Public/interface.ps1
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using namespace System.Collections.Generic using namespace System.Reflection using namespace System.Reflection.Emit function interface { param( [Parameter(Mandatory = $true, Position = 0)] [ValidatePattern('^[\p{Lu}\p{Ll}\p{Lt}\p{Lm}\p{Lo}][\p{Lu}\p{Ll}\p{Lt}\p{Lm}\p{Lo}\p{Nl}\p{Mn}\p{Mc}\p{Nd}\p{Pc}\p{Cf}]*$')] [string]$Name, [Parameter(Mandatory = $true, Position = 1)] [ValidateScript({ -not ( @($_.Ast.FindAll({ param($AST) $AST -is [System.Management.Automation.Language.CommandAst] },$true) |ForEach-Object GetCommandName) |Where-Object { $_ -notin 'property','method','event' } ) -or $(throw 'Only properties and methods can be defined in an interface') })] [scriptblock]$Definition, [Parameter()] [ValidateScript({-not($_ |Where-Object{-not $_.IsInterface})})] [type[]]$Implements, [Parameter()] [switch]$PassThru = $false ) if($Name -cnotlike 'I*'){ Write-Warning -Message "Naming rule violaion: Missing prefix: 'I'" } $interfaceAttributes = @( 'Public','Interface','Abstract','AnsiClass','AutoLayout' ) -as [TypeAttributes] $assemblyBuilder = New-AssemblyBuilder -Name $Name $moduleBuilder = $assemblyBuilder.DefineDynamicModule("__psinterfacemodule_$assemblyName") $Legislator = $moduleBuilder.DefineType($Name, $interfaceAttributes) if($PSBoundParameters.ContainsKey('Implements')){ foreach($interfaceImpl in $Implements |Sort-Object -Property FullName -Unique){ try{ $Legislator.AddInterfaceImplementation($interfaceImpl) } catch{ throw return } } } try{ $null = . $Definition $finalType = $Legislator.CreateType() if($PassThru){ return $finalType } } catch{ throw } } |