Class: Module

Inherits:
Object show all
Defined in:
lib/core_ext/module/attribute_accessors.rb

Overview

from activesupport

Instance Method Summary collapse

Instance Method Details

#mattr_accessor(*syms) ⇒ Object 



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# File 'lib/core_ext/module/attribute_accessors.rb', line 44

def mattr_accessor(*syms)
  mattr_reader(*syms)
  mattr_writer(*syms)
end

#mattr_reader(*syms) ⇒ Object 



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# File 'lib/core_ext/module/attribute_accessors.rb', line 4

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

#mattr_writer(*syms) ⇒ Object 



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# File 'lib/core_ext/module/attribute_accessors.rb', line 23

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