/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
 *
 * The contents of this file are subject to the Netscape 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/NPL/
 *
 * 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 Netscape are
 * Copyright (C) 1998 Netscape Communications Corporation. All
 * Rights Reserved.
 *
 * Contributor(s): 
 * This Original Code has been modified by IBM Corporation. Modifications made by IBM 
 * described herein are Copyright (c) International Business Machines Corporation, 2000.
 * Modifications to Mozilla code or documentation identified per MPL Section 3.3
 *
 * Date             Modified by     Description of modification
 * 04/20/2000       IBM Corp.      OS/2 VisualAge build.
 */
#ifndef _nsUInt32Array_H_
#define _nsUInt32Array_H_

#include "nscore.h"
#include "nsCRT.h"
#include "prmem.h"
#include "msgCore.h"

class NS_MSG_BASE nsUInt32Array
{
public:
	// Construction/destruction
    nsUInt32Array();
    virtual ~nsUInt32Array();

	// State/attribute member functions
	PRUint32          GetSize() const;
	PRBool            SetSize(PRUint32 nNewSize, PRBool AdjustGrowth=PR_FALSE, PRUint32 nGrowBy = 0);
  PRBool            AllocateSpace(PRUint32 nNewSize) {
                      if (nNewSize == 0) return PR_TRUE;
                      PRUint32 saveSize = m_nSize;
                      nsresult rv = SetSize(nNewSize);
                      m_nSize = saveSize;
                      return rv;
                    };

	// Accessor member functions
	PRUint32            &ElementAt(PRUint32 nIndex);
	PRUint32             GetAt(PRUint32 nIndex) const;
	PRUint32            *GetData();
	void               SetAt(PRUint32 nIndex, PRUint32 newElement);

	// Insertion/deletion member functions
	PRUint32			Add(PRUint32 newElement);
	PRUint32           Add(PRUint32 *elementPtr, PRUint32 numElements); 
	void	           InsertAt(PRUint32 nIndex, PRUint32 newElement, PRUint32 nCount = 1);
	void               InsertAt(PRUint32 nStartIndex, const nsUInt32Array *pNewArray);
	void               RemoveAll();
	void               RemoveAt(PRUint32 nIndex, PRUint32 nCount = 1);
	void               SetAtGrow(PRUint32 nIndex, PRUint32 newElement);

	// Sorting member functions
	void               QuickSort(int (* PR_CALLBACK compare) (const void *elem1, const void *elem2, void *) = NULL);

	// Overloaded operators
	PRUint32             operator[](PRUint32 nIndex) const { return GetAt(nIndex); }
	PRUint32            &operator[](PRUint32 nIndex) { return ElementAt(nIndex); }

	// Miscellaneous member functions
	PRUint32            *CloneData(); 
	void               CopyArray(nsUInt32Array *oldA);
	void               CopyArray(nsUInt32Array &oldA);

protected:
    // Member data
	PRUint32 m_nSize;
	PRUint32 m_nMaxSize;
	PRUint32 m_nGrowBy;
	PRUint32* m_pData;
};


#endif // _DWordArray_H_