Out-FormatData.ps1
function Out-FormatData { <# .Synopsis Takes a series of format views and format actions and outputs a format data XML .Description A Detailed Description of what the command does .Example # Create a quick view for any XML element. # Piping it into Out-FormatData will make one or more format views into a full format XML file # Piping the output of that into Add-FormatData will create a temporary module to hold the formatting data # There's also a Remove-FormatData and Write-FormatView -TypeName "System.Xml.XmlNode" -Wrap -Property "Xml" -VirtualProperty @{ "Xml" = { $strWrite = New-Object IO.StringWriter ([xml]$_.Outerxml).Save($strWrite) "$strWrite" } } | Out-FormatData #> [OutputType([string])] param( # The Format XML Document. The XML document can be supplied directly, # but it's easier to use Write-FormatView to create it [Parameter(Mandatory=$true, ValueFromPipeline=$true)] [ValidateScript({ if ((-not $_.View) -and (-not $_.Control) -and (-not $_.SelectionSet)) { throw "The root of a format XML most contain either a View or a Control element" } return $true })] [Xml] $FormatXml, # The name of the module the format.ps1xml applies to. # This is required if you are using colors. # This is required if you use any dynamic parts (named script blocks stored a /Parts) directory. [string] $ModuleName = 'EZOut') begin { $views = "" $controls = "" $selectionSets = "" function findUsedParts { param( [Parameter(Mandatory,ValueFromPipelineByPropertyName)] [Alias('InnerText','ScriptBlock','ScriptContents')] [string]$InScript, [PSModuleInfo[]] $FromModule = @(Get-Module), # If set, will look for a part globally if it does not find in any of the modules. [switch] $AllowGlobal ) begin { if (-not $script:LookedUpCommands) { $script:LookedUpCommands = @{} } if (-not $script:CommandModuleLookup) { $script:CommandModuleLookup = @{} } $GetVariableValue = { param($name) $ExecutionContext.SessionState.PSVariable.Get($name).Value } } process { $in = $_ $inScriptBlock = try { [scriptblock]::Create($InScript) } catch { $null } if ($inScriptBlock.Ast) { $cmdRefs = @($inScriptBlock.Ast.FindAll({ param($ast) if ($ast -is [Management.Automation.Language.CommandAst]) { $ast } }, $true)) foreach ($cmd in $cmdRefs) { $variableName = if ($cmd.CommandElements[0].VariablePath) { "$($cmd.CommandElements[0].VariablePath)" } else { '' } $commandName = if ($cmd.CommandElements[0].Value) { $cmd.CommandElements[0].Value } if (-not ($variableName -or $commandName)) { continue } $foundCommand = foreach ($module in $FromModule) { $foundIt = if ($variableName) { & $module $GetVariableValue $variableName } elseif ($commandName) { $script:CommandModuleLookup["$commandName"] = $module $module.ExportedCommands[$commandName] } if ($foundIt -and $variableName) { $script:CommandModuleLookup[$variableName] = $module if ($foundIt -is [ScriptBlock]) { $PSBoundParameters.InScript = "$foundIt" if ("$foundIt") { & $MyInvocation.MyCommand.ScriptBlock @PSBoundParameters } } $foundIt; break } elseif ($foundIt -and $commandName) { $script:CommandModuleLookup[$commandName] = $module $foundIt } } if (-not $foundCommand -and $AllowGlobal) { $foundCommand = & $getVariableValue $variableName } if ($variableName) { $script:LookedUpCommands["$variableName"] = $foundCommand $PartName = "$variableName" } elseif ($commandName) { $script:LookedUpCommands["& $commandName"] = if ($foundCommand.ScriptBlock) { $foundCommand.ScriptBlock } elseif ($foundCommand.ResolvedCommand.ScriptBlock) { $foundCommand.ResolvedCommand.ScriptBlock } else { $isOk = $false } $PartName = "& $commandName" $isOk = foreach ($attr in $foundCommand.ScriptBlock.Attributes) { if ($attr -is [Management.Automation.CmdletAttribute]){ $extensionCommandName = ( ($attr.VerbName -replace '\s') + '-' + ($attr.NounName -replace '\s') ) -replace '^\-' -replace '\-$' if ('Format-Object' -match $extensionCommandName) { $true break } } } if (-not $isOk) { continue } } [PSCustomObject][Ordered]@{ Name = $PartName CommandName = $commandName VariableName = $variableName ScriptBlock = $script:LookedUpCommands[$PartName] Module = $script:CommandModuleLookup[$PartName] FindInput = $in } } } } } filter ReplaceParts { if ($DebugPreference -ne 'silentlyContinue') { $in = $_ if ($in.InnerText) { return $in.InnerText} else { return $in } } $inScriptBlock = try { [scriptblock]::Create($_) } catch { $null } $inScriptString = "$inScriptBlock" $cmdRefs = @($inScriptBlock.Ast.FindAll({ param($ast) if ($ast -is [Management.Automation.Language.CommandAst]) { $ast } }, $true)) $replacements = @() foreach ($cmd in $cmdRefs) { $partName = if ($cmd.CommandElements[0].VariablePath) { "$($cmd.CommandElements[0].VariablePath)" } elseif ($cmd.CommandElements[0].Value) { "& $($cmd.CommandElements[0].Value)" } else { ''} foreach ($part in $foundParts) { if ("$($part.Name)" -eq $partName) { $replacements += @{ Ast = $cmd.CommandElements[0] ReplacementText = if ($newPartNames.$partName) { $newPartNames.$partName} else {$partName} } break } } } $stringBuilder = [Text.StringBuilder]::new() $stringIndex =0 $null = for ($rc = 0; $rc -lt $replacements.Length; $rc++) { if ($replacements[$rc].Ast.Extent.StartOffset -gt $stringIndex) { $stringBuilder.Append($inScriptString.Substring($stringIndex, $replacements[$rc].Ast.Extent.StartOffset - $stringIndex)) } $stringBuilder.Append($replacements[$rc].ReplacementText) $stringIndex = $replacements[$rc].Ast.extent.Endoffset } $null = $stringBuilder.Append($inScriptString.Substring($stringIndex)) "$stringBuilder" } $importFormatParts = { do { $lm = Get-Module -Name $moduleName -ErrorAction Ignore if (-not $lm) { continue } if ($lm.FormatPartsLoaded) { break } $wholeScript = @(foreach ($formatFilePath in $lm.exportedFormatFiles) { foreach ($partNodeName in Select-Xml -LiteralPath $formatFilePath -XPath "/Configuration/Controls/Control/Name[starts-with(., '$')]") { $ParentNode = $partNodeName.Node.ParentNode "$($ParentNode.Name)={ $($ParentNode.CustomControl.CustomEntries.CustomEntry.CustomItem.ExpressionBinding.ScriptBlock)}" } }) -join [Environment]::NewLine New-Module -Name "${ModuleName}.format.ps1xml" -ScriptBlock ([ScriptBlock]::Create(($wholeScript + ';Export-ModuleMember -Variable *'))) | Import-Module -Global $onRemove = [ScriptBlock]::Create("Remove-Module '${ModuleName}.format.ps1xml'") if (-not $lm.OnRemove) { $lm.OnRemove = $onRemove } else { $lm.OnRemove = [ScriptBlock]::Create($onRemove.ToString() + '' + [Environment]::NewLine + $lm.OnRemove) } $lm | Add-Member NoteProperty FormatPartsLoaded $true -Force } while ($false) } } process { if ($FormatXml.View) { $views += "<View>$($FormatXml.View.InnerXml)</View>" } elseif ($FormatXml.Control) { $controls += "<Control>$($FormatXml.Control.InnerXml)</Control>" } elseif ($FormatXml.SelectionSet) { $selectionSets += "<SelectionSet>$($FormatXml.SelectionSet.InnerXml)</SelectionSet>" } } end { $newPartNames = @{} $configuration = " <!-- Generated with EZOut $($MyInvocation.MyCommand.Module.Version): Install-Module EZOut or https://github.com/StartAutomating/EZOut --> <Configuration> " if ($selectionSets) { $configuration += "<SelectionSets>$selectionSets</SelectionSets>" } if ($Controls) { $Configuration+="<Controls>$Controls</Controls>" } if ($Views) { $Configuration+="<ViewDefinitions>$Views</ViewDefinitions>" } $configuration += "</Configuration>" $configurationXml = [xml]$configuration if (-not $configurationXml) { return } # Now we need to go looking parts used within <ScriptBlock> elements. # Before we do, we need to determine where to look. if (-not $PSBoundParameters.ContainsKey('ModuleName')) # If no -ModuleName was provided, { $callStackPeek = @(Get-PSCallStack) # use call stack peeking $callingFile = $callStackPeek[1].InvocationInfo.MyCommand.ScriptBlock.File # to find the calling file $fromEzOutFile = $callingFile -like '*.ez*.ps1' # and see if it's an EZOut file if ($fromEzOutFile) { # If it is, $moduleName = ($callingFile | Split-Path -Leaf) -replace '\.ezformat\.ps1','' # guess Write-Warning "No -ModuleName provided, guessing $ModuleName" # then warn that we guessed. } } $modulesThatMayHaveParts = @( $theModule = $null $theModuleExtensions = @() $myModule = $MyInvocation.MyCommand.ScriptBlock.Module $myModuleExtensions = @() $loadedModules = Get-Module foreach ($lm in $loadedModules) { if ($moduleName -and $lm.Name -eq $moduleName) { $theModule = $lm foreach ($_ in $theModule.RequiredModules) { if ($moduleName -and ( ($_.Name -eq $moduleName) -or ($_.PrivateData.PSData.Tags -contains $ModuleName)) ) { $theModuleExtensions += $lm } } } foreach ($_ in $lm.RequiredModules) { if ($myModule -and ( ($_.Name -eq $myModule.Name) -or ($_.PrivateData.PSData.Tags -contains $myModule.Name)) ) { $myModuleExtensions += $lm } } } $theModule $theModuleExtensions $myModule $myModuleExtensions ) | Select-Object -Unique $foundParts = # See if the XML refers to any parts @($configurationXml.SelectNodes("//ScriptBlock") | Where-Object InnerText) | findUsedParts -FromModule $modulesThatMayHaveParts # If any parts are found, we'll need to embed them and bootstrap the loader if ($foundParts -and $DebugPreference -eq 'silentlyContinue') { if (-not $moduleName) # To do this, we need a -ModuleName, so we if we still don't have one. { Write-Error "A -ModuleName must be provided to use advanced features" # error return # and return. } $alreadyEmbedded = @() $embedControls = @(foreach ($part in $foundParts) { # and embed each part in a comment if ($alreadyEmbedded -contains $part.Name) { continue } $partName = if ($part.Name -match '\w+' -or $moduleName -match '\w+') { "`${${ModuleName}_$($part.Name -replace '^[&\.] ')}" } else { "`$${ModuleName}_$($part.Name -replace '^[&\.] ')" } if ($partName -and $part.ScriptBlock -and $alreadyEmbedded -notcontains $partName) { $newPartNames["$($part.Name)"]= if ($part.CommandName) { "& $partName" } else { "$partName"} Write-FormatView -AsControl -Name "$partName" -Action $part.ScriptBlock -TypeName 'n/a' } $alreadyEmbedded += $part.Name }) $controlsElement = if (-not $configurationXml.Configuration.Controls) { $configurationXml.CreateNode([Xml.XmlNodeType]::Element,'Controls','') } else { $configurationXml.Configuration.Controls } foreach ($ec in $embedControls) { $ecx = [xml]$ec $controlsElement.InnerXml += $ecx.Control.OuterXml } if (-not $configurationXml.Configuration.Controls) { # If we didn't already have controls $null = $configurationXml.Configuration.AppendChild($controlsElement) # add the <Controls> element } else { $foundParts = # Otherwise, we need to find our parts again, because the XML has changed @($configurationXml.SelectNodes("//ScriptBlock")) | # and we want to rewrite the part references. findUsedParts -FromModule $modulesThatMayHaveParts } $lastEntryNode = $null $replacedItIn = @() foreach ($fp in $foundParts) { if (-not $fp.ScriptBlock) { continue } $newScriptText = @( if ($lastEntryNode -ne $fp.FindInput.ParentNode.ParentNode.ParentNode) { # If the grandparent node is a distinct <Entry>, # we need to bootload the parts (because this is a potential entry point) "`$moduleName = '$($ModuleName.Replace("'","''"))'" "$ImportFormatParts" } if ($replacedItIn -notcontains $fp.FindInput) { $fp.FindInput.InnerText | ReplaceParts $replacedItIn += $fp.FindInput } else { $fp.FindInput.InnerText } ) -join [Environment]::NewLine $lastEntryNode = $fp.FindInput.ParentNode.ParentNode.ParentNode $fp.FindInput.InnerText = $newScriptText } } if (-not $configurationXml) { return } $strWrite = [IO.StringWriter]::new() $configurationXml.Save($strWrite) return "$strWrite" } } |