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Contents
require 'candy/qualified_const_get'
module Candy
# Utility methods that can generate new methods or classes for some of Candy's magic.
module Factory
# Creates a method with the same name as a provided class, in the same namespace as
# that class, which delegates to a given class method of that class. (Whew. Make sense?)
def self.magic_method(klass, method, params='')
ns = namespace(klass)
my_name = klass.name.sub(ns, '').to_sym
parent = (ns == '' ? Object : qualified_const_get(ns))
unless parent.method_defined?(my_name)
parent.class_eval <<-CLASS
def #{my_name}(#{params})
#{klass}.#{method}(#{params.gsub(/\s?=(.+?),/,',')})
end
CLASS
end
end
private
# Retrieves the 'BlahModule::BleeModule::' part of a class name, so that we
# can put other things in the same namespace.
def self.namespace(receiver)
receiver.name[/^.*::/] || '' # Hooray for greedy matching
end
end
end
Version data entries
10 entries across 10 versions & 1 rubygems