imgtools/imglib/filesystem/include/filesystemclass.h
changeset 0 044383f39525
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/imgtools/imglib/filesystem/include/filesystemclass.h	Tue Oct 27 16:36:35 2009 +0000
@@ -0,0 +1,81 @@
+/*
+* Copyright (c) 2006-2009 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: 
+* Base file system class for FileSystem component
+* @internalComponent
+* @released
+*
+*/
+
+
+#ifndef FIlESYSTEMCLASS_H
+#define FIlESYSTEMCLASS_H
+
+#include "cluster.h"
+#include "fat16bootsector.h"
+#include "fat32bootsector.h"
+#include "filesysteminterface.h"
+
+#include<map>
+#include <fstream>
+
+
+
+//default root cluster number 
+const int KDefaultRootCluster=2;
+const int KDefaultSectorSizeinBytes=512;
+const int KDefaultRootDirEntrySize=32;
+
+
+
+typedef	TClustersPerEntryMap::iterator Iterator;
+/**
+Class representing base class  of all FAT type 
+
+@internalComponent
+@released
+*/
+class CFileSystem
+{
+protected:
+	//Pointer to dynamically allocated array for containing the boot sector values of a FAT volume
+	unsigned char* iData;
+	//cluster size in bytes
+	unsigned long int iClusterSize;
+	//number of sectors occupied by a root directory
+	unsigned long iRootDirSectors;	
+	//total number of clusters in data segment
+	unsigned long int iTotalClusters;
+	unsigned int iBytesPerSector;
+
+public:
+	//constructor
+	CFileSystem();
+	// virtual destructor
+	virtual ~CFileSystem();
+	virtual void CreateBootSector(Long64 aPartitionSize,ConfigurableFatAttributes* aConfigurableFatAttributes)=0 ;
+	virtual void WriteBootSector(ofstream& aOutPutStream)=0 ;
+	virtual void CreateFatTable(ofstream& aOutPutStream)=0;
+	virtual void ComputeClusterSizeInBytes()=0;
+	virtual void ComputeRootDirSectors()=0;
+	virtual void ComputeTotalClusters(Long64 aPartitionSize)=0;
+	virtual void Execute(Long64 aPartitionSize,EntryList aNodeList,ofstream& aOutPutStream,
+						ConfigurableFatAttributes* aConfigurableFatAttributes)=0;
+	unsigned long int  GetTotalCluster() const;
+	unsigned long GetRootDirSectors() const;
+	unsigned long int GetClusterSize() const;
+	unsigned int GetBytesPerSector() const;
+};
+
+#endif //FIlESYSTEMCLASS_H