Symaptic: os/ossrv/genericopenlibs/openenvcore/backend/inc/streambase.h@bde4ae8d615e

     1 /*

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

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

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

     6 * which accompanies this distribution, and is available

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

8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:

    15 * Name        : streambase.h

    16 * Part of     : stdio server

    17 * base implementation for media types

    18 *

    19 */

    24 #ifndef _STREAMBASE_H_

    25 #define _STREAMBASE_H_

    27 #include <e32base.h>//CBase

    30 const TInt KMaxStatusTextLength = 128;

    32 enum TStreamType

    33 	{

    34 	EConsole =0,

    35 	EFile,

    36 	ESerial,

    37 	ENull

    38 	};

    40 //-----------------------------------------------------------------------

    41 //Class name: CStreamBase

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

    43 //-----------------------------------------------------------------------

    44 class CStreamBase : public CBase

    45 	{

    46 public:

    47 	virtual void WriteL(TDes8& aDes) = 0;

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

    49 	virtual TDes8& Buf();

    50  	virtual void ReadCancel() = 0;

    51  	virtual TStreamType Type() = 0;

    52 	virtual ~CStreamBase()

    53 		{

    54 		}

    55 protected:

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

    57 	CStreamBase()

    58 		{

    59 		iBuf.Zero();

    60 		}

    61 	};

    63 #endif //_STREAMBASE_H_

author	sl@SLION-WIN7.fritz.box
	Fri, 15 Jun 2012 03:10:57 +0200
changeset 0	bde4ae8d615e
permissions	-rw-r--r--