Method LoadFromFile

src/profilecomparator.cpp:56–219

}

bool ProfileComparator::LoadFromFile(const QString& filePath, ProfileData& data)
{
    QFile file(filePath);
    if (!file.open(QIODevice::ReadOnly)) {
        errorMessage_ = QString("Cannot open file: %1").arg(filePath);
        return false;
    }
    
    QDataStream stream(&file);
    stream.setVersion(QDataStream::Qt_5_12);
    
    // Read magic and version
    quint32 magic;
    qint32 version;
    stream >> magic;
    if (magic != APP_MAGIC) {
        errorMessage_ = QString("Invalid magic number in file: %1").arg(filePath);
        return false;
    }
    
    stream >> version;
    if (version != APP_VERSION) {
        errorMessage_ = QString("Version mismatch in file: %1 (expected %2, got %3)")
            .arg(filePath).arg(APP_VERSION).arg(version);
        return false;
    }
    
    // Read meminfo charts
    stream >> data.maxMemInfoValue;
    qint32 seriesCount;
    stream >> seriesCount;
    data.memInfoSeries.resize(seriesCount);
    for (int i = 0; i < seriesCount; i++) {
        qint32 pointsCount;
        stream >> pointsCount;
        QVector<QPair<int, int>>& points = data.memInfoSeries[i].second;
        points.reserve(pointsCount);
        for (int j = 0; j < pointsCount; j++) {
            QPointF point;
            stream >> point;
            points.append(qMakePair(static_cast<int>(point.x()), static_cast<int>(point.y())));
        }
    }
    
    // Read string hashes
    data.stringHashMap.clear();
    stream >> data.stringHashMap;
    
    // Update global HashString map (needed for HashString::Get() to work)
    for (auto it = data.stringHashMap.begin(); it != data.stringHashMap.end(); ++it) {
        HashString::hashmap_[it.key()] = it.value();
    }
    
    // Read stack trace records
    qint32 recordCount;
    stream >> recordCount;
    data.stackRecords.clear();
    data.stackRecords.reserve(recordCount);