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1 /* |
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2 * Copyright (c) 2004-2007 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: |
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15 * Implements Virtual Phonebook generic IPC package. |
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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 "VPbkIPCPackage.h" |
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21 |
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22 // System includes |
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23 #include <barsread.h> |
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24 #include <s32mem.h> |
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25 |
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26 /// Unnamed namespace for local definitions |
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27 namespace { |
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28 |
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29 const TInt KNumberSize = 4; |
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30 const TInt KEmpty = 0; |
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31 const TInt KDouble = 2; |
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32 |
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33 } /// namespace |
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34 |
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35 namespace VPbkEngUtils { |
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36 |
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37 // -------------------------------------------------------------------------- |
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38 // VPbkIPCPackage::ExternalizeL |
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39 // -------------------------------------------------------------------------- |
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40 // |
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41 EXPORT_C void VPbkIPCPackage::ExternalizeL( |
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42 const TDesC8* aBuffer, |
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43 RDesWriteStream& aWriteStream ) |
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44 { |
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45 if ( aBuffer ) |
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46 { |
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47 aWriteStream.WriteUint32L( aBuffer->Length() ); |
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48 aWriteStream.WriteL( *aBuffer ); |
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49 } |
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50 else |
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51 { |
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52 aWriteStream.WriteUint32L( KEmpty ); |
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53 } |
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54 } |
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55 |
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56 // -------------------------------------------------------------------------- |
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57 // VPbkIPCPackage::ExternalizeL |
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58 // -------------------------------------------------------------------------- |
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59 // |
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60 EXPORT_C void VPbkIPCPackage::ExternalizeL( |
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61 const TDesC* aBuffer, |
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62 RDesWriteStream& aWriteStream ) |
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63 { |
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64 if ( aBuffer ) |
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65 { |
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66 aWriteStream.WriteUint32L( aBuffer->Length() ); |
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67 aWriteStream.WriteL( *aBuffer ); |
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68 } |
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69 else |
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70 { |
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71 aWriteStream.WriteUint32L( KEmpty ); |
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72 } |
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73 } |
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74 |
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75 // -------------------------------------------------------------------------- |
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76 // VPbkIPCPackage::InternalizeL |
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77 // -------------------------------------------------------------------------- |
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78 // |
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79 EXPORT_C void VPbkIPCPackage::InternalizeL( |
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80 HBufC8*& aBuffer, |
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81 RDesReadStream& aReadStream ) |
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82 { |
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83 delete aBuffer; |
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84 aBuffer = NULL; |
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85 |
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86 TInt length( aReadStream.ReadUint32L() ); |
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87 if ( length > 0 ) |
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88 { |
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89 aBuffer = HBufC8::NewL( length ); |
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90 TPtr8 ptr = aBuffer->Des(); |
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91 aReadStream.ReadL( ptr ,length ); |
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92 } |
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93 } |
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94 |
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95 // -------------------------------------------------------------------------- |
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96 // VPbkIPCPackage::InternalizeL |
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97 // -------------------------------------------------------------------------- |
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98 // |
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99 EXPORT_C void VPbkIPCPackage::InternalizeL( |
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100 HBufC*& aBuffer, |
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101 RDesReadStream& aReadStream ) |
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102 { |
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103 delete aBuffer; |
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104 aBuffer = NULL; |
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105 |
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106 TInt length( aReadStream.ReadUint32L() ); |
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107 if ( length > 0 ) |
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108 { |
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109 aBuffer = HBufC::NewL( length ); |
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110 TPtr ptr = aBuffer->Des(); |
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111 aReadStream.ReadL( ptr ,length ); |
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112 } |
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113 } |
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114 |
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115 // -------------------------------------------------------------------------- |
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116 // VPbkIPCPackage::InternalizeL |
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117 // -------------------------------------------------------------------------- |
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118 // |
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119 EXPORT_C void VPbkIPCPackage::InternalizeL |
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120 ( HBufC8*& aBuffer, RDesReadStream& aReadStream, |
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121 const TInt aPosition ) |
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122 { |
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123 delete aBuffer; |
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124 aBuffer = NULL; |
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125 |
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126 // Read the non relevant parts of the package |
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127 for ( TInt i=0; i < aPosition; ++ i ) |
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128 { |
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129 TInt dummyLength = aReadStream.ReadUint32L(); |
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130 aReadStream.ReadL(dummyLength); |
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131 } |
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132 |
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133 TInt length( aReadStream.ReadUint32L() ); |
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134 if ( length > 0 ) |
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135 { |
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136 aBuffer = HBufC8::NewL( length ); |
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137 TPtr8 ptr = aBuffer->Des(); |
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138 aReadStream.ReadL( ptr ,length ); |
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139 } |
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140 } |
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141 |
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142 // -------------------------------------------------------------------------- |
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143 // VPbkIPCPackage::InternalizeL |
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144 // -------------------------------------------------------------------------- |
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145 // |
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146 EXPORT_C void VPbkIPCPackage::InternalizeL |
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147 ( HBufC*& aBuffer, RDesReadStream& aReadStream, |
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148 const TInt aPosition ) |
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149 { |
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150 delete aBuffer; |
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151 aBuffer = NULL; |
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152 |
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153 // Read the non relevant parts of the package |
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154 for ( TInt i=0; i < aPosition; ++ i ) |
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155 { |
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156 TInt dummyLength = aReadStream.ReadUint32L(); |
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157 aReadStream.ReadL(dummyLength); |
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158 } |
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159 |
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160 TInt length( aReadStream.ReadUint32L() ); |
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161 if ( length > 0 ) |
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162 { |
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163 aBuffer = HBufC::NewL( length ); |
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164 TPtr ptr = aBuffer->Des(); |
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165 aReadStream.ReadL( ptr ,length ); |
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166 } |
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167 } |
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168 |
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169 // -------------------------------------------------------------------------- |
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170 // VPbkIPCPackage::CountPackageSize |
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171 // -------------------------------------------------------------------------- |
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172 // |
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173 EXPORT_C TInt VPbkIPCPackage::CountPackageSize( const TDesC8* aBuffer ) |
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174 { |
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175 if ( aBuffer ) |
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176 { |
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177 return aBuffer->Length() + KNumberSize; |
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178 } |
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179 return KNumberSize; |
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180 } |
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181 |
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182 // -------------------------------------------------------------------------- |
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183 // VPbkIPCPackage::CountPackagesLength |
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184 // -------------------------------------------------------------------------- |
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185 // |
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186 EXPORT_C TInt VPbkIPCPackage::CountPackageSize( const TDesC* aBuffer ) |
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187 { |
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188 if ( aBuffer ) |
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189 { |
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190 return aBuffer->Length()*KDouble + KNumberSize; |
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191 } |
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192 return KNumberSize; |
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193 } |
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194 |
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195 } /// namespace |
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196 |
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197 // End of File |