Method: Configurations::Configurable#install_configure_in

Defined in:
lib/configurations/configurable.rb

#install_configure_in(base) ⇒ Object

Installs #configure in base, and makes sure that it will instantiate configuration as a subclass of the host module



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# File 'lib/configurations/configurable.rb', line 34

def install_configure_in(base)
  base.instance_eval "    # Configuration class for host module\n    #\n    \#{base.name}::Configuration = Class.new(Configurations::Configuration)\n\n    # The central configure method\n    # @params [Proc] block the block to configure host module with\n    # @raise [ArgumentError] error when not given a block\n    # @example Configure a configuration\n    #   MyGem.configure do |c|\n    #     c.foo = :bar\n    #   end\n    #\n    def self.configure(&block)\n      semaphore.synchronize do\n        fail ArgumentError, \"configure needs a block\" unless block_given?\n        include_configuration_type!(\#{base.name}::Configuration)\n\n        set_configuration!(&block)\n      end\n    end\n\n    # A reader for Configuration\n    #\n    def configuration\n      semaphore.synchronize do\n        return @configuration if @configuration\n\n        if @configuration_defaults\n          include_configuration_type!(\#{base.name}::Configuration)\n          set_configuration! { }\n        end\n      end\n    end\n\n\n    private\n\n    # Sets the configuration instance variable\n    #\n    def self.set_configuration!(&block)\n      @configuration = \#{base.name}::Configuration.__new__(\n                                                  configuration_options,\n                                                  &block\n                                                )\n    end\n\n    @semaphore = Mutex.new\n    def self.semaphore\n      @semaphore\n    end\n\n  EOF\nend\n"