author | Pat Downey <patd@symbian.org> |
Wed, 01 Sep 2010 12:29:52 +0100 | |
branch | RCL_3 |
changeset 20 | f4a778e096c2 |
parent 0 | e686773b3f54 |
permissions | -rw-r--r-- |
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// Copyright (c) 2005-2009 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: |
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// |
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/** |
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@file |
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@internalComponent |
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@released |
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*/ |
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#include "cntfilesearch.h" |
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const TInt KNameArrayGranularity = 32; |
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//Define the patchable data for database cache size here but which is actually used |
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//in CPplContactsFile.cpp. This is a must-be so that the compiler cannot perform any |
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//"constant folding" with the value |
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EXPORT_C extern const TInt KContactsModelSqliteDbCacheSize = 0; |
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_LIT(KSqLiteFilePrefix, "SQLite__"); |
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const TInt KPrefixNameLength = 8; // length of above prefix string |
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CDesCArray* CCntFileScanner::ListFilesL(RFs& aFs, TDriveUnit* aDriveUnit) |
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{ |
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CCntFileScanner* scanner = new (ELeave) CCntFileScanner(aFs); // gets pushed in first lines of ScanLD |
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// coverity [memory_leak] |
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return scanner->ScanLD(aDriveUnit); |
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} |
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CCntFileScanner::CCntFileScanner(RFs& aFs) |
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: |
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iFs(aFs) |
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{ |
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} |
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CCntFileScanner::~CCntFileScanner() |
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{ |
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delete iDirStack; |
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} |
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CDesCArray* CCntFileScanner::ScanLD(TDriveUnit* aDriveUnit) |
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{ |
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CleanupStack::PushL(this); |
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iFs.PrivatePath(iPath); |
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iDirStack = new(ELeave) CDesCArrayFlat(KNameArrayGranularity); |
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if (aDriveUnit) |
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{ |
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AddDirL(*aDriveUnit); |
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} |
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else |
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{ |
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GenerateRootDirsL(); |
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} |
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CDesCArray* results = new(ELeave) CDesCArrayFlat(KNameArrayGranularity); |
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CleanupStack::PushL(results); |
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ScanForFilesL(*results); |
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CleanupStack::Pop(results); |
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CleanupStack::PopAndDestroy(this); |
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return results; |
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} |
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void CCntFileScanner::AddDirL(TDriveUnit& aDriveUnit) |
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{ |
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ASSERT(iDirStack); |
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TBuf<3> root; |
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root.Copy(aDriveUnit.Name()); |
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root.Append(TChar(KPathDelimiter)); |
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iDirStack->AppendL(root); |
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} |
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void CCntFileScanner::GenerateRootDirsL() |
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{ |
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ASSERT(iDirStack); |
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// Generate list of root dirs. |
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TBuf<3> root; |
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TDriveList driveList; |
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User::LeaveIfError(iFs.DriveList(driveList)); |
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TInt len = driveList.Length(); |
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for (TInt index = 0; index < len; ++index) |
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{ |
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if(driveList[index]) // Check drive exists. |
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{ |
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root.Copy(TDriveUnit(index).Name()); |
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root.Append(TChar(KPathDelimiter)); |
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iDirStack->AppendL(root); |
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} |
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} |
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} |
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109 |
|
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110 |
|
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void CCntFileScanner::ScanForFilesL(CDesCArray& aResults) |
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112 |
{ |
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ASSERT(iDirStack); |
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// Traverse the directory stack until all directories have been examined. |
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115 |
|
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TFileName filename; |
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while(iDirStack->Count()) |
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118 |
{ |
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// Pop the dir. |
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filename.Copy(iDirStack->MdcaPoint(0)); |
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iDirStack->Delete(0); |
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if(iPath.Length()!=0) |
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123 |
{ |
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filename.Delete(2,1); |
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filename.Append(iPath); |
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} |
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else if(filename[filename.Length() - 1] != KPathDelimiter) |
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{ // Check it has a trailing '\' to identify it as a dir path. |
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filename.Append(TChar(KPathDelimiter)); |
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} |
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TRAPD(err,ScanDirectoryL(filename, aResults)); |
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if(err==KErrNoMemory) |
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{ // Continue to search in each drive except for out of memory. |
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User::Leave(err); |
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} |
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} |
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} |
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138 |
|
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139 |
|
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140 |
/** |
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141 |
Get a list of all files and subdirectories in aDirPath (when the path is not |
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142 |
specified). |
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*/ |
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void CCntFileScanner::ScanDirectoryL(const TDesC& aDirPath, CDesCArray& aResults) |
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145 |
{ |
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CDir* files = NULL; |
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CDir* subdirs = NULL; |
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148 |
|
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User::LeaveIfError(iFs.GetDir(aDirPath, KEntryAttAllowUid, ESortByName, files, subdirs)); |
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150 |
|
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TRAPD(err,AppendFileNamesL(*files, aDirPath, aResults)); |
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152 |
|
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delete files; |
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delete subdirs; |
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User::LeaveIfError(err); |
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} |
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157 |
|
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158 |
|
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void CCntFileScanner::AppendFileNamesL(const CDir& aFileSet, const TDesC& aDirPath, CDesCArray& aFileNames) const |
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160 |
{ |
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TParse parse; |
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TInt len = aFileSet.Count(); |
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163 |
|
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for(TInt idx = 0; idx < len ; ++idx) |
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165 |
{ |
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const TEntry& entry = aFileSet[idx]; |
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User::LeaveIfError(parse.SetNoWild(entry.iName, &aDirPath, NULL)); |
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168 |
|
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TInt found = parse.NameAndExt().FindF(KSqLiteFilePrefix); |
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170 |
|
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if (found == 0 && iPath.Length() > 0) |
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172 |
{ |
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// add drive, remove prefix, add to list of files |
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TFileName filename(parse.Drive()); |
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filename.Append(parse.NameAndExt().Right(parse.NameAndExt().Length() - KPrefixNameLength)); |
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176 |
|
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aFileNames.AppendL(filename); |
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} |
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179 |
|
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} |
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181 |
} |