Function DeserializeFromJson

generator/transit_generator.cpp:149–178

namespace routing::transit
{
void DeserializeFromJson(OsmIdToFeatureIdsMap const & mapping, std::string const & transitJsonPath, GraphData & data)
{
  Platform::EFileType fileType;
  Platform::EError const errCode = Platform::GetFileType(transitJsonPath, fileType);
  CHECK_EQUAL(errCode, Platform::EError::ERR_OK, ("Transit graph was not found:", transitJsonPath));
  CHECK_EQUAL(fileType, Platform::EFileType::Regular, ("Transit graph was not found:", transitJsonPath));

  std::string jsonBuffer;
  try
  {
    GetPlatform().GetReader(transitJsonPath)->ReadAsString(jsonBuffer);
  }
  catch (RootException const & e)
  {
    LOG(LCRITICAL, ("Can't open", transitJsonPath, e.what()));
  }

  base::Json root(jsonBuffer.c_str());
  CHECK(root.get() != nullptr, ("Cannot parse the json file:", transitJsonPath));

  data.Clear();
  try
  {
    data.DeserializeFromJson(root, mapping);
  }
  catch (RootException const & e)
  {
    LOG(LCRITICAL, ("Exception while parsing transit graph json. Json file path:", transitJsonPath, e.what()));
  }
}

void ProcessGraph(std::string const & mwmPath, CountryId const & countryId,
                  OsmIdToFeatureIdsMap const & osmIdToFeatureIdsMap, GraphData & data)