Function write_csv_row

src/lasinfo.cpp:278–295

Write a csv line for a FileMap according to the keys

/// Write a csv line for a FileMap according to the keys
static void write_csv_row(FILE* file_out, const FileMap& file, const std::vector<std::string>& keys) {
  for (size_t i = 0; i < keys.size(); ++i) {
    const std::string& key = keys[i];

    // find the appropriate entry
    auto it = std::find_if(file.begin(), file.end(), [&](const auto& kv) { return kv.first == key; });

    if (it != file.end()) {
      std::visit(CsvValueWriter{file_out}, it->second);
    } else {
      // empty field if key does not exist
    }

    if (i + 1 < keys.size()) fprintf(file_out, ";");
  }

  fprintf(file_out, "\n");
}


// A group of keys that belong together