scummvm/engines/sword25/kernel/inputpersistenceblock.h
2010-10-12 22:13:00 +00:00

86 lines
2.5 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.
*
* $URL$
* $Id$
*
*/
/*
* This code is based on Broken Sword 2.5 engine
*
* Copyright (c) Malte Thiesen, Daniel Queteschiner and Michael Elsdoerfer
*
* Licensed under GNU GPL v2
*
*/
#ifndef SWORD25_INPUTPERSISTENCEBLOCK_H
#define SWORD25_INPUTPERSISTENCEBLOCK_H
// -----------------------------------------------------------------------------
// Includes
// -----------------------------------------------------------------------------
#include "sword25/kernel/common.h"
#include "sword25/kernel/persistenceblock.h"
#include "sword25/kernel/memlog_off.h"
#include <vector>
#include "sword25/kernel/memlog_on.h"
// -----------------------------------------------------------------------------
// Class declaration
// -----------------------------------------------------------------------------
class BS_InputPersistenceBlock : public BS_PersistenceBlock
{
public:
enum ErrorState
{
NONE,
END_OF_DATA,
OUT_OF_SYNC
};
BS_InputPersistenceBlock(const void * Data, unsigned int DataLength);
virtual ~BS_InputPersistenceBlock();
void Read(signed int & Value);
void Read(unsigned int & Value);
void Read(float & Value);
void Read(bool & Value);
void Read(std::string & Value);
void Read(std::vector<unsigned char> & Value);
bool IsGood() const { return m_ErrorState == NONE; }
ErrorState GetErrorState() const { return m_ErrorState; }
private:
bool CheckMarker(unsigned char Marker);
bool CheckBlockSize(int Size);
void RawRead(void * DestPtr, size_t Size);
std::vector<unsigned char> m_Data;
std::vector<unsigned char>::const_iterator m_Iter;
ErrorState m_ErrorState;
};
#endif