Class: Class

Inherits:
Object
  • Object
show all
Defined in:
lib/functional_support/core_ext/class/attribute_accessors.rb

Instance Method Summary collapse

Instance Method Details

#attr_hash_accessor(*syms) ⇒ Object 



32
33
34
35
 
# File 'lib/functional_support/core_ext/class/attribute_accessors.rb', line 32

def attr_hash_accessor(*syms)
  attr_hash_writer *syms
  attr_hash_reader *syms
end

#attr_hash_reader(*syms) ⇒ Object 



3
4
5
6
7
8
9
10
11
12
13
14
15
 
# File 'lib/functional_support/core_ext/class/attribute_accessors.rb', line 3

def attr_hash_reader(*syms)
  options = syms.extract_options!
  hash_name = options[:store_in].to_s if options[:store_in].present?
  hash_name ||= "attributes"
  syms.each do |sym|
    raise NameError.new("invalid instance attribute name: #{sym}") unless sym =~ /^[_A-Za-z]\w*$/
    class_eval("      def \#{sym}\n        (@\#{hash_name} ||= {})[:\#{sym}]\n      end\n    EOS\n  end\nend\n", __FILE__, __LINE__ + 1)

#attr_hash_writer(*syms) ⇒ Object 



17
18
19
20
21
22
23
24
25
26
27
28
29
30
 
# File 'lib/functional_support/core_ext/class/attribute_accessors.rb', line 17

def attr_hash_writer(*syms)
  options = syms.extract_options!
  hash_name = options[:store_in].to_s if options[:store_in].present?
  hash_name ||= "attributes"
  syms.each do |sym|
    raise NameError.new("invalid instance attribute name: #{sym}") unless sym =~ /^[_A-Za-z]\w*$/
    class_eval("      def \#{sym}=(obj)\n        @\#{hash_name} ||= {}\n        @\#{hash_name}[:\#{sym}] = obj\n      end\n    EOS\n  end\nend\n", __FILE__, __LINE__ + 1)