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1 // Windows/FileIO.h
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2
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3 #ifndef __WINDOWS_FILEIO_H
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4 #define __WINDOWS_FILEIO_H
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5
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6 #include "../Common/Types.h"
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7
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8 namespace NWindows {
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9 namespace NFile {
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10 namespace NIO {
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11
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12 struct CByHandleFileInfo
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13 {
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14 DWORD Attributes;
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15 FILETIME CTime;
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16 FILETIME ATime;
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17 FILETIME MTime;
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18 DWORD VolumeSerialNumber;
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19 UInt64 Size;
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20 DWORD NumberOfLinks;
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21 UInt64 FileIndex;
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22 };
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23
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24 class CFileBase
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25 {
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26 protected:
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27 HANDLE _handle;
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28 bool Create(LPCTSTR fileName, DWORD desiredAccess,
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29 DWORD shareMode, DWORD creationDisposition, DWORD flagsAndAttributes);
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30 #ifndef _UNICODE
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31 bool Create(LPCWSTR fileName, DWORD desiredAccess,
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32 DWORD shareMode, DWORD creationDisposition, DWORD flagsAndAttributes);
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33 #endif
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34
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35 public:
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36 CFileBase(): _handle(INVALID_HANDLE_VALUE){};
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37 ~CFileBase();
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38
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39 bool Close();
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40
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41 bool GetPosition(UInt64 &position) const;
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42 bool GetLength(UInt64 &length) const;
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43
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44 bool Seek(Int64 distanceToMove, DWORD moveMethod, UInt64 &newPosition) const;
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45 bool Seek(UInt64 position, UInt64 &newPosition);
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46 bool SeekToBegin();
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47 bool SeekToEnd(UInt64 &newPosition);
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48
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49 bool GetFileInformation(CByHandleFileInfo &fileInfo) const;
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50 };
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51
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52 class CInFile: public CFileBase
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53 {
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54 public:
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55 bool Open(LPCTSTR fileName, DWORD shareMode, DWORD creationDisposition, DWORD flagsAndAttributes);
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56 bool OpenShared(LPCTSTR fileName, bool shareForWrite);
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57 bool Open(LPCTSTR fileName);
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58 #ifndef _UNICODE
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59 bool Open(LPCWSTR fileName, DWORD shareMode, DWORD creationDisposition, DWORD flagsAndAttributes);
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60 bool OpenShared(LPCWSTR fileName, bool shareForWrite);
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61 bool Open(LPCWSTR fileName);
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62 #endif
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63 bool ReadPart(void *data, UInt32 size, UInt32 &processedSize);
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64 bool Read(void *data, UInt32 size, UInt32 &processedSize);
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65 };
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66
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67 class COutFile: public CFileBase
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68 {
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69 // DWORD m_CreationDisposition;
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70 public:
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71 // COutFile(): m_CreationDisposition(CREATE_NEW){};
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72 bool Open(LPCTSTR fileName, DWORD shareMode, DWORD creationDisposition, DWORD flagsAndAttributes);
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73 bool Open(LPCTSTR fileName, DWORD creationDisposition);
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74 bool Create(LPCTSTR fileName, bool createAlways);
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75
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76 #ifndef _UNICODE
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77 bool Open(LPCWSTR fileName, DWORD shareMode, DWORD creationDisposition, DWORD flagsAndAttributes);
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78 bool Open(LPCWSTR fileName, DWORD creationDisposition);
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79 bool Create(LPCWSTR fileName, bool createAlways);
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80 #endif
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81
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82 /*
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83 void SetOpenCreationDisposition(DWORD creationDisposition)
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84 { m_CreationDisposition = creationDisposition; }
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85 void SetOpenCreationDispositionCreateAlways()
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86 { m_CreationDisposition = CREATE_ALWAYS; }
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87 */
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88
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89 bool SetTime(const FILETIME *cTime, const FILETIME *aTime, const FILETIME *mTime);
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90 bool SetMTime(const FILETIME *mTime);
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91 bool WritePart(const void *data, UInt32 size, UInt32 &processedSize);
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92 bool Write(const void *data, UInt32 size, UInt32 &processedSize);
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93 bool SetEndOfFile();
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94 bool SetLength(UInt64 length);
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95 };
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96
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97 }}}
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98
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99 #endif
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