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1 /* |
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2 * Copyright (c) 2022 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: |
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15 * |
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16 */ |
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17 |
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18 |
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19 |
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20 |
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21 |
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22 |
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23 |
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24 #include <bldvariant.hrh> |
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25 #include "PictographObserver.h" |
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26 #include <featmgr.h> |
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27 |
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28 #include <e32std.h> |
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29 #include <charconv.h> |
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30 #include <convutils.h> |
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31 #include <JISBASE.H> |
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32 #include <jisx0201.h> |
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33 #include <jisx0208.h> |
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34 #include <jisx0212.h> |
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35 #include <ecom/implementationproxy.h> |
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36 #include "charactersetconverter.h" |
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37 |
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38 _LIT8(KLit8EscapeSequenceForJisRoman, "\x1b\x28\x4a"); |
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39 _LIT8(KLit8EscapeSequenceForAscii, "\x1b\x28\x42"); |
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40 _LIT8(KLit8EscapeSequenceForJisC6226_1978, "\x1b\x24\x40"); |
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41 _LIT8(KLit8EscapeSequenceForJisX0208_1983, "\x1b\x24\x42"); |
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42 _LIT8(KLit8EscapeSequenceForJisX0212_1990, "\x1b\x24\x28\x44"); |
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43 _LIT8(KLit8EscapeSequenceForHalfWidthKatakana, "\x1b\x28\x49"); |
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44 _LIT8(KLit8Iso2022Jp1ReplacementForUnconvertibleUnicodeCharacters, "\x1b\x24\x42\x21\x29"); // fullwidth question mark |
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45 |
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46 |
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47 class CISO2022JP1ConverterImpl : public CCharacterSetConverterPluginInterface |
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48 { |
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49 |
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50 public: |
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51 virtual const TDesC8& ReplacementForUnconvertibleUnicodeCharacters(); |
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52 |
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53 virtual TInt ConvertFromUnicode( |
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54 CCnvCharacterSetConverter::TEndianness aDefaultEndiannessOfForeignCharacters, |
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55 const TDesC8& aReplacementForUnconvertibleUnicodeCharacters, |
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56 TDes8& aForeign, |
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57 const TDesC16& aUnicode, |
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58 CCnvCharacterSetConverter::TArrayOfAscendingIndices& aIndicesOfUnconvertibleCharacters); |
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59 |
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60 virtual TInt ConvertToUnicode( |
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61 CCnvCharacterSetConverter::TEndianness aDefaultEndiannessOfForeignCharacters, |
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62 TDes16& aUnicode, |
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63 const TDesC8& aForeign, |
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64 TInt& aState, |
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65 TInt& aNumberOfUnconvertibleCharacters, |
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66 TInt& aIndexOfFirstByteOfFirstUnconvertibleCharacter); |
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67 |
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68 virtual TBool IsInThisCharacterSetL( |
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69 TBool& aSetToTrue, |
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70 TInt& aConfidenceLevel, |
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71 const TDesC8& aSample); |
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72 |
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73 static CISO2022JP1ConverterImpl* NewL(); |
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74 virtual ~CISO2022JP1ConverterImpl(); |
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75 |
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76 private: |
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77 CISO2022JP1ConverterImpl(); |
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78 void ConstructL(); |
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79 |
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80 }; |
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81 |
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82 |
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83 const TDesC8& CISO2022JP1ConverterImpl::ReplacementForUnconvertibleUnicodeCharacters() |
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84 { |
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85 return KLit8Iso2022Jp1ReplacementForUnconvertibleUnicodeCharacters; |
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86 } |
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87 |
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88 LOCAL_C void ConvertFromJisRomanToJisInPlace(TInt aStartPositionInDescriptor, TDes8& aDescriptor, TInt& aNumberOfCharactersThatDroppedOut) |
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89 { |
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90 CnvUtilities::ConvertFromIntermediateBufferInPlace(aStartPositionInDescriptor, aDescriptor, aNumberOfCharactersThatDroppedOut, KLit8EscapeSequenceForJisRoman, 1); |
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91 } |
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92 |
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93 LOCAL_C void ConvertFromAsciiToJisInPlace(TInt aStartPositionInDescriptor, TDes8& aDescriptor, TInt& aNumberOfCharactersThatDroppedOut) |
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94 { |
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95 CnvUtilities::ConvertFromIntermediateBufferInPlace(aStartPositionInDescriptor, aDescriptor, aNumberOfCharactersThatDroppedOut, KLit8EscapeSequenceForAscii, 1); |
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96 } |
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97 |
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98 LOCAL_C void ConvertFromJisX0208ToJisInPlace(TInt aStartPositionInDescriptor, TDes8& aDescriptor, TInt& aNumberOfCharactersThatDroppedOut) |
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99 { |
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100 CnvUtilities::ConvertFromIntermediateBufferInPlace(aStartPositionInDescriptor, aDescriptor, aNumberOfCharactersThatDroppedOut, KLit8EscapeSequenceForJisX0208_1983, 2); |
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101 } |
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102 |
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103 LOCAL_C void ConvertFromJisX0212ToJisInPlace(TInt aStartPositionInDescriptor, TDes8& aDescriptor, TInt& aNumberOfCharactersThatDroppedOut) |
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104 { |
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105 CnvUtilities::ConvertFromIntermediateBufferInPlace(aStartPositionInDescriptor, aDescriptor, aNumberOfCharactersThatDroppedOut, KLit8EscapeSequenceForJisX0212_1990, 2); |
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106 } |
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107 |
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108 TInt CISO2022JP1ConverterImpl::ConvertFromUnicode( |
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109 CCnvCharacterSetConverter::TEndianness aDefaultEndiannessOfForeignCharacters, |
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110 const TDesC8& aReplacementForUnconvertibleUnicodeCharacters, |
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111 TDes8& aForeign, |
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112 const TDesC16& aUnicode, |
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113 CCnvCharacterSetConverter::TArrayOfAscendingIndices& aIndicesOfUnconvertibleCharacters) |
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114 { |
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115 RArray<CnvUtilities::SCharacterSet> characterSets; |
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116 if ( FeatureManager::FeatureSupported(KFeatureIdJapanesePicto) ) |
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117 { |
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118 CnvUtilities::SCharacterSet characterSet; |
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119 characterSet.iConversionData=&CnvJisRoman::ConversionData(); |
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120 characterSet.iConvertFromIntermediateBufferInPlace=ConvertFromJisRomanToJisInPlace; |
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121 characterSet.iEscapeSequence=&KLit8EscapeSequenceForJisRoman; |
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122 characterSets.Append(characterSet); |
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123 characterSet.iConversionData=&CCnvCharacterSetConverter::AsciiConversionData(); |
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124 characterSet.iConvertFromIntermediateBufferInPlace=ConvertFromAsciiToJisInPlace; |
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125 characterSet.iEscapeSequence=&KLit8EscapeSequenceForAscii; |
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126 characterSets.Append(characterSet); |
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127 characterSet.iConversionData=&CnvJisX0208::ConversionData(); |
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128 characterSet.iConvertFromIntermediateBufferInPlace=ConvertFromJisX0208ToJisInPlace; |
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129 characterSet.iEscapeSequence=&KLit8EscapeSequenceForJisX0208_1983; |
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130 characterSets.Append(characterSet); |
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131 characterSet.iConversionData=&CnvJisX0212::ConversionData(); |
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132 characterSet.iConvertFromIntermediateBufferInPlace=ConvertFromJisX0212ToJisInPlace; |
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133 characterSet.iEscapeSequence=&KLit8EscapeSequenceForJisX0212_1990; |
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134 characterSets.Append(characterSet); |
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135 |
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136 SetCharacterSetsForPictograph(characterSets); |
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137 } |
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138 else |
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139 { |
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140 CnvUtilities::SCharacterSet characterSet; |
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141 characterSet.iConversionData=&CnvJisRoman::ConversionData(); |
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142 characterSet.iConvertFromIntermediateBufferInPlace=ConvertFromJisRomanToJisInPlace; |
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143 characterSet.iEscapeSequence=&KLit8EscapeSequenceForJisRoman; |
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144 characterSets.Append(characterSet); |
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145 characterSet.iConversionData=&CCnvCharacterSetConverter::AsciiConversionData(); |
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146 characterSet.iConvertFromIntermediateBufferInPlace=ConvertFromAsciiToJisInPlace; |
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147 characterSet.iEscapeSequence=&KLit8EscapeSequenceForAscii; |
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148 characterSets.Append(characterSet); |
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149 characterSet.iConversionData=&CnvJisX0208::ConversionData(); |
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150 characterSet.iConvertFromIntermediateBufferInPlace=ConvertFromJisX0208ToJisInPlace; |
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151 characterSet.iEscapeSequence=&KLit8EscapeSequenceForJisX0208_1983; |
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152 characterSets.Append(characterSet); |
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153 characterSet.iConversionData=&CnvJisX0212::ConversionData(); |
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154 characterSet.iConvertFromIntermediateBufferInPlace=ConvertFromJisX0212ToJisInPlace; |
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155 characterSet.iEscapeSequence=&KLit8EscapeSequenceForJisX0212_1990; |
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156 characterSets.Append(characterSet); |
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157 } |
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158 TUint notUsed; |
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159 TUint inputConversionFlags=CCnvCharacterSetConverter::EInputConversionFlagMustEndInDefaultCharacterSet; |
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160 TInt unconvert = CnvUtilities::ConvertFromUnicode(aDefaultEndiannessOfForeignCharacters, aReplacementForUnconvertibleUnicodeCharacters, aForeign, aUnicode, aIndicesOfUnconvertibleCharacters, |
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161 characterSets.Array(),notUsed,inputConversionFlags); |
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162 |
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163 characterSets.Close(); |
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164 return unconvert; |
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165 } |
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166 |
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167 TInt CISO2022JP1ConverterImpl::ConvertToUnicode( |
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168 CCnvCharacterSetConverter::TEndianness aDefaultEndiannessOfForeignCharacters, |
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169 TDes16& aUnicode, |
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170 const TDesC8& aForeign, |
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171 TInt& aState, |
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172 TInt& aNumberOfUnconvertibleCharacters, |
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173 TInt& aIndexOfFirstByteOfFirstUnconvertibleCharacter) |
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174 { |
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175 return CnvJisBase::ConvertToUnicode(aDefaultEndiannessOfForeignCharacters, aUnicode, aForeign, aState, aNumberOfUnconvertibleCharacters, aIndexOfFirstByteOfFirstUnconvertibleCharacter); |
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176 } |
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177 |
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178 TBool CISO2022JP1ConverterImpl::IsInThisCharacterSetL( |
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179 TBool& aSetToTrue, |
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180 TInt& aConfidenceLevel, |
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181 const TDesC8& aSample) |
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182 { |
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183 aSetToTrue=ETrue; |
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184 CnvJisBase::IsCharacterJISBased(aConfidenceLevel, aSample); |
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185 return ETrue; |
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186 } |
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187 |
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188 CISO2022JP1ConverterImpl* CISO2022JP1ConverterImpl::NewL() |
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189 { |
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190 CISO2022JP1ConverterImpl* self = new(ELeave) CISO2022JP1ConverterImpl(); |
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191 CleanupStack::PushL(self); |
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192 self->ConstructL(); |
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193 CleanupStack::Pop(self); |
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194 return self; |
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195 } |
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196 |
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197 CISO2022JP1ConverterImpl::~CISO2022JP1ConverterImpl() |
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198 { |
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199 FeatureManager::UnInitializeLib(); |
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200 } |
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201 |
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202 CISO2022JP1ConverterImpl::CISO2022JP1ConverterImpl() |
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203 { |
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204 } |
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205 |
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206 void CISO2022JP1ConverterImpl::ConstructL() |
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207 { |
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208 FeatureManager::InitializeLibL(); |
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209 } |
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210 |
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211 const TImplementationProxy ImplementationTable[] = |
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212 { |
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213 IMPLEMENTATION_PROXY_ENTRY(0x100066A3, CISO2022JP1ConverterImpl::NewL) |
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214 }; |
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215 |
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216 EXPORT_C const TImplementationProxy* ImplementationGroupProxy(TInt& aTableCount) |
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217 { |
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218 aTableCount = sizeof(ImplementationTable) / sizeof(TImplementationProxy); |
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219 |
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220 return ImplementationTable; |
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221 } |
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222 |