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99 lines
4.8 KiB
99 lines
4.8 KiB
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<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
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<title>TQXmlEntityResolver Class</title>
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<font color="#004faf">Home</font></a>
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<td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>TQXmlEntityResolver Class Reference<br><small>[<a href="xml.html">XML module</a>]</small></h1>
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<p>The TQXmlEntityResolver class provides an interface to
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resolve external entities contained in XML data.
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<a href="#details">More...</a>
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<p>All the functions in this class are <a href="threads.html#reentrant">reentrant</a> when TQt is built with thread support.</p>
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<p><tt>#include <<a href="tqxml-h.html">tqxml.h</a>></tt>
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<p>Inherited by <a href="tqxmldefaulthandler.html">TQXmlDefaultHandler</a>.
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<p><a href="tqxmlentityresolver-members.html">List of all member functions.</a>
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<h2>Public Members</h2>
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<ul>
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<li class=fn>virtual bool <a href="#resolveEntity"><b>resolveEntity</b></a> ( const TQString & publicId, const TQString & systemId, TQXmlInputSource *& ret ) = 0</li>
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<li class=fn>virtual TQString <a href="#errorString"><b>errorString</b></a> () = 0</li>
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</ul>
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<hr><a name="details"></a><h2>Detailed Description</h2>
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The TQXmlEntityResolver class provides an interface to
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resolve external entities contained in XML data.
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<p>
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<p> If an application needs to implement customized handling for
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external entities, it must implement this interface, i.e.
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<a href="#resolveEntity">resolveEntity</a>(), and register it with
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<a href="tqxmlreader.html#setEntityResolver">TQXmlReader::setEntityResolver</a>().
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<p> See also the <a href="xml.html#sax2Intro">Introduction to SAX2</a>.
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<p> <p>See also <a href="tqxmldtdhandler.html">TQXmlDTDHandler</a>, <a href="tqxmldeclhandler.html">TQXmlDeclHandler</a>, <a href="tqxmlcontenthandler.html">TQXmlContentHandler</a>, <a href="tqxmlerrorhandler.html">TQXmlErrorHandler</a>, <a href="tqxmllexicalhandler.html">TQXmlLexicalHandler</a>, and <a href="xml-tools.html">XML</a>.
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<hr><h2>Member Function Documentation</h2>
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<h3 class=fn><a href="tqstring.html">TQString</a> <a name="errorString"></a>TQXmlEntityResolver::errorString ()<tt> [pure virtual]</tt>
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</h3>
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<p> The reader calls this function to get an error string if any of
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the handler functions returns FALSE.
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<h3 class=fn>bool <a name="resolveEntity"></a>TQXmlEntityResolver::resolveEntity ( const <a href="tqstring.html">TQString</a> & publicId, const <a href="tqstring.html">TQString</a> & systemId, <a href="tqxmlinputsource.html">TQXmlInputSource</a> *& ret )<tt> [pure virtual]</tt>
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</h3>
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<p> The reader calls this function before it opens any external
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entity, except the top-level document entity. The application may
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request the reader to resolve the entity itself (<em>ret</em> is 0) or
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to use an entirely different input source (<em>ret</em> points to the
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input source).
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<p> The reader deletes the input source <em>ret</em> when it no longer needs
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it, so you should allocate it on the heap with <tt>new</tt>.
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<p> The argument <em>publicId</em> is the public identifier of the external
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entity, <em>systemId</em> is the system identifier of the external
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entity and <em>ret</em> is the return value of this function. If <em>ret</em>
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is 0 the reader should resolve the entity itself, if it is
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non-zero it must point to an input source which the reader uses
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instead.
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<p> If this function returns FALSE the reader stops parsing and
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reports an error. The reader uses the function <a href="#errorString">errorString</a>() to
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get the error message.
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<!-- eof -->
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<hr><p>
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This file is part of the <a href="index.html">TQt toolkit</a>.
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Copyright © 1995-2007
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<a href="http://www.trolltech.com/">Trolltech</a>. All Rights Reserved.<p><address><hr><div align=center>
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<table width=100% cellspacing=0 border=0><tr>
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<td>Copyright © 2007
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<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a>
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<td align=right><div align=right>TQt 3.3.8</div>
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</table></div></address></body>
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