Class: WebMock::Util::Parsers::JSON

Inherits:
Object
  • Object
show all
Defined in:
lib/webmock/util/parsers/json.rb

Class Method Summary collapse

Class Method Details

.convert_json_to_yaml(json) ⇒ Object

Ensure that “:” and “,” are always followed by a space



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
 
# File 'lib/webmock/util/parsers/json.rb', line 30

def self.convert_json_to_yaml(json) #:nodoc:
  scanner, quoting, marks, times = StringScanner.new(json), false, [], []
  while scanner.scan_until(/(\\['"]|['":,\\]|\\.)/)
    case char = scanner[1]
    when '"', "'"
      if !quoting
        quoting = char
      elsif quoting == char
        quoting = false
      end
    when ":",","
        marks << scanner.pos - 1 unless quoting
    when "\\"
        scanner.skip(/\\/)
    end
  end

  if marks.empty?
    json.gsub(/\\\//, '/')
  else
    left_pos  = [-1].push(*marks)
    right_pos = marks << json.bytesize
    output    = []

    left_pos.each_with_index do |left, i|
      if json.respond_to?(:byteslice)
        output << json.byteslice(left.succ..right_pos[i])
      else
        output << json[left.succ..right_pos[i]]
      end
    end

    output = output * " "

    times.each { |i| output[i-1] = ' ' }
    output.gsub!(/\\\//, '/')
    output
  end
end

.parse(json) ⇒ Object 



16
17
18
19
20
21
 
# File 'lib/webmock/util/parsers/json.rb', line 16

def self.parse(json)
  yaml = unescape(convert_json_to_yaml(json))
  YAML.load(yaml)
rescue ArgumentError, Psych::SyntaxError => e
  raise ParseError, "Invalid JSON string: #{yaml}, Error: #{e.inspect}"
end

.unescape(str) ⇒ Object 



25
26
27
 
# File 'lib/webmock/util/parsers/json.rb', line 25

def self.unescape(str)
  str.gsub(/\\u([0-9a-f]{4})/) { [$1.hex].pack("U") }
end