1 /*

     2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:       

    15 *

    16 */

    17 

    18 #include "PictographObserver.h"

    19 #include "featmgr/featmgr.h"

    20 

    21 #include <e32std.h>

    22 #include <charconv.h>

    23 #include <convutils.h>

    24 #include "jisbase.h"

    25 #include "jisx0201.h"

    26 #include "jisx0208.h"

    27 #include "jisx0212.h"

    28 #include <ecom/implementationproxy.h>

    29 #include "charactersetconverter.h"

    30 

    31 _LIT8(KLit8EscapeSequenceForJisRoman, "\x1b\x28\x4a");

    32 _LIT8(KLit8EscapeSequenceForAscii, "\x1b\x28\x42");

    33 //_LIT8(KLit8EscapeSequenceForJisC6226_1978, "\x1b\x24\x40");

    34 _LIT8(KLit8EscapeSequenceForJisX0208_1983, "\x1b\x24\x42");

    35 _LIT8(KLit8EscapeSequenceForJisX0212_1990, "\x1b\x24\x28\x44");

    36 //_LIT8(KLit8EscapeSequenceForHalfWidthKatakana, "\x1b\x28\x49");

    37 _LIT8(KLit8Iso2022Jp1ReplacementForUnconvertibleUnicodeCharacters, "\x1b\x24\x42\x21\x29"); // fullwidth question mark

    38 

    39 

    40 class CISO2022JP1ConverterImpl : public CCharacterSetConverterPluginInterface

    41 	{

    42 

    43 public:

    44 	virtual const TDesC8& ReplacementForUnconvertibleUnicodeCharacters();

    45 

    46 	virtual TInt ConvertFromUnicode(

    47 		CCnvCharacterSetConverter::TEndianness aDefaultEndiannessOfForeignCharacters, 

    48 		const TDesC8& aReplacementForUnconvertibleUnicodeCharacters, 

    49 		TDes8& aForeign, 

    50 		const TDesC16& aUnicode, 

    51 		CCnvCharacterSetConverter::TArrayOfAscendingIndices& aIndicesOfUnconvertibleCharacters);

    52 

    53 	virtual TInt ConvertToUnicode(

    54 		CCnvCharacterSetConverter::TEndianness aDefaultEndiannessOfForeignCharacters, 

    55 		TDes16& aUnicode, 

    56 		const TDesC8& aForeign, 

    57 		TInt& aState, 

    58 		TInt& aNumberOfUnconvertibleCharacters, 

    59 		TInt& aIndexOfFirstByteOfFirstUnconvertibleCharacter);

    60 

    61 	virtual TBool IsInThisCharacterSetL(

    62 		TBool& aSetToTrue, 

    63 		TInt& aConfidenceLevel, 

    64 		const TDesC8& aSample);

    65 

    66 	static CISO2022JP1ConverterImpl* NewL();

    67 	virtual ~CISO2022JP1ConverterImpl();

    68 

    69 private:

    70 	CISO2022JP1ConverterImpl();

    71 	void ConstructL();

    72 

    73 	};

    74 

    75 

    76 const TDesC8& CISO2022JP1ConverterImpl::ReplacementForUnconvertibleUnicodeCharacters()

    77 	{

    78 	return KLit8Iso2022Jp1ReplacementForUnconvertibleUnicodeCharacters;

    79 	}

    80 

    81 LOCAL_C void ConvertFromJisRomanToJisInPlace(TInt aStartPositionInDescriptor, TDes8& aDescriptor, TInt& aNumberOfCharactersThatDroppedOut)

    82 	{

    83 	CnvUtilities::ConvertFromIntermediateBufferInPlace(aStartPositionInDescriptor, aDescriptor, aNumberOfCharactersThatDroppedOut, KLit8EscapeSequenceForJisRoman, 1);

    84 	}

    85 

    86 LOCAL_C void ConvertFromAsciiToJisInPlace(TInt aStartPositionInDescriptor, TDes8& aDescriptor, TInt& aNumberOfCharactersThatDroppedOut)

    87 	{

    88 	CnvUtilities::ConvertFromIntermediateBufferInPlace(aStartPositionInDescriptor, aDescriptor, aNumberOfCharactersThatDroppedOut, KLit8EscapeSequenceForAscii, 1);

    89 	}

    90 

    91 LOCAL_C void ConvertFromJisX0208ToJisInPlace(TInt aStartPositionInDescriptor, TDes8& aDescriptor, TInt& aNumberOfCharactersThatDroppedOut)

    92 	{

    93 	CnvUtilities::ConvertFromIntermediateBufferInPlace(aStartPositionInDescriptor, aDescriptor, aNumberOfCharactersThatDroppedOut, KLit8EscapeSequenceForJisX0208_1983, 2);

    94 	}

    95 

    96 LOCAL_C void ConvertFromJisX0212ToJisInPlace(TInt aStartPositionInDescriptor, TDes8& aDescriptor, TInt& aNumberOfCharactersThatDroppedOut)

    97 	{

    98 	CnvUtilities::ConvertFromIntermediateBufferInPlace(aStartPositionInDescriptor, aDescriptor, aNumberOfCharactersThatDroppedOut, KLit8EscapeSequenceForJisX0212_1990, 2);

    99 	}

   100 

   101 TInt CISO2022JP1ConverterImpl::ConvertFromUnicode(

   102 		CCnvCharacterSetConverter::TEndianness aDefaultEndiannessOfForeignCharacters, 

   103 		const TDesC8& aReplacementForUnconvertibleUnicodeCharacters, 

   104 		TDes8& aForeign, 

   105 		const TDesC16& aUnicode, 

   106 		CCnvCharacterSetConverter::TArrayOfAscendingIndices& aIndicesOfUnconvertibleCharacters)

   107 	{

   108     RArray<CnvUtilities::SCharacterSet> characterSets;

   109     if ( FeatureManager::FeatureSupported(KFeatureIdJapanesePicto) )

   110         {        

   111         CnvUtilities::SCharacterSet characterSet;

   112         characterSet.iConversionData=&CnvJisRoman::ConversionData();

   113         characterSet.iConvertFromIntermediateBufferInPlace=ConvertFromJisRomanToJisInPlace;

   114         characterSet.iEscapeSequence=&KLit8EscapeSequenceForJisRoman;

   115         characterSets.Append(characterSet);

   116         characterSet.iConversionData=&CCnvCharacterSetConverter::AsciiConversionData();

   117         characterSet.iConvertFromIntermediateBufferInPlace=ConvertFromAsciiToJisInPlace;

   118         characterSet.iEscapeSequence=&KLit8EscapeSequenceForAscii;

   119         characterSets.Append(characterSet);

   120         characterSet.iConversionData=&CnvJisX0208::ConversionData();

   121         characterSet.iConvertFromIntermediateBufferInPlace=ConvertFromJisX0208ToJisInPlace;

   122         characterSet.iEscapeSequence=&KLit8EscapeSequenceForJisX0208_1983;

   123         characterSets.Append(characterSet);

   124         characterSet.iConversionData=&CnvJisX0212::ConversionData();

   125         characterSet.iConvertFromIntermediateBufferInPlace=ConvertFromJisX0212ToJisInPlace;

   126         characterSet.iEscapeSequence=&KLit8EscapeSequenceForJisX0212_1990;

   127         characterSets.Append(characterSet);

   128 

   129         SetCharacterSetsForPictograph(characterSets);

   130         }

   131     else

   132         {        

   133         CnvUtilities::SCharacterSet characterSet;

   134 	    characterSet.iConversionData=&CnvJisRoman::ConversionData();

   135 	    characterSet.iConvertFromIntermediateBufferInPlace=ConvertFromJisRomanToJisInPlace;

   136 	    characterSet.iEscapeSequence=&KLit8EscapeSequenceForJisRoman;

   137         characterSets.Append(characterSet);

   138     	characterSet.iConversionData=&CCnvCharacterSetConverter::AsciiConversionData();

   139     	characterSet.iConvertFromIntermediateBufferInPlace=ConvertFromAsciiToJisInPlace;

   140     	characterSet.iEscapeSequence=&KLit8EscapeSequenceForAscii;

   141         characterSets.Append(characterSet);

   142     	characterSet.iConversionData=&CnvJisX0208::ConversionData();

   143     	characterSet.iConvertFromIntermediateBufferInPlace=ConvertFromJisX0208ToJisInPlace;

   144     	characterSet.iEscapeSequence=&KLit8EscapeSequenceForJisX0208_1983;

   145         characterSets.Append(characterSet);

   146     	characterSet.iConversionData=&CnvJisX0212::ConversionData();

   147     	characterSet.iConvertFromIntermediateBufferInPlace=ConvertFromJisX0212ToJisInPlace;

   148     	characterSet.iEscapeSequence=&KLit8EscapeSequenceForJisX0212_1990;

   149         characterSets.Append(characterSet);

   150         }

   151 	TUint notUsed;

   152 	TUint inputConversionFlags=CCnvCharacterSetConverter::EInputConversionFlagMustEndInDefaultCharacterSet;

   153     TInt unconvert = CnvUtilities::ConvertFromUnicode(aDefaultEndiannessOfForeignCharacters, aReplacementForUnconvertibleUnicodeCharacters, aForeign, aUnicode, aIndicesOfUnconvertibleCharacters, 

   154         characterSets.Array(),notUsed,inputConversionFlags);

   155 

   156     characterSets.Close();

   157     return unconvert;

   158 	}

   159 

   160 TInt CISO2022JP1ConverterImpl::ConvertToUnicode(

   161 		CCnvCharacterSetConverter::TEndianness aDefaultEndiannessOfForeignCharacters, 

   162 		TDes16& aUnicode, 

   163 		const TDesC8& aForeign, 

   164 		TInt& aState, 

   165 		TInt& aNumberOfUnconvertibleCharacters, 

   166 		TInt& aIndexOfFirstByteOfFirstUnconvertibleCharacter)

   167 	{

   168 	return CnvJisBase::ConvertToUnicode(aDefaultEndiannessOfForeignCharacters, aUnicode, aForeign, aState, aNumberOfUnconvertibleCharacters, aIndexOfFirstByteOfFirstUnconvertibleCharacter);

   169 	}

   170 

   171 TBool CISO2022JP1ConverterImpl::IsInThisCharacterSetL(

   172 		TBool& aSetToTrue, 

   173 		TInt& aConfidenceLevel, 

   174 		const TDesC8& aSample)

   175 	{

   176 	aSetToTrue=ETrue;

   177 	CnvJisBase::IsCharacterJISBased(aConfidenceLevel, aSample);

   178 	return ETrue;

   179 	}

   180 

   181 CISO2022JP1ConverterImpl* CISO2022JP1ConverterImpl::NewL()

   182 	{

   183 	CISO2022JP1ConverterImpl* self = new(ELeave) CISO2022JP1ConverterImpl();

   184 	CleanupStack::PushL(self);

   185 	self->ConstructL();

   186 	CleanupStack::Pop(self);

   187 	return self;

   188 	}

   189 

   190 CISO2022JP1ConverterImpl::~CISO2022JP1ConverterImpl()

   191 	{

   192 	FeatureManager::UnInitializeLib();

   193 	}

   194 

   195 CISO2022JP1ConverterImpl::CISO2022JP1ConverterImpl()

   196 	{

   197 	}

   198 

   199 void CISO2022JP1ConverterImpl::ConstructL()

   200 	{

   201 	FeatureManager::InitializeLibL();

   202 	}

   203 

   204 const TImplementationProxy ImplementationTable[] = 

   205 	{

   206 		IMPLEMENTATION_PROXY_ENTRY(0x100066A3,	CISO2022JP1ConverterImpl::NewL)

   207 	};

   208 

   209 EXPORT_C const TImplementationProxy* ImplementationGroupProxy(TInt& aTableCount)

   210 	{

   211 	aTableCount = sizeof(ImplementationTable) / sizeof(TImplementationProxy);

   212 

   213 	return ImplementationTable;

   214 	}

   215