Types/Demo.Chapter/get_Steps.ps1
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$text = $this.Text $step = @() # We want every step to be able to run independently. # This would be untrue if the code is unbalanced when a chapter would start # Thus, while we're primarily looking for comments, we also need to track groups $groupDepth = 0 for ($tokenNumber =0 ; $tokenNumber -lt $this.Tokens.Length; $tokenNumber++) { $token = $this.tokens[$tokenNumber] # If the token is a group start if ($token.Type -eq 'GroupStart') { $groupDepth++ # increment depth. } # If the token was a group end elseif ($token.Type -eq 'GroupEnd') { $groupDepth-- # decrement depth. } # If there was no depth # and the token was a comment starting in the first column. elseif ( (-not $groupDepth) -and $token.StartColumn -le 1 ) { # Then it's the start of a new step if ($step) { $stepEnd = $step[-1].Start + $step[-1].Length $stepStart = $step[0].Start # Get the content of the last step $stepScript = $text.Substring($stepStart, $stepEnd - $stepStart) -replace '^\s{0,}$' if ($stepScript) { # and make it into a PSObject $stepScript = [PSObject]::new($stepScript) # with the PSTypeName 'Demo.Step' $stepScript.pstypenames.add('Demo.Step') # and add the .Chapter property, pointing to $this $stepScript.psobject.properties.add([psnoteproperty]::new( 'Chapter',$this )) $stepScript } # then reset the collection of tokens in the current step. $step = @() } } # Add any token we see into the current step. $step += $token } # If there were any steps remaining if ($step) { $stepEnd = $step[-1].Start + $step[-1].Length $stepStart = $step[0].Start $stepScript = $text.Substring($stepStart, $stepEnd - $stepStart) -replace '^\s{0,}$' if ($stepScript) { # make them into 'Demo.Step' objects $stepScript = [PSObject]::new($stepScript) $stepScript.pstypenames.add('Demo.Step') $stepScript.psobject.properties.add([psnoteproperty]::new( 'Chapter',$this )) # and add the chapter. $stepScript } } |