Format-RichText.ps1
function Format-RichText { <# .Synopsis Formats the text color of output .Description Formats the text color of output * ForegroundColor * BackgroundColor * Bold * Underline .Notes Stylized Output works in two contexts at present: * Rich consoles (Windows Terminal, PowerShell.exe, Pwsh.exe) (when $host.UI.SupportsVirtualTerminal) * Web pages (Based off the presence of a $Request variable, or when $host.UI.SupportsHTML (you must add this property to $host.UI)) #> [Management.Automation.Cmdlet("Format","Object")] [ValidateScript({ $canUseANSI = $host.UI.SupportsVirtualTerminal $canUseHTML = $Request -or $host.UI.SupportsHTML -or $OutputMode -eq 'HTML' if (-not ($canUseANSI -or $canUseHTML)) { return $false} return $true })] param( # The input object [Parameter(ValueFromPipeline)] [PSObject] $InputObject, # The foreground color [string]$ForegroundColor, # The background color [string]$BackgroundColor, # If set, will render as bold [switch]$Bold, # If set, will render as blinking (not supported in all terminals or HTML) [switch]$Blink, # If set, will render as strikethru [switch]$Strikethru, # If set, will underline text [switch]$Underline, # If set, will invert text [switch]$Invert, # If set, will not clear formatting [switch]$NoClear ) begin { $canUseANSI = $host.UI.SupportsVirtualTerminal $canUseHTML = $Request -or $host.UI.SupportsHTML -or $OutputMode -eq 'HTML' $knownStreams = @{ Output='';Error='BrightRed';Warning='BrightYellow'; Verbose='BrightCyan';Debug='Yellow';Progress='Cyan'; Success='BrightGreen';Failure='Red';Default=''} $standardColors = 'Black', 'Red', 'Green', 'Yellow', 'Blue','Magenta', 'Cyan', 'White' $brightColors = 'BrightBlack', 'BrightRed', 'BrightGreen', 'BrightYellow', 'BrightBlue','BrightMagenta', 'BrightCyan', 'BrightWhite' $n =0 $cssClasses = @() $styleAttributes = @(:nextColor foreach ($hc in $ForegroundColor,$BackgroundColor) { $n++ if (-not $hc) { continue } if ($hc[0] -eq [char]0x1b) { if ($canUseANSI) { $hc; continue } } $ansiStartPoint = if ($n -eq 1) { 30 } else { 40 } if ($knownStreams.ContainsKey($hc)) { $i = $brightColors.IndexOf($knownStreams[$hc]) if ($canUseHTML) { $cssClasses += $hc } else { if ($i -ge 0 -and $canUseANSI) { '' + [char]0x1b + "[1;$($ansiStartPoint + $i)m" } else { $i = $standardColors.IndexOf($knownStreams[$hc]) if ($i -ge 0 -and $canUseANSI) { '' + [char]0x1b + "[1;$($ansiStartPoint + $i)m" } elseif ($i -le 0 -and $canUseANSI) { '' + [char]0x1b + "[$($ansistartpoint + 8):5m" } } } continue nextColor } elseif ($standardColors -contains $hc) { for ($i = 0; $i -lt $standardColors.Count;$i++) { if ($standardColors[$i] -eq $hc) { if ($canUseANSI -and -not $canUseHTML) { '' + [char]0x1b + "[$($ansiStartPoint + $i)m" } else { $cssClasses += $standardColors[$i] } continue nextColor } } } elseif ($brightColors -contains $hc) { for ($i = 0; $i -lt $brightColors.Count;$i++) { if ($brightColors[$i] -eq $hc) { if ($canUseANSI -and -not $canUseHTML) { '' + [char]0x1b + "[1;$($ansiStartPoint + $i)m" } else { $cssClasses += $standardColors[$i] } continue nextColor } } } elseif ($psStyle -and $psStyle.Formatting.$hc -and $psStyle.Formatting.$hc -match '^\e') { if ($canUseANSI -and -not $canUseHTML) { $psStyle.Formatting.$hc } else { $cssClasses += "formatting-$hc" } } elseif (-not $n -and $psStyle -and $psStyle.Foreground.$hc -and $psStyle.Foreground.$hc -match '^\e' ) { if ($canUseANSI -and -not $canUseHTML) { $psStyle.Foreground.$hc } else { $cssClasses += "foreground-$hc" } } elseif ($n -and $psStyle -and $psStyle.Background.$hc -and $psStyle.Background.$hc -match '^\e') { if ($canUseANSI -and -not $canUseHTML) { $psStyle.Background.$hc } else { $cssClasses += "background-$hc" } } if ($hc -and $hc -notmatch '^[\#\e]') { $placesToLook= @(if ($hc.Contains('.')) { $module, $setting = $hc -split '\.', 2 $theModule = Get-Module $module $theModule.PrivateData.Color, $theModule.PrivateData.Colors, $theModule.PrivateData.Colour, $theModule.PrivateData.Colours, $theModule.PrivateData.EZOut, $global:PSColors, $global:PSColours } else { $setting = $hc $moduleColorSetting = $theModule.PrivateData.PSColors.$setting }) foreach ($place in $placesToLook) { if (-not $place) { continue } foreach ($propName in $setting -split '\.') { $place = $place.$propName if (-not $place) { break } } if ($place -and "$place".StartsWith('#') -and 4,7 -contains "$place".Length) { $hc = $place continue } } if (-not $hc.StartsWith -or -not $hc.StartsWith('#')) { continue } } $r,$g,$b = if ($hc.Length -eq 7) { [int]::Parse($hc[1..2]-join'', 'HexNumber') [int]::Parse($hc[3..4]-join '', 'HexNumber') [int]::Parse($hc[5..6] -join'', 'HexNumber') }elseif ($hc.Length -eq 4) { [int]::Parse($hc[1], 'HexNumber') * 16 [int]::Parse($hc[2], 'HexNumber') * 16 [int]::Parse($hc[3], 'HexNumber') * 16 } if ($canUseHTML) { if ($n -eq 1) { "color:$hc" } elseif ($n -eq 2) { "background-color:$hc"} } elseif ($canUseANSI) { if ($n -eq 1) { [char]0x1b+"[38;2;$r;$g;${b}m" } elseif ($n -eq 2) { [char]0x1b+"[48;2;$r;$g;${b}m" } } }) if ($Bold) { $styleAttributes += if ($canUseHTML) { "font-weight:bold" } elseif ($canUseANSI) { '' + [char]0x1b + "[1m" } } if ($Underline) { $styleAttributes += if ($canUseHTML) { "text-decoration:underline" } elseif ($canUseANSI) { '' +[char]0x1b + "[4m" } } if ($Strikethru) { $styleAttributes += if ($canUseHTML) { "text-decoration: line-through" } elseif ($canUseANSI) { '' +[char]0x1b + "[4m" } } if ($Blink) { $styleAttributes += if ($canUseHTML) { } elseif ($canUseANSI) { '' +[char]0x1b + "[5m" } } if ($Strikethru) { $styleAttributes += if ($canUseHTML) { "text-decoration: line-through" } elseif ($canUseANSI) { [char]0x1b + "[9m" } } if ($Invert) { $styleAttributes += if ($canUseHTML) { "filter:invert(100%)" } elseif ($canUseANSI) { [char]0x1b + "[7m" } } $header = if ($canUseHTML) { "<span$( if ($styleAttributes) { " style='$($styleAttributes -join ';')'"} )$( if ($cssClasses) { " class='$($cssClasses -join ' ')'"} )>" } elseif ($canUseANSI) { $styleAttributes -join '' } } process { if ($header) { "$header" + "$(if ($inputObject) { $inputObject | Out-String})".Trim() } elseif ($inputObject) { ($inputObject | Out-String).Trim() } } end { if (-not $NoClear) { if ($canUseHTML) { "</span>" } elseif ($canUseANSI) { if ($Underline) { '' + [char]0x1b + "[24m" } if ($Strikethru) { '' + [char]0x1b + "[29m" } if ($Bold) { '' + [char]0x1b + "[21m" + '' + [char]0x1b + "[22m" } if ($Invert) { '' + [char]0x1b + '[27m' } if ($ForegroundColor) { '' + [char]0x1b + '[39m' } if ($BackgroundColor) { '' + [char]0x1b + '[49m' } if (-not ($Underline -or $Bold -or $Invert -or $ForegroundColor -or $BackgroundColor)) { '' + [char]0x1b + '[0m' } } } } } |