C++ (Cpp) nsAutoPtr::GetResourceGUID示例

/* static */ PLDHashOperator PR_CALLBACK
sbLocalDatabaseLibraryLoader::VerifyEntriesCallback(nsUint32HashKey::KeyType aKey,
                                                    nsAutoPtr<sbLibraryLoaderInfo>& aEntry,
                                                    void* aUserData)
{
  nsCAutoString prefBranch;
  aEntry->GetPrefBranch(prefBranch);
  NS_ASSERTION(!prefBranch.IsEmpty(), "This can't be empty!");

  nsAutoString databaseGUID;
  aEntry->GetDatabaseGUID(databaseGUID);
  if (databaseGUID.IsEmpty()) {
    NS_WARNING("One of the libraries was missing a database GUID and will be removed.");
    RemovePrefBranch(prefBranch);
    return PL_DHASH_REMOVE;
  }

  nsAutoString resourceGUID;
  aEntry->GetResourceGUID(resourceGUID);
  if (resourceGUID.IsEmpty()) {
    NS_WARNING("One of the libraries was missing a resource GUID and will be removed.");
    RemovePrefBranch(prefBranch);
    return PL_DHASH_REMOVE;
  }

  nsCOMPtr<nsILocalFile> location = aEntry->GetDatabaseLocation();
  if (!location) {
    NS_WARNING("One of the libraries had no location and will be removed.");
    RemovePrefBranch(prefBranch);
    return PL_DHASH_REMOVE;
  }

  return PL_DHASH_NEXT;
}