functions/Get-PSTypeExtension.ps1
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Function Get-PSTypeExtension { [CmdletBinding()] [OutputType('PSTypeExtension')] Param( [Parameter( Position = 0, Mandatory, HelpMessage = 'Enter the name of type like System.IO.FileInfo', ValueFromPipelineByPropertyName, ValueFromPipeline )] [ValidateNotNullOrEmpty()] [String]$TypeName, [Parameter( HelpMessage = 'Enter a comma separated list of member names', ParameterSetName = 'members' )] [string[]]$Members, [Parameter(HelpMessage = 'Show CodeProperty custom properties')] [Switch]$CodeProperty ) Begin { Write-Verbose "Starting: $($MyInvocation.MyCommand)" $TypeData = @() } #begin Process { Write-Verbose 'Converting TypeName to proper type' $TypeName = _convertTypeName $TypeName Write-Verbose "Analyzing $TypeName" if ($TypeName) { Write-Verbose 'Getting type data' $TypeData += Get-TypeData -TypeName $TypeName } else { Write-Warning 'Failed to get a TypeName' #bail out $TypeData = $False return } } #process End { if ($TypeData) { $TypeData = $TypeData | Select-Object -Unique $out = [System.Collections.Generic.List[object]]::new() if (-Not $Members) { Write-Verbose 'Getting all member names' $Members = $TypeData.members.keys } foreach ($name in $Members) { Try { Write-Verbose "Analyzing member $name" $member = $TypeData.members[$name] $datatype = $member.GetType().name Write-Verbose "Processing type $datatype" Switch ($datatype) { 'AliasPropertyData' { $def = [PSCustomObject]@{ PSTypeName = 'PSTypeExtension' MemberType = 'AliasProperty' MemberName = $member.name Value = $member.ReferencedMemberName TypeName = $TypeName } } #alias 'ScriptPropertyData' { if ($member.GetScriptBlock) { $code = $member.GetScriptBlock.ToString() } else { $code = $member.SetScriptBlock.ToString() } $def = [PSCustomObject]@{ PSTypeName = 'PSTypeExtension' MemberType = 'ScriptProperty' MemberName = $member.name Value = $code TypeName = $TypeName } } #scriptproperty 'ScriptMethodData' { $def = [PSCustomObject]@{ PSTypeName = 'PSTypeExtension' MemberType = 'ScriptMethod' MemberName = $member.name Value = $member.script.ToString().trim() TypeName = $TypeName } } #scriptmethod 'NotePropertyData' { $def = [PSCustomObject]@{ PSTypeName = 'PSTypeExtension' MemberType = 'NoteProperty' MemberName = $member.name Value = $member.Value TypeName = $TypeName } } #NoteProperty 'CodePropertyData' { #only show these if requested with -CodeProperty if ($CodeProperty) { if ($member.GetCodeReference) { $code = $member.GetCodeReference.ToString() } else { $code = $member.SetCodeReference.ToString() } $def = [PSCustomObject]@{ PSTypeName = 'PSTypeExtension' MemberType = 'CodeProperty' MemberName = $member.name Value = $code TypeName = $TypeName } } else { $def = $False } } #codeproperty Default { Write-Warning "Cannot process $datatype type for $($TypeData.TypeName)." $def = [PSCustomObject]@{ PSTypeName = 'PSTypeExtension' MemberType = $datatype MemberName = $member.name Value = $member.Value TypeName = $TypeName } } } if ($def) { $out.Add($def) } } Catch { Write-Warning "Could not find an extension member called $name" Write-Debug $_.exception.message } } #foreach #write sorted results $out | Sort-Object -Property MemberType, Name } else { Write-Warning "Failed to find any type extensions for [$TypeName]." } Write-Verbose "Ending: $($MyInvocation.MyCommand)" } } #end Get-PSTypeExtension |