PSADSync

1.2.88

Private/ParseScriptBlockHeaders.ps1

                                function ParseScriptBlockHeaders {

    [CmdletBinding()]

    param

    (

        [Parameter(Mandatory)]

        [ValidateNotNullOrEmpty()]

        [scriptblock[]]$FieldScriptBlock

    )

    $headers = @($FieldScriptBlock).foreach({

            $ast = [System.Management.Automation.Language.Parser]::ParseInput($_.ToString(), [ref]$null, [ref]$null)

            $ast.FindAll({ $args[0] -is [System.Management.Automation.Language.StringConstantExpressionAst] }, $true).Value

        })

    $headers | Select-Object -Unique

}