Module: Puppet::Util::Windows::COM::Interface Private

Defined in:
lib/puppet/util/windows/com.rb

Overview

This module is part of a private API. You should avoid using this module if possible, as it may be removed or be changed in the future.

code modified from Unknownr project github.com/rpeev/Unknownr licensed under MIT

Class Method Summary collapse

Class Method Details

.[](*args) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
 
# File 'lib/puppet/util/windows/com.rb', line 67

def self.[](*args)
  spec, iid, *ifaces = args.reverse

  spec.each { |name, signature| signature[0].unshift(:pointer) }

  Class.new(FFI::Struct) do
    const_set(:IID, iid)

    vtable = Class.new(FFI::Struct) do
      vtable_hash = Hash[(ifaces.map { |iface| iface::VTBL::SPEC.to_a } << spec.to_a).flatten(1)]
      const_set(:SPEC, vtable_hash)

      layout(
        *self::SPEC.map { |name, signature| [name, callback(*signature)] }.flatten
      )
    end

    const_set(:VTBL, vtable)

    layout \
      :lpVtbl, :pointer
  end
end