src/public/Format-ScriptCondenseEnclosures.ps1
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function Format-ScriptCondenseEnclosures { <# .SYNOPSIS Moves specified beginning enclosure types to the end of the prior line if found to be on its own line. .DESCRIPTION Moves specified beginning enclosure types to the end of the prior line if found to be on its own line. .PARAMETER Code Multiple lines of code to analyze .PARAMETER EnclosureStart Array of starting enclosure characters to process (default is (, {, @(, and @{) .PARAMETER SkipPostProcessingValidityCheck After modifications have been made a check will be performed that the code has no errors. Use this switch to bypass this check (This is not recommended!) .EXAMPLE $test = Get-Content -Raw -Path 'C:\testcases\test-pad-operators.ps1' $test | Format-ScriptCondenseEnclosures | clip Description ----------- Moves all beginning enclosure characters to the prior line if found to be sitting at the beginning of a line. .NOTES Author: Zachary Loeber Site: http://www.the-little-things.net/ 1.0.0 - 01/25/2015 - Initial release #> [CmdletBinding()] param( [parameter(Position = 0, Mandatory = $true, ValueFromPipeline=$true, HelpMessage='Lines of code to look for and condense.')] [AllowEmptyString()] [string[]]$Code, [parameter(Position = 1, HelpMessage='Start of enclosure (typically left parenthesis or curly braces')] [string[]]$EnclosureStart = @('{','(','@{','@('), [parameter(Position = 2, HelpMessage='Bypass code validity check after modifications have been made.')] [switch]$SkipPostProcessingValidityCheck ) begin { if ($script:ThisModuleLoaded -eq $true) { Get-CallerPreference -Cmdlet $PSCmdlet -SessionState $ExecutionContext.SessionState } $FunctionName = $MyInvocation.MyCommand.Name Write-Verbose "$($FunctionName): Begin." $Codeblock = @() $enclosures = @() $EnclosureStart | foreach {$enclosures += [Regex]::Escape($_)} $regex = '^\s*('+ ($enclosures -join '|') + ')\s*$' $Output = @() $Count = 0 $LineCount = 0 } process { $Codeblock += ($Code -split "`r`n") } end { $Codeblock | Foreach { $LineCount++ if (($_ -match $regex) -and ($Count -gt 0)) { $encfound = $Matches[1] # if the prior line has any kind of comment/hash ignore it if (-not ($Output[$Count - 1] -match '#')) { Write-Verbose "$($FunctionName): Condensed enclosure $($encfound) at line $LineCount" $Output[$Count - 1] = "$($Output[$Count - 1]) $($encfound)" } else { $Output += $_ $Count++ } } else { $Output += $_ $Count++ } } # Validate our returned code doesn't have any unintentionally introduced parsing errors. if (-not $SkipPostProcessingValidityCheck) { if (-not (Format-ScriptTestCodeBlock -Code $Output)) { throw "$($FunctionName): Modifications made to the scriptblock resulted in code with parsing errors!" } } $Output Write-Verbose "$($FunctionName): End." } } |