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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 >QXmlDTDHandler</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">QXmlDTDHandler Class</h1>
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<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>
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<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>
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<li><a href="qxmldtdhandler-members.html">List of all members, including inherited members</a></li>
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<p><b>Note:</b> All functions in this class are reentrant.</p>
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<h2 id="public-functions">Public Functions</h2>
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<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>
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<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>
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<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>
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<h2>Member Function Documentation</h2>
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<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>
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<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>
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<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>
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<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>
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