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1 /* |
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2 * Copyright (c) 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 #include "PictographObserver.h" |
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19 #include "featmgr/featmgr.h" |
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20 |
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21 #include <e32std.h> |
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22 #include <charconv.h> |
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23 #include <convutils.h> |
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24 #include "jisbase.h" |
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25 #include "jisx0201.h" |
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26 #include "jisx0208.h" |
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27 #include <ecom/implementationproxy.h> |
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28 #include "charactersetconverter.h" |
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29 |
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30 |
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31 _LIT8(KLit8EscapeSequenceForJisRoman, "\x1b\x28\x4a"); |
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32 _LIT8(KLit8EscapeSequenceForAscii, "\x1b\x28\x42"); |
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33 _LIT8(KLit8EscapeSequenceForJisX0208_1983, "\x1b\x24\x42"); |
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34 //_LIT8(KLit8EscapeSequenceForJisC6226_1978, "\x1b\x24\x40"); |
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35 //_LIT8(KLit8EscapeSequenceForJisX0212_1990, "\x1b\x24\x28\x44"); |
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36 //_LIT8(KLit8EscapeSequenceForHalfWidthKatakana, "\x1b\x28\x49"); |
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37 _LIT8(KLit8Iso2022JpReplacementForUnconvertibleUnicodeCharacters, "\x1b\x24\x42\x21\x29"); // fullwidth question mark |
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38 |
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39 |
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40 class CISO2022JPConverterImpl : public CCharacterSetConverterPluginInterface |
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41 { |
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42 |
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43 public: |
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44 virtual const TDesC8& ReplacementForUnconvertibleUnicodeCharacters(); |
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45 |
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46 virtual TInt ConvertFromUnicode( |
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47 CCnvCharacterSetConverter::TEndianness aDefaultEndiannessOfForeignCharacters, |
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48 const TDesC8& aReplacementForUnconvertibleUnicodeCharacters, |
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49 TDes8& aForeign, |
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50 const TDesC16& aUnicode, |
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51 CCnvCharacterSetConverter::TArrayOfAscendingIndices& aIndicesOfUnconvertibleCharacters); |
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52 |
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53 virtual TInt ConvertToUnicode( |
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54 CCnvCharacterSetConverter::TEndianness aDefaultEndiannessOfForeignCharacters, |
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55 TDes16& aUnicode, |
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56 const TDesC8& aForeign, |
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57 TInt& aState, |
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58 TInt& aNumberOfUnconvertibleCharacters, |
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59 TInt& aIndexOfFirstByteOfFirstUnconvertibleCharacter); |
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60 |
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61 virtual TBool IsInThisCharacterSetL( |
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62 TBool& aSetToTrue, |
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63 TInt& aConfidenceLevel, |
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64 const TDesC8& aSample); |
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65 |
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66 static CISO2022JPConverterImpl* NewL(); |
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67 virtual ~CISO2022JPConverterImpl(); |
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68 |
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69 private: |
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70 CISO2022JPConverterImpl(); |
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71 void ConstructL(); |
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72 |
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73 }; |
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74 |
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75 |
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76 |
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77 const TDesC8& CISO2022JPConverterImpl::ReplacementForUnconvertibleUnicodeCharacters() |
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78 { |
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79 return KLit8Iso2022JpReplacementForUnconvertibleUnicodeCharacters; |
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80 } |
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81 |
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82 LOCAL_C void ConvertFromJisRomanToJisInPlace(TInt aStartPositionInDescriptor, TDes8& aDescriptor, TInt& aNumberOfCharactersThatDroppedOut) |
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83 { |
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84 CnvUtilities::ConvertFromIntermediateBufferInPlace(aStartPositionInDescriptor, aDescriptor, aNumberOfCharactersThatDroppedOut, KLit8EscapeSequenceForJisRoman, 1); |
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85 } |
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86 |
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87 LOCAL_C void ConvertFromAsciiToJisInPlace(TInt aStartPositionInDescriptor, TDes8& aDescriptor, TInt& aNumberOfCharactersThatDroppedOut) |
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88 { |
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89 CnvUtilities::ConvertFromIntermediateBufferInPlace(aStartPositionInDescriptor, aDescriptor, aNumberOfCharactersThatDroppedOut, KLit8EscapeSequenceForAscii, 1); |
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90 } |
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91 |
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92 LOCAL_C void ConvertFromJisX0208ToJisInPlace(TInt aStartPositionInDescriptor, TDes8& aDescriptor, TInt& aNumberOfCharactersThatDroppedOut) |
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93 { |
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94 CnvUtilities::ConvertFromIntermediateBufferInPlace(aStartPositionInDescriptor, aDescriptor, aNumberOfCharactersThatDroppedOut, KLit8EscapeSequenceForJisX0208_1983, 2); |
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95 } |
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96 |
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97 struct TConvTblFromHalfKanaToFullKana |
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98 { |
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99 TUint8 iHalfKana; |
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100 TUint8 iHalfKanaMark; |
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101 TUint16 iFullKana; |
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102 }; |
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103 |
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104 LOCAL_D const TConvTblFromHalfKanaToFullKana convTblFromHalfKanaToFullKana[]= |
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105 { |
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106 { 0xA1, 0x00, 0x2123 }, // IDEOGRAPHIC FULL STOP |
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107 { 0xA2, 0x00, 0x2156 }, // LEFT CORNER BRACKET |
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108 { 0xA3, 0x00, 0x2157 }, // RIGHT CORNER BRACKET |
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109 { 0xA4, 0x00, 0x2122 }, // IDEOGRAPHIC COMMA |
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110 { 0xA5, 0x00, 0x2126 }, // KATAKANA MIDDLE DOT |
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111 { 0xA6, 0x00, 0x2572 }, // KATAKANA LETTER WO |
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112 { 0xA7, 0x00, 0x2521 }, // KATAKANA LETTER SMALL A |
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113 { 0xA8, 0x00, 0x2523 }, // KATAKANA LETTER SMALL I |
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114 { 0xA9, 0x00, 0x2525 }, // KATAKANA LETTER SMALL U |
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115 { 0xAA, 0x00, 0x2527 }, // KATAKANA LETTER SMALL E |
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116 { 0xAB, 0x00, 0x2529 }, // KATAKANA LETTER SMALL O |
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117 { 0xAC, 0x00, 0x2563 }, // KATAKANA LETTER SMALL YA |
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118 { 0xAD, 0x00, 0x2565 }, // KATAKANA LETTER SMALL YU |
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119 { 0xAE, 0x00, 0x2567 }, // KATAKANA LETTER SMALL YO |
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120 { 0xAF, 0x00, 0x2543 }, // KATAKANA LETTER SMALL TU |
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121 { 0xB0, 0x00, 0x213C }, // KATAKANA-HIRAGANA PROLONGED SOUND MARK |
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122 { 0xB1, 0x00, 0x2522 }, // KATAKANA LETTER A |
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123 { 0xB2, 0x00, 0x2524 }, // KATAKANA LETTER I |
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124 { 0xB3, 0x00, 0x2526 }, // KATAKANA LETTER U |
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125 { 0xB3, 0xDE, 0x2574 }, // KATAKANA LETTER VU |
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126 { 0xB4, 0x00, 0x2528 }, // KATAKANA LETTER E |
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127 { 0xB5, 0x00, 0x252A }, // KATAKANA LETTER O |
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128 { 0xB6, 0x00, 0x252B }, // KATAKANA LETTER KA |
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129 { 0xB6, 0xDE, 0x252C }, // KATAKANA LETTER GA |
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130 { 0xB7, 0x00, 0x252D }, // KATAKANA LETTER KI |
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131 { 0xB7, 0xDE, 0x252E }, // KATAKANA LETTER GI |
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132 { 0xB8, 0x00, 0x252F }, // KATAKANA LETTER KU |
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133 { 0xB8, 0xDE, 0x2530 }, // KATAKANA LETTER GU |
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134 { 0xB9, 0x00, 0x2531 }, // KATAKANA LETTER KE |
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135 { 0xB9, 0xDE, 0x2532 }, // KATAKANA LETTER GE |
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136 { 0xBA, 0x00, 0x2533 }, // KATAKANA LETTER KO |
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137 { 0xBA, 0xDE, 0x2534 }, // KATAKANA LETTER GO |
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138 { 0xBB, 0x00, 0x2535 }, // KATAKANA LETTER SA |
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139 { 0xBB, 0xDE, 0x2536 }, // KATAKANA LETTER ZA |
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140 { 0xBC, 0x00, 0x2537 }, // KATAKANA LETTER SI |
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141 { 0xBC, 0xDE, 0x2538 }, // KATAKANA LETTER ZI |
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142 { 0xBD, 0x00, 0x2539 }, // KATAKANA LETTER SU |
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143 { 0xBD, 0xDE, 0x253A }, // KATAKANA LETTER ZU |
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144 { 0xBE, 0x00, 0x253B }, // KATAKANA LETTER SE |
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145 { 0xBE, 0xDE, 0x253C }, // KATAKANA LETTER ZE |
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146 { 0xBF, 0x00, 0x253D }, // KATAKANA LETTER SO |
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147 { 0xBF, 0xDE, 0x253E }, // KATAKANA LETTER ZO |
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148 { 0xC0, 0x00, 0x253F }, // KATAKANA LETTER TA |
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149 { 0xC0, 0xDE, 0x2540 }, // KATAKANA LETTER DA |
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150 { 0xC1, 0x00, 0x2541 }, // KATAKANA LETTER TI |
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151 { 0xC1, 0xDE, 0x2542 }, // KATAKANA LETTER DI |
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152 { 0xC2, 0x00, 0x2544 }, // KATAKANA LETTER TU |
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153 { 0xC2, 0xDE, 0x2545 }, // KATAKANA LETTER DU |
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154 { 0xC3, 0x00, 0x2546 }, // KATAKANA LETTER TE |
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155 { 0xC3, 0xDE, 0x2547 }, // KATAKANA LETTER DE |
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156 { 0xC4, 0x00, 0x2548 }, // KATAKANA LETTER TO |
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157 { 0xC4, 0xDE, 0x2549 }, // KATAKANA LETTER DO |
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158 { 0xC5, 0x00, 0x254A }, // KATAKANA LETTER NA |
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159 { 0xC6, 0x00, 0x254B }, // KATAKANA LETTER NI |
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160 { 0xC7, 0x00, 0x254C }, // KATAKANA LETTER NU |
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161 { 0xC8, 0x00, 0x254D }, // KATAKANA LETTER NE |
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162 { 0xC9, 0x00, 0x254E }, // KATAKANA LETTER NO |
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163 { 0xCA, 0x00, 0x254F }, // KATAKANA LETTER HA |
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164 { 0xCA, 0xDE, 0x2550 }, // KATAKANA LETTER BA |
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165 { 0xCA, 0xDF, 0x2551 }, // KATAKANA LETTER PA |
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166 { 0xCB, 0x00, 0x2552 }, // KATAKANA LETTER HI |
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167 { 0xCB, 0xDE, 0x2553 }, // KATAKANA LETTER BI |
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168 { 0xCB, 0xDF, 0x2554 }, // KATAKANA LETTER PI |
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169 { 0xCC, 0x00, 0x2555 }, // KATAKANA LETTER HU |
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170 { 0xCC, 0xDE, 0x2556 }, // KATAKANA LETTER BU |
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171 { 0xCC, 0xDF, 0x2557 }, // KATAKANA LETTER PU |
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172 { 0xCD, 0x00, 0x2558 }, // KATAKANA LETTER HE |
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173 { 0xCD, 0xDE, 0x2559 }, // KATAKANA LETTER BE |
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174 { 0xCD, 0xDF, 0x255A }, // KATAKANA LETTER PE |
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175 { 0xCE, 0x00, 0x255B }, // KATAKANA LETTER HO |
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176 { 0xCE, 0xDE, 0x255C }, // KATAKANA LETTER BO |
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177 { 0xCE, 0xDF, 0x255D }, // KATAKANA LETTER PO |
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178 { 0xCF, 0x00, 0x255E }, // KATAKANA LETTER MA |
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179 { 0xD0, 0x00, 0x255F }, // KATAKANA LETTER MI |
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180 { 0xD1, 0x00, 0x2560 }, // KATAKANA LETTER MU |
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181 { 0xD2, 0x00, 0x2561 }, // KATAKANA LETTER ME |
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182 { 0xD3, 0x00, 0x2562 }, // KATAKANA LETTER MO |
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183 { 0xD4, 0x00, 0x2564 }, // KATAKANA LETTER YA |
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184 { 0xD5, 0x00, 0x2566 }, // KATAKANA LETTER YU |
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185 { 0xD6, 0x00, 0x2568 }, // KATAKANA LETTER YO |
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186 { 0xD7, 0x00, 0x2569 }, // KATAKANA LETTER RA |
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187 { 0xD8, 0x00, 0x256A }, // KATAKANA LETTER RI |
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188 { 0xD9, 0x00, 0x256B }, // KATAKANA LETTER RU |
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189 { 0xDA, 0x00, 0x256C }, // KATAKANA LETTER RE |
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190 { 0xDB, 0x00, 0x256D }, // KATAKANA LETTER RO |
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191 { 0xDC, 0x00, 0x256F }, // KATAKANA LETTER WA |
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192 { 0xDD, 0x00, 0x2573 }, // KATAKANA LETTER N |
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193 { 0xDE, 0x00, 0x212B }, // HALFWIDTH KATAKANA VOICED SOUND MARK |
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194 { 0xDF, 0x00, 0x212C } // HALFWIDTH KATAKANA SEMI-VOICED SOUND MARK |
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195 }; |
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196 #define ARRAY_LENGTH(aArray) (sizeof(aArray)/sizeof((aArray)[0])) |
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197 |
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198 LOCAL_C void ConvertFromHalfKatakanaToFullKatakana(TInt aStartPositionInDescriptor, TDes8& aDescriptor, TInt& aNumberOfCharactersThatDroppedOut) |
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199 { |
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200 // half-width Katakana is 1-byte, but full-width Katakana is 2-bytes. |
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201 TInt convertlength = aDescriptor.Length()-aStartPositionInDescriptor; |
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202 TInt numberOfMarkChar = 0; |
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203 HBufC8* hBuf = HBufC8::New(convertlength*2); |
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204 if (hBuf) |
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205 { |
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206 TPtr8 ptr = hBuf->Des(); |
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207 for (TInt i=aStartPositionInDescriptor; i < aDescriptor.Length(); i++) |
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208 { |
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209 const TUint8 convchar = (TUint8)(aDescriptor[i]|0x80); |
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210 const TUint8 convnextchar = (TUint8)((aDescriptor.Length() > (i+1))? |
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211 (aDescriptor[i+1]|0x80) : TUint8(0x00)); |
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212 const TConvTblFromHalfKanaToFullKana* curTbl = &(convTblFromHalfKanaToFullKana[0]); |
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213 for (TUint j=0; j < ARRAY_LENGTH(convTblFromHalfKanaToFullKana); curTbl++, j++) |
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214 { |
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215 if (convchar == curTbl->iHalfKana) |
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216 { |
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217 for (TInt k=0; (convchar == (curTbl+k)->iHalfKana); k++) |
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218 { |
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219 if (convnextchar == (curTbl+k)->iHalfKanaMark) |
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220 { |
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221 curTbl += k; |
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222 if (convnextchar == 0xDE || convnextchar == 0xDF) |
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223 { |
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224 i++; |
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225 numberOfMarkChar++; |
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226 } |
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227 break; |
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228 } |
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229 } |
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230 // set to buffer each 8 bit |
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231 const TUint8 highbit = (TUint8)(curTbl->iFullKana>>8); |
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232 const TUint8 lowbit = (TUint8)(curTbl->iFullKana|0xff00); |
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233 ptr.Append(highbit); |
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234 ptr.Append(lowbit); |
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235 break; |
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236 } |
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237 } |
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238 } |
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239 // add ESC code |
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240 CnvUtilities::ConvertFromIntermediateBufferInPlace( |
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241 aStartPositionInDescriptor, |
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242 aDescriptor, aNumberOfCharactersThatDroppedOut, |
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243 KLit8EscapeSequenceForJisX0208_1983, 1); |
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244 if (!aNumberOfCharactersThatDroppedOut) |
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245 { |
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246 // delete half-width katakana |
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247 aDescriptor.Delete(aStartPositionInDescriptor |
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248 + KLit8EscapeSequenceForJisX0208_1983().Length(), |
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249 convertlength); |
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250 |
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251 TInt freelength = aDescriptor.MaxLength() - aDescriptor.Length(); |
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252 TInt copylength = ptr.Length(); |
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253 if (copylength > freelength) |
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254 { |
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255 copylength = freelength - (freelength%2); |
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256 } |
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257 if (copylength > 0) |
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258 { |
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259 // not convert, because there is no enough buffer |
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260 aDescriptor.Append(ptr.Ptr(), copylength); |
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261 aNumberOfCharactersThatDroppedOut=(convertlength-numberOfMarkChar) - (copylength/2); |
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262 } |
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263 else |
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264 { |
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265 // not convert, because there is no enough buffer. |
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266 aNumberOfCharactersThatDroppedOut=convertlength; |
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267 aDescriptor.SetLength(aStartPositionInDescriptor); |
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268 } |
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269 } |
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270 delete hBuf; |
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271 } |
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272 else |
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273 { |
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274 // not convert, because there is no heap area. |
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275 aNumberOfCharactersThatDroppedOut=convertlength; |
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276 aDescriptor.SetLength(aStartPositionInDescriptor); |
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277 } |
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278 } |
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279 |
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280 TInt CISO2022JPConverterImpl::ConvertFromUnicode( |
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281 CCnvCharacterSetConverter::TEndianness aDefaultEndiannessOfForeignCharacters, |
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282 const TDesC8& aReplacementForUnconvertibleUnicodeCharacters, |
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283 TDes8& aForeign, |
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284 const TDesC16& aUnicode, |
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285 CCnvCharacterSetConverter::TArrayOfAscendingIndices& aIndicesOfUnconvertibleCharacters) |
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286 { |
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287 RArray<CnvUtilities::SCharacterSet> characterSets; |
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288 if ( FeatureManager::FeatureSupported(KFeatureIdJapanesePicto) ) |
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289 { |
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290 CnvUtilities::SCharacterSet characterSet; |
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291 characterSet.iConversionData=&CnvJisRoman::ConversionData(); |
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292 characterSet.iConvertFromIntermediateBufferInPlace=ConvertFromJisRomanToJisInPlace; |
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293 characterSet.iEscapeSequence=&KLit8EscapeSequenceForJisRoman; |
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294 characterSets.Append(characterSet); |
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295 characterSet.iConversionData=&CCnvCharacterSetConverter::AsciiConversionData(); |
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296 characterSet.iConvertFromIntermediateBufferInPlace=ConvertFromAsciiToJisInPlace; |
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297 characterSet.iEscapeSequence=&KLit8EscapeSequenceForAscii; |
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298 characterSets.Append(characterSet); |
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299 characterSet.iConversionData=&CnvJisX0208::ConversionData(); |
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300 characterSet.iConvertFromIntermediateBufferInPlace=ConvertFromJisX0208ToJisInPlace; |
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301 characterSet.iEscapeSequence=&KLit8EscapeSequenceForJisX0208_1983; |
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302 characterSets.Append(characterSet); |
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303 characterSet.iEscapeSequence=&KLit8EscapeSequenceForJisX0208_1983; |
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304 characterSet.iConversionData=&CnvJisBase::HalfWidthKatakana7ConversionData(); |
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305 characterSet.iConvertFromIntermediateBufferInPlace=ConvertFromHalfKatakanaToFullKatakana; |
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306 characterSets.Append(characterSet); |
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307 |
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308 SetCharacterSetsForPictograph(characterSets); |
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309 } |
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310 else |
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311 { |
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312 CnvUtilities::SCharacterSet characterSet; |
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313 characterSet.iConversionData=&CCnvCharacterSetConverter::AsciiConversionData(); |
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314 characterSet.iConvertFromIntermediateBufferInPlace=ConvertFromAsciiToJisInPlace; |
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315 characterSet.iEscapeSequence=&KLit8EscapeSequenceForAscii; |
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316 characterSets.Append(characterSet); |
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317 characterSet.iConversionData=&CnvJisRoman::ConversionData(); |
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318 characterSet.iConvertFromIntermediateBufferInPlace=ConvertFromJisRomanToJisInPlace; |
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319 characterSet.iEscapeSequence=&KLit8EscapeSequenceForJisRoman; |
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320 characterSets.Append(characterSet); |
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321 characterSet.iConversionData=&CnvJisX0208::ConversionData(); |
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322 characterSet.iConvertFromIntermediateBufferInPlace=ConvertFromJisX0208ToJisInPlace; |
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323 characterSet.iEscapeSequence=&KLit8EscapeSequenceForJisX0208_1983; |
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324 characterSets.Append(characterSet); |
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325 characterSet.iEscapeSequence=&KLit8EscapeSequenceForJisX0208_1983; |
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326 characterSet.iConversionData=&CnvJisBase::HalfWidthKatakana7ConversionData(); |
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327 characterSet.iConvertFromIntermediateBufferInPlace=ConvertFromHalfKatakanaToFullKatakana; |
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328 characterSets.Append(characterSet); |
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329 } |
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330 TUint notUsed; |
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331 //S60 30 TUint inputConversionFlags=CCnvCharacterSetConverter::EInputConversionFlagMustEndInDefaultCharacterSet; |
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332 TUint inputConversionFlags=CCnvCharacterSetConverter::EInputConversionFlagMustEndInDefaultCharacterSet | |
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333 CCnvCharacterSetConverter::EInputConversionFlagAssumeStartInDefaultCharacterSet; |
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334 TInt unconvert = CnvUtilities::ConvertFromUnicode(aDefaultEndiannessOfForeignCharacters, |
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335 aReplacementForUnconvertibleUnicodeCharacters, |
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336 aForeign, |
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337 aUnicode, |
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338 aIndicesOfUnconvertibleCharacters, |
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339 characterSets.Array(), |
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340 notUsed, |
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341 inputConversionFlags); |
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342 |
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343 characterSets.Close(); |
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344 |
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345 return unconvert; |
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346 } |
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347 |
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348 |
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349 TInt CISO2022JPConverterImpl::ConvertToUnicode( |
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350 CCnvCharacterSetConverter::TEndianness aDefaultEndiannessOfForeignCharacters, |
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351 TDes16& aUnicode, |
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352 const TDesC8& aForeign, |
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353 TInt& aState, |
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354 TInt& aNumberOfUnconvertibleCharacters, |
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355 TInt& aIndexOfFirstByteOfFirstUnconvertibleCharacter) |
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356 { |
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357 return CnvJisBase::ConvertToUnicode(aDefaultEndiannessOfForeignCharacters, aUnicode, aForeign, aState, aNumberOfUnconvertibleCharacters, aIndexOfFirstByteOfFirstUnconvertibleCharacter); |
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358 } |
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359 |
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360 TBool CISO2022JPConverterImpl::IsInThisCharacterSetL( |
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361 TBool& aSetToTrue, |
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362 TInt& aConfidenceLevel, |
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363 const TDesC8& aSample) |
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364 { |
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365 aSetToTrue=ETrue; |
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366 CnvJisBase::IsCharacterJISBased(aConfidenceLevel, aSample); |
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367 return ETrue; |
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368 } |
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369 |
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370 CISO2022JPConverterImpl* CISO2022JPConverterImpl::NewL() |
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371 { |
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372 CISO2022JPConverterImpl* self = new(ELeave) CISO2022JPConverterImpl(); |
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373 CleanupStack::PushL(self); |
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374 self->ConstructL(); |
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375 CleanupStack::Pop(self); |
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376 return self; |
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377 } |
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378 |
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379 CISO2022JPConverterImpl::~CISO2022JPConverterImpl() |
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380 { |
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381 FeatureManager::UnInitializeLib(); |
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382 } |
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383 |
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384 CISO2022JPConverterImpl::CISO2022JPConverterImpl() |
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385 { |
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386 } |
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387 |
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388 void CISO2022JPConverterImpl::ConstructL() |
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389 { |
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390 FeatureManager::InitializeLibL(); |
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391 } |
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392 |
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393 const TImplementationProxy ImplementationTable[] = |
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394 { |
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395 IMPLEMENTATION_PROXY_ENTRY(0x100066A0, CISO2022JPConverterImpl::NewL) |
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396 }; |
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397 |
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398 EXPORT_C const TImplementationProxy* ImplementationGroupProxy(TInt& aTableCount) |
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399 { |
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400 aTableCount = sizeof(ImplementationTable) / sizeof(TImplementationProxy); |
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401 |
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402 return ImplementationTable; |
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403 } |
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404 |