xpcom/ds/nsEnumeratorUtils.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef nsEnumeratorUtils_h__
   8 #define nsEnumeratorUtils_h__
   9
  10 #include "nscore.h"
  11
  12 class nsISupports;
  13 class nsISimpleEnumerator;
  14
  15 nsresult NS_NewEmptyEnumerator(nsISimpleEnumerator** aResult);
  16
  17 nsresult NS_NewSingletonEnumerator(nsISimpleEnumerator** aResult,
  18                                    nsISupports* aSingleton);
  19
  20 nsresult NS_NewUnionEnumerator(nsISimpleEnumerator** aResult,
  21                                nsISimpleEnumerator* aFirstEnumerator,
  22                                nsISimpleEnumerator* aSecondEnumerator);
  23
  24 #endif /* nsEnumeratorUtils_h__ */