pjs/netwerk/cache/include/nsMemStream.h

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1.7 KiB
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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this Mem are subject to the Netscape Public License
* Version 1.0 (the "License"); you may not use this Mem 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 Communicator client 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.
*/
/* nsMemStream. A memory based stream for use with memory objects
*
* -Gagan Saksena 09/15/98.
*/
#ifndef nsMemStream_h__
#define nsMemStream_h__
//#include "nsISupports.h"
#include "nsStream.h"
class nsMemStream: public nsStream
{
public:
nsMemStream();
virtual ~nsMemStream();
/*
NS_IMETHOD QueryInterface(const nsIID& aIID,
void** aInstancePtr);
NS_IMETHOD_(nsrefcnt) AddRef(void);
NS_IMETHOD_(nsrefcnt) Release(void);
*/
PRInt32 Read(void* o_Buffer, PRUint32 i_Len);
void Reset(void);
PRInt32 Write(const void* i_Buffer, PRUint32 i_Len);
protected:
private:
nsMemStream(const nsMemStream& o);
nsMemStream& operator=(const nsMemStream& o);
PRUint32 m_AllocSize;
PRUint32 m_ReadOffset;
PRUint32 m_WriteOffset;
void* m_pStart;
PRUint32 m_Size;
};
#endif // nsMemStream_h__