instiki/vendor/rails/activesupport/lib/active_support/core_ext/module/attribute_accessors.rb
2007-01-22 07:43:50 -06:00

45 lines
895 B
Ruby

# Extends the module object with module and instance accessors for class attributes,
# just like the native attr* accessors for instance attributes.
class Module # :nodoc:
def mattr_reader(*syms)
syms.each do |sym|
class_eval(<<-EOS, __FILE__, __LINE__)
unless defined? @@#{sym}
@@#{sym} = nil
end
def self.#{sym}
@@#{sym}
end
def #{sym}
@@#{sym}
end
EOS
end
end
def mattr_writer(*syms)
syms.each do |sym|
class_eval(<<-EOS, __FILE__, __LINE__)
unless defined? @@#{sym}
@@#{sym} = nil
end
def self.#{sym}=(obj)
@@#{sym} = obj
end
def #{sym}=(obj)
@@#{sym} = obj
end
EOS
end
end
def mattr_accessor(*syms)
mattr_reader(*syms)
mattr_writer(*syms)
end
end