C++ (Cpp) Updater::show_diff示例

bool Filemanager::update(std::string file_path) {
    Updater *updater = new Updater();
    std::pair<std::map<int, int>, std::vector<std::pair<long, long> > > updater_result = updater->get_similar(file_path);
    std::map<int, int> similar_chunk = updater_result.first;
    std::vector<std::pair<long, long> > diff = updater_result.second;
    // std::cout << "similar:" << std::endl;
    // updater->show_similar(similar_chunk);
    // std::cout << "diff bytes:" << std::endl;
    updater->show_diff(diff);
    this->mworker = new Metaworker();
    this->mworker->load(file_path);
    std::vector<int> chunk_to_del;

    this->mworker->show();
    
    for(int i = 0; i < mworker->mdata_size(); i++) {
        if(similar_chunk.find(i) == similar_chunk.end()) {
            // std::cout << i << " ";
            chunk_to_del.push_back(i);

        } else {
            mworker->mdata[i].start += ( *(similar_chunk.find(i))).second - 1;
            mworker->mdata[i].finish += ( *(similar_chunk.find(i))).second - 1;
        }
    }

    // std::cout << std::endl << "old mdata: " << std::endl;;

   
    for(int i = chunk_to_del.size() - 1;i >= 0; i--) {
        // std::cout << "num: " << i << " chunk:" << chunk_to_del[i] << std::endl;
        this->rm_file(this->mworker->get(chunk_to_del[i]).cipher_hash);
        this->mworker->remove(chunk_to_del[i]);
    }

    for(int i = 0; i < diff.size(); i++) {
        this->segmentate(file_path, diff[i].first, diff[i].second);
    }

std::cout << std::endl << "new mdata: " << std::endl;
this->mworker->sort();
    this->mworker->save();



    // this->mworker->save();
    return true;

}