Class: Module

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

Overview

copied from activesupport

Instance Method Summary collapse

Instance Method Details

#mattr_accessor(*syms) ⇒ Object

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!"



49
50
51
52
 
# File 'lib/ors/core_ext.rb', line 49

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

#mattr_reader(*syms) ⇒ Object 



3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
 
# File 'lib/ors/core_ext.rb', line 3

def mattr_reader(*syms)
  syms.each do |sym|
    class_eval("      @@\#{sym} = nil unless defined? @@\#{sym}\n\n      def self.\#{sym}\n        @@\#{sym}\n      end\n    EOS\n\n    class_eval(<<-EOS, __FILE__, __LINE__ + 1)\n      def \#{sym}\n        @@\#{sym}\n      end\n    EOS\n  end\nend\n", __FILE__, __LINE__ + 1)

#mattr_writer(*syms) ⇒ Object 



21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
 
# File 'lib/ors/core_ext.rb', line 21

def mattr_writer(*syms)
  syms.each do |sym|
    class_eval("      def self.\#{sym}=(obj)\n        @@\#{sym} = obj\n      end\n    EOS\n\n    class_eval(<<-EOS, __FILE__, __LINE__ + 1)\n      def \#{sym}=(obj)\n        @@\#{sym} = obj\n      end\n    EOS\n  end\nend\n", __FILE__, __LINE__ + 1)