--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/imgtools/romtools/rofsbuild/fatimagegenerator.h	Fri Jun 25 20:58:33 2010 +0800
@@ -0,0 +1,70 @@
+/*
+* Copyright (c) 2010 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: 
+*
+*/
+#ifndef __FAT_IMAGE_GENERATER_HEADER__
+#define __FAT_IMAGE_GENERATER_HEADER__
+
+#include "fatdefines.h"
+
+#include <iostream>
+#include <list>
+#include <fstream>
+using namespace std ;
+const unsigned int KBufferedIOBytes = 0x800000 ; // 8M 
+const unsigned int KMaxClusterBytes = 0x8000; // 32K
+enum TSupportedFatType {
+	EFatUnknown = 0,
+	EFat16 = 1,
+	EFat32 = 2
+};
+ 
+class TFSNode;
+class TFatCluster;
+typedef list<TFatCluster*> PFatClusterList ;
+typedef list<TFatCluster*>::iterator Interator ;
+
+class TFatImgGenerator
+{
+public :
+	//The constructor ,
+	//a TFatImgGenerator is created and initialized,
+	//if the parameters breaks the FAT specification,
+	// then iType is set to EFatUnknown and thus
+	// IsValid return false
+	TFatImgGenerator(TSupportedFatType aType , ConfigurableFatAttributes& aAttr  );
+	~TFatImgGenerator();
+	inline bool IsValid() const { return (EFatUnknown != iType);}
+	
+	//Create the FAT image, 
+	//If FAT image is not valid, or error accurs, return false
+	bool Execute(TFSNode* aRootDir , const char* aOutputFile);
+protected :
+	void InitAsFat16(TUint32 aTotalSectors,TUint8 aSecPerClus,TUint16 aBytsPerSec);
+	void InitAsFat32(TUint32 aTotalSectors,TUint8 aSecPerClus,TUint16 aBytsPerSec);
+	bool PrepareClusters(TUint& aNextClusIndex,TFSNode* aNode);
+	TSupportedFatType iType ;
+	char* iFatTable ; 
+	TUint iFatTableBytes ;  
+	TUint iTotalClusters ;	
+	TUint iBytsPerClus ;
+	TFATBootSector iBootSector ;
+	TFAT32BSExt iFat32Ext ;
+	TFATHeader iFatHeader ;	
+	PFatClusterList iDataClusters ;
+};
+
+
+#endif