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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 >QXmlErrorHandler</td></tr></table><table class="buildversion"><tr>
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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">QXmlErrorHandler Class</h1>
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<p>The <a href="qxmlerrorhandler.html">QXmlErrorHandler</a> class provides an interface to report errors in 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 &lt;QXmlErrorHandler&gt;</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="qxmlerrorhandler-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="qxmlerrorhandler.html#dtor.QXmlErrorHandler">~QXmlErrorHandler</a></b>()</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual bool </td><td class="memItemRight bottomAlign"><b><a href="qxmlerrorhandler.html#error">error</a></b>(const QXmlParseException &amp;<i>exception</i>) = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual QString </td><td class="memItemRight bottomAlign"><b><a href="qxmlerrorhandler.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="qxmlerrorhandler.html#fatalError">fatalError</a></b>(const QXmlParseException &amp;<i>exception</i>) = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual bool </td><td class="memItemRight bottomAlign"><b><a href="qxmlerrorhandler.html#warning">warning</a></b>(const QXmlParseException &amp;<i>exception</i>) = 0</td></tr>
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<h2 id="details">Detailed Description</h2>
<p>The <a href="qxmlerrorhandler.html">QXmlErrorHandler</a> class provides an interface to report errors in XML data.</p>
<p>If you want your application to report errors to the user or to perform customized error handling, you should subclass this class.</p>
<p>You can set the error handler with <a href="qxmlreader.html#setErrorHandler">QXmlReader::setErrorHandler</a>().</p>
<p>Errors can be reported using <a href="qxmlerrorhandler.html#warning">warning</a>(), <a href="qxmlerrorhandler.html#error">error</a>() and <a href="qxmlerrorhandler.html#fatalError">fatalError</a>(), with the error text being reported with <a href="qxmlerrorhandler.html#errorString">errorString</a>().</p>
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<p><b>See also </b><a href="qxmldtdhandler.html">QXmlDTDHandler</a>, <a href="qxmldeclhandler.html">QXmlDeclHandler</a>, <a href="qxmlcontenthandler.html">QXmlContentHandler</a>, <a href="qxmlentityresolver.html">QXmlEntityResolver</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.QXmlErrorHandler"><a name="dtor.QXmlErrorHandler"></a><code>[virtual] </code>QXmlErrorHandler::<span class="name">~QXmlErrorHandler</span>()</h3>
<p>Destroys the error handler.</p>
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<h3 class="fn" id="error"><a name="error"></a><code>[pure virtual] </code><span class="type">bool</span> QXmlErrorHandler::<span class="name">error</span>(const <span class="type"><a href="qxmlparseexception.html">QXmlParseException</a></span> &amp;<i>exception</i>)</h3>
<p>A reader might use this function to report a recoverable error. A recoverable error corresponds to the definiton of &quot;error&quot; in section 1.2 of the XML 1.0 specification. Details of the error are stored in <i>exception</i>.</p>
<p>The reader must continue to provide normal parsing events after invoking this function.</p>
<p>If this function returns <code>false</code> the reader stops parsing and reports an error. The reader uses the function <a href="qxmlerrorhandler.html#errorString">errorString</a>() to get the error message.</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> QXmlErrorHandler::<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="fatalError"><a name="fatalError"></a><code>[pure virtual] </code><span class="type">bool</span> QXmlErrorHandler::<span class="name">fatalError</span>(const <span class="type"><a href="qxmlparseexception.html">QXmlParseException</a></span> &amp;<i>exception</i>)</h3>
<p>A reader must use this function to report a non-recoverable error. Details of the error are stored in <i>exception</i>.</p>
<p>If this function returns <code>true</code> the reader might try to go on parsing and reporting further errors, but no regular parsing events are reported.</p>
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<h3 class="fn" id="warning"><a name="warning"></a><code>[pure virtual] </code><span class="type">bool</span> QXmlErrorHandler::<span class="name">warning</span>(const <span class="type"><a href="qxmlparseexception.html">QXmlParseException</a></span> &amp;<i>exception</i>)</h3>
<p>A reader might use this function to report a warning. Warnings are conditions that are not errors or fatal errors as defined by the XML 1.0 specification. Details of the warning are stored in <i>exception</i>.</p>
<p>If this function returns <code>false</code> the reader stops parsing and reports an error. The reader uses the function <a href="qxmlerrorhandler.html#errorString">errorString</a>() to get the error message.</p>
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