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1 /* |
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2 * Copyright (c) 2010 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 XML parser class. |
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15 * |
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16 */ |
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17 |
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18 #include "posrevgeocodexmlparser.h" |
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19 #include "posrevgeocodelogger.h" |
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20 |
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21 |
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22 #include <utf.h> |
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23 #include <EPos_CPosLandmark.h> |
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24 |
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25 // CONSTANTS |
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26 _LIT8( KXmlMimeType, "text/xml" ); |
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27 _LIT8( KCountry, "country" ); |
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28 _LIT8( KState, "state" ); |
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29 _LIT8( KDistrict, "district" ); |
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30 _LIT8( KCity, "city" ); |
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31 _LIT8( KPostalCode, "postCode" ); |
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32 _LIT8( KThoroughfare, "thoroughfare" ); |
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33 _LIT8( KNameTag, "name" ); |
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34 _LIT8( KNumberTag, "number" ); |
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35 |
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36 |
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37 //------------------------------------------------------------------------------ |
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38 // CPosRevGeoCodeXmlParser::NewL |
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39 //------------------------------------------------------------------------------ |
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40 CPosRevGeoCodeXmlParser* CPosRevGeoCodeXmlParser::NewL( MPosRevGeoCodeXmlObserver& aObserver ) |
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41 { |
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42 FUNC("CPosRevGeoCodeXmlParser::NewL"); |
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43 CPosRevGeoCodeXmlParser* self = new ( ELeave ) CPosRevGeoCodeXmlParser( aObserver ); |
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44 CleanupStack::PushL( self ); |
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45 self->ConstructL(); |
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46 CleanupStack::Pop( self ); |
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47 return self; |
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48 } |
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49 |
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50 //------------------------------------------------------------------------------ |
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51 // CPosRevGeoCodeXmlParser::~CPosRevGeoCodeXmlParser |
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52 //------------------------------------------------------------------------------ |
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53 CPosRevGeoCodeXmlParser::~CPosRevGeoCodeXmlParser() |
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54 { |
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55 FUNC("CPosRevGeoCodeXmlParser::~CPosRevGeoCodeXmlParser"); |
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56 delete iParser; |
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57 delete iBuffer; |
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58 } |
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59 |
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60 //------------------------------------------------------------------------------ |
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61 // CPosRevGeoCodeXmlParser::CPosRevGeoCodeXmlParser |
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62 //------------------------------------------------------------------------------ |
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63 CPosRevGeoCodeXmlParser::CPosRevGeoCodeXmlParser( MPosRevGeoCodeXmlObserver& aObserver ): |
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64 iObserver( aObserver ), |
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65 iParser( NULL ), |
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66 iBuffer( NULL ), |
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67 iThoroughfare( EFalse ) |
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68 { |
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69 FUNC("CPosRevGeoCodeXmlParser::CPosRevGeoCodeXmlParser"); |
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70 } |
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71 |
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72 //------------------------------------------------------------------------------ |
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73 // CPosRevGeoCodeXmlParser::ConstructL |
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74 //------------------------------------------------------------------------------ |
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75 void CPosRevGeoCodeXmlParser::ConstructL() |
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76 { |
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77 FUNC("CPosRevGeoCodeXmlParser::ConstructL"); |
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78 iParser = CParser::NewL( KXmlMimeType,*this ); |
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79 } |
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80 |
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81 //------------------------------------------------------------------------------ |
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82 // CPosRevGeoCodeXmlParser::StartParsingL |
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83 //------------------------------------------------------------------------------ |
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84 void CPosRevGeoCodeXmlParser::StartParsingL( HBufC8 *aXmlInfo, |
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85 CPosLandmark* aLandmarkInfo ) |
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86 { |
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87 FUNC("CPosRevGeoCodeXmlParser::StartParsingL"); |
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88 // Store client's landmark |
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89 iClientLandmark = aLandmarkInfo; |
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90 |
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91 if( iBuffer ) |
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92 { |
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93 delete iBuffer; |
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94 iBuffer = NULL; |
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95 } |
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96 |
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97 iBuffer = HBufC8::NewL( aXmlInfo->Size() ); |
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98 TPtr8 ptr = iBuffer->Des(); |
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99 ptr.Copy( aXmlInfo->Ptr(),aXmlInfo->Size() ); |
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100 |
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101 // Now, we have the whole file content in iBuffer. |
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102 // We are ready to parse the XML content. |
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103 iParser->ParseBeginL(); |
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104 iParser->ParseL( *iBuffer ); |
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105 |
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106 // Since we read the whole file contents within one-shot, |
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107 // we can call ParseEndL() right after calling ParseL(). |
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108 iParser->ParseEndL(); |
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109 } |
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110 |
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111 //------------------------------------------------------------------------------ |
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112 // CPosRevGeoCodeXmlParser::OnStartDocumentL |
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113 //------------------------------------------------------------------------------ |
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114 void CPosRevGeoCodeXmlParser::OnStartDocumentL( const RDocumentParameters& /*aDocParam*/, |
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115 TInt aErrorCode ) |
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116 { |
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117 FUNC("CPosRevGeoCodeXmlParser::OnStartDocumentL"); |
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118 if( aErrorCode != KErrNone ) |
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119 { |
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120 iObserver.OnParseCompletedL( aErrorCode ); |
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121 } |
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122 } |
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123 |
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124 //------------------------------------------------------------------------------ |
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125 // CPosRevGeoCodeXmlParser::OnEndDocumentL |
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126 //------------------------------------------------------------------------------ |
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127 void CPosRevGeoCodeXmlParser::OnEndDocumentL( TInt aErrorCode ) |
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128 { |
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129 FUNC("CPosRevGeoCodeXmlParser::OnEndDocumentL"); |
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130 iObserver.OnParseCompletedL( aErrorCode ); |
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131 } |
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132 |
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133 //------------------------------------------------------------------------------ |
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134 // CPosRevGeoCodeXmlParser::OnStartElementL |
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135 //------------------------------------------------------------------------------ |
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136 void CPosRevGeoCodeXmlParser::OnStartElementL( const RTagInfo& aElement, |
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137 const RAttributeArray& /*aAttributes*/, |
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138 TInt aErrorCode ) |
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139 { |
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140 FUNC("CPosRevGeoCodeXmlParser::OnStartElementL"); |
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141 if ( aErrorCode == KErrNone ) |
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142 { |
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143 // If we find the start of an element, we write to the screen, |
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144 // for example: "<tag>" |
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145 |
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146 if( !aElement.LocalName().DesC().Compare( KCountry ) ) |
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147 { |
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148 iCurrentElement = ECountryName; |
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149 } |
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150 else if( !aElement.LocalName().DesC().Compare( KState ) ) |
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151 { |
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152 iCurrentElement = EState; |
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153 } |
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154 else if( !aElement.LocalName().DesC().Compare( KCity ) ) |
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155 { |
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156 iCurrentElement = ECity; |
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157 } |
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158 else if( !aElement.LocalName().DesC().Compare( KDistrict ) ) |
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159 { |
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160 iCurrentElement = EDistrict; |
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161 } |
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162 else if( !aElement.LocalName().DesC().Compare( KPostalCode ) ) |
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163 { |
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164 iCurrentElement = EPostalCode; |
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165 } |
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166 else if( !aElement.LocalName().DesC().Compare( KThoroughfare ) ) |
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167 { |
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168 iThoroughfare = ETrue; |
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169 } |
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170 else if( !aElement.LocalName().DesC().Compare( KNameTag ) && iThoroughfare ) |
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171 { |
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172 iCurrentElement = EThoroughfareName; |
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173 } |
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174 else if( !aElement.LocalName().DesC().Compare( KNumberTag ) && iThoroughfare ) |
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175 { |
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176 iCurrentElement = EThoroughfareNumber; |
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177 } |
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178 else |
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179 { |
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180 // Nothing to be done here. |
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181 } |
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182 } |
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183 else |
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184 { |
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185 iObserver.OnParseCompletedL( aErrorCode ); |
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186 } |
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187 } |
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188 |
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189 //------------------------------------------------------------------------------ |
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190 // CPosRevGeoCodeXmlParser::OnEndElementL |
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191 //------------------------------------------------------------------------------ |
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192 void CPosRevGeoCodeXmlParser::OnEndElementL( const RTagInfo& /*aElement*/, TInt aErrorCode ) |
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193 { |
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194 FUNC("CPosRevGeoCodeXmlParser::OnEndElementL"); |
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195 if( aErrorCode == KErrNone ) |
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196 { |
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197 // at the end of the tag </tag> |
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198 //Set it to ENone |
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199 iCurrentElement = ENone; |
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200 iThoroughfare = EFalse; |
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201 } |
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202 else |
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203 { |
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204 iObserver.OnParseCompletedL( aErrorCode ); |
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205 } |
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206 } |
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207 |
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208 //------------------------------------------------------------------------------ |
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209 // CPosRevGeoCodeXmlParser::OnContentL |
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210 //------------------------------------------------------------------------------ |
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211 void CPosRevGeoCodeXmlParser::OnContentL( const TDesC8 &aBytes, TInt aErrorCode ) |
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212 { |
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213 FUNC("CPosRevGeoCodeXmlParser::OnContentL"); |
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214 if( aErrorCode == KErrNone ) |
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215 { |
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216 |
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217 if( iCurrentElement == ENone ) |
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218 { |
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219 //ignore if the current element is not there |
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220 return; |
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221 } |
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222 |
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223 // convert the content to UCS-2 |
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224 // from UTF-8 |
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225 RBuf buffer; |
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226 CleanupClosePushL(buffer); |
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227 buffer.CreateL( aBytes.Length() ); |
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228 CnvUtfConverter::ConvertToUnicodeFromUtf8( buffer,aBytes ); |
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229 |
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230 if( iCurrentElement == ECountryName ) |
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231 { |
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232 iClientLandmark->SetPositionFieldL( EPositionFieldCountry,buffer ); |
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233 } |
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234 else if( iCurrentElement == EState ) |
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235 { |
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236 iClientLandmark->SetPositionFieldL( EPositionFieldState,buffer ); |
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237 } |
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238 else if( iCurrentElement == EDistrict ) |
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239 { |
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240 iClientLandmark->SetPositionFieldL( EPositionFieldDistrict,buffer ); |
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241 } |
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242 else if( iCurrentElement == ECity ) |
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243 { |
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244 iClientLandmark->SetPositionFieldL( EPositionFieldCity,buffer ); |
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245 } |
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246 else if( iCurrentElement == EPostalCode ) |
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247 { |
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248 iClientLandmark->SetPositionFieldL( EPositionFieldPostalCode,buffer ); |
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249 } |
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250 else if( iCurrentElement == EThoroughfareName ) |
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251 { |
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252 iClientLandmark->SetPositionFieldL( EPositionFieldStreet,buffer ); |
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253 } |
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254 else if( iCurrentElement == EThoroughfareNumber ) |
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255 { |
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256 iClientLandmark->SetPositionFieldL( EPositionFieldStreetExtension,buffer ); |
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257 } |
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258 else |
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259 { |
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260 // Nothing to be done here. |
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261 } |
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262 CleanupStack::PopAndDestroy( &buffer ); |
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263 } |
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264 else |
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265 { |
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266 iObserver.OnParseCompletedL( aErrorCode ); |
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267 } |
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268 } |
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269 |
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270 //------------------------------------------------------------------------------ |
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271 // CPosRevGeoCodeXmlParser::OnStartPrefixMappingL |
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272 //------------------------------------------------------------------------------ |
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273 void CPosRevGeoCodeXmlParser::OnStartPrefixMappingL( const RString& /*aPrefix*/, |
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274 const RString& /*aUri*/, |
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275 TInt aErrorCode ) |
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276 { |
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277 FUNC("CPosRevGeoCodeXmlParser::OnStartPrefixMappingL"); |
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278 if( aErrorCode != KErrNone ) |
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279 { |
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280 iObserver.OnParseCompletedL( aErrorCode ); |
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281 } |
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282 } |
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283 |
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284 //------------------------------------------------------------------------------ |
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285 // CPosRevGeoCodeXmlParser::OnEndPrefixMappingL |
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286 //------------------------------------------------------------------------------ |
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287 void CPosRevGeoCodeXmlParser::OnEndPrefixMappingL( const RString& /*aPrefix*/, |
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288 TInt aErrorCode ) |
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289 { |
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290 FUNC("CPosRevGeoCodeXmlParser::OnEndPrefixMappingL"); |
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291 if( aErrorCode != KErrNone ) |
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292 { |
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293 iObserver.OnParseCompletedL( aErrorCode ); |
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294 } |
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295 } |
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296 |
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297 //------------------------------------------------------------------------------ |
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298 // CPosRevGeoCodeXmlParser::OnIgnorableWhiteSpaceL |
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299 //------------------------------------------------------------------------------ |
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300 void CPosRevGeoCodeXmlParser::OnIgnorableWhiteSpaceL( const TDesC8& /*aBytes*/, |
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301 TInt aErrorCode ) |
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302 { |
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303 FUNC("CPosRevGeoCodeXmlParser::OnIgnorableWhiteSpaceL"); |
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304 if( aErrorCode != KErrNone ) |
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305 { |
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306 iObserver.OnParseCompletedL( aErrorCode ); |
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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 // CPosRevGeoCodeXmlParser::OnSkippedEntityL |
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312 //------------------------------------------------------------------------------ |
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313 void CPosRevGeoCodeXmlParser::OnSkippedEntityL( const RString& /*aName*/, |
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314 TInt aErrorCode ) |
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315 { |
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316 FUNC("CPosRevGeoCodeXmlParser::OnSkippedEntityL"); |
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317 if( aErrorCode != KErrNone ) |
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318 { |
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319 iObserver.OnParseCompletedL( aErrorCode ); |
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320 } |
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321 } |
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322 |
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323 //------------------------------------------------------------------------------ |
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324 // CPosRevGeoCodeXmlParser::OnProcessingInstructionL |
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325 //------------------------------------------------------------------------------ |
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326 void CPosRevGeoCodeXmlParser::OnProcessingInstructionL( const TDesC8& /*aTarget*/, |
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327 const TDesC8& /*aData*/, |
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328 TInt aErrorCode ) |
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329 { |
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330 FUNC("CPosRevGeoCodeXmlParser::OnProcessingInstructionL"); |
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331 if( aErrorCode != KErrNone ) |
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332 { |
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333 iObserver.OnParseCompletedL( aErrorCode ); |
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334 } |
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335 } |
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336 |
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337 //------------------------------------------------------------------------------ |
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338 // CPosRevGeoCodeXmlParser::OnError |
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339 //------------------------------------------------------------------------------ |
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340 void CPosRevGeoCodeXmlParser::OnError( TInt aErrorCode ) |
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341 { |
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342 FUNC("CPosRevGeoCodeXmlParser::OnError"); |
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343 TRAP_IGNORE( iObserver.OnParseCompletedL( aErrorCode ) ); |
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344 } |
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345 |
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346 //------------------------------------------------------------------------------ |
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347 // CPosRevGeoCodeXmlParser::GetExtendedInterface |
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348 //------------------------------------------------------------------------------ |
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349 TAny* CPosRevGeoCodeXmlParser::GetExtendedInterface( const TInt32 /*aUid*/ ) |
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350 { |
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351 FUNC("CPosRevGeoCodeXmlParser::GetExtendedInterface"); |
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352 return NULL; |
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353 } |
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354 |
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355 // End of File |