Method processRule

source/game/StarNameGenerator.cpp:53–113

}

String PatternedNameGenerator::processRule(JsonArray const& rule, RandomSource& random) const {
  if (rule.empty())
    return "";
  Json meta;
  String result;
  String mode = "alts";
  size_t index = 0;
  bool titleCase = false;
  if (rule[0].type() == Json::Type::Object) {
    meta = rule[0];
    mode = meta.getString("mode", mode);
    titleCase = meta.getBool("titleCase", false);
    index++;
  }

  if (mode == "serie") {
    for (; index < rule.size(); index++) {
      auto entry = rule[index];
      if (entry.type() == Json::Type::Array)
        result += processRule(entry.toArray(), random);
      else
        result += entry.toString();
    }
  } else if (mode == "alts") {
    int i = index + random.randInt(rule.size() - 1 - index);
    auto entry = rule[i];
    if (entry.type() == Json::Type::Array)
      result += processRule(entry.toArray(), random);
    else
      result += entry.toString();
  } else if (mode == "markov") {
    if (!m_markovSources.contains(meta.getString("source")))
      throw NameGeneratorException::format("Unknown name source '{}'", meta.getString("source"));

    auto source = m_markovSources.get(meta.getString("source"));
    auto lengthRange = meta.getArray("targetLength");
    auto targetLength = random.randUInt(lengthRange[0].toUInt(), lengthRange[1].toUInt());

    size_t tries = 0;
    String piece;
    do {
      ++tries;
      piece = random.randFrom(source.starts);
      while (piece.length() < targetLength
          || !source.ends.contains(piece.slice(piece.length() - source.endSize, piece.length()))) {
        String link = piece.slice(piece.length() - source.prefixSize, piece.length());
        if (!source.chains.contains(link))
          break;
        piece += random.randFrom(source.chains.get(link));
      }
    } while (piece.length() > lengthRange[1].toUInt() && tries < 10);

    result += piece;
  } else
    throw StarException::format("Unknown mode: {}", mode);

  if (titleCase)
    result = result.titleCase();