coreclr/init.ps1
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# adds ANSI escape support for Windows PowerShell if ($PSEdition -eq "Desktop") { # older terminals require manually enabling support for ANSI function Enable-ANSIEscapes { # Enable ANSI / VT100 16-color escape sequences: # Original discovery blog post: # http://stknohg.hatenablog.jp/entry/2016/02/22/195644 # Esc sequence support documentation # https://msdn.microsoft.com/en-us/library/windows/desktop/mt638032(v=vs.85).aspx # This doesn't do anything if the type is already added, so don't worry # about doing this every single time, I guess Add-Type -MemberDefinition @" [DllImport("kernel32.dll", SetLastError=true)] public static extern bool SetConsoleMode(IntPtr hConsoleHandle, int mode); [DllImport("kernel32.dll", SetLastError=true)] public static extern IntPtr GetStdHandle(int handle); [DllImport("kernel32.dll", SetLastError=true)] public static extern bool GetConsoleMode(IntPtr handle, out int mode); "@ -Namespace Win32 -Name NativeMethods # GetStdHandle: https://msdn.microsoft.com/en-us/library/windows/desktop/ms683231(v=vs.85).aspx # -11 is the code for STDOUT (-10 is STDIN, -12 is STDERR) $Handle = [Win32.NativeMethods]::GetStdHandle(-11) # GetConsoleMode: https://msdn.microsoft.com/en-us/library/windows/desktop/ms683167(v=vs.85).aspx # get the console "mode" --- contains info about how to handle # wrapping, etc. $Mode is set by reference by GetConsoleMode $Mode = 0 [Win32.NativeMethods]::GetConsoleMode($Handle, [ref]$Mode) # the mode is a bitmask so we binary or with 0x0004 # (ENABLE_VIRTUAL_TERMINAL_PROCESSING) # SetConsoleMode: https://msdn.microsoft.com/en-us/library/windows/desktop/ms686033(v=vs.85).aspx return [Win32.NativeMethods]::SetConsoleMode($Handle, $Mode -bor 4) } class ForegroundStyle { [string]$Black = "$([char]0x1b)[30m" [string]$Red = "$([char]0x1b)[31m" [string]$Green = "$([char]0x1b)[32m" [string]$Yellow = "$([char]0x1b)[33m" [string]$Blue = "$([char]0x1b)[34m" [string]$Magenta = "$([char]0x1b)[35m" [string]$Cyan = "$([char]0x1b)[36m" [string]$White = "$([char]0x1b)[37m" [string]$BrightBlack = "$([char]0x1b)[90m" [string]$BrightRed = "$([char]0x1b)[91m" [string]$BrightGreen = "$([char]0x1b)[92m" [string]$BrightYellow = "$([char]0x1b)[93m" [string]$BrightBlue = "$([char]0x1b)[94m" [string]$BrightMagenta = "$([char]0x1b)[95m" [string]$BrightCyan = "$([char]0x1b)[96m" [string]$BrightWhite = "$([char]0x1b)[97m" } class BackgroundStyle { [string]$Black = "$([char]0x1b)[40m" [string]$Red = "$([char]0x1b)[41m" [string]$Green = "$([char]0x1b)[42m" [string]$Yellow = "$([char]0x1b)[43m" [string]$Blue = "$([char]0x1b)[44m" [string]$Magenta = "$([char]0x1b)[45m" [string]$Cyan = "$([char]0x1b)[46m" [string]$White = "$([char]0x1b)[47m" [string]$BrightBlack = "$([char]0x1b)[100m" [string]$BrightRed = "$([char]0x1b)[101m" [string]$BrightGreen = "$([char]0x1b)[102m" [string]$BrightYellow = "$([char]0x1b)[103m" [string]$BrightBlue = "$([char]0x1b)[104m" [string]$BrightMagenta = "$([char]0x1b)[105m" [string]$BrightCyan = "$([char]0x1b)[106m" [string]$BrightWhite = "$([char]0x1b)[107m" } class PSFormattingStyle { [string]$FormatAccent = "$([char]0x1b)[32;1m" [string]$TableHeader = "$([char]0x1b)[32;1m" [string]$ErrorAccent = "$([char]0x1b)[36;1m" [string]$Error = "$([char]0x1b)[31;1m" [string]$Warning = "$([char]0x1b)[33;1m" [string]$Verbose = "$([char]0x1b)[33;1m" [string]$Debug = "$([char]0x1b)[33;1m" } class PSProgressStyle { [string]$ProgressStyle = "$([char]0x1b)[33;1m" [int]$MaxWidth = 120 [int]$View = 0 [bool]$UseOSCIndicator = $false } class PSStyleFileInfo { [string]$Directory = "$([char]0x1b)[44;1m" [string]$SymbolicLink = "$([char]0x1b)[36;1m" [string]$Executable = "$([char]0x1b)[32;1m" [string[]]$Extensions = @( ".zip", ".tgz", ".gz", ".tar", ".nupkg", ".cab", ".7z", ".ps1", ".psd1", ".psm1", ".ps1xml" ) } class PSStyle { [int]$OutputRendering = 0 $Formatting = [PSFormattingStyle]::new() $Background = [BackgroundStyle]::new() $Foreground = [ForegroundStyle]::new() $FileInfo = [PSStyleFileInfo]::new() [string]$Blink = "$([char]0x1b)[5m" [string]$BlinkOff = "$([char]0x1b)[25m" [string]$Bold = "$([char]0x1b)[1m" [string]$BoldOff = "$([char]0x1b)[22m" [string]$Hidden = "$([char]0x1b)[8m" [string]$HiddenOff = "$([char]0x1b)[28m" [string]$Reverse = "$([char]0x1b)[7m" [string]$ReverseOff = "$([char]0x1b)[27m" [string]$Italic = "$([char]0x1b)[3m" [string]$ItalicOff = "$([char]0x1b)[23m" [string]$Underline = "$([char]0x1b)[4m" [string]$UnderlineOff = "$([char]0x1b)[24m" [string]$Strikethrough = "$([char]0x1b)[9m" [string]$StrikethroughOff = "$([char]0x1b)[29m" [string]$Reset = "$([char]0x1b)[0m" } function Test-Ansi { [OutputType([bool])] param() return $host.Name -like "*ISE*" } function Get-PSStyle { [OutputType([PSStyle])] param() if (!(Test-Ansi)) { Write-Host "$($host.Name) does not support ANSI escapes." -ForegroundColor Yellow } return [PSStyle]::new() } function Test-PSStyle { param( [Parameter(Position = 0)] [string]$TestMessage = "Test Message" ) function Show-TestMessage { param( [string]$Header, [string]$Name, [string]$AnsiEscape, [string]$Message ) $isFg = $Header -like "*Foreground*" if ($isFg) { $opt1 = $PSStyle.Background.Black $opt2 = $PSStyle.Background.White } else { $opt1 = $PSStyle.Foreground.White $opt2 = $PSStyle.Foreground.Black } $testString = "$AnsiEscape$($opt1)$Message$($PSStyle.Reset) $AnsiEscape$($opt2)$Message$($PSStyle.Reset)" $text = [string]::Format("{0}.{1,-13}: {2}", $Header, $Name, $testString) Write-Host $text } if ([string]::IsNullOrWhiteSpace($TestMessage)) { $TestMessage = "Test Message" } $colors = $PSStyle.Foreground | Get-Member -MemberType Property | Where-Object Name -NotLike "Bright*" | Select-Object -ExpandProperty Name $colorType = @("Foreground", "Background") foreach ($styleType in $colorType) { # foreground colors foreach ($color in $colors) { $format = $PSStyle.$styleType $colorStyle = $format."$color" $brightColorStyle = $format."Bright$color" Show-TestMessage -Header $styleType -Name $color -AnsiEscape $colorStyle -Message $TestMessage Show-TestMessage -Header $styleType -Name "Bright$color" -AnsiEscape $brightColorStyle -Message $TestMessage } } } $PSStyle = [PSStyle]::new() Enable-ANSIEscapes } |