mirror of
https://github.com/winfsp/winfsp.git
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tst: memfs-dotnet: remove dead code
This commit is contained in:
Bill Zissimopoulos
parent
acf175da60
commit
0bca8f851c
@ -6,6 +6,7 @@
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<Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
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<ProjectGuid>{4920E350-D496-4652-AE98-6C4208AEC1D8}</ProjectGuid>
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<OutputType>Exe</OutputType>
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<ProjectName>memfs-dotnet</ProjectName>
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<AppDesignerFolder>Properties</AppDesignerFolder>
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<RootNamespace>memfs</RootNamespace>
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<AssemblyName>memfs-dotnet-msil</AssemblyName>
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@ -1145,633 +1145,3 @@ namespace memfs
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}
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}
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}
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#if false
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using System.Collections;
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using System.IO;
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using System.Runtime.InteropServices;
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using System.Security.AccessControl;
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namespace memfs
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{
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class Memfs : FileSystemBase
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{
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protected const int ALLOCATION_UNIT = 4096;
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protected static void ThrowIoExceptionWithHResult(Int32 HResult)
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{
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throw new IOException(null, HResult);
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}
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protected static void ThrowIoExceptionWithWin32(Int32 Error)
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{
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ThrowIoExceptionWithHResult(unchecked((Int32)(0x80070000 | Error)));
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}
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protected static void ThrowIoExceptionWithNtStatus(Int32 Status)
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{
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ThrowIoExceptionWithWin32((Int32)Win32FromNtStatus(Status));
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}
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protected class FileDesc
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{
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public FileStream Stream;
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public DirectoryInfo DirInfo;
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public DictionaryEntry[] FileSystemInfos;
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public FileDesc(FileStream Stream)
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{
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this.Stream = Stream;
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}
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public FileDesc(DirectoryInfo DirInfo)
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{
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this.DirInfo = DirInfo;
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}
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public static void GetFileInfoFromFileSystemInfo(
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FileSystemInfo Info,
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out FileInfo FileInfo)
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{
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FileInfo.FileAttributes = (UInt32)Info.Attributes;
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FileInfo.ReparseTag = 0;
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FileInfo.FileSize = Info is System.IO.FileInfo ?
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(UInt64)((System.IO.FileInfo)Info).Length : 0;
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FileInfo.AllocationSize = (FileInfo.FileSize + ALLOCATION_UNIT - 1)
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/ ALLOCATION_UNIT * ALLOCATION_UNIT;
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FileInfo.CreationTime = (UInt64)Info.CreationTimeUtc.ToFileTimeUtc();
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FileInfo.LastAccessTime = (UInt64)Info.LastAccessTimeUtc.ToFileTimeUtc();
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FileInfo.LastWriteTime = (UInt64)Info.LastWriteTimeUtc.ToFileTimeUtc();
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FileInfo.ChangeTime = FileInfo.LastWriteTime;
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FileInfo.IndexNumber = 0;
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FileInfo.HardLinks = 0;
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}
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public Int32 GetFileInfo(out FileInfo FileInfo)
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{
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if (null != Stream)
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{
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BY_HANDLE_FILE_INFORMATION Info;
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if (!GetFileInformationByHandle(Stream.SafeFileHandle.DangerousGetHandle(),
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out Info))
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ThrowIoExceptionWithWin32(Marshal.GetLastWin32Error());
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FileInfo.FileAttributes = Info.dwFileAttributes;
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FileInfo.ReparseTag = 0;
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FileInfo.FileSize = (UInt64)Stream.Length;
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FileInfo.AllocationSize = (FileInfo.FileSize + ALLOCATION_UNIT - 1)
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/ ALLOCATION_UNIT * ALLOCATION_UNIT;
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FileInfo.CreationTime = Info.ftCreationTime;
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FileInfo.LastAccessTime = Info.ftLastAccessTime;
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FileInfo.LastWriteTime = Info.ftLastWriteTime;
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FileInfo.ChangeTime = FileInfo.LastWriteTime;
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FileInfo.IndexNumber = 0;
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FileInfo.HardLinks = 0;
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}
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else
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GetFileInfoFromFileSystemInfo(DirInfo, out FileInfo);
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return STATUS_SUCCESS;
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}
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public void SetBasicInfo(
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UInt32 FileAttributes,
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UInt64 CreationTime,
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UInt64 LastAccessTime,
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UInt64 LastWriteTime)
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{
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if (0 == FileAttributes)
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FileAttributes = (UInt32)System.IO.FileAttributes.Normal;
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if (null != Stream)
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{
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FILE_BASIC_INFO Info = default(FILE_BASIC_INFO);
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if (unchecked((UInt32)(-1)) != FileAttributes)
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Info.FileAttributes = FileAttributes;
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if (0 != CreationTime)
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Info.CreationTime = CreationTime;
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if (0 != LastAccessTime)
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Info.LastAccessTime = LastAccessTime;
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if (0 != LastWriteTime)
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Info.LastWriteTime = LastWriteTime;
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if (!SetFileInformationByHandle(Stream.SafeFileHandle.DangerousGetHandle(),
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0/*FileBasicInfo*/, ref Info, (UInt32)Marshal.SizeOf(Info)))
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ThrowIoExceptionWithWin32(Marshal.GetLastWin32Error());
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}
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else
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{
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if (unchecked((UInt32)(-1)) != FileAttributes)
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DirInfo.Attributes = (System.IO.FileAttributes)FileAttributes;
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if (0 != CreationTime)
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DirInfo.CreationTimeUtc = DateTime.FromFileTimeUtc((Int64)CreationTime);
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if (0 != LastAccessTime)
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DirInfo.LastAccessTimeUtc = DateTime.FromFileTimeUtc((Int64)LastAccessTime);
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if (0 != LastWriteTime)
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DirInfo.LastWriteTimeUtc = DateTime.FromFileTimeUtc((Int64)LastWriteTime);
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}
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}
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public UInt32 GetFileAttributes()
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{
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FileInfo FileInfo;
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GetFileInfo(out FileInfo);
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return FileInfo.FileAttributes;
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}
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public void SetFileAttributes(UInt32 FileAttributes)
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{
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SetBasicInfo(FileAttributes, 0, 0, 0);
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}
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public Byte[] GetSecurityDescriptor()
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{
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if (null != Stream)
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return Stream.GetAccessControl().GetSecurityDescriptorBinaryForm();
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else
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return DirInfo.GetAccessControl().GetSecurityDescriptorBinaryForm();
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}
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public void SetSecurityDescriptor(AccessControlSections Sections, Byte[] SecurityDescriptor)
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{
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Int32 SecurityInformation = 0;
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if (0 != (Sections & AccessControlSections.Owner))
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SecurityInformation |= 1/*OWNER_SECURITY_INFORMATION*/;
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if (0 != (Sections & AccessControlSections.Group))
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SecurityInformation |= 2/*GROUP_SECURITY_INFORMATION*/;
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if (0 != (Sections & AccessControlSections.Access))
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SecurityInformation |= 4/*DACL_SECURITY_INFORMATION*/;
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if (0 != (Sections & AccessControlSections.Audit))
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SecurityInformation |= 8/*SACL_SECURITY_INFORMATION*/;
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if (null != Stream)
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{
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if (!SetKernelObjectSecurity(Stream.SafeFileHandle.DangerousGetHandle(),
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SecurityInformation, SecurityDescriptor))
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ThrowIoExceptionWithWin32(Marshal.GetLastWin32Error());
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}
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else
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{
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if (!SetFileSecurityW(DirInfo.FullName,
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SecurityInformation, SecurityDescriptor))
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ThrowIoExceptionWithWin32(Marshal.GetLastWin32Error());
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}
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}
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public void SetDisposition(Boolean Safe)
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{
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if (null != Stream)
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{
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FILE_DISPOSITION_INFO Info;
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Info.DeleteFile = true;
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if (!SetFileInformationByHandle(Stream.SafeFileHandle.DangerousGetHandle(),
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4/*FileDispositionInfo*/, ref Info, (UInt32)Marshal.SizeOf(Info)))
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if (!Safe)
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ThrowIoExceptionWithWin32(Marshal.GetLastWin32Error());
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}
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else
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try
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{
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DirInfo.Delete();
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}
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catch (Exception ex)
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{
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if (!Safe)
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ThrowIoExceptionWithHResult(ex.HResult);
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}
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}
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public static void Rename(String FileName, String NewFileName, Boolean ReplaceIfExists)
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{
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if (!MoveFileExW(FileName, NewFileName, ReplaceIfExists ? 1U/*MOVEFILE_REPLACE_EXISTING*/ : 0))
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ThrowIoExceptionWithWin32(Marshal.GetLastWin32Error());
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}
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/* interop */
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[StructLayout(LayoutKind.Sequential, Pack = 4)]
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private struct BY_HANDLE_FILE_INFORMATION
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{
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public UInt32 dwFileAttributes;
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public UInt64 ftCreationTime;
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public UInt64 ftLastAccessTime;
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public UInt64 ftLastWriteTime;
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public UInt32 dwVolumeSerialNumber;
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public UInt32 nFileSizeHigh;
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public UInt32 nFileSizeLow;
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public UInt32 nNumberOfLinks;
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public UInt32 nFileIndexHigh;
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public UInt32 nFileIndexLow;
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}
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[StructLayout(LayoutKind.Sequential)]
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private struct FILE_BASIC_INFO
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{
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public UInt64 CreationTime;
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public UInt64 LastAccessTime;
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public UInt64 LastWriteTime;
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public UInt64 ChangeTime;
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public UInt32 FileAttributes;
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}
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[StructLayout(LayoutKind.Sequential)]
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private struct FILE_DISPOSITION_INFO
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{
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public Boolean DeleteFile;
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}
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[DllImport("kernel32.dll", SetLastError = true)]
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private static extern Boolean GetFileInformationByHandle(
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IntPtr hFile,
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out BY_HANDLE_FILE_INFORMATION lpFileInformation);
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[DllImport("kernel32.dll", SetLastError = true)]
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private static extern Boolean SetFileInformationByHandle(
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IntPtr hFile,
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Int32 FileInformationClass,
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ref FILE_BASIC_INFO lpFileInformation,
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UInt32 dwBufferSize);
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[DllImport("kernel32.dll", SetLastError = true)]
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private static extern Boolean SetFileInformationByHandle(
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IntPtr hFile,
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Int32 FileInformationClass,
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ref FILE_DISPOSITION_INFO lpFileInformation,
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UInt32 dwBufferSize);
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[DllImport("kernel32.dll", SetLastError = true)]
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private static extern Boolean MoveFileExW(
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[MarshalAs(UnmanagedType.LPWStr)] String lpExistingFileName,
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[MarshalAs(UnmanagedType.LPWStr)] String lpNewFileName,
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UInt32 dwFlags);
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[DllImport("advapi32.dll", SetLastError = true)]
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private static extern Boolean SetFileSecurityW(
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[MarshalAs(UnmanagedType.LPWStr)] String FileName,
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Int32 SecurityInformation,
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Byte[] SecurityDescriptor);
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[DllImport("advapi32.dll", SetLastError = true)]
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private static extern Boolean SetKernelObjectSecurity(
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IntPtr Handle,
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Int32 SecurityInformation,
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Byte[] SecurityDescriptor);
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}
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private class DirectoryEntryComparer : IComparer
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{
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public int Compare(object x, object y)
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{
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return String.Compare(
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(String)((DictionaryEntry)x).Key,
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(String)((DictionaryEntry)y).Key);
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}
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}
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private static DirectoryEntryComparer _DirectoryEntryComparer =
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new DirectoryEntryComparer();
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public Memfs(String Path0)
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{
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_Path = Path.GetFullPath(Path0);
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if (_Path.EndsWith("\\"))
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_Path = _Path.Substring(0, _Path.Length - 1);
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}
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public String ConcatPath(String FileName)
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{
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return _Path + FileName;
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}
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public override Int32 ExceptionHandler(Exception ex)
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{
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Int32 HResult = ex.HResult; /* needs Framework 4.5 */
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if (0x80070000 == (HResult & 0xFFFF0000))
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return NtStatusFromWin32((UInt32)HResult & 0xFFFF);
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return STATUS_UNEXPECTED_IO_ERROR;
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}
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public override Int32 GetSecurityByName(
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String FileName,
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out UInt32 FileAttributes/* or ReparsePointIndex */,
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ref Byte[] SecurityDescriptor)
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{
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FileName = ConcatPath(FileName);
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System.IO.FileInfo Info = new System.IO.FileInfo(FileName);
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FileAttributes = (UInt32)Info.Attributes;
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if (null != SecurityDescriptor)
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SecurityDescriptor = Info.GetAccessControl().GetSecurityDescriptorBinaryForm();
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return STATUS_SUCCESS;
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}
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public override Int32 Create(
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String FileName,
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UInt32 CreateOptions,
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UInt32 GrantedAccess,
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UInt32 FileAttributes,
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Byte[] SecurityDescriptor,
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UInt64 AllocationSize,
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out Object FileNode,
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out Object FileDesc0,
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out FileInfo FileInfo,
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out String NormalizedName)
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{
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FileDesc FileDesc = null;
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try
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{
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FileName = ConcatPath(FileName);
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if (0 == (CreateOptions & FILE_DIRECTORY_FILE))
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{
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FileSecurity Security = null;
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if (null != SecurityDescriptor)
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{
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Security = new FileSecurity();
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Security.SetSecurityDescriptorBinaryForm(SecurityDescriptor);
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}
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FileDesc = new FileDesc(
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new FileStream(
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FileName,
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FileMode.CreateNew,
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(FileSystemRights)GrantedAccess | FileSystemRights.WriteAttributes,
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FileShare.Read | FileShare.Write | FileShare.Delete,
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4096,
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0,
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Security));
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}
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else
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{
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if (Directory.Exists(FileName))
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ThrowIoExceptionWithNtStatus(STATUS_OBJECT_NAME_COLLISION);
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DirectorySecurity Security = null;
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if (null != SecurityDescriptor)
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{
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Security = new DirectorySecurity();
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Security.SetSecurityDescriptorBinaryForm(SecurityDescriptor);
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}
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FileDesc = new FileDesc(
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Directory.CreateDirectory(FileName, Security));
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}
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FileDesc.SetFileAttributes(FileAttributes);
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FileNode = default(Object);
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FileDesc0 = FileDesc;
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NormalizedName = default(String);
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return FileDesc.GetFileInfo(out FileInfo);
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}
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catch
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{
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if (null != FileDesc && null != FileDesc.Stream)
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FileDesc.Stream.Dispose();
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throw;
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}
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}
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public override Int32 Open(
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String FileName,
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UInt32 CreateOptions,
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UInt32 GrantedAccess,
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out Object FileNode,
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out Object FileDesc0,
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out FileInfo FileInfo,
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out String NormalizedName)
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{
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FileDesc FileDesc = null;
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try
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{
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FileName = ConcatPath(FileName);
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if (!Directory.Exists(FileName))
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{
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FileDesc = new FileDesc(
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new FileStream(
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FileName,
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FileMode.Open,
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(FileSystemRights)GrantedAccess,
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FileShare.Read | FileShare.Write | FileShare.Delete,
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4096,
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0));
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}
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else
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{
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FileDesc = new FileDesc(
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new DirectoryInfo(FileName));
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}
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FileNode = default(Object);
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FileDesc0 = FileDesc;
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NormalizedName = default(String);
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return FileDesc.GetFileInfo(out FileInfo);
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}
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catch
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{
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if (null != FileDesc && null != FileDesc.Stream)
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FileDesc.Stream.Dispose();
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throw;
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}
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}
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public override Int32 Overwrite(
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Object FileNode,
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Object FileDesc0,
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UInt32 FileAttributes,
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Boolean ReplaceFileAttributes,
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UInt64 AllocationSize,
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out FileInfo FileInfo)
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{
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FileDesc FileDesc = (FileDesc)FileDesc0;
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if (ReplaceFileAttributes)
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FileDesc.SetFileAttributes(FileAttributes);
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else if (0 != FileAttributes)
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FileDesc.SetFileAttributes(FileDesc.GetFileAttributes() | FileAttributes);
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FileDesc.Stream.SetLength(0);
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return FileDesc.GetFileInfo(out FileInfo);
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}
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public override void Cleanup(
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Object FileNode,
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Object FileDesc0,
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String FileName,
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UInt32 Flags)
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{
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FileDesc FileDesc = (FileDesc)FileDesc0;
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if (0 != (Flags & CleanupDelete))
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{
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FileDesc.SetDisposition(true);
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if (null != FileDesc.Stream)
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FileDesc.Stream.Dispose();
|
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}
|
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}
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public override void Close(
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Object FileNode,
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Object FileDesc0)
|
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{
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FileDesc FileDesc = (FileDesc)FileDesc0;
|
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if (null != FileDesc.Stream)
|
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FileDesc.Stream.Dispose();
|
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}
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public override Int32 Read(
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Object FileNode,
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Object FileDesc0,
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IntPtr Buffer,
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UInt64 Offset,
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UInt32 Length,
|
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out UInt32 BytesTransferred)
|
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{
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FileDesc FileDesc = (FileDesc)FileDesc0;
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if (Offset >= (UInt64)FileDesc.Stream.Length)
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ThrowIoExceptionWithNtStatus(STATUS_END_OF_FILE);
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Byte[] Bytes = new byte[Length];
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FileDesc.Stream.Seek((Int64)Offset, SeekOrigin.Begin);
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BytesTransferred = (UInt32)FileDesc.Stream.Read(Bytes, 0, Bytes.Length);
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Marshal.Copy(Bytes, 0, Buffer, BytesTransferred);
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return STATUS_SUCCESS;
|
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}
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public override Int32 Write(
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Object FileNode,
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Object FileDesc0,
|
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IntPtr Buffer,
|
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UInt64 Offset,
|
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UInt32 Length,
|
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Boolean WriteToEndOfFile,
|
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Boolean ConstrainedIo,
|
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out UInt32 BytesTransferred,
|
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out FileInfo FileInfo)
|
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{
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FileDesc FileDesc = (FileDesc)FileDesc0;
|
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if (ConstrainedIo)
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{
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if (Offset >= (UInt64)FileDesc.Stream.Length)
|
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{
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BytesTransferred = default(UInt32);
|
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FileInfo = default(FileInfo);
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return STATUS_SUCCESS;
|
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}
|
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if (Offset + Length > (UInt64)FileDesc.Stream.Length)
|
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Length = (UInt32)((UInt64)FileDesc.Stream.Length - Offset);
|
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}
|
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Byte[] Bytes = new byte[Length];
|
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Marshal.Copy(Buffer, Bytes, 0, Bytes.Length);
|
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if (!WriteToEndOfFile)
|
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FileDesc.Stream.Seek((Int64)Offset, SeekOrigin.Begin);
|
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FileDesc.Stream.Write(Bytes, 0, Bytes.Length);
|
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BytesTransferred = (UInt32)Bytes.Length;
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return FileDesc.GetFileInfo(out FileInfo);
|
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}
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public override Int32 Flush(
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Object FileNode,
|
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Object FileDesc0,
|
||||
out FileInfo FileInfo)
|
||||
{
|
||||
FileDesc FileDesc = (FileDesc)FileDesc0;
|
||||
if (null == FileDesc)
|
||||
{
|
||||
/* we do not flush the whole volume, so just return SUCCESS */
|
||||
FileInfo = default(FileInfo);
|
||||
return STATUS_SUCCESS;
|
||||
}
|
||||
FileDesc.Stream.Flush(true);
|
||||
return FileDesc.GetFileInfo(out FileInfo);
|
||||
}
|
||||
public override Int32 GetFileInfo(
|
||||
Object FileNode,
|
||||
Object FileDesc0,
|
||||
out FileInfo FileInfo)
|
||||
{
|
||||
FileDesc FileDesc = (FileDesc)FileDesc0;
|
||||
return FileDesc.GetFileInfo(out FileInfo);
|
||||
}
|
||||
public override Int32 SetBasicInfo(
|
||||
Object FileNode,
|
||||
Object FileDesc0,
|
||||
UInt32 FileAttributes,
|
||||
UInt64 CreationTime,
|
||||
UInt64 LastAccessTime,
|
||||
UInt64 LastWriteTime,
|
||||
UInt64 ChangeTime,
|
||||
out FileInfo FileInfo)
|
||||
{
|
||||
FileDesc FileDesc = (FileDesc)FileDesc0;
|
||||
FileDesc.SetBasicInfo(FileAttributes, CreationTime, LastAccessTime, LastWriteTime);
|
||||
return FileDesc.GetFileInfo(out FileInfo);
|
||||
}
|
||||
public override Int32 SetFileSize(
|
||||
Object FileNode,
|
||||
Object FileDesc0,
|
||||
UInt64 NewSize,
|
||||
Boolean SetAllocationSize,
|
||||
out FileInfo FileInfo)
|
||||
{
|
||||
FileDesc FileDesc = (FileDesc)FileDesc0;
|
||||
if (!SetAllocationSize || (UInt64)FileDesc.Stream.Length > NewSize)
|
||||
{
|
||||
/*
|
||||
* "FileInfo.FileSize > NewSize" explanation:
|
||||
* Ptfs does not support allocation size. However if the new AllocationSize
|
||||
* is less than the current FileSize we must truncate the file.
|
||||
*/
|
||||
FileDesc.Stream.SetLength((Int64)NewSize);
|
||||
}
|
||||
return FileDesc.GetFileInfo(out FileInfo);
|
||||
}
|
||||
public override Int32 CanDelete(
|
||||
Object FileNode,
|
||||
Object FileDesc0,
|
||||
String FileName)
|
||||
{
|
||||
FileDesc FileDesc = (FileDesc)FileDesc0;
|
||||
FileDesc.SetDisposition(false);
|
||||
return STATUS_SUCCESS;
|
||||
}
|
||||
public override Int32 Rename(
|
||||
Object FileNode,
|
||||
Object FileDesc0,
|
||||
String FileName,
|
||||
String NewFileName,
|
||||
Boolean ReplaceIfExists)
|
||||
{
|
||||
FileName = ConcatPath(FileName);
|
||||
NewFileName = ConcatPath(NewFileName);
|
||||
FileDesc.Rename(FileName, NewFileName, ReplaceIfExists);
|
||||
return STATUS_SUCCESS;
|
||||
}
|
||||
public override Int32 GetSecurity(
|
||||
Object FileNode,
|
||||
Object FileDesc0,
|
||||
ref Byte[] SecurityDescriptor)
|
||||
{
|
||||
FileDesc FileDesc = (FileDesc)FileDesc0;
|
||||
SecurityDescriptor = FileDesc.GetSecurityDescriptor();
|
||||
return STATUS_SUCCESS;
|
||||
}
|
||||
public override Int32 SetSecurity(
|
||||
Object FileNode,
|
||||
Object FileDesc0,
|
||||
AccessControlSections Sections,
|
||||
Byte[] SecurityDescriptor)
|
||||
{
|
||||
FileDesc FileDesc = (FileDesc)FileDesc0;
|
||||
FileDesc.SetSecurityDescriptor(Sections, SecurityDescriptor);
|
||||
return STATUS_SUCCESS;
|
||||
}
|
||||
public override Boolean ReadDirectoryEntry(
|
||||
Object FileNode,
|
||||
Object FileDesc0,
|
||||
String Pattern,
|
||||
String Marker,
|
||||
ref Object Context,
|
||||
out String FileName,
|
||||
out FileInfo FileInfo)
|
||||
{
|
||||
FileDesc FileDesc = (FileDesc)FileDesc0;
|
||||
if (null == FileDesc.FileSystemInfos)
|
||||
{
|
||||
IEnumerable Enum = FileDesc.DirInfo.EnumerateFileSystemInfos(
|
||||
null != Pattern ? Pattern : "*");
|
||||
SortedList List = new SortedList();
|
||||
List.Add(".", FileDesc.DirInfo);
|
||||
List.Add("..", FileDesc.DirInfo.Parent);
|
||||
foreach (FileSystemInfo Info in Enum)
|
||||
List.Add(Info.Name, Info);
|
||||
FileDesc.FileSystemInfos = new DictionaryEntry[List.Count];
|
||||
List.CopyTo(FileDesc.FileSystemInfos, 0);
|
||||
}
|
||||
int Index;
|
||||
if (null == Context)
|
||||
{
|
||||
Index = 0;
|
||||
if (null != Marker)
|
||||
{
|
||||
Index = Array.BinarySearch(FileDesc.FileSystemInfos,
|
||||
new DictionaryEntry(Marker, null),
|
||||
_DirectoryEntryComparer);
|
||||
if (0 <= Index)
|
||||
Index++;
|
||||
else
|
||||
Index = ~Index;
|
||||
}
|
||||
}
|
||||
else
|
||||
Index = (int)Context;
|
||||
if (FileDesc.FileSystemInfos.Length > Index)
|
||||
{
|
||||
Context = Index + 1;
|
||||
FileName = (String)FileDesc.FileSystemInfos[Index].Key;
|
||||
FileDesc.GetFileInfoFromFileSystemInfo(
|
||||
(FileSystemInfo)FileDesc.FileSystemInfos[Index].Value,
|
||||
out FileInfo);
|
||||
return true;
|
||||
}
|
||||
else
|
||||
{
|
||||
FileName = default(String);
|
||||
FileInfo = default(FileInfo);
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
private String _Path;
|
||||
}
|
||||
#endif
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user