/*

* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

*

* This program is free software: you can redistribute it and/or modify

* it under the terms of the GNU Lesser General Public License as published by

* the Free Software Foundation, either version 3 of the License, or

* (at your option) any later version.

*

* This program is distributed in the hope that it will be useful,

* but WITHOUT ANY WARRANTY; without even the implied warranty of

* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

* GNU Lesser General Public License for more details.

* 

* You should have received a copy of the GNU Lesser General Public License

* along with this program.  If not, see <http://www.gnu.org/licenses/>.

*/

#ifndef E32ROMIMAGE_H_

#define E32ROMIMAGE_H_

#include <cassert>

#include "defs.h"

#include "filefragment.h"

#include "inputfile.h"

class E32RomImage : public FileFragmentOwner {

public:

	typedef struct // this is the structure of an EPOC rom header

	{

		char name[16];

	    unsigned char versionStr[4];

	    unsigned char buildNumStr[4];

	    unsigned long romSize;

	    unsigned long wrapSize;

	} E32RomHeader;

public:

	E32RomImage(PathName aPath):

		iRomFile(aPath), iData(NULL)

		{};	

	void SetupRomData();

	// The FileFragmentOwner protocol

	virtual void GetFileFragmentData(FileFragmentData & aFileFragmentData );

	virtual size_t Size() { 

		assert(iRomFile.Size() - iRomFile.GetOffset()); 

		return iRomFile.Size() - iRomFile.GetOffset(); 

	};

	virtual void DeleteFileFragmentData();

private:

	void Open();

	void Close();

	void SetSize();

private:	

	InputFile iRomFile;

	char * iData;

	E32RomHeader iE32RomHeader;

};

#endif /*E32ROMIMAGE_H_*/