Subversion Repositories spk

/*****************************************************************************

  clsFILE

  -------

  This is a class for handling files and memory maps of them.

  by yoda

  WWW:      y0da.cjb.net

  E-mail:   LordPE@gmx.net

  You are allowed to use this source code in your own projects if you mention

  my name.

*****************************************************************************/

#ifndef __File_h__

#define __File_h__

#include <windows.h>

//

// constants

//

// modes for GetFileHandle

#define F_OPENEXISTING_R     0

#define F_OPENEXISTING_RW    1

#define F_CREATENEW          2

#define F_TRUNCATE           3

//

// clsFILE class

//

class clsFILE

{

public:

	clsFILE();

	~clsFILE();

	BOOL          GetFileHandle(char *szFilePath, DWORD dwMode);

	BOOL          GetFileHandleWithMaxAccess(char* szFilePath);

	BOOL          Destroy();

	void          InitVars();

	HANDLE        GetHandle();

	BOOL          IsFileReadOnly();

	BOOL          MapFile();

	void*         GetMapPtr();

	BOOL          UnmapFile();

	BOOL          ReMapFile(DWORD dwNewSize);

	DWORD         GetMapSize();

	BOOL          IsMapped();

	DWORD         GetFSize();

	BOOL          FlushFileMap();

	static BOOL   FileExists(char* szFilePath);

	char*         GetFilePath();

	BOOL          Write(void* pBuff, DWORD dwc);

	BOOL          Read(void* pBuff, DWORD dwc);

	BOOL          SetFPointer(DWORD dwOff);

	BOOL          Truncate();

	void          SetMapPtrSize(void* ptr, DWORD dwSize);

private:

	DWORD         dwMapSize;

	void          *pMap;

	BOOL          bReadOnly;

	HANDLE        hFile;

	char          cFilePath[MAX_PATH];

};

#endif