PSReadLine_FuzzyCommand.ps1
function Find-CurrentCommand { param([string]$line,[int]$cursor,[ref]$leftCursor,[ref]$rightCursor) if ($line.Length -eq 0) { $leftCursor.Value = $rightCursor.Value = 0 return $null } if ($cursor -ge $line.Length) { $leftCursorTmp = $cursor - 1 } else { $leftCursorTmp = $cursor } :leftSearch for (;$leftCursorTmp -ge 0;$leftCursorTmp--) { if ([string]::IsNullOrWhiteSpace($line[$leftCursorTmp])) { if (($leftCursorTmp -lt $cursor) -and ($leftCursorTmp -lt $line.Length-1)) { $leftCursorTmpQuote = $leftCursorTmp - 1 $leftCursorTmp = $leftCursorTmp + 1 } else { $leftCursorTmpQuote = $leftCursorTmp } for (;$leftCursorTmpQuote -ge 0;$leftCursorTmpQuote--) { if (($line[$leftCursorTmpQuote] -eq '"') -and (($leftCursorTmpQuote -le 0) -or ($line[$leftCursorTmpQuote-1] -ne '"'))) { $leftCursorTmp = $leftCursorTmpQuote break leftSearch } elseif (($line[$leftCursorTmpQuote] -eq "'") -and (($leftCursorTmpQuote -le 0) -or ($line[$leftCursorTmpQuote-1] -ne "'"))) { $leftCursorTmp = $leftCursorTmpQuote break leftSearch } } break leftSearch } } :rightSearch for ($rightCursorTmp = $cursor;$rightCursorTmp -lt $line.Length;$rightCursorTmp++) { if ([string]::IsNullOrWhiteSpace($line[$rightCursorTmp])) { if ($rightCursorTmp -gt $cursor) { $rightCursorTmp = $rightCursorTmp - 1 } for ($rightCursorTmpQuote = $rightCursorTmp+1;$rightCursorTmpQuote -lt $line.Length;$rightCursorTmpQuote++) { if (($line[$rightCursorTmpQuote] -eq '"') -and (($rightCursorTmpQuote -gt $line.Length) -or ($line[$rightCursorTmpQuote+1] -ne '"'))) { $rightCursorTmp = $rightCursorTmpQuote break rightSearch } elseif (($line[$rightCursorTmpQuote] -eq "'") -and (($rightCursorTmpQuote -gt $line.Length) -or ($line[$rightCursorTmpQuote+1] -ne "'"))) { $rightCursorTmp = $rightCursorTmpQuote break rightSearch } } break rightSearch } } if ($leftCursorTmp -lt 0 -or $leftCursorTmp -gt $line.Length-1) { $leftCursorTmp = 0} if ($rightCursorTmp -ge $line.Length) { $rightCursorTmp = $line.Length-1 } $leftCursor.Value = $leftCursorTmp $rightCursor.Value = $rightCursorTmp $str = -join ($line[$leftCursorTmp..$rightCursorTmp]) return $str.Trim("'").Trim('"') } function Invoke-FuzzyCommandPsReadlineHandler { $leftCursor = $null $rightCursor = $null $line = $null $cursor = $null [Microsoft.PowerShell.PSConsoleReadline]::GetBufferState([ref]$line, [ref]$cursor) $currentCommand = Find-CurrentCommand $line $cursor ([ref]$leftCursor) ([ref]$rightCursor) $commands = Select-FuzzyCommand $currentCommand if ($commands -ne $null) { $command = $commands | Out-GridView -Title Commands -PassThru if ($command) { [Microsoft.PowerShell.PSConsoleReadLine]::RevertLine() [Microsoft.PowerShell.PSConsoleReadLine]::Insert($command) } } } # install PSReadline shortcut: if (Get-Module -ListAvailable -Name PSReadline) { if ($args.Length -ge 1) { $script:PSReadlineHandlerChord = $args[0] } else { $script:PSReadlineHandlerChord = 'Ctrl+P' } if (Get-PSReadlineKeyHandler -Bound | Where Key -eq $script:PSReadlineHandlerChord) { Write-Warning ("PSReadline chord {0} already in use - keyboard handler not installed" -f $script:PSReadlineHandlerChord) } else { Set-PSReadlineKeyHandler -Key Ctrl+P -BriefDescription "SelectFuzzyCommand" -ScriptBlock { Invoke-FuzzyCommandPsReadlineHandler } } } else { Write-Warning "PSReadline module not found - keyboard handler not installed" } |