Sha256: de2635f9f11894feb0479a13eab503ae06855d371a706641f1c79215d1861ba4
Contents?: true
Size: 1.07 KB
Versions: 85
Compression:
Stored size: 1.07 KB
Contents
begin
require 'active_support/core_ext/class/attribute'
rescue LoadError
# A dumbed down version of ActiveSupport's
# Class#class_attribute helper.
class Class
def class_attribute(*attrs)
instance_writer = true
attrs.each do |name|
class_eval <<-RUBY, __FILE__, __LINE__ + 1
def self.#{name}() nil end
def self.#{name}?() !!#{name} end
def self.#{name}=(val)
singleton_class.class_eval do
define_method(:#{name}) { val }
end
if singleton_class?
class_eval do
def #{name}
defined?(@#{name}) ? @#{name} : singleton_class.#{name}
end
end
end
val
end
def #{name}
defined?(@#{name}) ? @#{name} : self.class.#{name}
end
def #{name}?
!!#{name}
end
RUBY
attr_writer name if instance_writer
end
end
private
def singleton_class?
ancestors.first != self
end
end
end
Version data entries
85 entries across 85 versions & 2 rubygems