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/* -*- C++ -*-
*
* NsaReader.h - Reader from a NSA archive
*
* Copyright (c) 2001-2014 Ogapee. All rights reserved.
*
* ogapee@aqua.dti2.ne.jp
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __NSA_READER_H__
#define __NSA_READER_H__
#include "SarReader.h"
#define MAX_EXTRA_ARCHIVE 9
#define MAX_NS2_ARCHIVE 100
class NsaReader : public SarReader
{
public:
NsaReader( unsigned int nsa_offset=0, char *path=NULL, int archive_type=ARCHIVE_TYPE_NSA, const unsigned char *key_table=NULL );
~NsaReader();
int open( const char *nsa_path=NULL );
const char *getArchiveName() const;
int getNumFiles();
size_t getFileLength( const char *file_name );
size_t getFile( const char *file_name, unsigned char *buf, int *location=NULL );
FileInfo getFileByIndex( unsigned int index );
int openForConvert( char *nsa_name, int archive_type=ARCHIVE_TYPE_NSA, unsigned int nsa_offset=0 );
int writeHeader( FILE *fp, int archive_type=ARCHIVE_TYPE_NSA, int nsa_offset=0 );
size_t putFile( FILE *fp, int no, size_t offset, size_t length, size_t original_length, int compression_type, bool modified_flag, unsigned char *buffer );
private:
bool sar_flag;
int nsa_offset;
int archive_type;
int num_of_nsa_archives;
int num_of_ns2_archives;
const char *nsa_archive_ext;
const char *ns2_archive_ext;
ArchiveInfo archive_info2[MAX_EXTRA_ARCHIVE];
ArchiveInfo archive_info_ns2[MAX_NS2_ARCHIVE];
size_t getFileLengthSub( ArchiveInfo *ai, const char *file_name );
};
#endif // __NSA_READER_H__
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