QtXmlPatterns using QXmlItem to focus in QXmlQuery cannot get results.



  • Hi all,

    I try to query a node say the following :"/TestRun/Config/Test/PA/Pulse" with the code bellow:
    @ QFile* file = new QFile("/home/user/hardwaretest.xml");
    qDebug() << file->open(QIODevice::ReadOnly);

    QXmlQuery query;
    
    query.setFocus(file);
    query.setQuery("/TestRun/Config/Test/PA/Pulse");
    
    QXmlResultItems* results = new QXmlResultItems();
    query.evaluateTo(results);
    
    QXmlItem item = results->next();
    
    while(!item.isNull())
    {
        if(item.isNode())
        {
          QXmlQuery query2;
    
          query2.setFocus(item);
           query2.setQuery("./@pulseWidth/string()");
    
          QXmlResultItems* results2 = new QXmlResultItems();
          query2.evaluateTo(&results2);
    
          QXmlItem item2 = results2->next();
    
          while(!item2.isNull())
          {
            if(item2.isAtomicValue())
                qDebug() << item2.toAtomicValue().toString();
            if(item2.isNode())
                qDebug() << "item2 is a node";
            item2 = results2->next();
          }
          delete results2;
        }
      item = results->next();
    }
    
    file->close();
    delete file;
    delete results;@
    

    Here is a part of my xml file :

    @<?xml version="1.0" encoding="UTF-8"?>
    <TestRun>
    <Config>
    <Test name="Pulser">
    <PA>
    <!-- amplitude % - pulseWidth % - riseTime V/ns - reverberation % -->
    <Pulse amplitude="0.1" pulseWidth="0.1" riseTime="10" reverberation="0.04" />
    </PA>
    <UT>
    <!-- amplitude % - pulseWidth % - riseTime V/ns - reverberation % -->
    <Pulse amplitude="0.1" pulseWidth="0.1" riseTime="10" reverberation="0.04" />
    </UT>
    </Test>
    <TestRun>@

    I do get the node
    @<Pulse amplitude="0.1" pulseWidth="0.1" riseTime="10" reverberation="0.04" />@

    on the first query, but the second only return an empty node...

    I never were able to get results with QXmlQuery focused on an QXmlItem.

    Somebody knows what I do wrong here?
    Thank in advance.



  • Figured out how to do such things. One can view the solution "here":http://stackoverflow.com/a/27117841/694123.



  • This post is deleted!

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