Function getSubObjectListFlatten

src/App/DocumentObject.cpp:1178–1217

namespace
{
std::vector<DocumentObject*>
getSubObjectListFlatten(const std::vector<App::DocumentObject*>& resNotFlatten,
                        std::vector<int>* const subsizes,
                        const App::DocumentObject* sobj,
                        App::DocumentObject** container,
                        bool& lastChild)
{
    auto res {resNotFlatten};
    auto linked = sobj->getLinkedObject();
    if (*container) {
        auto grp = App::GeoFeatureGroupExtension::getGroupOfObject(linked);
        if (grp != *container) {
            *container = nullptr;
        }
        else {
            if (lastChild && !res.empty()) {
                res.pop_back();
                if (subsizes) {
                    subsizes->pop_back();
                }
            }
            lastChild = true;
        }
    }
    if (linked->getExtensionByType<App::GeoFeatureGroupExtension>(true)) {
        *container = linked;
        lastChild = false;
    }
    else if (linked != sobj || sobj->hasChildElement()) {
        // Check for Link or LinkGroup
        *container = nullptr;
    }
    else if (auto ext = sobj->getExtensionByType<LinkBaseExtension>(true)) {
        // check for Link array
        if (ext->getElementCountValue() != 0) {
            *container = nullptr;
        }
    }
    return res;
}
}  // namespace

std::vector<DocumentObject*> DocumentObject::getSubObjectList(const char* subname,