Function requireDocument

launcher/Json.cpp:71–84

    return memcmp(data.constData(), &tag, sizeof(QJsonDocument::BinaryFormatTag)) == 0;
}
QJsonDocument requireDocument(const QByteArray& data, const QString& what)
{
    if (isBinaryJson(data)) {
        // FIXME: Is this needed?
        throw JsonException(what + ": Invalid JSON. Binary JSON unsupported");
    } else {
        QJsonParseError error;
        QJsonDocument doc = QJsonDocument::fromJson(data, &error);
        if (error.error != QJsonParseError::NoError) {
            throw JsonException(what + ": Error parsing JSON: " + error.errorString());
        }
        return doc;
    }
}
QJsonDocument requireDocument(const QString& filename, const QString& what)
{
    return requireDocument(FS::read(filename), what);