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#Region "Microsoft.VisualBasic::adf7853a0f400413d214147ba630e932, Microsoft.VisualBasic.Core\Text\Xml\Xmlns.vb"
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#End Region
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Imports System.Text
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Imports System.Text.RegularExpressions
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Imports Microsoft.VisualBasic.ComponentModel.Collection
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Imports Microsoft.VisualBasic.ComponentModel.DataSourceModel
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Imports Microsoft.VisualBasic.Linq
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Imports Microsoft.VisualBasic.Serialization.JSON
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Namespace Text.Xml
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Public Class Xmlns
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Public Const DefaultXmlns As String = "xmlns:xsd=""http://www.w3.org/2001/XMLSchema"" xmlns:xsi=""http://www.w3.org/2001/XMLSchema-instance"""
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Public Property xmlns As String
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Public Property [namespace] As Dictionary(Of NamedValue(Of String))
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Public Property xsd As String
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Get
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Return Me(xmlns_xsd)
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End Get
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Set(value As String)
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[namespace](xmlns_xsd) = New NamedValue(Of String)(xmlns_xsd, value)
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End Set
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End Property
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Public Property xsi As String
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Get
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Return Me(xmlns_xsi)
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End Get
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Set(value As String)
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[namespace](xmlns_xsi) = New NamedValue(Of String)(xmlns_xsi, value)
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End Set
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End Property
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Default Public ReadOnly Property ns(name As String) As String
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Get
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If [namespace].ContainsKey(name) Then
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Return [namespace](name).Value
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Else
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Return ""
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End If
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End Get
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End Property
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Const xmlnsRegex As String = "\sxmlns:\S+="".+?"""
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Const xmlns_xsd As String = "xmlns:xsd"
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Const xmlns_xsi As String = "xmlns:xsi"
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Sub New(root As String)
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Dim s As String
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[namespace] = New Dictionary(Of NamedValue(Of String))
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s = Regex.Match(root, "xmlns="".+?""", RegexICSng).Value
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xmlns = s.GetStackValue("""", """")
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Dim nsList As String() =
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Regex.Matches(root, xmlnsRegex, RegexICSng) _
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.ToArray(AddressOf Trim)
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For Each ns As String In nsList
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[namespace] += ns.GetTagValue("=") _
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.FixValue(Function(x) x.GetStackValue("""", """"))
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Next
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End Sub
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Public Sub [Set](ns As String, value As String)
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ns = $"xmlns:{ns}"
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[namespace](ns) = New NamedValue(Of String)(ns, value)
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End Sub
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Public Sub Clear(ns$)
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Call [Set](ns, "")
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End Sub
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Public Shared Function RootParser(root As String) As NamedValue(Of Xmlns)
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Dim ns As New Xmlns(root)
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Dim name As String = root.Split.First
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name = Mid(name, 2)
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Return New NamedValue(Of Xmlns)(name, ns)
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End Function
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Public Overrides Function ToString() As String
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Return Me.GetJson
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End Function
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<param name="xml"></param>
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<remarks>当前的这个对象是新值,需要替换掉文档里面的旧值</remarks>
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Public Sub WriteNamespace(xml As StringBuilder, Optional usingDefault_xmlns As Boolean = False)
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Dim rs As String = XmlDoc.__rootString(xml.ToString)
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Dim root As Xmlns = New Xmlns(rs)
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Dim ns As New StringBuilder(rs)
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For Each nsValue As NamedValue(Of String) In [namespace].Values.SafeQuery
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Dim rootNs As String = root(nsValue.Name)
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If Not String.IsNullOrEmpty(rootNs) Then
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Dim s As String =
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If(String.IsNullOrEmpty(nsValue.Value),
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"",
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$"{nsValue.Name}=""{nsValue.Value}""")
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Call ns.Replace($"{nsValue.Name}=""{rootNs}""", s)
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Else
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If Not String.IsNullOrEmpty(nsValue.Value) Then
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Call __replace(ns, $"{nsValue.Name}=""{nsValue.Value}""")
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End If
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End If
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Next
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If Not String.IsNullOrEmpty(root.xmlns) Then
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Call ns.Replace($"xmlns=""{root.xmlns}""", "")
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End If
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If Not String.IsNullOrEmpty(xmlns) Then
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Call __replace(ns, $"xmlns=""{xmlns}""")
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End If
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If usingDefault_xmlns Then
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Call __replace(ns, DefaultXmlns)
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End If
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Call xml.Replace(rs, ns.ToString)
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End Sub
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Private Shared Sub __replace(ByRef sb As StringBuilder, value$)
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Dim s$ = sb.ToString.TrimEnd(">"c).Trim
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s &= " " & value & ">"
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sb = New StringBuilder(s)
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End Sub
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End Class
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End Namespace
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