1 /* |
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2 * Copyright (c) 2005 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: CXdmXmlContentHandler |
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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 <XdmDocument.h> |
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21 #include <contenthandler.h> |
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22 #include <XdmDocumentNode.h> |
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23 #include <XdmNodeAttribute.h> |
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24 #include "XdmNamespaceContainer.h" |
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25 #include "XdmXmlParser.h" |
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26 #include "XdmNodeInterface.h" |
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27 #include "XmlParserNodePath.h" |
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28 #include "XdmXmlContentHandler.h" |
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29 |
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30 // --------------------------------------------------------- |
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31 // CXdmXmlContentHandler::CXdmXmlContentHandler |
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32 // |
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33 // --------------------------------------------------------- |
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34 // |
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35 CXdmXmlContentHandler::CXdmXmlContentHandler( CXdmXmlParser& aParserMain ) : |
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36 iFinished( EFalse ), |
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37 iTargetFound( EFalse ), |
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38 iPartialDocument( EFalse ), |
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39 iParserMain( aParserMain ) |
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40 |
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41 { |
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42 } |
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43 |
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44 // --------------------------------------------------------- |
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45 // CXdmXmlContentHandler::NewL |
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46 // |
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47 // --------------------------------------------------------- |
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48 // |
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49 CXdmXmlContentHandler* CXdmXmlContentHandler::NewL( CXdmXmlParser& aParserMain ) |
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50 { |
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51 CXdmXmlContentHandler* self = new ( ELeave ) CXdmXmlContentHandler( aParserMain ); |
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52 CleanupStack::PushL( self ); |
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53 self->ConstructL(); |
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54 CleanupStack::Pop(); |
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55 return self; |
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56 } |
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57 |
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58 // --------------------------------------------------------- |
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59 // CXdmXmlContentHandler::ConstructL |
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60 // |
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61 // --------------------------------------------------------- |
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62 // |
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63 void CXdmXmlContentHandler::ConstructL() |
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64 { |
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65 iContentBuffer = CBufFlat::NewL( 50 ); |
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66 } |
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67 |
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68 // --------------------------------------------------------- |
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69 // CXdmXmlContentHandler::~CXdmXmlContentHandler |
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70 // |
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71 // --------------------------------------------------------- |
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72 // |
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73 CXdmXmlContentHandler::~CXdmXmlContentHandler() |
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74 { |
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75 delete iNodePath; |
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76 delete iContentBuffer; |
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77 } |
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78 |
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79 // --------------------------------------------------------- |
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80 // CXdmXmlContentHandler::SetTarget |
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81 // |
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82 // --------------------------------------------------------- |
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83 // |
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84 void CXdmXmlContentHandler::SetTarget( const CXdmDocument& aTargetDocument ) |
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85 { |
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86 iTargetDocument = CONST_CAST( CXdmDocument*, &aTargetDocument ); |
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87 iRootNode = iTargetDocument->DocumentRoot(); |
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88 iDocumentSubset = NULL; |
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89 iIsRootNode = ETrue; |
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90 } |
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91 |
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92 // --------------------------------------------------------- |
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93 // CXdmXmlContentHandler::SetTarget |
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94 // |
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95 // --------------------------------------------------------- |
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96 // |
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97 void CXdmXmlContentHandler::SetTarget( const CXdmDocumentNode& aDocumentRoot ) |
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98 { |
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99 iTargetDocument = NULL; |
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100 iRootNode = CONST_CAST( CXdmDocumentNode*, &aDocumentRoot ); |
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101 iDocumentSubset = NULL; |
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102 iIsRootNode = ETrue; |
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103 } |
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104 |
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105 // --------------------------------------------------------- |
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106 // CXdmXmlContentHandler::SetTarget |
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107 // |
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108 // --------------------------------------------------------- |
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109 // |
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110 void CXdmXmlContentHandler::SetTargetL( const CXdmDocument& aTargetDocument, |
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111 const CXdmDocumentNode& aTargetNode ) |
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112 { |
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113 iElementType = aTargetNode.ElementType(); |
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114 iTargetDocument = CONST_CAST( CXdmDocument*, &aTargetDocument ); |
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115 if( iElementType == EXdmElementAttribute ) |
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116 { |
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117 iTargetAttribute = ( CXdmNodeAttribute* )&aTargetNode; |
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118 iDocumentSubset = CONST_CAST( CXdmDocumentNode*, aTargetNode.Parent() ); |
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119 } |
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120 else |
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121 { |
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122 iTargetAttribute = NULL; |
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123 iDocumentSubset = CONST_CAST( CXdmDocumentNode*, &aTargetNode ); |
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124 } |
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125 iNodePath = CXmlParserNodePath::NewL( iParserMain, iElementType, *iDocumentSubset, this ); |
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126 iRootNode = iDocumentSubset; |
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127 iPartialDocument = ETrue; |
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128 iCurrentNode = NULL; |
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129 } |
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130 |
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131 // --------------------------------------------------------- |
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132 // CXdmXmlContentHandler::TargetAttribute |
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133 // |
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134 // --------------------------------------------------------- |
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135 // |
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136 CXdmNodeAttribute* CXdmXmlContentHandler::TargetAttribute() const |
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137 { |
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138 return iTargetAttribute; |
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139 } |
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140 |
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141 // --------------------------------------------------------- |
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142 // CXdmXmlContentHandler::Reset |
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143 // |
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144 // --------------------------------------------------------- |
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145 // |
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146 void CXdmXmlContentHandler::Reset() |
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147 { |
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148 iTargetDocument = NULL; |
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149 iTargetAttribute = NULL; |
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150 iDocumentSubset = NULL; |
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151 iRootNode = NULL; |
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152 iCurrentNode = NULL; |
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153 delete iNodePath; |
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154 iNodePath = NULL; |
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155 iFinished = EFalse; |
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156 iTargetFound = EFalse; |
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157 iPartialDocument = EFalse; |
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158 } |
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159 |
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160 // --------------------------------------------------------- |
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161 // CXdmXmlContentHandler::GetExtendedInterface |
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162 // |
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163 // --------------------------------------------------------- |
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164 // |
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165 TAny* CXdmXmlContentHandler::GetExtendedInterface( const TInt32 /*aUid*/ ) |
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166 { |
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167 return NULL; |
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168 } |
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169 |
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170 // --------------------------------------------------------- |
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171 // CXdmXmlContentHandler::OnContentL |
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172 // |
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173 // --------------------------------------------------------- |
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174 // |
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175 void CXdmXmlContentHandler::OnContentL( const TDesC8 &aBytes, |
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176 TInt aErrorCode ) |
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177 { |
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178 #ifdef _DEBUG |
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179 iParserMain.WriteToLog( _L8( "CXmlNode::OnContentL()" ), aErrorCode ); |
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180 iParserMain.WriteToLog( _L8( " Bytes: %S" ), &aBytes ); |
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181 iParserMain.WriteToLog( _L8( " Error: %d" ), aErrorCode ); |
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182 #endif |
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183 if( iPartialDocument && !iTargetFound ) |
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184 return; |
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185 TInt length = aBytes.Length(); |
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186 TPtr8 desc( CONST_CAST( TUint8*, aBytes.Ptr() ), length, length ); |
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187 desc.TrimAll(); |
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188 if( desc.Length() > 0 ) |
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189 { |
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190 iContentBuffer->InsertL( iContentIndex, desc ); |
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191 iContentIndex = iContentIndex + desc.Length(); |
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192 } |
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193 } |
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194 |
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195 // --------------------------------------------------------- |
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196 // CXdmXmlContentHandler::OnEndDocumentL |
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197 // |
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198 // --------------------------------------------------------- |
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199 // |
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200 void CXdmXmlContentHandler::OnEndDocumentL( TInt aErrorCode ) |
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201 { |
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202 iIsRootNode = ETrue; |
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203 #ifdef _DEBUG |
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204 iParserMain.WriteToLog( _L8( "CXmlNode::OnEndDocumentL() - Error: %d "), aErrorCode ); |
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205 #endif |
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206 } |
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207 |
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208 // --------------------------------------------------------- |
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209 // CXdmXmlContentHandler::OnEndElementL |
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210 // |
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211 // --------------------------------------------------------- |
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212 // |
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213 void CXdmXmlContentHandler::OnEndElementL( const RTagInfo &aElement, |
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214 TInt aErrorCode ) |
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215 { |
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216 TPtrC8 element( aElement.LocalName().DesC() ); |
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217 #ifdef _DEBUG |
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218 iParserMain.WriteToLog( _L8( "CXmlNode::OnEndElementL() - Element: %S Error: %d "), |
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219 &element, aErrorCode ); |
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220 #endif |
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221 if( iCurrentNode != NULL && iContentBuffer->Size() > 0 ) |
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222 { |
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223 TPtrC8 data( iContentBuffer->Ptr( 0 ) ); |
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224 iCurrentNode->SetLeafNode( ETrue ); |
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225 iCurrentNode->SetLeafNodeContentL( data ); |
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226 iContentBuffer->Reset(); |
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227 iContentIndex = 0; |
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228 } |
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229 if( iCurrentNode != NULL && iCurrentNode->NodeCount() == 0 ) |
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230 iCurrentNode->SetEmptyNode( ETrue ); |
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231 if( iPartialDocument ) |
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232 { |
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233 if( !iFinished ) |
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234 { |
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235 if( iCurrentNode != NULL ) |
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236 { |
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237 CXdmDocumentNode* parent = iCurrentNode->Parent(); |
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238 #ifdef _DEBUG |
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239 TBuf8<64> parentName; |
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240 TBuf8<64> currentName; |
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241 parentName.Copy( parent->NodeName() ); |
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242 currentName.Copy( iCurrentNode->NodeName() ); |
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243 iParserMain.WriteToLog( _L8( " Parent: %x - %S "), parent, &parentName ); |
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244 iParserMain.WriteToLog( _L8( " Current: %x - %S"), iCurrentNode, ¤tName ); |
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245 #endif |
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246 if( parent != NULL && iCurrentNode != parent ) |
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247 iCurrentNode = iCurrentNode->Parent(); |
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248 iFinished = iCurrentNode == iDocumentSubset->Parent(); |
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249 if( iFinished ) |
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250 iCurrentNode = NULL; |
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251 #ifdef _DEBUG |
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252 iParserMain.WriteToLog( _L8( " Current: %x"), iCurrentNode ); |
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253 #endif |
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254 } |
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255 } |
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256 } |
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257 else if ( iCurrentNode ) |
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258 { |
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259 iCurrentNode = iCurrentNode->Parent(); |
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260 } |
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261 else |
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262 { |
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263 // For PC-lint note |
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264 } |
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265 } |
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266 |
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267 // --------------------------------------------------------- |
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268 // CXdmXmlContentHandler::OnEndPrefixMappingL |
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269 // |
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270 // --------------------------------------------------------- |
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271 // |
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272 void CXdmXmlContentHandler::OnEndPrefixMappingL( const RString& /*aPrefix*/, |
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273 TInt aErrorCode ) |
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274 { |
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275 #ifdef _DEBUG |
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276 iParserMain.WriteToLog( _L8( "CXmlNode::OnEndPrefixMappingL() - Error: %d "), aErrorCode ); |
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277 #endif |
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278 } |
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279 |
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280 // --------------------------------------------------------- |
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281 // CXdmXmlContentHandler::OnError |
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282 // |
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283 // --------------------------------------------------------- |
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284 // |
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285 void CXdmXmlContentHandler::OnError( TInt aErrorCode ) |
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286 { |
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287 #ifdef _DEBUG |
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288 iParserMain.WriteToLog( _L8( "CXmlNode::OnError() - Error: %d" ), aErrorCode ); |
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289 #endif |
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290 } |
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291 |
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292 // --------------------------------------------------------- |
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293 // CXdmXmlContentHandler::OnIgnorableWhiteSpaceL |
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294 // |
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295 // --------------------------------------------------------- |
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296 // |
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297 void CXdmXmlContentHandler::OnIgnorableWhiteSpaceL( const TDesC8& /*aBytes*/, |
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298 TInt /*aErrorCode*/ ) |
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299 { |
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300 #ifdef _DEBUG |
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301 //iParserMain.WriteToLog( _L8( "CXmlNode::OnIgnorableWhiteSpaceL() - Error: %d" ), aErrorCode ); |
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302 #endif |
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303 } |
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304 |
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305 // --------------------------------------------------------- |
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306 // CXdmXmlContentHandler::OnProcessingInstructionL |
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307 // |
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308 // --------------------------------------------------------- |
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309 // |
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310 void CXdmXmlContentHandler::OnProcessingInstructionL( const TDesC8& /*aTarget*/, |
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311 const TDesC8& /*aData*/, |
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312 TInt /*aErrorCode*/ ) |
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313 { |
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314 #ifdef _DEBUG |
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315 // iParserMain.WriteToLog( _L8( "CXmlNode::OnProcessingInstructionL() - Error: %d" ), aErrorCode ); |
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316 #endif |
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317 } |
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318 |
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319 // --------------------------------------------------------- |
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320 // CXdmXmlContentHandler::OnSkippedEntityL |
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321 // |
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322 // --------------------------------------------------------- |
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323 // |
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324 void CXdmXmlContentHandler::OnSkippedEntityL( const RString& /*aName*/, |
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325 TInt /*aErrorCode*/ ) |
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326 { |
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327 #ifdef _DEBUG |
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328 //iParserMain.WriteToLog( _L8( "CXmlNode::OnSkippedEntityL() - Error: %d" ), aErrorCode ); |
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329 #endif |
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330 } |
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331 |
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332 // --------------------------------------------------------- |
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333 // CXdmXmlContentHandler::OnStartDocumentL |
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334 // |
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335 // --------------------------------------------------------- |
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336 // |
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337 void CXdmXmlContentHandler::OnStartDocumentL( const RDocumentParameters& /*aDocParam*/, TInt aErrorCode ) |
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338 { |
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339 #ifdef _DEBUG |
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340 iParserMain.WriteToLog( _L8( "CXmlNode::OnStartDocumentL() - Error: %d "), aErrorCode ); |
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341 #endif |
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342 } |
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343 |
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344 // --------------------------------------------------------- |
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345 // CXdmXmlContentHandler::OnStartElementL |
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346 // |
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347 // --------------------------------------------------------- |
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348 // |
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349 void CXdmXmlContentHandler::OnStartElementL( const RTagInfo& aElement, |
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350 const RAttributeArray& aAttributes, |
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351 TInt aErrorCode ) |
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352 { |
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353 TPtrC8 name( aElement.LocalName().DesC() ); |
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354 TPtrC8 uri( aElement.Uri().DesC() ); |
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355 TPtrC8 prefix( aElement.Prefix().DesC() ); |
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356 #ifdef _DEBUG |
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357 iParserMain.WriteToLog( _L8( "CXmlNode::OnStartElementL(): Error: %d" ), aErrorCode ); |
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358 iParserMain.WriteToLog( _L8( " URI: %S" ), &uri ); |
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359 iParserMain.WriteToLog( _L8( " Name: %S" ), &name ); |
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360 iParserMain.WriteToLog( _L8( " Prefix: %S" ), &prefix ); |
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361 #endif |
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362 if( iPartialDocument ) |
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363 { |
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364 if( !iFinished ) |
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365 { |
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366 if( iTargetFound ) |
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367 { |
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368 iCurrentNode = iCurrentNode->CreateChileNodeL(); |
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369 HandleNextElementL( aElement, aAttributes ); |
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370 } |
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371 else |
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372 { |
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373 if( iNodePath->CheckNextNodeL( name, aAttributes ) ) |
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374 { |
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375 if( iElementType == EXdmElementAttribute ) |
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376 AppendAttributeValueL( aAttributes ); |
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377 else |
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378 { |
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379 iTargetFound = ETrue; |
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380 iCurrentNode = iDocumentSubset; |
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381 } |
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382 } |
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383 } |
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384 } |
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385 } |
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386 else |
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387 { |
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388 iCurrentNode = iIsRootNode ? iRootNode : iCurrentNode->CreateChileNodeL(); |
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389 HandleNextElementL( aElement, aAttributes ); |
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390 iIsRootNode = EFalse; |
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391 } |
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392 } |
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393 |
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394 // --------------------------------------------------------- |
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395 // CXdmXmlContentHandler::HandleNextElementL |
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396 // |
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397 // --------------------------------------------------------- |
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398 // |
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399 void CXdmXmlContentHandler::HandleNextElementL( const RTagInfo& aElement, |
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400 const RAttributeArray& aAttributes ) |
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401 { |
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402 #ifdef _DEBUG |
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403 //iParserMain.WriteToLog( _L8( "CXdmXmlContentHandler::HandleNextElementL()") ); |
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404 #endif |
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405 iCurrentNode->SetNameL( aElement.LocalName().DesC() ); |
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406 SetNamespaceInformationL( aElement, iCurrentNode ); |
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407 TInt count = aAttributes.Count(); |
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408 if( count > 0 ) |
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409 { |
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410 CXdmNodeAttribute* attribute = NULL; |
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411 for( TInt i = 0;i < count;i++ ) |
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412 { |
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413 attribute = iCurrentNode->CreateAttributeL(); |
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414 CleanupStack::PushL( attribute ); |
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415 attribute->SetNameL( aAttributes[i].Attribute().LocalName().DesC() ); |
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416 attribute->SetAttributeValueL( aAttributes[i].Value().DesC() ); |
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417 CleanupStack::Pop(); //attribute |
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418 } |
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419 } |
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420 } |
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421 |
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422 // --------------------------------------------------------- |
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423 // CXdmXmlContentHandler::CompileAttributesL |
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424 // |
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425 // --------------------------------------------------------- |
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426 // |
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427 void CXdmXmlContentHandler::AppendAttributeValueL( const RAttributeArray& aAttributes ) |
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428 { |
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429 #ifdef _DEBUG |
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430 //iParserMain.WriteToLog( _L8( "CXdmXmlContentHandler::AppendAttributeValueL()") ); |
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431 #endif |
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432 TInt count = aAttributes.Count(); |
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433 TPtrC8 targetName( iTargetAttribute->EightBitNodeNameLC()->Des() ); |
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434 for( TInt i = 0;!iFinished && i < count;i++ ) |
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435 { |
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436 TPtrC8 desc = aAttributes[i].Attribute().LocalName().DesC(); |
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437 #ifdef _DEBUG |
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438 iParserMain.WriteToLog( _L8( " Name of attribute %d: %S"), i, &desc ); |
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439 #endif |
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440 if( targetName.Compare( desc ) == 0 ) |
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441 { |
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442 iFinished = ETrue; |
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443 TPtrC8 value( aAttributes[i].Value().DesC() ); |
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444 iTargetAttribute->SetAttributeValueL( value ); |
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445 } |
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446 } |
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447 CleanupStack::PopAndDestroy(); //desc |
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448 } |
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449 |
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450 // --------------------------------------------------------- |
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451 // CXdmXmlContentHandler::OnStartPrefixMappingL |
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452 // |
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453 // --------------------------------------------------------- |
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454 // |
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455 void CXdmXmlContentHandler::OnStartPrefixMappingL( const RString& aPrefix, |
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456 const RString& aUri, |
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457 TInt aErrorCode ) |
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458 { |
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459 #ifdef _DEBUG |
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460 iParserMain.WriteToLog( _L8( "CXdmXmlContentHandler::OnStartPrefixMappingL() - Error: %d" ), aErrorCode ); |
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461 #endif |
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462 AppendNameSpaceL( aPrefix.DesC(), aUri.DesC() ); |
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463 } |
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464 |
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465 // --------------------------------------------------------- |
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466 // CXdmXmlContentHandler::IsWhiteSpace |
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467 // |
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468 // --------------------------------------------------------- |
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469 // |
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470 TBool CXdmXmlContentHandler::IsWhiteSpace( const TDesC8 &aBytes ) const |
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471 { |
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472 #ifdef _DEBUG |
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473 //iParserMain.WriteToLog( _L8( "CXdmXmlContentHandler::IsWhiteSpace()") ); |
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474 #endif |
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475 TBool ret = ETrue; |
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476 if( aBytes.Length() > 0 ) |
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477 { |
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478 TChar ch = aBytes[0]; |
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479 ret = ch == 32 || ch == 10 || ch == 13 || ch == 9; |
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480 } |
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481 return ret; |
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482 } |
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483 |
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484 // --------------------------------------------------------- |
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485 // CXdmXmlContentHandler::AppendNameSpaceL |
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486 // |
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487 // --------------------------------------------------------- |
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488 // |
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489 void CXdmXmlContentHandler::AppendNameSpaceL( const TDesC8& aPrefix, const TDesC8& aUri ) |
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490 { |
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491 #ifdef _DEBUG |
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492 //iParserMain.WriteToLog( _L8( "CXdmXmlContentHandler::SetNameSpaceInformationL()") ); |
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493 #endif |
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494 if( iTargetDocument != NULL ) |
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495 { |
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496 MXdmNamespaceContainer* container = iTargetDocument; |
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497 container->AppendNamespaceL( aUri, aPrefix ); |
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498 } |
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499 } |
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500 |
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501 // --------------------------------------------------------- |
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502 // CXdmXmlContentHandler::SetNameSpaceInformationL |
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503 // |
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504 // --------------------------------------------------------- |
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505 // |
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506 void CXdmXmlContentHandler::SetNamespaceInformationL( const RTagInfo& aElement, |
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507 MXdmNodeInterface* aXcapNode ) |
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508 { |
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509 #ifdef _DEBUG |
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510 //iParserMain.WriteToLog( _L8( "CXdmXmlContentHandler::SetNameSpaceInformationL()") ); |
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511 #endif |
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512 TPtrC8 prefix( aElement.Prefix().DesC() ); |
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513 if( prefix.Length() > 0 ) |
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514 { |
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515 aXcapNode->SetPrefixL( prefix ); |
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516 } |
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517 } |
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518 |
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519 // End of File |
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