Mega Code Archive
Extends QXmlDefaultHandler
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Foundations of Qt Development\Chapter08\xmlsaxread\main.cpp
/*
* Copyright (c) 2006-2007, Johan Thelin
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* * Neither the name of APress nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#include <QFile>
#include <QXmlInputSource>
#include <QXmlSimpleReader>
#include <QXmlDefaultHandler>
#include <QtDebug>
class MyHandler : public QXmlDefaultHandler
{
public:
bool startDocument();
bool endDocument();
bool startElement( const QString &namespaceURI, const QString &localName, const QString &qName, const QXmlAttributes &atts );
bool endElement( const QString &namespaceURI, const QString &localName, const QString &qName );
bool characters( const QString &ch );
};
bool MyHandler::startDocument()
{
qDebug() << "Start of the document.";
return true;
}
bool MyHandler::endDocument()
{
qDebug() << "End of the document.";
return true;
}
bool MyHandler::startElement( const QString &namespaceURI, const QString &localName,
const QString &qName, const QXmlAttributes &atts )
{
qDebug() << "Start of element" << qName;
for( int i=0; i<atts.length(); ++i )
qDebug() << " " << atts.qName(i) << "=" << atts.value(i);
return true;
}
bool MyHandler::endElement( const QString &namespaceURI, const QString &localName,
const QString &qName )
{
qDebug() << "End of element" << qName;
return true;
}
bool MyHandler::characters( const QString &ch )
{
qDebug() << "Characters" << ch;
return true;
}
int main( int argc, char **argv )
{
QFile file( "simple.xml" );
if( !file.open( QIODevice::ReadOnly | QIODevice::Text ) )
{
qDebug( "Failed to open file for reading." );
return 0;
}
QXmlInputSource source( &file );
MyHandler handler;
QXmlSimpleReader reader;
reader.setContentHandler( &handler );
reader.parse( source );
file.close();
return 0;
}
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