Show-XmlPreview

Show-XmlPreview.ps1

function ConvertTo-RegexLiteral {
    <#
    .synopsis
        sugar to quickly escape values to thier regex-literal
    .description
        .example
        $PS> Relit 'something'
    .example
        $pattern = re 'something' -AsRipGrep
        rg @('-i', $Pattern)
    .notes
    .outputs
        a literl escaped for regex
    #>
    [alias('ReLit', 'ReLiteral')]
    [CmdletBinding(PositionalBinding = $false)]
    param(
        # Text to convert to a literal
        [Alias('InputObject')]
        [Parameter( Mandatory, Position = 0, ValueFromPipeline)]
        [string[]]$Text
    )
    
    process {
        $Text | ForEach-Object {
            [regex]::Escape($_)
        }
    }
}

function Show-XmlPreview {
    <#
    .synopsis
        simple quick way to preview xml docs, even memory only
    .description
        uses bat for colorizing XML
    .example
        PS> $doc = [xml]'<?xml version="1.0" encoding="utf-8"?> <AssetFile> <Asset> <Role>None</Role> <AssetType>Computing</AssetType> </Asset> </AssetFile>'
        PS> $doc | ShowXml
    #>
    [Alias('ShowXml')]
    param(
        # Either an [XmlDocument] or filepath to one
        [Parameter(Mandatory, ValueFromPipeline, Position = 0)]
        [object]$InputObject
    )
    process {
        if (Test-Path $InputObject) {
            Write-Debug 'showXml [from file]'

            $DisplayPath = $InputObject
            $DisplayPath = $DisplayPath -replace (Relit (Get-Item Temp:\)), 'Temp:\'
            $DisplayPath = $DisplayPath -replace (relit $Env:LocalAppData), '$Env:LocalAppData'
            
            Get-Content $InputObject
            | bat -l xml --style 'header,grid' --file-name ($DisplayPath)
            Write-Debug "Should be: $($InputObject) "
            return
        }

        if ($InputObject -is 'System.Xml.XmlDocument') {
            $doc = $InputObject
            Write-Debug 'showXml [in memory]'
            $TempDest = Join-Path (Get-Item temp:) 'render.xml'
            $doc.save( $tempDest ) #| Out-Null
            showXml (Get-Item $TempDest)
            return
        }

    }
}

zScreenshot.png