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