Method LoadFromStream

libs/indexer/categories_holder.cpp:175–239

}

void CategoriesHolder::LoadFromStream(std::istream & s)
{
  m_type2cat.clear();
  m_name2type.Clear();
  m_groupTranslations.clear();

  ParseState state = EParseTypes;
  std::string line;
  Category cat;
  std::vector<uint32_t> types;
  std::vector<std::string> currentGroups;

  int lineNumber = 0;
  while (s.good())
  {
    ++lineNumber;
    getline(s, line);
    strings::Trim(line);
    // Allow for comments starting with '#' character.
    if (!line.empty() && line[0] == '#')
      continue;

    strings::SimpleTokenizer iter(line, state == EParseTypes ? "|" : ":|");

    if (state == EParseTypes)
    {
      AddCategory(cat, types);
      currentGroups.clear();

      while (iter)
      {
        ProcessCategory(*iter, currentGroups, types);
        ++iter;
      }

      if (!types.empty() || currentGroups.size() == 1)
      {
        state = EParseLanguages;
        AddGroupTranslationsToSynonyms(currentGroups, m_groupTranslations, cat.m_synonyms);
      }
    }
    else if (state == EParseLanguages)
    {
      if (!iter)
      {
        state = EParseTypes;
        continue;
      }

      int8_t const langCode = MapLocaleToInteger(*iter);
      CHECK(langCode != kUnsupportedLocaleCode, ("Invalid language code:", *iter, "at line:", lineNumber));

      while (++iter)
      {
        Category::Name name;
        name.m_locale = langCode;
        name.m_name = *iter;