sl@0: /*
sl@0: * Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: * All rights reserved.
sl@0: * This component and the accompanying materials are made available
sl@0: * under the terms of "Eclipse Public License v1.0"
sl@0: * which accompanies this distribution, and is available
sl@0: * at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: *
sl@0: * Initial Contributors:
sl@0: * Nokia Corporation - initial contribution.
sl@0: *
sl@0: * Contributors:
sl@0: *
sl@0: * Description: 
sl@0: * J5 charconv character converter
sl@0: *
sl@0: */
sl@0: 
sl@0: 
sl@0: #if !defined(__J5_H__)
sl@0: #define __J5_H__
sl@0: 
sl@0: /**
sl@0: J5 charconv character converter which supports automatic conversion for the following
sl@0: character sets:
sl@0: 	SHIFT-JIS (Windows-31J Microsoft code page 932), 
sl@0: 	ISO-2022-JP-1 (JIS-JP) 
sl@0: 	EUC_JP 
sl@0: 	UTF8 
sl@0: 	UCS2
sl@0: @internalTechnology 
sl@0: @released 9.1
sl@0: */
sl@0: class CJ5Converter : public CCharacterSetConverterPluginInterface
sl@0: 	{
sl@0: 
sl@0: public:
sl@0: 	enum TJ5Encoding
sl@0: 		{
sl@0: 		EShiftjis = 1,
sl@0: 		EIso2022jp1, 
sl@0: 		EEucjp, 
sl@0: 		EUtf8, 
sl@0: 		EUcs2,
sl@0: 		EUnknown
sl@0: 		};
sl@0: 
sl@0: 	virtual const TDesC8& ReplacementForUnconvertibleUnicodeCharacters();
sl@0: 
sl@0: 	virtual TInt ConvertFromUnicode(
sl@0: 		CCnvCharacterSetConverter::TEndianness aDefaultEndiannessOfForeignCharacters, 
sl@0: 		const TDesC8& aReplacementForUnconvertibleUnicodeCharacters, 
sl@0: 		TDes8& aForeign, 
sl@0: 		const TDesC16& aUnicode, 
sl@0: 		CCnvCharacterSetConverter::TArrayOfAscendingIndices& aIndicesOfUnconvertibleCharacters);
sl@0: 
sl@0: 	virtual TInt ConvertToUnicode(
sl@0: 		CCnvCharacterSetConverter::TEndianness aDefaultEndiannessOfForeignCharacters, 
sl@0: 		TDes16& aUnicode, 
sl@0: 		const TDesC8& aForeign, 
sl@0: 		TInt& aState, 
sl@0: 		TInt& aNumberOfUnconvertibleCharacters, 
sl@0: 		TInt& aIndexOfFirstByteOfFirstUnconvertibleCharacter);
sl@0: 
sl@0: 	virtual TBool IsInThisCharacterSetL(
sl@0: 		TBool& aSetToTrue, 
sl@0: 		TInt& aConfidenceLevel, 
sl@0: 		const TDesC8& aSample);
sl@0: 
sl@0: 	static CJ5Converter* NewL();
sl@0: 	virtual ~CJ5Converter();
sl@0: 
sl@0: private:
sl@0: 	CJ5Converter();
sl@0: 	void ConstructL();
sl@0: 	
sl@0: 	enum TDectectCharacterSet
sl@0: 		{
sl@0: 		EIsCharacterSet = 1,
sl@0: 		EIsNotCharacterSet,
sl@0: 		EMaybeCharacterSet
sl@0: 		};
sl@0: 			
sl@0: 	enum TJ5Encoding DetectEncoding(
sl@0: 		CCnvCharacterSetConverter::TEndianness& aDefaultEndiannessOfForeignCharacters, 
sl@0: 		const TDesC8& aForeign );
sl@0: 
sl@0: 	TBool DetectUcs2( const TDesC8& aForeign,
sl@0: 		CCnvCharacterSetConverter::TEndianness& aTEndianness );
sl@0: 		
sl@0: 	enum TDectectCharacterSet DetectShiftJis( const TDesC8& aForeign,
sl@0: 		TInt &aNumberOfBytesConverted );
sl@0: 	
sl@0: 	enum TDectectCharacterSet DetectUtf8( const TDesC8& aForeign );
sl@0: 
sl@0: 	enum TDectectCharacterSet DetectEucJp( const TDesC8& aForeign,
sl@0: 		TInt &aNumberOfBytesConverted );
sl@0: 
sl@0: 	enum TDectectCharacterSet DetectIso2022( const TDesC8& aForeign );
sl@0: 		
sl@0: 	TInt ConvertEEucjpToUnicode(
sl@0: 		CCnvCharacterSetConverter::TEndianness aDefaultEndiannessOfForeignCharacters,
sl@0: 		TDes16& aUnicode, 
sl@0: 		const TDesC8& aForeign, 
sl@0: 		TInt& aState, 
sl@0: 		TInt& aNumberOfUnconvertibleCharacters, 
sl@0: 		TInt& aIndexOfFirstByteOfFirstUnconvertibleCharacter);
sl@0: 	
sl@0: 	TInt ConvertUcs2ToUnicode(CCnvCharacterSetConverter::TEndianness& aDefaultEndiannessOfForeignCharacters, 
sl@0: 						   TDes16& aUnicode,		
sl@0: 						   const TDesC8& aForeign,	
sl@0: 						   TInt& aNumberOfUnconvertibleCharacters,   
sl@0: 						   TInt& aIndexOfFirstByteOfFirstUnconvertibleCharacter); 
sl@0: 									  
sl@0: 	};
sl@0: 
sl@0: 	
sl@0: 							  
sl@0: // EucJp conversion methods	
sl@0: void DummyConvertToIntermediateBufferInPlace(TDes8&);
sl@0: void ConvertToJisX0212FromEucJpPackedInPlace(TDes8& aDescriptor);
sl@0: void ConvertToJisX0208FromEucJpPackedInPlace(TDes8& aDescriptor);
sl@0: void ConvertToHalfWidthKatakana8FromEucJpPackedInPlace(TDes8& aDescriptor);
sl@0: TInt NumberOfBytesAbleToConvertToJisRoman(const TDesC8& aDescriptor);
sl@0: TInt NumberOfBytesAbleToConvertToJisX0208(const TDesC8& aDescriptor);
sl@0: TInt NumberOfBytesAbleToConvertToHalfWidthKatakana8(const TDesC8& aDescriptor);
sl@0: TInt NumberOfBytesAbleToConvertToJisX0212(const TDesC8& aDescriptor);
sl@0: 
sl@0: #endif
sl@0: