Module: Reve::Extensions::Class

Included in:
Class
Defined in:
lib/reve/extensions.rb

Overview

Rails’s cattr_ things. activesupport/lib/active_support/core_ext/class Really quite handy.

Instance Method Summary collapse

Instance Method Details

#cattr_accessor(*syms) ⇒ Object

:nodoc:



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# File 'lib/reve/extensions.rb', line 76

def cattr_accessor(*syms) #:nodoc:
  cattr_reader(*syms)
  cattr_writer(*syms)
end

#cattr_reader(*syms) ⇒ Object

:nodoc:



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# File 'lib/reve/extensions.rb', line 38

def cattr_reader(*syms) #:nodoc:
  syms.flatten.each do |sym|
    next if sym.is_a?(Hash)
    class_eval(<<-EOS, __FILE__, __LINE__)
      unless defined? @@#{sym}
        @@#{sym} = nil
      end

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

      def #{sym}
        @@#{sym}
      end
    EOS
  end
end

#cattr_writer(*syms) ⇒ Object

:nodoc:



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# File 'lib/reve/extensions.rb', line 57

def cattr_writer(*syms) #:nodoc:
  options = syms.last.is_a?(Hash) ? syms.pop : {}
  syms.flatten.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
      " unless options[:instance_writer] == false }
    EOS
  end
end