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|
module Morpher
class Printer
# Printer behavior mixin
module Mixin
# Class level methods to be mixed in
module ClassMethods
# Register printer block for class
#
# @return [self]
#
# @api private
#
def printer(&block)
REGISTRY[self] = block
end
end # ClassMethods
# Instance level methods to be mixed in
module InstanceMethods
# Return description
#
# @return [String]
#
# @api private
#
def description
io = StringIO.new
Printer.run(self, io)
io.rewind
io.read
end
end # InstanceMethods
# Callback whem module gets included
#
# @param [Class, Module] descendant
#
# @return [undefined]
#
# @api private
#
def self.included(descendant)
descendant.class_eval do
extend ClassMethods
include InstanceMethods
end
end
private_class_method :included
end # Mixin
end # Printer
end # Morpher
|
