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 |