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#Region "Microsoft.VisualBasic::be3eecb4606c697613eff4ec551101a2, Microsoft.VisualBasic.Core\CommandLine\CLITools.vb"
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#End Region
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Imports System.IO
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Imports System.Runtime.CompilerServices
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Imports System.Text
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Imports System.Text.RegularExpressions
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Imports Microsoft.VisualBasic.ApplicationServices.Terminal
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Imports Microsoft.VisualBasic.CommandLine.Reflection
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Imports Microsoft.VisualBasic.ComponentModel.DataSourceModel
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Imports Microsoft.VisualBasic.Language
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Imports Microsoft.VisualBasic.Linq
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Imports Microsoft.VisualBasic.Scripting.MetaData
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Imports Microsoft.VisualBasic.Text
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Imports StringList = System.Collections.Generic.IEnumerable(Of String)
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Imports ValueTuple = System.Collections.Generic.KeyValuePair(Of String, String)
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Namespace CommandLine
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<Package("CommandLine",
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Url:="http://gcmodeller.org",
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Publisher:="xie.guigang@gcmodeller.org",
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Description:="",
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Revision:=52)>
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Public Module CLITools
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<Extension>
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Public Function ShellExec(cli As IIORedirectAbstract) As String
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Call cli.Run()
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Return cli.StandardOutput
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End Function
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<Extension>
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Public Function Print(args As CommandLine, Optional sep As Char = " "c, Optional leftMargin% = 0) As String
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Dim sb As New StringBuilder("ArgumentsOf: `" & args.Name & "`")
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Dim device As New StringWriter(sb)
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Call device.WriteLine()
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Call device.WriteLine(New String("-"c, args.Name.Length * 4))
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Call device.WriteLine()
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Call args _
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.ToArgumentVector _
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.Print(
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device,
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sep,
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trilinearTable:=True,
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leftMargin:=leftMargin)
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Return sb.ToString
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End Function
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<Extension> Public Function CreateParameterValues(tokens$(), IncludeLogicSW As Boolean, Optional note$ = Nothing) As List(Of NamedValue(Of String))
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Dim list As New List(Of NamedValue(Of String))
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If tokens.IsNullOrEmpty Then
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Return list
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ElseIf tokens.Length = 1 Then
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If IsPossibleLogicFlag(tokens(Scan0)) AndAlso
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IncludeLogicSW Then
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list += New NamedValue(Of String) With {
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.Name = tokens(Scan0),
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.Value = CStr(True),
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.Description = note
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}
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Else
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Return list
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End If
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End If
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For i As Integer = 0 To tokens.Length - 1
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Dim [next] As Integer = i + 1
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If [next] = tokens.Length Then
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If IsPossibleLogicFlag(tokens(i)) AndAlso IncludeLogicSW Then
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list += New NamedValue(Of String)(tokens(i), True, note)
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End If
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Exit For
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End If
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Dim s As String = tokens([next])
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If IsPossibleLogicFlag(s) Then
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If IncludeLogicSW Then
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list += New NamedValue(Of String)(tokens(i), True, note)
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End If
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Continue For
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Else
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Dim key As String = tokens(i).ToLower
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list += New NamedValue(Of String)(key, s, note)
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i += 1
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End If
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Next
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Return list
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End Function
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<Extension> Public Function GetLogicalFlags(args As IEnumerable(Of String), ByRef SingleValue$) As String()
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Dim tokens$() = args.SafeQuery.ToArray
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If tokens.IsNullOrEmpty Then
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Return New String() {}
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ElseIf tokens.Length = 1 Then
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Return {tokens(0).ToLower}
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End If
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Dim tkList As New List(Of String)
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For i As Integer = 0 To tokens.Length - 1
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Dim next% = i + 1
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If [next] = tokens.Length Then
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If IsPossibleLogicFlag(obj:=tokens(i)) Then
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tkList += tokens(i)
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Exit For
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End If
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Dim s As String = tokens([next])
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If IsPossibleLogicFlag(obj:=s) Then
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If IsPossibleLogicFlag(obj:=tokens(i)) Then
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tkList += tokens(i)
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Else
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If i = 0 Then
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SingleValue = tokens(i)
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End If
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End If
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Else
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i += 1
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End If
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Next
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Return (From s As String In tkList Select s.ToLower).ToArray
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End Function
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<ExportAPI("TryParse", Info:="Try parsing the cli command String from the String value.")>
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<Extension>
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Public Function TryParse(args As StringList,
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Optional duplicatedAllows As Boolean = False,
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Optional rawInput$ = Nothing) As CommandLine
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Dim tokens$() = args.SafeQuery.ToArray
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Dim singleValue$ = ""
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If tokens.Length = 0 Then
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Return New CommandLine
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End If
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Dim bools$() = tokens _
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.Skip(1) _
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.GetLogicalFlags(singleValue)
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Dim cli As New CommandLine With {
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.Name = tokens(Scan0).ToLower,
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.Tokens = tokens,
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.BoolFlags = bools,
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.cliCommandArgvs = Join(tokens)
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}
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cli.SingleValue = singleValue
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cli.cliCommandArgvs = rawInput
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If cli.Parameters.Length = 1 AndAlso
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String.IsNullOrEmpty(cli.SingleValue) Then
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cli.SingleValue = cli.Parameters(0)
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End If
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If tokens.Length > 1 Then
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cli.__arguments = tokens.Skip(1).ToArray.CreateParameterValues(False)
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Dim Dk As String() = __checkKeyDuplicated(cli.__arguments)
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If Not duplicatedAllows AndAlso Not Dk.IsNullOrEmpty Then
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Dim Key$ = String.Join(", ", Dk)
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Dim msg$ = String.Format(KeyDuplicated, Key, String.Join(" ", tokens.Skip(1).ToArray))
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Throw New Exception(msg)
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End If
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End If
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Return cli
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End Function
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Const KeyDuplicated As String = "The command line switch key ""{0}"" Is already been added! Here Is your input data: CMD {1}."
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Private Function __checkKeyDuplicated(source As IEnumerable(Of NamedValue(Of String))) As String()
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Dim LQuery = (From param As NamedValue(Of String)
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In source
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Select param.Name.ToLower
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Group By ToLower Into Group).ToArray
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Return LinqAPI.Exec(Of String) _
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_
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() <= From group
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In LQuery
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Where group.Group.Count > 1
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Select group.ToLower
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End Function
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<ExportAPI("args", Info:="Gets the commandline object for the current program.")>
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<MethodImpl(MethodImplOptions.AggressiveInlining)>
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Public Function Args() As CommandLine
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Return App.CommandLine
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End Function
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<ExportAPI("TryParse", Info:="Try parsing the cli command String from the String value.")>
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Public Function TryParse(<Parameter("CLI", "The CLI arguments that inputs from the console by user.")> CLI$,
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<Parameter("Duplicates.Allowed")> Optional duplicateAllowed As Boolean = False) As CommandLine
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If String.IsNullOrEmpty(CLI) Then
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Return New CommandLine
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Else
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#Const DEBUG = False
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#If DEBUG Then
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Call CLI.__DEBUG_ECHO
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#End If
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End If
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Dim args As CommandLine = CLITools _
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.GetTokens(CLI) _
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.TryParse(duplicateAllowed, rawInput:=CLI)
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Return args
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End Function
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Is this string tokens is a possible <see cref="Boolean"/> value flag
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<param name="obj"></param>
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<ExportAPI("IsPossibleBoolFlag?")>
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Public Function IsPossibleLogicFlag(obj As String) As Boolean
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If obj.Contains(" ") Then
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Return False
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End If
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If IsNumeric(obj) Then
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Return False
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End If
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If obj.Count("/"c) > 1 Then
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Return False
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End If
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Return obj.StartsWith("-") OrElse
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obj.StartsWith("/")
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End Function
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ReGenerate the cli command line argument string text.(重新生成命令行字符串)
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<param name="tokens">If the token value have a space character, then this function will be wrap that token with quot character automatically.</param>
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<ExportAPI("Join",
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Info:="ReGenerate the cli command line argument string text.
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NOTE: If the token have a space character, then this function will be wrap that token with quot character automatically.")>
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Public Function Join(tokens As IEnumerable(Of String)) As String
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If tokens Is Nothing Then
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Return ""
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Else
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Return tokens _
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.Select(AddressOf makesureQuot) _
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.JoinBy(" ")
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End If
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End Function
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Private Function makesureQuot(token As String) As String
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If InStr(token, " ") > 0 Then
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If token.First = """"c AndAlso token.Last = """"c Then
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Return token
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Else
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Return $"""{token}"""
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End If
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Else
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Return token
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End If
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End Function
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A regex expression string that use for split the commandline text.
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(用于分析命令行字符串的正则表达式)
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Public Const SPLIT_REGX_EXPRESSION As String = "\s+(?=(?:[^""]|""[^""]*"")*$)"
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Try parse the argument tokens which comes from the user input commandline string.
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(尝试从用户输入的命令行字符串之中解析出所有的参数)
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<param name="CLI"></param>
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<ExportAPI("Tokens")>
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Public Function GetTokens(CLI As String) As String()
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If String.IsNullOrEmpty(CLI) Then
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Return New String() {""}
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Else
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CLI = CLI.Trim
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End If
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' Return New String() {""}
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Dim tokens$() = Regex.Split(CLI, SPLIT_REGX_EXPRESSION)
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Dim argv As New List(Of String)
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tokens = tokens _
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.TakeWhile(Function(Token)
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Return Not String.IsNullOrEmpty(Token.Trim)
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End Function) _
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.ToArray
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For i As Integer = 0 To tokens.Length - 1
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Dim s As String = tokens(i)
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If s.First = ASCII.Quot AndAlso s.Last = ASCII.Quot Then
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s = Mid(s, 2, Len(s) - 2)
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End If
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If s.Contains("="c) AndAlso Not s.IsURLPattern Then
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If i > 0 AndAlso tokens(i - 1).TextEquals("/@set") Then
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argv += s
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Else
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Call s.tupleParser(argv)
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End If
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Else
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argv += s
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End If
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Next
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Return argv
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End Function
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只取第一个=符号出现的位置,结果会被添加进入<paramref name="argv"/>列表之中
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<param name="s$"></param>
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<param name="argv"></param>
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<Extension>
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Private Sub tupleParser(s$, ByRef argv As List(Of String))
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Dim splitIndex% = -1
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For j As Integer = 0 To s.Length - 1
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Dim c = s(j)
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If c = "="c AndAlso splitIndex = -1 Then
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If j > 1 AndAlso s(j - 1) <> "\"c Then
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splitIndex = j
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Exit For
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Else
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splitIndex = -1
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End If
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End If
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Next
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If splitIndex > -1 Then
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Dim name$ = s.Substring(0, splitIndex)
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Dim value = s.Substring(splitIndex + 1)
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argv += name
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argv += value
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Else
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argv += s
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End If
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End Sub
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会对%进行替换的
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Const TokenSplitRegex As String = "(?=(?:[^%]|%[^%]*%)*$)"
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尝试从输入的语句之中解析出词法单元,注意,这个函数不是处理从操作系统所传递进入的命令行语句
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<param name="CommandLine"></param>
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<ExportAPI("TryParse")>
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Public Function TryParse(CommandLine As String, TokenDelimited As String, InnerDelimited As Char) As String()
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| 496 |
If String.IsNullOrEmpty(CommandLine) Then
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Return New String() {""}
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End If
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Dim regxPattern$ = TokenDelimited & TokenSplitRegex.Replace("%"c, InnerDelimited)
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Dim tokens = Regex.Split(CommandLine, regxPattern)
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For i As Integer = 0 To tokens.Length - 1
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Dim s As String = tokens(i)
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| 505 |
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If s.First = InnerDelimited AndAlso s.Last = InnerDelimited Then
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tokens(i) = Mid(s, 2, Len(s) - 2)
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End If
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Next
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Return tokens
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End Function
|
| 513 |
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| 514 |
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Creates command line object from a set obj <see cref="KeyValuePair(Of String, String)"/>
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| 516 |
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<param name="name"></param>
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<param name="args"></param>
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| 519 |
<param name="bFlags"></param>
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| 520 |
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<ExportAPI("CreateObject")>
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Public Function CreateObject(name$, args As IEnumerable(Of ValueTuple), Optional bFlags As IEnumerable(Of String) = Nothing) As CommandLine
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Dim parameters As New List(Of NamedValue(Of String))
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| 524 |
Dim tokens As New List(Of String) From {name}
|
| 525 |
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| 526 |
For Each tuple As ValueTuple In args
|
| 527 |
Dim key As String = tuple.Key.ToLower
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| 528 |
Dim param As New NamedValue(Of String)(key, tuple.Value)
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Call parameters.Add(param)
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Call tokens.AddRange(New String() {key, tuple.Value})
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Next
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| 534 |
Return New CommandLine With {
|
| 535 |
.Name = name,
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| 536 |
.__arguments = parameters,
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| 537 |
.Tokens = tokens.Join(bFlags).ToArray,
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| 538 |
.BoolFlags = bFlags.SafeQuery.ToArray
|
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}
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| 540 |
End Function
|
| 541 |
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| 542 |
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| 543 |
Trim the CLI argument name its prefix symbols.
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(修剪命令行参数名称的前置符号)
|
| 545 |
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| 546 |
<param name="argName"></param>
|
| 547 |
|
| 548 |
<ExportAPI("Trim.Prefix.BoolFlag")>
|
| 549 |
<Extension>
|
| 550 |
Public Function TrimParamPrefix(argName$) As String
|
| 551 |
If argName.StartsWith("--") Then
|
| 552 |
Return Mid(argName, 3)
|
| 553 |
ElseIf argName.StartsWith("-") OrElse argName.StartsWith("\") OrElse argName.StartsWith("/") Then
|
| 554 |
Return Mid(argName, 2)
|
| 555 |
Else
|
| 556 |
Return argName
|
| 557 |
End If
|
| 558 |
End Function
|
| 559 |
|
| 560 |
|
| 561 |
请注意,这个是有方向性的,由于是依照参数1来进行比较的,假若args2里面的参数要多于第一个参数,但是第一个参数里面的所有参数值都可以被参数2完全比对得上的话,就认为二者是相等的
|
| 562 |
|
| 563 |
<param name="args1"></param>
|
| 564 |
<param name="args2"></param>
|
| 565 |
|
| 566 |
|
| 567 |
<ExportAPI("CLI.Equals")>
|
| 568 |
Public Function Equals(args1 As CommandLine, args2 As CommandLine) As Boolean
|
| 569 |
If Not String.Equals(args1.Name, args2.Name, StringComparison.OrdinalIgnoreCase) Then
|
| 570 |
Return False
|
| 571 |
End If
|
| 572 |
|
| 573 |
For Each bFlag As String In args1.BoolFlags
|
| 574 |
If Not args2.GetBoolean(bFlag) Then
|
| 575 |
Return False
|
| 576 |
End If
|
| 577 |
Next
|
| 578 |
|
| 579 |
For Each arg As NamedValue(Of String) In args1.__arguments
|
| 580 |
Dim value2 As String = args2(arg.Name)
|
| 581 |
|
| 582 |
If Not String.Equals(value2, arg.Value, StringComparison.OrdinalIgnoreCase) Then
|
| 583 |
Return False
|
| 584 |
End If
|
| 585 |
Next
|
| 586 |
|
| 587 |
Return True
|
| 588 |
End Function
|
| 589 |
|
| 590 |
<Extension>
|
| 591 |
Public Function SingleValueOrStdIn(args As CommandLine) As String
|
| 592 |
If Not String.IsNullOrEmpty(args.SingleValue) Then
|
| 593 |
Return args.SingleValue
|
| 594 |
Else
|
| 595 |
Dim reader As New StreamReader(Console.OpenStandardInput)
|
| 596 |
Return reader.ReadToEnd
|
| 597 |
End If
|
| 598 |
End Function
|
| 599 |
End Module
|
| 600 |
End Namespace
|