Method reconstructSection

ffsengine.cpp:3903–4101

}

UINT8 FfsEngine::reconstructSection(const QModelIndex& index, const UINT32 base, QByteArray& reconstructed)
{
    if (!index.isValid())
        return ERR_SUCCESS;

    UINT8 result;

    // No action
    if (model->action(index) == Actions::NoAction || model->action(index) == Actions::DoNotRebuild) {
        reconstructed = model->header(index).append(model->body(index));
        return ERR_SUCCESS;
    }
    else if (model->action(index) == Actions::Remove) {
        reconstructed.clear();
        return ERR_SUCCESS;
    }
    else if (model->action(index) == Actions::Insert ||
        model->action(index) == Actions::Replace ||
        model->action(index) == Actions::Rebuild ||
        model->action(index) == Actions::Rebase) {
        QByteArray header = model->header(index);
        EFI_COMMON_SECTION_HEADER* commonHeader = (EFI_COMMON_SECTION_HEADER*)header.data();
        bool extended = false;
        if (uint24ToUint32(commonHeader->Size) == 0xFFFFFF) {
            extended = true;
        }

        // Reconstruct section with children
        if (model->rowCount(index)) {
            reconstructed.clear();
            // Construct new section body
            UINT32 offset = 0;

            // Reconstruct section body
            for (int i = 0; i < model->rowCount(index); i++) {
                // Align to 4 byte boundary
                UINT8 alignment = offset % 4;
                if (alignment) {
                    alignment = 4 - alignment;
                    offset += alignment;
                    reconstructed.append(QByteArray(alignment, '\x00'));
                }

                // Reconstruct subsections
                QByteArray section;
                result = reconstruct(index.child(i, 0), section);
                if (result)
                    return result;

                // Check for empty queue
                if (section.isEmpty())
                    continue;

                // Append current subsection to new section body
                reconstructed.append(section);

                // Change current file offset
                offset += section.size();