/*

* 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 OUTPUTFILE_H_

#define OUTPUTFILE_H_

#include <vector>

#include "defs.h"

#include "filefragment.h"

// uncomment this is output file should be deleted on error

//#define DELETE_OUTPUT_ON_ERROR

// uncomment to use pwrite (this should be more efficient) but results in different

// file pointer behaviour. NB not defined by MINGW in unistd.h 

//#define USE_PWRITE

// TODO: NB currently this can only deal with 4gb files. Need to upgrade for larger files

class OutputFile

{

public:

	OutputFile(PathName aFileName);

	virtual ~OutputFile();

	virtual void Close();

	virtual void Flush();

	virtual void Dump();

	virtual const FileFragment & GetFileFragment(FileFragmentOwner * aOwner);

	virtual void Open();

	virtual void Write(size_t aOffset, size_t aSize, char * aData);

	virtual size_t Size(){ return iCurrentOffset; }

private:

	// Don't want one of these to be copied

	OutputFile(const OutputFile & aOutputFile);

	OutputFile & operator=(const OutputFile & aOutputFile);

private:

	typedef std::vector<FileFragment> FragmentList;

	PathName iFileName;

	FragmentList iFileFragments;

	bool iOpened;

	int iFd;

	size_t iCurrentOffset;

};

#endif /*OUTPUTFILE_H_*/