397d1112c0
naming scheme git-svn-id: svn://10.0.0.236/trunk@13923 18797224-902f-48f8-a5cc-f745e15eee43
122 lines
2.3 KiB
C++
122 lines
2.3 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#include "nscore.h"
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#include "nsIIterator.h"
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#include "nsxpfcCIID.h"
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#include "nsIArray.h"
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#include "nsArrayIterator.h"
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#include "nsxpfcutil.h"
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static NS_DEFINE_IID(kISupportsIID, NS_ISUPPORTS_IID);
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static NS_DEFINE_IID(kCVectorIteratorCID, NS_ARRAY_ITERATOR_CID);
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nsArrayIterator :: nsArrayIterator()
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{
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NS_INIT_REFCNT();
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mCurrentElement = 0 ;
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}
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nsArrayIterator :: ~nsArrayIterator()
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{
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}
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NS_IMPL_QUERY_INTERFACE(nsArrayIterator, kCVectorIteratorCID)
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NS_IMPL_ADDREF(nsArrayIterator)
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NS_IMPL_RELEASE(nsArrayIterator)
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nsresult nsArrayIterator :: Init()
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{
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mCurrentElement = 0 ;
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return NS_OK ;
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}
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nsresult nsArrayIterator :: Init(nsIArray * aVector)
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{
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mVector = aVector;
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mCurrentElement = 0 ;
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return NS_OK ;
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}
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nsresult nsArrayIterator :: First()
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{
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mCurrentElement = 0 ;
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return NS_OK ;
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}
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nsresult nsArrayIterator :: Last()
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{
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mCurrentElement = Count() - 1 ;
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return NS_OK ;
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}
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nsresult nsArrayIterator :: Next()
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{
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mCurrentElement++;
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return NS_OK ;
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}
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nsresult nsArrayIterator :: Previous()
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{
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mCurrentElement--;
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return NS_OK ;
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}
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PRBool nsArrayIterator :: IsDone()
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{
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if (mVector == nsnull)
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return PR_TRUE;
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if ((mVector->Count()) == (mCurrentElement))
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return PR_TRUE;
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return PR_FALSE ;
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}
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PRBool nsArrayIterator :: IsFirst()
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{
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if (mVector == nsnull)
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return PR_TRUE;
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if (0 == (mCurrentElement))
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return PR_TRUE;
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return PR_FALSE ;
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}
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nsComponent nsArrayIterator :: CurrentItem()
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{
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if (IsDone())
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return nsnull ;
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return (mVector->ElementAt(mCurrentElement));
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}
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PRUint32 nsArrayIterator :: Count()
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{
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return (mVector->Count());
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}
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