text: // Windows/FileIO.h
  
  #ifndef __WINDOWS_FILEIO_H
  #define __WINDOWS_FILEIO_H
  
  namespace NWindows {
  namespace NFile {
  namespace NIO {
  
  struct CByHandleFileInfo
  { 
    DWORD    Attributes; 
    FILETIME CreationTime; 
    FILETIME LastAccessTime; 
    FILETIME LastWriteTime; 
    DWORD    VolumeSerialNumber; 
    UINT64   Size;
    DWORD    NumberOfLinks; 
    UINT64   FileIndex; 
  };
  
  class CFileBase
  {
  protected:
    bool _fileIsOpen;
    HANDLE _handle;
    bool Create(LPCTSTR fileName, DWORD desiredAccess,
        DWORD shareMode, DWORD creationDisposition,  DWORD flagsAndAttributes);
    #ifndef _UNICODE
    bool Create(LPCWSTR fileName, DWORD desiredAccess,
        DWORD shareMode, DWORD creationDisposition,  DWORD flagsAndAttributes);
    #endif
  
  public:
    CFileBase():
      _fileIsOpen(false){};
    virtual ~CFileBase();
  
    virtual bool Close();
  
    bool GetPosition(UINT64 &position) const;
    bool GetLength(UINT64 &length) const;
  
    bool Seek(INT64 distanceToMove, DWORD moveMethod, UINT64 &newPosition) const;
    bool Seek(UINT64 position, UINT64 &newPosition); 
    bool SeekToBegin(); 
    bool SeekToEnd(UINT64 &newPosition); 
    
    bool GetFileInformation(CByHandleFileInfo &fileInfo) const;
  };
  
  class CInFile: public CFileBase
  {
  public:
    bool Open(LPCTSTR fileName, DWORD shareMode, 
        DWORD creationDisposition,  DWORD flagsAndAttributes);
    bool Open(LPCTSTR fileName);
    #ifndef _UNICODE
    bool Open(LPCWSTR fileName, DWORD shareMode, 
        DWORD creationDisposition,  DWORD flagsAndAttributes);
    bool Open(LPCWSTR fileName);
    #endif
    bool Read(void *data, UINT32 size, UINT32 &processedSize);
  };
  
  class COutFile: public CFileBase
  {
    DWORD m_CreationDisposition;
  public:
    COutFile(): m_CreationDisposition(CREATE_NEW){};
    bool Open(LPCTSTR fileName, DWORD shareMode, 
        DWORD creationDisposition, DWORD flagsAndAttributes);
    bool Open(LPCTSTR fileName);
  
    #ifndef _UNICODE
    bool Open(LPCWSTR fileName, DWORD shareMode, 
        DWORD creationDisposition, DWORD flagsAndAttributes);
    bool Open(LPCWSTR fileName);
    #endif
  
    void SetOpenCreationDisposition(DWORD creationDisposition)
      { m_CreationDisposition = creationDisposition; }
    void SetOpenCreationDispositionCreateAlways()
      { m_CreationDisposition = CREATE_ALWAYS; }
  
    bool SetTime(const FILETIME *creationTime,
        const FILETIME *lastAccessTime, const FILETIME *lastWriteTime);
    bool SetLastWriteTime(const FILETIME *lastWriteTime);
    bool Write(const void *data, UINT32 size, UINT32 &processedSize);
    bool SetEndOfFile();
    bool SetLength(UINT64 length);
  };
  
  }}}
  
  #endif
  