Contents

# 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
        if ! defined? @@#{sym.id2name}
          @@#{sym.id2name} = nil
        end
        
        def self.#{sym.id2name}
          @@#{sym}
        end

        def #{sym.id2name}
          @@#{sym}
        end

        def call_#{sym.id2name}
          case @@#{sym.id2name}
            when Symbol then send(@@#{sym})
            when Proc   then @@#{sym}.call(self)
            when String then @@#{sym}
            else nil
          end
        end
      EOS
    end
  end
  
  def mattr_writer(*syms)
    syms.each do |sym|
      class_eval <<-EOS
        if ! defined? @@#{sym.id2name}
          @@#{sym.id2name} = nil
        end
        
        def self.#{sym.id2name}=(obj)
          @@#{sym.id2name} = obj
        end

        def self.set_#{sym.id2name}(obj)
          @@#{sym.id2name} = obj
        end

        def #{sym.id2name}=(obj)
          @@#{sym} = obj
        end
      EOS
    end
  end
  
  def mattr_accessor(*syms)
    mattr_reader(*syms)
    mattr_writer(*syms)
  end
end

Version data entries

31 entries across 31 versions & 5 rubygems

Version	Path
devise_sociable-0.1.0	vendor/bundle/gems/actionpack-1.4.0/lib/action_controller/support/module_attribute_accessors.rb
actionpack-1.2.0	lib/action_controller/support/module_attribute_accessors.rb
actionpack-1.3.1	lib/action_controller/support/module_attribute_accessors.rb
actionpack-1.3.0	lib/action_controller/support/module_attribute_accessors.rb
actionpack-1.4.0	lib/action_controller/support/module_attribute_accessors.rb
activerecord-1.4.0	lib/active_record/support/module_attribute_accessors.rb
activerecord-1.5.0	lib/active_record/support/module_attribute_accessors.rb
activerecord-1.6.0	lib/active_record/support/module_attribute_accessors.rb
activerecord-1.5.1	lib/active_record/support/module_attribute_accessors.rb
activesupport-1.0.3	lib/active_support/module_attribute_accessors.rb
activesupport-1.0.1	lib/active_support/module_attribute_accessors.rb
activesupport-1.0.2	lib/active_support/module_attribute_accessors.rb
activesupport-1.0.4	lib/active_support/module_attribute_accessors.rb
activesupport-1.0.0	lib/active_support/module_attribute_accessors.rb
activesupport-1.2.1	lib/active_support/module_attribute_accessors.rb
activesupport-1.2.2	lib/active_support/module_attribute_accessors.rb
activesupport-1.2.4	lib/active_support/module_attribute_accessors.rb
activesupport-1.1.1	lib/active_support/module_attribute_accessors.rb
activesupport-1.1.0	lib/active_support/module_attribute_accessors.rb
activesupport-1.2.3	lib/active_support/module_attribute_accessors.rb