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: CXmlFormatter |
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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 |
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21 // INCLUDES |
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22 #include <XdmDocument.h> |
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23 #include <XdmDocumentNode.h> |
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24 #include <XdmNodeAttribute.h> |
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25 #include "XmlFormatter.h" |
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26 #include "XmlParserDefines.h" |
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27 #include "XmlParserNodePath.h" |
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28 |
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29 // ---------------------------------------------------------- |
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30 // CXmlFormatter::CXmlFormatter |
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31 // |
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32 // ---------------------------------------------------------- |
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33 // |
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34 CXmlFormatter::CXmlFormatter( CXdmXmlParser& aParserMain ) : |
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35 iTargetFound( EFalse ), |
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36 iIsAppended( EFalse ), |
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37 iParserMain( aParserMain ) |
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38 { |
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39 } |
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40 |
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41 // ---------------------------------------------------------- |
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42 // CXmlFormatter::NewL |
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43 // |
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44 // ---------------------------------------------------------- |
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45 // |
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46 CXmlFormatter* CXmlFormatter::NewL( CXdmXmlParser& aParserMain ) |
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47 { |
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48 CXmlFormatter* self = new ( ELeave ) CXmlFormatter( aParserMain ); |
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49 CleanupStack::PushL( self ); |
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50 self->ConstructL(); |
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51 CleanupStack::Pop(); |
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52 return self; |
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53 } |
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54 |
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55 // ---------------------------------------------------------- |
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56 // CXmlFormatter::~CXmlFormatter |
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57 // |
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58 // ---------------------------------------------------------- |
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59 // |
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60 CXmlFormatter::~CXmlFormatter() |
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61 { |
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62 } |
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63 |
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64 // ---------------------------------------------------------- |
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65 // CXmlFormatter::ConstructL |
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66 // |
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67 // ---------------------------------------------------------- |
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68 // |
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69 void CXmlFormatter::ConstructL() |
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70 { |
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71 } |
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72 |
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73 // --------------------------------------------------------- |
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74 // CXmlFormatter::Prefix |
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75 // |
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76 // --------------------------------------------------------- |
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77 // |
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78 TPtrC8 CXmlFormatter::Prefix( const MXdmNodeInterface& aInterface ) |
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79 { |
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80 return aInterface.Prefix(); |
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81 } |
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82 |
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83 // --------------------------------------------------------- |
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84 // CXdmXmlContentHandler::Reset |
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85 // |
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86 // --------------------------------------------------------- |
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87 // |
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88 CXdmNodeAttribute* CXmlFormatter::TargetAttribute() const |
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89 { |
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90 return iTargetAttribute; |
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91 } |
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92 |
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93 // --------------------------------------------------------- |
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94 // CXmlFormatter::FindElementName |
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95 // |
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96 // --------------------------------------------------------- |
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97 // |
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98 TPtrC8 CXmlFormatter::FindElementName( const TDesC8& aElementString ) |
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99 { |
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100 TInt index = aElementString.LocateF( 32 ); |
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101 if( index > 0 ) |
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102 return aElementString.Left( index ); |
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103 else return aElementString; |
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104 } |
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105 |
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106 // --------------------------------------------------------- |
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107 // CXmlFormatter::ResetFormatBuffer |
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108 // |
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109 // --------------------------------------------------------- |
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110 // |
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111 void CXmlFormatter::ResetFormatBuffer() |
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112 { |
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113 iFormBufferPos = 0; |
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114 delete iFormatBuffer; |
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115 iFormatBuffer = NULL; |
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116 delete iNodePath; |
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117 iNodePath = NULL; |
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118 } |
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119 |
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120 |
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121 // --------------------------------------------------------- |
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122 // CXmlFormatter::BufferToStringLC |
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123 // |
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124 // --------------------------------------------------------- |
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125 // |
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126 HBufC8* CXmlFormatter::BufferToStringLC() |
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127 { |
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128 HBufC8* ret = HBufC8::NewLC( iFormatBuffer->Size() ); |
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129 TPtr8 pointer( ret->Des() ); |
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130 iFormatBuffer->Read( 0, pointer, iFormatBuffer->Size() ); |
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131 ResetFormatBuffer(); |
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132 return ret; |
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133 } |
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134 |
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135 // --------------------------------------------------------- |
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136 // CXmlFormatter::CheckSubsetPath |
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137 // |
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138 // --------------------------------------------------------- |
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139 // |
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140 void CXmlFormatter::CheckSubsetPath( const CXdmDocumentNode& aNode ) |
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141 { |
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142 iTargetFound = iNodePath->CheckNextNode( aNode ); |
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143 } |
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144 |
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145 // ---------------------------------------------------------- |
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146 // CXmlFormatter::FormatLC |
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147 // |
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148 // ---------------------------------------------------------- |
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149 // |
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150 HBufC8* CXmlFormatter::FormatLC( const TDesC8& aXmlFragment, |
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151 const CXdmDocument* aDocument, |
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152 const CXdmDocumentNode* aTargetNode ) |
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153 { |
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154 iIsAppended = EFalse; |
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155 iTargetFound = EFalse; |
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156 TBool addToRoot = EFalse; |
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157 iFormatBuffer = CBufSeg::NewL( 128 ); |
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158 iElementType = aTargetNode->ElementType(); |
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159 iDocumentFragment.Set( aXmlFragment ); |
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160 iNodePath = CXmlParserNodePath::NewL( iParserMain, iElementType, *aTargetNode, this ); |
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161 CXdmDocumentNode* element = aDocument->DocumentRoot(); |
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162 CXdmDocumentNode* root = element; |
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163 CheckSubsetPath( *root ); |
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164 if( iTargetFound ) |
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165 { |
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166 addToRoot = ETrue; |
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167 iIsAppended = ETrue; |
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168 } |
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169 iFormatBuffer->InsertL( iFormBufferPos, KXmldocumentStart ); |
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170 iFormBufferPos = iFormBufferPos + KXmldocumentStart().Length(); |
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171 FormatNamespaceDeclarationsL( *root, *aDocument ); |
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172 TInt count = element->NodeCount(); |
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173 if( count > 0 ) |
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174 { |
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175 for( TInt i = 0;i < count;i++ ) |
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176 { |
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177 element = element->ChileNode( i ); |
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178 FormatElementsL( element ); |
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179 } |
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180 } |
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181 else FormatElementsL( element ); |
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182 if( addToRoot ) |
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183 AppendXmlFragmentL(); |
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184 TPtrC8 name( root->EightBitNodeNameLC()->Des() ); |
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185 TPtrC8 prefix = root->Prefix(); |
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186 FormatElementEndL( prefix, name ); |
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187 CleanupStack::PopAndDestroy(); //EightBitNodeNameLC() |
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188 HBufC8* ret = BufferToStringLC(); |
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189 return ret; |
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190 } |
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191 |
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192 // --------------------------------------------------------- |
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193 // CXmlFormatter::FormatElementsL |
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194 // |
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195 // --------------------------------------------------------- |
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196 // |
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197 void CXmlFormatter::FormatElementsL( CXdmDocumentNode* aCurrentNode ) |
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198 { |
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199 TBool ready = EFalse; |
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200 TBool addNow = EFalse; |
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201 if( !iTargetFound && !iIsAppended ) |
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202 { |
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203 CheckSubsetPath( *aCurrentNode ); |
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204 addNow = iTargetFound && !iIsAppended; |
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205 } |
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206 TPtrC8 prefix = Prefix( *aCurrentNode ); |
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207 TPtr8 pointer( aCurrentNode->ElementDataLC()->Des() ); |
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208 FormatElementStartL( prefix, pointer ); |
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209 while( !ready ) |
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210 { |
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211 if( aCurrentNode->IsLeafNode() ) |
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212 FormatLeafElementL( aCurrentNode ); |
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213 TInt nodeCount = aCurrentNode->NodeCount(); |
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214 if( nodeCount > 0 ) |
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215 { |
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216 CXdmDocumentNode* child = NULL; |
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217 for( TInt i = 0;i < nodeCount;i++ ) |
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218 { |
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219 child = aCurrentNode->ChileNode( i ); |
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220 child->IsEmptyNode() && !child->IsLeafNode() ? |
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221 FormatEmptyElementL( child ): |
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222 FormatElementsL( child ); |
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223 } |
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224 ready = ETrue; |
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225 } |
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226 else ready = ETrue; |
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227 } |
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228 if( addNow ) |
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229 AppendXmlFragmentL(); |
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230 FormatElementEndL( prefix, FindElementName( pointer ) ); |
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231 CleanupStack::PopAndDestroy(); //ElementDataLC() |
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232 } |
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233 |
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234 // --------------------------------------------------------- |
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235 // CXmlFormatter::AppendXmlFragmentL |
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236 // |
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237 // --------------------------------------------------------- |
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238 // |
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239 void CXmlFormatter::AppendXmlFragmentL() |
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240 { |
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241 iFormatBuffer->InsertL( iFormBufferPos, iDocumentFragment ); |
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242 iFormBufferPos = iFormBufferPos + iDocumentFragment.Length(); |
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243 iIsAppended = ETrue; |
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244 } |
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245 |
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246 // ---------------------------------------------------------- |
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247 // CXmlFormatter::FormatLC |
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248 // |
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249 // ---------------------------------------------------------- |
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250 // |
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251 HBufC8* CXmlFormatter::FormatLC( TBool aIsWholeDocument, |
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252 const CXdmDocument* aDocument, |
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253 const CXdmDocumentNode* aRootNode ) |
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254 { |
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255 iIsAppended = ETrue; |
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256 iFormatBuffer = CBufSeg::NewL( 128 ); |
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257 CXdmDocumentNode* root = CONST_CAST( CXdmDocumentNode*, aRootNode ); |
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258 if( aIsWholeDocument ) |
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259 { |
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260 CXdmDocumentNode* element = NULL; |
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261 iFormatBuffer->InsertL( iFormBufferPos, KXmldocumentStart ); |
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262 iFormBufferPos = iFormBufferPos + KXmldocumentStart().Length(); |
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263 FormatNamespaceDeclarationsL( *root, *aDocument ); |
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264 TInt count = root->NodeCount(); |
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265 if( count > 0 ) |
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266 { |
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267 for( TInt i = 0;i < count;i++ ) |
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268 { |
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269 element = root->ChileNode( i ); |
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270 FormatElementsL( element ); |
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271 } |
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272 } |
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273 } |
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274 else FormatElementsL( root ); |
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275 if( aIsWholeDocument ) |
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276 { |
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277 TPtrC8 name( aRootNode->EightBitNodeNameLC()->Des() ); |
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278 TPtrC8 prefix = aRootNode->Prefix(); |
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279 FormatElementEndL( prefix, name ); |
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280 CleanupStack::PopAndDestroy(); //EightBitNodeNameLC() |
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281 } |
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282 HBufC8* ret = BufferToStringLC(); |
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283 return ret; |
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284 } |
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285 |
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286 // ---------------------------------------------------------- |
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287 // CXmlFormatter::FormatNamespaceDeclarationsL |
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288 // |
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289 // ---------------------------------------------------------- |
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290 // |
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291 void CXmlFormatter::FormatNamespaceDeclarationsL( const CXdmDocumentNode& aRootNode, |
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292 const MXdmNamespaceContainer& aContainer ) |
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293 { |
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294 TPtrC8 name( aRootNode.EightBitNodeNameLC()->Des() ); |
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295 TPtrC8 prefix = Prefix( aRootNode ); |
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296 iFormatBuffer->InsertL( iFormBufferPos, KStartBracketString ); |
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297 iFormBufferPos = iFormBufferPos + KStartBracketString().Length(); |
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298 if( prefix.Length() > 0 ) |
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299 { |
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300 iFormatBuffer->InsertL( iFormBufferPos, prefix ); |
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301 iFormBufferPos = iFormBufferPos + prefix.Length(); |
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302 iFormatBuffer->InsertL( iFormBufferPos, KPrefixSeparatorString ); |
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303 iFormBufferPos = iFormBufferPos + KPrefixSeparatorString().Length(); |
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304 } |
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305 iFormatBuffer->InsertL( iFormBufferPos, name ); |
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306 iFormBufferPos = iFormBufferPos + name.Length(); |
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307 CleanupStack::PopAndDestroy(); //EightBitNodeNameLC() |
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308 if( aContainer.Count() > 0 ) |
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309 { |
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310 TPtrC8 uri( _L8( "" ) ); |
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311 TPtrC8 prefix( _L8( "" ) ); |
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312 for( TInt i = 0;i < aContainer.Count();i++ ) |
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313 { |
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314 uri.Set( aContainer.Uri( i ) ); |
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315 prefix.Set( aContainer.Prefix( i ) ); |
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316 AppendNamespaceL( uri, prefix ); |
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317 } |
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318 } |
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319 iFormatBuffer->InsertL( iFormBufferPos, KEndBracketString ); |
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320 iFormBufferPos = iFormBufferPos + KEndBracketString().Length(); |
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321 iFormatBuffer->InsertL( iFormBufferPos, KNewlineString ); |
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322 iFormBufferPos = iFormBufferPos + KNewlineString().Length(); |
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323 } |
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324 |
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325 // --------------------------------------------------------- |
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326 // CXmlFormatter::FormatLeafElementL |
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327 // |
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328 // --------------------------------------------------------- |
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329 // |
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330 void CXmlFormatter::FormatLeafElementL( CXdmDocumentNode* aCurrentNode ) |
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331 { |
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332 TPtrC8 escape( aCurrentNode->EscapeLeafNodeContentLC()->Des() ); |
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333 iFormatBuffer->InsertL( iFormBufferPos, escape ); |
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334 iFormBufferPos = iFormBufferPos + escape.Length(); |
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335 CleanupStack::PopAndDestroy(); //EscapeLeafNodeContentLC() |
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336 } |
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337 |
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338 // --------------------------------------------------------- |
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339 // CXmlFormatter::FormatEmptyElementL |
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340 // |
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341 // --------------------------------------------------------- |
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342 // |
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343 void CXmlFormatter::FormatEmptyElementL( CXdmDocumentNode* aEmptyNode ) |
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344 { |
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345 TPtr8 empty( aEmptyNode->ElementDataLC()->Des() ); |
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346 iFormatBuffer->InsertL( iFormBufferPos, KStartBracketString ); |
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347 iFormBufferPos = iFormBufferPos + KStartBracketString().Length(); |
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348 TPtrC8 prefix = Prefix( *aEmptyNode ); |
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349 if( prefix.Length() > 0 ) |
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350 { |
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351 iFormatBuffer->InsertL( iFormBufferPos, prefix ); |
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352 iFormBufferPos = iFormBufferPos + prefix.Length(); |
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353 iFormatBuffer->InsertL( iFormBufferPos, KPrefixSeparatorString ); |
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354 iFormBufferPos = iFormBufferPos + KPrefixSeparatorString().Length(); |
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355 } |
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356 iFormatBuffer->InsertL( iFormBufferPos, empty ); |
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357 iFormBufferPos = iFormBufferPos + empty.Length(); |
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358 CleanupStack::PopAndDestroy(); //ElementDataLC() |
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359 iFormatBuffer->InsertL( iFormBufferPos, KEmptyElementString ); |
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360 iFormBufferPos = iFormBufferPos + TPtrC8( KEmptyElementString ).Length(); |
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361 } |
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362 |
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363 // --------------------------------------------------------- |
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364 // CXmlFormatter::FormatElementStartL |
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365 // |
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366 // --------------------------------------------------------- |
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367 // |
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368 void CXmlFormatter::FormatElementStartL( const TDesC8& aPrefix, |
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369 const TDesC8& aElementData ) |
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370 { |
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371 iFormatBuffer->InsertL( iFormBufferPos, KStartBracketString ); |
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372 iFormBufferPos = iFormBufferPos + KStartBracketString().Length(); |
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373 if( aPrefix.Length() > 0 ) |
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374 { |
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375 iFormatBuffer->InsertL( iFormBufferPos, aPrefix ); |
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376 iFormBufferPos = iFormBufferPos + aPrefix.Length(); |
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377 iFormatBuffer->InsertL( iFormBufferPos, KPrefixSeparatorString ); |
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378 iFormBufferPos = iFormBufferPos + KPrefixSeparatorString().Length(); |
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379 } |
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380 iFormatBuffer->InsertL( iFormBufferPos, aElementData ); |
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381 iFormBufferPos = iFormBufferPos + aElementData.Length(); |
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382 iFormatBuffer->InsertL( iFormBufferPos, KEndBracketString ); |
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383 iFormBufferPos = iFormBufferPos + KEndBracketString().Length(); |
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384 } |
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385 |
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386 // --------------------------------------------------------- |
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387 // CXmlFormatter::FormatElementEndL |
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388 // |
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389 // --------------------------------------------------------- |
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390 // |
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391 void CXmlFormatter::FormatElementEndL( const TDesC8& aPrefix, |
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392 const TDesC8& aElementName ) |
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393 { |
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394 iFormatBuffer->InsertL( iFormBufferPos, KStartBracketString ); |
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395 iFormBufferPos = iFormBufferPos + KStartBracketString().Length(); |
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396 iFormatBuffer->InsertL( iFormBufferPos, KSlashString ); |
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397 iFormBufferPos = iFormBufferPos + KSlashString().Length(); |
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398 if( aPrefix.Length() > 0 ) |
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399 { |
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400 iFormatBuffer->InsertL( iFormBufferPos, aPrefix ); |
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401 iFormBufferPos = iFormBufferPos + aPrefix.Length(); |
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402 iFormatBuffer->InsertL( iFormBufferPos, KPrefixSeparatorString ); |
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403 iFormBufferPos = iFormBufferPos + KPrefixSeparatorString().Length(); |
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404 } |
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405 iFormatBuffer->InsertL( iFormBufferPos, aElementName ); |
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406 iFormBufferPos = iFormBufferPos + aElementName.Length(); |
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407 iFormatBuffer->InsertL( iFormBufferPos, KEndBracketString ); |
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408 iFormBufferPos = iFormBufferPos + KEndBracketString().Length(); |
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409 } |
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410 |
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411 // --------------------------------------------------------- |
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412 // CXmlFormatter::AppendNamespaceL |
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413 // |
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414 // --------------------------------------------------------- |
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415 // |
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416 void CXmlFormatter::AppendNamespaceL( const TDesC8& aUri, const TDesC8& aPrefix ) |
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417 { |
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418 iFormatBuffer->InsertL( iFormBufferPos, KXmlNamespaceString ); |
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419 iFormBufferPos = iFormBufferPos + KXmlNamespaceString().Length(); |
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420 if( aPrefix.Length() > 0 ) //Not the default namespace |
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421 { |
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422 iFormatBuffer->InsertL( iFormBufferPos, KPrefixSeparatorString ); |
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423 iFormBufferPos = iFormBufferPos + KPrefixSeparatorString().Length(); |
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424 iFormatBuffer->InsertL( iFormBufferPos, aPrefix ); |
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425 iFormBufferPos = iFormBufferPos + aPrefix.Length(); |
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426 } |
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427 iFormatBuffer->InsertL( iFormBufferPos, KEquelsSignString ); |
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428 iFormBufferPos = iFormBufferPos + KEquelsSignString().Length(); |
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429 iFormatBuffer->InsertL( iFormBufferPos, KQuotationSignString ); |
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430 iFormBufferPos = iFormBufferPos + KQuotationSignString().Length(); |
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431 iFormatBuffer->InsertL( iFormBufferPos, aUri ); |
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432 iFormBufferPos = iFormBufferPos + aUri.Length(); |
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433 iFormatBuffer->InsertL( iFormBufferPos, KQuotationSignString ); |
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434 iFormBufferPos = iFormBufferPos + KQuotationSignString().Length(); |
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435 } |
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436 |
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437 |
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438 // End of File |
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