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/*
This file is part of Advanced Strategic Command; http://www.asc-hq.de
Copyright (C) 1994-1999 Martin Bickel and Marc Schellenberger
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; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 59 Temple Place, Suite 330,
Boston, MA 02111-1307 USA
*/
#ifndef simplestreamH
#define simplestreamH
#include <time.h>
#include "ascstring.h"
#include "errors.h"
#include "basestreaminterface.h"
class tnbufstream : public tnstream {
char minbuf;
int datalen;
protected:
char* zeiger;
IOMode _mode;
int actmempos;
int memsize;
int datasize;
virtual void readbuffer( void ) = 0;
virtual void writebuffer( void ) = 0;
virtual void close( void ) {};
public:
tnbufstream ( );
virtual void writedata ( const void* buf, int size );
virtual int readdata ( void* buf, int size, bool excpt = true );
virtual ~tnbufstream ( );
};
class tn_file_buf_stream : public tnbufstream {
FILE* fp;
int actfilepos;
bool sizeCached;
int sizeValue;
bool timeCached;
int timeValue;
protected:
void readbuffer( void );
void writebuffer( void );
public:
tn_file_buf_stream ( const ASCString& _fileName, IOMode mode );
virtual void seek ( int newpos );
virtual int getstreamsize ( void );
virtual int getSize ( void ) { return getstreamsize(); };
virtual time_t get_time ( void );
virtual ~tn_file_buf_stream( );
};
class tfileerror : public ASCexception {
ASCString _filename;
public:
tfileerror ( const ASCString& fileName ) ;
const ASCString& getFileName() const { return _filename; };
tfileerror ( void ) {};
};
class tinvalidmode : public tfileerror {
public:
int orgmode, requestmode;
tinvalidmode ( const ASCString& fileName, tnstream::IOMode org_mode, tnstream::IOMode requested_mode ) ;
};
class treadafterend : public tfileerror {
public:
treadafterend ( const ASCString& fileName );
};
class tinternalerror: public ASCexception {
int linenum;
const char* sourcefilename;
public:
tinternalerror ( const char* filename, int l );
};
#endif
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