Class: GObjectIntrospection::Loader::Invoker

Inherits:
Object
  • Object
show all
Defined in:
lib/gobject-introspection/loader.rb

Instance Method Summary collapse

Constructor Details

#initialize(info, method_name, full_method_name) ⇒ Invoker

Returns a new instance of Invoker.



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# File 'lib/gobject-introspection/loader.rb', line 587

def initialize(info, method_name, full_method_name)
  @info = info
  @method_name = method_name
  @full_method_name = full_method_name
  @prepared = false
end

Instance Method Details

#invoke(receiver, arguments, block) ⇒ Object 



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# File 'lib/gobject-introspection/loader.rb', line 594

def invoke(receiver, arguments, block)
  ensure_prepared

  if receiver and @function_info_p
    arguments.unshift(receiver)
  end

  arguments, block = build(receiver, arguments, block)
  unless valid?(arguments)
    if @on_invalid == :fallback
      return @value_on_invalid
    else
      raise ArgumentError, invalid_error_message(invoke_arguments)
    end
  end

  if block.nil? and @require_callback_p
    receiver.to_enum(@method_name, *arguments)
  else
    if @function_info_p
      return_value = @info.invoke(arguments, &block)
    else
      return_value = @info.invoke(receiver, arguments, &block)
    end
    if @have_return_value_p
      return_value
    else
      receiver
    end
  end
end