os/ossrv/genericopenlibs/openenvcore/backend/inc/streambase.h
changeset 0 bde4ae8d615e
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/ossrv/genericopenlibs/openenvcore/backend/inc/streambase.h	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,63 @@
     1.4 +/*
     1.5 +* Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).
     1.6 +* All rights reserved.
     1.7 +* This component and the accompanying materials are made available
     1.8 +* under the terms of "Eclipse Public License v1.0"
     1.9 +* which accompanies this distribution, and is available
    1.10 +* at the URL "http://www.eclipse.org/legal/epl-v10.html".
    1.11 +*
    1.12 +* Initial Contributors:
    1.13 +* Nokia Corporation - initial contribution.
    1.14 +*
    1.15 +* Contributors:
    1.16 +*
    1.17 +* Description:
    1.18 +* Name        : streambase.h
    1.19 +* Part of     : stdio server
    1.20 +* base implementation for media types
    1.21 +*
    1.22 +*/
    1.23 +
    1.24 +
    1.25 +
    1.26 +
    1.27 +#ifndef _STREAMBASE_H_
    1.28 +#define _STREAMBASE_H_
    1.29 +
    1.30 +#include <e32base.h>//CBase
    1.31 +
    1.32 +
    1.33 +const TInt KMaxStatusTextLength = 128;
    1.34 +
    1.35 +enum TStreamType
    1.36 +	{
    1.37 +	EConsole =0,
    1.38 +	EFile,
    1.39 +	ESerial,
    1.40 +	ENull
    1.41 +	};
    1.42 +
    1.43 +//-----------------------------------------------------------------------
    1.44 +//Class name: CStreamBase
    1.45 +//Description: Abstract class that defines stream like objects.
    1.46 +//-----------------------------------------------------------------------
    1.47 +class CStreamBase : public CBase
    1.48 +	{
    1.49 +public:
    1.50 +	virtual void WriteL(TDes8& aDes) = 0;
    1.51 +	virtual void Read(TRequestStatus& aStatus, const TInt aLength) = 0;
    1.52 +	virtual TDes8& Buf();
    1.53 + 	virtual void ReadCancel() = 0;	
    1.54 + 	virtual TStreamType Type() = 0;
    1.55 +	virtual ~CStreamBase()
    1.56 +		{
    1.57 +		}
    1.58 +protected:
    1.59 +	TBuf8<256> iBuf; 	// buffer for holding stdin characters
    1.60 +	CStreamBase()
    1.61 +		{
    1.62 +		iBuf.Zero();
    1.63 +		}
    1.64 +	};
    1.65 +
    1.66 +#endif //_STREAMBASE_H_