Sha256: 0a7f892a2cb01ca830a84b982ea2d5668126b1258589ced9443eff783b57ef1f
Contents?: true
Size: 1.72 KB
Versions: 215
Compression:
Stored size: 1.72 KB
Contents
require 'active_support/core_ext/array/extract_options'
class Module
def mattr_reader(*syms)
options = syms.extract_options!
syms.each do |sym|
class_eval(<<-EOS, __FILE__, __LINE__ + 1)
@@#{sym} = nil unless defined? @@#{sym}
def self.#{sym}
@@#{sym}
end
EOS
unless options[:instance_reader] == false || options[:instance_accessor] == false
class_eval(<<-EOS, __FILE__, __LINE__ + 1)
def #{sym}
@@#{sym}
end
EOS
end
end
end
def mattr_writer(*syms)
options = syms.extract_options!
syms.each do |sym|
class_eval(<<-EOS, __FILE__, __LINE__ + 1)
def self.#{sym}=(obj)
@@#{sym} = obj
end
EOS
unless options[:instance_writer] == false || options[:instance_accessor] == false
class_eval(<<-EOS, __FILE__, __LINE__ + 1)
def #{sym}=(obj)
@@#{sym} = obj
end
EOS
end
end
end
# Extends the module object with module and instance accessors for class attributes,
# just like the native attr* accessors for instance attributes.
#
# module AppConfiguration
# mattr_accessor :google_api_key
# self.google_api_key = "123456789"
#
# mattr_accessor :paypal_url
# self.paypal_url = "www.sandbox.paypal.com"
# end
#
# AppConfiguration.google_api_key = "overriding the api key!"
#
# To opt out of the instance writer method, pass :instance_writer => false.
# To opt out of the instance reader method, pass :instance_reader => false.
# To opt out of both instance methods, pass :instance_accessor => false.
def mattr_accessor(*syms)
mattr_reader(*syms)
mattr_writer(*syms)
end
end
Version data entries
215 entries across 171 versions & 24 rubygems