// Copyright (c) 2000-2009 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:
//

#ifndef __GBK_H__
#define __GBK_H__

#if !defined(__E32STD_H__)
#include <e32std.h>
#endif

#if !defined(__CHARCONV_H__)
#include <charconv.h>
#endif

class CnvGbk 
/**
only to be used by CHARCONV plug-in DLLs and by locale-DLLs (Locl::FatUtilityFunctions)
@internalComponent
*/
	{
public:
	IMPORT_C static const TDesC8& ReplacementForUnconvertibleUnicodeCharacters();
	IMPORT_C static TInt ConvertFromUnicode(CCnvCharacterSetConverter::TEndianness aDefaultEndiannessOfForeignCharacters, const TDesC8& aReplacementForUnconvertibleUnicodeCharacters, TDes8& aForeign, const TDesC16& aUnicode, CCnvCharacterSetConverter::TArrayOfAscendingIndices& aIndicesOfUnconvertibleCharacters);
	IMPORT_C static TInt ConvertFromUnicode(CCnvCharacterSetConverter::TEndianness aDefaultEndiannessOfForeignCharacters, const TDesC8& aReplacementForUnconvertibleUnicodeCharacters, TDes8& aForeign, const TDesC16& aUnicode, CCnvCharacterSetConverter::TArrayOfAscendingIndices& aIndicesOfUnconvertibleCharacters, TUint& aOutputConversionFlags, TUint aInputConversionFlags);
	IMPORT_C static TInt ConvertToUnicode(CCnvCharacterSetConverter::TEndianness aDefaultEndiannessOfForeignCharacters, TDes16& aUnicode, const TDesC8& aForeign, TInt& aNumberOfUnconvertibleCharacters, TInt& aIndexOfFirstByteOfFirstUnconvertibleCharacter);
	IMPORT_C static TInt ConvertToUnicode(CCnvCharacterSetConverter::TEndianness aDefaultEndiannessOfForeignCharacters, TDes16& aUnicode, const TDesC8& aForeign, TInt& aNumberOfUnconvertibleCharacters, TInt& aIndexOfFirstByteOfFirstUnconvertibleCharacter, TUint& aOutputConversionFlags, TUint aInputConversionFlags);
	IMPORT_C static TBool IsCharGBBased(TInt& aConfidenceLevel, const TDesC8& aSample);
	};

#endif
