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-/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
-/* ***** BEGIN LICENSE BLOCK *****
- * Version: MPL 1.1/GPL 2.0/LGPL 2.1
- *
- * The contents of this file are subject to the Mozilla Public License Version
- * 1.1 (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- * http://www.mozilla.org/MPL/
- *
- * Software distributed under the License is distributed on an "AS IS" basis,
- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
- * for the specific language governing rights and limitations under the
- * License.
- *
- * The Original Code is mozilla.org code.
- *
- * The Initial Developer of the Original Code is
- * Netscape Communications Corporation.
- * Portions created by the Initial Developer are Copyright (C) 1998
- * the Initial Developer. All Rights Reserved.
- *
- * Contributor(s):
- *
- * Alternatively, the contents of this file may be used under the terms of
- * either of the GNU General Public License Version 2 or later (the "GPL"),
- * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
- * in which case the provisions of the GPL or the LGPL are applicable instead
- * of those above. If you wish to allow use of your version of this file only
- * under the terms of either the GPL or the LGPL, and not to allow others to
- * use your version of this file under the terms of the MPL, indicate your
- * decision by deleting the provisions above and replace them with the notice
- * and other provisions required by the GPL or the LGPL. If you do not delete
- * the provisions above, a recipient may use your version of this file under
- * the terms of any one of the MPL, the GPL or the LGPL.
- *
- * ***** END LICENSE BLOCK ***** */
-
-#include "nsISupports.idl"
-
-/**
- * Used to enumerate over elements defined by its implementor.
- * Although hasMoreElements() can be called independently of getNext(),
- * getNext() must be pre-ceeded by a call to hasMoreElements(). There is
- * no way to "reset" an enumerator, once you obtain one.
- *
- * @status FROZEN
- * @version 1.0
- */
-
-[scriptable, uuid(D1899240-F9D2-11D2-BDD6-000064657374)]
-interface nsISimpleEnumerator : nsISupports {
- /**
- * Called to determine whether or not the enumerator has
- * any elements that can be returned via getNext(). This method
- * is generally used to determine whether or not to initiate or
- * continue iteration over the enumerator, though it can be
- * called without subsequent getNext() calls. Does not affect
- * internal state of enumerator.
- *
- * @see getNext()
- * @return PR_TRUE if there are remaining elements in the enumerator.
- * PR_FALSE if there are no more elements in the enumerator.
- */
- boolean hasMoreElements();
-
- /**
- * Called to retrieve the next element in the enumerator. The "next"
- * element is the first element upon the first call. Must be
- * pre-ceeded by a call to hasMoreElements() which returns PR_TRUE.
- * This method is generally called within a loop to iterate over
- * the elements in the enumerator.
- *
- * @see hasMoreElements()
- * @return NS_OK if the call succeeded in returning a non-null
- * value through the out parameter.
- * NS_ERROR_FAILURE if there are no more elements
- * to enumerate.
- * @return the next element in the enumeration.
- */
- nsISupports getNext();
-};