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<p>The QXmlErrorHandler class provides an interface to report errors in XML data. <a href="#details">More...</a></p>
<pre> #include <QXmlErrorHandler></pre><p><b>This class is not part of the Qt GUI Framework Edition.</b></p>
<p>Inherited by <a href="qxmldefaulthandler.html">QXmlDefaultHandler</a>.</p>
<p><b>Note:</b> All functions in this class are <a href="threads-reentrancy.html#reentrant">reentrant</a>.</p>
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<h2>Public Functions</h2>
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<tr><td class="memItemLeft" align="right" valign="top">virtual </td><td class="memItemRight" valign="bottom"><b><a href="qxmlerrorhandler.html#dtor.QXmlErrorHandler">~QXmlErrorHandler</a></b> ()</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual bool </td><td class="memItemRight" valign="bottom"><b><a href="qxmlerrorhandler.html#error">error</a></b> ( const QXmlParseException & <i>exception</i> ) = 0</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual QString </td><td class="memItemRight" valign="bottom"><b><a href="qxmlerrorhandler.html#errorString">errorString</a></b> () const = 0</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual bool </td><td class="memItemRight" valign="bottom"><b><a href="qxmlerrorhandler.html#fatalError">fatalError</a></b> ( const QXmlParseException & <i>exception</i> ) = 0</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual bool </td><td class="memItemRight" valign="bottom"><b><a href="qxmlerrorhandler.html#warning">warning</a></b> ( const QXmlParseException & <i>exception</i> ) = 0</td></tr>
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<h2>Detailed Description</h2>
<p>The QXmlErrorHandler 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>
<p>See also <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"><a name="dtor.QXmlErrorHandler"></a>QXmlErrorHandler::~QXmlErrorHandler () <tt> [virtual]</tt></h3>
<p>Destroys the error handler.</p>
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<h3 class="fn"><a name="error"></a>bool QXmlErrorHandler::error ( const <a href="qxmlparseexception.html">QXmlParseException</a> & <i>exception</i> ) <tt> [pure virtual]</tt></h3>
<p>A reader might use this function to report a recoverable error. A recoverable error corresponds to the definiton of "error" 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 false 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"><a name="errorString"></a><a href="qstring.html">QString</a> QXmlErrorHandler::errorString () const <tt> [pure virtual]</tt></h3>
<p>The reader calls this function to get an error string if any of the handler functions returns false.</p>
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<h3 class="fn"><a name="fatalError"></a>bool QXmlErrorHandler::fatalError ( const <a href="qxmlparseexception.html">QXmlParseException</a> & <i>exception</i> ) <tt> [pure virtual]</tt></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 true 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"><a name="warning"></a>bool QXmlErrorHandler::warning ( const <a href="qxmlparseexception.html">QXmlParseException</a> & <i>exception</i> ) <tt> [pure virtual]</tt></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 false 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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