completers/link_completer/link_completer.ps1
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# link tab completion for PowerShell # Static option completion for link.exe and link. Set-StrictMode -Version 2.0 function Get-LinkCompletionOptions { @('--help', '--version') } function New-LinkCompletionResult { param( [string]$CompletionText, [string]$ResultType, [string]$ToolTip, [string]$ListItemText ) if ([string]::IsNullOrWhiteSpace($ListItemText)) { $ListItemText = $CompletionText } if ([string]::IsNullOrWhiteSpace($ToolTip)) { $ToolTip = $CompletionText } [System.Management.Automation.CompletionResult]::new( $CompletionText, $ListItemText, $ResultType, $ToolTip ) } function Remove-LinkOuterQuotes { param([string]$Value) if ($null -eq $Value) { return '' } $Value.Trim([char[]]@([char]34, [char]39)) } function ConvertTo-LinkQuotedValue { param( [string]$Value, [bool]$AlwaysQuote = $false ) if ([string]::IsNullOrWhiteSpace($Value)) { return $Value } if (($AlwaysQuote -or $Value -match '\s') -and -not ($Value.StartsWith('"') -and $Value.EndsWith('"'))) { $escaped = $Value.Replace('`', '``').Replace('"', '`"') return '"' + $escaped + '"' } $Value } function Get-LinkCurrentToken { param( [string]$Line, [int]$CursorPosition, [string]$Fallback ) if ([string]::IsNullOrWhiteSpace($Line)) { return $Fallback } $safeCursor = [Math]::Min([Math]::Max($CursorPosition, 0), $Line.Length) $prefix = $Line.Substring(0, $safeCursor) if ($prefix -match '\s$') { return '' } $parts = @([regex]::Matches($prefix, '"[^"]*"|''[^'']*''|\S+') | ForEach-Object { $_.Value }) if ($parts.Count -gt 0) { return $parts[-1] } $Fallback } function Get-LinkPathCompletions { param([string]$InputPath) $cleanInput = Remove-LinkOuterQuotes -Value $InputPath $alwaysQuote = -not [string]::IsNullOrEmpty($InputPath) -and ($InputPath.StartsWith('"') -or $InputPath.StartsWith("'")) if ([string]::IsNullOrWhiteSpace($cleanInput)) { $parent = '.' $leaf = '' } elseif ($cleanInput -match '[\\/]+$') { $parent = $cleanInput $leaf = '' } else { $parent = Split-Path -Path $cleanInput -Parent if ([string]::IsNullOrWhiteSpace($parent)) { $parent = '.' } $leaf = Split-Path -Path $cleanInput -Leaf } if (-not (Test-Path -LiteralPath $parent -PathType Container)) { return @() } $items = @(Get-ChildItem -LiteralPath $parent -ErrorAction SilentlyContinue) $items = $items | Where-Object { $_.Name -like ([System.Management.Automation.WildcardPattern]::Escape($leaf) + '*') } | Sort-Object -Property Name foreach ($item in $items) { $pathText = if ($parent -eq '.' -or [string]::IsNullOrWhiteSpace($cleanInput)) { $item.Name } else { Join-Path -Path $parent -ChildPath $item.Name } if ($item.PSIsContainer -and -not $pathText.EndsWith([System.IO.Path]::DirectorySeparatorChar)) { $pathText += [System.IO.Path]::DirectorySeparatorChar } $quotedPath = ConvertTo-LinkQuotedValue -Value $pathText -AlwaysQuote $alwaysQuote if ($item.PSIsContainer) { New-LinkCompletionResult -CompletionText $quotedPath -ListItemText $pathText -ResultType 'ProviderContainer' -ToolTip $item.FullName } else { New-LinkCompletionResult -CompletionText $quotedPath -ListItemText $pathText -ResultType 'ProviderItem' -ToolTip $item.FullName } } } function Complete-Link { param( [string]$wordToComplete, [System.Management.Automation.Language.CommandAst]$commandAst, [int]$cursorPosition ) $currentWord = if ($cursorPosition -gt $commandAst.Extent.EndOffset) { '' } else { Get-LinkCurrentToken -Line $commandAst.ToString() -CursorPosition ($cursorPosition - $commandAst.Extent.StartOffset) -Fallback $wordToComplete } if ([string]::IsNullOrEmpty($currentWord)) { return Get-LinkPathCompletions -InputPath '' } if ($currentWord.StartsWith('-')) { return @( foreach ($option in Get-LinkCompletionOptions) { if ($option.StartsWith($currentWord, [System.StringComparison]::OrdinalIgnoreCase)) { New-LinkCompletionResult -CompletionText $option -ListItemText $option -ResultType 'ParameterName' -ToolTip 'Option for link.' } } ) } Get-LinkPathCompletions -InputPath $currentWord } Register-ArgumentCompleter -Native -CommandName 'link', 'link.exe' -ScriptBlock { param($wordToComplete, $commandAst, $cursorPosition) Complete-Link -wordToComplete $wordToComplete -commandAst $commandAst -cursorPosition $cursorPosition } |