userlibandfileserver/fileserver/sfat/inc/fat_table.h
changeset 15 4122176ea935
parent 0 a41df078684a
--- a/userlibandfileserver/fileserver/sfat/inc/fat_table.h	Mon Oct 19 15:55:17 2009 +0100
+++ b/userlibandfileserver/fileserver/sfat/inc/fat_table.h	Mon Dec 21 16:14:42 2009 +0000
@@ -21,6 +21,16 @@
  @internalTechnology
 */
 
+//!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+//!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+//!!
+//!! WARNING!! DO NOT edit this file !! '\sfat' component is obsolete and is not being used. '\sfat32'replaces it
+//!!
+//!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+//!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+
+
+
 #ifndef FAT_TABLE_H
 #define FAT_TABLE_H
 
@@ -31,30 +41,30 @@
     Fat table used for all media except RAM, manages the Fat table for all cluster requests.
 */
 class CAtaFatTable : public CFatTable
-	{
+    {
 public:
     static CAtaFatTable* NewL(CFatMountCB& aOwner);
 
     //-- overrides from the base class
-	void FlushL();
-	void Dismount(TBool aDiscardDirtyData);
+    void FlushL();
+    void Dismount(TBool aDiscardDirtyData);
     void ReMountL();
-	void InvalidateCacheL(TInt64 aPos, TUint32 aLength);
-	void InvalidateCacheL();
-	
-	TUint32 ReadL(TUint32 aFatIndex) const;
-	void WriteL(TUint32 aFatIndex, TUint32 aValue);
+    void InvalidateCacheL(TInt64 aPos, TUint32 aLength);
+    void InvalidateCacheL();
+    
+    TUint32 ReadL(TUint32 aFatIndex) const;
+    void WriteL(TUint32 aFatIndex, TUint32 aValue);
 
-	TInt64 DataPositionInBytes(TUint32 aCluster) const;
+    TInt64 DataPositionInBytes(TUint32 aCluster) const;
 
 private:
-	CAtaFatTable(CFatMountCB& aOwner);
+    CAtaFatTable(CFatMountCB& aOwner);
     void InitializeL();
     void CreateCacheL();
 
 private:
     CFatCacheBase* iCache;  ///< FAT cache, fixed or LRU depending on the FAT type
-	};
+    };
 
 //---------------------------------------------------------------------------------------------------------------------------------------
 
@@ -63,41 +73,41 @@
     RAM media only supports Fat12/16.
 */
 class CRamFatTable : public CFatTable
-	{
+    {
 public:
     static CRamFatTable* NewL(CFatMountCB& aOwner);
 
     void ReMountL();
-	TUint32 ReadL(TUint32 aFatIndex) const;
-	void WriteL(TUint32 aFatIndex, TUint32 aValue);
-	TInt64 DataPositionInBytes(TUint32 aCluster) const;
-	void FreeClusterListL(TUint32 aCluster);
-	TUint32 AllocateSingleClusterL(TUint32 aNearestCluster);
-	void ExtendClusterListL(TUint32 aNumber,TInt& aCluster);
+    TUint32 ReadL(TUint32 aFatIndex) const;
+    void WriteL(TUint32 aFatIndex, TUint32 aValue);
+    TInt64 DataPositionInBytes(TUint32 aCluster) const;
+    void FreeClusterListL(TUint32 aCluster);
+    TUint32 AllocateSingleClusterL(TUint32 aNearestCluster);
+    void ExtendClusterListL(TUint32 aNumber,TInt& aCluster);
 
 private:
-	CRamFatTable(CFatMountCB& aOwner);
+    CRamFatTable(CFatMountCB& aOwner);
 
-	void InitializeL();
+    void InitializeL();
 
-	inline TUint8 *RamDiskBase() const;
-	inline TInt AllocateClusterNumber();
-	inline void WriteFatTable(TInt aFatIndex,TInt aValue);
-	inline void WriteFatTable(TInt aFatIndex,TInt aFatValue,TInt anIndirectionTableValue);
-	inline void ReadIndirectionTable(TUint32& aCluster) const;
-	inline void WriteIndirectionTable(TInt aFatIndex,TInt aValue);
-	inline TUint8* MemCopy(TAny* aTrg,const TAny* aSrc,TInt aLength);
-	inline TUint8* MemCopyFillZ(TAny* aTrg, TAny* aSrc, TInt aLength);
-	inline void ZeroFillCluster(TInt aCluster); 
-	
-	void UpdateIndirectionTable(TUint32 aStartCluster,TUint32 anEndCluster,TInt aNum);
+    inline TUint8 *RamDiskBase() const;
+    inline TInt AllocateClusterNumber();
+    inline void WriteFatTable(TInt aFatIndex,TInt aValue);
+    inline void WriteFatTable(TInt aFatIndex,TInt aFatValue,TInt anIndirectionTableValue);
+    inline void ReadIndirectionTable(TUint32& aCluster) const;
+    inline void WriteIndirectionTable(TInt aFatIndex,TInt aValue);
+    inline TUint8* MemCopy(TAny* aTrg,const TAny* aSrc,TInt aLength);
+    inline TUint8* MemCopyFillZ(TAny* aTrg, TAny* aSrc, TInt aLength);
+    inline void ZeroFillCluster(TInt aCluster); 
+    
+    void UpdateIndirectionTable(TUint32 aStartCluster,TUint32 anEndCluster,TInt aNum);
 
 protected:
 
-	TInt iFatTablePos;          ///< Current position in the fat table
-	TInt iIndirectionTablePos;  ///< Current position in indirection table, second fat used for this
-	TUint8* iRamDiskBase;       ///< Pointer to the Ram disk base
-	};
+    TInt iFatTablePos;          ///< Current position in the fat table
+    TInt iIndirectionTablePos;  ///< Current position in indirection table, second fat used for this
+    TUint8* iRamDiskBase;       ///< Pointer to the Ram disk base
+    };