>() to test whether the map contains a node with a specific namespace URI and name.</p>
<!-- @@@contains -->
<!-- $$$count[overload1]$$$count -->
<h3 class="fn" id="count"><a name="count"></a><span class="type">int</span> QDomNamedNodeMap::<span class="name">count</span>() const</h3>
<p>This function is provided for Qt API consistency. It is equivalent to <a href="qdomnamednodemap.html#length">length</a>().</p>
<!-- @@@count -->
<!-- $$$isEmpty[overload1]$$$isEmpty -->
<h3 class="fn" id="isEmpty"><a name="isEmpty"></a><span class="type">bool</span> QDomNamedNodeMap::<span class="name">isEmpty</span>() const</h3>
<p>Returns <code>true</code> if the map is empty; 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> QDomNamedNodeMap::<span class="name">item</span>(<span class="type">int</span> <i>index</i>) const</h3>
<p>Retrieves the node at position <i>index</i>.</p>
<p>This can be used to iterate over the map. Note that the nodes in the map are ordered arbitrarily.</p>
<p><b>See also </b><a href="qdomnamednodemap.html#length">length</a>().</p>
<!-- @@@item -->
<!-- $$$length[overload1]$$$length -->
<h3 class="fn" id="length"><a name="length"></a><span class="type">int</span> QDomNamedNodeMap::<span class="name">length</span>() const</h3>
<p>Returns the number of nodes in the map.</p>
<p><b>See also </b><a href="qdomnamednodemap.html#item">item</a>().</p>
<!-- @@@length -->
<!-- $$$namedItem[overload1]$$$namedItemconstQString& -->
<h3 class="fn" id="namedItem"><a name="namedItem"></a><span class="type"><a href="qdomnode.html">QDomNode</a></span> QDomNamedNodeMap::<span class="name">namedItem</span>(const <span class="type"><a href="../qtcore/qstring.html">QString</a></span> &<i>name</i>) const</h3>
<p>Returns the node called <i>name</i>.</p>
<p>If the named node map does not contain such a node, a <a href="qdomnode.html#isNull">null node</a> is returned. A node's name is the name returned by <a href="qdomnode.html#nodeName">QDomNode::nodeName</a>().</p>
<p><b>See also </b><a href="qdomnamednodemap.html#setNamedItem">setNamedItem</a>() and <a href="qdomnamednodemap.html#namedItemNS">namedItemNS</a>().</p>
<!-- @@@namedItem -->
<!-- $$$namedItemNS[overload1]$$$namedItemNSconstQString&constQString& -->
<h3 class="fn" id="namedItemNS"><a name="namedItemNS"></a><span class="type"><a href="qdomnode.html">QDomNode</a></span> QDomNamedNodeMap::<span class="name">namedItemNS</span>(const <span class="type"><a href="../qtcore/qstring.html">QString</a></span> &<i>nsURI</i>, const <span class="type"><a href="../qtcore/qstring.html">QString</a></span> &<i>localName</i>) const</h3>
<p>Returns the node associated with the local name <i>localName</i> and the namespace URI <i>nsURI</i>.</p>
<p>If the map does not contain such a node, a <a href="qdomnode.html#isNull">null node</a> is returned.</p>
<p><b>See also </b><a href="qdomnamednodemap.html#setNamedItemNS">setNamedItemNS</a>() and <a href="qdomnamednodemap.html#namedItem">namedItem</a>().</p>
<!-- @@@namedItemNS -->
<!-- $$$removeNamedItem[overload1]$$$removeNamedItemconstQString& -->
<h3 class="fn" id="removeNamedItem"><a name="removeNamedItem"></a><span class="type"><a href="qdomnode.html">QDomNode</a></span> QDomNamedNodeMap::<span class="name">removeNamedItem</span>(const <span class="type"><a href="../qtcore/qstring.html">QString</a></span> &<i>name</i>)</h3>
<p>Removes the node called <i>name</i> from the map.</p>
<p>The function returns the removed node or a <a href="qdomnode.html#isNull">null node</a> if the map did not contain a node called <i>name</i>.</p>
<p><b>See also </b><a href="qdomnamednodemap.html#setNamedItem">setNamedItem</a>(), <a href="qdomnamednodemap.html#namedItem">namedItem</a>(), and <a href="qdomnamednodemap.html#removeNamedItemNS">removeNamedItemNS</a>().</p>
<!-- @@@removeNamedItem -->
<!-- $$$removeNamedItemNS[overload1]$$$removeNamedItemNSconstQString&constQString& -->
<h3 class="fn" id="removeNamedItemNS"><a name="removeNamedItemNS"></a><span class="type"><a href="qdomnode.html">QDomNode</a></span> QDomNamedNodeMap::<span class="name">removeNamedItemNS</span>(const <span class="type"><a href="../qtcore/qstring.html">QString</a></span> &<i>nsURI</i>, const <span class="type"><a href="../qtcore/qstring.html">QString</a></span> &<i>localName</i>)</h3>
<p>Removes the node with the local name <i>localName</i> and the namespace URI <i>nsURI</i> from the map.</p>
<p>The function returns the removed node or a <a href="qdomnode.html#isNull">null node</a> if the map did not contain a node with the local name <i>localName</i> and the namespace URI <i>nsURI</i>.</p>
<p><b>See also </b><a href="qdomnamednodemap.html#setNamedItemNS">setNamedItemNS</a>(), <a href="qdomnamednodemap.html#namedItemNS">namedItemNS</a>(), and <a href="qdomnamednodemap.html#removeNamedItem">removeNamedItem</a>().</p>
<!-- @@@removeNamedItemNS -->
<!-- $$$setNamedItem[overload1]$$$setNamedItemconstQDomNode& -->
<h3 class="fn" id="setNamedItem"><a name="setNamedItem"></a><span class="type"><a href="qdomnode.html">QDomNode</a></span> QDomNamedNodeMap::<span class="name">setNamedItem</span>(const <span class="type"><a href="qdomnode.html">QDomNode</a></span> &<i>newNode</i>)</h3>
<p>Inserts the node <i>newNode</i> into the named node map. The name used by the map is the node name of <i>newNode</i> as returned by <a href="qdomnode.html#nodeName">QDomNode::nodeName</a>().</p>
<p>If the new node replaces an existing node, i.e. the map contains a node with the same name, the replaced node is returned.</p>
<p><b>See also </b><a href="qdomnamednodemap.html#namedItem">namedItem</a>(), <a href="qdomnamednodemap.html#removeNamedItem">removeNamedItem</a>(), and <a href="qdomnamednodemap.html#setNamedItemNS">setNamedItemNS</a>().</p>
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<!-- $$$setNamedItemNS[overload1]$$$setNamedItemNSconstQDomNode& -->
<h3 class="fn" id="setNamedItemNS"><a name="setNamedItemNS"></a><span class="type"><a href="qdomnode.html">QDomNode</a></span> QDomNamedNodeMap::<span class="name">setNamedItemNS</span>(const <span class="type"><a href="qdomnode.html">QDomNode</a></span> &<i>newNode</i>)</h3>
<p>Inserts the node <i>newNode</i> in the map. If a node with the same namespace URI and the same local name already exists in the map, it is replaced by <i>newNode</i>. If the new node replaces an existing node, the replaced node is returned.</p>
<p><b>See also </b><a href="qdomnamednodemap.html#namedItemNS">namedItemNS</a>(), <a href="qdomnamednodemap.html#removeNamedItemNS">removeNamedItemNS</a>(), and <a href="qdomnamednodemap.html#setNamedItem">setNamedItem</a>().</p>
<!-- @@@setNamedItemNS -->
<!-- $$$size[overload1]$$$size -->
<h3 class="fn" id="size"><a name="size"></a><span class="type">int</span> QDomNamedNodeMap::<span class="name">size</span>() const</h3>
<p>This function is provided for Qt API consistency. It is equivalent to <a href="qdomnamednodemap.html#length">length</a>().</p>
<!-- @@@size -->
<!-- $$$operator!=[overload1]$$$operator!=constQDomNamedNodeMap& -->
<h3 class="fn" id="operator-not-eq"><a name="operator-not-eq"></a><span class="type">bool</span> QDomNamedNodeMap::<span class="name">operator!=</span>(const <span class="type"><a href="qdomnamednodemap.html#QDomNamedNodeMap">QDomNamedNodeMap</a></span> &<i>n</i>) const</h3>
<p>Returns <code>true</code> if <i>n</i> and this named node map are not equal; otherwise returns <code>false</code>.</p>
<!-- @@@operator!= -->
<!-- $$$operator=[overload1]$$$operator=constQDomNamedNodeMap& -->
<h3 class="fn" id="operator-eq"><a name="operator-eq"></a><span class="type"><a href="qdomnamednodemap.html#QDomNamedNodeMap">QDomNamedNodeMap</a></span> &QDomNamedNodeMap::<span class="name">operator=</span>(const <span class="type"><a href="qdomnamednodemap.html#QDomNamedNodeMap">QDomNamedNodeMap</a></span> &<i>n</i>)</h3>
<p>Assigns <i>n</i> to this named node map.</p>
<!-- @@@operator= -->
<!-- $$$operator==[overload1]$$$operator==constQDomNamedNodeMap& -->
<h3 class="fn" id="operator-eq-eq"><a name="operator-eq-eq"></a><span class="type">bool</span> QDomNamedNodeMap::<span class="name">operator==</span>(const <span class="type"><a href="qdomnamednodemap.html#QDomNamedNodeMap">QDomNamedNodeMap</a></span> &<i>n</i>) const</h3>
<p>Returns <code>true</code> if <i>n</i> and this named node map are equal; otherwise returns <code>false</code>.</p>
<!-- @@@operator== -->
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