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/*
* Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).
* All rights reserved.
* This component and the accompanying materials are made available
* under the terms of "Eclipse Public License v1.0"
* which accompanies this distribution, and is available
* at the URL "http://www.eclipse.org/legal/epl-v10.html".
*
* Initial Contributors:
* Nokia Corporation - initial contribution.
*
* Contributors:
*
* Description:
*
*/
/**
@file
@internalComponent
@released
*/
#include "cntfilesearch.h"
const TInt KNameArrayGranularity = 32;
//Define the patchable data for database cache size here but which is actually used
//in CPplContactsFile.cpp. This is a must-be so that the compiler cannot perform any
//"constant folding" with the value
EXPORT_C extern const TInt KContactsModelSqliteDbCacheSize = 0;
_LIT(KSqLiteFilePrefix, "SQLite__");
const TInt KPrefixNameLength = 8; // length of above prefix string
CDesCArray* CCntFileScanner::ListFilesL(RFs& aFs, TDriveUnit* aDriveUnit)
{
CCntFileScanner* scanner = new (ELeave) CCntFileScanner(aFs); // gets pushed in first lines of ScanLD
// coverity [memory_leak]
return scanner->ScanLD(aDriveUnit);
}
CCntFileScanner::CCntFileScanner(RFs& aFs)
:
iFs(aFs)
{
}
CCntFileScanner::~CCntFileScanner()
{
delete iDirStack;
}
CDesCArray* CCntFileScanner::ScanLD(TDriveUnit* aDriveUnit)
{
CleanupStack::PushL(this);
iFs.PrivatePath(iPath);
iDirStack = new(ELeave) CDesCArrayFlat(KNameArrayGranularity);
if (aDriveUnit)
{
AddDirL(*aDriveUnit);
}
else
{
GenerateRootDirsL();
}
CDesCArray* results = new(ELeave) CDesCArrayFlat(KNameArrayGranularity);
CleanupStack::PushL(results);
ScanForFilesL(*results);
CleanupStack::Pop(results);
CleanupStack::PopAndDestroy(this);
return results;
}
void CCntFileScanner::AddDirL(TDriveUnit& aDriveUnit)
{
ASSERT(iDirStack);
TBuf<3> root;
root.Copy(aDriveUnit.Name());
root.Append(TChar(KPathDelimiter));
iDirStack->AppendL(root);
}
void CCntFileScanner::GenerateRootDirsL()
{
ASSERT(iDirStack);
// Generate list of root dirs.
TBuf<3> root;
TDriveList driveList;
User::LeaveIfError(iFs.DriveList(driveList));
TInt len = driveList.Length();
for (TInt index = 0; index < len; ++index)
{
if(driveList[index]) // Check drive exists.
{
root.Copy(TDriveUnit(index).Name());
root.Append(TChar(KPathDelimiter));
iDirStack->AppendL(root);
}
}
}
void CCntFileScanner::ScanForFilesL(CDesCArray& aResults)
{
ASSERT(iDirStack);
// Traverse the directory stack until all directories have been examined.
TFileName filename;
while(iDirStack->Count())
{
// Pop the dir.
filename.Copy(iDirStack->MdcaPoint(0));
iDirStack->Delete(0);
if(iPath.Length()!=0)
{
filename.Delete(2,1);
filename.Append(iPath);
}
else if(filename[filename.Length() - 1] != KPathDelimiter)
{ // Check it has a trailing '\' to identify it as a dir path.
filename.Append(TChar(KPathDelimiter));
}
TRAPD(err,ScanDirectoryL(filename, aResults));
if(err==KErrNoMemory)
{ // Continue to search in each drive except for out of memory.
User::Leave(err);
}
}
}
/**
Get a list of all files and subdirectories in aDirPath (when the path is not
specified).
*/
void CCntFileScanner::ScanDirectoryL(const TDesC& aDirPath, CDesCArray& aResults)
{
CDir* files = NULL;
CDir* subdirs = NULL;
User::LeaveIfError(iFs.GetDir(aDirPath, KEntryAttAllowUid, ESortByName, files, subdirs));
TRAPD(err,AppendFileNamesL(*files, aDirPath, aResults));
delete files;
delete subdirs;
User::LeaveIfError(err);
}
void CCntFileScanner::AppendFileNamesL(const CDir& aFileSet, const TDesC& aDirPath, CDesCArray& aFileNames) const
{
TParse parse;
TInt len = aFileSet.Count();
for(TInt idx = 0; idx < len ; ++idx)
{
const TEntry& entry = aFileSet[idx];
User::LeaveIfError(parse.SetNoWild(entry.iName, &aDirPath, NULL));
TInt found = parse.NameAndExt().FindF(KSqLiteFilePrefix);
if (found == 0 && iPath.Length() > 0)
{
// add drive, remove prefix, add to list of files
TFileName filename(parse.Drive());
filename.Append(parse.NameAndExt().Right(parse.NameAndExt().Length() - KPrefixNameLength));
aFileNames.AppendL(filename);
}
}
}
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