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Versions: 35
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Contents
# encoding: ascii-8bit
# Copyright 2014 Ball Aerospace & Technologies Corp.
# All Rights Reserved.
#
# This program is free software; you can modify and/or redistribute it
# under the terms of the GNU General Public License
# as published by the Free Software Foundation; version 3 with
# attribution addendums as found in the LICENSE.txt
# COSMOS specific additions to the Ruby Class class
class Class
# Creates instance variables in the class which have corresponding class
# method accessors. NOTE: You must define self.instance for this to work.
#
# For example:
# class MyClass
# instance_attr_reader :test
# @@instance = nil
# def self.instance
# @@instance ||= self.new
# return @@instance
# end
# def initialize
# @test = "Test"
# @@instance = self
# end
#
# Will allow the following:
# my = MyClass.new
# my.test # returns "Test"
# MyClass.test # returns "Test"
#
# @param args [Array<Symbol>] Array of symbols which should be turned into
# instance variables with class method readers
def instance_attr_reader(*args)
args.each do |arg|
self.class_eval("def #{arg};@#{arg};end")
self.instance_eval("def #{arg};self.instance.#{arg};end")
end
end
# @param args [Array<Symbol>] Array of symbols which should be turned into
# instance variables with class method accessors (read and write)
def instance_attr_accessor(*args)
args.each do |arg|
self.class_eval("def #{arg};@#{arg};end")
self.instance_eval("def #{arg};self.instance.#{arg};end")
self.class_eval("def #{arg}=(arg);@#{arg} = arg;end")
self.instance_eval("def #{arg}=(arg);self.instance.#{arg} = arg;end")
end
end
end
Version data entries
35 entries across 35 versions & 1 rubygems