/*

* Copyright (c) 2008-2009 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: 

*

*/

#ifndef __R_COREIMAGEREADER_H__

#define __R_COREIMAGEREADER_H__

class TRomNode;

class TRomLoaderHeader;

class Memmap;

/** 

class CoreRomImageReader

@internalComponent

@released

*/

class CoreRomImageReader

{

private:

	String iImgFileName;

	TUint8* iData;

	// Core ROM Image Headers

	TRomLoaderHeader	*iLoaderHdr;

	TRomHeader			*iRomHdr;

	TRomRootDirectoryList	*iRootDirList;

	// Directory Structure

	TRomNode* iRootDirectory;

	TBool IsCoreROM();

	TBool StoreImageHeader();

	TInt GetDirectoryStructures();

	TInt BuildDir(TRomDir* aDir, TRomNode* aPaFSEntry);

	TInt BuildDir(TInt16 *aOffsetTbl, TInt16 aOffsetTblCount, TRomDir *aPaRomDir, TRomNode* aPaFSEntry);

	TInt CreateRootDirectory();

	TInt AddFile(TRomNode *aPa, char *entryName, TRomEntry* aRomEntry);

	void Name(String& aName, char * aUnicodeName, int aLen);

	TBool IsExecutable(TUint8* Uids1);

	TUint GetHdrSize();

	TBool iUseMemMap;

	Memmap* iImageMap;

	TBool AllocateImageMap(Memmap*& aImageMap, TUint8*& aData, TUint aLen);

public:

	CoreRomImageReader(String aFileName, TBool aUseMemMap = EFalse);

	~CoreRomImageReader();

	TBool OpenImage();

	TBool ProcessImage();

	TRomNode* GetRootDirectory()

	{ 

		return iRootDirectory; 

	}

	TRomHeader* GetCoreRomHeader()

	{

		return iRomHdr;

	}

	TRomRootDirectoryList* GetRootDirList()

	{

		return iRootDirList;

	}

	void DeleteAll(TRomNode *node);

	void Display(TRomNode *node, TInt pad = 1);

	friend TInt OffsetCompare(const void *left, const void *right);

};

#endif //__R_COREIMAGEREADER_H__