Module: Puppet::Util::Windows::COM::Instance

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

Class Method Summary collapse

Class Method Details

.[](iface) ⇒ Object 



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# File 'lib/puppet/util/windows/com.rb', line 130

def self.[](iface)
  Class.new(iface) do
    send(:include, Helpers)

    def initialize(pointer)
      self.pointer = pointer

      @vtbl = self.class::VTBL.new(self[:lpVtbl])
    end

    attr_reader :vtbl

    self::VTBL.members.each do |name|
      define_method(name) do |*args|
        if Puppet::Util::Windows::COM.FAILED((result = @vtbl[name].call(self, *args)))
          raise Puppet::Util::Windows::Error.new(_("Failed to call %{klass}::%{name} with HRESULT: %{result}.") % { klass: self, name: name, result: result }, result)
        end

        result
      end
    end

    layout \
      :lpVtbl, :pointer
  end
end