<?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>QDomCharacterData Class | Qt XML 5.9</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 5.9</td><td ><a href="qtxml-index.html">Qt XML</a></td><td ><a href="qtxml-module.html">C++ Classes</a></td><td >QDomCharacterData</td></tr></table><table class="buildversion"><tr> <td id="buildversion" width="100%" align="right">Qt 5.9.4 Reference Documentation</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">QDomCharacterData Class</h1> <!-- $$$QDomCharacterData-brief --> <p>The <a href="qdomcharacterdata.html">QDomCharacterData</a> class represents a generic string in the DOM. <a href="#details">More...</a></p> <!-- @@@QDomCharacterData --> <div class="table"><table class="alignedsummary"> <tr><td class="memItemLeft rightAlign topAlign"> Header:</td><td class="memItemRight bottomAlign"> <span class="preprocessor">#include <QDomCharacterData></span> </td></tr><tr><td class="memItemLeft rightAlign topAlign"> qmake:</td><td class="memItemRight bottomAlign"> QT += xml</td></tr><tr><td class="memItemLeft rightAlign topAlign"> Inherits:</td><td class="memItemRight bottomAlign"> <a href="qdomnode.html">QDomNode</a></td></tr><tr><td class="memItemLeft rightAlign topAlign"> Inherited By:</td><td class="memItemRight bottomAlign"> <p><a href="qdomcomment.html">QDomComment</a> and <a href="qdomtext.html">QDomText</a></p> </td></tr></table></div><ul> <li><a href="qdomcharacterdata-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="qdomcharacterdata.html#QDomCharacterData">QDomCharacterData</a></b>()</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qdomcharacterdata.html#QDomCharacterData-1">QDomCharacterData</a></b>(const QDomCharacterData &<i>x</i>)</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qdomcharacterdata.html#appendData">appendData</a></b>(const QString &<i>arg</i>)</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> QString </td><td class="memItemRight bottomAlign"><b><a href="qdomcharacterdata.html#data">data</a></b>() const</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qdomcharacterdata.html#deleteData">deleteData</a></b>(unsigned long <i>offset</i>, unsigned long <i>count</i>)</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qdomcharacterdata.html#insertData">insertData</a></b>(unsigned long <i>offset</i>, const QString &<i>arg</i>)</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> int </td><td class="memItemRight bottomAlign"><b><a href="qdomcharacterdata.html#length">length</a></b>() const</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> QDomNode::NodeType </td><td class="memItemRight bottomAlign"><b><a href="qdomcharacterdata.html#nodeType">nodeType</a></b>() const</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qdomcharacterdata.html#replaceData">replaceData</a></b>(unsigned long <i>offset</i>, unsigned long <i>count</i>, const QString &<i>arg</i>)</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qdomcharacterdata.html#setData">setData</a></b>(const QString &<i>v</i>)</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> QString </td><td class="memItemRight bottomAlign"><b><a href="qdomcharacterdata.html#substringData">substringData</a></b>(unsigned long <i>offset</i>, unsigned long <i>count</i>)</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> QDomCharacterData &</td><td class="memItemRight bottomAlign"><b><a href="qdomcharacterdata.html#operator-eq">operator=</a></b>(const QDomCharacterData &<i>x</i>)</td></tr> </table></div> <ul> <li class="fn">65 public functions inherited from <a href="qdomnode.html#public-functions">QDomNode</a></li> </ul> <a name="details"></a> <!-- $$$QDomCharacterData-description --> <div class="descr"> <h2 id="details">Detailed Description</h2> <p>The <a href="qdomcharacterdata.html">QDomCharacterData</a> class represents a generic string in the DOM.</p> <p>Character data as used in XML specifies a generic data string. More specialized versions of this class are <a href="qdomtext.html">QDomText</a>, <a href="qdomcomment.html">QDomComment</a> and <a href="qdomcdatasection.html">QDomCDATASection</a>.</p> <p>The data string is set with <a href="qdomcharacterdata.html#setData">setData</a>() and retrieved with <a href="qdomcharacterdata.html#data">data</a>(). You can retrieve a portion of the data string using <a href="qdomcharacterdata.html#substringData">substringData</a>(). Extra data can be appended with <a href="qdomcharacterdata.html#appendData">appendData</a>(), or inserted with <a href="qdomcharacterdata.html#insertData">insertData</a>(). Portions of the data string can be deleted with <a href="qdomcharacterdata.html#deleteData">deleteData</a>() or replaced with <a href="qdomcharacterdata.html#replaceData">replaceData</a>(). The length of the data string is returned by <a href="qdomcharacterdata.html#length">length</a>().</p> <p>The node type of the node containing this character data is returned by <a href="qdomcharacterdata.html#nodeType">nodeType</a>().</p> </div> <p><b>See also </b><a href="qdomtext.html">QDomText</a>, <a href="qdomcomment.html">QDomComment</a>, and <a href="qdomcdatasection.html">QDomCDATASection</a>.</p> <!-- @@@QDomCharacterData --> <div class="func"> <h2>Member Function Documentation</h2> <!-- $$$QDomCharacterData[overload1]$$$QDomCharacterData --> <h3 class="fn" id="QDomCharacterData"><a name="QDomCharacterData"></a>QDomCharacterData::<span class="name">QDomCharacterData</span>()</h3> <p>Constructs an empty character data object.</p> <!-- @@@QDomCharacterData --> <!-- $$$QDomCharacterData$$$QDomCharacterDataconstQDomCharacterData& --> <h3 class="fn" id="QDomCharacterData-1"><a name="QDomCharacterData-1"></a>QDomCharacterData::<span class="name">QDomCharacterData</span>(const <span class="type"><a href="qdomcharacterdata.html#QDomCharacterData">QDomCharacterData</a></span> &<i>x</i>)</h3> <p>Constructs a copy of <i>x</i>.</p> <p>The data of the copy is shared (shallow copy): modifying one node will also change the other. If you want to make a deep copy, use <a href="qdomnode.html#cloneNode">cloneNode</a>().</p> <!-- @@@QDomCharacterData --> <!-- $$$appendData[overload1]$$$appendDataconstQString& --> <h3 class="fn" id="appendData"><a name="appendData"></a><span class="type">void</span> QDomCharacterData::<span class="name">appendData</span>(const <span class="type"><a href="../qtcore/qstring.html">QString</a></span> &<i>arg</i>)</h3> <p>Appends the string <i>arg</i> to the stored string.</p> <!-- @@@appendData --> <!-- $$$data[overload1]$$$data --> <h3 class="fn" id="data"><a name="data"></a><span class="type"><a href="../qtcore/qstring.html">QString</a></span> QDomCharacterData::<span class="name">data</span>() const</h3> <p>Returns the string stored in this object.</p> <p>If the node is a <a href="qdomnode.html#isNull">null node</a>, it will return an empty string.</p> <p><b>See also </b><a href="qdomcharacterdata.html#setData">setData</a>().</p> <!-- @@@data --> <!-- $$$deleteData[overload1]$$$deleteDataunsignedlongunsignedlong --> <h3 class="fn" id="deleteData"><a name="deleteData"></a><span class="type">void</span> QDomCharacterData::<span class="name">deleteData</span>(<span class="type">unsigned</span> <span class="type">long</span> <i>offset</i>, <span class="type">unsigned</span> <span class="type">long</span> <i>count</i>)</h3> <p>Deletes a substring of length <i>count</i> from position <i>offset</i>.</p> <!-- @@@deleteData --> <!-- $$$insertData[overload1]$$$insertDataunsignedlongconstQString& --> <h3 class="fn" id="insertData"><a name="insertData"></a><span class="type">void</span> QDomCharacterData::<span class="name">insertData</span>(<span class="type">unsigned</span> <span class="type">long</span> <i>offset</i>, const <span class="type"><a href="../qtcore/qstring.html">QString</a></span> &<i>arg</i>)</h3> <p>Inserts the string <i>arg</i> into the stored string at position <i>offset</i>.</p> <!-- @@@insertData --> <!-- $$$length[overload1]$$$length --> <h3 class="fn" id="length"><a name="length"></a><span class="type">int</span> QDomCharacterData::<span class="name">length</span>() const</h3> <p>Returns the length of the stored string.</p> <!-- @@@length --> <!-- $$$nodeType[overload1]$$$nodeType --> <h3 class="fn" id="nodeType"><a name="nodeType"></a><span class="type"><a href="qdomnode.html#NodeType-enum">QDomNode::NodeType</a></span> QDomCharacterData::<span class="name">nodeType</span>() const</h3> <p>Returns the type of node this object refers to (i.e. <code>TextNode</code>, <code>CDATASectionNode</code>, <code>CommentNode</code> or <code>CharacterDataNode</code>). For a <a href="qdomnode.html#isNull">null node</a>, returns <code>CharacterDataNode</code>.</p> <!-- @@@nodeType --> <!-- $$$replaceData[overload1]$$$replaceDataunsignedlongunsignedlongconstQString& --> <h3 class="fn" id="replaceData"><a name="replaceData"></a><span class="type">void</span> QDomCharacterData::<span class="name">replaceData</span>(<span class="type">unsigned</span> <span class="type">long</span> <i>offset</i>, <span class="type">unsigned</span> <span class="type">long</span> <i>count</i>, const <span class="type"><a href="../qtcore/qstring.html">QString</a></span> &<i>arg</i>)</h3> <p>Replaces the substring of length <i>count</i> starting at position <i>offset</i> with the string <i>arg</i>.</p> <!-- @@@replaceData --> <!-- $$$setData[overload1]$$$setDataconstQString& --> <h3 class="fn" id="setData"><a name="setData"></a><span class="type">void</span> QDomCharacterData::<span class="name">setData</span>(const <span class="type"><a href="../qtcore/qstring.html">QString</a></span> &<i>v</i>)</h3> <p>Sets this object's string to <i>v</i>.</p> <p><b>See also </b><a href="qdomcharacterdata.html#data">data</a>().</p> <!-- @@@setData --> <!-- $$$substringData[overload1]$$$substringDataunsignedlongunsignedlong --> <h3 class="fn" id="substringData"><a name="substringData"></a><span class="type"><a href="../qtcore/qstring.html">QString</a></span> QDomCharacterData::<span class="name">substringData</span>(<span class="type">unsigned</span> <span class="type">long</span> <i>offset</i>, <span class="type">unsigned</span> <span class="type">long</span> <i>count</i>)</h3> <p>Returns the substring of length <i>count</i> from position <i>offset</i>.</p> <!-- @@@substringData --> <!-- $$$operator=[overload1]$$$operator=constQDomCharacterData& --> <h3 class="fn" id="operator-eq"><a name="operator-eq"></a><span class="type"><a href="qdomcharacterdata.html#QDomCharacterData">QDomCharacterData</a></span> &QDomCharacterData::<span class="name">operator=</span>(const <span class="type"><a href="qdomcharacterdata.html#QDomCharacterData">QDomCharacterData</a></span> &<i>x</i>)</h3> <p>Assigns <i>x</i> to this character data.</p> <p>The data of the copy is shared (shallow copy): modifying one node will also change the other. If you want to make a deep copy, use <a href="qdomnode.html#cloneNode">cloneNode</a>().</p> <!-- @@@operator= --> </div> </div> </div> </div> </div> </div> <div class="footer"> <p> <acronym title="Copyright">©</acronym> 2017 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>