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
|
module Hike
# `NormalizedArray` is an internal abstract wrapper class that calls
# a callback `normalize_element` anytime an element is added to the
# Array.
#
# `Extensions` and `Paths` are subclasses of `NormalizedArray`.
class NormalizedArray < Array
def initialize
super()
end
def []=(*args)
value = args.pop
if value.respond_to?(:to_ary)
value = normalize_elements(value)
else
value = normalize_element(value)
end
super(*args.concat([value]))
end
def <<(element)
super normalize_element(element)
end
def collect!
super do |element|
result = yield element
normalize_element(result)
end
end
alias_method :map!, :collect!
def insert(index, *elements)
super index, *normalize_elements(elements)
end
def push(*elements)
super(*normalize_elements(elements))
end
def replace(elements)
super normalize_elements(elements)
end
def unshift(*elements)
super(*normalize_elements(elements))
end
def normalize_elements(elements)
elements.map do |element|
normalize_element(element)
end
end
end
end
|
