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1 /* |
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2 * Copyright (c) 2004 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: Container for individual key-value pairs |
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15 * |
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16 */ |
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17 |
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18 // INCLUDE FILES |
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19 #include "CIMPSSAPKeyValuePairs.h" |
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20 #include "CIMPSSAPKeyValuePair.h" |
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21 #include "CIMPSSAPLookupKeyValuePair.h" |
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22 #include "IMPSSAPSettingsStorePanics.h" |
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23 #include <e32std.h> |
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24 |
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25 //CONSTANTS |
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26 const TInt KKeyValuePairGranurality = 5; |
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27 |
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28 |
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29 // LOCAL CONSTANTS AND MACROS |
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30 #define KEYWORD_ORDER TLinearOrder< CIMPSSAPKeyValuePair > ( CompareKeys ) |
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31 |
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32 |
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33 // ============================ LOCAL FUNCTIONS =============================== |
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34 |
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35 // ----------------------------------------------------------------------------- |
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36 // CompareKeys() |
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37 // Comparison function for TLinearOrder |
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38 // |
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39 // @param aLhs The left hand side in comparison. |
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40 // @param aRhs The right hand side in comparison. |
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41 // @return Result from compare |
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42 // ----------------------------------------------------------------------------- |
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43 // |
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44 TInt CompareKeys( const CIMPSSAPKeyValuePair& aLhs, const CIMPSSAPKeyValuePair& aRhs ) |
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45 { |
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46 return aLhs.Key().Compare( aRhs.Key() ); |
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47 } |
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48 |
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49 |
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50 |
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51 // ----------------------------------------------------------------------------- |
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52 // SetValueToPairs() |
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53 // Templated algorithm to set or update new value to list of key values. |
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54 // |
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55 // @param aPairs The list of key-value pairs. |
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56 // @param aLookupKey The lookup key to use in searching. |
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57 // @param aKey The key for which to assign the value. |
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58 // @param aValue Templated data type to assign to key. |
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59 // @return Error code. |
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60 // ----------------------------------------------------------------------------- |
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61 // |
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62 template< typename T > |
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63 TInt SetValueToPairs( RPointerArray< CIMPSSAPKeyValuePair >& aPairs, |
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64 CIMPSSAPLookupKeyValuePair& aLookupKey, |
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65 const TDesC& aKey, |
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66 const T& aValue ) |
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67 { |
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68 aLookupKey.SetLookupKey( aKey ); |
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69 |
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70 |
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71 TInt err = KErrNone; |
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72 TInt index = aPairs.FindInOrder( &aLookupKey, KEYWORD_ORDER ); |
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73 |
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74 if ( index != KErrNotFound ) |
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75 { |
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76 //Update existing |
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77 err = aPairs[ index ]->SetValue( aValue ); |
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78 } |
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79 |
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80 else |
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81 { |
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82 //create new |
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83 CIMPSSAPKeyValuePair* newPair = CIMPSSAPKeyValuePair::New( aKey ); |
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84 if ( !newPair ) |
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85 { |
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86 err = KErrNoMemory; |
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87 } |
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88 else |
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89 { |
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90 //Insert new |
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91 |
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92 err = newPair->SetValue( aValue ); |
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93 if ( err == KErrNone ) |
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94 { |
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95 err = aPairs.InsertInOrderAllowRepeats( newPair, KEYWORD_ORDER ); |
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96 } |
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97 |
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98 if ( err != KErrNone ) |
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99 { |
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100 delete newPair; |
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101 } |
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102 |
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103 } |
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104 } |
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105 aLookupKey.ResetLookupKey(); |
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106 return err; |
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107 } |
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108 |
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109 |
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110 |
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111 |
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112 // ----------------------------------------------------------------------------- |
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113 // GetValueFromPairs() |
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114 // |
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115 // Templated algorithm to get value from list of key values. |
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116 // |
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117 // @param aPairs The list of key-value pairs. |
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118 // @param aLookupKey The lookup key to use in searching. |
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119 // @param aKey The key for which to get the value. |
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120 // @param aValue Templated data type to get. |
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121 // @return Error code. |
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122 // ----------------------------------------------------------------------------- |
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123 // |
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124 template< typename T > |
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125 TInt GetValueFromPairs( const RPointerArray< CIMPSSAPKeyValuePair >& aPairs, |
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126 CIMPSSAPLookupKeyValuePair& aLookupKey, |
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127 const TDesC& aKey, |
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128 T& aValue ) |
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129 { |
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130 aLookupKey.SetLookupKey( aKey ); |
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131 |
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132 |
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133 TInt index = aPairs.FindInOrder( &aLookupKey, KEYWORD_ORDER ); |
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134 if ( index != KErrNotFound ) |
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135 { |
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136 index = aPairs[ index ]->GetValue( aValue ); |
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137 } |
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138 |
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139 |
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140 aLookupKey.ResetLookupKey(); |
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141 return index; |
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142 } |
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143 |
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144 |
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145 |
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146 |
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147 // ================= MEMBER FUNCTIONS ======================= |
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148 |
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149 // ----------------------------------------------------------------------------- |
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150 // CIMPSSAPKeyValuePairs::NewL() |
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151 // Two-phased constructor. |
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152 // ----------------------------------------------------------------------------- |
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153 // |
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154 CIMPSSAPKeyValuePairs* CIMPSSAPKeyValuePairs::NewL() |
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155 { |
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156 CIMPSSAPKeyValuePairs* self = new ( ELeave ) CIMPSSAPKeyValuePairs; |
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157 CleanupStack::PushL( self ); |
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158 self->ConstructL(); |
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159 CleanupStack::Pop(); //self |
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160 return self; |
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161 } |
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162 |
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163 |
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164 |
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165 // ----------------------------------------------------------------------------- |
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166 // CIMPSSAPKeyValuePairs::~CIMPSSAPKeyValuePairs() |
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167 // Destructor |
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168 // ----------------------------------------------------------------------------- |
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169 // |
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170 CIMPSSAPKeyValuePairs::~CIMPSSAPKeyValuePairs() |
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171 { |
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172 iPairs.ResetAndDestroy(); |
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173 delete iLookupKey; |
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174 } |
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175 |
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176 |
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177 // ----------------------------------------------------------------------------- |
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178 // CIMPSSAPKeyValuePairs::CIMPSSAPKeyValuePairs() |
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179 // C++ default constructor can NOT contain any code, that |
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180 // might leave. |
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181 // ----------------------------------------------------------------------------- |
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182 // |
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183 CIMPSSAPKeyValuePairs::CIMPSSAPKeyValuePairs() |
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184 : iPairs( KKeyValuePairGranurality ) |
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185 { |
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186 } |
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187 |
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188 |
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189 // ----------------------------------------------------------------------------- |
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190 // CIMPSSAPKeyValuePairs::ConstructL) |
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191 // ----------------------------------------------------------------------------- |
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192 // |
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193 void CIMPSSAPKeyValuePairs::ConstructL() |
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194 { |
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195 iLookupKey = CIMPSSAPLookupKeyValuePair::NewL(); |
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196 } |
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197 |
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198 |
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199 // ----------------------------------------------------------------------------- |
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200 // CIMPSSAPKeyValuePairs::ObjectID() |
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201 // ----------------------------------------------------------------------------- |
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202 // |
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203 TIMPSSapObjectID CIMPSSAPKeyValuePairs::ObjectID() const |
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204 { |
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205 return EIMPSSapObjKeyValuePairs; |
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206 } |
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207 |
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208 |
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209 // ----------------------------------------------------------------------------- |
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210 // CIMPSSAPKeyValuePairs::ObjectVersion() |
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211 // ----------------------------------------------------------------------------- |
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212 // |
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213 TInt CIMPSSAPKeyValuePairs::ObjectVersion() const |
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214 { |
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215 return KIMPSSapObjVersionInitial; |
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216 } |
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217 |
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218 |
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219 // ----------------------------------------------------------------------------- |
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220 // CIMPSSAPKeyValuePairs::ExternalizeVersionDataL() |
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221 // ----------------------------------------------------------------------------- |
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222 // |
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223 void CIMPSSAPKeyValuePairs::ExternalizeVersionDataL( TInt aVersion, |
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224 RWriteStream& aStream ) const |
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225 { |
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226 switch ( aVersion ) |
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227 { |
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228 case KIMPSSapObjVersionInitial: |
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229 { |
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230 //Phase 1 key value objects |
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231 |
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232 const TInt count = iPairs.Count(); |
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233 aStream.WriteInt32L( count ); |
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234 for ( TInt ii = 0; ii < count; ii++ ) |
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235 { |
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236 iPairs[ ii ]->ExternalizeL( aStream ); |
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237 } |
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238 break; |
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239 } |
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240 |
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241 default: |
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242 { |
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243 //Unknown version ID in externalization. |
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244 Panic( EIMPSSetStoreUnknownObjectVersionExternalize ); |
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245 break; |
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246 } |
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247 }; |
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248 } |
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249 |
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250 // ----------------------------------------------------------------------------- |
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251 // CIMPSSAPKeyValuePairs::InternalizeVersionDataL() |
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252 // ----------------------------------------------------------------------------- |
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253 // |
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254 void CIMPSSAPKeyValuePairs::InternalizeVersionDataL( TInt aVersion, |
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255 RReadStream& aStream ) |
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256 { |
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257 switch ( aVersion ) |
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258 { |
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259 case KIMPSSapObjVersionInitial: |
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260 { |
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261 //Phase 1 key value objects |
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262 const TInt count = aStream.ReadInt32L(); |
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263 for ( TInt ii = 0; ii < count; ii++ ) |
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264 { |
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265 CIMPSSAPKeyValuePair* pair = CIMPSSAPKeyValuePair::NewLC( aStream ); |
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266 User::LeaveIfError( iPairs.Append( pair ) ); |
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267 CleanupStack::Pop( pair ); |
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268 } |
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269 |
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270 break; |
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271 } |
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272 |
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273 default: |
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274 { |
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275 //Unknown version ID in internalization. |
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276 Panic( EIMPSSetStoreUnknownObjectVersionInternalize ); |
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277 break; |
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278 } |
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279 }; |
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280 } |
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281 |
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282 |
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283 // ----------------------------------------------------------------------------- |
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284 // CIMPSSAPKeyValuePairs::DataSize() |
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285 // ----------------------------------------------------------------------------- |
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286 // |
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287 TInt CIMPSSAPKeyValuePairs::DataSize() const |
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288 { |
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289 //pairs count == 4 bytes |
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290 TInt dataSize = 4; |
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291 const TInt count = iPairs.Count(); |
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292 for ( TInt ii = 0; ii < count; ii++ ) |
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293 { |
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294 dataSize += iPairs[ ii ]->DataSize(); |
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295 } |
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296 |
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297 return dataSize; |
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298 } |
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299 |
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300 |
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301 // ----------------------------------------------------------------------------- |
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302 // CIMPSSAPKeyValuePairs::Reset() |
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303 // ----------------------------------------------------------------------------- |
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304 // |
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305 void CIMPSSAPKeyValuePairs::Reset() |
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306 { |
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307 iPairs.ResetAndDestroy(); |
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308 } |
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309 |
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310 |
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311 // ----------------------------------------------------------------------------- |
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312 // CIMPSSAPKeyValuePairs::SetValueInt() |
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313 // ----------------------------------------------------------------------------- |
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314 // |
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315 TInt CIMPSSAPKeyValuePairs::SetValueInt( const TDesC& aKey, TInt aValue ) |
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316 { |
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317 return SetValueToPairs( iPairs, *iLookupKey, aKey, aValue ); |
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318 } |
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319 |
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320 |
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321 // ----------------------------------------------------------------------------- |
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322 // CIMPSSAPKeyValuePairs::SetValueDesC8() |
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323 // ----------------------------------------------------------------------------- |
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324 // |
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325 TInt CIMPSSAPKeyValuePairs::SetValueDesC8( const TDesC& aKey, const TDesC8& aValue ) |
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326 { |
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327 return SetValueToPairs( iPairs, *iLookupKey, aKey, aValue ); |
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328 } |
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329 |
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330 |
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331 // ----------------------------------------------------------------------------- |
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332 // CIMPSSAPKeyValuePairs::SetValueDesC16() |
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333 // ----------------------------------------------------------------------------- |
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334 // |
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335 TInt CIMPSSAPKeyValuePairs::SetValueDesC16( const TDesC& aKey, const TDesC16& aValue ) |
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336 { |
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337 return SetValueToPairs( iPairs, *iLookupKey, aKey, aValue ); |
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338 } |
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339 |
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340 |
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341 // ----------------------------------------------------------------------------- |
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342 // CIMPSSAPKeyValuePairs::GetValueInt() |
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343 // ----------------------------------------------------------------------------- |
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344 // |
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345 TInt CIMPSSAPKeyValuePairs::GetValueInt( const TDesC& aKey, TInt& aValue ) |
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346 { |
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347 return GetValueFromPairs( iPairs, *iLookupKey, aKey, aValue ); |
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348 } |
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349 |
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350 |
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351 // ----------------------------------------------------------------------------- |
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352 // CIMPSSAPKeyValuePairs::GetValueDesC8() |
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353 // ----------------------------------------------------------------------------- |
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354 // |
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355 TInt CIMPSSAPKeyValuePairs::GetValueDesC8( const TDesC& aKey, TPtrC8& aValue ) |
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356 { |
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357 return GetValueFromPairs( iPairs, *iLookupKey, aKey, aValue ); |
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358 } |
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359 |
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360 |
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361 // ----------------------------------------------------------------------------- |
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362 // CIMPSSAPKeyValuePairs::GetValueDesC16() |
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363 // ----------------------------------------------------------------------------- |
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364 // |
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365 TInt CIMPSSAPKeyValuePairs::GetValueDesC16( const TDesC& aKey, TPtrC16& aValue ) |
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366 { |
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367 return GetValueFromPairs( iPairs, *iLookupKey, aKey, aValue ); |
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368 } |
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369 |
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370 |
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371 // ----------------------------------------------------------------------------- |
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372 // CIMPSSAPKeyValuePairs::DeletePair() |
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373 // ----------------------------------------------------------------------------- |
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374 // |
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375 TInt CIMPSSAPKeyValuePairs::DeletePair( const TDesC& aKey ) |
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376 { |
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377 |
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378 iLookupKey->SetLookupKey( aKey ); |
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379 |
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380 TInt index = iPairs.FindInOrder( iLookupKey, KEYWORD_ORDER ); |
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381 if ( index != KErrNotFound ) |
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382 { |
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383 delete iPairs[ index ]; |
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384 iPairs.Remove( index ); |
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385 index = KErrNone; |
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386 } |
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387 |
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388 iLookupKey->ResetLookupKey(); |
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389 |
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390 return index; |
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391 } |
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392 |
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393 // ----------------------------------------------------------------------------- |
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394 // CIMPSSAPKeyValuePairs::Pairs() |
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395 // ----------------------------------------------------------------------------- |
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396 // |
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397 const RPointerArray< CIMPSSAPKeyValuePair >& CIMPSSAPKeyValuePairs::Pairs() const |
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398 { |
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399 return iPairs; |
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400 } |
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401 |
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402 // ----------------------------------------------------------------------------- |
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403 // CIMPSSAPKeyValuePairs::Pairs() |
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404 // ----------------------------------------------------------------------------- |
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405 // |
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406 RPointerArray< CIMPSSAPKeyValuePair >& CIMPSSAPKeyValuePairs::Pairs() |
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407 { |
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408 return iPairs; |
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409 } |
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410 |
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411 // End of File |
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412 |