sl@0: /*
sl@0: * Copyright (c) 1997-2009 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: *
sl@0: */
sl@0: 
sl@0: 
sl@0: #include <e32std.h>
sl@0: #include <charconv.h>
sl@0: #include <convutils.h>
sl@0: #include "jisbase.h"
sl@0: #include "jisx0201.h"
sl@0: #include "jisx0208.h"
sl@0: #include "jisx0212.h"
sl@0: #include <ecom/implementationproxy.h>
sl@0: #include <charactersetconverter.h>
sl@0: #include "featmgr/featmgr.h" 
sl@0: 
sl@0: _LIT8(KLit8EscapeSequenceForJisRoman, "\x1b\x28\x4a");
sl@0: _LIT8(KLit8EscapeSequenceForAscii, "\x1b\x28\x42");
sl@0: _LIT8(KLit8EscapeSequenceForHalfWidthKatakana, "\x1b\x28\x49");
sl@0: _LIT8(KLit8EscapeSequenceForJisX0208_1983, "\x1b\x24\x42");
sl@0: _LIT8(KLit8EscapeSequenceForJisX0212_1990, "\x1b\x24\x28\x44");
sl@0: _LIT8(KLit8JisReplacementForUnconvertibleUnicodeCharacters, "\x1b\x24\x42\x21\x29"); // fullwidth question mark
sl@0: 
sl@0: class CJISConverterImpl : public CCharacterSetConverterPluginInterface
sl@0: 	{
sl@0: 
sl@0: public:
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 CJISConverterImpl* NewL();
sl@0: 	virtual ~CJISConverterImpl();
sl@0: 
sl@0: private:
sl@0: 	CJISConverterImpl();
sl@0: 	void ConstructL();
sl@0: 
sl@0: 	};
sl@0: 
sl@0: 
sl@0: 
sl@0: const TDesC8& CJISConverterImpl::ReplacementForUnconvertibleUnicodeCharacters()
sl@0: 	{
sl@0: 	return KLit8JisReplacementForUnconvertibleUnicodeCharacters;
sl@0: 	}
sl@0: 
sl@0: LOCAL_C void ConvertFromJisRomanToJisInPlace(TInt aStartPositionInDescriptor, TDes8& aDescriptor, TInt& aNumberOfCharactersThatDroppedOut)
sl@0: 	{
sl@0: 	CnvUtilities::ConvertFromIntermediateBufferInPlace(aStartPositionInDescriptor, aDescriptor, aNumberOfCharactersThatDroppedOut, KLit8EscapeSequenceForJisRoman, 1);
sl@0: 	}
sl@0: 
sl@0: LOCAL_C void ConvertFromAsciiToJisInPlace(TInt aStartPositionInDescriptor, TDes8& aDescriptor, TInt& aNumberOfCharactersThatDroppedOut)
sl@0: 	{
sl@0: 	CnvUtilities::ConvertFromIntermediateBufferInPlace(aStartPositionInDescriptor, aDescriptor, aNumberOfCharactersThatDroppedOut, KLit8EscapeSequenceForAscii, 1);
sl@0: 	}
sl@0: 
sl@0: LOCAL_C void ConvertFromHalfWidthKatakanaToJisInPlace(TInt aStartPositionInDescriptor, TDes8& aDescriptor, TInt& aNumberOfCharactersThatDroppedOut)
sl@0: 	{
sl@0: 	CnvUtilities::ConvertFromIntermediateBufferInPlace(aStartPositionInDescriptor, aDescriptor, aNumberOfCharactersThatDroppedOut, KLit8EscapeSequenceForHalfWidthKatakana, 1);
sl@0: 	}
sl@0: 
sl@0: LOCAL_C void ConvertFromJisX0208ToJisInPlace(TInt aStartPositionInDescriptor, TDes8& aDescriptor, TInt& aNumberOfCharactersThatDroppedOut)
sl@0: 	{
sl@0: 	CnvUtilities::ConvertFromIntermediateBufferInPlace(aStartPositionInDescriptor, aDescriptor, aNumberOfCharactersThatDroppedOut, KLit8EscapeSequenceForJisX0208_1983, 2);
sl@0: 	}
sl@0: 
sl@0: LOCAL_C void ConvertFromJisX0212ToJisInPlace(TInt aStartPositionInDescriptor, TDes8& aDescriptor, TInt& aNumberOfCharactersThatDroppedOut)
sl@0: 	{
sl@0: 	CnvUtilities::ConvertFromIntermediateBufferInPlace(aStartPositionInDescriptor, aDescriptor, aNumberOfCharactersThatDroppedOut, KLit8EscapeSequenceForJisX0212_1990, 2);
sl@0: 	}
sl@0: 
sl@0: TInt CJISConverterImpl::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: 	TFixedArray<CnvUtilities::SCharacterSet, 5> characterSets;
sl@0: 	characterSets[0].iConversionData=&CnvJisRoman::ConversionData();
sl@0: 	characterSets[0].iConvertFromIntermediateBufferInPlace=ConvertFromJisRomanToJisInPlace;
sl@0: 	characterSets[0].iEscapeSequence=&KLit8EscapeSequenceForJisRoman;
sl@0: 	characterSets[1].iConversionData=&CCnvCharacterSetConverter::AsciiConversionData();
sl@0: 	characterSets[1].iConvertFromIntermediateBufferInPlace=ConvertFromAsciiToJisInPlace;
sl@0: 	characterSets[1].iEscapeSequence=&KLit8EscapeSequenceForAscii;
sl@0: 	characterSets[2].iConversionData=&CnvJisBase::HalfWidthKatakana7ConversionData();
sl@0: 	characterSets[2].iConvertFromIntermediateBufferInPlace=ConvertFromHalfWidthKatakanaToJisInPlace;
sl@0: 	characterSets[2].iEscapeSequence=&KLit8EscapeSequenceForHalfWidthKatakana;
sl@0: 	characterSets[3].iConversionData=&CnvJisX0208::ConversionData();
sl@0: 	characterSets[3].iConvertFromIntermediateBufferInPlace=ConvertFromJisX0208ToJisInPlace;
sl@0: 	characterSets[3].iEscapeSequence=&KLit8EscapeSequenceForJisX0208_1983;
sl@0: 	characterSets[4].iConversionData=&CnvJisX0212::ConversionData();
sl@0: 	characterSets[4].iConvertFromIntermediateBufferInPlace=ConvertFromJisX0212ToJisInPlace;
sl@0: 	characterSets[4].iEscapeSequence=&KLit8EscapeSequenceForJisX0212_1990;
sl@0: 	return CnvUtilities::ConvertFromUnicode(aDefaultEndiannessOfForeignCharacters, aReplacementForUnconvertibleUnicodeCharacters, aForeign, aUnicode, aIndicesOfUnconvertibleCharacters, characterSets.Array());
sl@0: 	}
sl@0: 
sl@0: TInt CJISConverterImpl::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: 	return CnvJisBase::ConvertToUnicode(aDefaultEndiannessOfForeignCharacters, aUnicode, aForeign, aState, aNumberOfUnconvertibleCharacters, aIndexOfFirstByteOfFirstUnconvertibleCharacter);
sl@0: 	}
sl@0: 
sl@0: TBool CJISConverterImpl::IsInThisCharacterSetL(
sl@0: 		TBool& aSetToTrue, 
sl@0: 		TInt& aConfidenceLevel, 
sl@0: 		const TDesC8& aSample)
sl@0: 	{
sl@0: 	aSetToTrue=ETrue;
sl@0: 	CnvJisBase::IsCharacterJISBased(aConfidenceLevel, aSample);
sl@0: 	return ETrue;
sl@0: 	}
sl@0: 
sl@0: CJISConverterImpl* CJISConverterImpl::NewL()
sl@0: 	{
sl@0: 	CJISConverterImpl* self = new(ELeave) CJISConverterImpl();
sl@0:     CleanupStack::PushL(self);
sl@0:     self->ConstructL();
sl@0:     CleanupStack::Pop(self);
sl@0: 	return self;
sl@0: 	}
sl@0: 
sl@0: CJISConverterImpl::~CJISConverterImpl()
sl@0: 	{
sl@0: 	FeatureManager::UnInitializeLib();
sl@0: 	}
sl@0: 
sl@0: CJISConverterImpl::CJISConverterImpl()
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: void CJISConverterImpl::ConstructL()
sl@0:     {
sl@0:     FeatureManager::InitializeLibL();
sl@0:     }
sl@0: 
sl@0: const TImplementationProxy ImplementationTable[] = 
sl@0: 	{
sl@0: 		IMPLEMENTATION_PROXY_ENTRY(0x10006066,	CJISConverterImpl::NewL)
sl@0: 	};
sl@0: 
sl@0: EXPORT_C const TImplementationProxy* ImplementationGroupProxy(TInt& aTableCount)
sl@0: 	{
sl@0: 	aTableCount = sizeof(ImplementationTable) / sizeof(TImplementationProxy);
sl@0: 
sl@0: 	return ImplementationTable;
sl@0: 	}
sl@0: