Class: Module

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

Overview

Extends the module object with module and instance accessors for class attributes, just like the native attr* accessors for instance attributes.

module AppConfiguration
  mattr_accessor :google_api_key
  self.google_api_key = "123456789"

  mattr_accessor :paypal_url
  self.paypal_url = "www.sandbox.paypal.com"
end

AppConfiguration.google_api_key = "overriding the api key!"

Instance Method Summary collapse

Instance Method Details

#mattr_accessor(*syms) ⇒ Object 



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# File 'lib/extensions/mattr_accessor.rb', line 51

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

#mattr_reader(*syms) ⇒ Object 



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# File 'lib/extensions/mattr_accessor.rb', line 14

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

#mattr_writer(*syms) ⇒ Object 



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# File 'lib/extensions/mattr_accessor.rb', line 33

def mattr_writer(*syms)
  syms.each do |sym|
    class_eval("      unless defined? @@\#{sym}                       # unless defined? @@pagination_options\n        @@\#{sym} = nil                               #   @@pagination_options = nil\n      end                                            # end\n                                                     #\n      def self.\#{sym}=(obj)                          # def self.pagination_options=(obj)\n        @@\#{sym} = obj                               #   @@pagination_options = obj\n      end                                            # end\n                                                     #\n      def \#{sym}=(obj)                               # def pagination_options=(obj)\n        @@\#{sym} = obj                               #   @@pagination_options = obj\n      end                                            # end\n    EOS\n  end\nend\n", __FILE__, __LINE__)