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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 XPCOM Array implementation.
*
* The Initial Developer of the Original Code
* Netscape Communications Corp.
* Portions created by the Initial Developer are Copyright (C) 2002
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Alec Flett <alecf@netscape.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either 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 ***** */
#ifndef nsArrayEnumerator_h__
#define nsArrayEnumerator_h__
// enumerator implementation for nsIArray
#include "nsIArray.h"
#include "nsCOMArray.h"
#include "nsISimpleEnumerator.h"
#include "nsCOMPtr.h"
class nsSimpleArrayEnumerator : public nsISimpleEnumerator
{
public:
// nsISupports interface
NS_DECL_ISUPPORTS
// nsISimpleEnumerator interface
NS_DECL_NSISIMPLEENUMERATOR
// nsSimpleArrayEnumerator methods
nsSimpleArrayEnumerator(nsIArray* aValueArray) :
mValueArray(aValueArray), mIndex(0) {
}
private:
~nsSimpleArrayEnumerator() {}
protected:
nsCOMPtr<nsIArray> mValueArray;
PRUint32 mIndex;
};
// Create an enumerator for an existing nsIArray implementation
// The enumerator holds an owning reference to the array.
extern NS_COM nsresult
NS_NewArrayEnumerator(nsISimpleEnumerator* *result,
nsIArray* array);
// create an enumerator for an existing nsCOMArray<T> implementation
// The enumerator will hold an owning reference to each ELEMENT in
// the array. This means that the nsCOMArray<T> can safely go away
// without its objects going away.
extern NS_COM nsresult
NS_NewArrayEnumerator(nsISimpleEnumerator* *aResult,
const nsCOMArray_base& aArray);
#endif
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