ProjectArcade

1
using System;
2

3
namespace DokanNet
4
{
5
    /// <summary>
6
    /// Defines feature flags for the file system.
7
    /// </summary>
8
    /// \see <a href="https://msdn.microsoft.com/en-us/library/cc246323.aspx">File System Attribute Extensions (MSDN)</a>
9
    [Flags]
10
#pragma warning disable 3009
11
    public enum FileSystemFeatures : uint
12
#pragma warning restore 3009
13
    {
14
        /// <summary>
15
        /// No features defined.
16
        /// </summary>
17
        None = 0,
18

19
        /// <summary>
20
        /// The file system supports case-sensitive file names.
21
        /// </summary>
22
        CaseSensitiveSearch = 1,
23

24
        /// <summary>
25
        /// The file system preserves the case of file names when it stores the name on disk.
26
        /// </summary>
27
        CasePreservedNames = 2,
28

29
        /// <summary>
30
        /// The file system supports Unicode in file names.
31
        /// </summary>
32
        UnicodeOnDisk = 4,
33

34
        /// <summary>
35
        /// The file system preserves and enforces access control lists.
36
        /// </summary>
37
        PersistentAcls = 8,
38

39
        /// <summary>
40
        /// The file system supports per-user quotas.
41
        /// </summary>
42
        VolumeQuotas = 0x20,
43

44
        /// <summary>
45
        /// The file system supports sparse files.
46
        /// 
47
        /// This feature allows programs to create very large files, but to consume disk space only as needed.
48
        /// A sparse file is a file that contains much of zeros, and a file system that support
49
        /// this are removing repeating zeros to save space.
50
        /// </summary>
51
        /// \see <a href="https://msdn.microsoft.com/en-us/library/windows/desktop/aa365564(v=vs.85).aspx">Sparse Files (MSDN)</a>
52
        SupportsSparseFiles = 0x40,
53

54
        /// <summary>
55
        /// The file system supports reparse points.
56
        /// 
57
        /// Programs can trap open operations against objects in the file system and run their
58
        /// own code before returning file data. This feature can be used to extend file 
59
        /// system features such as mount points, which you can use to redirect data read
60
        /// and written from a folder to another volume or physical disk.
61
        /// </summary>
62
        SupportsReparsePoints = 0x80,
63

64
        /// <summary>
65
        /// The file system supports remote storage.
66
        /// </summary>
67
        SupportsRemoteStorage = 0x100,
68

69
        /// <summary>
70
        /// Volume is a compressed volume. This flag is incompatible with FILE_FILE_COMPRESSION.
71
        /// This does not affect how data is transferred over the network.
72
        /// </summary>
73
        VolumeIsCompressed = 0x00008000,
74

75
        /// <summary>
76
        /// File system supports object identifiers.
77
        /// </summary>
78
        SupportsObjectIDs = 0x00010000,
79

80
        /// <summary>
81
        /// File system supports encryption.
82
        /// </summary>
83
        SupportsEncryption = 0x00020000,
84

85
        /// <summary>
86
        /// File system supports multiple named data streams for a file.
87
        /// 
88
        /// The unnamed data stream is the stream where the content in the file is stored.
89
        /// A named stream is a stream where extra data can be stored. The data is connected to the file
90
        /// and if the file is moved, the data is copied to the new place if that file system support it.
91
        /// \see <a href="https://blogs.technet.microsoft.com/askcore/2013/03/24/alternate-data-streams-in-ntfs/">Alternate Data Streams in NTFS (TechNet)</a>
92
        /// </summary>
93
        NamedStreams = 0x00040000,
94

95
        /// <summary>
96
        /// Specified volume is read-only.
97
        /// </summary>
98
        ReadOnlyVolume = 0x00080000,
99

100
        /// <summary>
101
        /// Specified volume can be written to one time only. The write MUST be performed in sequential order.
102
        /// </summary>
103
        SequentialWriteOnce = 0x00100000,
104

105
        /// <summary>
106
        /// The file system supports transaction processing to group changes to files into a transaction.
107
        /// The transaction will guarantee that all changes happens, or none of them.
108
        /// \see <a href="https://msdn.microsoft.com/en-us/library/windows/desktop/aa365993(v=vs.85).aspx">About KTM (MSDN)</a>
109
        /// </summary>
110
        SupportsTransactions = 0x00200000
111
    }
112
}