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103 lines
3.3 KiB
C++
103 lines
3.3 KiB
C++
/* ***** 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 mozilla.org code.
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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) 1995
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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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 _nsUint8Array_H_
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#define _nsUint8Array_H_
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#include "nscore.h"
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#include "nsCRT.h"
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#include "prmem.h"
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#include "msgCore.h"
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class NS_MSG_BASE nsUint8Array
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{
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public:
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// Construction
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nsUint8Array();
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// Attributes
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PRInt32 GetSize() const;
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PRInt32 GetUpperBound() const;
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void SetSize(PRInt32 nNewSize, PRInt32 nGrowBy = -1);
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void AllocateSpace(PRUint32 nNewSize) { if (nNewSize == 0) return; PRInt32 saveSize = m_nSize; SetSize(nNewSize); m_nSize = saveSize;};
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// Operations
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// Clean up
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void FreeExtra();
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void RemoveAll();
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// Accessing elements
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PRUint8 GetAt(PRInt32 nIndex) const;
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void SetAt(PRInt32 nIndex, PRUint8 newElement);
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PRUint8& ElementAt(PRInt32 nIndex);
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// Potentially growing the array
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void SetAtGrow(PRInt32 nIndex, PRUint8 newElement);
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PRInt32 Add(PRUint8 newElement);
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// overloaded operator helpers
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PRUint8 operator[](PRInt32 nIndex) const;
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PRUint8& operator[](PRInt32 nIndex);
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// Operations that move elements around
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nsresult InsertAt(PRInt32 nIndex, PRUint8 newElement, PRInt32 nCount = 1);
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void RemoveAt(PRInt32 nIndex, PRInt32 nCount = 1);
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nsresult InsertAt(PRInt32 nStartIndex, nsUint8Array* pNewArray);
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void CopyArray(nsUint8Array &aSrcArray);
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// use carefully!
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PRUint8* GetArray(void) {return((PRUint8*)m_pData);} // only valid until another function called on the array (like GetBuffer() in CString)
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// Implementation
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protected:
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PRUint8* m_pData; // the actual array of data
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PRInt32 m_nSize; // # of elements (upperBound - 1)
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PRInt32 m_nMaxSize; // max allocated
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PRInt32 m_nGrowBy; // grow amount
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public:
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~nsUint8Array();
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#ifdef _DEBUG
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void AssertValid() const;
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#endif
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};
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#endif
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