Converting Whitespace-Indented Output to XML

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 function Get-HPSmartArrayConfigAsXML{    param (        [string]$HPSSACLIPath =  'C:\Program Files\HP\hpssacli\bin\hpssacli.exe',        [string]$Path = "$home\Desktop\$env:ComputerName-hpssacli.xml"    )    $ErrorActionPreference = 'Stop'    # test-path or die!!!    Get-Item $HPSSACLIPath | Out-Null    $previousIndent = ''    [System.Collections.ArrayList]$tagStack = @()    [xml]$xml = '<xml></xml>'    $nodeStackPointer = $xml.FirstChild    $lastNodePointer = $xml.FirstChild    & $HPSSACLIPath ctrl all show config |    ? {         $_ -replace '^\s+' -replace '\s+$'    } |    % {        if ($_ -match '^(?<Indent>\s*)(?<Tag>\S+)\s+(?<Data>.*)')        {            $thisLineIndent = $Matches.Indent            $tagName        = $Matches.Tag            $stringData     = $Matches.Data -replace ' +', ' '            $node = $xml.CreateElement($tagName)            $data = $xml.CreateElement('data')            $node.AppendChild($data)            $textNode = $xml.CreateTextNode($stringData)            $data.AppendChild($textNode)            if ($previousIndent.Length -eq $thisLineIndent.Length)            {                # no op            }            elseif ($previousIndent.Length -lt $thisLineIndent.Length)            {                Write-Verbose -Verbose "$($previousIndent.Length) -lt $($thisLineIndent.Length)"                Write-Verbose -Verbose "`$nodeStackPointer = '$($nodeStackPointer.LocalName)'"                Write-Verbose -Verbose "`$lastNodePointer = '$($lastNodePointer.LocalName)'"                $nodeStackPointer = $lastNodePointer                $previousIndent = $thisLineIndent            }            elseif ($previousIndent.Length -gt $thisLineIndent.Length)            {                Write-Verbose -Verbose "$($previousIndent.Length) -GT $($thisLineIndent.Length)"                Write-Verbose -Verbose "`$nodeStackPointer = '$($nodeStackPointer.LocalName)'"                Write-Verbose -Verbose "`$lastNodePointer = '$($lastNodePointer.LocalName)'"                $nodeStackPointer = $nodeStackPointer.ParentNode                $previousIndent = $thisLineIndent            }                     $nodeStackPointer.AppendChild($node)            $lastNodePointer = $node        }        else        {            Write-Warning "Failed to parse '$_'."        }    } | out-null    $xml.Save($Path)    Get-Item -Path $Path}