// character_converter.h

// 

// Copyright (c) 2005 - 2010 Accenture. All rights reserved.

// This component and the accompanying materials are made available

// under the terms of the "Eclipse Public License v1.0"

// which accompanies this distribution, and is available

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

// 

// Initial Contributors:

// Accenture - Initial contribution

//

#ifndef __CHARACTER_CONVERTER_H__

#define __CHARACTER_CONVERTER_H__

#include <e32std.h>

#include <f32file.h>

#include <charconv.h>

class CCharacterConverter : public CBase

	{

public:

	enum TChunkType

		{

		EFirst,

		EMiddle,

		ELast

		};

public:

	static CCharacterConverter* NewL(TInt aMaxBlockSize, RFs& aFs, TUint aCharset=0); // 0 means autodetect

	~CCharacterConverter();

	const TDesC& ConvertChunkL(const TDesC8& aNarrowBuf, TChunkType aType);

private:

	CCharacterConverter(TInt aMaxBlockSize, RFs& aFs, TUint aCharset);

	void ConstructL();

private:

	RFs& iFs;

	TInt iCharConvState;

	TInt iNumUnconvertibleChars;

	const TInt iMaxBlockSize;

	HBufC8* iNarrowBuf;

	HBufC16* iWideBuf;

	TPtr8 iNarrowPtr;

	TPtr16 iWidePtr;

	CCnvCharacterSetConverter* iConverter;

	CArrayFix<CCnvCharacterSetConverter::SCharacterSet>* iCharSets;

	TUint iCharset;

	};

#endif // __CHARACTER_CONVERTER_H__