// Copyright (c) 1997-2009 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:

 //

 #if !defined(__INBUF_H__)

 #define __INBUF_H__

 #if !defined(__F32FILE_H__)

 #include <f32file.h>

 #endif

 #if !defined(__S32STOR_H__)

 #include <s32stor.h>

 #endif

 const TInt KErrEndOfInput = -1000;

 class CImportBufferBase : public CBase

 /**

 The purpose of this class is to provide a method of

 abstracting the source of an input through a buffer

 The class is intended to be used for a single input then destroyed

 @publishedPartner

 @deprecated>

 */

 	{

 public:

 	IMPORT_C CImportBufferBase(TInt aMaxSize);

 	IMPORT_C ~CImportBufferBase();

 	IMPORT_C void ConstructL();

 	IMPORT_C TInt ReadL(TText8& aByte);

 	// !! Descriptor versions of ReadL useful?

 	IMPORT_C virtual TInt SeekL(TSeek aSeekMode, TInt anOffset);

 	IMPORT_C void ResetImportBuffer();

 	IMPORT_C void ResetReadPtr();

 protected:

 	virtual TInt FillImportBuf()=0;

 	IMPORT_C TInt MaxSize();

 	IMPORT_C void SetLength(TInt aLength);

 protected:

 	TInt iImportBufferLength; 

 	HBufC8* iImportBuffer;

 private:

 	TText8* iReadPtr;

 	TText8* iEndBuf;

 	TText8* iTBase;

 	TInt iMaxSize;

 	};

 class CFileImportBuffer : public CImportBufferBase

 /**

 Buffered import from a file

 @publishedPartner

 @deprecated

 */

 	{

 	// Buffered import from a file

 public:

 	IMPORT_C CFileImportBuffer(RFile aSource, TInt aMaxSize);

 	IMPORT_C TInt SeekL(TSeek aSeekMode, TInt anOffset);

 protected:

 	IMPORT_C TInt FillImportBuf();

 private:

 	RFile iSource;

 	};

 #endif // __INBUF_H__