PowerShell-Toolmaking

1.0.0.16

Chapters/proxy-functions/snippets.ps1

# proxy base
$cmd = New-Object System.Management.Automation.CommandMetaData (Get-Command ConvertTo-HTML)
[System.Management.Automation.ProxyCommand]::Create($cmd) |
Out-File ConvertToHTMLProxy.ps1


# result
[CmdletBinding(DefaultParameterSetName='Page', HelpUri='http://go.microsoft.com/fwlink/?LinkID=113290', RemotingCapability='None')]
param(
    [Parameter(ValueFromPipeline=$true)]
    [psobject]
    ${InputObject},

    [Parameter(Position=0)]
    [System.Object[]]
    ${Property},

    [Parameter(ParameterSetName='Page', Position=3)]
    [string[]]
    ${Body},

    [Parameter(ParameterSetName='Page', Position=1)]
    [string[]]
    ${Head},

    [Parameter(ParameterSetName='Page', Position=2)]
    [ValidateNotNullOrEmpty()]
    [string]
    ${Title},

    [ValidateNotNullOrEmpty()]
    [ValidateSet('Table','List')]
    [string]
    ${As},

    [Parameter(ParameterSetName='Page')]
    [Alias('cu','uri')]
    [ValidateNotNullOrEmpty()]
    [uri]
    ${CssUri},

    [Parameter(ParameterSetName='Fragment')]
    [ValidateNotNullOrEmpty()]
    [switch]
    ${Fragment},

    [ValidateNotNullOrEmpty()]
    [string[]]
    ${PostContent},

    [ValidateNotNullOrEmpty()]
    [string[]]
    ${PreContent})

begin
{
    try {
        $outBuffer = $null
        if ($PSBoundParameters.TryGetValue('OutBuffer', [ref]$outBuffer))
        {
            $PSBoundParameters['OutBuffer'] = 1
        }
        $wrappedCmd = $ExecutionContext.InvokeCommand.GetCommand('Microsoft.PowerShell.Utility\ConvertTo-Html', [System.Management.Automation.CommandTypes]::Cmdlet)
        $scriptCmd = {& $wrappedCmd @PSBoundParameters }
        $steppablePipeline = $scriptCmd.GetSteppablePipeline($myInvocation.CommandOrigin)
        $steppablePipeline.Begin($PSCmdlet)
    } catch {
        throw
    }
}

process
{
    try {
        $steppablePipeline.Process($_)
    } catch {
        throw
    }
}

end
{
    try {
        $steppablePipeline.End()
    } catch {
        throw
    }
}
<#

.ForwardHelpTargetName Microsoft.PowerShell.Utility\ConvertTo-Html
.ForwardHelpCategory Cmdlet

#>




# modifying
function NewConvertTo-HTML {
[CmdletBinding(DefaultParameterSetName='Page', HelpUri='http://go.microsoft.com/fwlink/?LinkID=113290', RemotingCapability='None')]
param(
    [Parameter(ValueFromPipeline=$true)]
    [psobject]
    ${InputObject},

    [Parameter(Position=0)]
    [System.Object[]]
    ${Property},

    [Parameter(ParameterSetName='Page', Position=3)]
    [string[]]
    ${Body},

    [Parameter(ParameterSetName='Page', Position=1)]
    [string[]]
    ${Head},

    [Parameter(ParameterSetName='Page', Position=2)]
    [ValidateNotNullOrEmpty()]
    [string]
    ${Title},

    [ValidateNotNullOrEmpty()]
    [ValidateSet('Table','List')]
    [string]
    ${As},

    [Parameter(ParameterSetName='Page')]
    [Alias('cu','uri')]
    [ValidateNotNullOrEmpty()]
    [uri]
    ${CssUri},

    [Parameter(ParameterSetName='Fragment')]
    [ValidateNotNullOrEmpty()]
    [switch]
    ${Fragment},

    [ValidateNotNullOrEmpty()]
    [string[]]
    ${PostContent},

    [ValidateNotNullOrEmpty()]
    [string[]]
    ${PreContent})

begin
{
    try {
        $outBuffer = $null
        if ($PSBoundParameters.TryGetValue('OutBuffer', [ref]$outBuffer))
        {
            $PSBoundParameters['OutBuffer'] = 1
        }
        $wrappedCmd = $ExecutionContext.InvokeCommand.GetCommand('Microsoft.PowerShell.Utility\ConvertTo-Html', [System.Management.Automation.CommandTypes]::Cmdlet)
        
        # create our css
        $css += @'
        <style>
        th { color:white; background-color: black;}
        body { font-family: Calibri; padding: 2px }
        </style>
'@

        # was -head specified?
        if ($PSBoundParameters.ContainsKey('head')) {
            $PSBoundParameters.head += $css
        } else {
            $PSBoundParameters += @{'Head'=$css}
        }
        

        $scriptCmd = {& $wrappedCmd @PSBoundParameters }
        $steppablePipeline = $scriptCmd.GetSteppablePipeline($myInvocation.CommandOrigin)
        $steppablePipeline.Begin($PSCmdlet)
    } catch {
        throw
    }
}

process
{
    try {
        $steppablePipeline.Process($_)
    } catch {
        throw
    }
}

end
{
    try {
        $steppablePipeline.End()
    } catch {
        throw
    }
}
<#

.ForwardHelpTargetName Microsoft.PowerShell.Utility\ConvertTo-Html
.ForwardHelpCategory Cmdlet

#>
}




# add a param
$PSBoundParameters.Remove('MyNewParam')
$scriptCmd = {& $wrappedCmd @PSBoundParameters }



# remove a param
$PSBoundParameters += @{'RemovedParam'=$MyValue}
$scriptCmd = {& $wrappedCmd @PSBoundParameters }