michael@0: /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef nsEnumeratorUtils_h__
michael@0: #define nsEnumeratorUtils_h__
michael@0: 
michael@0: #include "nscore.h"
michael@0: 
michael@0: class nsISupports;
michael@0: class nsISimpleEnumerator;
michael@0: 
michael@0: NS_COM_GLUE nsresult
michael@0: NS_NewEmptyEnumerator(nsISimpleEnumerator* *aResult);
michael@0: 
michael@0: NS_COM_GLUE nsresult
michael@0: NS_NewSingletonEnumerator(nsISimpleEnumerator* *result,
michael@0:                           nsISupports* singleton);
michael@0: 
michael@0: NS_COM_GLUE nsresult
michael@0: NS_NewUnionEnumerator(nsISimpleEnumerator* *result,
michael@0:                       nsISimpleEnumerator* firstEnumerator,
michael@0:                       nsISimpleEnumerator* secondEnumerator);
michael@0: 
michael@0: #endif /* nsEnumeratorUtils_h__ */