Class: Class

Inherits:
Object
  • Object
show all
Defined in:
lib/class_ext.rb

Overview

Borrowed from Rails

Instance Method Summary collapse

Instance Method Details

#cattr_accessor(*syms) ⇒ Object 



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# File 'lib/class_ext.rb', line 36

def cattr_accessor(*syms)
  cattr_reader(*syms)
  cattr_writer(*syms)
end

#cattr_reader(*syms) ⇒ Object 



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# File 'lib/class_ext.rb', line 3

def cattr_reader(*syms)
  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 



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# File 'lib/class_ext.rb', line 22

def cattr_writer(*syms)
  syms.flatten.each do |sym|
    class_eval(<<-EOS, __FILE__, __LINE__)
      unless defined? @@#{sym}
        @@#{sym} = nil
      end
      
      def self.#{sym}=(obj)
        @@#{sym} = obj
      end
    EOS
  end
end