Class: Class

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

Overview

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

class Person
  cattr_accessor :hair_colors
end

Person.hair_colors = [:brown, :black, :blonde, :red]

Instance Method Summary collapse

Instance Method Details

#cattr_accessor(*syms) ⇒ Object 



59
60
61
62
 
# File 'lib/yore/BufferedLogger.rb', line 59

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

#cattr_reader(*syms) ⇒ Object 



12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
 
# File 'lib/yore/BufferedLogger.rb', line 12

def cattr_reader(*syms)
  options = syms.extract_options!
  syms.each do |sym|
    next if sym.is_a?(Hash)
    class_eval("unless defined? @@\#{sym}\n@@\#{sym} = nil\nend\n\ndef self.\#{sym}\n@@\#{sym}\nend\n", __FILE__, __LINE__ + 1)

    unless options[:instance_reader] == false
      class_eval("def \#{sym}\n@@\#{sym}\nend\n", __FILE__, __LINE__ + 1)
    end
  end
end

#cattr_writer(*syms) ⇒ Object 



36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
 
# File 'lib/yore/BufferedLogger.rb', line 36

def cattr_writer(*syms)
  options = syms.extract_options!
  syms.each do |sym|
    class_eval("unless defined? @@\#{sym}\n@@\#{sym} = nil\nend\n\ndef self.\#{sym}=(obj)\n@@\#{sym} = obj\nend\n", __FILE__, __LINE__ + 1)

    unless options[:instance_writer] == false
      class_eval("def \#{sym}=(obj)\n@@\#{sym} = obj\nend\n", __FILE__, __LINE__ + 1)
    end
  end
end