// 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