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/*
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* Copyright (c) 2000-2009 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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*
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*/
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#include <e32std.h>
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#include <charconv.h>
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#include <convutils.h>
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#include "jisbase.h"
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#include "jisx0201.h"
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#include "jisx0208.h"
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#include <ecom/implementationproxy.h>
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#include <charactersetconverter.h>
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_LIT8(KLit8EscapeSequenceForJisRoman, "\x1b\x28\x4a");
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_LIT8(KLit8EscapeSequenceForAscii, "\x1b\x28\x42");
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_LIT8(KLit8EscapeSequenceForJisX0208_1983, "\x1b\x24\x42");
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_LIT8(KLit8Iso2022JpReplacementForUnconvertibleUnicodeCharacters, "\x1b\x24\x42\x21\x29"); // fullwidth question mark
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class CISO2022JPConverterImpl : public CCharacterSetConverterPluginInterface
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{
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public:
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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 CISO2022JPConverterImpl* NewL();
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virtual ~CISO2022JPConverterImpl();
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private:
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CISO2022JPConverterImpl();
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};
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const TDesC8& CISO2022JPConverterImpl::ReplacementForUnconvertibleUnicodeCharacters()
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{
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return KLit8Iso2022JpReplacementForUnconvertibleUnicodeCharacters;
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}
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LOCAL_C void ConvertFromJisRomanToJisInPlace(TInt aStartPositionInDescriptor, TDes8& aDescriptor, TInt& aNumberOfCharactersThatDroppedOut)
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{
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CnvUtilities::ConvertFromIntermediateBufferInPlace(aStartPositionInDescriptor, aDescriptor, aNumberOfCharactersThatDroppedOut, KLit8EscapeSequenceForJisRoman, 1);
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}
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LOCAL_C void ConvertFromAsciiToJisInPlace(TInt aStartPositionInDescriptor, TDes8& aDescriptor, TInt& aNumberOfCharactersThatDroppedOut)
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{
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CnvUtilities::ConvertFromIntermediateBufferInPlace(aStartPositionInDescriptor, aDescriptor, aNumberOfCharactersThatDroppedOut, KLit8EscapeSequenceForAscii, 1);
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}
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LOCAL_C void ConvertFromJisX0208ToJisInPlace(TInt aStartPositionInDescriptor, TDes8& aDescriptor, TInt& aNumberOfCharactersThatDroppedOut)
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{
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CnvUtilities::ConvertFromIntermediateBufferInPlace(aStartPositionInDescriptor, aDescriptor, aNumberOfCharactersThatDroppedOut, KLit8EscapeSequenceForJisX0208_1983, 2);
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}
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TInt CISO2022JPConverterImpl::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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{
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TFixedArray<CnvUtilities::SCharacterSet, 3> characterSets;
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characterSets[0].iConversionData=&CCnvCharacterSetConverter::AsciiConversionData();
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characterSets[0].iConvertFromIntermediateBufferInPlace=ConvertFromAsciiToJisInPlace;
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characterSets[0].iEscapeSequence=&KLit8EscapeSequenceForAscii;
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characterSets[1].iConversionData=&CnvJisRoman::ConversionData();
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characterSets[1].iConvertFromIntermediateBufferInPlace=ConvertFromJisRomanToJisInPlace;
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characterSets[1].iEscapeSequence=&KLit8EscapeSequenceForJisRoman;
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characterSets[2].iConversionData=&CnvJisX0208::ConversionData();
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characterSets[2].iConvertFromIntermediateBufferInPlace=ConvertFromJisX0208ToJisInPlace;
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characterSets[2].iEscapeSequence=&KLit8EscapeSequenceForJisX0208_1983;
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TUint notUsed;
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TUint inputConversionFlags=CCnvCharacterSetConverter::EInputConversionFlagMustEndInDefaultCharacterSet |
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CCnvCharacterSetConverter::EInputConversionFlagAssumeStartInDefaultCharacterSet;
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return CnvUtilities::ConvertFromUnicode(aDefaultEndiannessOfForeignCharacters, aReplacementForUnconvertibleUnicodeCharacters, aForeign, aUnicode, aIndicesOfUnconvertibleCharacters, characterSets.Array(),notUsed,inputConversionFlags);
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}
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TInt CISO2022JPConverterImpl::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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{
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return CnvJisBase::ConvertToUnicode(aDefaultEndiannessOfForeignCharacters, aUnicode, aForeign, aState, aNumberOfUnconvertibleCharacters, aIndexOfFirstByteOfFirstUnconvertibleCharacter);
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}
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TBool CISO2022JPConverterImpl::IsInThisCharacterSetL(
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TBool& aSetToTrue,
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TInt& aConfidenceLevel,
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const TDesC8& aSample)
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{
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aSetToTrue=ETrue;
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CnvJisBase::IsCharacterJISBased(aConfidenceLevel, aSample);
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return ETrue;
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}
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CISO2022JPConverterImpl* CISO2022JPConverterImpl::NewL()
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{
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CISO2022JPConverterImpl* self = new(ELeave) CISO2022JPConverterImpl();
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return self;
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}
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CISO2022JPConverterImpl::~CISO2022JPConverterImpl()
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{
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}
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CISO2022JPConverterImpl::CISO2022JPConverterImpl()
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{
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}
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const TImplementationProxy ImplementationTable[] =
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{
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IMPLEMENTATION_PROXY_ENTRY(0x100066A0, CISO2022JPConverterImpl::NewL)
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};
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EXPORT_C const TImplementationProxy* ImplementationGroupProxy(TInt& aTableCount)
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{
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aTableCount = sizeof(ImplementationTable) / sizeof(TImplementationProxy);
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return ImplementationTable;
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}
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