Method loadGroupList

launcher/InstanceList.cpp:728–826

}

void InstanceList::loadGroupList()
{
    qDebug() << "Will load group list now.";

    QString groupFileName = m_instDir + "/instgroups.json";

    // if there's no group file, fail
    if (!QFileInfo(groupFileName).exists())
        return;

    QByteArray jsonData;
    try {
        jsonData = FS::read(groupFileName);
    } catch (const FS::FileSystemException& e) {
        qCritical() << "Failed to read instance group file :" << e.cause();
        return;
    }

    QJsonParseError error;
    QJsonDocument jsonDoc = QJsonDocument::fromJson(jsonData, &error);

    // if the json was bad, fail
    if (error.error != QJsonParseError::NoError) {
        qCritical() << QString("Failed to parse instance group file: %1 at offset %2")
                           .arg(error.errorString(), QString::number(error.offset))
                           .toUtf8();
        return;
    }

    // if the root of the json wasn't an object, fail
    if (!jsonDoc.isObject()) {
        qWarning() << "Invalid group file. Root entry should be an object.";
        return;
    }

    QJsonObject rootObj = jsonDoc.object();

    // Make sure the format version matches, otherwise fail.
    if (rootObj.value("formatVersion").toVariant().toInt() != GROUP_FILE_FORMAT_VERSION)
        return;

    // Get the groups. if it's not an object, fail
    if (!rootObj.value("groups").isObject()) {
        qWarning() << "Invalid group list JSON: 'groups' should be an object.";
        return;
    }

    m_instanceGroupIndex.clear();
    m_groupNameCache.clear();

    // Iterate through all the groups.
    QJsonObject groupMapping = rootObj.value("groups").toObject();
    for (QJsonObject::iterator iter = groupMapping.begin(); iter != groupMapping.end(); iter++) {
        QString groupName = iter.key();

        if (iter.key().isEmpty()) {
            qWarning() << "Redundant empty group found";
            continue;