[Solved] QJsonDocumentt can't read with fromJson()
I'm trying to convert some existing JSON parsing code from QJson to Qt 5's JSON classes. The JSON files were parsed correctly with QJson, but can't be loaded into QJsonDocument. I used the following code:
jsonFile.open(QIODevice::ReadOnly | QIODevice::Text);
if (parseError.error != QJsonParseError::NoError)
// Report fatal error
// Analyze the content...
With the debugger I can see the file gets read, the encoding if certainly UTF-8 (I even tried QString(jsonFile.readAll()).toUtf8() just to make sure), and the content is correct. But I end up getting an empty QJsonDocument (doc.isNull() returns true). QJsonParseError offers no help at all, claiming the parsing ended with QJsonParseError::NoError (!?).
Am I doing something wrong? The JSON files are certainly decodable (with Qt in UTF-8), and can be parsed correctly (I tested with QJson and Python's json.tool). And I can't understand why QJsonParseError keeps telling me there's no errors...
Thanks in advance.
Note: I'm using Qt 5.1 from the official installer (MSVC 2012 64-bit with OpenGL).
You're using QJsonDocument wrong: fromJson is a static function.
@QJsonDocument doc = QJsonDocument::fromJson(jsonFile.readAll(), &parseError);@
and you should be good
Obviously I got too much ahead of myself...Should have read the documentation more carefully. Thanks.
You're welcome ! Happy coding !