scummvm/engines/cge/cfile.h
2011-07-18 18:05:57 +02:00

81 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 __CGE_CFILE__
#define __CGE_CFILE__
#include "cge/general.h"
namespace CGE {
#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;
uint16 _lim;
long _bufMark;
uint16 _seed;
CRYPT *_crypt;
virtual void readBuf();
virtual void writeBuf();
public:
IoBuf(IOMODE mode, CRYPT *crpt = NULL);
IoBuf(const char *name, IOMODE mode, CRYPT *crpt = NULL);
virtual ~IoBuf();
uint16 read(void *buf, uint16 len);
uint16 read(uint8 *buf);
int read();
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 flush();
long mark();
long seek(long pos);
void append(CFile &f);
};
} // End of namespace CGE
#endif