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| author | Timothy Pearson <kb9vqf@pearsoncomputing.net> | 2011-07-10 15:24:15 -0500 |
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| committer | Timothy Pearson <kb9vqf@pearsoncomputing.net> | 2011-07-10 15:24:15 -0500 |
| commit | bd0f3345a938b35ce6a12f6150373b0955b8dd12 (patch) | |
| tree | 7a520322212d48ebcb9fbe1087e7fca28b76185c /doc/html/tagreader-with-features-example.html | |
| download | qt3-bd0f3345a938b35ce6a12f6150373b0955b8dd12.tar.gz qt3-bd0f3345a938b35ce6a12f6150373b0955b8dd12.zip | |
Add Qt3 development HEAD version
Diffstat (limited to 'doc/html/tagreader-with-features-example.html')
| -rw-r--r-- | doc/html/tagreader-with-features-example.html | 229 |
1 files changed, 229 insertions, 0 deletions
diff --git a/doc/html/tagreader-with-features-example.html b/doc/html/tagreader-with-features-example.html new file mode 100644 index 0000000..0221f03 --- /dev/null +++ b/doc/html/tagreader-with-features-example.html @@ -0,0 +1,229 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> +<!-- /home/espenr/tmp/qt-3.3.8-espenr-2499/qt-x11-free-3.3.8/examples/xml/tagreader-with-features/tagreader.doc:5 --> +<html> +<head> +<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> +<title>Demonstration of SAX2 features</title> +<style type="text/css"><!-- +fn { margin-left: 1cm; text-indent: -1cm; } +a:link { color: #004faf; text-decoration: none } +a:visited { color: #672967; text-decoration: none } +body { background: #ffffff; color: black; } +--></style> +</head> +<body> + +<table border="0" cellpadding="0" cellspacing="0" width="100%"> +<tr bgcolor="#E5E5E5"> +<td valign=center> + <a href="index.html"> +<font color="#004faf">Home</font></a> + | <a href="classes.html"> +<font color="#004faf">All Classes</font></a> + | <a href="mainclasses.html"> +<font color="#004faf">Main Classes</font></a> + | <a href="annotated.html"> +<font color="#004faf">Annotated</font></a> + | <a href="groups.html"> +<font color="#004faf">Grouped Classes</font></a> + | <a href="functions.html"> +<font color="#004faf">Functions</font></a> +</td> +<td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>Demonstration of SAX2 features</h1> + + +<p> +<p> This example presents a small <a href="xml.html#sax2">SAX2</a> +reader that outputs the qualified names and the +respective namespace URIs of all elements and attributes in an +XML file. Additionally the tree structure of the document is displayed. +<p> In three listviews the program shows the different output of the reader +depending on how the SAX2 <a href="xml.html#sax2Namespaces">features</a> +<em>http://xml.org/sax/features/namespaces</em> and +<em>http://xml.org/sax/features/namespace-prefixes</em> are set. +<p> This example is thoroughly explained in a +<a href="xml-sax-features-walkthrough.html">walkthrough.</a> +<p> <hr> +<p> Header file: +<p> <pre>/* +$Id: qt/structureparser.h 3.3.8 edited May 27 2003 $ +*/ + +#ifndef STRUCTUREPARSER_H +#define STRUCTUREPARSER_H + +#include <<a href="qxml-h.html">qxml.h</a>> +#include <<a href="qptrstack-h.html">qptrstack.h</a>> + +class QListView; +class QListViewItem; +class QString; + +class StructureParser: public <a href="qxmldefaulthandler.html">QXmlDefaultHandler</a> +{ +public: + StructureParser( <a href="qlistview.html">QListView</a> * ); + bool startElement( const <a href="qstring.html">QString</a>&, const <a href="qstring.html">QString</a>&, const <a href="qstring.html">QString</a>& , + const <a href="qxmlattributes.html">QXmlAttributes</a>& ); + bool endElement( const <a href="qstring.html">QString</a>&, const <a href="qstring.html">QString</a>&, const <a href="qstring.html">QString</a>& ); + + void setListView( <a href="qlistview.html">QListView</a> * ); + +private: + <a href="qptrstack.html">QPtrStack</a><QListViewItem> stack; + <a href="qlistview.html">QListView</a> * table; +}; + +#endif +</pre> + +<p> <hr> +<p> Implementation: +<p> <pre>/* +$Id: qt/structureparser.cpp 3.3.8 edited May 27 2003 $ +*/ + +#include "structureparser.h" + +#include <<a href="qstring-h.html">qstring.h</a>> +#include <<a href="qlistview-h.html">qlistview.h</a>> + +<a name="f528"></a>StructureParser::StructureParser( <a href="qlistview.html">QListView</a> * t ) + : <a href="qxmldefaulthandler.html">QXmlDefaultHandler</a>() +{ + setListView( t ); +} + +void <a name="f529"></a>StructureParser::setListView( <a href="qlistview.html">QListView</a> * t ) +{ + table = t; + table->setSorting( -1 ); + table->addColumn( "Qualified name" ); + table->addColumn( "Namespace" ); +} + +<a name="x1971"></a>bool StructureParser::<a href="qxmlcontenthandler.html#startElement">startElement</a>( const <a href="qstring.html">QString</a>& namespaceURI, + const <a href="qstring.html">QString</a>& , + const <a href="qstring.html">QString</a>& qName, + const <a href="qxmlattributes.html">QXmlAttributes</a>& attributes) +{ + <a href="qlistviewitem.html">QListViewItem</a> * element; + + if ( ! stack.isEmpty() ){ + <a href="qlistviewitem.html">QListViewItem</a> *lastChild = stack.top()->firstChild(); + if ( lastChild ) { +<a name="x1965"></a> while ( lastChild-><a href="qlistviewitem.html#nextSibling">nextSibling</a>() ) + lastChild = lastChild-><a href="qlistviewitem.html#nextSibling">nextSibling</a>(); + } + element = new <a href="qlistviewitem.html">QListViewItem</a>( stack.top(), lastChild, qName, namespaceURI ); + } else { + element = new <a href="qlistviewitem.html">QListViewItem</a>( table, qName, namespaceURI ); + } + stack.push( element ); +<a name="x1966"></a> element-><a href="qlistviewitem.html#setOpen">setOpen</a>( TRUE ); + +<a name="x1967"></a> if ( attributes.<a href="qxmlattributes.html#length">length</a>() > 0 ) { + for ( int i = 0 ; i < attributes.<a href="qxmlattributes.html#length">length</a>(); i++ ) { +<a name="x1969"></a><a name="x1968"></a> new <a href="qlistviewitem.html">QListViewItem</a>( element, attributes.<a href="qxmlattributes.html#qName">qName</a>(i), attributes.<a href="qxmlattributes.html#uri">uri</a>(i) ); + } + } + return TRUE; +} + +<a name="x1970"></a>bool StructureParser::<a href="qxmlcontenthandler.html#endElement">endElement</a>( const <a href="qstring.html">QString</a>&, const <a href="qstring.html">QString</a>&, + const <a href="qstring.html">QString</a>& ) +{ + stack.pop(); + return TRUE; +} +</pre> + +<p> <hr> +<p> Main: +<p> <pre>/**************************************************************************** +** $Id: qt/tagreader.cpp 3.3.8 edited Jan 11 14:46 $ +** +** Copyright (C) 2005-2007 Trolltech ASA. All rights reserved. +** +** This file is part of an example program for Qt. This example +** program may be used, distributed and modified without limitation. +** +*****************************************************************************/ + +#include "structureparser.h" +#include <<a href="qapplication-h.html">qapplication.h</a>> +#include <<a href="qfile-h.html">qfile.h</a>> +#include <<a href="qxml-h.html">qxml.h</a>> +#include <<a href="qlistview-h.html">qlistview.h</a>> +#include <<a href="qgrid-h.html">qgrid.h</a>> +#include <<a href="qmainwindow-h.html">qmainwindow.h</a>> +#include <<a href="qlabel-h.html">qlabel.h</a>> + +int main( int argc, char **argv ) +{ + <a href="qapplication.html">QApplication</a> app( argc, argv ); + + <a href="qfile.html">QFile</a> xmlFile( argc == 2 ? argv[1] : "fnord.xml" ); + <a href="qxmlinputsource.html">QXmlInputSource</a> source( &xmlFile ); + + <a href="qxmlsimplereader.html">QXmlSimpleReader</a> reader; + + <a href="qgrid.html">QGrid</a> * container = new <a href="qgrid.html">QGrid</a>( 3 ); + + <a href="qlistview.html">QListView</a> * nameSpace = new <a href="qlistview.html">QListView</a>( container, "table_namespace" ); + StructureParser * handler = new StructureParser( nameSpace ); +<a name="x1977"></a> reader.<a href="qxmlreader.html#setContentHandler">setContentHandler</a>( handler ); +<a name="x1976"></a> reader.<a href="qxmlsimplereader.html#parse">parse</a>( source ); + + <a href="qlistview.html">QListView</a> * namespacePrefix = new <a href="qlistview.html">QListView</a>( container, + "table_namespace_prefix" ); + handler->setListView( namespacePrefix ); +<a name="x1978"></a> reader.<a href="qxmlsimplereader.html#setFeature">setFeature</a>( "http://xml.org/sax/features/namespace-prefixes", + TRUE ); +<a name="x1975"></a> source.<a href="qxmlinputsource.html#reset">reset</a>(); + reader.<a href="qxmlsimplereader.html#parse">parse</a>( source ); + + <a href="qlistview.html">QListView</a> * prefix = new <a href="qlistview.html">QListView</a>( container, "table_prefix"); + handler->setListView( prefix ); + reader.<a href="qxmlsimplereader.html#setFeature">setFeature</a>( "http://xml.org/sax/features/namespaces", FALSE ); + source.<a href="qxmlinputsource.html#reset">reset</a>(); + reader.<a href="qxmlsimplereader.html#parse">parse</a>( source ); + + // namespace label + (void) new <a href="qlabel.html">QLabel</a>( + "Default:\n" + "http://xml.org/sax/features/namespaces: TRUE\n" + "http://xml.org/sax/features/namespace-prefixes: FALSE\n", + container ); + + // namespace prefix label + (void) new <a href="qlabel.html">QLabel</a>( + "\n" + "http://xml.org/sax/features/namespaces: TRUE\n" + "http://xml.org/sax/features/namespace-prefixes: TRUE\n", + container ); + + // prefix label + (void) new <a href="qlabel.html">QLabel</a>( + "\n" + "http://xml.org/sax/features/namespaces: FALSE\n" + "http://xml.org/sax/features/namespace-prefixes: TRUE\n", + container ); + + + app.<a href="qapplication.html#setMainWidget">setMainWidget</a>( container ); + container-><a href="qwidget.html#show">show</a>(); + return app.<a href="qapplication.html#exec">exec</a>(); +} +</pre> + +<p>See also <a href="xml-examples.html">Qt XML Examples</a>. + +<!-- eof --> +<p><address><hr><div align=center> +<table width=100% cellspacing=0 border=0><tr> +<td>Copyright © 2007 +<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a> +<td align=right><div align=right>Qt 3.3.8</div> +</table></div></address></body> +</html> |