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1 /* |
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2 * Copyright (c) 2009 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: ?Description |
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15 * |
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16 */ |
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17 |
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18 #include "mdeobjectcondition.h" |
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19 #include "mdcserializationbuffer.h" |
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20 #include "mdeobjectdef.h" |
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21 #include "mdepanic.h" |
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22 #include "mdscommoninternal.h" |
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23 #include "mdcquery.h" |
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24 |
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25 |
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26 CMdEObjectCondition* CMdEObjectCondition::NewL( TObjectConditionCompareMethod aCompareMethod, |
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27 TItemId aObjectId, const CMdEObjectDef* aObjectDef, |
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28 TInt64 aObjectGuidHigh, TInt64 aObjectGuidLow ) |
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29 { |
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30 CMdEObjectCondition* self = CMdEObjectCondition::NewLC( aCompareMethod, |
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31 aObjectId, aObjectDef, aObjectGuidHigh, aObjectGuidLow ); |
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32 CleanupStack::Pop( self ); |
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33 return self; |
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34 } |
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35 |
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36 CMdEObjectCondition* CMdEObjectCondition::NewLC( TObjectConditionCompareMethod aCompareMethod, |
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37 TItemId aObjectId, const CMdEObjectDef* aObjectDef, |
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38 TInt64 aObjectGuidHigh, TInt64 aObjectGuidLow ) |
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39 { |
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40 CMdEObjectCondition* self = new (ELeave) CMdEObjectCondition( aCompareMethod, |
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41 aObjectId, aObjectDef, aObjectGuidHigh, aObjectGuidLow ); |
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42 CleanupStack::PushL( self ); |
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43 self->ConstructL(); |
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44 return self; |
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45 } |
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46 |
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47 CMdEObjectCondition* CMdEObjectCondition::NewL( TObjectConditionCompareMethod aCompareMethod, |
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48 const RArray<TItemId>* aObjectIds, const TDesC* aString, const TMdEUintRange* aRange ) |
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49 { |
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50 CMdEObjectCondition* self = CMdEObjectCondition::NewLC( aCompareMethod, aObjectIds, aString, aRange ); |
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51 CleanupStack::Pop( self ); |
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52 return self; |
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53 } |
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54 |
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55 CMdEObjectCondition* CMdEObjectCondition::NewLC( TObjectConditionCompareMethod aCompareMethod, |
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56 const RArray<TItemId>* aObjectIds, const TDesC* aString, const TMdEUintRange* aRange ) |
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57 { |
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58 CMdEObjectCondition* self = new (ELeave) CMdEObjectCondition( aCompareMethod ); |
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59 CleanupStack::PushL( self ); |
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60 self->ConstructL( aObjectIds, aString, aRange ); |
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61 return self; |
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62 } |
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63 |
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64 |
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65 CMdEObjectCondition::CMdEObjectCondition( TObjectConditionCompareMethod aCompareMethod, |
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66 TItemId aObjectId, const CMdEObjectDef* aObjectDef, |
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67 TInt64 aObjectGuidHigh, TInt64 aObjectGuidLow ) |
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68 : CMdECondition(EConditionTypeObject), iObjectDef( aObjectDef ), |
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69 iObjectId( aObjectId ), iObjectIds( NULL ), |
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70 iString( NULL ), iCompareMethod( aCompareMethod ), iFlags( 0 ), |
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71 iConfidentialityLevel(EObjectConditionLevelNormal), |
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72 iGuidHigh( aObjectGuidHigh ), iGuidLow( aObjectGuidLow ), |
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73 iRange( NULL ) |
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74 { |
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75 #ifdef _DEBUG |
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76 if ( iObjectDef ) |
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77 { |
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78 __ASSERT_DEBUG(aCompareMethod == EObjectConditionCompareObjectDef, TMdEPanic::Panic(TMdEPanic::EInternal)); |
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79 } |
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80 else if ( iObjectId != KNoId ) |
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81 { |
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82 __ASSERT_DEBUG(aCompareMethod == EObjectConditionCompareId, TMdEPanic::Panic(TMdEPanic::EInternal)); |
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83 } |
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84 else if ( iGuidHigh != 0 || iGuidLow != 0 ) |
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85 { |
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86 __ASSERT_DEBUG(aCompareMethod == EObjectConditionCompareGuid, TMdEPanic::Panic(TMdEPanic::EInternal)); |
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87 } |
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88 else |
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89 { |
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90 __ASSERT_DEBUG(aCompareMethod == EObjectConditionCompareNone, TMdEPanic::Panic(TMdEPanic::EInternal)); |
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91 } |
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92 |
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93 #endif |
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94 } |
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95 |
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96 CMdEObjectCondition::CMdEObjectCondition( TObjectConditionCompareMethod aCompareMethod ) |
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97 : CMdECondition(EConditionTypeObject), iObjectDef( NULL ), |
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98 iObjectId( KNoId ), iObjectIds( NULL ), |
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99 iString( NULL ), iCompareMethod( aCompareMethod ), iFlags( 0 ), |
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100 iConfidentialityLevel(EObjectConditionLevelNormal), iGuidHigh( 0 ), iGuidLow( 0 ) |
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101 { |
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102 __ASSERT_DEBUG(iCompareMethod > EObjectConditionCompareFirst && iCompareMethod < EObjectConditionCompareLast, TMdEPanic::Panic(TMdEPanic::EInternal)); |
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103 } |
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104 |
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105 void CMdEObjectCondition::ConstructL() |
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106 { |
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107 // Base class construction. |
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108 ConditionConstruct(); |
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109 |
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110 // Non-confidential objects are queried by default |
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111 iConfidentialityLevel = EObjectConditionLevelNormal; |
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112 } |
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113 |
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114 void CMdEObjectCondition::ConstructL( const RArray<TItemId>* aObjectIds, |
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115 const TDesC* aString, const TMdEUintRange* aRange ) |
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116 { |
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117 if ( aString ) |
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118 { |
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119 iString = HBufC::NewL(aString->Length()); |
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120 iString->Des().CopyLC( *aString ); |
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121 } |
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122 else if ( aObjectIds ) |
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123 { |
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124 iObjectIds = new (ELeave) RArray<TItemId>; |
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125 |
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126 const TInt objectIdCount = aObjectIds->Count(); |
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127 iObjectIds->ReserveL( objectIdCount ); |
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128 |
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129 for( TInt i = 0; i < objectIdCount; i++ ) |
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130 { |
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131 iObjectIds->Append( (*aObjectIds)[i] ); |
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132 } |
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133 } |
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134 else if ( aRange ) |
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135 { |
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136 iRange = new(ELeave) TMdEUintRange(*aRange); |
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137 } |
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138 else |
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139 { |
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140 User::Leave( KErrArgument ); |
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141 } |
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142 } |
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143 |
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144 CMdEObjectCondition::~CMdEObjectCondition() |
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145 { |
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146 delete iString; |
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147 |
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148 if( iObjectIds ) |
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149 { |
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150 iObjectIds->Close(); |
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151 |
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152 delete iObjectIds; |
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153 } |
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154 |
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155 delete iRange; |
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156 } |
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157 |
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158 EXPORT_C const CMdEObjectDef* CMdEObjectCondition::ObjectDef() const |
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159 { |
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160 return iObjectDef; |
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161 } |
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162 |
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163 EXPORT_C TItemId CMdEObjectCondition::ObjectId() const |
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164 { |
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165 return iObjectId; |
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166 } |
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167 |
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168 EXPORT_C const RArray<TItemId>* CMdEObjectCondition::ObjectIds() const |
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169 { |
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170 return iObjectIds; |
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171 } |
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172 |
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173 EXPORT_C const TDesC* CMdEObjectCondition::String() const |
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174 { |
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175 return iString; |
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176 } |
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177 |
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178 |
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179 EXPORT_C TObjectConditionCompareMethod CMdEObjectCondition::CompareMethod() const |
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180 { |
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181 return iCompareMethod; |
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182 } |
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183 |
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184 |
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185 EXPORT_C TObjectConditionConfidentialityLevel CMdEObjectCondition::ConfidentialityLevel() const |
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186 { |
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187 return iConfidentialityLevel; |
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188 } |
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189 |
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190 EXPORT_C void CMdEObjectCondition::SetConfidentialityLevel( TObjectConditionConfidentialityLevel aLevel ) |
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191 { |
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192 iConfidentialityLevel = aLevel; |
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193 } |
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194 |
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195 EXPORT_C TBool CMdEObjectCondition::NotPresent() const |
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196 { |
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197 return iFlags & EMdEObjectFlagNotPresent ? ETrue : EFalse; |
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198 } |
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199 |
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200 EXPORT_C void CMdEObjectCondition::SetNotPresent(TBool aNotPresent) |
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201 { |
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202 if( aNotPresent ) |
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203 { |
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204 iFlags |= EMdEObjectFlagNotPresent; |
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205 } |
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206 else |
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207 { |
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208 iFlags &= ~EMdEObjectFlagNotPresent; |
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209 } |
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210 } |
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211 |
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212 EXPORT_C TBool CMdEObjectCondition::NotPlaceholder() const |
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213 { |
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214 return iFlags & EMdEObjectFlagPlaceholder ? ETrue : EFalse; |
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215 } |
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216 |
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217 EXPORT_C void CMdEObjectCondition::SetNotPlaceholder(TBool aNotPlaceholder) |
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218 { |
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219 if( aNotPlaceholder ) |
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220 { |
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221 iFlags |= EMdEObjectFlagPlaceholder; |
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222 } |
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223 else |
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224 { |
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225 iFlags &= ~EMdEObjectFlagPlaceholder; |
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226 } |
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227 } |
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228 |
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229 EXPORT_C TBool CMdEObjectCondition::PlaceholderOnly() const |
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230 { |
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231 return iPlaceholdersOnly; |
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232 } |
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233 |
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234 EXPORT_C void CMdEObjectCondition::SetPlaceholderOnly(TBool aPlaceholderOnly ) |
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235 { |
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236 iPlaceholdersOnly = aPlaceholderOnly; |
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237 } |
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238 |
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239 TUint32 CMdEObjectCondition::InternalQueryOptimizationFlags(TUint32& aFlags) |
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240 { |
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241 TUint32 optimizationFlags = EContainsObjectCondition; |
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242 |
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243 if( iFlags & EMdEObjectFlagNotPresent ) |
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244 { |
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245 optimizationFlags |= EContainsNotPresentCondition; |
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246 } |
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247 |
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248 switch( iCompareMethod ) |
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249 { |
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250 case EObjectConditionCompareFreeText: |
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251 case EObjectConditionCompareFreeTextContains: |
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252 case EObjectConditionCompareFreeTextBeginsWith: |
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253 case EObjectConditionCompareFreeTextEndsWith: |
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254 optimizationFlags |= EContainsFreetextCondition; |
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255 break; |
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256 default: |
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257 break; |
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258 } |
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259 |
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260 if( iPlaceholdersOnly ) |
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261 { |
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262 optimizationFlags |= EContainsPlaceholdersOnly; |
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263 } |
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264 |
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265 aFlags |= optimizationFlags; |
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266 return optimizationFlags; |
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267 } |
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268 |
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269 TUint32 CMdEObjectCondition::RequiredBufferSize() const |
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270 { |
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271 TUint32 bufferSize = sizeof( TMdCObjectCondition ); |
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272 |
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273 switch( iCompareMethod ) |
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274 { |
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275 case EObjectConditionCompareNone: |
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276 break; |
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277 |
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278 case EObjectConditionCompareId: |
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279 { |
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280 // Required size for object ID |
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281 bufferSize += CMdCSerializationBuffer::KRequiredSizeForTItemId; |
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282 } |
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283 break; |
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284 |
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285 case EObjectConditionCompareIds: |
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286 { |
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287 // Required size for object ID |
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288 bufferSize += CMdCSerializationBuffer::KRequiredSizeForTUint32; // count |
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289 if( iObjectIds ) |
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290 { |
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291 bufferSize += CMdCSerializationBuffer::KRequiredSizeForTItemId * iObjectIds->Count(); |
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292 } |
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293 } |
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294 break; |
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295 |
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296 case EObjectConditionCompareGuid: |
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297 { |
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298 // Required size for object GUID high (TInt64), object GUID low (TInt64) |
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299 bufferSize += 2 * CMdCSerializationBuffer::KRequiredSizeForTInt64; |
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300 } |
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301 break; |
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302 |
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303 case EObjectConditionCompareObjectDef: |
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304 { |
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305 // Required size for object def ID (TUint32) |
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306 bufferSize += CMdCSerializationBuffer::KRequiredSizeForTDefId; |
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307 } |
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308 break; |
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309 |
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310 case EObjectConditionCompareUri: |
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311 case EObjectConditionCompareUriBeginsWith: |
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312 case EObjectConditionCompareFreeText: |
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313 case EObjectConditionCompareFreeTextContains: |
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314 case EObjectConditionCompareFreeTextBeginsWith: |
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315 case EObjectConditionCompareFreeTextEndsWith: |
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316 { |
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317 // Required size for string |
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318 bufferSize += CMdCSerializationBuffer::RequiredSize( *iString ); |
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319 } |
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320 break; |
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321 |
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322 case EObjectConditionCompareUsageCount: |
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323 { |
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324 __ASSERT_DEBUG( iRange, User::Panic( _L("Incorrect range condition"), KErrArgument ) ); |
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325 bufferSize += iRange->RequiredBufferSize(); |
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326 } |
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327 break; |
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328 |
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329 default: |
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330 TMdEPanic::Panic( TMdEPanic::EInternal ); |
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331 break; |
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332 } |
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333 |
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334 return bufferSize; |
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335 } |
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336 |
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337 void CMdEObjectCondition::SerializeL(CMdCSerializationBuffer& aBuffer, |
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338 TMdCOffset& aFreespaceOffset) const |
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339 { |
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340 const TUint32 conditionOffset = aBuffer.Position(); |
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341 const TUint32 subConditionOffset = |
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342 conditionOffset + sizeof( TMdCObjectCondition ); |
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343 |
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344 TMdCObjectCondition condition; |
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345 |
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346 condition.iConditionType = iType; |
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347 condition.iNegated = iNegated; |
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348 condition.iConfidentialityLevel = iConfidentialityLevel; |
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349 condition.iCompareMethod = iCompareMethod; |
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350 condition.iFlags = iFlags; |
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351 condition.iCondition = subConditionOffset; |
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352 |
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353 aBuffer.PositionL( subConditionOffset ); |
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354 |
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355 switch( iCompareMethod ) |
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356 { |
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357 case EObjectConditionCompareNone: |
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358 { |
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359 // nothing to compare, so "clear" condition offset |
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360 condition.iCondition = KNoOffset; |
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361 } |
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362 break; |
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363 |
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364 case EObjectConditionCompareId: |
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365 { |
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366 aBuffer.InsertL( iObjectId ); |
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367 } |
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368 break; |
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369 |
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370 case EObjectConditionCompareIds: |
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371 { |
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372 if( iObjectIds ) |
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373 { |
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374 const TInt count = iObjectIds->Count(); |
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375 |
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376 aBuffer.InsertL( (TInt32)count ); |
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377 |
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378 for( TInt i = 0; i < count; i++ ) |
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379 { |
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380 aBuffer.InsertL( (*iObjectIds)[i] ); |
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381 } |
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382 } |
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383 else |
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384 { |
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385 aBuffer.InsertL( TInt32( 0 ) ); |
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386 } |
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387 } |
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388 break; |
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389 |
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390 case EObjectConditionCompareGuid: |
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391 { |
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392 aBuffer.InsertL( iGuidHigh ); |
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393 aBuffer.InsertL( iGuidLow ); |
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394 } |
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395 break; |
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396 |
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397 case EObjectConditionCompareObjectDef: |
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398 { |
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399 aBuffer.InsertL( iObjectDef->Id() ); |
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400 } |
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401 break; |
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402 |
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403 case EObjectConditionCompareUsageCount: |
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404 { |
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405 __ASSERT_DEBUG( iRange, User::Panic( |
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406 _L("Incorrect range condition"), KErrArgument ) ); |
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407 iRange->SerializeL( aBuffer ); |
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408 } |
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409 break; |
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410 |
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411 case EObjectConditionCompareUri: |
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412 case EObjectConditionCompareUriBeginsWith: |
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413 case EObjectConditionCompareFreeText: |
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414 case EObjectConditionCompareFreeTextContains: |
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415 case EObjectConditionCompareFreeTextBeginsWith: |
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416 case EObjectConditionCompareFreeTextEndsWith: |
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417 { |
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418 aBuffer.InsertL( *iString ); |
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419 } |
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420 break; |
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421 |
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422 default: |
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423 { |
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424 #ifdef _DEBUG |
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425 TMdEPanic::Panic(TMdEPanic::EInternal); |
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426 #endif |
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427 } |
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428 break; |
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429 } |
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430 |
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431 // get position after sub condition |
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432 aFreespaceOffset = aBuffer.Position(); |
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433 |
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434 // serialize condition |
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435 aBuffer.PositionL( conditionOffset ); |
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436 condition.SerializeL( aBuffer ); |
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437 |
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438 // and move back to after sub condition |
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439 aBuffer.PositionL( aFreespaceOffset ); |
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440 } |