Method GetSubKeys

Source/cmWindowsRegistry.cxx:362–387

}

std::vector<std::string> KeyHandler::GetSubKeys()
{
  LSTATUS status;
  DWORD size;
  // pick-up maximum size for subkeys
  if ((status = RegQueryInfoKeyW(
         this->Handler, nullptr, nullptr, nullptr, nullptr, &size, nullptr,
         nullptr, nullptr, nullptr, nullptr, nullptr)) != ERROR_SUCCESS) {
    throw registry_error(this->FormatSystemError(status));
  }
  // increment size for final null
  auto data = cm::make_unique<wchar_t[]>(++size);
  DWORD index = 0;
  std::vector<std::string> subKeys;

  while ((status = RegEnumKeyW(this->Handler, index, data.get(), size)) ==
         ERROR_SUCCESS) {
    subKeys.push_back(this->ToNarrow(data.get()));
    ++index;
  }
  if (status != ERROR_NO_MORE_ITEMS) {
    throw registry_error(this->FormatSystemError(status));
  }

  return subKeys;
}
#endif

// ExpressionParser: Helper to parse expression holding multiple