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1 /* |
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2 * Copyright (c) 2005,2006 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: Primary datatype for the entire Document Object Model. |
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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 FILES |
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21 #include "hspsdomnode.h" |
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22 #include "hspsdomattribute.h" |
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23 #include "hspsdomlist.h" |
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24 #include "hspsdomstringpool.h" |
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25 |
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26 // LOCAL CONSTANTS AND MACROS |
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27 const TInt KNotDefined = -1; |
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28 _LIT8( KIdAttr, "id" ); |
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29 _LIT8( KRefAttr, "ref" ); |
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30 |
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31 // ============================ MEMBER FUNCTIONS =============================== |
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32 |
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33 // ----------------------------------------------------------------------------- |
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34 // ChspsDomNode::ChspsDomNode |
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35 // C++ default constructor can NOT contain any code, that |
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36 // might leave. |
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37 // ----------------------------------------------------------------------------- |
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38 // |
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39 ChspsDomNode::ChspsDomNode( ChspsDomStringPool& aStringPool ): |
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40 iStringPool( aStringPool ), |
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41 iNodeId( KNotDefined ) |
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42 { |
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43 } |
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44 |
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45 |
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46 // ----------------------------------------------------------------------------- |
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47 // ChspsDomNode::ConstructL |
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48 // Symbian 2nd phase constructor can leave. |
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49 // ----------------------------------------------------------------------------- |
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50 // |
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51 void ChspsDomNode::ConstructL( |
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52 const TDesC8& aName, |
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53 const TDesC8& aNS ) |
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54 { |
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55 iNameRef = iStringPool.AddStringL( aName ); |
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56 iNSRef = iStringPool.AddStringL( aNS ); |
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57 Construct2L(); |
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58 } |
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59 |
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60 // ----------------------------------------------------------------------------- |
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61 // ChspsDomNode::ConstructL |
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62 // Symbian 2nd phase constructor can leave. |
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63 // ----------------------------------------------------------------------------- |
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64 // |
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65 void ChspsDomNode::ConstructL( |
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66 const TInt aName, |
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67 const TInt aNS ) |
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68 { |
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69 iNameRef = aName; |
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70 iNSRef = aNS; |
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71 Construct2L(); |
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72 } |
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73 |
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74 // ----------------------------------------------------------------------------- |
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75 // ChspsDomNode::Construct2L |
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76 // ----------------------------------------------------------------------------- |
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77 // |
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78 void ChspsDomNode::Construct2L() |
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79 { |
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80 iChildList = ChspsDomList::NewL( ChspsDomList::ENodeList, iStringPool ); |
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81 iAttributeList = ChspsDomList::NewL( ChspsDomList::EAttributeList, iStringPool ); |
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82 } |
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83 |
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84 // ----------------------------------------------------------------------------- |
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85 // ChspsDomNode::NewL |
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86 // Two-phased constructor. |
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87 // ----------------------------------------------------------------------------- |
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88 // |
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89 ChspsDomNode* ChspsDomNode::NewL( |
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90 const TDesC8& aName, |
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91 const TDesC8& aNS, |
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92 ChspsDomStringPool& aStringPool ) |
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93 { |
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94 ChspsDomNode* self = new( ELeave ) ChspsDomNode( aStringPool ); |
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95 |
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96 CleanupStack::PushL( self ); |
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97 self->ConstructL( aName, aNS ); |
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98 CleanupStack::Pop( self ); |
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99 |
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100 return self; |
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101 } |
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102 |
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103 // ----------------------------------------------------------------------------- |
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104 // ChspsDomNode::NewL |
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105 // Two-phased constructor. |
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106 // ----------------------------------------------------------------------------- |
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107 // |
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108 ChspsDomNode* ChspsDomNode::NewL( |
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109 const TInt aName, |
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110 const TInt aNS, |
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111 ChspsDomStringPool& aStringPool ) |
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112 { |
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113 ChspsDomNode* self = new( ELeave ) ChspsDomNode( aStringPool ); |
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114 |
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115 CleanupStack::PushL( self ); |
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116 self->ConstructL( aName, aNS ); |
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117 CleanupStack::Pop( self ); |
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118 |
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119 return self; |
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120 } |
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121 |
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122 // ----------------------------------------------------------------------------- |
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123 // ChspsDomNode::NewL |
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124 // Two-phased stream constructor. |
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125 // ----------------------------------------------------------------------------- |
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126 // |
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127 ChspsDomNode* ChspsDomNode::NewL( RReadStream& aStream, ChspsDomStringPool& aStringPool ) |
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128 { |
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129 ChspsDomNode* self = new( ELeave ) ChspsDomNode( aStringPool ); |
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130 |
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131 CleanupStack::PushL( self ); |
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132 |
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133 aStream >> *self; |
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134 CleanupStack::Pop( self ); |
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135 |
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136 return self; |
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137 } |
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138 |
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139 // Destructor |
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140 ChspsDomNode::~ChspsDomNode() |
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141 { |
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142 delete iChildList; |
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143 delete iAttributeList; |
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144 |
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145 delete iPCData; |
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146 } |
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147 |
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148 // ----------------------------------------------------------------------------- |
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149 // ChspsDomNode::CloneL |
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150 // Clones this node and it's child nodes. This is a recursive function. |
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151 // ----------------------------------------------------------------------------- |
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152 // |
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153 EXPORT_C ChspsDomNode* ChspsDomNode::CloneL( ChspsDomStringPool& aStringPool, |
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154 const TBool aFastClone ) |
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155 { |
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156 ChspsDomNode* clone = NULL; |
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157 |
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158 if( aFastClone ) |
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159 { |
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160 clone = ChspsDomNode::NewL( iNameRef, iNSRef, aStringPool ); |
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161 } |
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162 else |
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163 { |
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164 const TDesC8& name = iStringPool.String( iNameRef ); |
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165 const TDesC8& ns = iStringPool.String( iNSRef ); |
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166 clone = ChspsDomNode::NewL( name, ns, aStringPool ); |
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167 } |
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168 |
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169 CleanupStack::PushL( clone ); |
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170 |
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171 if ( iPCData ) |
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172 { |
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173 clone->AppendPCDataL( *iPCData ); |
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174 } |
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175 |
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176 clone->iNodeId = iNodeId; |
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177 clone->iRefNode = iRefNode; |
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178 |
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179 TInt childCount( iChildList->Length() ); |
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180 |
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181 for( TInt i = 0; i < childCount; i++ ) |
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182 { |
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183 ChspsDomNode* childClone = |
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184 static_cast<ChspsDomNode*>( iChildList->Item(i) )->CloneL( aStringPool, aFastClone ); |
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185 CleanupStack::PushL( childClone ); |
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186 childClone->iParentNode = clone; |
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187 clone->iChildList->AddItemL( childClone ); |
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188 CleanupStack::Pop( childClone ); |
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189 } |
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190 |
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191 TInt attrCount( iAttributeList->Length() ); |
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192 for( TInt j = 0; j < attrCount; j++ ) |
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193 { |
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194 ChspsDomAttribute* attrClone = |
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195 static_cast<ChspsDomAttribute*>( iAttributeList->Item(j) )->CloneL( aStringPool, aFastClone ); |
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196 CleanupStack::PushL( attrClone ); |
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197 clone->iAttributeList->AddItemL( attrClone ); |
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198 CleanupStack::Pop( attrClone ); |
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199 } |
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200 CleanupStack::Pop( clone ); |
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201 return clone; |
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202 } |
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203 |
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204 // ----------------------------------------------------------------------------- |
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205 // ChspsDomNode::CloneWithoutKidsL |
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206 // Clones only this node. This is a recursive function. |
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207 // ----------------------------------------------------------------------------- |
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208 // |
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209 EXPORT_C ChspsDomNode* ChspsDomNode::CloneWithoutKidsL( ChspsDomStringPool& aStringPool ) |
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210 { |
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211 const TDesC8& name = iStringPool.String( iNameRef ); |
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212 const TDesC8& ns = iStringPool.String( iNSRef ); |
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213 |
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214 ChspsDomNode* clone = ChspsDomNode::NewL( name, ns, aStringPool ); |
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215 CleanupStack::PushL( clone ); |
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216 if ( iPCData ) |
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217 { |
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218 clone->AppendPCDataL( *iPCData ); |
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219 } |
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220 clone->iNodeId = iNodeId; |
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221 clone->iRefNode = iRefNode; |
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222 |
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223 TInt attrCount( iAttributeList->Length() ); |
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224 for ( TInt j=0; j<attrCount; j++ ) |
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225 { |
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226 ChspsDomAttribute* attrClone = |
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227 static_cast<ChspsDomAttribute*>( iAttributeList->Item(j) )->CloneL( aStringPool ); |
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228 CleanupStack::PushL( attrClone ); |
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229 clone->iAttributeList->AddItemL( attrClone ); |
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230 CleanupStack::Pop( attrClone ); |
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231 } |
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232 |
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233 CleanupStack::Pop( clone ); |
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234 return clone; |
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235 } |
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236 |
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237 // ----------------------------------------------------------------------------- |
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238 // ChspsDomNode::CreateRefNodeL |
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239 // Recursive function to create referer nodes. |
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240 // ----------------------------------------------------------------------------- |
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241 // |
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242 EXPORT_C ChspsDomNode* ChspsDomNode::CreateRefNodeL() |
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243 { |
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244 const TDesC8& name = iStringPool.String( iNameRef ); |
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245 const TDesC8& ns = iStringPool.String( iNSRef ); |
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246 |
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247 ChspsDomNode* ref = ChspsDomNode::NewL( name, ns, iStringPool ); |
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248 CleanupStack::PushL( ref ); |
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249 |
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250 ref->iRefNode = ETrue; |
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251 |
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252 TInt childCount( iChildList->Length() ); |
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253 |
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254 for ( TInt i=0; i<childCount; i++ ) |
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255 { |
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256 ChspsDomNode* childRef = |
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257 static_cast<ChspsDomNode*>( iChildList->Item(i) )->CreateRefNodeL(); |
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258 CleanupStack::PushL( childRef ); |
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259 childRef->iParentNode = ref; |
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260 ref->iChildList->AddItemL( childRef ); |
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261 CleanupStack::Pop( childRef ); |
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262 } |
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263 |
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264 ChspsDomAttribute* attr = NULL; |
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265 if ( !iRefNode ) |
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266 { |
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267 attr = static_cast<ChspsDomAttribute*>( iAttributeList->FindByName( KIdAttr ) ); |
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268 } |
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269 else |
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270 { |
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271 attr = static_cast<ChspsDomAttribute*>( iAttributeList->FindByName( KRefAttr ) ); |
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272 } |
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273 |
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274 if ( attr ) |
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275 { |
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276 ChspsDomAttribute* newAttr = ChspsDomAttribute::NewL( KRefAttr, iStringPool ); |
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277 CleanupStack::PushL( newAttr ); |
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278 newAttr->SetValueL( attr->Value() ); |
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279 ref->iAttributeList->AddItemL( newAttr ); |
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280 CleanupStack::Pop( newAttr ); |
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281 } |
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282 else |
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283 { |
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284 //referred node don't have an id or ref, thats not ok. |
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285 User::Leave(KErrArgument); |
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286 } |
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287 |
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288 CleanupStack::Pop( ref ); |
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289 return ref; |
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290 } |
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291 |
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292 |
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293 // ----------------------------------------------------------------------------- |
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294 // ChspsDomNode::Name |
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295 // ----------------------------------------------------------------------------- |
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296 // |
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297 EXPORT_C const TDesC8& ChspsDomNode::Name() |
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298 { |
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299 return iStringPool.String( iNameRef ); |
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300 } |
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301 |
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302 // ----------------------------------------------------------------------------- |
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303 // ChspsDomNode::Namespace |
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304 // ----------------------------------------------------------------------------- |
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305 // |
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306 EXPORT_C const TDesC8& ChspsDomNode::Namespace() |
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307 { |
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308 return iStringPool.String( iNSRef ); |
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309 } |
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310 |
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311 // ----------------------------------------------------------------------------- |
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312 // ChspsDomNode::AttributeList |
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313 // ----------------------------------------------------------------------------- |
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314 // |
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315 EXPORT_C ChspsDomList& ChspsDomNode::AttributeList() const |
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316 { |
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317 return *iAttributeList; |
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318 } |
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319 // ----------------------------------------------------------------------------- |
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320 // ChspsDomNode::SetParent |
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321 // ----------------------------------------------------------------------------- |
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322 // |
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323 EXPORT_C void ChspsDomNode::SetParent( ChspsDomNode* aParent ) |
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324 { |
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325 iParentNode = aParent; |
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326 } |
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327 // ----------------------------------------------------------------------------- |
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328 // ChspsDomNode::Parent |
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329 // ----------------------------------------------------------------------------- |
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330 // |
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331 EXPORT_C ChspsDomNode* ChspsDomNode::Parent()const |
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332 { |
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333 return iParentNode; |
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334 } |
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335 // ----------------------------------------------------------------------------- |
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336 // ChspsDomNode::AddChildL |
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337 // ----------------------------------------------------------------------------- |
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338 // |
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339 EXPORT_C void ChspsDomNode::AddChildL( ChspsDomNode* aNode ) |
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340 { |
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341 aNode->SetParent( this ); |
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342 iChildList->AddItemL( aNode ); |
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343 } |
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344 |
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345 // ----------------------------------------------------------------------------- |
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346 // ChspsDomNode::AddChildL |
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347 // ----------------------------------------------------------------------------- |
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348 // |
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349 EXPORT_C void ChspsDomNode::AddChildL( ChspsDomNode* aNode, TInt aIndex ) |
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350 { |
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351 aNode->SetParent( this ); |
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352 iChildList->AddItemL( aNode, aIndex ); |
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353 } |
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354 |
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355 // ----------------------------------------------------------------------------- |
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356 // ChspsDomNode::DeleteChild |
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357 // ----------------------------------------------------------------------------- |
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358 // |
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359 EXPORT_C void ChspsDomNode::DeleteChild( ChspsDomNode* aNode ) |
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360 { |
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361 iChildList->DeleteItem( aNode ); |
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362 } |
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363 |
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364 // ----------------------------------------------------------------------------- |
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365 // ChspsDomNode::ReplaceChildL |
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366 // ----------------------------------------------------------------------------- |
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367 // |
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368 EXPORT_C void ChspsDomNode::ReplaceChildL( |
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369 ChspsDomNode* aNode, |
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370 ChspsDomNode* aNewNode ) |
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371 { |
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372 ChspsDomNode* swapChild = NULL; |
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373 ChspsDomList& childList = aNode->ChildNodes(); |
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374 TInt childCount( childList.Length() ); |
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375 for ( TInt i=0; i<childCount; i++ ) |
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376 { |
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377 swapChild = static_cast<ChspsDomNode*>( childList.Item(i) ); |
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378 aNewNode->AddChildL( swapChild ); //Let the new node adopt the child |
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379 //cannot remove it during iterating childlist |
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380 //childList.RemoveItem( swapChild ); //Remove it from the orginal parent |
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381 } |
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382 iChildList->DeleteItem( aNode ); // Delete the old child |
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383 |
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384 aNewNode->SetParent( this ); //Set new child |
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385 iChildList->AddItemL( aNewNode ); |
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386 } |
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387 |
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388 // ----------------------------------------------------------------------------- |
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389 // ChspsDomNode::ChildNodes |
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390 // ----------------------------------------------------------------------------- |
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391 // |
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392 EXPORT_C ChspsDomList& ChspsDomNode::ChildNodes() |
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393 { |
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394 return *iChildList; |
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395 } |
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396 // ----------------------------------------------------------------------------- |
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397 // ChspsDomNode::SetNodeId |
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398 // ----------------------------------------------------------------------------- |
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399 // |
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400 EXPORT_C void ChspsDomNode::SetNodeId( const TInt aNodeId ) |
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401 { |
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402 iNodeId = aNodeId; |
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403 } |
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404 // ----------------------------------------------------------------------------- |
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405 // ChspsDomNode::NodeId |
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406 // ----------------------------------------------------------------------------- |
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407 // |
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408 EXPORT_C TInt ChspsDomNode::NodeId() const |
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409 { |
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410 return iNodeId; |
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411 } |
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412 |
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413 // ----------------------------------------------------------------------------- |
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414 // ChspsDomNode::ItemIndex |
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415 // ----------------------------------------------------------------------------- |
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416 // |
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417 EXPORT_C TInt ChspsDomNode::ItemIndex( const MhspsDomListItem& aItem )const |
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418 { |
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419 return iChildList->ItemIndex( aItem ); |
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420 } |
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421 |
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422 // ----------------------------------------------------------------------------- |
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423 // ChspsDomNode::AppendPCDataL |
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424 // ----------------------------------------------------------------------------- |
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425 // |
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426 EXPORT_C void ChspsDomNode::AppendPCDataL( const TDesC8& aPCData ) |
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427 { |
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428 if ( iPCData ) |
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429 { |
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430 iPCData = iPCData->ReAllocL( iPCData->Length() + aPCData.Length() ); |
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431 iPCData->Des().Append( aPCData ); |
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432 } |
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433 else |
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434 { |
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435 iPCData = aPCData.AllocL(); |
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436 } |
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437 } |
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438 |
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439 |
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440 // ----------------------------------------------------------------------------- |
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441 // ChspsDomNode::PCData |
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442 // ----------------------------------------------------------------------------- |
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443 // |
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444 EXPORT_C const TDesC8& ChspsDomNode::PCData() |
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445 { |
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446 if ( iPCData ) |
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447 { |
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448 return *iPCData; |
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449 } |
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450 return KNullDesC8; |
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451 } |
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452 |
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453 // ----------------------------------------------------------------------------- |
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454 // ChspsDomNode::SetPCDataL |
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455 // ----------------------------------------------------------------------------- |
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456 // |
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457 EXPORT_C void ChspsDomNode::SetPCDataL( const TDesC8& aPCData ) |
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458 { |
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459 if ( iPCData ) |
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460 { |
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461 delete iPCData; |
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462 iPCData = NULL; |
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463 } |
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464 iPCData = aPCData.AllocL(); |
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465 } |
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466 |
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467 // ----------------------------------------------------------------------------- |
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468 // ChspsDomNode::ContentType |
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469 // ----------------------------------------------------------------------------- |
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470 // |
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471 EXPORT_C const TContentType& ChspsDomNode::ContentType() |
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472 { |
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473 return iContentType; |
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474 } |
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475 |
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476 // ----------------------------------------------------------------------------- |
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477 // ChspsDomNode::SetContentType |
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478 // ----------------------------------------------------------------------------- |
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479 // |
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480 EXPORT_C void ChspsDomNode::SetContentType( const TContentType& aContentType ) |
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481 { |
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482 iContentType = aContentType; |
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483 } |
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484 |
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485 // ----------------------------------------------------------------------------- |
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486 // ChspsDomNode::StringPool |
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487 // ----------------------------------------------------------------------------- |
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488 // |
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489 EXPORT_C ChspsDomStringPool& ChspsDomNode::StringPool() const |
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490 { |
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491 return iStringPool; |
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492 } |
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493 |
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494 // ----------------------------------------------------------------------------- |
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495 // ChspsDomNode::SetRefNode |
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496 // ----------------------------------------------------------------------------- |
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497 // |
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498 EXPORT_C void ChspsDomNode::SetRefNode( TBool aRefNode ) |
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499 { |
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500 iRefNode = aRefNode; |
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501 } |
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502 |
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503 // ----------------------------------------------------------------------------- |
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504 // ChspsDomNode::IsRefNode |
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505 // ----------------------------------------------------------------------------- |
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506 // |
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507 EXPORT_C TBool ChspsDomNode::IsRefNode() const |
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508 { |
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509 return iRefNode; |
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510 } |
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511 // ----------------------------------------------------------------------------- |
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512 // ChspsDomNode::Size |
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513 // ----------------------------------------------------------------------------- |
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514 // |
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515 TInt ChspsDomNode::Size() const |
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516 { |
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517 TInt size( 0 ); |
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518 |
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519 size += sizeof( TInt16 ); //iNameRef |
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520 size += sizeof( TInt16 ); //iNSRef |
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521 size += sizeof( TBool ); //iRefNode |
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522 if ( iPCData ) |
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523 { |
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524 size += sizeof( TInt8 ); |
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525 size += sizeof( TInt16 ); |
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526 size += iPCData->Size(); |
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527 size++; |
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528 } |
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529 else |
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530 { |
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531 size += sizeof( TInt8 ); |
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532 } |
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533 |
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534 size += sizeof( TInt32 ); //For nodeId |
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535 size += iAttributeList->Size(); |
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536 |
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537 size += iChildList->Size(); |
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538 |
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539 return size; |
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540 } |
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541 // ----------------------------------------------------------------------------- |
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542 // ChspsDomNode::ExternalizeL |
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543 // ----------------------------------------------------------------------------- |
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544 // |
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545 void ChspsDomNode::ExternalizeL( RWriteStream& aStream ) const |
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546 { |
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547 aStream.WriteInt16L( iNameRef ); |
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548 aStream.WriteInt16L( iNSRef ); |
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549 aStream.WriteInt8L( iRefNode ); |
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550 |
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551 if ( iPCData ) |
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552 { |
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553 aStream.WriteInt8L( ETrue ); |
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554 aStream.WriteInt16L( iPCData->Length() ); |
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555 aStream << *iPCData; |
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556 } |
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557 else |
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558 { |
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559 aStream.WriteInt8L( EFalse ); |
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560 } |
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561 |
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562 aStream.WriteInt32L( iNodeId ); |
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563 aStream << *iChildList; |
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564 aStream << *iAttributeList; |
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565 } |
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566 |
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567 // ----------------------------------------------------------------------------- |
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568 // ChspsDomNode::InternalizeL |
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569 // ----------------------------------------------------------------------------- |
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570 // |
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571 void ChspsDomNode::InternalizeL( RReadStream& aStream ) |
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572 { |
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573 iNameRef = aStream.ReadInt16L(); |
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574 iNSRef = aStream.ReadInt16L(); |
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575 iRefNode = aStream.ReadInt8L(); |
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576 |
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577 TInt len( 0 ); |
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578 TBool exist( aStream.ReadInt8L() ); |
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579 if ( exist ) |
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580 { |
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581 len = aStream.ReadInt16L(); |
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582 delete iPCData; |
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583 iPCData = NULL; |
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584 iPCData = HBufC8::NewL( aStream, len ); |
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585 } |
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586 |
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587 iNodeId = aStream.ReadInt32L(); |
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588 |
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589 iChildList = ChspsDomList::NewL( aStream, iStringPool ); |
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590 TInt count( iChildList->Length() ); |
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591 for( TInt i=0; i<count; i++ ) |
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592 { |
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593 ChspsDomNode* node = static_cast<ChspsDomNode*>( iChildList->Item( i ) ); |
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594 if ( node ) |
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595 { |
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596 node->SetParent( this ); |
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597 } |
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598 else |
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599 { |
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600 User::Leave( KErrArgument ); |
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601 } |
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602 } |
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603 |
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604 iAttributeList = ChspsDomList::NewL( aStream, iStringPool ); |
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605 } |
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606 |
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607 |
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608 |
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609 // ----------------------------------------------------------------------------- |
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610 // ChspsDomNode::DescendantCount |
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611 // Recursive counting function |
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612 // ----------------------------------------------------------------------------- |
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613 // |
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614 EXPORT_C TInt ChspsDomNode::DescendantCount() const |
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615 { |
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616 TInt count( 1 ); //Node itself |
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617 |
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618 TInt length( iChildList->Length() ); |
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619 for ( TInt i=0; i<length; i++ ) |
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620 { |
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621 count += static_cast<ChspsDomNode*>( iChildList->Item( i ) )->DescendantCount(); |
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622 } |
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623 |
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624 return count; |
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625 } |
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626 |
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627 // ----------------------------------------------------------------------------- |
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628 // ChspsDomNode::AttributeValue |
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629 // Returns value of "name" attribute |
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630 // ----------------------------------------------------------------------------- |
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631 // |
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632 EXPORT_C const TDesC8& ChspsDomNode::AttributeValue(const TDesC8& aAttribute) const |
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633 { |
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634 ChspsDomAttribute* attribute = |
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635 static_cast<ChspsDomAttribute*>(iAttributeList->FindByName(aAttribute)); |
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636 if(attribute) |
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637 { |
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638 return attribute->Value(); |
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639 } |
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640 else |
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641 { |
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642 return KNullDesC8; |
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643 } |
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644 } |
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645 |
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646 // ----------------------------------------------------------------------------- |
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647 // ChspsDomNode::SetLayoutNode |
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648 // Sets pointer to associated layout node |
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649 // ----------------------------------------------------------------------------- |
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650 // |
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651 EXPORT_C void ChspsDomNode::SetLayoutNode(ChspsNode* aNode) |
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652 { |
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653 iLayoutNode = aNode; |
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654 } |
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655 |
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656 // ----------------------------------------------------------------------------- |
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657 // ChspsDomNode::LayoutNode |
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658 // Gets pointer to associated layout node |
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659 // ----------------------------------------------------------------------------- |
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660 // |
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661 EXPORT_C ChspsNode* ChspsDomNode::LayoutNode() |
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662 { |
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663 return iLayoutNode; |
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664 } |
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665 // End of File |