vdf-converter.ps1

function ConvertTo-PSObject {
    param (
        [Parameter(Mandatory=$true)]
        [string]$vdfContent
    )

    $lines = $vdfContent -split "`r?`n"
    $keysBuffer = [System.Collections.Generic.List[string]]::new()
    $valuesBuffer = [System.Collections.Generic.List[PSObject]]::new()

    foreach ($line in $lines) {
        $trimmedLine = $line.Trim()

        if ($trimmedLine -eq "{") {
            if ($currentPSObject) {
                $valuesBuffer.Add($currentPSObject)
                $currentPSObject = [PSCustomObject]@{}
            } else {
                $currentPSObject = [PSCustomObject]@{}
            }
        } elseif ($trimmedLine -eq "}") {
            if ($keysBuffer.Count -gt 0) {
                $key = $keysBuffer[$keysBuffer.Count - 1]
                $keysBuffer.RemoveAt($keysBuffer.Count - 1)
            }

            if ($valuesBuffer.Count -gt 0) {
                $parentObject = $valuesBuffer[$valuesBuffer.Count - 1]
                $valuesBuffer.RemoveAt($valuesBuffer.Count - 1)
            } else {
                $parentObject = [PSCustomObject]@{}
            }

            if ($null -eq $parentObject) {
                $parentObject = [PSCustomObject]@{}
            }
            $parentObject | Add-Member -MemberType NoteProperty -Name $key -Value $currentPSObject
            $currentPSObject = $parentObject
        } else {
            $stringMatches = [regex]::Matches($trimmedLine, '"([^"]*)"')
            if ($stringMatches.Count -eq 1) {
                $trimmedLine = $trimmedLine.Trim("`"")
                $keysBuffer.Add($trimmedLine)
            } elseif ($stringMatches.Count -eq 2) {
                $currentPSObject | Add-Member -MemberType NoteProperty -Name $stringMatches[0].Groups[1].Value -Value $stringMatches[1].Groups[1].Value
            }
        }
    }

    return $currentPSObject
}