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85 lines
2.9 KiB
85 lines
2.9 KiB
Imports System.Text.RegularExpressions
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Imports Microsoft.VisualBasic.Net
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Namespace FileSystem.Protocols
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''' <summary>
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''' Represents a local file or remote file its location on the network.
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''' (表示一个本地文件或者网络上面的文件的位置)
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''' </summary>
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Public Class FileURI
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''' <summary>
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''' The services portal of this remote filesystem object.
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''' (远程文件服务对象的服务接口)
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''' </summary>
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''' <returns></returns>
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Public Property EntryPoint As IPEndPoint
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''' <summary>
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''' The reference location of this file system object on the target machine.
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''' (目标机器(<see cref="EntryPoint"/>)上面的文件系统的引用的位置)
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''' </summary>
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''' <returns></returns>
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Public Property File As String
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''' <summary>
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''' Is this file system object is a local file?.(是否为本地文件)
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''' </summary>
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''' <returns></returns>
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Public ReadOnly Property IsLocal As Boolean
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Get
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Return EntryPoint Is Nothing
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End Get
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End Property
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Sub New(uri As String)
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Dim addr As String = Regex.Match(uri, "^\d+@\d+(\.\d+){3}[:]\/\/").Value
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If String.IsNullOrEmpty(addr) Then '本地文件
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File = uri
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EntryPoint = Nothing
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Else ' 远程文件
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File = uri.Replace(addr, "")
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Dim Tokens As String() = addr.Split(":"c).First.Split("@"c)
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EntryPoint = New IPEndPoint(Tokens(1), Scripting.CTypeDynamic(Of Integer)(Tokens(Scan0)))
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End If
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End Sub
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Sub New(path As String, portal As IPEndPoint)
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File = path
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EntryPoint = portal
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End Sub
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Sub New()
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End Sub
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''' <summary>
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''' {port}@{ipaddress}://C:\xxx\xxx.file
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''' </summary>
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''' <returns></returns>
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Public Overrides Function ToString() As String
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If EntryPoint Is Nothing Then
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Return File
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Else
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Return $"{EntryPoint.Port}@{EntryPoint.IPAddress}://{File}"
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End If
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End Function
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''' <summary>
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''' port@remote_IP://hash+<path>
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''' </summary>
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''' <param name="uri"></param>
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''' <param name="remote"></param>
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''' <param name="handle"></param>
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Public Shared Sub FileStreamParser(uri As String, ByRef remote As IPEndPoint, ByRef handle As FileHandle)
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Dim file As New FileURI(uri)
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remote = file.EntryPoint
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uri = file.File
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Dim hash As String = Regex.Match(uri, "^\d+\+").Value
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uri = Mid(uri, hash.Length + 1)
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handle = New FileHandle With {
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.FileName = uri,
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.HashCode = Scripting.CTypeDynamic(Of Integer)(hash)
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}
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End Sub
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End Class
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End Namespace |