1 /* |
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2 * Copyright (c) 2004-2006 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: RNssVasDbSession is the client-side(proxy) interface through which |
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15 * communication with the vasdb server is channelled. |
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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 "nssvasrvasdbsession.h" |
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21 #include "nssvascvasdb.h" |
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22 |
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23 // Complementary macro for TRAPD: |
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24 // TRAPD( err, doSomething() ); |
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25 // REACT( err, return( err ) ); |
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26 #define REACT(a,b) if ( a < 0 ) {b;} |
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27 |
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28 // ----------------------------------------------------------------------------- |
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29 // RNssVasDbSession::RNssVasDbSession |
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30 // C++ constructor |
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31 // ----------------------------------------------------------------------------- |
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32 // |
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33 RNssVasDbSession::RNssVasDbSession() |
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34 { |
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35 iConnected = 0; |
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36 } |
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37 |
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38 // ----------------------------------------------------------------------------- |
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39 // RNssVasDbSession::~RNssVasDbSession |
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40 // C++ destructor. |
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41 // ----------------------------------------------------------------------------- |
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42 // |
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43 RNssVasDbSession::~RNssVasDbSession() |
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44 { |
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45 delete iVasDb; |
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46 } |
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47 |
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48 // ----------------------------------------------------------------------------- |
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49 // RNssVasDbSession::CreateDatabase |
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50 // Method to create the database. |
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51 // ----------------------------------------------------------------------------- |
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52 // |
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53 TInt RNssVasDbSession::CreateDatabase() |
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54 { |
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55 TRAPD( error, iVasDb->CreateDatabaseL() ); |
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56 |
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57 return error; |
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58 } |
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59 |
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60 // ----------------------------------------------------------------------------- |
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61 // RNssVasDbSession::OpenDatabase |
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62 // Method to open the database. |
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63 // ----------------------------------------------------------------------------- |
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64 // |
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65 TInt RNssVasDbSession::OpenDatabase() |
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66 { |
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67 if ( iConnected ) |
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68 { |
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69 iConnected++; |
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70 return KErrDbAlreadyOpen; |
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71 } |
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72 |
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73 TRAPD( error, iVasDb->OpenDatabaseL() ); |
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74 |
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75 if ( error == KErrNone ) |
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76 { |
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77 iConnected++; |
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78 } |
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79 |
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80 return error; |
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81 } |
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82 |
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83 // ----------------------------------------------------------------------------- |
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84 // RNssVasDbSession::CloseDatabase |
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85 // Method to close the database. |
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86 // ----------------------------------------------------------------------------- |
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87 // |
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88 TInt RNssVasDbSession::CloseDatabase() |
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89 { |
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90 // Check if already closed (or never opened) |
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91 if ( iConnected <= 0 ) |
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92 { |
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93 return( KErrNone ); |
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94 } |
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95 |
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96 // Some other VAS instance in the same thread may be using the database. |
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97 iConnected--; |
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98 |
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99 // If not, close it. |
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100 if ( iConnected <= 0 ) |
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101 { |
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102 return iVasDb->CloseDatabase(); |
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103 } |
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104 |
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105 return( KErrNone ); |
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106 } |
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107 |
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108 // ----------------------------------------------------------------------------- |
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109 // RNssVasDbSession::ModelBankIdLexiconId |
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110 // A method to get the model bank id and lexicon id. |
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111 // ----------------------------------------------------------------------------- |
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112 // |
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113 TBool RNssVasDbSession::ModelBankIdLexiconId( TUint32& aModelBankId, TUint32& aLexiconId ) |
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114 { |
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115 TBool ret = EFalse; |
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116 |
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117 TRAPD( err, ret = iVasDb->GetModelBankIdLexiconIdL( aModelBankId, aLexiconId ) ); |
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118 |
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119 // To remove warning |
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120 if ( err != KErrNone ) |
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121 { |
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122 } |
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123 |
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124 return ret; |
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125 } |
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126 |
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127 // ----------------------------------------------------------------------------- |
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128 // RNssVasDbSession::TagExist |
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129 // Method to check whether the context has tags or it is empty. |
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130 // ----------------------------------------------------------------------------- |
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131 // |
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132 TBool RNssVasDbSession::TagExist(TInt aContextId) |
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133 { |
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134 TBool tagExists = EFalse; |
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135 |
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136 TRAPD( err, tagExists = iVasDb->TagExistL( aContextId ) ); |
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137 REACT( err, tagExists = EFalse ); |
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138 |
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139 return( tagExists ); |
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140 } |
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141 |
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142 // ----------------------------------------------------------------------------- |
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143 // RNssVasDbSession::TagCount |
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144 // Method to return the number of tags in a context. |
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145 // ----------------------------------------------------------------------------- |
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146 // |
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147 TInt RNssVasDbSession::TagCount(TInt aContextId) |
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148 { |
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149 TInt ret = 0; |
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150 |
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151 TRAPD( err, ret = iVasDb->TagCountL( aContextId ) ); |
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152 |
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153 // To remove warning |
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154 if ( err != KErrNone ) |
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155 { |
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156 } |
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157 |
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158 return ret; |
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159 } |
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160 |
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161 // ----------------------------------------------------------------------------- |
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162 // RNssVasDbSession::SaveContext |
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163 // Method to save a context. When a context is saved, a context ID is |
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164 // assigned to it. The newly assigned ID is returned |
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165 // ----------------------------------------------------------------------------- |
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166 // |
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167 TInt RNssVasDbSession::SaveContext( CNssContext& aContext, TInt& aContextId ) |
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168 { |
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169 TRAPD( error, iVasDb->SaveContextL( aContext, aContextId ) ); |
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170 |
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171 return error; |
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172 } |
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173 |
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174 // ----------------------------------------------------------------------------- |
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175 // RNssVasDbSession::UpdateContext |
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176 // Method to update the data of a context. |
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177 // ----------------------------------------------------------------------------- |
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178 // |
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179 TInt RNssVasDbSession::UpdateContext(CNssContext& aContext) |
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180 { |
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181 TInt ret = KErrNone; |
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182 |
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183 TRAP( ret, iVasDb->UpdateContextL( aContext ) ); |
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184 |
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185 return ret; |
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186 } |
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187 |
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188 // ----------------------------------------------------------------------------- |
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189 // RNssVasDbSession::UpdateContextClientData |
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190 // Method to update the client data of a context. |
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191 // ----------------------------------------------------------------------------- |
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192 // |
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193 TInt RNssVasDbSession::UpdateContextClientData(CNssContext& aContext) |
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194 { |
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195 TInt ret = KErrNone; |
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196 |
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197 TRAP( ret, iVasDb->UpdateContextClientDataL( aContext ) ); |
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198 |
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199 return ret; |
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200 } |
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201 |
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202 // ----------------------------------------------------------------------------- |
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203 // RNssVasDbSession::GetContextByName |
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204 // Method to get a context by name. |
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205 // ----------------------------------------------------------------------------- |
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206 // |
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207 CArrayPtrFlat<CNssContext>* RNssVasDbSession::GetContextByName(const TDesC& aName) |
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208 { |
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209 //CArrayFixFlat<CNssContext>* res = 0; |
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210 CArrayPtrFlat<CNssContext>* res = 0; |
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211 |
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212 TRAPD( err, res = iVasDb->GetContextByNameL( aName ) ); |
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213 |
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214 // To remove warning |
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215 if ( err != KErrNone ) |
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216 { |
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217 } |
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218 |
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219 return( res ); |
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220 } |
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221 |
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222 // ----------------------------------------------------------------------------- |
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223 // RNssVasDbSession::GetAllGlobalContexts |
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224 // Method to list all global contexts. |
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225 // ----------------------------------------------------------------------------- |
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226 // |
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227 //CArrayFixFlat<CNssContext>* RNssVasDbSession::GetGlobalContexts() |
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228 CArrayPtrFlat<CNssContext>* RNssVasDbSession::GetGlobalContexts() |
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229 { |
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230 //CArrayFixFlat<CNssContext>* res = 0; |
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231 CArrayPtrFlat<CNssContext>* res = 0; |
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232 |
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233 TRAPD( err, res = iVasDb->GetGlobalContexts() ); |
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234 |
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235 // To remove warning |
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236 if ( err != KErrNone ) |
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237 { |
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238 } |
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239 |
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240 return( res ); |
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241 } |
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242 |
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243 // ----------------------------------------------------------------------------- |
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244 // RNssVasDbSession::GetAllContexts |
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245 // Method to list all contexts. |
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246 // ----------------------------------------------------------------------------- |
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247 // |
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248 //CArrayFixFlat<CNssContext>* RNssVasDbSession::GetAllContexts() |
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249 CArrayPtrFlat<CNssContext>* RNssVasDbSession::GetAllContexts() |
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250 { |
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251 //CArrayFixFlat<CNssContext>* res = 0; |
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252 CArrayPtrFlat<CNssContext>* res = 0; |
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253 |
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254 TRAPD( err, res = iVasDb->GetAllContexts() ); |
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255 |
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256 // To remove warning |
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257 if ( err != KErrNone ) |
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258 { |
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259 } |
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260 |
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261 return( res ); |
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262 } |
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263 |
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264 // ----------------------------------------------------------------------------- |
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265 // RNssVasDbSession::GetTag |
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266 // Method to get all tags in a context. |
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267 // ----------------------------------------------------------------------------- |
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268 // |
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269 //TNssTagListArray* RNssVasDbSession::GetTag( const TNssContext& aContext ) |
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270 CArrayPtrFlat<CNssTag>* RNssVasDbSession::GetTag( const CNssContext& aContext ) |
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271 { |
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272 //TNssTagListArray* res = NULL; |
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273 CArrayPtrFlat<CNssTag>* res = NULL; |
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274 |
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275 TRAPD( err, res = iVasDb->GetTagL( aContext ) ); |
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276 |
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277 // To remove warning |
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278 if ( err != KErrNone ) |
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279 { |
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280 } |
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281 |
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282 return( res ); |
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283 } |
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284 |
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285 // ----------------------------------------------------------------------------- |
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286 // RNssVasDbSession::GetTag |
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287 // Method to get a tag by grammar ID and rule ID. |
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288 // ----------------------------------------------------------------------------- |
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289 // |
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290 //TNssTagListArray* RNssVasDbSession::GetTag( TNssGrammarIdRuleId aGrammarIdRuleId ) |
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291 CArrayPtrFlat<CNssTag>* RNssVasDbSession::GetTag( TNssGrammarIdRuleId aGrammarIdRuleId ) |
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292 { |
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293 //TNssTagListArray* res = NULL; |
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294 CArrayPtrFlat<CNssTag>* res = NULL; |
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295 |
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296 TRAPD( err, res = iVasDb->GetTagL( aGrammarIdRuleId ) ); |
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297 |
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298 // To remove warning |
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299 if ( err != KErrNone ) |
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300 { |
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301 } |
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302 |
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303 return( res ); |
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304 } |
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305 |
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306 // ----------------------------------------------------------------------------- |
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307 // RNssVasDbSession::GetTags |
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308 // Method to get tags by their grammar ID and rule ID. |
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309 // ----------------------------------------------------------------------------- |
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310 // |
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311 //TNssTagListArray* RNssVasDbSession::GetTags( TNssGrammarIdRuleIdListArray& aGrammarIdRuleIds ) |
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312 CArrayPtrFlat<CNssTag>* RNssVasDbSession::GetTags( |
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313 TNssGrammarIdRuleIdListArray& aGrammarIdRuleIds ) |
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314 { |
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315 //TNssTagListArray* res = NULL; |
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316 CArrayPtrFlat<CNssTag>* res = NULL; |
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317 |
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318 TRAPD( err, res = iVasDb->GetTagsL( aGrammarIdRuleIds ) ); |
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319 |
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320 // To remove warning |
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321 if ( err != KErrNone ) |
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322 { |
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323 } |
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324 |
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325 return( res ); |
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326 } |
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327 |
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328 // ----------------------------------------------------------------------------- |
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329 // RNssVasDbSession::GetTag |
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330 // Method to get a tag by name (CNssSpeechItem::SetText). |
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331 // ----------------------------------------------------------------------------- |
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332 // |
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333 //TNssTagListArray* RNssVasDbSession::GetTag( const TDesC& aName ) |
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334 CArrayPtrFlat<CNssTag>* RNssVasDbSession::GetTag( const TDesC& aName ) |
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335 { |
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336 //TNssTagListArray* res = NULL; |
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337 CArrayPtrFlat<CNssTag>* res = NULL; |
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338 |
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339 TRAPD( err, res = iVasDb->GetTagL( aName ) ); |
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340 |
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341 // To remove warning |
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342 if ( err != KErrNone ) |
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343 { |
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344 } |
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345 |
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346 return( res ); |
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347 } |
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348 |
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349 // ----------------------------------------------------------------------------- |
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350 // RNssVasDbSession::GetTag |
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351 // Method to get a tag by RRD data, given RRD integer and the position (0-4) |
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352 // to which the integer is compared. |
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353 // ----------------------------------------------------------------------------- |
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354 // |
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355 //TNssTagListArray* RNssVasDbSession::GetTag( TInt aContextId, TInt aNum, TInt aPosition ) |
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356 CArrayPtrFlat<CNssTag>* RNssVasDbSession::GetTag( TInt aContextId, TInt aNum, TInt aPosition ) |
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357 { |
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358 //TNssTagListArray* res = NULL; |
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359 CArrayPtrFlat<CNssTag>* res = NULL; |
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360 |
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361 TRAPD( err, res = iVasDb->GetTagL( aContextId, aNum, aPosition ) ); |
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362 |
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363 // To remove warning |
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364 if ( err != KErrNone ) |
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365 { |
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366 } |
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367 |
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368 return( res ); |
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369 } |
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370 |
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371 // ----------------------------------------------------------------------------- |
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372 // RNssVasDbSession::GetTag |
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373 // Method to get a tag by RRD data, given RRD text and the position (0-4) |
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374 // to which the text is compared. |
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375 // ----------------------------------------------------------------------------- |
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376 // |
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377 //TNssTagListArray* RNssVasDbSession::GetTag( TInt aContextId, TDesC& aText, TInt aPosition ) |
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378 CArrayPtrFlat<CNssTag>* RNssVasDbSession::GetTag( TInt aContextId, |
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379 const TDesC& aText, TInt aPosition ) |
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380 { |
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381 //TNssTagListArray* res = NULL; |
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382 CArrayPtrFlat<CNssTag>* res = NULL; |
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383 |
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384 TRAPD( err, res = iVasDb->GetTagL( aContextId, aText, aPosition ) ); |
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385 |
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386 // To remove warning |
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387 if ( err != KErrNone ) |
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388 { |
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389 } |
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390 |
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391 return( res ); |
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392 } |
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393 |
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394 // ----------------------------------------------------------------------------- |
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395 // RNssVasDbSession::GetTag |
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396 // Method to get a tag, given the tag ID. |
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397 // ----------------------------------------------------------------------------- |
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398 // |
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399 //TNssTagListArray* RNssVasDbSession::GetTag( TUint32 aTagId ) |
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400 CArrayPtrFlat<CNssTag>* RNssVasDbSession::GetTag( TUint32 aTagId ) |
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401 { |
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402 //TNssTagListArray* res = NULL; |
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403 CArrayPtrFlat<CNssTag>* res = NULL; |
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404 |
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405 TRAPD( err, res = iVasDb->GetTagL( aTagId ) ); |
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406 |
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407 // To remove warning |
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408 if ( err != KErrNone ) |
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409 { |
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410 } |
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411 |
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412 return( res ); |
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413 } |
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414 |
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415 // ----------------------------------------------------------------------------- |
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416 // RNssVasDbSession::SaveTag |
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417 // Method to save a tag. During saving, a Tag ID is assigned for the tag. |
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418 // This ID is returned in the refrence parameter. |
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419 // ----------------------------------------------------------------------------- |
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420 // |
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421 //TInt RNssVasDbSession::SaveTag( TNssTag& aTag, TInt& aNewId ) |
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422 TInt RNssVasDbSession::SaveTag( CNssTag& aTag, TInt& aNewId ) |
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423 { |
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424 TInt ret = 0; |
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425 |
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426 TRAPD( err, iVasDb->SaveTagL( aTag, aNewId ) ); |
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427 REACT( err, ret = err ); |
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428 |
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429 return ret; |
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430 } |
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431 |
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432 // ----------------------------------------------------------------------------- |
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433 // RNssVasDbSession::SaveTags |
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434 // Method to save a group of tags. During saving, a Tag IDs are assigned |
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435 // for the tags. These IDs is returned in the aTagIdArray. |
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436 // ----------------------------------------------------------------------------- |
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437 // |
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438 //TInt RNssVasDbSession::SaveTags( CArrayFixFlat<TNssTag>* aTagArray, RArray<TInt>& aTagIdArray ) |
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439 TInt RNssVasDbSession::SaveTags( CArrayPtrFlat<CNssTag>* aTagArray, RArray<TInt>& aTagIdArray ) |
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440 { |
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441 TRAPD( ret, iVasDb->SaveTagsL( aTagArray, aTagIdArray ) ); |
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442 |
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443 return ret; |
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444 } |
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445 |
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446 // ----------------------------------------------------------------------------- |
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447 // RNssVasDbSession::DeleteTag |
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448 // Method to delete a group of tags. |
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449 // ----------------------------------------------------------------------------- |
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450 // |
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451 TInt RNssVasDbSession::DeleteTags( const RArray<TUint32>& aTagIdArray ) |
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452 { |
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453 TRAPD( ret, iVasDb->DeleteTagsL( aTagIdArray ) ); |
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454 |
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455 return ret; |
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456 } |
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457 |
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458 // ----------------------------------------------------------------------------- |
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459 // RNssVasDbSession::UpdateTag |
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460 // Method to update the information of an existing tag. |
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461 // ----------------------------------------------------------------------------- |
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462 // |
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463 //TInt RNssVasDbSession::UpdateTag( const TNssTag& /*aTag*/ ) |
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464 TInt RNssVasDbSession::UpdateTag( const CNssTag& /*aTag*/ ) |
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465 { |
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466 return KErrNotSupported; |
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467 } |
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468 |
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469 // ----------------------------------------------------------------------------- |
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470 // RNssVasDbSession::UpdateTagRuleIDs |
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471 // Method to update the Rule IDs of some tags. |
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472 // ----------------------------------------------------------------------------- |
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473 // |
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474 TInt RNssVasDbSession::UpdateTagRuleIDs( const RArray<TNssSpeechItem>& aRetrainedTags ) |
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475 { |
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476 TRAPD( ret, iVasDb->UpdateTagRuleIDsL( aRetrainedTags ) ); |
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477 return( ret ); |
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478 } |
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479 |
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480 // ----------------------------------------------------------------------------- |
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481 // RNssVasDbSession::DeleteTag |
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482 // Method to delete a tag by name. |
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483 // ----------------------------------------------------------------------------- |
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484 // |
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485 TInt RNssVasDbSession::DeleteTag( const TDesC& aTagName ) |
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486 { |
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487 TRAPD( error, iVasDb->DeleteTagL( aTagName ) ); |
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488 |
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489 return( error ); |
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490 } |
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491 |
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492 // ----------------------------------------------------------------------------- |
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493 // RNssVasDbSession::DeleteTag |
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494 // Method to delete a tag by identifier. |
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495 // ----------------------------------------------------------------------------- |
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496 // |
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497 TInt RNssVasDbSession::DeleteTag( TInt aTagId ) |
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498 { |
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499 TRAPD( error, iVasDb->DeleteTagL( aTagId ) ); |
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500 |
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501 return( error ); |
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502 } |
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503 |
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504 // ----------------------------------------------------------------------------- |
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505 // RNssVasDbSession::DeleteContext |
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506 // Method to delete a context from the database. |
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507 // ----------------------------------------------------------------------------- |
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508 // |
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509 TInt RNssVasDbSession::DeleteContext( const TDesC& aName ) |
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510 { |
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511 TRAPD( err, iVasDb->DeleteContextL( aName ) ); |
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512 |
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513 return( err ); |
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514 } |
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515 |
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516 // ----------------------------------------------------------------------------- |
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517 // RNssVasDbSession::GetTagReferenceList |
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518 // Method to get references to all tags in a context. |
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519 // ----------------------------------------------------------------------------- |
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520 // |
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521 TNssTagReferenceListArray* RNssVasDbSession::GetTagReferenceList( TInt aContextId ) |
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522 { |
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523 TNssTagReferenceListArray* result = 0; |
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524 |
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525 TRAPD( err, result = iVasDb->GetTagReferenceListL( aContextId ) ); |
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526 |
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527 // To remove warning |
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528 if ( err != KErrNone ) |
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529 { |
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530 } |
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531 |
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532 return( result ); |
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533 } |
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534 |
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535 // ----------------------------------------------------------------------------- |
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536 // RNssVasDbSession::GetDefaultModelBankId |
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537 // Method to get the default model bank id |
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538 // ----------------------------------------------------------------------------- |
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539 // |
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540 TInt RNssVasDbSession::GetDefaultModelBankId( TUint32& aId ) |
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541 { |
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542 TRAPD( err, iVasDb->GetDefaultModelBankIdL( aId ) ); |
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543 return err; |
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544 } |
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545 |
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546 // ----------------------------------------------------------------------------- |
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547 // RNssVasDbSession::ResetModelBank |
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548 // Modifies the context table so that all contexts start using |
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549 // the new id as their model bank id. |
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550 // ----------------------------------------------------------------------------- |
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551 // |
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552 TInt RNssVasDbSession::ResetModelBank( TUint32 aNewId ) |
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553 { |
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554 TRAPD( err, iVasDb->ResetModelBankL( aNewId ) ); |
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555 return err; |
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556 } |
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