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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: Property's value encapsulation. |
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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 "xndompropertyvalue.h" |
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22 #include "xndomstringpool.h" |
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23 #include <gdi.h> |
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24 // LOCAL CONSTANTS AND MACROS |
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25 _LIT8(KInherit, "inherit"); |
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26 _LIT8(KAuto, "auto"); |
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27 _LIT8(KNone, "none"); |
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28 |
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29 // ============================ LOCAL FUNCTIONS =============================== |
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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 // CXnDomPropertyValue::CXnDomPropertyValue |
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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 CXnDomPropertyValue::CXnDomPropertyValue( CXnDomStringPool* aStringPool ): |
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40 iStringPool( aStringPool ), |
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41 iPrimitiveValueType( (TPrimitiveValueType)KErrNotFound ) |
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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 // CXnDomPropertyValue::ConstructL |
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47 // Symbian 2nd phase constructor can leave. |
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48 // ----------------------------------------------------------------------------- |
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49 // |
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50 void CXnDomPropertyValue::ConstructL() |
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51 { |
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52 } |
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53 |
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54 // ----------------------------------------------------------------------------- |
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55 // CXnDomPropertyValue::NewL |
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56 // Two-phased constructor. |
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57 // ----------------------------------------------------------------------------- |
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58 // |
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59 EXPORT_C CXnDomPropertyValue* CXnDomPropertyValue::NewL( |
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60 CXnDomStringPool* aStringPool ) |
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61 { |
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62 CXnDomPropertyValue* self = new( ELeave ) CXnDomPropertyValue( aStringPool ); |
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63 |
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64 CleanupStack::PushL( self ); |
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65 self->ConstructL(); |
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66 CleanupStack::Pop(self); |
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67 |
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68 return self; |
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69 } |
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70 // ----------------------------------------------------------------------------- |
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71 // CXnDomPropertyValue::NewL |
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72 // Two-phased stream constructor. |
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73 // ----------------------------------------------------------------------------- |
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74 // |
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75 CXnDomPropertyValue* CXnDomPropertyValue::NewL( |
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76 RReadStream& aStream, |
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77 CXnDomStringPool* aStringPool ) |
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78 { |
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79 CXnDomPropertyValue* self = new( ELeave ) CXnDomPropertyValue( aStringPool ); |
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80 |
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81 CleanupStack::PushL( self ); |
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82 aStream >> *self; |
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83 CleanupStack::Pop(self); |
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84 |
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85 return self; |
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86 } |
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87 |
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88 // Destructor |
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89 EXPORT_C CXnDomPropertyValue::~CXnDomPropertyValue() |
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90 { |
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91 ReleaseData(); |
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92 } |
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93 // ----------------------------------------------------------------------------- |
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94 // CXnDomPropertyValue::CloneL() |
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95 // Make a copy from this object |
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96 // ----------------------------------------------------------------------------- |
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97 // |
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98 EXPORT_C CXnDomPropertyValue* CXnDomPropertyValue::CloneL() |
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99 { |
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100 CXnDomPropertyValue* clone = CXnDomPropertyValue::NewL( iStringPool ); |
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101 CleanupStack::PushL( clone ); |
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102 clone->iPrimitiveValueType = iPrimitiveValueType; |
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103 |
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104 |
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105 switch( iPrimitiveValueType ) |
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106 { |
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107 // allowed cases for real value |
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108 case ENumber: |
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109 case EPercentage: |
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110 case EEms: |
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111 case EExs: |
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112 case EPx: |
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113 case ECm: |
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114 case EMm: |
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115 case EIn: |
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116 case EPt: |
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117 case EPc: |
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118 case EDeg: |
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119 case ERad: |
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120 case EGrad: |
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121 case EMs: |
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122 case ES: |
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123 case EHz: |
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124 case EKHz: |
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125 case EUnitValue: |
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126 { |
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127 clone->iData.iRealValue = new (ELeave) TReal( *iData.iRealValue ); |
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128 break; |
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129 } |
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130 // allowed cases for string value |
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131 case EString: |
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132 case EIdent: |
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133 case EUri: |
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134 case EAttr: |
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135 case EUnknown: |
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136 { |
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137 clone->iData.iStringRef = iData.iStringRef; |
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138 clone->iIdent = iIdent; |
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139 break; |
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140 } |
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141 |
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142 case ERgbColor: |
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143 case ERgbaColor: |
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144 { |
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145 clone->iData.iRgbColor = new (ELeave) TRgb( *iData.iRgbColor ); |
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146 #ifdef SYMBIAN_GRAPHICS_ALPHA_SUPPORT_V1 |
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147 clone->iData.iRgbColor->SetAlpha( iData.iRgbColor->Alpha() ); |
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148 #endif |
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149 break; |
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150 } |
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151 default: |
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152 break; |
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153 } |
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154 CleanupStack::Pop( clone ); |
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155 return clone; |
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156 } |
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157 |
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158 // ----------------------------------------------------------------------------- |
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159 // CXnDomPropertyValue::CloneL( CXnDomStringPool& aStringPool ) |
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160 // Make a copy from this object |
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161 // ----------------------------------------------------------------------------- |
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162 // |
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163 CXnDomPropertyValue* CXnDomPropertyValue::CloneL( CXnDomStringPool& aStringPool ) |
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164 { |
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165 CXnDomPropertyValue* clone = CXnDomPropertyValue::NewL( &aStringPool ); |
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166 CleanupStack::PushL( clone ); |
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167 clone->iPrimitiveValueType = iPrimitiveValueType; |
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168 |
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169 |
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170 switch( iPrimitiveValueType ) |
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171 { |
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172 // allowed cases for real value |
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173 case ENumber: |
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174 case EPercentage: |
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175 case EEms: |
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176 case EExs: |
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177 case EPx: |
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178 case ECm: |
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179 case EMm: |
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180 case EIn: |
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181 case EPt: |
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182 case EPc: |
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183 case EDeg: |
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184 case ERad: |
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185 case EGrad: |
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186 case EMs: |
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187 case ES: |
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188 case EHz: |
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189 case EKHz: |
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190 case EUnitValue: |
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191 { |
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192 clone->iData.iRealValue = new (ELeave) TReal( *iData.iRealValue ); |
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193 break; |
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194 } |
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195 // allowed cases for string value |
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196 case EString: |
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197 case EIdent: |
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198 case EUri: |
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199 case EAttr: |
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200 case EUnknown: |
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201 { |
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202 const TDesC8& value = iStringPool->String( iData.iStringRef ); |
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203 clone->iData.iStringRef = aStringPool.AddStringL( value ); |
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204 clone->iIdent = iIdent; |
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205 break; |
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206 } |
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207 |
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208 case ERgbColor: |
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209 case ERgbaColor: |
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210 { |
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211 clone->iData.iRgbColor = new (ELeave) TRgb( *iData.iRgbColor ); |
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212 #ifdef SYMBIAN_GRAPHICS_ALPHA_SUPPORT_V1 |
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213 clone->iData.iRgbColor->SetAlpha( iData.iRgbColor->Alpha() ); |
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214 #endif |
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215 break; |
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216 } |
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217 default: |
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218 break; |
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219 } |
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220 CleanupStack::Pop( clone ); |
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221 return clone; |
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222 } |
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223 |
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224 // ----------------------------------------------------------------------------- |
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225 // TReal CXnDomPropertyValue::FloatValueL |
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226 // Returns the float value |
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227 // ----------------------------------------------------------------------------- |
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228 // |
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229 EXPORT_C TReal CXnDomPropertyValue::FloatValueL() const |
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230 { |
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231 switch ( iPrimitiveValueType ) |
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232 { |
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233 // allowed cases for real value |
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234 case ENumber: |
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235 case EPercentage: |
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236 case EEms: |
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237 case EExs: |
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238 case EPx: |
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239 case ECm: |
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240 case EMm: |
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241 case EIn: |
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242 case EPt: |
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243 case EPc: |
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244 case EDeg: |
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245 case ERad: |
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246 case EGrad: |
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247 case EMs: |
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248 case ES: |
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249 case EHz: |
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250 case EKHz: |
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251 case EUnitValue: |
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252 break; |
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253 |
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254 |
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255 default: |
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256 User::Leave( KErrNotSupported ); |
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257 break; |
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258 } |
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259 |
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260 return *iData.iRealValue; |
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261 } |
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262 |
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263 // ----------------------------------------------------------------------------- |
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264 // TReal CXnDomPropertyValue::SetFloatValueL |
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265 // Sets the float value |
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266 // ----------------------------------------------------------------------------- |
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267 // |
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268 EXPORT_C void CXnDomPropertyValue::SetFloatValueL( |
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269 TPrimitiveValueType aValueType, |
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270 TReal aFloatValue ) |
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271 { |
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272 |
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273 switch ( aValueType ) |
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274 { |
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275 // allowed cases for real value |
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276 case ENumber: |
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277 case EPercentage: |
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278 case EEms: |
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279 case EExs: |
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280 case EPx: |
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281 case ECm: |
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282 case EMm: |
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283 case EIn: |
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284 case EPt: |
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285 case EPc: |
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286 case EDeg: |
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287 case ERad: |
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288 case EGrad: |
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289 case EMs: |
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290 case ES: |
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291 case EHz: |
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292 case EKHz: |
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293 case EUnitValue: |
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294 break; |
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295 |
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296 default: // not supported real value |
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297 User::Leave( KErrNotSupported ); |
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298 break; |
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299 } |
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300 |
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301 ReleaseData(); |
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302 |
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303 iPrimitiveValueType = aValueType; |
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304 iData.iRealValue = new ( ELeave ) TReal( aFloatValue ); |
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305 } |
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306 |
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307 // ----------------------------------------------------------------------------- |
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308 // const TDesC& CXnDomPropertyValue::StringValueL |
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309 // Returns the string value |
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310 // ----------------------------------------------------------------------------- |
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311 // |
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312 EXPORT_C const TDesC8& CXnDomPropertyValue::StringValueL() |
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313 { |
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314 switch ( iPrimitiveValueType ) |
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315 { |
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316 // allowed cases for string value |
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317 case EString: |
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318 case EIdent: |
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319 case EUri: |
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320 case EAttr: |
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321 case EUnknown: |
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322 break; |
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323 |
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324 default: // not supported string value |
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325 User::Leave( KErrNotSupported ); |
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326 break; |
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327 } |
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328 |
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329 |
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330 return iStringPool->String( iData.iStringRef ); |
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331 } |
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332 // ----------------------------------------------------------------------------- |
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333 // const TDesC& CXnDomPropertyValue::StringValue |
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334 // Returns the string value |
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335 // ----------------------------------------------------------------------------- |
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336 // |
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337 EXPORT_C const TDesC8& CXnDomPropertyValue::StringValue() |
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338 { |
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339 switch ( iPrimitiveValueType ) |
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340 { |
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341 // allowed cases for string value |
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342 case EString: |
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343 case EIdent: |
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344 case EUri: |
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345 case EAttr: |
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346 case EUnknown: |
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347 break; |
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348 |
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349 default: // not supported string value |
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350 return KNullDesC8; |
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351 |
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352 } |
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353 |
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354 |
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355 return iStringPool->String( iData.iStringRef ); |
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356 } |
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357 // ----------------------------------------------------------------------------- |
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358 // TReal CXnDomPropertyValue::SetStringValueL |
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359 // Sets the string value |
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360 // ----------------------------------------------------------------------------- |
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361 // |
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362 EXPORT_C void CXnDomPropertyValue::SetStringValueL( |
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363 TPrimitiveValueType aValueType, |
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364 const TDesC8& aStringValue ) |
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365 { |
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366 |
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367 switch ( aValueType ) |
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368 { |
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369 // allowed cases for string value |
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370 case EString: |
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371 case EIdent: |
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372 case EUri: |
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373 case EAttr: |
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374 case EUnknown: |
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375 break; |
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376 |
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377 default: // not supported string value |
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378 User::Leave( KErrNotSupported ); |
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379 break; |
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380 } |
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381 |
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382 ReleaseData(); |
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383 |
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384 iPrimitiveValueType = aValueType; |
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385 TInt stringRef = iStringPool->AddStringL( aStringValue ); |
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386 iData.iStringRef = stringRef; |
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387 |
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388 if ( aStringValue.Compare( KAuto ) == 0 ) |
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389 { |
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390 iIdent = EAuto; |
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391 } |
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392 else if ( aStringValue.Compare( KNone ) == 0 ) |
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393 { |
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394 iIdent = ENone; |
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395 } |
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396 else if ( aStringValue.Compare( KInherit ) == 0 ) |
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397 { |
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398 iIdent = EInherit; |
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399 } |
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400 } |
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401 |
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402 |
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403 // ----------------------------------------------------------------------------- |
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404 // const TRgb& CXnDomPropertyValue::RgbColorValueL |
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405 // Returns the TRgb object if supported |
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406 // ----------------------------------------------------------------------------- |
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407 // |
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408 EXPORT_C const TRgb& CXnDomPropertyValue::RgbColorValueL() const |
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409 { |
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410 if ( ERgbColor != iPrimitiveValueType && |
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411 ERgbaColor != iPrimitiveValueType ) |
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412 { |
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413 User::Leave( KErrNotSupported ); |
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414 } |
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415 return *iData.iRgbColor; |
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416 } |
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417 |
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418 // ----------------------------------------------------------------------------- |
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419 // TCSSPrimitiveValueType CXnDomPropertyValue::PrimitiveValueType |
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420 // Returns the primitive value type of the object |
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421 // ----------------------------------------------------------------------------- |
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422 // |
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423 EXPORT_C CXnDomPropertyValue::TPrimitiveValueType |
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424 CXnDomPropertyValue::PrimitiveValueType() const |
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425 { |
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426 return iPrimitiveValueType; |
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427 } |
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428 |
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429 |
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430 |
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431 // ----------------------------------------------------------------------------- |
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432 // void CXnDomPropertyValue::SetRgbColor |
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433 // Sets the CSS rgba object |
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434 // ----------------------------------------------------------------------------- |
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435 // |
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436 EXPORT_C void CXnDomPropertyValue::SetRgbColorL( const TRgb& aColor ) |
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437 { |
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438 ReleaseData(); |
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439 iPrimitiveValueType = ERgbColor; |
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440 iData.iRgbColor = new (ELeave) TRgb(aColor); |
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441 } |
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442 |
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443 // ----------------------------------------------------------------------------- |
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444 // void CXnDomPropertyValue::ReleaseData |
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445 // Releases the union loaded heap allocated data |
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446 // ----------------------------------------------------------------------------- |
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447 // |
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448 EXPORT_C void CXnDomPropertyValue::ReleaseData() |
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449 { |
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450 switch( iPrimitiveValueType ) |
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451 { |
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452 // allowed cases for real value |
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453 case ENumber: |
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454 case EPercentage: |
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455 case EEms: |
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456 case EExs: |
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457 case EPx: |
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458 case ECm: |
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459 case EMm: |
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460 case EIn: |
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461 case EPt: |
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462 case EPc: |
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463 case EDeg: |
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464 case ERad: |
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465 case EGrad: |
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466 case EMs: |
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467 case ES: |
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468 case EHz: |
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469 case EKHz: |
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470 case EUnitValue: |
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471 { |
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472 delete iData.iRealValue; |
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473 iData.iRealValue = NULL; |
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474 break; |
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475 } |
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476 |
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477 |
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478 // allowed cases for string value |
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479 case EString: |
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480 case EIdent: |
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481 case EUri: |
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482 case EAttr: |
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483 case EUnknown: |
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484 { |
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485 iData.iStringRef = -1; |
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486 iData.iStringRef = NULL; |
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487 iIdent = ENotSet; |
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488 break; |
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489 } |
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490 |
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491 case ERgbColor: |
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492 case ERgbaColor: |
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493 { |
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494 delete iData.iRgbColor; |
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495 iData.iRgbColor = NULL; |
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496 break; |
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497 } |
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498 |
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499 |
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500 default: |
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501 break; |
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502 } |
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503 } |
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504 // ----------------------------------------------------------------------------- |
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505 // void CXnDomPropertyValue::IsInheritIdent |
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506 // Compares if value is 'inherit' |
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507 // ----------------------------------------------------------------------------- |
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508 // |
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509 EXPORT_C TBool CXnDomPropertyValue::IsInheritIdent() |
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510 { |
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511 return (iIdent == EInherit? ETrue : EFalse); |
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512 } |
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513 |
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514 // ----------------------------------------------------------------------------- |
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515 // void CXnDomPropertyValue::IsAutoIdent |
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516 // Compares if value is 'auto' |
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517 // ----------------------------------------------------------------------------- |
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518 // |
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519 EXPORT_C TBool CXnDomPropertyValue::IsAutoIdent() |
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520 { |
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521 return (iIdent == EAuto? ETrue : EFalse); |
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522 } |
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523 |
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524 // ----------------------------------------------------------------------------- |
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525 // void CXnDomPropertyValue::IsNoneIdent |
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526 // Compares if value is 'none' |
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527 // ----------------------------------------------------------------------------- |
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528 // |
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529 EXPORT_C TBool CXnDomPropertyValue::IsNoneIdent() |
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530 { |
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531 return (iIdent == ENone? ETrue : EFalse); |
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532 } |
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533 // ----------------------------------------------------------------------------- |
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534 // CXnDomPropertyValue::SetStringPoolIndexL |
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535 // ----------------------------------------------------------------------------- |
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536 // |
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537 EXPORT_C void CXnDomPropertyValue::SetStringPoolIndexL( |
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538 TPrimitiveValueType aValueType, |
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539 TInt16 aStringPoolIndex ) |
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540 { |
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541 switch(aValueType) |
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542 { |
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543 case EString: |
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544 case EIdent: |
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545 case EUri: |
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546 case EAttr: |
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547 case EUnknown: |
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548 break; |
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549 default: |
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550 User::Leave( KErrNotSupported ); |
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551 } |
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552 ReleaseData(); |
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553 iPrimitiveValueType = aValueType; |
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554 iData.iStringRef = aStringPoolIndex; |
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555 } |
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556 // ----------------------------------------------------------------------------- |
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557 // CXnDomPropertyValue::SetStringPoolIndexL |
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558 // ----------------------------------------------------------------------------- |
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559 // |
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560 EXPORT_C TInt16 CXnDomPropertyValue::StringPoolIndexL()const |
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561 { |
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562 switch(iPrimitiveValueType) |
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563 { |
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564 case EString: |
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565 case EIdent: |
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566 case EUri: |
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567 case EAttr: |
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568 case EUnknown: |
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569 break; |
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570 default: |
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571 User::Leave( KErrNotSupported ); |
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572 } |
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573 return iData.iStringRef; |
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574 } |
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575 |
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576 // ----------------------------------------------------------------------------- |
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577 // CXnDomPropertyValue::SwapStringPoolL |
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578 // ----------------------------------------------------------------------------- |
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579 // |
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580 EXPORT_C void CXnDomPropertyValue::SwapStringPoolL( CXnDomStringPool* aStringPool ) |
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581 { |
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582 if( !aStringPool ) |
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583 { |
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584 User::Leave( KErrArgument ); |
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585 } |
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586 |
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587 if( iPrimitiveValueType == EString || |
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588 iPrimitiveValueType == EIdent || |
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589 iPrimitiveValueType == EUri || |
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590 iPrimitiveValueType == EAttr || |
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591 iPrimitiveValueType == EUnknown ) |
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592 { |
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593 if( iData.iStringRef != NULL && |
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594 iData.iStringRef != -1 ) |
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595 { |
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596 iData.iStringRef = |
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597 aStringPool->AddStringL( iStringPool->String( iData.iStringRef ) ); |
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598 } |
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599 } |
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600 |
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601 iStringPool = aStringPool; |
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602 } |
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603 |
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604 // ----------------------------------------------------------------------------- |
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605 // CXnDomPropertyValue::Size()const |
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606 // Count size of this object's data. |
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607 // ----------------------------------------------------------------------------- |
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608 // |
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609 TInt CXnDomPropertyValue::Size()const |
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610 { |
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611 TInt size( 0 ); |
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612 |
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613 size += sizeof(TInt8); //iPrimitiveValueType |
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614 |
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615 switch( iPrimitiveValueType ) |
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616 { |
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617 // allowed cases for real value |
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618 case ENumber: |
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619 case EPercentage: |
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620 case EEms: |
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621 case EExs: |
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622 case EPx: |
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623 case ECm: |
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624 case EMm: |
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625 case EIn: |
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626 case EPt: |
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627 case EPc: |
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628 case EDeg: |
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629 case ERad: |
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630 case EGrad: |
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631 case EMs: |
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632 case ES: |
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633 case EHz: |
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634 case EKHz: |
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635 case EUnitValue: |
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636 { |
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637 size += sizeof(TReal); |
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638 } |
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639 break; |
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640 // allowed cases for string value |
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641 case EString: |
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642 case EIdent: |
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643 case EUri: |
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644 case EAttr: |
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645 case EUnknown: |
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646 { |
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647 size += sizeof(TInt16); |
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648 size += sizeof(TIdentType); |
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649 } |
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650 break; |
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651 case ERgbColor: |
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652 case ERgbaColor: |
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653 { |
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654 size += sizeof(TRgb); |
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655 } |
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656 break; |
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657 default: |
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658 break; |
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659 } |
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660 return size; |
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661 } |
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662 // ----------------------------------------------------------------------------- |
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663 // CXnDomPropertyValue::ExternalizeL |
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664 // Serializing data to stream. |
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665 // ----------------------------------------------------------------------------- |
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666 // |
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667 void CXnDomPropertyValue::ExternalizeL( RWriteStream& aStream ) const |
|
668 { |
|
669 aStream.WriteInt8L( iPrimitiveValueType ); |
|
670 |
|
671 |
|
672 switch( iPrimitiveValueType ) |
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673 { |
|
674 // allowed cases for real value |
|
675 case ENumber: |
|
676 case EPercentage: |
|
677 case EEms: |
|
678 case EExs: |
|
679 case EPx: |
|
680 case ECm: |
|
681 case EMm: |
|
682 case EIn: |
|
683 case EPt: |
|
684 case EPc: |
|
685 case EDeg: |
|
686 case ERad: |
|
687 case EGrad: |
|
688 case EMs: |
|
689 case ES: |
|
690 case EHz: |
|
691 case EKHz: |
|
692 case EUnitValue: |
|
693 { |
|
694 aStream << *iData.iRealValue; |
|
695 } |
|
696 break; |
|
697 // allowed cases for string value |
|
698 case EString: |
|
699 case EIdent: |
|
700 case EUri: |
|
701 case EAttr: |
|
702 case EUnknown: |
|
703 { |
|
704 aStream << iData.iStringRef; |
|
705 aStream.WriteInt8L( iIdent ); |
|
706 } |
|
707 break; |
|
708 case ERgbColor: |
|
709 case ERgbaColor: |
|
710 { |
|
711 aStream << *iData.iRgbColor; |
|
712 } |
|
713 break; |
|
714 default: |
|
715 break; |
|
716 } |
|
717 } |
|
718 // ----------------------------------------------------------------------------- |
|
719 // CXnDomPropertyValue::InternalizeL |
|
720 // Deserializing data from stream to object |
|
721 // ----------------------------------------------------------------------------- |
|
722 // |
|
723 void CXnDomPropertyValue::InternalizeL( RReadStream& aStream ) |
|
724 { |
|
725 iPrimitiveValueType = static_cast<TPrimitiveValueType>( aStream.ReadInt8L() ); |
|
726 |
|
727 ReleaseData(); |
|
728 |
|
729 switch( iPrimitiveValueType ) |
|
730 { |
|
731 // allowed cases for real value |
|
732 case ENumber: |
|
733 case EPercentage: |
|
734 case EEms: |
|
735 case EExs: |
|
736 case EPx: |
|
737 case ECm: |
|
738 case EMm: |
|
739 case EIn: |
|
740 case EPt: |
|
741 case EPc: |
|
742 case EDeg: |
|
743 case ERad: |
|
744 case EGrad: |
|
745 case EMs: |
|
746 case ES: |
|
747 case EHz: |
|
748 case EKHz: |
|
749 case EUnitValue: |
|
750 { |
|
751 iData.iRealValue = new ( ELeave ) TReal(); |
|
752 aStream >> *iData.iRealValue; |
|
753 } |
|
754 break; |
|
755 |
|
756 // allowed cases for string value |
|
757 case EString: |
|
758 case EIdent: |
|
759 case EUri: |
|
760 case EAttr: |
|
761 case EUnknown: |
|
762 { |
|
763 aStream >> iData.iStringRef; |
|
764 iIdent = static_cast<TIdentType>( aStream.ReadInt8L() ); |
|
765 } |
|
766 break; |
|
767 case ERgbColor: |
|
768 case ERgbaColor: |
|
769 { |
|
770 iData.iRgbColor = new (ELeave) TRgb(); |
|
771 aStream >> *iData.iRgbColor; |
|
772 } |
|
773 break; |
|
774 |
|
775 default: |
|
776 break; |
|
777 } |
|
778 } |
|
779 |
|
780 |
|
781 |
|
782 // End of File |