Method Add

libs/map/gps_track_collection.cpp:34–66

GpsTrackCollection::GpsTrackCollection() : m_lastId(0), m_elevationInfoDirty(true) {}

std::pair<size_t, size_t> GpsTrackCollection::Add(std::vector<TItem> const & items)
{
  size_t startId = m_lastId;
  size_t added = 0;

  // Rollbacker ensure strong guarantee if exception happens while adding items
  Rollbacker<TItem> rollbacker(m_items);

  for (auto const & item : items)
  {
    if (!m_items.empty() && m_items.back().m_timestamp > item.m_timestamp)
      continue;

    m_statistics.AddGpsInfoPoint(item);

    m_items.emplace_back(item);
    ++added;
  }

  m_elevationInfoDirty = true;

  rollbacker.Reset();

  if (0 == added)
  {
    // Invalid timestamp order
    return std::make_pair(kInvalidId, kInvalidId);  // Nothing was added
  }

  m_lastId += added;

  return std::make_pair(startId, startId + added - 1);
}

std::pair<size_t, size_t> GpsTrackCollection::Clear(bool resetIds)
{