/*

* Copyright (c) 2007-2009 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: 

* @internalComponent

* @released

*

*/

#ifndef ROMREADER_H

#define ROMREADER_H

#include <e32image.h>

#include "imagereader.h"

class TRomRootDirectoryList;

class TRomDir;

class TRomImageHeader;

class TRomEntry;

class RomImageFSEntry;

class RomImageHeader;

const string KEpocIdentifier("EPOC");

const string KRomImageIdentifier("ROM");

const unsigned int KLdrOpcode = 0xe51ff004;

const unsigned int KRomBase = 0x80000000;

const unsigned int KRomBaseMaxLimit = 0x82000000;

/**

Class for ROM reader

@internalComponent

@released

*/

class RomReader : public ImageReader

{ 

public:

	RomReader(const char* aFile, EImageType aImgType );

	~RomReader(void);

	static bool IsRomImage(const string& aWord);

	static bool IsRomExtImage(const string& aWord);

	void ReadImage(void);

	void ProcessImage(void);

	void BuildDir(TRomDir *aDir, RomImageFSEntry* aPaFSEntry);

	void BuildDir(short int *aOffsetTbl, short int aOffsetTblCount, 

					TRomDir *aDir, RomImageFSEntry* aPaFSEntry);

	void GetRomDirTbl(short int** aBase, short int& aCount, TRomDir *aRomDir);

	void AddChild(RomImageFSEntry *aPa, RomImageFSEntry *aChild, TRomEntry* aRomEntry); 

	const unsigned long int ImageCompressionType(void) const;

	const char* RomHdrPtr(void) const;

	const unsigned long int RomBase(void) const;

	const unsigned int HdrSize(void) const;

	const unsigned long int RootDirList(void) const;

	const unsigned int ImgSize() const;

	void PrepareExecutableList(void);

	ExeNamesVsDepListMap& GatherDependencies(void);

	void PrepareAddVsExeMap(void);

	void CollectImportExecutableNames(const RomImageFSEntry* aEntry, StringList&  aImportExecutables);

	unsigned int CodeSectionAddress(unsigned int& aImageAddress);

    void PrepareExeVsIdMap(void);

    const ExeVsIdDataMap& GetExeVsIdMap(void) const;

    void PrepareExeVsRomFsEntryMap(void);

	RomImageHeader *iImageHeader;

	TRomRootDirectoryList *iRootDirList;

	RomImageFSEntry	*iRomImageRootDirEntry;

	unsigned char *iData;

    ExeVsRomFsEntryMap iExeVsRomFsEntryMap;

	EImageType iImgType;

	RomAddrVsExeName iAddVsExeMap;

	VectorList	iImageAddress;

	static bool iNoRomLoaderHeader;

};

#endif //ROMREADER_H