<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html> <html lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <!-- qxml.cpp --> <title>QXmlDTDHandler Class | Qt XML 5.12.2</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 >QXmlDTDHandler</td></tr></table><table class="buildversion"><tr> <td id="buildversion" width="100%" align="right"><a href="qtxml-index.html">Qt 5.12.2 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">QXmlDTDHandler Class</h1> <!-- $$$QXmlDTDHandler-brief --> <p>The <a href="qxmldtdhandler.html">QXmlDTDHandler</a> class provides an interface to report DTD content of XML data. <a href="#details">More...</a></p> <!-- @@@QXmlDTDHandler --> <div class="table"><table class="alignedsummary"> <tr><td class="memItemLeft rightAlign topAlign"> Header:</td><td class="memItemRight bottomAlign"> <span class="preprocessor">#include <QXmlDTDHandler></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"> Inherited By:</td><td class="memItemRight bottomAlign"> <p><a href="qxmldefaulthandler.html">QXmlDefaultHandler</a></p> </td></tr></table></div><ul> <li><a href="qxmldtdhandler-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"> virtual </td><td class="memItemRight bottomAlign"><b><a href="qxmldtdhandler.html#dtor.QXmlDTDHandler">~QXmlDTDHandler</a></b>()</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> virtual QString </td><td class="memItemRight bottomAlign"><b><a href="qxmldtdhandler.html#errorString">errorString</a></b>() const = 0</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> virtual bool </td><td class="memItemRight bottomAlign"><b><a href="qxmldtdhandler.html#notationDecl">notationDecl</a></b>(const QString &<i>name</i>, const QString &<i>publicId</i>, const QString &<i>systemId</i>) = 0</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> virtual bool </td><td class="memItemRight bottomAlign"><b><a href="qxmldtdhandler.html#unparsedEntityDecl">unparsedEntityDecl</a></b>(const QString &<i>name</i>, const QString &<i>publicId</i>, const QString &<i>systemId</i>, const QString &<i>notationName</i>) = 0</td></tr> </table></div> <a name="details"></a> <!-- $$$QXmlDTDHandler-description --> <div class="descr"> <h2 id="details">Detailed Description</h2> <p>The <a href="qxmldtdhandler.html">QXmlDTDHandler</a> class provides an interface to report DTD content of XML data.</p> <p>If an application needs information about notations and unparsed entities, it can implement this interface and register an instance with <a href="qxmlreader.html#setDTDHandler">QXmlReader::setDTDHandler</a>().</p> <p>Note that this interface includes only those DTD events that the XML recommendation requires processors to report, i.e. notation and unparsed entity declarations using <a href="qxmldtdhandler.html#notationDecl">notationDecl</a>() and <a href="qxmldtdhandler.html#unparsedEntityDecl">unparsedEntityDecl</a>() respectively.</p> </div> <p><b>See also </b><a href="qxmldeclhandler.html">QXmlDeclHandler</a>, <a href="qxmlcontenthandler.html">QXmlContentHandler</a>, <a href="qxmlentityresolver.html">QXmlEntityResolver</a>, <a href="qxmlerrorhandler.html">QXmlErrorHandler</a>, <a href="qxmllexicalhandler.html">QXmlLexicalHandler</a>, and <a href="xml-sax.html#introduction-to-sax2">Introduction to SAX2</a>.</p> <!-- @@@QXmlDTDHandler --> <div class="func"> <h2>Member Function Documentation</h2> <!-- $$$~QXmlDTDHandler[overload1]$$$~QXmlDTDHandler --> <h3 class="fn" id="dtor.QXmlDTDHandler"><a name="dtor.QXmlDTDHandler"></a><code>[virtual] </code>QXmlDTDHandler::<span class="name">~QXmlDTDHandler</span>()</h3> <p>Destroys the DTD handler.</p> <!-- @@@~QXmlDTDHandler --> <!-- $$$errorString[overload1]$$$errorString --> <h3 class="fn" id="errorString"><a name="errorString"></a><code>[pure virtual] </code><span class="type"><a href="../qtcore/qstring.html">QString</a></span> QXmlDTDHandler::<span class="name">errorString</span>() const</h3> <p>The reader calls this function to get an error string if any of the handler functions returns <code>false</code>.</p> <!-- @@@errorString --> <!-- $$$notationDecl[overload1]$$$notationDeclconstQString&constQString&constQString& --> <h3 class="fn" id="notationDecl"><a name="notationDecl"></a><code>[pure virtual] </code><span class="type">bool</span> QXmlDTDHandler::<span class="name">notationDecl</span>(const <span class="type"><a href="../qtcore/qstring.html">QString</a></span> &<i>name</i>, const <span class="type"><a href="../qtcore/qstring.html">QString</a></span> &<i>publicId</i>, const <span class="type"><a href="../qtcore/qstring.html">QString</a></span> &<i>systemId</i>)</h3> <p>The reader calls this function when it has parsed a notation declaration.</p> <p>The argument <i>name</i> is the notation name, <i>publicId</i> is the notation's public identifier and <i>systemId</i> is the notation's system identifier.</p> <p>If this function returns <code>false</code> the reader stops parsing and reports an error. The reader uses the function <a href="qxmldtdhandler.html#errorString">errorString</a>() to get the error message.</p> <!-- @@@notationDecl --> <!-- $$$unparsedEntityDecl[overload1]$$$unparsedEntityDeclconstQString&constQString&constQString&constQString& --> <h3 class="fn" id="unparsedEntityDecl"><a name="unparsedEntityDecl"></a><code>[pure virtual] </code><span class="type">bool</span> QXmlDTDHandler::<span class="name">unparsedEntityDecl</span>(const <span class="type"><a href="../qtcore/qstring.html">QString</a></span> &<i>name</i>, const <span class="type"><a href="../qtcore/qstring.html">QString</a></span> &<i>publicId</i>, const <span class="type"><a href="../qtcore/qstring.html">QString</a></span> &<i>systemId</i>, const <span class="type"><a href="../qtcore/qstring.html">QString</a></span> &<i>notationName</i>)</h3> <p>The reader calls this function when it finds an unparsed entity declaration.</p> <p>The argument <i>name</i> is the unparsed entity's name, <i>publicId</i> is the entity's public identifier, <i>systemId</i> is the entity's system identifier and <i>notationName</i> is the name of the associated notation.</p> <p>If this function returns <code>false</code> the reader stops parsing and reports an error. The reader uses the function <a href="qxmldtdhandler.html#errorString">errorString</a>() to get the error message.</p> <!-- @@@unparsedEntityDecl --> </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>