scummvm/engines/cge/cfile.h

84 lines
2.0 KiB
C++

/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
/*
* This code is based on original Soltys source code
* Copyright (c) 1994-1995 Janus B. Wisniewski and L.K. Avalon
*/
#ifndef __CFILE__
#define __CFILE__
#include "cge/general.h"
#include <io.h>
#define LINE_MAX 512
#ifndef IOBUF_SIZE
#define IOBUF_SIZE K(2)
#endif
#define CFREAD(x) Read((uint8 *)(x),sizeof(*(x)))
class IOBUF : public IOHAND
{
protected:
uint8 * Buff;
uint16 Ptr, Lim;
long BufMark;
uint16 Seed;
CRYPT * Crypt;
virtual void ReadBuff (void);
virtual void WriteBuff (void);
public:
IOBUF (IOMODE mode, CRYPT * crpt = NULL);
IOBUF (const char * name, IOMODE mode, CRYPT * crpt = NULL);
virtual ~IOBUF (void);
uint16 Read (void * buf, uint16 len);
uint16 Read (char * buf);
int Read (void);
uint16 Write (void * buf, uint16 len);
uint16 Write (uint8 * buf);
void Write (uint8 b);
};
class CFILE : public IOBUF
{
public:
static uint16 MaxLineLen;
CFILE (const char * name, IOMODE mode = REA, CRYPT * crpt = NULL);
virtual ~CFILE (void);
void Flush (void);
long Mark (void);
long Seek (long pos);
void Append (CFILE& f);
};
#endif