Function InsertPostcodes

generator/search_index_builder.cpp:244–274

// Returns true iff feature name was indexed as postcode and should be ignored for name indexing.
template <class FnT>
bool InsertPostcodes(FeatureType & f, FnT && fn)
{
  using namespace search;

  // PostBox only, not IsPostPoiChecker?
  auto const & postBoxChecker = ftypes::IsPostBoxChecker::Instance();
  auto const postcode = f.GetMetadata(feature::Metadata::FMD_POSTCODE);

  if (!postcode.empty())
    ForEachNormalizedToken(postcode, fn);

  bool useNameAsPostcode = false;
  if (postBoxChecker(f))
  {
    auto const & names = f.GetNames();
    if (names.CountLangs() == 1)
    {
      std::string_view defaultName;
      names.GetString(localisation::kDefaultNameIndex, defaultName);
      if (!defaultName.empty() && LooksLikePostcode(defaultName, false /* isPrefix */))
      {
        // In UK it's common practice to set outer postcode as postcode and outer + inner as ref.
        // We convert ref to name at FeatureBuilder.
        ForEachNormalizedToken(defaultName, fn);
        useNameAsPostcode = true;
      }
    }
  }

  return useNameAsPostcode;
}

template <class ContT>
class FeatureInserter