QXmlStreamReader, readElementText method

[Aymeric_Qt]

Hello everyone,
This question might be more related to pure C++ than to Qt.

While using QXmlStreamReader I've ran into a strange behavior.
Here is the code I had:

QXmlStreamReader reader;
reader.addData(data);

while(reader.readNextStartElement())
    {
        if (reader.name() == "api_url")
        {
            qDebug() << reader.readElementText();
            //m_apiUrl is a QString private member variable
            m_apiUrl = reader.readElementText();
            qDebug() << "m_apiUrl: " << m_apiUrl;
        }
    }

In this case the m_apiUrl variable value was set to an empty string.
But as soon as I've deleted the first qDebug statement m_apiUrl was set with a correct value.

So I would like to know what happened and why.

Thank you for reading.

[Christian Ehrlicher]

@Aymeric_Qt said in QXmlStreamReader, readElementText method:

So I would like to know what happened and why.

See the documentation - you read the element, so it's already read and the next call to readElementText() will not return anything.

[Christian Ehrlicher]

@Aymeric_Qt said in QXmlStreamReader, readElementText method:

So I would like to know what happened and why.

See the documentation - you read the element, so it's already read and the next call to readElementText() will not return anything.

[Aymeric_Qt]

@Christian-Ehrlicher I missed that when I've read the documentation. Thank you!