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<p>The QXmlDeclHandler class provides an interface to report declaration content of XML data. <a href="#details">More...</a></p>
<pre> #include <QXmlDeclHandler></pre><p>Inherited by <a href="qxmldefaulthandler.html">QXmlDefaultHandler</a>.</p>
<p><b>Note:</b> All the functions in this class are <a href="threads.html#reentrant">reentrant</a>.</p>
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<li><a href="qxmldeclhandler-members.html">List of all members, including inherited members</a></li>
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<h3>Public Functions</h3>
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<li><div class="fn"/>virtual <b><a href="qxmldeclhandler.html#dtor.QXmlDeclHandler">~QXmlDeclHandler</a></b> ()</li>
<li><div class="fn"/>virtual bool <b><a href="qxmldeclhandler.html#attributeDecl">attributeDecl</a></b> ( const QString & <i>eName</i>, const QString & <i>aName</i>, const QString & <i>type</i>, const QString & <i>valueDefault</i>, const QString & <i>value</i> ) = 0</li>
<li><div class="fn"/>virtual QString <b><a href="qxmldeclhandler.html#errorString">errorString</a></b> () const = 0</li>
<li><div class="fn"/>virtual bool <b><a href="qxmldeclhandler.html#externalEntityDecl">externalEntityDecl</a></b> ( const QString & <i>name</i>, const QString & <i>publicId</i>, const QString & <i>systemId</i> ) = 0</li>
<li><div class="fn"/>virtual bool <b><a href="qxmldeclhandler.html#internalEntityDecl">internalEntityDecl</a></b> ( const QString & <i>name</i>, const QString & <i>value</i> ) = 0</li>
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<h2>Detailed Description</h2>
<p>The QXmlDeclHandler class provides an interface to report declaration content of XML data.</p>
<p>You can set the declaration handler with <a href="qxmlreader.html#setDeclHandler">QXmlReader::setDeclHandler</a>().</p>
<p>This interface is based on the SAX2 extension DeclHandler.</p>
<p>The interface provides <a href="qxmldeclhandler.html#attributeDecl">attributeDecl</a>(), <a href="qxmldeclhandler.html#internalEntityDecl">internalEntityDecl</a>() and <a href="qxmldeclhandler.html#externalEntityDecl">externalEntityDecl</a>() functions.</p>
<p>See also <a href="qxmldtdhandler.html">QXmlDTDHandler</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="qtxml.html#introduction-to-sax2">Introduction to SAX2</a>.</p>
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<h2>Member Function Documentation</h2>
<h3 class="fn"><a name="dtor.QXmlDeclHandler"></a>QXmlDeclHandler::~QXmlDeclHandler () <tt> [virtual]</tt></h3>
<p>Destroys the declaration handler.</p>
<h3 class="fn"><a name="attributeDecl"></a>bool QXmlDeclHandler::attributeDecl ( const <a href="qstring.html">QString</a> & <i>eName</i>, const <a href="qstring.html">QString</a> & <i>aName</i>, const <a href="qstring.html">QString</a> & <i>type</i>, const <a href="qstring.html">QString</a> & <i>valueDefault</i>, const <a href="qstring.html">QString</a> & <i>value</i> ) <tt> [pure virtual]</tt></h3>
<p>The reader calls this function to report an attribute type declaration. Only the effective (first) declaration for an attribute is reported.</p>
<p>The reader passes the name of the associated element in <i>eName</i> and the name of the attribute in <i>aName</i>. It passes a string that represents the attribute type in <i>type</i> and a string that represents the attribute default in <i>valueDefault</i>. This string is one of "#IMPLIED", "#REQUIRED", "#FIXED" or an empty string (if none of the others applies). The reader passes the attribute's default value in <i>value</i>. If no default value is specified in the XML file, <i>value</i> is an empty string.</p>
<p>If this function returns false the reader stops parsing and reports an error. The reader uses the function <a href="qxmldeclhandler.html#errorString">errorString</a>() to get the error message.</p>
<h3 class="fn"><a name="errorString"></a><a href="qstring.html">QString</a> QXmlDeclHandler::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>
<h3 class="fn"><a name="externalEntityDecl"></a>bool QXmlDeclHandler::externalEntityDecl ( const <a href="qstring.html">QString</a> & <i>name</i>, const <a href="qstring.html">QString</a> & <i>publicId</i>, const <a href="qstring.html">QString</a> & <i>systemId</i> ) <tt> [pure virtual]</tt></h3>
<p>The reader calls this function to report a parsed external entity declaration. Only the effective (first) declaration for each entity is reported.</p>
<p>The reader passes the name of the entity in <i>name</i>, the public identifier in <i>publicId</i> and the system identifier in <i>systemId</i>. If there is no public identifier specified, it passes an empty string in <i>publicId</i>.</p>
<p>If this function returns false the reader stops parsing and reports an error. The reader uses the function <a href="qxmldeclhandler.html#errorString">errorString</a>() to get the error message.</p>
<h3 class="fn"><a name="internalEntityDecl"></a>bool QXmlDeclHandler::internalEntityDecl ( const <a href="qstring.html">QString</a> & <i>name</i>, const <a href="qstring.html">QString</a> & <i>value</i> ) <tt> [pure virtual]</tt></h3>
<p>The reader calls this function to report an internal entity declaration. Only the effective (first) declaration is reported.</p>
<p>The reader passes the name of the entity in <i>name</i> and the value of the entity in <i>value</i>.</p>
<p>If this function returns false the reader stops parsing and reports an error. The reader uses the function <a href="qxmldeclhandler.html#errorString">errorString</a>() to get the error message.</p>
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