psrod

0.0.1

Public/Imported/ConvertFrom-PS2MD.ps1

Function ConvertFrom-PS2MD {
    <#
.SYNOPSIS
    Converts the comment-based help of a PowerShell script to Markdown
.DESCRIPTION
    This PowerShell script converts the comment-based help of a PowerShell script to Markdown.
.PARAMETER filename
    Specifies the path to the PowerShell script
.EXAMPLE
    PS> ./convert-ps2md myscript.ps1
.LINK
    https://github.com/fleschutz/PowerShell
.NOTES
    Author: Markus Fleschutz / License: CC0
#>

    param([string]$filename = "")

    function EncodePartOfHtml {
        param([string]$Value)
    ($Value -replace '<', '&lt;') -replace '>', '&gt;'
    }

    function GetCode {
        param($Example)
        $codeAndRemarks = (($Example | Out-String) -replace ($Example.title), '').Trim() -split "`r`n"

        $code = New-Object "System.Collections.Generic.List[string]"
        for ($i = 0; $i -lt $codeAndRemarks.Length; $i++) {
            if ($codeAndRemarks[$i] -eq 'DESCRIPTION' -and $codeAndRemarks[$i + 1] -eq '-----------') { break }
            if ($codeAndRemarks[$i] -eq '' -and $codeAndRemarks[$i + 1] -eq '') { continue }
            if (1 -le $i -and $i -le 2) { continue }
            $codeAndRemarks[$i] = ($codeAndRemarks[$i] | Out-String) -replace "PS>", "PS> "
            $code.Add($codeAndRemarks[$i])
        }

        $code -join "`r`n"
    }

    function GetRemark {
        param($Example)
        $codeAndRemarks = (($Example | Out-String) -replace ($Example.title), '').Trim() -split "`r`n"

        $isSkipped = $false
        $remark = New-Object "System.Collections.Generic.List[string]"
        for ($i = 0; $i -lt $codeAndRemarks.Length; $i++) {
            if (!$isSkipped -and $codeAndRemarks[$i - 2] -ne 'DESCRIPTION' -and $codeAndRemarks[$i - 1] -ne '-----------') {
                continue
            }
            $isSkipped = $true
            $remark.Add($codeAndRemarks[$i])
        }

        $remark -join "`r`n"
    }

    try {
        if ($filename -eq "") { $filename = read-host "Enter path to PowerShell script" }
        $ScriptName = (get-item "$filename").Name

        $full = Get-Help $filename -Full

        "## $ScriptName - $($full.Synopsis)"

        $Description = ($full.description | Out-String).Trim()
        if ($Description -ne "") {
            ""
            "$Description"
        }

        ""
        "## Parameters"
        "``````powershell"
        $Syntax = (($full.syntax | Out-String) -replace "`r`n", "`r`n").Trim()
        $Syntax = (($Syntax | Out-String) -replace "/home/mf/PowerShell/Scripts/", "")
        if ($Syntax -ne "") {
            "$Syntax"
        }

        foreach ($parameter in $full.parameters.parameter) {
            "$(((($parameter | Out-String).Trim() -split "`r`n")[-5..-1] | ForEach-Object { $_.Trim() }) -join "`r`n")"
            ""
        }
        "[<CommonParameters>]"
        " This script supports the common parameters: Verbose, Debug, ErrorAction, ErrorVariable, WarningAction, "
        " WarningVariable, OutBuffer, PipelineVariable, and OutVariable."
        "``````"

        foreach ($input in $full.inputTypes.inputType) {
            ""
            "## Inputs"
            "$($input.type.name)"
        }

        foreach ($output in $full.outputTypes.outputType) {
            ""
            "## Outputs"
            "$($output.type.name)"
        }

        foreach ($example in $full.examples.example) {
            ""
            "## Example"
            "``````powershell"
            "$(GetCode $example)"
            "``````"
        }

        $Notes = ($full.alertSet.alert | Out-String).Trim()
        if ($Notes -ne "") {
            ""
            "## Notes"
            "$Notes"
        }

        $Links = ($full.relatedlinks | Out-String).Trim()
        if ($Links -ne "") {
            ""
            "## Related Links"
            "$Links"
        }

        ""
        "*Generated by convert-ps2md.ps1 using the comment-based help of $ScriptName*"
    }
    catch {
        "⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
        # exit 1
    }
}