1 // Windows/FileIO.h

     2 

     3 #ifndef __WINDOWS_FILEIO_H

     4 #define __WINDOWS_FILEIO_H

     5 

     6 #include "../Common/Types.h"

     7 

     8 namespace NWindows {

     9 namespace NFile {

    10 namespace NIO {

    11 

    12 struct CByHandleFileInfo

    13 { 

    14   DWORD    Attributes; 

    15   FILETIME CreationTime; 

    16   FILETIME LastAccessTime; 

    17   FILETIME LastWriteTime; 

    18   DWORD    VolumeSerialNumber; 

    19   UInt64   Size;

    20   DWORD    NumberOfLinks; 

    21   UInt64   FileIndex; 

    22 };

    23 

    24 class CFileBase

    25 {

    26 protected:

    27   HANDLE _handle;

    28   bool Create(LPCTSTR fileName, DWORD desiredAccess,

    29       DWORD shareMode, DWORD creationDisposition,  DWORD flagsAndAttributes);

    30   #ifndef _UNICODE

    31   bool Create(LPCWSTR fileName, DWORD desiredAccess,

    32       DWORD shareMode, DWORD creationDisposition,  DWORD flagsAndAttributes);

    33   #endif

    34 

    35 public:

    36   CFileBase(): _handle(INVALID_HANDLE_VALUE){};

    37   ~CFileBase();

    38 

    39   bool Close();

    40 

    41   bool GetPosition(UInt64 &position) const;

    42   bool GetLength(UInt64 &length) const;

    43 

    44   bool Seek(Int64 distanceToMove, DWORD moveMethod, UInt64 &newPosition) const;

    45   bool Seek(UInt64 position, UInt64 &newPosition); 

    46   bool SeekToBegin(); 

    47   bool SeekToEnd(UInt64 &newPosition); 

    48   

    49   bool GetFileInformation(CByHandleFileInfo &fileInfo) const;

    50 };

    51 

    52 class CInFile: public CFileBase

    53 {

    54 public:

    55   bool Open(LPCTSTR fileName, DWORD shareMode, DWORD creationDisposition, DWORD flagsAndAttributes);

    56   bool OpenShared(LPCTSTR fileName, bool shareForWrite);

    57   bool Open(LPCTSTR fileName);

    58   #ifndef _UNICODE

    59   bool Open(LPCWSTR fileName, DWORD shareMode, DWORD creationDisposition, DWORD flagsAndAttributes);

    60   bool OpenShared(LPCWSTR fileName, bool shareForWrite);

    61   bool Open(LPCWSTR fileName);

    62   #endif

    63   bool ReadPart(void *data, UInt32 size, UInt32 &processedSize);

    64   bool Read(void *data, UInt32 size, UInt32 &processedSize);

    65 };

    66 

    67 class COutFile: public CFileBase

    68 {

    69   // DWORD m_CreationDisposition;

    70 public:

    71   // COutFile(): m_CreationDisposition(CREATE_NEW){};

    72   bool Open(LPCTSTR fileName, DWORD shareMode, DWORD creationDisposition, DWORD flagsAndAttributes);

    73   bool Open(LPCTSTR fileName, DWORD creationDisposition);

    74   bool Create(LPCTSTR fileName, bool createAlways);

    75 

    76   #ifndef _UNICODE

    77   bool Open(LPCWSTR fileName, DWORD shareMode, DWORD creationDisposition, DWORD flagsAndAttributes);

    78   bool Open(LPCWSTR fileName, DWORD creationDisposition);

    79   bool Create(LPCWSTR fileName, bool createAlways);

    80   #endif

    81 

    82   /*

    83   void SetOpenCreationDisposition(DWORD creationDisposition)

    84     { m_CreationDisposition = creationDisposition; }

    85   void SetOpenCreationDispositionCreateAlways()

    86     { m_CreationDisposition = CREATE_ALWAYS; }

    87   */

    88 

    89   bool SetTime(const FILETIME *creationTime, const FILETIME *lastAccessTime, const FILETIME *lastWriteTime);

    90   bool SetLastWriteTime(const FILETIME *lastWriteTime);

    91   bool WritePart(const void *data, UInt32 size, UInt32 &processedSize);

    92   bool Write(const void *data, UInt32 size, UInt32 &processedSize);

    93   bool SetEndOfFile();

    94   bool SetLength(UInt64 length);

    95 };

    96 

    97 }}}

    98 

    99 #endif