1 /*

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

     3 * All rights reserved.

     4 *

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

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

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

     8 * (at your option) any later version.

     9 *

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

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

    12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

    13 * GNU Lesser General Public License for more details.

    14 * 

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

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

    17 */

    18 

    19 #ifndef OUTPUTFILE_H_

    20 #define OUTPUTFILE_H_

    21 

    22 #include <vector>

    23 

    24 #include "defs.h"

    25 #include "filefragment.h"

    26 

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

    28 //#define DELETE_OUTPUT_ON_ERROR

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

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

    31 //#define USE_PWRITE

    32 

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

    34 class OutputFile

    35 {

    36 public:

    37 	OutputFile(PathName aFileName);

    38 	virtual ~OutputFile();

    39 

    40 	virtual void Close();

    41 	virtual void Flush();

    42 	virtual void Dump();

    43 	virtual const FileFragment & GetFileFragment(FileFragmentOwner * aOwner);

    44 	virtual void Open();

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

    46 	virtual size_t Size(){ return iCurrentOffset; }

    47 

    48 private:

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

    50 	OutputFile(const OutputFile & aOutputFile);

    51 	

    52 	OutputFile & operator=(const OutputFile & aOutputFile);

    53 	

    54 private:

    55 	typedef std::vector<FileFragment> FragmentList;

    56 	

    57 	PathName iFileName;

    58 	FragmentList iFileFragments;

    59 	bool iOpened;

    60 	int iFd;

    61 	size_t iCurrentOffset;

    62 

    63 };

    64 

    65 #endif /*OUTPUTFILE_H_*/