sl@0: /*
sl@0: * Copyright (c) 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: #include "PictographObserver.h"
sl@0: #include "featmgr/featmgr.h"
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: 
sl@0: _LIT8(KLit8EscapeSequenceForJisRoman, "\x1b\x28\x4a");
sl@0: _LIT8(KLit8EscapeSequenceForAscii, "\x1b\x28\x42");
sl@0: //_LIT8(KLit8EscapeSequenceForJisC6226_1978, "\x1b\x24\x40");
sl@0: _LIT8(KLit8EscapeSequenceForJisX0208_1983, "\x1b\x24\x42");
sl@0: _LIT8(KLit8EscapeSequenceForJisX0212_1990, "\x1b\x24\x28\x44");
sl@0: //_LIT8(KLit8EscapeSequenceForHalfWidthKatakana, "\x1b\x28\x49");
sl@0: _LIT8(KLit8Iso2022Jp1ReplacementForUnconvertibleUnicodeCharacters, "\x1b\x24\x42\x21\x29"); // fullwidth question mark
sl@0: 
sl@0: 
sl@0: class CISO2022JP1ConverterImpl : 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 CISO2022JP1ConverterImpl* NewL();
sl@0: 	virtual ~CISO2022JP1ConverterImpl();
sl@0: 
sl@0: private:
sl@0: 	CISO2022JP1ConverterImpl();
sl@0: 	void ConstructL();
sl@0: 
sl@0: 	};
sl@0: 
sl@0: 
sl@0: const TDesC8& CISO2022JP1ConverterImpl::ReplacementForUnconvertibleUnicodeCharacters()
sl@0: 	{
sl@0: 	return KLit8Iso2022Jp1ReplacementForUnconvertibleUnicodeCharacters;
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 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 CISO2022JP1ConverterImpl::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:     TInt ret = KErrNone;
sl@0:     RArray<CnvUtilities::SCharacterSet> characterSets;
sl@0:     if ( FeatureManager::FeatureSupported(KFeatureIdJapanesePicto) )
sl@0:         {        
sl@0:         CnvUtilities::SCharacterSet characterSet;
sl@0:         characterSet.iConversionData=&CnvJisRoman::ConversionData();
sl@0:         characterSet.iConvertFromIntermediateBufferInPlace=ConvertFromJisRomanToJisInPlace;
sl@0:         characterSet.iEscapeSequence=&KLit8EscapeSequenceForJisRoman;
sl@0:         ret |= characterSets.Append(characterSet);
sl@0:         characterSet.iConversionData=&CCnvCharacterSetConverter::AsciiConversionData();
sl@0:         characterSet.iConvertFromIntermediateBufferInPlace=ConvertFromAsciiToJisInPlace;
sl@0:         characterSet.iEscapeSequence=&KLit8EscapeSequenceForAscii;
sl@0:         ret |= characterSets.Append(characterSet);
sl@0:         characterSet.iConversionData=&CnvJisX0208::ConversionData();
sl@0:         characterSet.iConvertFromIntermediateBufferInPlace=ConvertFromJisX0208ToJisInPlace;
sl@0:         characterSet.iEscapeSequence=&KLit8EscapeSequenceForJisX0208_1983;
sl@0:         ret |= characterSets.Append(characterSet);
sl@0:         characterSet.iConversionData=&CnvJisX0212::ConversionData();
sl@0:         characterSet.iConvertFromIntermediateBufferInPlace=ConvertFromJisX0212ToJisInPlace;
sl@0:         characterSet.iEscapeSequence=&KLit8EscapeSequenceForJisX0212_1990;
sl@0:         ret |= characterSets.Append(characterSet);
sl@0: 
sl@0:         SetCharacterSetsForPictograph(characterSets);
sl@0:         }
sl@0:     else
sl@0:         {        
sl@0:         CnvUtilities::SCharacterSet characterSet;
sl@0: 	    characterSet.iConversionData=&CnvJisRoman::ConversionData();
sl@0: 	    characterSet.iConvertFromIntermediateBufferInPlace=ConvertFromJisRomanToJisInPlace;
sl@0: 	    characterSet.iEscapeSequence=&KLit8EscapeSequenceForJisRoman;
sl@0: 	    ret |= characterSets.Append(characterSet);
sl@0:     	characterSet.iConversionData=&CCnvCharacterSetConverter::AsciiConversionData();
sl@0:     	characterSet.iConvertFromIntermediateBufferInPlace=ConvertFromAsciiToJisInPlace;
sl@0:     	characterSet.iEscapeSequence=&KLit8EscapeSequenceForAscii;
sl@0:     	ret |= characterSets.Append(characterSet);
sl@0:     	characterSet.iConversionData=&CnvJisX0208::ConversionData();
sl@0:     	characterSet.iConvertFromIntermediateBufferInPlace=ConvertFromJisX0208ToJisInPlace;
sl@0:     	characterSet.iEscapeSequence=&KLit8EscapeSequenceForJisX0208_1983;
sl@0:     	ret |= characterSets.Append(characterSet);
sl@0:     	characterSet.iConversionData=&CnvJisX0212::ConversionData();
sl@0:     	characterSet.iConvertFromIntermediateBufferInPlace=ConvertFromJisX0212ToJisInPlace;
sl@0:     	characterSet.iEscapeSequence=&KLit8EscapeSequenceForJisX0212_1990;
sl@0:     	ret |= characterSets.Append(characterSet);
sl@0:         }
sl@0:     __ASSERT_DEBUG(!ret, User::Panic(_L("RArray append failure"), ret));
sl@0: 	TUint notUsed;
sl@0: 	TUint inputConversionFlags=CCnvCharacterSetConverter::EInputConversionFlagMustEndInDefaultCharacterSet;
sl@0:     TInt unconvert = CnvUtilities::ConvertFromUnicode(aDefaultEndiannessOfForeignCharacters, aReplacementForUnconvertibleUnicodeCharacters, aForeign, aUnicode, aIndicesOfUnconvertibleCharacters, 
sl@0:         characterSets.Array(),notUsed,inputConversionFlags);
sl@0: 
sl@0:     characterSets.Close();
sl@0:     return unconvert;
sl@0: 	}
sl@0: 
sl@0: TInt CISO2022JP1ConverterImpl::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 CISO2022JP1ConverterImpl::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: CISO2022JP1ConverterImpl* CISO2022JP1ConverterImpl::NewL()
sl@0: 	{
sl@0: 	CISO2022JP1ConverterImpl* self = new(ELeave) CISO2022JP1ConverterImpl();
sl@0: 	CleanupStack::PushL(self);
sl@0: 	self->ConstructL();
sl@0: 	CleanupStack::Pop(self);
sl@0: 	return self;
sl@0: 	}
sl@0: 
sl@0: CISO2022JP1ConverterImpl::~CISO2022JP1ConverterImpl()
sl@0: 	{
sl@0: 	FeatureManager::UnInitializeLib();
sl@0: 	}
sl@0: 
sl@0: CISO2022JP1ConverterImpl::CISO2022JP1ConverterImpl()
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: void CISO2022JP1ConverterImpl::ConstructL()
sl@0: 	{
sl@0: 	FeatureManager::InitializeLibL();
sl@0: 	}
sl@0: 
sl@0: const TImplementationProxy ImplementationTable[] = 
sl@0: 	{
sl@0: #ifdef S60_TEST
sl@0:     IMPLEMENTATION_PROXY_ENTRY(0x01000009,  CISO2022JP1ConverterImpl::NewL)
sl@0: #else
sl@0: 	IMPLEMENTATION_PROXY_ENTRY(0x100066A3,	CISO2022JP1ConverterImpl::NewL)
sl@0: #endif	
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: