Function LoadGroupImpl

libs/storage/country_tree.cpp:325–383

}

MwmSubtreeAttrs LoadGroupImpl(size_t depth, json_t * node, CountryId const & parent, StoreInterface & store)
{
  CountryId id;
  FromJSONObject(node, "id", id);

  vector<string> countryNameSynonyms;
  FromJSONObjectOptionalField(node, "country_name_synonyms", countryNameSynonyms);
  for (auto const & synonym : countryNameSynonyms)
    store.InsertCountryNameSynonym(id, synonym);

  vector<string> affiliations;
  FromJSONObjectOptionalField(node, "affiliations", affiliations);
  for (auto const & affilationValue : affiliations)
    store.InsertAffiliation(id, affilationValue);

  uint64_t geoObjectId = 0;
  FromJSONObjectOptionalField(node, "top_city_geo_id", geoObjectId);
  if (geoObjectId != 0)
    store.InsertMwmTopCityGeoId(id, geoObjectId);

  vector<uint64_t> topCountryIds;
  FromJSONObjectOptionalField(node, "top_countries_geo_ids", topCountryIds);
  if (!topCountryIds.empty())
    store.InsertTopCountryGeoIds(id, topCountryIds);

  int nodeSize;
  FromJSONObjectOptionalField(node, "s", nodeSize);
  ASSERT_LESS_OR_EQUAL(0, nodeSize, ());

  string nodeHash;
  FromJSONObjectOptionalField(node, "sha1_base64", nodeHash);

  // We expect that mwm and routing files should be less than 2GB.
  Country * addedNode = store.InsertToCountryTree(id, nodeSize, nodeHash, depth, parent);

  MwmCounter mwmCounter = 0;
  MwmSize mwmSize = 0;
  vector<json_t *> children;
  FromJSONObjectOptionalField(node, "g", children);
  if (children.empty())
  {
    mwmCounter = 1;  // It's a leaf. Any leaf contains one mwm.
    mwmSize = nodeSize;
  }
  else
  {
    for (json_t * child : children)
    {
      MwmSubtreeAttrs const childAttr = LoadGroupImpl(depth + 1, child, id, store);
      mwmCounter += childAttr.first;
      mwmSize += childAttr.second;
    }
  }

  if (addedNode != nullptr)
    addedNode->SetSubtreeAttrs(mwmCounter, mwmSize);

  return make_pair(mwmCounter, mwmSize);