Method BuildSection

generator/descriptions_section_builder.cpp:209–236

static

// static
void DescriptionsSectionBuilder::BuildSection(std::string const & mwmFile, DescriptionsCollector & collector)
{
  auto const & stat = collector.m_stat;
  size_t const size = stat.GetTotalSize();
  LOG(LINFO, ("Wiki descriptions for", mwmFile, "Wikipedia urls =", stat.GetNumberOfWikipediaUrls(),
              "Wikidata ids =", stat.GetNumberOfWikidataIds(), "Total number of pages =", stat.GetNumberOfPages(),
              "Total size of added pages (before writing to section) =", size, "bytes"));
  if (size == 0)
  {
    LOG(LWARNING, ("Section", DESCRIPTIONS_FILE_TAG, "was not created."));
    return;
  }

  FilesContainerW cont(mwmFile, FileWriter::OP_WRITE_EXISTING);

  /// @todo Should we override FilesContainerWriter::GetSize() to return local size (not container size)?
  uint64_t sectionSize;
  {
    auto writer = cont.GetWriter(DESCRIPTIONS_FILE_TAG);
    sectionSize = writer->Pos();
    descriptions::Serializer serializer(std::move(collector.m_collection));
    serializer.Serialize(*writer);
    sectionSize = writer->Pos() - sectionSize;
  }

  LOG(LINFO, ("Section", DESCRIPTIONS_FILE_TAG, "is built.", "Disk size =", sectionSize, "bytes",
              "Compression ratio =", size / double(sectionSize), stat.LangStatisticsToString()));
}
}  // namespace generator