C++/Qt/QDomNode

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Get XML element from QDomNode

<source lang="cpp"> Foundations of Qt Development\Chapter08\xmldomread\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.
*
*/
  1. include <QFile>
  2. include <QTextStream>
  3. include <QDomDocument>
  4. include <QDomElement>
  5. include <QDomText>
  6. include <QtDebug>

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;
 }
 QDomDocument document;
 if( !document.setContent( &file ) )
 {
   qDebug( "Failed to parse the file into a DOM tree." );
   file.close();
   return 0;
 }
 
 file.close();
 QDomElement documentElement = document.documentElement();
 
 QDomNode node = documentElement.firstChild();
 while( !node.isNull() )
 {
   if( node.isElement() )
   {
     QDomElement element = node.toElement();
     qDebug() << "ELEMENT" << element.tagName();
     qDebug() << "ELEMENT ATTRIBUTE NAME" << element.attribute( "name", "not set" );
   }
   
   if( node.isText() )
   {
     QDomText text = node.toText();
     qDebug() << text.data();
   }
   
   node = node.nextSibling();
 }
 return 0;

}


 </source>