Module: WindowsCOM::COMInterface_

Defined in:

lib/windows_com/common.rb

Class Method Summary

• .[](vtbl, siid) ⇒ Object

Class Method Details

.[](vtbl, siid) ⇒ Object

# File 'lib/windows_com/common.rb', line 184

def self.[](vtbl, siid)
	Class.new {
		const_set :Vtbl, vtbl
		const_set :IID, WindowsCOM::GUID[siid]

		def initialize(pointer)
			@vptr = WindowsCOM::COMVptr_.new(pointer)
			@vtbl = self.class::Vtbl.new(@vptr[:lpVtbl])
		end

		attr_reader :vptr, :vtbl

		def to_ptr
			@vptr.pointer
		end

		self::Vtbl.members.each { |name, sig|
			define_method(name) { |*args|
				args.unshift(@vptr) # prepend *this* ptr for FFI func call

				STDERR.puts [:vt_call, self.class, name, args].inspect if
					WINDOWS_COM_TRACE_CALL_ARGS

				@vtbl[name].call(*args)
			}
		}
	}
end