sl@0: /*
sl@0: * Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: * All rights reserved.
sl@0: * This component and the accompanying materials are made available
sl@0: * under the terms of "Eclipse Public License v1.0"
sl@0: * which accompanies this distribution, and is available
sl@0: * at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: *
sl@0: * Initial Contributors:
sl@0: * Nokia Corporation - initial contribution.
sl@0: *
sl@0: * Contributors:
sl@0: *
sl@0: * Description:
sl@0: * Name        : streambase.h
sl@0: * Part of     : stdio server
sl@0: * base implementation for media types
sl@0: *
sl@0: */
sl@0: 
sl@0: 
sl@0: 
sl@0: 
sl@0: #ifndef _STREAMBASE_H_
sl@0: #define _STREAMBASE_H_
sl@0: 
sl@0: #include <e32base.h>//CBase
sl@0: 
sl@0: 
sl@0: const TInt KMaxStatusTextLength = 128;
sl@0: 
sl@0: enum TStreamType
sl@0: 	{
sl@0: 	EConsole =0,
sl@0: 	EFile,
sl@0: 	ESerial,
sl@0: 	ENull
sl@0: 	};
sl@0: 
sl@0: //-----------------------------------------------------------------------
sl@0: //Class name: CStreamBase
sl@0: //Description: Abstract class that defines stream like objects.
sl@0: //-----------------------------------------------------------------------
sl@0: class CStreamBase : public CBase
sl@0: 	{
sl@0: public:
sl@0: 	virtual void WriteL(TDes8& aDes) = 0;
sl@0: 	virtual void Read(TRequestStatus& aStatus, const TInt aLength) = 0;
sl@0: 	virtual TDes8& Buf();
sl@0:  	virtual void ReadCancel() = 0;	
sl@0:  	virtual TStreamType Type() = 0;
sl@0: 	virtual ~CStreamBase()
sl@0: 		{
sl@0: 		}
sl@0: protected:
sl@0: 	TBuf8<256> iBuf; 	// buffer for holding stdin characters
sl@0: 	CStreamBase()
sl@0: 		{
sl@0: 		iBuf.Zero();
sl@0: 		}
sl@0: 	};
sl@0: 
sl@0: #endif //_STREAMBASE_H_