tmx_csv_loader.cpp

bool LoadCsvLayerData(const pugi::xml_node &layerNode, const std::string &dataStr, buffers::TreeNode *resNode,
                        const int& tileWidth, const int& tileHeight) {
    std::vector<unsigned int> globalTileIds;
    std::istringstream istr(dataStr);
    std::string line;

    while(std::getline(istr, line)) {
      std::stringstream lineStream(line);
      std::string globalId;
      while(std::getline(lineStream, globalId, ',')) {
        // get the global tile ids into unsigned long, as stoui does not exist(it is guranteed to not overflow uint)
        unsigned long gidULong = std::stoul(globalId);
        if(gidULong > std::numeric_limits<unsigned int>::max()) {
          errStream << "Error laoding tiles, global id out of range." << std::endl;
          return false;
        }

        unsigned int gidUInt = static_cast<unsigned int>(gidULong);
        globalTileIds.push_back(gidUInt);
      }
    }
    // code truncated...
}