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https://github.com/mozilla/gecko-dev.git
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ce8797942d
Original committer: bsmedberg%covad.net Original revision: 1.7 Original date: 2005/11/30 18:51:27
89 lines
3.1 KiB
C++
89 lines
3.1 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is XPCOM Array implementation.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corp.
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* Portions created by the Initial Developer are Copyright (C) 2002
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Alec Flett <alecf@netscape.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef nsArrayEnumerator_h__
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#define nsArrayEnumerator_h__
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// enumerator implementation for nsIArray
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#include "nsIArray.h"
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#include "nsCOMArray.h"
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#include "nsISimpleEnumerator.h"
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#include "nsCOMPtr.h"
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class nsSimpleArrayEnumerator : public nsISimpleEnumerator
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{
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public:
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// nsISupports interface
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NS_DECL_ISUPPORTS
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// nsISimpleEnumerator interface
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NS_DECL_NSISIMPLEENUMERATOR
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// nsSimpleArrayEnumerator methods
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nsSimpleArrayEnumerator(nsIArray* aValueArray) :
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mValueArray(aValueArray), mIndex(0) {
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}
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private:
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~nsSimpleArrayEnumerator() {}
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protected:
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nsCOMPtr<nsIArray> mValueArray;
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PRUint32 mIndex;
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};
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// Create an enumerator for an existing nsIArray implementation
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// The enumerator holds an owning reference to the array.
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extern NS_COM nsresult
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NS_NewArrayEnumerator(nsISimpleEnumerator* *result,
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nsIArray* array);
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// create an enumerator for an existing nsCOMArray<T> implementation
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// The enumerator will hold an owning reference to each ELEMENT in
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// the array. This means that the nsCOMArray<T> can safely go away
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// without its objects going away.
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extern NS_COM nsresult
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NS_NewArrayEnumerator(nsISimpleEnumerator* *aResult,
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const nsCOMArray_base& aArray,
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PRBool aReverse = PR_FALSE);
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#endif
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