Types/Demo/SetChapter.ps1
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param([string]$Chapter) if (-not $this.Chapters) { throw "No Chapters" } $chapterParts = @($chapter -split '\.') $potentialChapterNumbers = @( if ($chapterParts.Length -gt 1) { ($chapterParts[0..($chapterParts.Length - 2)] -join '\.') + '*' } $chapter + '*' ) $newChapter, $newStep = :nextChapter foreach ($chap in $this.Chapters) { foreach ($potential in $potentialChapterNumbers) { if ($chap.Number -like $potential) { if ($potential -ne ($Chapter + '*')) { # Setting chapter and step number $chap, $chapterParts[-1] -as [int] break nextChapter } else { $chap, 1 } } } } if (-not $newChapter) { throw "Could not find chapter '$chapter'" } $this | Add-Member NoteProperty CurrentChapter $newChapter -Force $this | Add-Member NoteProperty CurrentStep ($newStep - 1) -Force |