--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/imgtools/imglib/filesystem/include/dirregion.h	Tue Oct 27 16:36:35 2009 +0000
@@ -0,0 +1,94 @@
+/*
+* 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: 
+* CDIRREGION.H
+* Directory Region Operations for FileSystem component
+* @internalComponent
+* @released
+*
+*/
+
+
+#ifndef DIRREGION_H
+#define DIRREGION_H
+
+#include "filesystemclass.h"
+#include "longname.h"
+
+#include <fstream>
+#include <map>
+#include <string>
+
+class CFileSystem;
+
+typedef std::ofstream OfStream;
+typedef std::ifstream IfStream;
+typedef std::ios Ios;
+typedef std::map<unsigned int,std::string> StringMap;
+
+/**
+This class describes the member functions and data members required to create directory/data
+region of FAT image.
+
+@internalComponent
+@released
+*/
+
+class CDirRegion
+	{
+	private:
+		void FormatName(String& aString,char aAttrValue);
+		unsigned int Get32BitClusterNumber(unsigned int aHighWord, unsigned int aLowWord);
+		void CheckEntry(EntryList aNodeList);
+		void CreateDirEntry(CDirectory* aEntry,unsigned int aParentDirClusterNumber);
+		void CreateAndWriteCurrentDirEntry(unsigned int aCurClusterNumber,String& aString);
+		void CreateAndWriteParentDirEntry(unsigned int aParDirClusterNumber,String& aString);
+		void WriteEntryToString(CDirectory* aEntry,String& aString);
+		bool IsLongEntry(CDirectory* aEntry) const;
+		void CreateLongEntries(CDirectory* aEntry,String& aDirString);
+		void WriteFileDataInToCluster(CDirectory* aEntry); 
+		void PushStringIntoClusterMap(unsigned int aNumber, 
+									  String& aDirString,
+									  unsigned long int aClusterSize,
+									  char aAttribute);
+		void PushDirectoryEntryString(unsigned int aNumber,String& aString,int aClustersRequired);
+
+	public:
+		CDirRegion(	EntryList iNodeList,
+					CFileSystem *aFileSystemPtr);
+		~CDirRegion();
+		void Execute();
+		void WriteClustersIntoFile(OfStream& aOutPutStream);
+		TClustersPerEntryMap* GetClustersPerEntryMap() const;
+
+	private:
+		IfStream iInputStream; //Input stream, used to read file contents
+		CCluster* iClusterPtr; //pointer to class CCluster
+		bool iCurrentDirEntry; //Is current entry(.) is created?
+		bool iParentDirEntry;//Is parent entry (..) is created?
+		bool iFirstCluster; //Is this the first cluster for the current FAT image?
+
+		unsigned int iCurEntryClusterNumber; //Holds current entries cluster number
+		unsigned int iClusterKey; //Number used to map cluster with cluster contents
+		/* To avoid calling CCluster::GetClusterSize() function multiple times, this 
+		 *variable introduced.
+		 */
+		unsigned long int iClusterSize;
+		
+		StringMap iClusterMap; //The map between cluster number and cluster
+		unsigned int iRootDirSizeInBytes;//Reserved sectors for root directory entry
+		EntryList iNodeList;//To hold root directory entry
+	};
+
+#endif //DIRREGION_H