Functions/Private/Invoke-ModuleUpgradeStep.ps1
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function Invoke-ModuleUpgradeStep { <# .SYNOPSIS Runs the individual module upgrade step against the file contents. .DESCRIPTION Runs the individual module upgrade step against the file contents. The file contents are passed in as a stringbuilder and the edits for this individual upgrade step are performed against that directly. .PARAMETER Step Specify the upgrade step. .PARAMETER FileContents Specify the file contents wrapped in a stringbuilder. .EXAMPLE PS C:\ Invoke-ModuleUpgradeStep -Step $upgradeStep -FileContent $contentsBuilder Performs an in-line text update for the specified module upgrade step. #> [CmdletBinding()] Param ( [Parameter( Mandatory=$true, HelpMessage='Specify the upgrade step.')] [UpgradeStep] [ValidateNotNull()] $Step, [Parameter( Mandatory=$true, HelpMessage='Specify the file contents wrapped in a stringbuilder.')] [System.Text.StringBuilder] [ValidateNotNull()] $FileContent ) Process { switch ($Step.UpgradeType) { "Cmdlet" { Write-Verbose -Message ("[{0}:{1}:{2}] Updating cmdlet {3} to {4}." ` -f $Step.FileName, $Step.StartLine, $Step.StartColumn, ` $Step.OriginalCmdletName, $Step.ReplacementCmdletName) # safety check # ensure that the file offsets are an exact match. Confirm-StringBuilderSubstring -FileContent $FileContent -Substring $Step.OriginalCmdletName ` -StartOffset $Step.StartOffset -EndOffset $Step.EndOffset # replacement code $null = $FileContent.Remove($Step.StartOffset, ($Step.EndOffset - $Step.StartOffset)); $null = $FileContent.Insert($Step.StartOffset, $Step.ReplacementCmdletName); } "CmdletParameter" { Write-Verbose -Message ("[{0}:{1}:{2}] Updating cmdlet parameter {3} to {4}." ` -f $Step.FileName, $Step.StartLine, $Step.StartColumn, ` $Step.OriginalParameterName, $Step.ReplacementParameterName) # safety check # ensure that the file offsets are an exact match. Confirm-StringBuilderSubstring -FileContent $FileContent -Substring ("-{0}" -f $Step.OriginalParameterName) ` -StartOffset $Step.StartOffset -EndOffset $Step.EndOffset # replacement code $null = $FileContent.Remove($Step.StartOffset, ($Step.EndOffset - $Step.StartOffset)); $null = $FileContent.Insert($Step.StartOffset, ("-{0}" -f $Step.ReplacementParameterName)); } default { throw 'Unexpected upgrade step type found.' } } } } |