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1 /* |
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2 * Copyright (c) 2006-2009 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: Implementation of the Parser |
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15 */ |
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16 |
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17 |
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18 |
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19 |
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20 #include <utf.h> |
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21 #include "internaladdressinfo.h" |
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22 #include "xmlhandler.h" |
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23 #include "locationmanagerdebug.h" |
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24 |
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25 using namespace xmlhandler; |
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26 |
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27 // CONSTANTS |
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28 _LIT8( KXmlMimeType, "text/xml" ); |
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29 _LIT8( KCountry, "country" ); |
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30 _LIT8( KState, "state" ); |
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31 _LIT8( KDistrict, "district" ); |
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32 _LIT8( KCity, "city" ); |
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33 _LIT8( KPostalCode, "postCode" ); |
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34 _LIT8( KThoroughfare, "thoroughfare" ); |
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35 _LIT8( KNameTag, "name" ); |
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36 _LIT8( KNumberTag, "number" ); |
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37 |
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38 // METHODS DEFINITION |
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39 |
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40 // -------------------------------------------------------------------------- |
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41 // CXmlHandler::NewL |
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42 // -------------------------------------------------------------------------- |
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43 CXmlHandler* CXmlHandler::NewL( MXmlHandlerObserver& aObserver, CInternalAddressInfo *aAddressInfo ) |
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44 { |
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45 LOG("CXmlHandler::NewL ,begin"); |
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46 CXmlHandler* self = CXmlHandler::NewLC( aObserver, aAddressInfo ); |
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47 CleanupStack::Pop(); //self |
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48 return self; |
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49 } |
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50 |
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51 // -------------------------------------------------------------------------- |
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52 // CXmlHandler::NewLC |
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53 // -------------------------------------------------------------------------- |
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54 |
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55 CXmlHandler* CXmlHandler::NewLC( MXmlHandlerObserver& aObserver, CInternalAddressInfo *aAddressInfo ) |
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56 { |
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57 LOG("CXmlHandler::NewLC ,begin"); |
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58 CXmlHandler* self = new ( ELeave ) CXmlHandler( aObserver, aAddressInfo ); |
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59 CleanupStack::PushL( self ); |
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60 self->ConstructL(); |
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61 return self; |
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62 } |
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63 |
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64 // -------------------------------------------------------------------------- |
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65 // CXmlHandler::~CXmlHandler |
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66 // -------------------------------------------------------------------------- |
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67 CXmlHandler::~CXmlHandler() |
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68 { |
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69 LOG("CXmlHandler::~CXmlHandler"); |
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70 delete iParser; |
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71 iParser = NULL; |
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72 delete iBuffer; |
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73 iBuffer = NULL; |
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74 } |
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75 |
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76 // -------------------------------------------------------------------------- |
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77 // CXmlHandler::CXmlHandler |
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78 // -------------------------------------------------------------------------- |
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79 CXmlHandler::CXmlHandler( MXmlHandlerObserver& aObserver, CInternalAddressInfo *aAddressInfo ): |
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80 iObserver( aObserver ), |
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81 iParser( NULL ), |
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82 iBuffer( NULL ), |
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83 iAddressInfo( aAddressInfo ), |
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84 iThoroughfare( EFalse ) |
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85 { |
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86 } |
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87 |
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88 // -------------------------------------------------------------------------- |
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89 // CXmlHandler::ConstructL |
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90 // -------------------------------------------------------------------------- |
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91 void CXmlHandler::ConstructL() |
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92 { |
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93 LOG("CXmlHandler::ConstructL ,begin"); |
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94 iParser = CParser::NewL( KXmlMimeType, *this ); |
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95 |
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96 } |
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97 |
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98 // -------------------------------------------------------------------------- |
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99 // CXmlHandler::StartParsingL() |
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100 // -------------------------------------------------------------------------- |
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101 void CXmlHandler::StartParsingL( HBufC8 *aBuf ) |
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102 { |
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103 LOG("CXmlHandler::StartParsingL ,begin"); |
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104 //Reset the address values before starting new content parsing |
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105 iAddressInfo->ResetAddressInfoL(); |
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106 |
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107 if( iBuffer ) |
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108 { |
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109 delete iBuffer; |
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110 iBuffer = NULL; |
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111 } |
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112 |
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113 iBuffer = HBufC8::NewL( aBuf->Size() ); |
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114 TPtr8 ptr = iBuffer->Des(); |
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115 ptr.Copy( aBuf->Ptr() , aBuf->Size() ); |
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116 |
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117 // Now, we have the whole file content in iBuffer. |
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118 // We are ready to parse the XML content. |
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119 iParser->ParseBeginL(); |
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120 iParser->ParseL( *iBuffer ); |
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121 |
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122 // Since we read the whole file contents within one-shot, |
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123 // we can call ParseEndL() right after calling ParseL(). |
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124 iParser->ParseEndL(); |
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125 LOG("CXmlHandler::StartParsingL ,end"); |
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126 } |
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127 |
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128 // -------------------------------------------------------------------------- |
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129 // CXmlHandler::OnStartDocumentL() |
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130 // -------------------------------------------------------------------------- |
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131 void CXmlHandler::OnStartDocumentL( const RDocumentParameters& /*aDocParam*/, |
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132 TInt aErrorCode ) |
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133 { |
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134 LOG1("CXmlHandler::OnStartDocumentL ,Error code - %d", aErrorCode); |
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135 if( KErrNone != aErrorCode ) |
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136 { |
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137 iObserver.OnParseCompletedL( aErrorCode, *iAddressInfo ); |
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138 } |
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139 else |
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140 { |
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141 // Do nothing |
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142 } |
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143 LOG("CXmlHandler::OnStartDocumentL ,end"); |
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144 } |
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145 |
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146 // -------------------------------------------------------------------------- |
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147 // CXmlHandler::OnEndDocumentL() |
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148 // -------------------------------------------------------------------------- |
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149 void CXmlHandler::OnEndDocumentL( TInt aErrorCode ) |
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150 { |
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151 LOG1("CXmlHandler::OnEndDocumentL ,Errcode - %d", aErrorCode); |
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152 iObserver.OnParseCompletedL( aErrorCode, *iAddressInfo ); |
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153 } |
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154 |
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155 // -------------------------------------------------------------------------- |
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156 // CXmlHandler::OnStartElementL() |
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157 // -------------------------------------------------------------------------- |
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158 void CXmlHandler::OnStartElementL( const RTagInfo& aElement, |
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159 const RAttributeArray& /*aAttributes*/, TInt aErrorCode ) |
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160 { |
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161 LOG1("CXmlHandler::OnStartElementL , Errorcode - %d", aErrorCode); |
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162 if ( KErrNone == aErrorCode ) |
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163 { |
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164 // If we find the start of an element, we write to the screen, |
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165 // for example: "<tag>" |
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166 |
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167 if( !aElement.LocalName().DesC().Compare( KCountry ) ) |
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168 { |
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169 iCurrentElement = ECountryName; |
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170 } |
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171 else if( !aElement.LocalName().DesC().Compare( KState ) ) |
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172 { |
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173 iCurrentElement = EState; |
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174 } |
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175 else if( !aElement.LocalName().DesC().Compare( KCity ) ) |
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176 { |
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177 iCurrentElement = ECity; |
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178 } |
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179 else if( !aElement.LocalName().DesC().Compare( KDistrict ) ) |
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180 { |
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181 iCurrentElement = EDistrict; |
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182 } |
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183 else if( !aElement.LocalName().DesC().Compare( KPostalCode ) ) |
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184 { |
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185 iCurrentElement = EPostalCode; |
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186 } |
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187 else if( !aElement.LocalName().DesC().Compare( KThoroughfare ) ) |
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188 { |
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189 iThoroughfare = ETrue; |
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190 } |
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191 else if( !aElement.LocalName().DesC().Compare( KNameTag ) && iThoroughfare ) |
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192 { |
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193 iCurrentElement = EThoroughfareName; |
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194 } |
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195 else if( !aElement.LocalName().DesC().Compare( KNumberTag ) && iThoroughfare ) |
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196 { |
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197 iCurrentElement = EThoroughfareNumber; |
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198 } |
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199 else |
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200 { |
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201 ///Do something |
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202 } |
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203 } |
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204 else |
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205 { |
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206 iObserver.OnParseCompletedL( aErrorCode, *iAddressInfo ); |
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207 } |
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208 LOG("CXmlHandler::OnStartElementL ,end"); |
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209 } |
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210 |
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211 // -------------------------------------------------------------------------- |
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212 // CXmlHandler::OnEndElementL() |
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213 // -------------------------------------------------------------------------- |
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214 void CXmlHandler::OnEndElementL( const RTagInfo& /*aElement*/, TInt aErrorCode ) |
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215 { |
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216 LOG1("CXmlHandler::OnEndElementL ,Error code - %d", aErrorCode); |
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217 if( KErrNone == aErrorCode ) |
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218 { |
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219 // at the end of the tag </tag> |
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220 //Set it to ENone |
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221 iCurrentElement = ENone; |
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222 iThoroughfare = EFalse; |
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223 } |
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224 else |
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225 { |
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226 iObserver.OnParseCompletedL( aErrorCode, *iAddressInfo ); |
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227 } |
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228 } |
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229 |
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230 // -------------------------------------------------------------------------- |
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231 // CXmlHandler::OnContentL() |
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232 // -------------------------------------------------------------------------- |
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233 void CXmlHandler::OnContentL( const TDesC8 &aBytes, TInt aErrorCode ) |
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234 { |
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235 LOG1("CXmlHandler::OnContentL ,Errorcode - %d", aErrorCode); |
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236 if( KErrNone == aErrorCode ) |
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237 { |
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238 |
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239 if( iCurrentElement == ENone ) |
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240 { |
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241 //ignore if the current element is not there |
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242 return; |
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243 } |
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244 |
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245 // convert the content to UCS-2 |
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246 // from UTF-8 |
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247 RBuf buffer; |
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248 buffer.CreateL( aBytes.Length() ); |
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249 CleanupClosePushL(buffer); |
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250 CnvUtfConverter::ConvertToUnicodeFromUtf8( buffer , aBytes ); |
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251 |
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252 if( iCurrentElement == ECountryName ) |
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253 { |
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254 iAddressInfo->SetCountryName( buffer ); |
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255 } |
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256 else if( iCurrentElement == EState ) |
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257 { |
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258 iAddressInfo->SetState( buffer ); |
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259 } |
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260 else if( iCurrentElement == EDistrict ) |
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261 { |
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262 iAddressInfo->SetDistrict( buffer ); |
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263 } |
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264 else if( iCurrentElement == ECity ) |
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265 { |
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266 iAddressInfo->SetCity( buffer ); |
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267 } |
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268 else if( iCurrentElement == EPostalCode ) |
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269 { |
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270 iAddressInfo->SetPincode( buffer ); |
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271 } |
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272 else if( iCurrentElement == EThoroughfareName ) |
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273 { |
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274 iAddressInfo->SetThoroughfareName( buffer ); |
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275 } |
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276 else if( iCurrentElement == EThoroughfareNumber ) |
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277 { |
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278 iAddressInfo->SetThoroughfareNumber( buffer ); |
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279 } |
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280 else |
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281 { |
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282 ///Do something |
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283 } |
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284 CleanupStack::PopAndDestroy(); // buffer |
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285 } |
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286 else |
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287 { |
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288 iObserver.OnParseCompletedL( aErrorCode, *iAddressInfo ); |
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289 } |
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290 LOG("CXmlHandler::OnContentL ,end"); |
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291 } |
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292 |
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293 // -------------------------------------------------------------------------- |
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294 // CXmlHandler::OnStartPrefixMappingL() |
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295 // -------------------------------------------------------------------------- |
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296 void CXmlHandler::OnStartPrefixMappingL( const RString& /*aPrefix*/, |
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297 const RString& /*aUri*/, TInt aErrorCode ) |
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298 { |
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299 LOG1("CXmlHandler::OnStartPrefixMappingL ,Error code - %d", aErrorCode); |
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300 if( KErrNone != aErrorCode ) |
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301 { |
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302 iObserver.OnParseCompletedL( aErrorCode, *iAddressInfo ); |
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303 } |
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304 else |
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305 { |
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306 // Do nothing |
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307 } |
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308 } |
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309 |
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310 // -------------------------------------------------------------------------- |
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311 // CXmlHandler::OnEndPrefixMappingL() |
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312 // -------------------------------------------------------------------------- |
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313 void CXmlHandler::OnEndPrefixMappingL( const RString& /*aPrefix*/, TInt aErrorCode ) |
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314 { |
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315 LOG1("CXmlHandler::OnEndPrefixMappingL ,Error code - %d", aErrorCode); |
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316 if( KErrNone != aErrorCode ) |
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317 { |
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318 iObserver.OnParseCompletedL( aErrorCode, *iAddressInfo ); |
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319 } |
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320 else |
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321 { |
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322 // Do nothing |
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323 } |
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324 } |
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325 |
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326 // -------------------------------------------------------------------------- |
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327 // CXmlHandler::OnIgnorableWhiteSpaceL() |
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328 // -------------------------------------------------------------------------- |
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329 void CXmlHandler::OnIgnorableWhiteSpaceL( const TDesC8& /*aBytes*/,TInt aErrorCode ) |
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330 { |
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331 LOG1("CXmlHandler::OnIgnorableWhiteSpaceL ,Error code - %d", aErrorCode); |
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332 if( KErrNone != aErrorCode ) |
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333 { |
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334 iObserver.OnParseCompletedL( aErrorCode, *iAddressInfo ); |
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335 } |
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336 else |
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337 { |
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338 // Do nothing |
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339 } |
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340 } |
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341 |
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342 // -------------------------------------------------------------------------- |
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343 // CXmlHandler::OnSkippedEntityL() |
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344 // -------------------------------------------------------------------------- |
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345 void CXmlHandler::OnSkippedEntityL( const RString& /*aName*/, TInt aErrorCode ) |
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346 { |
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347 LOG1("CXmlHandler::OnSkippedEntityL ,Error code - %d", aErrorCode); |
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348 if( KErrNone != aErrorCode ) |
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349 { |
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350 iObserver.OnParseCompletedL( aErrorCode, *iAddressInfo ); |
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351 } |
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352 else |
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353 { |
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354 // Do nothing |
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355 } |
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356 } |
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357 |
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358 // -------------------------------------------------------------------------- |
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359 // CXmlHandler::OnProcessingInstructionL() |
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360 // -------------------------------------------------------------------------- |
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361 void CXmlHandler::OnProcessingInstructionL( const TDesC8& /*aTarget*/, const TDesC8& /*aData*/, TInt aErrorCode ) |
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362 { |
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363 LOG1("CXmlHandler::OnProcessingInstructionL ,Error code - %d", aErrorCode); |
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364 if( KErrNone != aErrorCode ) |
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365 { |
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366 iObserver.OnParseCompletedL( aErrorCode, *iAddressInfo ); |
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367 } |
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368 else |
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369 { |
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370 // Do nothing |
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371 } |
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372 } |
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373 |
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374 // -------------------------------------------------------------------------- |
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375 // CXmlHandler::OnError() |
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376 // -------------------------------------------------------------------------- |
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377 void CXmlHandler::OnError( TInt aErrorCode ) |
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378 { |
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379 LOG1("CXmlHandler::OnError ,Error code - %d", aErrorCode); |
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380 TRAP_IGNORE( iObserver.OnParseCompletedL( aErrorCode, *iAddressInfo ) ); |
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381 } |
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382 |
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383 // -------------------------------------------------------------------------- |
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384 // CXmlHandler::GetExtendedInterface() |
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385 // -------------------------------------------------------------------------- |
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386 TAny* CXmlHandler::GetExtendedInterface( const TInt32 /*aUid*/ ) |
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387 { |
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388 return 0; |
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389 } |
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390 |
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391 // End of File |