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
|
require "uri"
require_relative "json_pointer"
module JsonReference
def self.reference(ref)
Reference.new(ref)
end
class Reference
include Comparable
attr_accessor :pointer
attr_accessor :uri
def initialize(ref)
# Note that the #to_s of `nil` is an empty string.
@uri = nil
# given a simple fragment without '#', resolve as a JSON Pointer only as
# per spec
if ref.include?("#")
uri, @pointer = ref.split('#')
if uri && !uri.empty?
@uri = URI.parse(uri)
end
@pointer ||= ""
else
@pointer = ref
end
# normalize pointers by prepending "#" and stripping trailing "/"
@pointer = "#" + @pointer
@pointer = @pointer.chomp("/")
end
def <=>(other)
to_s <=> other.to_s
end
def inspect
"\#<JsonReference::Reference #{to_s}>"
end
# Given the document addressed by #uri, resolves the JSON Pointer part of
# the reference.
def resolve_pointer(data)
JsonPointer.evaluate(data, @pointer)
end
def to_s
if @uri
"#{@uri.to_s}#{@pointer}"
else
@pointer
end
end
end
end
|
