Function parse

src/utils/input_parser.cpp:553–699

}

void parse(Input& input, const std::string& input_str, bool geometry) {
  // Input json object.
  rapidjson::Document json_input;

  // Parsing input string to populate the input object.
  if (json_input.Parse(input_str.c_str()).HasParseError()) {
    const std::string error_msg =
      std::format("{} (offset: {})",
                  rapidjson::GetParseError_En(json_input.GetParseError()),
                  json_input.GetErrorOffset());
    throw InputException(error_msg);
  }

  // Main checks for valid json input.
  if (!json_input.IsObject()) {
    throw InputException("Input root is not an object.");
  }

  if (!json_input.HasMember("vehicles") || !json_input["vehicles"].IsArray()) {
    throw InputException("Invalid vehicles.");
  }
  if (json_input["vehicles"].Empty()) {
    // This is tested upstream upon solving but we still need to do it
    // here to access first vehicle and retrieve amount_size.
    throw InputException("No vehicle defined.");
  }

  const auto& first_vehicle = json_input["vehicles"][0];
  check_id(first_vehicle, "vehicle");
  const bool first_vehicle_has_capacity =
    (first_vehicle.HasMember("capacity") &&
     first_vehicle["capacity"].IsArray() && !first_vehicle["capacity"].Empty());
  const unsigned amount_size =
    first_vehicle_has_capacity ? first_vehicle["capacity"].Size() : 0;

  input.set_geometry(geometry);

  // Add all vehicles.
  for (rapidjson::SizeType i = 0; i < json_input["vehicles"].Size(); ++i) {
    auto& json_vehicle = json_input["vehicles"][i];

    input.add_vehicle(get_vehicle(json_vehicle, amount_size));
  }

  if (json_input.HasMember("jobs")) {
    if (!json_input["jobs"].IsArray()) {
      throw InputException("Invalid jobs.");
    }

    for (rapidjson::SizeType i = 0; i < json_input["jobs"].Size(); ++i) {
      input.add_job(get_job(json_input["jobs"][i], amount_size));
    }
  }

  if (json_input.HasMember("shipments")) {
    if (!json_input["shipments"].IsArray()) {
      throw InputException("Invalid shipments.");
    }