1 // Copyright (c) 1998-2009 Nokia Corporation and/or its subsidiary(-ies).
2 // All rights reserved.
3 // This component and the accompanying materials are made available
4 // under the terms of the License "Eclipse Public License v1.0"
5 // which accompanies this distribution, and is available
6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".
8 // Initial Contributors:
9 // Nokia Corporation - initial contribution.
14 // f32\sfat\inc\fat_dir_entry.h
15 // FAT directory entry related stuff definitions.
24 //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
25 //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
27 //!! WARNING!! DO NOT edit this file !! '\sfat' component is obsolete and is not being used. '\sfat32'replaces it
29 //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
30 //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
33 #if !defined(FAT_DIR_ENTRY_H)
34 #define FAT_DIR_ENTRY_H
37 //-------------------------------------------------------------------------------------------------------------------
40 const TInt KFatDirNameSize = 11; ///< Dos directory/File name length
41 const TInt KVFatEntryAttribute = 0x0F; ///< VFat entry attribute setting
42 const TUint8 KDotEntryByte = 0x2e; ///< Dot value for self and parent pointer directory entries
43 const TUint8 KBlankSpace = 0x20; ///< Blank space in a directory entry
44 const TInt KSizeOfFatDirEntryLog2 = 5; ///< Log2 of size in bytes of a Fat directry entry
45 const TUint KSizeOfFatDirEntry = 1 << KSizeOfFatDirEntryLog2; ///< Size in bytes of a Fat directry entry
47 const TUint16 KReservedIdOldEntry = 1; ///< Rugged FAT "OldEntry" id
48 const TUint16 KReservedIdNewEntry = 0; ///< Rugged FAT "ReservedIdNewEntry" id
51 typedef TBuf8<KFatDirNameSize> TShortName; ///< Buffer type fot short names in dos entries
53 //-------------------------------------------------------------------------------------------------------------------
56 Fat DOS directory entry structure
60 TUint8 iName[KFatDirNameSize]; ///< :0 File/Directory name
61 TUint8 iAttributes; ///< :11 File/Directory attributes
62 TUint8 iReserved1[2]; ///< :12 2 reserved bytes(in our implementation), some versions of Windows may use them
63 TUint16 iTimeC; ///< :14 Creation time
64 TUint16 iDateC; ///< :16 Creation date
65 TUint16 iReserved2; ///< :18 2 reserved bytes(in our implementation), FAT specs say that this is "last access date". Rugged FAT uses them as a special entry ID
66 TUint16 iStartClusterHi; ///< :20 High 16 bits of the File/Directory cluster number (Fat32 only)
67 TUint16 iTime; ///< :22 last write access time
68 TUint16 iDate; ///< :24 last write access date
69 TUint16 iStartClusterLo; ///< :26 Low 16 bits of the File/Directory cluster number
70 TUint32 iSize; ///< :28 File/Directory size in bytes
74 //-------------------------------------------------------------------------------------------------------------------
77 Provides access to the Fat directory entry parameters
82 inline TFatDirEntry();
85 inline const TPtrC8 Name() const;
86 inline TInt Attributes() const;
87 inline TTime Time(TTimeIntervalSeconds aOffset) const;
88 inline TInt StartCluster() const;
89 inline TUint32 Size() const;
90 inline TBool IsErased() const;
91 inline TBool IsCurrentDirectory() const;
92 inline TBool IsParentDirectory() const;
93 inline TBool IsEndOfDirectory() const;
94 inline TBool IsGarbage() const;
95 inline void SetName(const TDesC8& aDes);
96 inline void SetAttributes(TInt anAtt);
97 inline void SetTime(TTime aTime, TTimeIntervalSeconds aOffset);
98 inline void SetCreateTime(TTime aTime, TTimeIntervalSeconds aOffset);
99 inline void SetStartCluster(TInt aStartCluster);
100 inline void SetSize(TUint32 aFilesize);
101 inline void SetErased();
102 inline void SetCurrentDirectory();
103 inline void SetParentDirectory();
104 inline void SetEndOfDirectory();
105 inline TUint RuggedFatEntryId() const;
106 inline void SetRuggedFatEntryId(TUint16 aId);
109 void InitializeAsVFat(TUint8 aCheckSum);
110 void SetVFatEntry(const TDesC& aName,TInt aRemainderLen);
111 void ReadVFatEntry(TDes16& aVBuf) const;
112 inline TBool IsLongNameStart() const;
113 inline TBool IsVFatEntry() const;
114 inline TInt NumFollowing() const;
115 inline TUint8 CheckSum() const;
119 TUint8 iData[KSizeOfFatDirEntry]; ///< The directory entry data
124 #endif //FAT_DIR_ENTRY_H