Private Function json_ParseString()

in spreadsheet/JsonConverter.bas [543:601]

• 49 lines of code
• 4 McCabe index (conditional complexity)

Private Function json_ParseString(json_String As String, ByRef json_Index As Long) As String
    Dim json_Quote As String
    Dim json_Char As String
    Dim json_Code As String
    Dim json_Buffer As String
    Dim json_BufferPosition As Long
    Dim json_BufferLength As Long

    json_SkipSpaces json_String, json_Index

    
    json_Quote = VBA.Mid$(json_String, json_Index, 1)
    json_Index = json_Index + 1

    Do While json_Index > 0 And json_Index <= Len(json_String)
        json_Char = VBA.Mid$(json_String, json_Index, 1)

        Select Case json_Char
        Case "\"
            
            json_Index = json_Index + 1
            json_Char = VBA.Mid$(json_String, json_Index, 1)

            Select Case json_Char
            Case """", "\", "/", "'"
                json_BufferAppend json_Buffer, json_Char, json_BufferPosition, json_BufferLength
                json_Index = json_Index + 1
            Case "b"
                json_BufferAppend json_Buffer, vbBack, json_BufferPosition, json_BufferLength
                json_Index = json_Index + 1
            Case "f"
                json_BufferAppend json_Buffer, vbFormFeed, json_BufferPosition, json_BufferLength
                json_Index = json_Index + 1
            Case "n"
                json_BufferAppend json_Buffer, vbCrLf, json_BufferPosition, json_BufferLength
                json_Index = json_Index + 1
            Case "r"
                json_BufferAppend json_Buffer, vbCr, json_BufferPosition, json_BufferLength
                json_Index = json_Index + 1
            Case "t"
                json_BufferAppend json_Buffer, vbTab, json_BufferPosition, json_BufferLength
                json_Index = json_Index + 1
            Case "u"
                
                json_Index = json_Index + 1
                json_Code = VBA.Mid$(json_String, json_Index, 4)
                json_BufferAppend json_Buffer, VBA.ChrW(VBA.Val("&h" + json_Code)), json_BufferPosition, json_BufferLength
                json_Index = json_Index + 4
            End Select
        Case json_Quote
            json_ParseString = json_BufferToString(json_Buffer, json_BufferPosition)
            json_Index = json_Index + 1
            Exit Function
        Case Else
            json_BufferAppend json_Buffer, json_Char, json_BufferPosition, json_BufferLength
            json_Index = json_Index + 1
        End Select
    Loop
End Function