Private/Get-OperationPaths.ps1
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function Get-OperationPaths { [OutputType([Tuple[bool, Operation[]][]])] param( [Parameter(Mandatory)] [SchemaNode] $Node ) $paths = [Tuple[bool, Operation[]][]]::new(1) # Basic path is non failover with return of value $paths[0] = [Tuple[bool, Operation[]]]::new( $false, @( [NoOp]::new() ) ) if ($Node -is [Plain]) { # https://docs.microsoft.com/en-us/powershell/scripting/learn/deep-dives/everything-about-arrays?view=powershell-7.2 Write-Output -NoEnumerate $paths } elseif ($Node -is [Variable]) { $Variable = $Node -as [Variable] foreach ($group in $Variable.GetOperations()) { $nPaths = [System.Collections.Generic.List[Tuple[bool, Operation[]]]]::new() [Tuple[bool, Operation[]][]] $gPaths = $group.GetPaths() foreach ($path in $paths) { # Setup paths from known nodes and newly found group paths foreach ($gPath in $gPaths) { $nodes = [Operation[]]::new($path.Item2.Length + $gPath.Item2.Length) # A) Copy nodes from known path for ([int] $i = 0; $i -lt $path.Item2.Length; $i++) { $nodes[$i] = $path.Item2[$i] } # B) Extend path for ([int] $i = 0; $i -lt $gPath.Item2.Length; $i++) { $nodes[$path.Item2.Length + $i] = $gPath.Item2[$i] } # C) Append newly constructed path to next path iteration $nPaths.Add( [Tuple[bool, Operation[]]]::new( $path.Item1 -or $gPath.Item1, $nodes ) ) } } $paths = $nPaths.ToArray() } # https://docs.microsoft.com/en-us/powershell/scripting/learn/deep-dives/everything-about-arrays?view=powershell-7.2 Write-Output -NoEnumerate $paths } else { throw [System.NotImplementedException]::new() } } |