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1 /* |
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2 * Copyright (c) 1997-2009 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 the License "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 <wtlsnames.h> |
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20 #include "wtlsdec.h" |
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21 #include <x500dn.h> |
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22 #include <utf.h> |
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23 |
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24 _LIT(KWTLSStructuredTextFieldSeparator, ";"); |
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25 _LIT(KWTLSStructuredTextAssignmentCharacter, "="); |
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26 const TInt KWTLSTextHeaderLength = 3; |
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27 |
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28 EXPORT_C CWTLSName* CWTLSName::NewL(const TDesC8& aBinaryData) |
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29 { |
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30 TInt pos = 0; |
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31 return CWTLSName::NewL(aBinaryData, pos); |
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32 } |
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33 |
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34 EXPORT_C CWTLSName* CWTLSName::NewLC(const TDesC8& aBinaryData) |
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35 { |
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36 TInt pos = 0; |
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37 return CWTLSName::NewLC(aBinaryData, pos); |
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38 } |
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39 |
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40 EXPORT_C CWTLSName* CWTLSName::NewL(const TDesC8& aBinaryData, TInt& aPos) |
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41 { |
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42 CWTLSName* self = CWTLSName::NewLC(aBinaryData, aPos); |
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43 CleanupStack::Pop(); |
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44 return self; |
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45 } |
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46 |
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47 EXPORT_C CWTLSName* CWTLSName::NewLC(const TDesC8& aBinaryData, TInt& aPos) |
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48 { |
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49 CWTLSName* self = new(ELeave) CWTLSName; |
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50 CleanupStack::PushL(self); |
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51 self->ConstructL(aBinaryData, aPos); |
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52 return self; |
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53 } |
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54 |
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55 EXPORT_C CWTLSName* CWTLSName::NewL(const CWTLSName& aName) |
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56 { |
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57 CWTLSName* self = CWTLSName::NewLC(aName); |
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58 CleanupStack::Pop(); |
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59 return self; |
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60 } |
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61 |
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62 EXPORT_C CWTLSName* CWTLSName::NewLC(const CWTLSName& aName) |
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63 { |
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64 CWTLSName* self = new(ELeave) CWTLSName; |
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65 CleanupStack::PushL(self); |
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66 self->ConstructL(aName); |
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67 return self; |
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68 } |
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69 |
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70 CWTLSName::CWTLSName() |
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71 { |
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72 } |
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73 |
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74 void CWTLSName::ConstructL(const TDesC8& aBinaryData, TInt& aPos) |
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75 { |
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76 if ((aBinaryData.Length() - aPos) < 1) |
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77 { |
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78 User::Leave(KErrArgument); |
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79 } |
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80 iNameType = aBinaryData[aPos]; |
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81 aPos++; |
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82 switch(iNameType) |
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83 { |
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84 case EWTLSText: |
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85 { |
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86 AllocTextDataL(aBinaryData, aPos); |
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87 break; |
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88 } |
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89 case EWTLSX500DN: |
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90 { |
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91 AllocNameDataL(aBinaryData, aPos); |
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92 break; |
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93 } |
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94 default: |
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95 { |
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96 User::Leave(KErrNotSupported); |
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97 } |
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98 } |
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99 } |
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100 |
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101 void CWTLSName::ConstructL(const CWTLSName& aName) |
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102 { |
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103 iNameType = aName.iNameType; |
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104 iNameData = aName.iNameData->AllocL(); |
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105 } |
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106 |
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107 EXPORT_C CWTLSName::~CWTLSName() |
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108 { |
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109 delete iNameData; |
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110 } |
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111 |
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112 void CWTLSName::AllocTextDataL(const TDesC8& aBinaryData, TInt& aPos) |
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113 { |
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114 if ((aBinaryData.Length() - aPos) < KWTLSTextHeaderLength) |
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115 { |
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116 User::Leave(KErrArgument); |
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117 } |
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118 TInt nameLength = (aBinaryData[aPos+2] + KWTLSTextHeaderLength); |
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119 if ((aBinaryData.Length() ) < (aPos+nameLength)) |
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120 { |
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121 User::Leave(KErrArgument); |
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122 } |
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123 iNameData = aBinaryData.Mid(aPos, nameLength).AllocL(); |
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124 aPos += nameLength; |
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125 } |
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126 |
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127 void CWTLSName::AllocNameDataL(const TDesC8& aBinaryData, TInt& aPos) |
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128 { |
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129 if ((aBinaryData.Length() - aPos) < 1) |
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130 { |
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131 User::Leave(KErrArgument); |
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132 } |
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133 TUint8 nameLength = aBinaryData[aPos]; |
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134 aPos++; |
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135 if (aBinaryData.Length() - (aPos + nameLength) < 0) |
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136 { |
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137 User::Leave(KErrArgument); |
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138 } |
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139 iNameData = aBinaryData.Mid(aPos, nameLength).AllocL(); |
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140 aPos += nameLength; |
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141 } |
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142 |
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143 EXPORT_C TBool CWTLSName::ExactMatchL(const CWTLSName& aName) const |
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144 { |
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145 //hmmm, in the absence of any matching rules, just match the bytes... |
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146 return (*(iNameData) == *(aName.iNameData)); |
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147 } |
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148 |
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149 EXPORT_C TWTLSNameType CWTLSName::NameType() const |
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150 { |
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151 return iNameType; |
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152 } |
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153 |
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154 EXPORT_C TPtrC8 CWTLSName::NameData() const |
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155 { |
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156 return *iNameData; |
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157 } |
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158 |
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159 EXPORT_C HBufC* CWTLSName::DisplayNameL() const |
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160 { |
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161 switch (iNameType) |
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162 { |
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163 case EWTLSText: |
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164 { |
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165 CWTLSStructuredText* sText = NULL; |
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166 TRAPD(err, sText = CWTLSStructuredText::NewL(*iNameData)); |
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167 if (err != KErrNone) |
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168 { |
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169 if (err != KErrArgument) |
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170 { |
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171 User::Leave(err); |
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172 } |
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173 else |
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174 { |
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175 CWTLSText* text = CWTLSText::NewLC(*iNameData); |
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176 HBufC* res = text->Name().AllocL(); |
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177 CleanupStack::PopAndDestroy();//text |
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178 return res; |
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179 } |
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180 } |
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181 else |
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182 { |
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183 CleanupStack::PushL(sText); |
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184 HBufC* res = sText->DisplayNameL(); |
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185 CleanupStack::PopAndDestroy();//sText |
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186 return res; |
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187 } |
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188 } |
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189 case EWTLSX500DN: |
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190 { |
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191 CX500DistinguishedName* dN = CX500DistinguishedName::NewLC(*iNameData); |
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192 HBufC* res = dN->DisplayNameL(); |
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193 CleanupStack::PopAndDestroy();//dN |
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194 return res; |
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195 } |
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196 default: |
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197 { |
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198 User::Leave(KErrNotSupported); |
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199 return NULL;//never gets to here... |
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200 } |
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201 } |
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202 } |
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203 |
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204 //************************************************************************// |
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205 //text name |
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206 EXPORT_C CWTLSText* CWTLSText::NewL(const TDesC8& aBinaryData) |
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207 { |
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208 TInt pos = 0; |
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209 return CWTLSText::NewL(aBinaryData, pos); |
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210 } |
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211 |
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212 EXPORT_C CWTLSText* CWTLSText::NewLC(const TDesC8& aBinaryData) |
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213 { |
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214 TInt pos = 0; |
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215 return CWTLSText::NewLC(aBinaryData, pos); |
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216 } |
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217 |
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218 EXPORT_C CWTLSText* CWTLSText::NewL(const TDesC8& aBinaryData, TInt& aPos) |
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219 { |
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220 CWTLSText* self = CWTLSText::NewLC(aBinaryData, aPos); |
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221 CleanupStack::Pop(); |
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222 return self; |
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223 } |
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224 |
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225 EXPORT_C CWTLSText* CWTLSText::NewLC(const TDesC8& aBinaryData, TInt& aPos) |
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226 { |
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227 CWTLSText* self = new(ELeave) CWTLSText; |
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228 CleanupStack::PushL(self); |
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229 self->ConstructL(aBinaryData, aPos); |
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230 return self; |
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231 } |
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232 |
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233 EXPORT_C CWTLSText::~CWTLSText() |
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234 { |
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235 delete iName; |
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236 } |
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237 |
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238 EXPORT_C TBool CWTLSText::ExactMatchL(const CWTLSText& aName) const |
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239 { |
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240 //subtle difference between this byte-match and |
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241 //CWTLSName::ExactMatchL(...) is that this should successfully match 2 names that |
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242 //are the same which were encoded using different character sets... |
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243 return (*iName == *(aName.iName)); |
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244 } |
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245 |
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246 EXPORT_C TPtrC CWTLSText::Name() const |
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247 { |
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248 return *iName; |
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249 } |
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250 |
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251 EXPORT_C TWTLSCharSet CWTLSText::CharacterSet() const |
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252 { |
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253 return iCharacterSet; |
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254 } |
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255 |
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256 CWTLSText::CWTLSText() |
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257 { |
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258 } |
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259 |
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260 void CWTLSText::ConstructL(const TDesC8& aBinaryData, TInt& aPos) |
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261 { |
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262 if ((aBinaryData.Length() - aPos) < 3) |
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263 { |
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264 User::Leave(KErrArgument); |
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265 } |
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266 TWTLSDecUnsignedInteger decInt; |
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267 iCharacterSet = decInt.DecodeShortL(aBinaryData, aPos, 2); |
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268 TUint8 nameLength = aBinaryData[aPos]; |
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269 aPos++; |
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270 if (aBinaryData.Length() < (aPos + nameLength)) |
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271 { |
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272 User::Leave(KErrArgument); |
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273 } |
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274 TPtrC8 ptr = aBinaryData.Mid(aPos, nameLength); |
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275 //only works for latin-1 here... |
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276 iName = HBufC::NewL(ptr.Length()); |
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277 switch (iCharacterSet) |
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278 { |
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279 case KWTLSLatin1CharSet://=latin-1 |
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280 { |
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281 TPtr pRes = iName->Des(); |
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282 pRes.Copy(ptr); |
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283 aPos+=nameLength; |
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284 break; |
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285 } |
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286 case KWTLSUTF8CharSet: |
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287 { |
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288 TPtr pRes = iName->Des(); |
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289 User::LeaveIfError(CnvUtfConverter::ConvertToUnicodeFromUtf8(pRes, ptr)); |
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290 break; |
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291 } |
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292 default: |
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293 { |
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294 User::Leave(KErrNotSupported); |
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295 } |
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296 } |
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297 } |
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298 |
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299 TWTLSStructuredTextField::TWTLSStructuredTextField(const TDesC& aType, const TDesC& aValue) |
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300 :iType(aType), iValue(aValue) |
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301 { |
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302 } |
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303 |
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304 EXPORT_C TPtrC TWTLSStructuredTextField::Type() const |
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305 { |
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306 return iType; |
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307 } |
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308 |
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309 EXPORT_C TPtrC TWTLSStructuredTextField::Value() const |
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310 { |
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311 return iValue; |
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312 } |
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313 |
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314 //Structured text class |
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315 EXPORT_C CWTLSStructuredText* CWTLSStructuredText::NewL(const TDesC8& aBinaryData) |
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316 { |
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317 TInt pos = 0; |
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318 return CWTLSStructuredText::NewL(aBinaryData, pos); |
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319 } |
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320 |
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321 EXPORT_C CWTLSStructuredText* CWTLSStructuredText::NewLC(const TDesC8& aBinaryData) |
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322 { |
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323 TInt pos = 0; |
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324 return CWTLSStructuredText::NewLC(aBinaryData, pos); |
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325 } |
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326 |
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327 EXPORT_C CWTLSStructuredText* CWTLSStructuredText::NewL(const TDesC8& aBinaryData, TInt& aPos) |
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328 { |
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329 CWTLSStructuredText* self = CWTLSStructuredText::NewLC(aBinaryData, aPos); |
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330 CleanupStack::Pop(); |
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331 return self; |
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332 } |
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333 |
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334 EXPORT_C CWTLSStructuredText* CWTLSStructuredText::NewLC(const TDesC8& aBinaryData, TInt& aPos) |
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335 { |
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336 CWTLSStructuredText* self = new(ELeave) CWTLSStructuredText; |
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337 CleanupStack::PushL(self); |
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338 self->ConstructL(aBinaryData, aPos); |
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339 return self; |
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340 } |
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341 |
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342 EXPORT_C CWTLSStructuredText::~CWTLSStructuredText() |
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343 { |
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344 delete iFields; |
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345 } |
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346 |
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347 EXPORT_C HBufC* CWTLSStructuredText::DisplayNameL() const |
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348 { |
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349 if (iFields->Count() > 3) |
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350 { |
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351 return iFields->At(3).Value().AllocL(); |
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352 } |
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353 else |
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354 { |
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355 return iFields->At(1).Value().AllocL(); |
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356 } |
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357 } |
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358 |
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359 //accessors for defined fields |
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360 EXPORT_C TPtrC CWTLSStructuredText::ServiceName() const |
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361 { |
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362 //construction ensures iFields must have at least 3 elements |
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363 return iFields->At(0).Value(); |
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364 } |
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365 |
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366 EXPORT_C TPtrC CWTLSStructuredText::Organization() const |
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367 { |
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368 //construction ensures iFields must have at least 3 elements |
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369 return iFields->At(1).Value(); |
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370 } |
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371 |
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372 EXPORT_C TPtrC CWTLSStructuredText::Country() const |
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373 { |
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374 //construction ensures iFields must have at least 3 elements |
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375 return iFields->At(2).Value(); |
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376 } |
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377 |
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378 EXPORT_C TInt CWTLSStructuredText::Count() const |
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379 { |
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380 return iFields->Count(); |
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381 } |
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382 |
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383 EXPORT_C const TWTLSStructuredTextField* CWTLSStructuredText::FieldByName(const TDesC& aType) const |
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384 { |
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385 TInt count = iFields->Count(); |
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386 for (TInt i = 0; i < count; i++) |
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387 { |
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388 TWTLSStructuredTextField* field = &(iFields->At(i)); |
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389 if (field->Type() == aType) |
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390 { |
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391 return field; |
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392 } |
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393 } |
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394 return NULL; |
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395 } |
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396 |
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397 EXPORT_C const TWTLSStructuredTextField& CWTLSStructuredText::FieldByIndex(TInt aIndex) const |
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398 { |
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399 return iFields->At(aIndex); |
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400 } |
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401 |
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402 CWTLSStructuredText::CWTLSStructuredText() |
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403 { |
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404 } |
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405 |
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406 void CWTLSStructuredText::ConstructL(const TDesC8& aBinaryData, TInt& aPos) |
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407 { |
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408 CWTLSText::ConstructL(aBinaryData, aPos); |
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409 iFields = new(ELeave) CArrayFixFlat<TWTLSStructuredTextField> (4); |
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410 TInt pos = 0; |
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411 TInt end = iName->Length(); |
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412 AddFieldValueL(KWTLSServiceName, pos); |
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413 AddFieldValueL(KWTLSOrganizationName, pos); |
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414 AddFieldValueL(KWTLSCountryName, pos); |
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415 if (pos < end) |
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416 { |
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417 AddFieldValueL(KWTLSCommonName, pos); |
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418 } |
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419 while (pos < end) |
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420 { |
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421 AddFieldL(pos); |
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422 } |
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423 } |
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424 |
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425 void CWTLSStructuredText::AddFieldValueL(const TDesC& aFieldName, TInt& aPos) |
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426 { |
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427 TPtrC startOfData = iName->Right(iName->Length() - aPos); |
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428 TPtrC value = GetFieldL(startOfData, aPos); |
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429 TWTLSStructuredTextField field(aFieldName, value); |
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430 iFields->AppendL(field); |
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431 } |
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432 |
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433 void CWTLSStructuredText::AddFieldL(TInt& aPos) |
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434 { |
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435 TPtrC startOfData = iName->Right(iName->Length() - aPos); |
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436 TPtrC fieldData = GetFieldL(startOfData, aPos); |
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437 TInt fieldLength = fieldData.Length(); |
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438 TInt endType = fieldData.FindF(KWTLSStructuredTextAssignmentCharacter); |
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439 if ((endType == KErrNotFound) || ((endType+1) == fieldLength)) |
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440 { |
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441 User::Leave(KErrArgument); |
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442 } |
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443 TPtrC type = fieldData.Left(endType); |
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444 TPtrC value = fieldData.Right( fieldLength - (endType+1) ); |
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445 TWTLSStructuredTextField field(type, value); |
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446 iFields->AppendL(field); |
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447 } |
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448 |
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449 TPtrC CWTLSStructuredText::GetFieldL(TDesC& aString, TInt& aPos) |
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450 { |
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451 //aString = where we've got up to |
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452 //aPos = start of this chunk of name data |
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453 TInt length = 0; |
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454 TBool done = GetSubFieldL(aString, length); |
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455 while (!done) |
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456 { |
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457 TPtrC remainder = aString.Right(aString.Length() - (length)); |
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458 TInt increment = 0; |
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459 done = GetSubFieldL(remainder, increment); |
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460 length += increment; |
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461 } |
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462 if (length == 0) |
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463 { |
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464 //disallow zero-length field values |
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465 User::Leave(KErrArgument); |
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466 } |
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467 aPos += length; |
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468 if (length < aString.Length()) |
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469 { |
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470 //if we're not on the last field, skip the ';' character |
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471 aPos++; |
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472 } |
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473 return aString.Left(length); |
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474 } |
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475 |
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476 TBool CWTLSStructuredText::GetSubFieldL(TDesC& aString, TInt& aPos) |
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477 { |
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478 //fields in structured text are separated by ';'. If this character appears |
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479 //in the field text it's represented by ';;'. so, the string 'symbian;systems' would |
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480 //be encoded as 'symbian;;systems'. |
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481 |
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482 //starting at the start of aString, this function sets 'aPos' to the position after the |
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483 //first occurrence of ';' in aString. If the character following ';' is also ';' it returns |
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484 //EFalse (meaning, this sub-field isn't a whole field), otherwise it returns ETrue. |
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485 |
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486 aPos = aString.FindF(KWTLSStructuredTextFieldSeparator); |
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487 if (aPos == KErrNotFound) |
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488 { |
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489 aPos = aString.Length(); |
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490 } |
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491 else |
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492 { |
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493 //separator char mustn't be last char |
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494 if (aPos == (aString.Length() -1)) |
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495 { |
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496 User::Leave(KErrArgument); |
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497 } |
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498 else |
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499 { |
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500 //if the next char is ';', skip it and return EFalse |
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501 TPtrC next = aString.Mid(aPos + 1, 1); |
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502 if (next == KWTLSStructuredTextFieldSeparator) |
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503 { |
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504 aPos++; |
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505 return EFalse; |
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506 } |
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507 //if it isn't, that's the end of the field |
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508 } |
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509 } |
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510 return ETrue; |
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511 } |