Class: Class

Inherits:
Object show all
Defined in:
lib/spiderfw/utils/monkey/class.rb

Instance Method Summary collapse

Instance Method Details

#cattr_accessor(*syms) ⇒ Object 



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# File 'lib/spiderfw/utils/monkey/class.rb', line 54

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

#cattr_reader(*syms) ⇒ Object

From ActiveSupport 2.3.4 Copyright © 2004-2009 David Heinemeier Hansson



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# File 'lib/spiderfw/utils/monkey/class.rb', line 14

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

#cattr_writer(*syms) ⇒ Object 



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# File 'lib/spiderfw/utils/monkey/class.rb', line 33

def cattr_writer(*syms)
  options = syms.last.is_a?(::Hash) ? syms.pop : {}
  syms.flatten.each do |sym|
    class_eval(<<-EOS, __FILE__, __LINE__)
      unless defined? @@#{sym}                       # unless defined? @@hair_colors
        @@#{sym} = nil                               #   @@hair_colors = nil
      end                                            # end
                                                     #
      def self.#{sym}=(obj)                          # def self.hair_colors=(obj)
        @@#{sym} = obj                               #   @@hair_colors = obj
      end                                            # end
                                                     #
      #{"                                            #
      def #{sym}=(obj)                               # def hair_colors=(obj)
        @@#{sym} = obj                               #   @@hair_colors = obj
      end                                            # end
      " unless options[:instance_writer] == false }  # # instance writer above is generated unless options[:instance_writer] == false
    EOS
  end
end

#subclass_of?(klass) ⇒ Boolean

def parent_module(n=1)

return const_get_full(self.to_s.reverse.split('::', n+1)[n].reverse)

end

Returns:

  • (Boolean) 


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# File 'lib/spiderfw/utils/monkey/class.rb', line 7

def subclass_of?(klass)
    self < klass
end