PSSW.psm1
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Set-StrictMode -Version 3.0 function ConvertFrom-PSSWDuration { [CmdletBinding()] param( [Parameter(Mandatory = $true)] [string[]] $Duration ) $totalSeconds = 0.0 foreach ($part in $Duration) { if ([string]::IsNullOrWhiteSpace($part)) { throw 'Duration parts cannot be empty.' } $match = [regex]::Match($part.Trim().ToLowerInvariant(), '^([0-9]+(?:\.[0-9]+)?)([hms]?)$') if (-not $match.Success) { throw "Invalid duration part '$part'. Use values such as 1h, 30m, or 45s." } $value = [double]::Parse( $match.Groups[1].Value, [Globalization.CultureInfo]::InvariantCulture ) switch ($match.Groups[2].Value) { 'h' { $totalSeconds += $value * 3600 } 'm' { $totalSeconds += $value * 60 } default { $totalSeconds += $value } } } if ($totalSeconds -le 0) { throw 'Total duration must be greater than zero.' } return $totalSeconds } function Format-PSSWTime { [CmdletBinding()] param( [Parameter(Mandatory = $true)] [double] $Seconds, [ValidateRange(0, 15)] [int] $Precision = 3 ) if ($Seconds -lt 0) { $Seconds = 0 } $hours = [math]::Floor($Seconds / 3600) $minutes = [math]::Floor(($Seconds % 3600) / 60) $remainingSeconds = $Seconds % 60 $secondsFormat = '00.' + ('0' * $Precision) $formattedSeconds = $remainingSeconds.ToString($secondsFormat, [Globalization.CultureInfo]::InvariantCulture) if ([double]::Parse($formattedSeconds, [Globalization.CultureInfo]::InvariantCulture) -ge 60) { $formattedSeconds = (0).ToString($secondsFormat, [Globalization.CultureInfo]::InvariantCulture) $minutes++ } if ($minutes -ge 60) { $minutes = 0 $hours++ } return '{0:00} h {1:00} m {2} s' -f $hours, $minutes, $formattedSeconds } function Start-PSSWStopwatch { [CmdletBinding()] param( [ValidateRange(0, 15)] [int] $Precision = 3 ) $elapsed = 0.0 $baseElapsed = 0.0 $running = $true $clock = [Diagnostics.Stopwatch]::StartNew() $laps = New-Object System.Collections.Generic.List[string] Write-Host "Stopwatch started. Press 's' to pause/resume, 'l' for lap/reset, or 'q' to quit." Write-Host '' try { while ($true) { if ($running) { $elapsed = $baseElapsed + (Get-PSSWStopwatchElapsed -Clock $clock) } Write-PSSWTimeLine -Seconds $elapsed -Precision $Precision $key = Read-PSSWKey if ($key -eq 'q') { break } if ($key -eq 's') { if ($running) { $elapsed = $baseElapsed + (Get-PSSWStopwatchElapsed -Clock $clock) $running = $false } else { $clock = [Diagnostics.Stopwatch]::StartNew() $baseElapsed = $elapsed $running = $true } } elseif ($key -eq 'l') { if ($running) { $lap = ' Lap #{0:00}: {1}' -f ($laps.Count + 1), (Format-PSSWTime -Seconds $elapsed -Precision $Precision) [void]$laps.Add($lap) Write-Host $lap Write-Host '' } else { if ($elapsed -gt 0) { Write-Host '' Write-Host '--- Finished ---' Write-Host ('Total Time: {0}' -f (Format-PSSWTime -Seconds $elapsed -Precision $Precision)) foreach ($lap in $laps) { Write-Host $lap } } $elapsed = 0.0 $laps.Clear() } } Start-Sleep -Milliseconds $(if ($Precision -gt 2) { 10 } else { 50 }) } } finally { if ($running) { $elapsed = $baseElapsed + (Get-PSSWStopwatchElapsed -Clock $clock) } $clock.Stop() Write-Host '' if ($elapsed -gt 0 -or $laps.Count -gt 0) { Write-Host '--- Finished ---' Write-Host ('Total Time: {0}' -f (Format-PSSWTime -Seconds $elapsed -Precision $Precision)) foreach ($lap in $laps) { Write-Host $lap } } } } function Get-PSSWStopwatchElapsed { param( [Diagnostics.Stopwatch] $Clock ) return $Clock.Elapsed.TotalSeconds } function Start-PSSWTimer { [CmdletBinding()] param( [Parameter(Mandatory = $true, Position = 0)] [string[]] $Duration, [ValidateRange(0, 15)] [int] $Precision = 3, [int] $Repeat = 1, [switch] $Mute ) if ($Repeat -eq 0 -or $Repeat -lt -1) { throw 'Repeat must be a positive number or -1 for infinite repeat.' } $totalSeconds = ConvertFrom-PSSWDuration -Duration $Duration $cycle = 0 try { while ($Repeat -eq -1 -or $cycle -lt $Repeat) { $cycle++ Write-Host ('--- Timer Cycle #{0} ---' -f $cycle) Write-Host "Press 's' to pause/resume, or 'q' to quit." $remaining = $totalSeconds $running = $true $clock = [Diagnostics.Stopwatch]::StartNew() $baseRemaining = $remaining try { while ($remaining -gt 0) { if ($running) { $remaining = [math]::Max(0, $baseRemaining - (Get-PSSWTimerElapsed -Clock $clock)) } Write-PSSWTimeLine -Seconds $remaining -Precision $Precision $key = Read-PSSWKey if ($key -eq 'q') { Write-Host 'Timer canceled by user.' return } if ($key -eq 's') { if ($running) { $remaining = [math]::Max(0, $baseRemaining - (Get-PSSWTimerElapsed -Clock $clock)) $running = $false } else { $clock = [Diagnostics.Stopwatch]::StartNew() $baseRemaining = $remaining $running = $true } } Start-Sleep -Milliseconds $(if ($Precision -gt 2) { 10 } else { 50 }) } Write-PSSWTimeLine -Seconds 0 -Precision $Precision Invoke-PSSWTimerNotification -Mute:$Mute Write-Host "Time's up!" } finally { $clock.Stop() } if ($Repeat -eq -1 -or $cycle -lt $Repeat) { Start-Sleep -Seconds 1 } } } finally { Write-Host '' } } function Get-PSSWTimerElapsed { param( [Diagnostics.Stopwatch] $Clock ) return $Clock.Elapsed.TotalSeconds } function Invoke-PSSWTimerNotification { param( [switch] $Mute ) if (-not $Mute) { try { [Console]::Beep() } catch { [Console]::Write([char]7) } } } function Read-PSSWKey { if (-not [Console]::IsInputRedirected -and [Console]::KeyAvailable) { return ([Console]::ReadKey($true)).KeyChar.ToString().ToLowerInvariant() } return $null } function Write-PSSWTimeLine { param( [double] $Seconds, [int] $Precision ) Write-Host ("`r{0}" -f (Format-PSSWTime -Seconds $Seconds -Precision $Precision)) -NoNewline } |