pfwinfilestream.h

来自「PowerFish is a class library, intended t」· C头文件 代码 · 共 58 行

///////////////////////////////////////////////////////////////////////////////////////////////////
//
// PowerFish core library
// Copyright (C) 1997-2001 Camilla Drefvenborg <[e-mail]>
//
// 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
//
///////////////////////////////////////////////////////////////////////////////////////////////////
#pragma once
///////////////////////////////////////////////////////////////////////////////////////////////////

class PfWinFileStream : public PfStream
{
public:
// constructors
																		PfWinFileStream(void);
	virtual														~PfWinFileStream(void);
// methods
	bool															Create(const char* szFileName, bool bAllowExist = true, bool bAllowRead = true, bool bAllowWrite = true);
	bool															Open(const char* szFileName, bool bAllowCreate = true, bool bAllowRead = true, bool bAllowWrite = true);
	void															Close(void);
// interface methods
	virtual unsigned int							Read(void* pData, unsigned int nBytes);
	virtual unsigned int							Peek(void* pData, unsigned int nBytes);
	virtual unsigned int							Write(const void* pData, unsigned int nBytes);
	virtual void											Skip(unsigned int nBytes);
	virtual void											Truncate(void);
	virtual void											Flush(void);
// interface accessors
	virtual bool											IsEOF(void) const;
	virtual bool											AllowsRead(void) const;
	virtual bool											AllowsWrite(void) const;
	virtual unsigned int							GetSize(void) const;
	virtual unsigned int							GetPosition(void) const;
	virtual void											SetPosition(unsigned int uPosition);
	virtual unsigned int							GetType(void) const;
protected:
// data
	bool															m_bOpen;
	HANDLE														m_hFile;
	bool															m_bRead;
	bool															m_bWrite;
};

///////////////////////////////////////////////////////////////////////////////////////////////////