// Copyright (c) 1996-2009 Nokia Corporation and/or its subsidiary(-ies).

 // All rights reserved.

 // This component and the accompanying materials are made available

 // under the terms of the License "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:

 // f32\sfat\sl_dir.cpp

 // 

 //

 //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

 //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

 //!!

 //!! WARNING!! DO NOT edit this file !! '\sfat' component is obsolete and is not being used. '\sfat32'replaces it

 //!!

 //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

 //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

 #include "sl_std.h"

 CFatDirCB* CFatDirCB::NewL()

 //

 // Static constructor

 //

     {

     CFatDirCB* fatDirCB=new(ELeave) CFatDirCB;

     return fatDirCB;

     }

 CFatDirCB::CFatDirCB()

 //

 // Constructor

 //

     {

     }

 CFatDirCB::~CFatDirCB()

 //

 // Destructor

 //

     {

     delete iMatch;

     delete iLongNameBuf;

     }

 void CFatDirCB::SetDirL(const TFatDirEntry& anEntry,const TDesC& aName)

 //

 // Set the current entry to anEntryAddr

 //

     {

     __PRINT(_L("CFatDirCB::SetDirL"));  

 //  iEntryAddr=0;

 //  iPending=EFalse;

     iEntry=anEntry;

     iCurrentPos.iCluster= FatMount().StartCluster(iEntry);

     iMatch=aName.AllocL();

     if (iUidType[0]!=TUid::Null() || iUidType[1]!=TUid::Null() || iUidType[2]!=TUid::Null())

         iMatchUid=ETrue;

     }

 LOCAL_C TBool CompareUid(const TUidType& aUidTrg, const TUidType& aUidSuitor)

 //

 // Compare the suitor to the target pattern

 //

     {

     if (aUidTrg[0]!=TUid::Null() && aUidTrg[0]!=aUidSuitor[0])

         return(EFalse);

     if (aUidTrg[1]!=TUid::Null() && aUidTrg[1]!=aUidSuitor[1])

         return(EFalse);

     if (aUidTrg[2]!=TUid::Null() && aUidTrg[2]!=aUidSuitor[2])

         return(EFalse);

     return(ETrue);

     }

 void CFatDirCB::ReadL(TEntry &anEntry)

 //

 // Read the next entry from the directory.

 //

     {

     __PRINT(_L("CFatDirCB::ReadL"));

     FatMount().CheckStateConsistentL();

     Mem::FillZ(&anEntry.iType,sizeof(TUidType));

     TPtr entryName(anEntry.iName.Des());

     FOREVER

         {

         if (iPending)

             entryName=(*iLongNameBuf);

         else

             {

             FatMount().FindDosNameL(*iMatch,iAtt,iCurrentPos,iEntry,entryName,KErrEof);

             FatMount().MoveToNextEntryL(iCurrentPos);

             }

         iPending=EFalse;

         if (iEntry.Attributes()&~KEntryAttMaskSupported)

             continue; // Ignore illegal entries

         anEntry.iAtt=iEntry.Attributes();

         anEntry.iSize=iEntry.Size();

         anEntry.iModified=iEntry.Time(FatMount().TimeOffset() );

         if (entryName.Length()==0)

             {

             //  VFAT entry names are always created for UNICODE at an earlier stage

             //  However, UNICODE builds may still encounter genuine FAT filenames through

             //  the introduction of files created using a narrow (ASCII) build

             TBuf8<0x20> dosName(DosNameFromStdFormat(iEntry.Name()));

             LocaleUtils::ConvertToUnicodeL(entryName, dosName);

             }

         TBool matchedUid=ETrue;

         if (iMatchUid && (anEntry.iAtt&KEntryAttDir)==EFalse)

             {

             if ((TUint)anEntry.iSize>=sizeof(TCheckedUid))

                 FatMount().ReadUidL(FatMount().StartCluster(iEntry),anEntry);

             if (CompareUid(iUidType,anEntry.iType)==EFalse)

                 matchedUid=EFalse;

             }

         if (matchedUid)

             break;

         }

     if ((iAtt&KEntryAttAllowUid)==0 || (anEntry.iAtt&KEntryAttDir) || (TUint)anEntry.iSize<sizeof(TCheckedUid))

         return;

     if (iMatchUid==EFalse)

         {

         TInt r;

         TRAP(r,FatMount().ReadUidL(FatMount().StartCluster(iEntry),anEntry));

         if(r!=KErrNone && r!=KErrCorrupt)

             User::Leave(r);

         }

     }

 void CFatDirCB::StoreLongEntryNameL(const TDesC& aName)

 //

 // Store aName while next read is pending

 //

     {

     AllocBufferL(iLongNameBuf,aName);

     }