1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/textandloc/charconvfw/charconvplugins/src/plugins/jis.cpp Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,185 @@
1.4 +/*
1.5 +* Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).
1.6 +* All rights reserved.
1.7 +* This component and the accompanying materials are made available
1.8 +* under the terms of "Eclipse Public License v1.0"
1.9 +* which accompanies this distribution, and is available
1.10 +* at the URL "http://www.eclipse.org/legal/epl-v10.html".
1.11 +*
1.12 +* Initial Contributors:
1.13 +* Nokia Corporation - initial contribution.
1.14 +*
1.15 +* Contributors:
1.16 +*
1.17 +* Description:
1.18 +*
1.19 +*/
1.20 +
1.21 +
1.22 +#include <e32std.h>
1.23 +#include <charconv.h>
1.24 +#include <convutils.h>
1.25 +#include "jisbase.h"
1.26 +#include "jisx0201.h"
1.27 +#include "jisx0208.h"
1.28 +#include "jisx0212.h"
1.29 +#include <ecom/implementationproxy.h>
1.30 +#include <charactersetconverter.h>
1.31 +#include "featmgr/featmgr.h"
1.32 +
1.33 +_LIT8(KLit8EscapeSequenceForJisRoman, "\x1b\x28\x4a");
1.34 +_LIT8(KLit8EscapeSequenceForAscii, "\x1b\x28\x42");
1.35 +_LIT8(KLit8EscapeSequenceForHalfWidthKatakana, "\x1b\x28\x49");
1.36 +_LIT8(KLit8EscapeSequenceForJisX0208_1983, "\x1b\x24\x42");
1.37 +_LIT8(KLit8EscapeSequenceForJisX0212_1990, "\x1b\x24\x28\x44");
1.38 +_LIT8(KLit8JisReplacementForUnconvertibleUnicodeCharacters, "\x1b\x24\x42\x21\x29"); // fullwidth question mark
1.39 +
1.40 +class CJISConverterImpl : public CCharacterSetConverterPluginInterface
1.41 + {
1.42 +
1.43 +public:
1.44 + virtual const TDesC8& ReplacementForUnconvertibleUnicodeCharacters();
1.45 +
1.46 + virtual TInt ConvertFromUnicode(
1.47 + CCnvCharacterSetConverter::TEndianness aDefaultEndiannessOfForeignCharacters,
1.48 + const TDesC8& aReplacementForUnconvertibleUnicodeCharacters,
1.49 + TDes8& aForeign,
1.50 + const TDesC16& aUnicode,
1.51 + CCnvCharacterSetConverter::TArrayOfAscendingIndices& aIndicesOfUnconvertibleCharacters);
1.52 +
1.53 + virtual TInt ConvertToUnicode(
1.54 + CCnvCharacterSetConverter::TEndianness aDefaultEndiannessOfForeignCharacters,
1.55 + TDes16& aUnicode,
1.56 + const TDesC8& aForeign,
1.57 + TInt& aState,
1.58 + TInt& aNumberOfUnconvertibleCharacters,
1.59 + TInt& aIndexOfFirstByteOfFirstUnconvertibleCharacter);
1.60 +
1.61 + virtual TBool IsInThisCharacterSetL(
1.62 + TBool& aSetToTrue,
1.63 + TInt& aConfidenceLevel,
1.64 + const TDesC8& aSample);
1.65 +
1.66 + static CJISConverterImpl* NewL();
1.67 + virtual ~CJISConverterImpl();
1.68 +
1.69 +private:
1.70 + CJISConverterImpl();
1.71 + void ConstructL();
1.72 +
1.73 + };
1.74 +
1.75 +
1.76 +
1.77 +const TDesC8& CJISConverterImpl::ReplacementForUnconvertibleUnicodeCharacters()
1.78 + {
1.79 + return KLit8JisReplacementForUnconvertibleUnicodeCharacters;
1.80 + }
1.81 +
1.82 +LOCAL_C void ConvertFromJisRomanToJisInPlace(TInt aStartPositionInDescriptor, TDes8& aDescriptor, TInt& aNumberOfCharactersThatDroppedOut)
1.83 + {
1.84 + CnvUtilities::ConvertFromIntermediateBufferInPlace(aStartPositionInDescriptor, aDescriptor, aNumberOfCharactersThatDroppedOut, KLit8EscapeSequenceForJisRoman, 1);
1.85 + }
1.86 +
1.87 +LOCAL_C void ConvertFromAsciiToJisInPlace(TInt aStartPositionInDescriptor, TDes8& aDescriptor, TInt& aNumberOfCharactersThatDroppedOut)
1.88 + {
1.89 + CnvUtilities::ConvertFromIntermediateBufferInPlace(aStartPositionInDescriptor, aDescriptor, aNumberOfCharactersThatDroppedOut, KLit8EscapeSequenceForAscii, 1);
1.90 + }
1.91 +
1.92 +LOCAL_C void ConvertFromHalfWidthKatakanaToJisInPlace(TInt aStartPositionInDescriptor, TDes8& aDescriptor, TInt& aNumberOfCharactersThatDroppedOut)
1.93 + {
1.94 + CnvUtilities::ConvertFromIntermediateBufferInPlace(aStartPositionInDescriptor, aDescriptor, aNumberOfCharactersThatDroppedOut, KLit8EscapeSequenceForHalfWidthKatakana, 1);
1.95 + }
1.96 +
1.97 +LOCAL_C void ConvertFromJisX0208ToJisInPlace(TInt aStartPositionInDescriptor, TDes8& aDescriptor, TInt& aNumberOfCharactersThatDroppedOut)
1.98 + {
1.99 + CnvUtilities::ConvertFromIntermediateBufferInPlace(aStartPositionInDescriptor, aDescriptor, aNumberOfCharactersThatDroppedOut, KLit8EscapeSequenceForJisX0208_1983, 2);
1.100 + }
1.101 +
1.102 +LOCAL_C void ConvertFromJisX0212ToJisInPlace(TInt aStartPositionInDescriptor, TDes8& aDescriptor, TInt& aNumberOfCharactersThatDroppedOut)
1.103 + {
1.104 + CnvUtilities::ConvertFromIntermediateBufferInPlace(aStartPositionInDescriptor, aDescriptor, aNumberOfCharactersThatDroppedOut, KLit8EscapeSequenceForJisX0212_1990, 2);
1.105 + }
1.106 +
1.107 +TInt CJISConverterImpl::ConvertFromUnicode(
1.108 + CCnvCharacterSetConverter::TEndianness aDefaultEndiannessOfForeignCharacters,
1.109 + const TDesC8& aReplacementForUnconvertibleUnicodeCharacters,
1.110 + TDes8& aForeign,
1.111 + const TDesC16& aUnicode,
1.112 + CCnvCharacterSetConverter::TArrayOfAscendingIndices& aIndicesOfUnconvertibleCharacters)
1.113 + {
1.114 + TFixedArray<CnvUtilities::SCharacterSet, 5> characterSets;
1.115 + characterSets[0].iConversionData=&CnvJisRoman::ConversionData();
1.116 + characterSets[0].iConvertFromIntermediateBufferInPlace=ConvertFromJisRomanToJisInPlace;
1.117 + characterSets[0].iEscapeSequence=&KLit8EscapeSequenceForJisRoman;
1.118 + characterSets[1].iConversionData=&CCnvCharacterSetConverter::AsciiConversionData();
1.119 + characterSets[1].iConvertFromIntermediateBufferInPlace=ConvertFromAsciiToJisInPlace;
1.120 + characterSets[1].iEscapeSequence=&KLit8EscapeSequenceForAscii;
1.121 + characterSets[2].iConversionData=&CnvJisBase::HalfWidthKatakana7ConversionData();
1.122 + characterSets[2].iConvertFromIntermediateBufferInPlace=ConvertFromHalfWidthKatakanaToJisInPlace;
1.123 + characterSets[2].iEscapeSequence=&KLit8EscapeSequenceForHalfWidthKatakana;
1.124 + characterSets[3].iConversionData=&CnvJisX0208::ConversionData();
1.125 + characterSets[3].iConvertFromIntermediateBufferInPlace=ConvertFromJisX0208ToJisInPlace;
1.126 + characterSets[3].iEscapeSequence=&KLit8EscapeSequenceForJisX0208_1983;
1.127 + characterSets[4].iConversionData=&CnvJisX0212::ConversionData();
1.128 + characterSets[4].iConvertFromIntermediateBufferInPlace=ConvertFromJisX0212ToJisInPlace;
1.129 + characterSets[4].iEscapeSequence=&KLit8EscapeSequenceForJisX0212_1990;
1.130 + return CnvUtilities::ConvertFromUnicode(aDefaultEndiannessOfForeignCharacters, aReplacementForUnconvertibleUnicodeCharacters, aForeign, aUnicode, aIndicesOfUnconvertibleCharacters, characterSets.Array());
1.131 + }
1.132 +
1.133 +TInt CJISConverterImpl::ConvertToUnicode(
1.134 + CCnvCharacterSetConverter::TEndianness aDefaultEndiannessOfForeignCharacters,
1.135 + TDes16& aUnicode,
1.136 + const TDesC8& aForeign,
1.137 + TInt& aState,
1.138 + TInt& aNumberOfUnconvertibleCharacters,
1.139 + TInt& aIndexOfFirstByteOfFirstUnconvertibleCharacter)
1.140 + {
1.141 + return CnvJisBase::ConvertToUnicode(aDefaultEndiannessOfForeignCharacters, aUnicode, aForeign, aState, aNumberOfUnconvertibleCharacters, aIndexOfFirstByteOfFirstUnconvertibleCharacter);
1.142 + }
1.143 +
1.144 +TBool CJISConverterImpl::IsInThisCharacterSetL(
1.145 + TBool& aSetToTrue,
1.146 + TInt& aConfidenceLevel,
1.147 + const TDesC8& aSample)
1.148 + {
1.149 + aSetToTrue=ETrue;
1.150 + CnvJisBase::IsCharacterJISBased(aConfidenceLevel, aSample);
1.151 + return ETrue;
1.152 + }
1.153 +
1.154 +CJISConverterImpl* CJISConverterImpl::NewL()
1.155 + {
1.156 + CJISConverterImpl* self = new(ELeave) CJISConverterImpl();
1.157 + CleanupStack::PushL(self);
1.158 + self->ConstructL();
1.159 + CleanupStack::Pop(self);
1.160 + return self;
1.161 + }
1.162 +
1.163 +CJISConverterImpl::~CJISConverterImpl()
1.164 + {
1.165 + FeatureManager::UnInitializeLib();
1.166 + }
1.167 +
1.168 +CJISConverterImpl::CJISConverterImpl()
1.169 + {
1.170 + }
1.171 +
1.172 +void CJISConverterImpl::ConstructL()
1.173 + {
1.174 + FeatureManager::InitializeLibL();
1.175 + }
1.176 +
1.177 +const TImplementationProxy ImplementationTable[] =
1.178 + {
1.179 + IMPLEMENTATION_PROXY_ENTRY(0x10006066, CJISConverterImpl::NewL)
1.180 + };
1.181 +
1.182 +EXPORT_C const TImplementationProxy* ImplementationGroupProxy(TInt& aTableCount)
1.183 + {
1.184 + aTableCount = sizeof(ImplementationTable) / sizeof(TImplementationProxy);
1.185 +
1.186 + return ImplementationTable;
1.187 + }
1.188 +