/*

* 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 INPUTFILE_H_

#define INPUTFILE_H_

#include <cassert>

#include "defs.h"

class InputFile {

public:

	InputFile(PathName & aPath) :

		iPathName(aPath), iFd(0), iOpened(false), iSize(0), iSizeValid(false), iOffset(0)

		{

			assert(iPathName.size() != 0);

		}

	~InputFile();

	void Open();

	void Close();

	size_t Size();

	char * GetData();

	char * GetData(size_t nbytes);

	void GetData(void * data, size_t nbytes);

	void SetOffset(size_t aOffset) { iOffset = aOffset; }

	size_t GetOffset() { return iOffset; }

	InputFile & operator=(const InputFile & aInputFile);

	InputFile(const InputFile & aInputFile);

private:

	void SetSize();

private:

	PathName iPathName;

	int iFd;

	bool iOpened;

	size_t iSize;

	bool iSizeValid;

	size_t iOffset;

};

#endif /*INPUTFILE_H_*/