// Copyright (c) 1995-2009 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:

 //

 // WARNING: This file contains some APIs which are internal and are subject

 //          to change without notice. Such APIs should therefore not be used

 //          outside the Kernel and Hardware Services package.

 //

 /**

  @file

  @internalAll

 */

 #ifndef ROFS_H

 #define ROFS_H

 /**

 @internalAll

 @released

 */

 const TUint16 KRofsFormatVersion = 0x200;

 class TRofsEntry

 /**

 @internalAll

 @released

 */

 	{

 public:

 	TUint16 iStructSize;	// Total size of entry, header + name + any padding

 	TUint8	iUids[sizeof(TCheckedUid)];		// A copy of all the UID info

 	TUint8	iNameOffset;	// offset of iName from start of entry

 	TUint8	iAtt;			// standard file attributes

 	TUint32 iFileSize;		// real size of file in bytes (may be different from size in image)

 							// for subdirectories this is the total size of the directory

 							// block entry excluding padding

 	TUint32 iFileAddress;	// address in image of file start

 	TUint8	iAttExtra;		// extra ROFS attributes (these are inverted so 0 = enabled)

 	TUint8	iNameLength;	// length of iName

 	TUint16 iName[1];

 	};

 /**

 @internalAll

 @released

 */

 const TUint KRofsEntryNameOffset = _FOFF( TRofsEntry, iName );

 /**

 @internalAll

 @released

 */

 const TUint KRofsEntryHeaderSize = KRofsEntryNameOffset;

 class TRofsDir

 /**

 @internalAll

 @released

 */

 	{

 	public:

 	TUint16	iStructSize;		// Total size of this directory block including padding

 	TUint8	padding;

 	TUint8	iFirstEntryOffset;	// offset to first entry

 	TUint32 iFileBlockAddress;	// address of associated file block

 	TUint32	iFileBlockSize;		// size of associated file block

 	TRofsEntry	iSubDir;		// first subdir entry (not present if no subdirs)

 	};

 /**

 @internalAll

 @released

 */

 const TUint KRofsDirFirstEntryOffset = _FOFF( TRofsDir, iSubDir );

 /**

 @internalAll

 @released

 */

 const TUint KRofsDirHeaderSize = KRofsDirFirstEntryOffset;

 class TRofsHeader

 /**

 @internalAll

 @released

 */

 	{

 	public:

 	TUint8		iIdentifier[4];		// ROFS identifier

 	TUint8		iHeaderSize;

 	TUint8		iReserved;

 	TUint16		iRofsFormatVersion;

 	TUint		iDirTreeOffset;	// offset to start of directory structure

 	TUint		iDirTreeSize;		// size in bytes of directory

 	TUint		iDirFileEntriesOffset;	// offset to start of file entries

 	TUint		iDirFileEntriesSize;	// size in bytes of file entry block

 	TInt64		iTime;

 	TVersion	iImageVersion;		// licensee image version

 	TUint32		iImageSize;

 	TUint		iCheckSum;

 	TUint32		iMaxImageSize;

 	};

 /**

 @internalAll

 @released

 */

 class TExtensionRofsHeader

 	{

 	public:    

 	TUint8		iIdentifier[4];		// ROFS Extension identifier

 	TUint8		iHeaderSize;

 	TUint8		iReserved;

 	TUint16		iRofsFormatVersion;

 	TUint		iDirTreeOffset;	        // offset to start of directory structure

 	TUint		iDirTreeSize;		// size in bytes of directory

 	TUint		iDirFileEntriesOffset;	// offset to start of file entries

 	TUint		iDirFileEntriesSize;	// size in bytes of file entry block

 	TInt64		iTime;

 	TVersion	iImageVersion;		// licensee image version

 	TUint32		iImageSize;

 	TUint		iCheckSum;

 	TUint32		iMaxImageSize;

 	};

 const TUint KRofsHeaderSize = sizeof(TRofsHeader);

 const TUint KExtensionRofsHeaderSize = sizeof(TExtensionRofsHeader);

 /**

 @internalAll

 @released

 */

 const TInt16 KEarliestSupportedFormatVersion = KRofsFormatVersion;

 /**

 @internalAll

 @released

 */

 const TInt16 KLatestSupportedFormatVersion = KRofsFormatVersion;

 const TUint KRofsMangleNameLength = 7;

 #endif