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  1. Qt
  2. QTBUG-69080

QXmlStreamWriter::writeCharacters called with an empty string makes the end tag non-self-closing

    XMLWordPrintable

Details

    • Bug
    • Resolution: Unresolved
    • P2: Important
    • None
    • 5.9.1
    • XML: Stream Reader/Writer
    • None
    • macOS

    Description

       

      The code:

      QString output1;
QXmlStreamWriter stream1(&output1);
stream1.setAutoFormatting(true);
stream1.writeStartDocument();
stream1.writeStartElement("tag");
//stream2.writeCharacters(QString());
stream1.writeEndElement();
stream1.writeEndDocument();

QString output2;
QXmlStreamWriter stream2(&output2);
stream2.setAutoFormatting(true);
stream2.writeStartDocument();
stream2.writeStartElement("tag");
stream2.writeCharacters(QString());
stream2.writeEndElement();
stream2.writeEndDocument();

QString output3;
QXmlStreamWriter stream3(&output3);
stream3.setAutoFormatting(true);
stream3.writeStartDocument();
stream3.writeTextElement("tag", QString());
stream3.writeEndDocument();

qDebug() << output1;
qDebug() << output2;
qDebug() << output3;

      Produces:

      "<?xml version=\"1.0\"?>\n<tag/>\n"
"<?xml version=\"1.0\"?>\n<tag></tag>\n"
"<?xml version=\"1.0\"?>\n<tag></tag>\n"

      I would expect output2/output3 to be the same as output1, i.e. with a self-closing tag. The only difference is the additional call of writeCharacters(QString()).

      Obviously, output3 is the same as output2 because writeTextElement is just a convenience function.

       

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            thiago Thiago Macieira
            boernsen boernsen
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            Dates

              Created:
              Updated:

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