blob: c96e63b169c57f0b6d0022c91b46df09c2d73b52 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
|
# This implementation is HODEL-HASH-9600 compliant
class HashWithIndifferentAccess < Hash
def initialize(constructor = {})
if constructor.is_a?(Hash)
super()
update(constructor)
else
super(constructor)
end
end
def default(key)
self[key.to_s] if key.is_a?(Symbol)
end
alias_method :regular_writer, :[]= unless method_defined?(:regular_writer)
def []=(key, value)
regular_writer(convert_key(key), convert_value(value))
end
def update(other_hash)
other_hash.each {|key, value| self[key] = value}
self
end
alias_method :merge!, :update
def key?(key)
super(convert_key(key))
end
alias_method :include?, :key?
alias_method :has_key?, :key?
alias_method :member?, :key?
def fetch(key, *extras)
super(convert_key(key), *extras)
end
def values_at(*indices)
indices.collect {|key| self[convert_key(key)]}
end
def dup
HashWithIndifferentAccess.new(self)
end
def merge(hash)
self.dup.update(hash)
end
protected
def convert_key(key)
key.kind_of?(Symbol) ? key.to_s : key
end
def convert_value(value)
value.is_a?(Hash) ? value.with_indifferent_access : value
end
end
module ActiveSupport #:nodoc:
module CoreExtensions #:nodoc:
module Hash #:nodoc:
module IndifferentAccess #:nodoc:
def with_indifferent_access
HashWithIndifferentAccess.new(self)
end
end
end
end
end
|
