EvaluateResult evaluate()

in watchman/query/type.cpp [24:78]

• 53 lines of code
• 19 McCabe index (conditional complexity)

  EvaluateResult evaluate(QueryContextBase*, FileResult* file) override {
    auto optionalDtype = file->dtype();
    if (!optionalDtype.has_value()) {
      return std::nullopt;
    }
    auto dtype = *optionalDtype;
    if (dtype != DType::Unknown) {
      switch (arg) {
        case 'b':
          return dtype == DType::Block;
        case 'c':
          return dtype == DType::Char;
        case 'p':
          return dtype == DType::Fifo;
        case 's':
          return dtype == DType::Socket;
        case 'd':
          return dtype == DType::Dir;
        case 'f':
          return dtype == DType::Regular;
        case 'l':
          return dtype == DType::Symlink;
      }
    }

    auto stat = file->stat();
    if (!stat.has_value()) {
      return std::nullopt;
    }

    switch (arg) {
#ifndef _WIN32
      case 'b':
        return S_ISBLK(stat->mode);
      case 'c':
        return S_ISCHR(stat->mode);
      case 'p':
        return S_ISFIFO(stat->mode);
      case 's':
        return S_ISSOCK(stat->mode);
#endif
      case 'd':
        return stat->isDir();
      case 'f':
        return stat->isFile();
      case 'l':
        return stat->isSymlink();
#ifdef S_ISDOOR
      case 'D':
        return S_ISDOOR(stat->mode);
#endif
      default:
        return false;
    }
  }