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160 lines
5.9 KiB
160 lines
5.9 KiB
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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<!-- /home/espenr/tmp/qt-3.3.8-espenr-2499/qt-x11-free-3.3.8/examples/xml/tagreader/tagreader.doc:5 -->
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
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<title>A tiny SAX2 parser</title>
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<a href="index.html">
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<font color="#004faf">Home</font></a>
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<font color="#004faf">All Classes</font></a>
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<font color="#004faf">Main Classes</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>A tiny SAX2 parser</h1>
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<p>
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<p> This example presents a small <a href="xml.html#sax2">SAX2</a>
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reader that outputs the names of all elements in an
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XML document on the command line. The element names are
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indented corresponding to their nesting
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<p> This example is thoroughly explained in a
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<a href="xml-sax-walkthrough.html">walkthrough.</a>
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<p> <hr>
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<p> Header file:
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<p> <pre>/****************************************************************************
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** $Id: qt/structureparser.h 3.3.8 edited Jan 11 14:37 $
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**
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** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
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**
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** This file is part of an example program for TQt. This example
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** program may be used, distributed and modified without limitation.
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**
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*****************************************************************************/
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#ifndef STRUCTUREPARSER_H
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#define STRUCTUREPARSER_H
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#include <<a href="qxml-h.html">ntqxml.h</a>>
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class TQString;
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class StructureParser : public <a href="qxmldefaulthandler.html">TQXmlDefaultHandler</a>
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{
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public:
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bool startDocument();
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bool startElement( const <a href="ntqstring.html">TQString</a>&, const <a href="ntqstring.html">TQString</a>&, const <a href="ntqstring.html">TQString</a>& ,
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const <a href="qxmlattributes.html">TQXmlAttributes</a>& );
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bool endElement( const <a href="ntqstring.html">TQString</a>&, const <a href="ntqstring.html">TQString</a>&, const <a href="ntqstring.html">TQString</a>& );
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private:
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<a href="ntqstring.html">TQString</a> indent;
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};
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#endif
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</pre>
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<p> <hr>
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<p> Implementation:
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<p> <pre>/****************************************************************************
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** $Id: qt/structureparser.cpp 3.3.8 edited Jan 11 14:37 $
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**
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** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
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**
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** This file is part of an example program for TQt. This example
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** program may be used, distributed and modified without limitation.
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**
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*****************************************************************************/
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#include "structureparser.h"
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#include <stdio.h>
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#include <<a href="qstring-h.html">ntqstring.h</a>>
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<a name="x1903"></a>bool StructureParser::<a href="qxmlcontenthandler.html#startDocument">startDocument</a>()
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{
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indent = "";
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return TRUE;
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}
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<a name="x1904"></a>bool StructureParser::<a href="qxmlcontenthandler.html#startElement">startElement</a>( const <a href="ntqstring.html">TQString</a>&, const <a href="ntqstring.html">TQString</a>&,
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const <a href="ntqstring.html">TQString</a>& qName,
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const <a href="qxmlattributes.html">TQXmlAttributes</a>& )
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{
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printf( "%s%s\n", (const char*)indent, (const char*)qName );
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indent += " ";
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return TRUE;
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}
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<a name="x1902"></a>bool StructureParser::<a href="qxmlcontenthandler.html#endElement">endElement</a>( const <a href="ntqstring.html">TQString</a>&, const <a href="ntqstring.html">TQString</a>&, const <a href="ntqstring.html">TQString</a>& )
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{
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indent.remove( (uint)0, 4 );
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return TRUE;
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}
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</pre>
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<p> <hr>
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<p> Main:
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<p> <pre>/****************************************************************************
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** $Id: qt/tagreader.cpp 3.3.8 edited Jan 11 14:37 $
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**
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** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
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**
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** This file is part of an example program for TQt. This example
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** program may be used, distributed and modified without limitation.
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**
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*****************************************************************************/
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#include "structureparser.h"
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#include <<a href="qfile-h.html">ntqfile.h</a>>
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#include <<a href="qxml-h.html">ntqxml.h</a>>
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#include <<a href="qwindowdefs-h.html">ntqwindowdefs.h</a>>
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int main( int argc, char **argv )
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{
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if ( argc < 2 ) {
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fprintf( stderr, "Usage: %s <xmlfile> [<xmlfile> ...]\n", argv[0] );
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return 1;
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}
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StructureParser handler;
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<a href="qxmlsimplereader.html">TQXmlSimpleReader</a> reader;
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<a name="x1906"></a> reader.<a href="qxmlreader.html#setContentHandler">setContentHandler</a>( &handler );
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for ( int i=1; i < argc; i++ ) {
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<a href="ntqfile.html">TQFile</a> xmlFile( argv[i] );
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<a href="qxmlinputsource.html">TQXmlInputSource</a> source( &xmlFile );
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<a name="x1905"></a> reader.<a href="qxmlsimplereader.html#parse">parse</a>( source );
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}
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return 0;
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}
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</pre>
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<p>See also <a href="xml-examples.html">TQt XML Examples</a>.
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<!-- eof -->
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<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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