/*

* Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:

* Name        : streambase.h

* Part of     : stdio server

* base implementation for media types

*

*/

#ifndef _STREAMBASE_H_

#define _STREAMBASE_H_

#include <e32base.h>//CBase

const TInt KMaxStatusTextLength = 128;

enum TStreamType

	{

	EConsole =0,

	EFile,

	ESerial,

	ENull

	};

//-----------------------------------------------------------------------

//Class name: CStreamBase

//Description: Abstract class that defines stream like objects.

//-----------------------------------------------------------------------

class CStreamBase : public CBase

	{

public:

	virtual void WriteL(TDes8& aDes) = 0;

	virtual void Read(TRequestStatus& aStatus, const TInt aLength) = 0;

	virtual TDes8& Buf();

 	virtual void ReadCancel() = 0;	

 	virtual TStreamType Type() = 0;

	virtual ~CStreamBase()

		{

		}

protected:

	TBuf8<256> iBuf; 	// buffer for holding stdin characters

	CStreamBase()

		{

		iBuf.Zero();

		}

	};

#endif //_STREAMBASE_H_