// Copyright (c) 1999-2009 Nokia Corporation and/or its subsidiary(-ies).

// All rights reserved.

// This component and the accompanying materials are made available

// under the terms of the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members

// which accompanies this distribution, and is available

// at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".

//

// Initial Contributors:

// Nokia Corporation - initial contribution.

//

// Contributors:

//

// Description:

//

//  Abstract stream classes for Stdio Redirection app

//

#ifndef _REDIRSTR_H_

#define _REDIRSTR_H_

#include <e32base.h>

#include <e32std.h>

/**

Maximum size of TBuf<> data member in the CStreamFactoryBase2 class.

@see CStreamFactoryBase2

@publishedPartner

@released

*/

const TInt KMaxStatusTextLength = 128;

// The following functions are defined to replace previous exports so def file 

// does not need reordering.

IMPORT_C void DummyReserved9();

IMPORT_C void DummyReserved10();

IMPORT_C void DummyReserved11();

/**

Abstract class that defines stream like objects.

@publishedPartner

@released

*/	

class CStreamBase2 : public CBase

	{

public:

	virtual void Write(TDes8& aDes) = 0;

	virtual void Read(const RMessage2& aMessage) = 0;

protected:	

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

	IMPORT_C void CompleteRead(const RMessage2 &aMessage);

	};

/** 

Abstract Factory class for creating stream-like classes.

@publishedPartner

@released

*/

class CStreamFactoryBase2 : public CBase

	{

public:

	virtual CStreamBase2* GetStream() = 0;

	virtual void Configure() = 0;

	IMPORT_C virtual const TDesC& GetStatus() const;

protected:

	IMPORT_C void AppendToStatus(const TDesC& aMsg);

private:

	TBuf<KMaxStatusTextLength> iStatusMsg;

	};

#endif