在Excel VBA中解析JSON

Bas*_*tan 67 excel parsing vba json object

我有与Excel VBA相同的问题:Parsed JSON Object Loop但无法找到任何解决方案.我的JSON有嵌套对象所以像VBJSON和vba-json这样的建议解决方案对我不起作用.我还修复了其中一个正常工作,但结果是一个调用堆栈溢出,因为doProcess函数的许多递归.

最好的解决方案似乎是原始帖子中看到的jsonDecode函数.它非常快速且高效; 我的对象结构是JScriptTypeInfo类型的通用VBA对象.

此时的问题是我无法确定对象的结构是什么,因此,我事先并不知道将存在于每个通用对象中的键.我需要遍历通用VBA对象来获取键/属性.

如果我的解析javascript函数可以触发VBA函数或sub,那将是非常好的.

Cod*_*odo 43

如果您想构建在上面ScriptControl,可以添加一些帮助方法来获取所需的信息.该JScriptTypeInfo对象有点不幸:它包含所有相关信息(正如您在Watch窗口中看到的那样),但似乎无法通过VBA获取它.但是,Javascript引擎可以帮助我们:

Option Explicit

Private ScriptEngine As ScriptControl

Public Sub InitScriptEngine()
    Set ScriptEngine = New ScriptControl
    ScriptEngine.Language = "JScript"
    ScriptEngine.AddCode "function getProperty(jsonObj, propertyName) { return jsonObj[propertyName]; } "
    ScriptEngine.AddCode "function getKeys(jsonObj) { var keys = new Array(); for (var i in jsonObj) { keys.push(i); } return keys; } "
End Sub

Public Function DecodeJsonString(ByVal JsonString As String)
    Set DecodeJsonString = ScriptEngine.Eval("(" + JsonString + ")")
End Function

Public Function GetProperty(ByVal JsonObject As Object, ByVal propertyName As String) As Variant
    GetProperty = ScriptEngine.Run("getProperty", JsonObject, propertyName)
End Function

Public Function GetObjectProperty(ByVal JsonObject As Object, ByVal propertyName As String) As Object
    Set GetObjectProperty = ScriptEngine.Run("getProperty", JsonObject, propertyName)
End Function

Public Function GetKeys(ByVal JsonObject As Object) As String()
    Dim Length As Integer
    Dim KeysArray() As String
    Dim KeysObject As Object
    Dim Index As Integer
    Dim Key As Variant

    Set KeysObject = ScriptEngine.Run("getKeys", JsonObject)
    Length = GetProperty(KeysObject, "length")
    ReDim KeysArray(Length - 1)
    Index = 0
    For Each Key In KeysObject
        KeysArray(Index) = Key
        Index = Index + 1
    Next
    GetKeys = KeysArray
End Function


Public Sub TestJsonAccess()
    Dim JsonString As String
    Dim JsonObject As Object
    Dim Keys() As String
    Dim Value As Variant
    Dim j As Variant

    InitScriptEngine

    JsonString = "{""key1"": ""val1"", ""key2"": { ""key3"": ""val3"" } }"
    Set JsonObject = DecodeJsonString(CStr(JsonString))
    Keys = GetKeys(JsonObject)

    Value = GetProperty(JsonObject, "key1")
    Set Value = GetObjectProperty(JsonObject, "key2")
End Sub
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几点说明:

  • 如果JScriptTypeInfo实例引用了Javascript对象,For Each ... Next则无法正常工作.但是,如果引用Javascript数组(参见GetKeys函数),它确实有效.
  • 名称仅在运行时已知的访问属性,使用函数GetPropertyGetObjectProperty.
  • JavaScript的阵列提供性能length,0,Item 0,1,Item 1等有了VBA点符号(jsonObject.property),只有length属性访问,则只有声明一个变量叫length所有的小写字母.否则情况不匹配,它将找不到它.其他属性在VBA中无效.所以最好使用这个GetProperty功能.
  • 该代码使用早期绑定.因此,您必须添加对"Microsoft Script Control 1.0"的引用.
  • InitScriptEngine在使用其他函数进行一些基本初始化之前,必须先调用一次.

  • 我通过使用以下内容删除类型并初始化来获得**VBScript**的解决方案:`set se = CreateObject("MSScriptControl.ScriptControl")`.+1谢谢! (2认同)

ome*_*pes 14

这是另一种在VBA中解析JSON的方法,基于ScriptControlActiveX,没有外部库:

Option Explicit

Sub JsonTest()
    Dim strJsonString As String
    Dim varJson As Variant
    Dim strState As String
    Dim varItem As Variant

    ' parse JSON string to object
    ' root element can be the object {} or the array []
    strJsonString = "{""a"":[{}, 0, ""value"", [{""stuff"":""content""}]], b:null}"
    ParseJson strJsonString, varJson, strState

    ' checking the structure step by step
    Select Case False ' if any of the checks is False, the sequence is interrupted
        Case IsObject(varJson) ' if root JSON element is object {},
        Case varJson.Exists("a") ' having property a,
        Case IsArray(varJson("a")) ' which is array,
        Case UBound(varJson("a")) >= 3 ' having not less than 4 elements,
        Case IsArray(varJson("a")(3)) ' where forth element is array,
        Case UBound(varJson("a")(3)) = 0 ' having the only element,
        Case IsObject(varJson("a")(3)(0)) ' which is object,
        Case varJson("a")(3)(0).Exists("stuff") ' having property stuff,
        Case Else
            MsgBox "Check the structure step by step" & vbCrLf & varJson("a")(3)(0)("stuff") ' then show the value of the last one property.
    End Select

    ' direct access to the property if sure of structure
    MsgBox "Direct access to the property" & vbCrLf & varJson.Item("a")(3)(0).Item("stuff") ' content

    ' traversing each element in array
    For Each varItem In varJson("a")
        ' show the structure of the element
        MsgBox "The structure of the element:" & vbCrLf & BeautifyJson(varItem)
    Next

    ' show the full structure starting from root element
    MsgBox "The full structure starting from root element:" & vbCrLf & BeautifyJson(varJson)

End Sub

Sub BeautifyTest()
    ' put sourse JSON string to "desktop\source.json" file
    ' processed JSON will be saved to "desktop\result.json" file
    Dim strDesktop As String
    Dim strJsonString As String
    Dim varJson As Variant
    Dim strState As String
    Dim strResult As String
    Dim lngIndent As Long

    strDesktop = CreateObject("WScript.Shell").SpecialFolders.Item("Desktop")
    strJsonString = ReadTextFile(strDesktop & "\source.json", -2)
    ParseJson strJsonString, varJson, strState
    If strState <> "Error" Then
        strResult = BeautifyJson(varJson)
        WriteTextFile strResult, strDesktop & "\result.json", -1
    End If
    CreateObject("WScript.Shell").PopUp strState, 1, , 64
End Sub

Sub ParseJson(ByVal strContent As String, varJson As Variant, strState As String)
    ' strContent - source JSON string
    ' varJson - created object or array to be returned as result
    ' strState - Object|Array|Error depending on processing to be returned as state
    Dim objTokens As Object
    Dim objRegEx As Object
    Dim bMatched As Boolean

    Set objTokens = CreateObject("Scripting.Dictionary")
    Set objRegEx = CreateObject("VBScript.RegExp")
    With objRegEx
        ' specification http://www.json.org/
        .Global = True
        .MultiLine = True
        .IgnoreCase = True
        .Pattern = """(?:\\""|[^""])*""(?=\s*(?:,|\:|\]|\}))"
        Tokenize objTokens, objRegEx, strContent, bMatched, "str"
        .Pattern = "(?:[+-])?(?:\d+\.\d*|\.\d+|\d+)e(?:[+-])?\d+(?=\s*(?:,|\]|\}))"
        Tokenize objTokens, objRegEx, strContent, bMatched, "num"
        .Pattern = "(?:[+-])?(?:\d+\.\d*|\.\d+|\d+)(?=\s*(?:,|\]|\}))"
        Tokenize objTokens, objRegEx, strContent, bMatched, "num"
        .Pattern = "\b(?:true|false|null)(?=\s*(?:,|\]|\}))"
        Tokenize objTokens, objRegEx, strContent, bMatched, "cst"
        .Pattern = "\b[A-Za-z_]\w*(?=\s*\:)" ' unspecified name without quotes
        Tokenize objTokens, objRegEx, strContent, bMatched, "nam"
        .Pattern = "\s"
        strContent = .Replace(strContent, "")
        .MultiLine = False
        Do
            bMatched = False
            .Pattern = "<\d+(?:str|nam)>\:<\d+(?:str|num|obj|arr|cst)>"
            Tokenize objTokens, objRegEx, strContent, bMatched, "prp"
            .Pattern = "\{(?:<\d+prp>(?:,<\d+prp>)*)?\}"
            Tokenize objTokens, objRegEx, strContent, bMatched, "obj"
            .Pattern = "\[(?:<\d+(?:str|num|obj|arr|cst)>(?:,<\d+(?:str|num|obj|arr|cst)>)*)?\]"
            Tokenize objTokens, objRegEx, strContent, bMatched, "arr"
        Loop While bMatched
        .Pattern = "^<\d+(?:obj|arr)>$" ' unspecified top level array
        If Not (.Test(strContent) And objTokens.Exists(strContent)) Then
            varJson = Null
            strState = "Error"
        Else
            Retrieve objTokens, objRegEx, strContent, varJson
            strState = IIf(IsObject(varJson), "Object", "Array")
        End If
    End With
End Sub

Sub Tokenize(objTokens, objRegEx, strContent, bMatched, strType)
    Dim strKey As String
    Dim strRes As String
    Dim lngCopyIndex As Long
    Dim objMatch As Object

    strRes = ""
    lngCopyIndex = 1
    With objRegEx
        For Each objMatch In .Execute(strContent)
            strKey = "<" & objTokens.Count & strType & ">"
            bMatched = True
            With objMatch
                objTokens(strKey) = .Value
                strRes = strRes & Mid(strContent, lngCopyIndex, .FirstIndex - lngCopyIndex + 1) & strKey
                lngCopyIndex = .FirstIndex + .Length + 1
            End With
        Next
        strContent = strRes & Mid(strContent, lngCopyIndex, Len(strContent) - lngCopyIndex + 1)
    End With
End Sub

Sub Retrieve(objTokens, objRegEx, strTokenKey, varTransfer)
    Dim strContent As String
    Dim strType As String
    Dim objMatches As Object
    Dim objMatch As Object
    Dim strName As String
    Dim varValue As Variant
    Dim objArrayElts As Object

    strType = Left(Right(strTokenKey, 4), 3)
    strContent = objTokens(strTokenKey)
    With objRegEx
        .Global = True
        Select Case strType
            Case "obj"
                .Pattern = "<\d+\w{3}>"
                Set objMatches = .Execute(strContent)
                Set varTransfer = CreateObject("Scripting.Dictionary")
                For Each objMatch In objMatches
                    Retrieve objTokens, objRegEx, objMatch.Value, varTransfer
                Next
            Case "prp"
                .Pattern = "<\d+\w{3}>"
                Set objMatches = .Execute(strContent)

                Retrieve objTokens, objRegEx, objMatches(0).Value, strName
                Retrieve objTokens, objRegEx, objMatches(1).Value, varValue
                If IsObject(varValue) Then
                    Set varTransfer(strName) = varValue
                Else
                    varTransfer(strName) = varValue
                End If
            Case "arr"
                .Pattern = "<\d+\w{3}>"
                Set objMatches = .Execute(strContent)
                Set objArrayElts = CreateObject("Scripting.Dictionary")
                For Each objMatch In objMatches
                    Retrieve objTokens, objRegEx, objMatch.Value, varValue
                    If IsObject(varValue) Then
                        Set objArrayElts(objArrayElts.Count) = varValue
                    Else
                        objArrayElts(objArrayElts.Count) = varValue
                    End If
                    varTransfer = objArrayElts.Items
                Next
            Case "nam"
                varTransfer = strContent
            Case "str"
                varTransfer = Mid(strContent, 2, Len(strContent) - 2)
                varTransfer = Replace(varTransfer, "\""", """")
                varTransfer = Replace(varTransfer, "\\", "\")
                varTransfer = Replace(varTransfer, "\/", "/")
                varTransfer = Replace(varTransfer, "\b", Chr(8))
                varTransfer = Replace(varTransfer, "\f", Chr(12))
                varTransfer = Replace(varTransfer, "\n", vbLf)
                varTransfer = Replace(varTransfer, "\r", vbCr)
                varTransfer = Replace(varTransfer, "\t", vbTab)
                .Global = False
                .Pattern = "\\u[0-9a-fA-F]{4}"
                Do While .Test(varTransfer)
                    varTransfer = .Replace(varTransfer, ChrW(("&H" & Right(.Execute(varTransfer)(0).Value, 4)) * 1))
                Loop
            Case "num"
                varTransfer = Evaluate(strContent)
            Case "cst"
                Select Case LCase(strContent)
                    Case "true"
                        varTransfer = True
                    Case "false"
                        varTransfer = False
                    Case "null"
                        varTransfer = Null
                End Select
        End Select
    End With
End Sub

Function BeautifyJson(varJson As Variant) As String
    Dim strResult As String
    Dim lngIndent As Long
    BeautifyJson = ""
    lngIndent = 0
    BeautyTraverse BeautifyJson, lngIndent, varJson, vbTab, 1
End Function

Sub BeautyTraverse(strResult As String, lngIndent As Long, varElement As Variant, strIndent As String, lngStep As Long)
    Dim arrKeys() As Variant
    Dim lngIndex As Long
    Dim strTemp As String

    Select Case VarType(varElement)
        Case vbObject
            If varElement.Count = 0 Then
                strResult = strResult & "{}"
            Else
                strResult = strResult & "{" & vbCrLf
                lngIndent = lngIndent + lngStep
                arrKeys = varElement.Keys
                For lngIndex = 0 To UBound(arrKeys)
                    strResult = strResult & String(lngIndent, strIndent) & """" & arrKeys(lngIndex) & """" & ": "
                    BeautyTraverse strResult, lngIndent, varElement(arrKeys(lngIndex)), strIndent, lngStep
                    If Not (lngIndex = UBound(arrKeys)) Then strResult = strResult & ","
                    strResult = strResult & vbCrLf
                Next
                lngIndent = lngIndent - lngStep
                strResult = strResult & String(lngIndent, strIndent) & "}"
            End If
        Case Is >= vbArray
            If UBound(varElement) = -1 Then
                strResult = strResult & "[]"
            Else
                strResult = strResult & "[" & vbCrLf
                lngIndent = lngIndent + lngStep
                For lngIndex = 0 To UBound(varElement)
                    strResult = strResult & String(lngIndent, strIndent)
                    BeautyTraverse strResult, lngIndent, varElement(lngIndex), strIndent, lngStep
                    If Not (lngIndex = UBound(varElement)) Then strResult = strResult & ","
                    strResult = strResult & vbCrLf
                Next
                lngIndent = lngIndent - lngStep
                strResult = strResult & String(lngIndent, strIndent) & "]"
            End If
        Case vbInteger, vbLong, vbSingle, vbDouble
            strResult = strResult & varElement
        Case vbNull
            strResult = strResult & "Null"
        Case vbBoolean
            strResult = strResult & IIf(varElement, "True", "False")
        Case Else
            strTemp = Replace(varElement, "\""", """")
            strTemp = Replace(strTemp, "\", "\\")
            strTemp = Replace(strTemp, "/", "\/")
            strTemp = Replace(strTemp, Chr(8), "\b")
            strTemp = Replace(strTemp, Chr(12), "\f")
            strTemp = Replace(strTemp, vbLf, "\n")
            strTemp = Replace(strTemp, vbCr, "\r")
            strTemp = Replace(strTemp, vbTab, "\t")
            strResult = strResult & """" & strTemp & """"
    End Select

End Sub

Function ReadTextFile(strPath As String, lngFormat As Long) As String
    ' lngFormat -2 - System default, -1 - Unicode, 0 - ASCII
    With CreateObject("Scripting.FileSystemObject").OpenTextFile(strPath, 1, False, lngFormat)
        ReadTextFile = ""
        If Not .AtEndOfStream Then ReadTextFile = .ReadAll
        .Close
    End With
End Function

Sub WriteTextFile(strContent As String, strPath As String, lngFormat As Long)
    With CreateObject("Scripting.FileSystemObject").OpenTextFile(strPath, 2, True, lngFormat)
        .Write (strContent)
        .Close
    End With
End Sub
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UPDATE

请注意,上述方法在某些情况下会使系统容易受到攻击,因为它允许通过ActiveX直接访问恶意JS代码的驱动器(以及其他内容).假设您正在解析Web服务器响应JSON,就像ScriptControl.在评估之后,您将找到新创建的文件ScriptControl.因此使用JsonString = "{a:(function(){(new ActiveXObject('Scripting.FileSystemObject')).CreateTextFile('C:\\Test.txt')})()}"ActiveX进行JSON解析不是一个好主意.

为了避免这种情况,我已经基于RegEx创建了JSON解析器.对象C:\Test.txt是通过字典来表示,这使得可以使用字典的属性和方法:ScriptControl,{},.Count,.Exists(),.Item().数组.Items是传统的基于零的VB数组,因此.Keys显示了元素的数量.以下是包含一些用法示例的代码:

Sub JsonTest()

    Dim Dict, Temp, Text, Keys, Items

    ' Converting JSON string to appropriate nested dictionaries structure
    ' Dictionaries have numeric keys for JSON Arrays, and string keys for JSON Objects
    ' Returns Nothing in case of any JSON syntax issues
    Set Dict = GetJsonDict("{a:[[{stuff:'result'}]], b:''}")
    ' You can use For Each ... Next and For ... Next loops through keys and items
    Keys = Dict.Keys
    Items = Dict.Items

    ' Referring directly to the necessary property if sure, without any checks
    MsgBox Dict("a")(0)(0)("stuff")

    ' Auxiliary DrillDown() function
    ' Drilling down the structure, sequentially checking if each level exists
    Select Case False
    Case DrillDown(Dict, "a", Temp, "")
    Case DrillDown(Temp, 0, Temp, "")
    Case DrillDown(Temp, 0, Temp, "")
    Case DrillDown(Temp, "stuff", "", Text)
    Case Else
        ' Structure is consistent, requested value found
        MsgBox Text
    End Select

End Sub

Function GetJsonDict(JsonString As String)
    With CreateObject("ScriptControl")
        .Language = "JScript"
        .ExecuteStatement "function gettype(sample) {return {}.toString.call(sample).slice(8, -1)}"
        .ExecuteStatement "function evaljson(json, er) {try {var sample = eval('(' + json + ')'); var type = gettype(sample); if(type != 'Array' && type != 'Object') {return er;} else {return getdict(sample);}} catch(e) {return er;}}"
        .ExecuteStatement "function getdict(sample) {var type = gettype(sample); if(type != 'Array' && type != 'Object') return sample; var dict = new ActiveXObject('Scripting.Dictionary'); if(type == 'Array') {for(var key = 0; key < sample.length; key++) {dict.add(key, getdict(sample[key]));}} else {for(var key in sample) {dict.add(key, getdict(sample[key]));}} return dict;}"
        Set GetJsonDict = .Run("evaljson", JsonString, Nothing)
    End With
End Function

Function DrillDown(Source, Prop, Target, Value)
    Select Case False
    Case TypeName(Source) = "Dictionary"
    Case Source.exists(Prop)
    Case Else
        Select Case True
        Case TypeName(Source(Prop)) = "Dictionary"
            Set Target = Source(Prop)
            Value = Empty
        Case IsObject(Source(Prop))
            Set Value = Source(Prop)
            Set Target = Nothing
        Case Else
            Value = Source(Prop)
            Set Target = Nothing
        End Select
        DrillDown = True
        Exit Function
    End Select
    DrillDown = False
End Function
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检查GitHub上的VBA-JSON-parser以获取最新版本(将JSON.bas模块导入VBA项目以进行JSON处理).

这个JSON RegEx解析器的另一个机会是它可以在64位Office上运行,其中ScriptControl不可用.

UPDATE2

但是,如果您确实想在64位Office上解析JSON [],那么这个答案可能会帮助您使其工作.


ozm*_*ike 6

更简单的方法是你可以在VB代码中使用array.myitem(0)

我的完整答案在这里解析和字符串化(序列化)

在js中使用'this'对象

ScriptEngine.AddCode "Object.prototype.myitem=function( i ) { return this[i] } ; "
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然后你可以去array.myitem(0)

Private ScriptEngine As ScriptControl

Public Sub InitScriptEngine()
    Set ScriptEngine = New ScriptControl
    ScriptEngine.Language = "JScript"
    ScriptEngine.AddCode "Object.prototype.myitem=function( i ) { return this[i] } ; "
    Set foo = ScriptEngine.Eval("(" + "[ 1234, 2345 ]" + ")") ' JSON array
    Debug.Print foo.myitem(1) ' method case sensitive!
    Set foo = ScriptEngine.Eval("(" + "{ ""key1"":23 , ""key2"":2345 }" + ")") ' JSON key value
    Debug.Print foo.myitem("key1") ' WTF

End Sub
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SIM*_*SIM 6

由于Json只不过是字符串所以如果我们能够以正确的方式操作它,它就可以轻松处理,无论结构多么复杂.我认为没有必要使用任何外部库或转换器来完成这个技巧.这是一个使用字符串操作解析json数据的示例.

Sub FetchData()
    Dim str As Variant, N&, R&

    With New XMLHTTP60
        .Open "GET", "https://oresapp.asicanada.net/ores.imis.services/api/member/?address=&callback=angular.callbacks._0&city=&companyName=&personName=", False
        .send
        str = Split(.responseText, ":[{""Id"":")
    End With

    N = UBound(str)

    For R = 1 To N
        Cells(R, 1) = Split(Split(str(R), "FullName"":""")(1), """")(0)
        Cells(R, 2) = Split(Split(str(R), "Phone"":""")(1), """")(0)
        Cells(R, 3) = Split(Split(str(R), "Email"":""")(1), """")(0)
    Next R
End Sub
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Exc*_*ero 5

为了在 VBA 中解析 JSON 而不向工作簿项目添加庞大的库,我创建了以下解决方案。它非常快,并且将所有键和值存储在字典中以便于访问:

Function ParseJSON(json$, Optional key$ = "obj") As Object
    p = 1
    token = Tokenize(json)
    Set dic = CreateObject("Scripting.Dictionary")
    If token(p) = "{" Then ParseObj key Else ParseArr key
    Set ParseJSON = dic
End Function

Function ParseObj(key$)
    Do: p = p + 1
        Select Case token(p)
            Case "]"
            Case "[":  ParseArr key
            Case "{"
                       If token(p + 1) = "}" Then
                           p = p + 1
                           dic.Add key, "null"
                       Else
                           ParseObj key
                       End If
            
            Case "}":  key = ReducePath(key): Exit Do
            Case ":":  key = key & "." & token(p - 1)
            Case ",":  key = ReducePath(key)
            Case Else: If token(p + 1) <> ":" Then dic.Add key, token(p)
        End Select
    Loop
End Function

Function ParseArr(key$)
    Dim e&
    Do: p = p + 1
        Select Case token(p)
            Case "}"
            Case "{":  ParseObj key & ArrayID(e)
            Case "[":  ParseArr key
            Case "]":  Exit Do
            Case ":":  key = key & ArrayID(e)
            Case ",":  e = e + 1
            Case Else: dic.Add key & ArrayID(e), token(p)
        End Select
    Loop
End Function
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上面的代码确实使用了一些辅助函数,但上面是它的主要内容。

这里使用的策略是使用递归标记器。我发现在 Medium 上写一篇关于这个解决方案文章很有趣。它解释了细节。

这是完整的(但出奇的短)代码清单,包括所有辅助函数:

'-------------------------------------------------------------------
' VBA JSON Parser
'-------------------------------------------------------------------
Option Explicit
Private p&, token, dic
Function ParseJSON(json$, Optional key$ = "obj") As Object
    p = 1
    token = Tokenize(json)
    Set dic = CreateObject("Scripting.Dictionary")
    If token(p) = "{" Then ParseObj key Else ParseArr key
    Set ParseJSON = dic
End Function
Function ParseObj(key$)
    Do: p = p + 1
        Select Case token(p)
            Case "]"
            Case "[":  ParseArr key
            Case "{"
                       If token(p + 1) = "}" Then
                           p = p + 1
                           dic.Add key, "null"
                       Else
                           ParseObj key
                       End If
            
            Case "}":  key = ReducePath(key): Exit Do
            Case ":":  key = key & "." & token(p - 1)
            Case ",":  key = ReducePath(key)
            Case Else: If token(p + 1) <> ":" Then dic.Add key, token(p)
        End Select
    Loop
End Function
Function ParseArr(key$)
    Dim e&
    Do: p = p + 1
        Select Case token(p)
            Case "}"
            Case "{":  ParseObj key & ArrayID(e)
            Case "[":  ParseArr key
            Case "]":  Exit Do
            Case ":":  key = key & ArrayID(e)
            Case ",":  e = e + 1
            Case Else: dic.Add key & ArrayID(e), token(p)
        End Select
    Loop
End Function
'-------------------------------------------------------------------
' Support Functions
'-------------------------------------------------------------------
Function Tokenize(s$)
    Const Pattern = """(([^""\\]|\\.)*)""|[+\-]?(?:0|[1-9]\d*)(?:\.\d*)?(?:[eE][+\-]?\d+)?|\w+|[^\s""']+?"
    Tokenize = RExtract(s, Pattern, True)
End Function
Function RExtract(s$, Pattern, Optional bGroup1Bias As Boolean, Optional bGlobal As Boolean = True)
  Dim c&, m, n, v
  With CreateObject("vbscript.regexp")
    .Global = bGlobal
    .MultiLine = False
    .IgnoreCase = True
    .Pattern = Pattern
    If .TEST(s) Then
      Set m = .Execute(s)
      ReDim v(1 To m.Count)
      For Each n In m
        c = c + 1
        v(c) = n.value
        If bGroup1Bias Then If Len(n.submatches(0)) Or n.value = """""" Then v(c) = n.submatches(0)
      Next
    End If
  End With
  RExtract = v
End Function
Function ArrayID$(e)
    ArrayID = "(" & e & ")"
End Function
Function ReducePath$(key$)
    If InStr(key, ".") Then ReducePath = Left(key, InStrRev(key, ".") - 1)
End Function
Function ListPaths(dic)
    Dim s$, v
    For Each v In dic
        s = s & v & " --> " & dic(v) & vbLf
    Next
    Debug.Print s
End Function
Function GetFilteredValues(dic, match)
    Dim c&, i&, v, w
    v = dic.keys
    ReDim w(1 To dic.Count)
    For i = 0 To UBound(v)
        If v(i) Like match Then
            c = c + 1
            w(c) = dic(v(i))
        End If
    Next
    ReDim Preserve w(1 To c)
    GetFilteredValues = w
End Function
Function GetFilteredTable(dic, cols)
    Dim c&, i&, j&, v, w, z
    v = dic.keys
    z = GetFilteredValues(dic, cols(0))
    ReDim w(1 To UBound(z), 1 To UBound(cols) + 1)
    For j = 1 To UBound(cols) + 1
         z = GetFilteredValues(dic, cols(j - 1))
         For i = 1 To UBound(z)
            w(i, j) = z(i)
         Next
    Next
    GetFilteredTable = w
End Function
Function OpenTextFile$(f)
    With CreateObject("ADODB.Stream")
        .Charset = "utf-8"
        .Open
        .LoadFromFile f
        OpenTextFile = .ReadText
    End With
End Function
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