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1 /* |
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2 * Copyright (c) 2000-2009 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 #include <e32std.h> |
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20 #include <charconv.h> |
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21 #include <convutils.h> |
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22 #include "jisbase.h" |
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23 #include "jisx0201.h" |
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24 #include "jisx0208.h" |
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25 #include <ecom/implementationproxy.h> |
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26 #include <charactersetconverter.h> |
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27 |
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28 _LIT8(KLit8EscapeSequenceForJisRoman, "\x1b\x28\x4a"); |
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29 _LIT8(KLit8EscapeSequenceForAscii, "\x1b\x28\x42"); |
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30 _LIT8(KLit8EscapeSequenceForJisX0208_1983, "\x1b\x24\x42"); |
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31 _LIT8(KLit8Iso2022JpReplacementForUnconvertibleUnicodeCharacters, "\x1b\x24\x42\x21\x29"); // fullwidth question mark |
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32 |
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33 |
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34 class CISO2022JPConverterImpl : public CCharacterSetConverterPluginInterface |
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35 { |
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36 |
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37 public: |
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38 virtual const TDesC8& ReplacementForUnconvertibleUnicodeCharacters(); |
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39 |
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40 virtual TInt ConvertFromUnicode( |
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41 CCnvCharacterSetConverter::TEndianness aDefaultEndiannessOfForeignCharacters, |
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42 const TDesC8& aReplacementForUnconvertibleUnicodeCharacters, |
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43 TDes8& aForeign, |
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44 const TDesC16& aUnicode, |
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45 CCnvCharacterSetConverter::TArrayOfAscendingIndices& aIndicesOfUnconvertibleCharacters); |
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46 |
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47 virtual TInt ConvertToUnicode( |
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48 CCnvCharacterSetConverter::TEndianness aDefaultEndiannessOfForeignCharacters, |
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49 TDes16& aUnicode, |
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50 const TDesC8& aForeign, |
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51 TInt& aState, |
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52 TInt& aNumberOfUnconvertibleCharacters, |
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53 TInt& aIndexOfFirstByteOfFirstUnconvertibleCharacter); |
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54 |
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55 virtual TBool IsInThisCharacterSetL( |
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56 TBool& aSetToTrue, |
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57 TInt& aConfidenceLevel, |
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58 const TDesC8& aSample); |
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59 |
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60 static CISO2022JPConverterImpl* NewL(); |
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61 virtual ~CISO2022JPConverterImpl(); |
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62 |
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63 private: |
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64 CISO2022JPConverterImpl(); |
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65 |
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66 }; |
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67 |
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68 |
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69 |
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70 const TDesC8& CISO2022JPConverterImpl::ReplacementForUnconvertibleUnicodeCharacters() |
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71 { |
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72 return KLit8Iso2022JpReplacementForUnconvertibleUnicodeCharacters; |
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73 } |
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74 |
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75 LOCAL_C void ConvertFromJisRomanToJisInPlace(TInt aStartPositionInDescriptor, TDes8& aDescriptor, TInt& aNumberOfCharactersThatDroppedOut) |
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76 { |
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77 CnvUtilities::ConvertFromIntermediateBufferInPlace(aStartPositionInDescriptor, aDescriptor, aNumberOfCharactersThatDroppedOut, KLit8EscapeSequenceForJisRoman, 1); |
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78 } |
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79 |
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80 LOCAL_C void ConvertFromAsciiToJisInPlace(TInt aStartPositionInDescriptor, TDes8& aDescriptor, TInt& aNumberOfCharactersThatDroppedOut) |
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81 { |
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82 CnvUtilities::ConvertFromIntermediateBufferInPlace(aStartPositionInDescriptor, aDescriptor, aNumberOfCharactersThatDroppedOut, KLit8EscapeSequenceForAscii, 1); |
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83 } |
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84 |
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85 LOCAL_C void ConvertFromJisX0208ToJisInPlace(TInt aStartPositionInDescriptor, TDes8& aDescriptor, TInt& aNumberOfCharactersThatDroppedOut) |
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86 { |
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87 CnvUtilities::ConvertFromIntermediateBufferInPlace(aStartPositionInDescriptor, aDescriptor, aNumberOfCharactersThatDroppedOut, KLit8EscapeSequenceForJisX0208_1983, 2); |
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88 } |
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89 |
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90 TInt CISO2022JPConverterImpl::ConvertFromUnicode( |
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91 CCnvCharacterSetConverter::TEndianness aDefaultEndiannessOfForeignCharacters, |
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92 const TDesC8& aReplacementForUnconvertibleUnicodeCharacters, |
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93 TDes8& aForeign, |
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94 const TDesC16& aUnicode, |
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95 CCnvCharacterSetConverter::TArrayOfAscendingIndices& aIndicesOfUnconvertibleCharacters) |
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96 { |
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97 TFixedArray<CnvUtilities::SCharacterSet, 3> characterSets; |
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98 characterSets[0].iConversionData=&CCnvCharacterSetConverter::AsciiConversionData(); |
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99 characterSets[0].iConvertFromIntermediateBufferInPlace=ConvertFromAsciiToJisInPlace; |
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100 characterSets[0].iEscapeSequence=&KLit8EscapeSequenceForAscii; |
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101 characterSets[1].iConversionData=&CnvJisRoman::ConversionData(); |
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102 characterSets[1].iConvertFromIntermediateBufferInPlace=ConvertFromJisRomanToJisInPlace; |
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103 characterSets[1].iEscapeSequence=&KLit8EscapeSequenceForJisRoman; |
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104 characterSets[2].iConversionData=&CnvJisX0208::ConversionData(); |
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105 characterSets[2].iConvertFromIntermediateBufferInPlace=ConvertFromJisX0208ToJisInPlace; |
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106 characterSets[2].iEscapeSequence=&KLit8EscapeSequenceForJisX0208_1983; |
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107 TUint notUsed; |
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108 TUint inputConversionFlags=CCnvCharacterSetConverter::EInputConversionFlagMustEndInDefaultCharacterSet | |
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109 CCnvCharacterSetConverter::EInputConversionFlagAssumeStartInDefaultCharacterSet; |
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110 return CnvUtilities::ConvertFromUnicode(aDefaultEndiannessOfForeignCharacters, aReplacementForUnconvertibleUnicodeCharacters, aForeign, aUnicode, aIndicesOfUnconvertibleCharacters, characterSets.Array(),notUsed,inputConversionFlags); |
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111 } |
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112 |
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113 TInt CISO2022JPConverterImpl::ConvertToUnicode( |
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114 CCnvCharacterSetConverter::TEndianness aDefaultEndiannessOfForeignCharacters, |
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115 TDes16& aUnicode, |
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116 const TDesC8& aForeign, |
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117 TInt& aState, |
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118 TInt& aNumberOfUnconvertibleCharacters, |
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119 TInt& aIndexOfFirstByteOfFirstUnconvertibleCharacter) |
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120 { |
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121 return CnvJisBase::ConvertToUnicode(aDefaultEndiannessOfForeignCharacters, aUnicode, aForeign, aState, aNumberOfUnconvertibleCharacters, aIndexOfFirstByteOfFirstUnconvertibleCharacter); |
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122 } |
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123 |
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124 TBool CISO2022JPConverterImpl::IsInThisCharacterSetL( |
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125 TBool& aSetToTrue, |
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126 TInt& aConfidenceLevel, |
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127 const TDesC8& aSample) |
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128 { |
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129 aSetToTrue=ETrue; |
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130 CnvJisBase::IsCharacterJISBased(aConfidenceLevel, aSample); |
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131 return ETrue; |
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132 } |
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133 |
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134 CISO2022JPConverterImpl* CISO2022JPConverterImpl::NewL() |
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135 { |
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136 CISO2022JPConverterImpl* self = new(ELeave) CISO2022JPConverterImpl(); |
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137 return self; |
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138 } |
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139 |
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140 CISO2022JPConverterImpl::~CISO2022JPConverterImpl() |
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141 { |
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142 } |
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143 |
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144 CISO2022JPConverterImpl::CISO2022JPConverterImpl() |
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145 { |
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146 } |
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147 |
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148 const TImplementationProxy ImplementationTable[] = |
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149 { |
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150 IMPLEMENTATION_PROXY_ENTRY(0x100066A0, CISO2022JPConverterImpl::NewL) |
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151 }; |
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152 |
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153 EXPORT_C const TImplementationProxy* ImplementationGroupProxy(TInt& aTableCount) |
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154 { |
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155 aTableCount = sizeof(ImplementationTable) / sizeof(TImplementationProxy); |
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156 |
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157 return ImplementationTable; |
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158 } |
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159 |