author | hgs |
Tue, 10 Aug 2010 14:46:45 +0300 | |
changeset 52 | d6b9e89d80a3 |
parent 0 | 4e1aa6a622a0 |
child 61 | 8cb079868133 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2009 - 2010 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: Implementation of SysLangUtil class. |
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* |
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*/ |
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#include <s32file.h> |
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#include <centralrepository.h> |
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#include "syslangutil.h" |
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#include "syslangutiltrace.h" |
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#include "ssmmapperutilitystatic.h" |
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#include "syslangutilprivatecrkeys.h" |
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#include "ssmcommonlocale.h" |
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#include <CommonEngineDomainCRKeys.h> |
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const TInt KReadBufSize = 10; |
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const TInt KLangArraySize = 10; |
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//Maximum number of retries for starting cenrep transaction. |
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const TInt KMaxCountForReiteration = 5; |
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// R&D support: Use language file in Starters internal directory for module |
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// testing purposes. |
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#ifdef __STARTER_MODULE_TEST_SUPPORT__ |
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_LIT( KLanguagesIni, "C:\\private\\100059C9\\languages.txt" ); |
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_LIT( KRegionsIni, "C:\\private\\100059C9\\regions.txt" ); |
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_LIT( KCollationsIni, "C:\\private\\100059C9\\collations.txt" ); |
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#else // __STARTER_MODULE_TEST_SUPPORT__ |
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_LIT( KLanguagesIni, "z:\\resource\\bootdata\\languages.txt" ); |
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_LIT( KRegionsIni, "z:\\resource\\bootdata\\regions.txt" ); |
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_LIT( KCollationsIni, "z:\\resource\\bootdata\\collations.txt" ); |
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#endif // __STARTER_MODULE_TEST_SUPPORT__ |
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// ============================ MEMBER FUNCTIONS =============================== |
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// ----------------------------------------------------------------------------- |
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// SysLangUtil::IsValidLanguage |
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// |
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// ----------------------------------------------------------------------------- |
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// |
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EXPORT_C TBool SysLangUtil::IsValidLanguage( |
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const TInt& aLanguage, |
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RFs* aFileServerSession ) |
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{ |
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API_FUNC_ENTRY_TRACE; |
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TBool hadFS; |
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TInt err; |
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aFileServerSession = CheckFS( aFileServerSession, hadFS, err ); |
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if ( err ) |
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{ |
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return EFalse; |
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} |
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RFile file; |
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err = file.Open( |
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*aFileServerSession, |
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KLanguagesIni, |
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EFileStream | EFileRead | EFileShareReadersOnly ); |
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if ( !err ) |
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{ |
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// Prepare Reader |
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TFileText reader; |
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reader.Set(file); |
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if ( reader.Seek(ESeekStart) ) |
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{ |
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file.Close(); |
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if ( !hadFS ) |
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{ |
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aFileServerSession->Close(); |
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delete aFileServerSession; |
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aFileServerSession = NULL; |
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} |
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return EFalse; |
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} |
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TBuf<KReadBufSize> readBuf; |
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err = EFalse; // This solution is not very elegant but saves ROM :) |
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while ( !reader.Read( readBuf ) && readBuf.Length() ) |
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{ |
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if ( readBuf.Length() > 1 ) |
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{ |
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TLex lex( readBuf ); |
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lex.SkipSpace(); |
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TInt language; |
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err = lex.Val( language ); |
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|
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if ( language == aLanguage ) |
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{ |
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err = ETrue; |
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break; |
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} |
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} |
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} |
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file.Close(); |
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} |
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else |
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114 |
{ |
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err = EFalse; |
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ERROR_TRACE_1( "ERROR: file '%S' is missing", &KLanguagesIni ); |
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} |
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118 |
|
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if ( !hadFS ) |
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120 |
{ |
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aFileServerSession->Close(); |
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delete aFileServerSession; |
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aFileServerSession = NULL; |
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} |
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125 |
|
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FUNC_EXIT_RET_TRACE( err ); |
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return err; |
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} |
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129 |
|
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130 |
|
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// ----------------------------------------------------------------------------- |
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// SysLangUtil::GetDefaultLanguage |
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// |
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// ----------------------------------------------------------------------------- |
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135 |
// |
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EXPORT_C TInt SysLangUtil::GetDefaultLanguage( |
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TInt& aLanguage, |
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RFs* aFileServerSession ) |
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139 |
{ |
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API_FUNC_ENTRY_TRACE; |
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141 |
|
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TBool hadFS; |
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143 |
TInt err; |
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144 |
aFileServerSession = CheckFS( aFileServerSession, hadFS, err ); |
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145 |
|
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146 |
if ( err ) |
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147 |
{ |
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148 |
return err; |
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149 |
} |
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150 |
|
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151 |
RFile file; |
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152 |
err = file.Open( |
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153 |
*aFileServerSession, |
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154 |
KLanguagesIni, |
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155 |
EFileStream | EFileRead | EFileShareReadersOnly ); |
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156 |
|
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157 |
if ( !err ) |
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158 |
{ |
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159 |
// Prepare Reader |
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160 |
TFileText reader; |
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161 |
reader.Set(file); |
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162 |
err = reader.Seek( ESeekStart ); |
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163 |
if ( !err ) |
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164 |
{ |
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165 |
TBuf<KReadBufSize> readBuf; |
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166 |
|
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167 |
while ( !reader.Read( readBuf ) && readBuf.Length() ) |
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168 |
{ |
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169 |
if ( readBuf.Locate('d') != KErrNotFound ) |
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170 |
{ |
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171 |
TLex lex( readBuf ); |
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172 |
lex.SkipSpace(); |
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173 |
err = lex.Val( aLanguage ); |
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174 |
break; |
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175 |
} |
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|
176 |
|
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177 |
readBuf.Zero(); |
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178 |
} |
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|
179 |
|
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180 |
if ( !readBuf.Length() ) |
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181 |
{ |
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|
182 |
ERROR_TRACE_1( "ERROR: file '%S' is missing", &KLanguagesIni ); |
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|
183 |
file.Close(); |
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|
184 |
return KErrNotFound; |
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185 |
} |
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|
186 |
} |
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187 |
file.Close(); |
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188 |
} |
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|
189 |
|
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|
190 |
if ( !hadFS ) |
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|
191 |
{ |
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192 |
aFileServerSession->Close(); |
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|
193 |
delete aFileServerSession; |
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194 |
aFileServerSession = NULL; |
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195 |
} |
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196 |
|
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|
197 |
FUNC_EXIT_RET_TRACE( err ); |
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198 |
return err; |
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199 |
} |
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|
200 |
|
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|
201 |
|
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|
202 |
// ----------------------------------------------------------------------------- |
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203 |
// SysLangUtil::GetInstalledLanguages |
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204 |
// |
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205 |
// ----------------------------------------------------------------------------- |
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206 |
// |
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|
207 |
EXPORT_C TInt SysLangUtil::GetInstalledLanguages( |
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|
208 |
CArrayFixFlat<TInt>*& aLanguages, |
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209 |
RFs* aFileServerSession ) |
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210 |
{ |
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211 |
API_FUNC_ENTRY_TRACE; |
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|
212 |
|
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213 |
if ( aLanguages ) |
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|
214 |
{ |
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Revision: 201003
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|
215 |
delete aLanguages; |
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Revision: 201003
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216 |
} |
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|
217 |
|
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218 |
aLanguages = new CArrayFixFlat<TInt>( KLangArraySize ); |
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|
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if ( !aLanguages ) |
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221 |
{ |
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return KErrNoMemory; |
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} |
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224 |
|
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|
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TBool hadFS; |
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TInt err; |
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aFileServerSession = CheckFS( aFileServerSession, hadFS, err ); |
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229 |
|
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if ( err ) |
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231 |
{ |
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return err; |
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} |
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234 |
|
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RFile file; |
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err = file.Open( |
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*aFileServerSession, |
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KLanguagesIni, |
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EFileStream | EFileRead | EFileShareReadersOnly ); |
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if ( !err ) |
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241 |
{ |
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// Prepare Reader |
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TFileText reader; |
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reader.Set( file ); |
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err = reader.Seek( ESeekStart ); |
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if ( !err ) |
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247 |
{ |
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TBuf<KReadBufSize> readBuf; |
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249 |
|
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for ( TInt i = 0; !reader.Read( readBuf ) && readBuf.Length(); i++ ) |
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251 |
{ |
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if ( readBuf.Length() > 0 ) |
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253 |
{ |
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TLex lex( readBuf ); |
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lex.SkipSpace(); |
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TInt language; |
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err = lex.Val( language ); |
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if ( err ) break; |
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// Will not leave if array size (KLangArraySize) not exceeded |
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TRAP( err, aLanguages->AppendL( language ) ); |
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err = KErrNone; // Ignore. |
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262 |
} |
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readBuf.Zero(); |
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} |
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265 |
} |
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file.Close(); |
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267 |
} |
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268 |
else |
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269 |
{ |
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ERROR_TRACE_1( "ERROR: file '%S' is missing", &KLanguagesIni ); |
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271 |
} |
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272 |
|
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if ( !hadFS ) |
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274 |
{ |
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aFileServerSession->Close(); |
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delete aFileServerSession; |
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aFileServerSession = NULL; |
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278 |
} |
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279 |
|
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280 |
FUNC_EXIT_RET_TRACE( err ); |
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return err; |
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282 |
} |
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|
283 |
|
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|
284 |
|
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285 |
// ----------------------------------------------------------------------------- |
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286 |
// SysLangUtil::RestoreSIMLanguage |
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// |
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288 |
// ----------------------------------------------------------------------------- |
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289 |
// |
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EXPORT_C TInt SysLangUtil::RestoreSIMLanguage( |
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TInt &aLanguage, |
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292 |
RFs* /*aFileServerSession*/ ) |
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|
293 |
{ |
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API_FUNC_ENTRY_TRACE; |
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|
295 |
|
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296 |
TUid mappedUid = SsmMapperUtility::CrUid( KCRUidSysLangUtil ); |
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|
297 |
|
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CRepository* repository = NULL; |
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299 |
TRAPD( errorCode, repository = CRepository::NewL( mappedUid ) ); |
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|
300 |
|
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301 |
if ( errorCode == KErrNone ) |
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302 |
{ |
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|
303 |
errorCode = repository->Get( KSysLangUtilSimLanguage, aLanguage ); |
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|
304 |
|
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|
305 |
if ( errorCode != KErrNone ) |
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|
306 |
{ |
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|
307 |
ERROR_TRACE_1( "Failed to get value from CentRep, error code %d.", errorCode ); |
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|
308 |
} |
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|
309 |
} |
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310 |
else |
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|
311 |
{ |
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312 |
ERROR_TRACE_1( "Failed to open repository, error code %d.", errorCode ); |
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|
313 |
} |
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|
314 |
|
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Revision: 201003
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|
315 |
delete repository; |
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diff
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|
316 |
|
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|
317 |
FUNC_EXIT_RET_TRACE( errorCode ); |
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Revision: 201003
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|
318 |
return errorCode; |
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|
319 |
} |
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diff
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|
320 |
|
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parents:
diff
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|
321 |
|
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Revision: 201003
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|
322 |
// ----------------------------------------------------------------------------- |
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Revision: 201003
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|
323 |
// SysLangUtil::CheckFS |
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// |
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// ----------------------------------------------------------------------------- |
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// |
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RFs* SysLangUtil::CheckFS( RFs* aRFs, TBool& aExist, TInt& aErr ) |
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{ |
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FUNC_ENTRY_TRACE; |
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|
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if ( !aRFs ) |
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{ |
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aExist = EFalse; |
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aRFs = new RFs; |
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if ( aRFs ) |
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{ |
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aErr = aRFs->Connect(); |
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if ( aErr != KErrNone) |
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{ |
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delete aRFs; |
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return NULL; |
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} |
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} |
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else |
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{ |
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aErr = KErrNoMemory; |
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return NULL; |
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} |
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} |
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else |
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{ |
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// File server session given as argument MUST be already connected |
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ASSERT_TRACE( aRFs->Handle() ); |
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|
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aExist = ETrue; |
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} |
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|
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aErr = KErrNone; |
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|
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FUNC_EXIT_TRACE; |
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return aRFs; |
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} |
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// ----------------------------------------------------------------------------- |
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// SysLangUtil::ChangeLanguage |
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// |
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// ----------------------------------------------------------------------------- |
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// |
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EXPORT_C TInt SysLangUtil::ChangeLanguage(const TInt aLanguageCode) |
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{ |
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API_FUNC_ENTRY_TRACE; |
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TRAPD( errorCode, LoadDllL( KGSDisplayTxtLang,aLanguageCode, KLanguageDllNameBase ) ); |
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FUNC_EXIT_RET_TRACE( errorCode ); |
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return errorCode; |
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} |
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||
377 |
||
378 |
// ----------------------------------------------------------------------------- |
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// SysLangUtil::ChangeRegion |
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// |
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// ----------------------------------------------------------------------------- |
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// |
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EXPORT_C TInt SysLangUtil::ChangeRegion(const TInt aRegionCode) |
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{ |
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API_FUNC_ENTRY_TRACE; |
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TRAPD( errorCode, LoadDllL( KGSRegion, aRegionCode, KRegionDllNameBase ) ); |
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387 |
FUNC_EXIT_RET_TRACE( errorCode ); |
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388 |
return errorCode; |
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389 |
} |
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||
391 |
// ----------------------------------------------------------------------------- |
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392 |
// SysLangUtil::ChangeCollation |
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// |
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// ----------------------------------------------------------------------------- |
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// |
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396 |
EXPORT_C TInt SysLangUtil::ChangeCollation(const TInt aCollationCode) |
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397 |
{ |
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398 |
API_FUNC_ENTRY_TRACE; |
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TRAPD( errorCode, LoadDllL( KGSCollation, aCollationCode, KCollationDllNameBase ) ); |
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400 |
FUNC_EXIT_RET_TRACE( errorCode ); |
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401 |
return errorCode; |
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402 |
} |
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403 |
||
404 |
||
405 |
// ----------------------------------------------------------------------------- |
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406 |
// SysLangUtil::GetInstalledRegions |
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407 |
// |
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408 |
// ----------------------------------------------------------------------------- |
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409 |
// |
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410 |
EXPORT_C TInt SysLangUtil::GetInstalledRegions(CArrayFixFlat<TInt>*& aRegions, RFs* aFileServerSession ) |
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411 |
{ |
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412 |
API_FUNC_ENTRY_TRACE; |
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413 |
TRAPD(err, ReadFileL(aRegions, KRegionsIni, aFileServerSession )); |
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414 |
FUNC_EXIT_RET_TRACE( err ); |
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415 |
return err; |
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416 |
} |
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417 |
||
418 |
// ----------------------------------------------------------------------------- |
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419 |
// SysLangUtil::GetInstalledCollations |
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420 |
// |
|
421 |
// ----------------------------------------------------------------------------- |
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422 |
// |
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423 |
EXPORT_C TInt SysLangUtil::GetInstalledCollations(CArrayFixFlat<TInt>*& aCollations, RFs* aFileServerSession ) |
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424 |
{ |
|
425 |
API_FUNC_ENTRY_TRACE; |
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TRAPD(err, ReadFileL(aCollations, KCollationsIni, aFileServerSession )); |
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427 |
FUNC_EXIT_RET_TRACE( err ); |
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428 |
return err; |
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429 |
} |
|
430 |
||
431 |
void SysLangUtil::LoadDllL( const TUint32 aCategory,const TInt aCode, const TDesC& aDllNameBase ) |
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432 |
{ |
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433 |
CRepository* cenrep = NULL; |
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434 |
TUint32 keyInfo; |
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435 |
cenrep = CRepository::NewLC( KCRUidCommonEngineKeys ); |
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436 |
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437 |
// Re-iterate through StartTransaction, if errorCode returned is KErrLocked |
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438 |
TInt errorCode = KErrLocked; |
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439 |
//Counter to restrict re-iteration. |
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440 |
TInt counter = KMaxCountForReiteration; |
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441 |
while ( KErrLocked == errorCode && counter > 0 ) |
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442 |
{ |
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443 |
errorCode = cenrep->StartTransaction(CRepository::EConcurrentReadWriteTransaction); |
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444 |
--counter; |
|
445 |
} |
|
446 |
User::LeaveIfError(errorCode); |
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447 |
cenrep->CleanupCancelTransactionPushL(); |
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448 |
User::LeaveIfError(cenrep->Set( aCategory, aCode)); |
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449 |
||
450 |
TBuf<KMaxDllExtensionLength> extension; |
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451 |
extension.Format( KDllExtensionFormat, aCode ); |
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452 |
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453 |
// Padd ".1" to ".001" for compatibility. |
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454 |
for( ; extension.Length() < KMinDllExtensionLength ;) |
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455 |
{ |
|
456 |
extension.Insert( KDllExtensionPaddingPosition, |
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457 |
KDllExtensionPadding ); |
|
458 |
} |
|
459 |
||
460 |
TBuf<KMaxDllNameLength> dllName( aDllNameBase ); |
|
461 |
dllName.Append( extension ); |
|
462 |
||
463 |
//Loading DLL |
|
464 |
TExtendedLocale extLocale; |
|
465 |
extLocale.LoadSystemSettings(); |
|
466 |
errorCode = extLocale.LoadLocaleAspect( dllName ); |
|
467 |
ERROR_TRACE_2( "LoadLocaleAspect returned error %d while loading dll %S" ,errorCode, &dllName ); |
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468 |
User::LeaveIfError(errorCode); |
|
469 |
||
470 |
User::LeaveIfError(extLocale.SaveSystemSettings()); |
|
471 |
errorCode = cenrep->CommitTransaction(keyInfo); |
|
472 |
if ( KErrNone != errorCode ) |
|
473 |
{ |
|
474 |
ERROR_TRACE_2( "CommitTransaction() error: Key Info %d for setting Category %d", keyInfo, aCategory ); |
|
475 |
User::Leave(errorCode); |
|
476 |
} |
|
477 |
CleanupStack::PopAndDestroy();// for CleanupCancelTransactionPushL() |
|
478 |
CleanupStack::PopAndDestroy(cenrep); |
|
479 |
User::LeaveIfError(TLocale().Set()); |
|
480 |
} |
|
481 |
||
482 |
void SysLangUtil::ReadFileL(CArrayFixFlat<TInt>*& aArray, const TDesC& aFilePath, RFs* aFileServerSession ) |
|
483 |
{ |
|
484 |
TBool hadFS = EFalse; |
|
485 |
TInt err = KErrNone; |
|
486 |
if ( aArray ) |
|
487 |
{ |
|
488 |
delete aArray; |
|
489 |
aArray = NULL; |
|
490 |
} |
|
491 |
aArray = new(ELeave) CArrayFixFlat<TInt>( KLangArraySize ); |
|
492 |
||
493 |
aFileServerSession = CheckFS( aFileServerSession, hadFS, err ); |
|
494 |
User::LeaveIfError(err); |
|
495 |
RFile file; |
|
496 |
CleanupClosePushL(file); |
|
497 |
err = file.Open(*aFileServerSession, aFilePath, EFileStream | EFileRead | EFileShareReadersOnly ); |
|
498 |
ERROR_TRACE_2( "SysLangUtil::ReadFileL() : Opening the file : %S failed with error : %d", &aFilePath, err) ; |
|
499 |
User::LeaveIfError(err); |
|
500 |
||
501 |
// Prepare Reader |
|
502 |
TFileText reader; |
|
503 |
reader.Set( file ); |
|
504 |
err = reader.Seek( ESeekStart ); |
|
505 |
if ( !err ) |
|
506 |
{ |
|
507 |
TBuf<KReadBufSize> readBuf; |
|
508 |
for ( TInt i = 0; !reader.Read( readBuf ) && readBuf.Length(); ++i ) |
|
509 |
{ |
|
510 |
TLex lex( readBuf ); |
|
511 |
lex.SkipSpace(); |
|
512 |
TInt value; |
|
513 |
err = lex.Val( value ); |
|
514 |
if ( err ) |
|
515 |
{ |
|
516 |
break; |
|
517 |
} |
|
518 |
// IGNORE the Leave |
|
519 |
TRAP_IGNORE( aArray->AppendL( value )); |
|
520 |
readBuf.Zero(); |
|
521 |
} |
|
522 |
} |
|
523 |
CleanupStack::PopAndDestroy(&file); |
|
524 |
if ( !hadFS ) |
|
525 |
{ |
|
526 |
aFileServerSession->Close(); |
|
527 |
delete aFileServerSession; |
|
528 |
aFileServerSession = NULL; |
|
529 |
} |
|
530 |
} |
|
531 |