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<#
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.SYNOPSIS
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This is a Powershell script to dump console buffer as html to file.
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.DESCRIPTION
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This Powershell script will iterate over the current console buffer and
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output it as html preserving colors.
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.PARAMETER FilePath
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Specifies the path to the output file.
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.PARAMETER Encoding
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Specifies the type of character encoding used in the file. Valid values are "Unicode", "UTF7", "UTF8", "UTF32", "ASCII", "BigEndianUnicode", default is UTF8
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.PARAMETER Last
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Specifies the rows to output from the end of the buffer
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.PARAMETER SkipLast
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Skips last buffer row in output
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#>
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Param(
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[Parameter(Mandatory=$true)]
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[ValidateScript({ ![String]::IsNullOrWhiteSpace($_) })]
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[string] $FilePath,
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[ValidateSet("Unicode", "UTF7", "UTF8", "UTF32", "ASCII", "BigEndianUnicode")]
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[string] $Encoding = "UTF8",
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[int] $Last = 0,
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[switch]$SkipLast
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)
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Function ToHex ([System.ConsoleColor] $color)
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{
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switch($color)
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{
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"Black" { "#000000" }
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"DarkBlue" { "#012456" }
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"DarkGreen" { "#005711" }
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"DarkCyan" { "#007680" }
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"DarkRed" { "#6F0711" }
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"DarkMagenta" { "#6F0780" }
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"DarkYellow" { "#888F11" }
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"Gray" { "#878E98" }
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"DarkGray" { "#666D77" }
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"Blue" { "#0000FF" }
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"Green" { "#00FF00" }
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"Cyan" { "#00FFFF" }
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"Red" { "#FF0000" }
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"Magenta" { "#FF00FF" }
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"Yellow" { "#FFFF00" }
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"White" { "#FFFFFF" }
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default { throw "Unknown color: $color" }
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}
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}
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if ($host.Name -ne "ConsoleHost")
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{
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throw "Console host $($host.Name) not supported";
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}
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$state = @{
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Width = $host.ui.rawui.BufferSize.Width
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Height = if($SkipLast.IsPresent) { $host.ui.rawui.CursorPosition.Y - 1 } else { $host.ui.rawui.CursorPosition.Y }
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Rect = (new-object System.Management.Automation.Host.Rectangle 0,0, ($host.ui.rawui.BufferSize.Width-1), $host.ui.rawui.CursorPosition.Y)
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DefaultBackgroundColor = [System.ConsoleColor]::DarkMagenta
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DefaultForegroundColor = [System.ConsoleColor]::White
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}
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$buffer = $host.ui.rawui.GetBufferContents($state.Rect)
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$currentForegroundColor = $state.DefaultForegroundColor
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$currentBackgroundColor = $state.DefaultBackgroundColor
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$outputBuilder = new-object System.Text.StringBuilder
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$inSpan = $false;
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[void]$outputBuilder.AppendLine("<body>")
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[void]$outputBuilder.Append("<pre style=`"display: inline-block;padding:2px;border:2px solid black;font-size:10px;font-family: Consolas, 'Lucida Console', Monaco, monospace;color:$(ToHex([System.ConsoleColor]::White));background-color:$(ToHex([System.ConsoleColor]::DarkBlue))`">")
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$firstRow = 0
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if($Last -gt 0 -and ($state.Height -$Last) -gt 0)
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{
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$firstRow = $state.Height - $Last;
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}
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for ($row=$firstRow; $row -lt $state.Height; $row++)
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{
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for($col = 0; $col -lt $state.Width; $col++)
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{
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$cell = $buffer[$row, $col]
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if ($currentForegroundColor -ne $cell.ForegroundColor -or $currentBackgroundColor -ne $cell.BackgroundColor)
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{
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$currentForegroundColor = $cell.ForegroundColor
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$currentBackgroundColor = $cell.BackgroundColor
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if ($inSpan)
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{
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[void]$outputBuilder.Append("</span>")
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$inSpan = $false
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}
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if (($currentForegroundColor -ne $state.DefaultForegroundColor -and $currentForegroundColor -ne [System.ConsoleColor]::DarkYellow) -or $currentBackgroundColor -ne $state.DefaultBackgroundColor)
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{
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[void]$outputBuilder.Append("<span style=`"")
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if ($currentForegroundColor -ne $state.DefaultForegroundColor -and $currentForegroundColor -ne [System.ConsoleColor]::DarkYellow)
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{
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[void]$outputBuilder.Append("color:$(ToHex($currentForegroundColor))")
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}
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if ($currentBackgroundColor -ne $state.DefaultBackgroundColor)
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{
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[void]$outputBuilder.Append(";background-color:$(ToHex($currentBackgroundColor))")
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}
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[void]$outputBuilder.Append("`">")
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$inSpan = $true
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}
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}
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switch($cell.Character)
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{
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"<" { [void]$outputBuilder.Append("<") }
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">" { [void]$outputBuilder.Append(">") }
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default { [void]$outputBuilder.Append($cell.Character) }
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}
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}
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for ($index = $outputBuilder.Length-1; $outputBuilder.Length -gt 0 -and [String]::IsNullOrWhiteSpace($outputBuilder[$index]); $index--)
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{
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[void]$outputBuilder.Remove($index, 1);
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}
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if ($inSpan)
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{
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[void]$outputBuilder.Append("</span>")
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$inSpan = $false;
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}
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[void]$outputBuilder.AppendLine()
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}
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[void]$outputBuilder.AppendLine("</pre>")
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[void]$outputBuilder.AppendLine("</body>")
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$outputBuilder.ToString()|Out-File -FilePath $FilePath -Encoding $Encoding |
