blob: 64e5779b7136e2e4ad567a5bb6aa6e03aa38618f (
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
|
require 'active_support/json/variable'
require 'active_support/json/encoders/object' # Require explicitly for rdoc.
Dir["#{File.dirname(__FILE__)}/encoders/**/*.rb"].each do |file|
basename = File.basename(file, '.rb')
unless basename == 'object'
require "active_support/json/encoders/#{basename}"
end
end
module ActiveSupport
module JSON
# When +true+, Hash#to_json will omit quoting string or symbol keys
# if the keys are valid JavaScript identifiers. Note that this is
# technically improper JSON (all object keys must be quoted), so if
# you need strict JSON compliance, set this option to +false+.
mattr_accessor :unquote_hash_key_identifiers
@@unquote_hash_key_identifiers = true
class CircularReferenceError < StandardError
end
class << self
REFERENCE_STACK_VARIABLE = :json_reference_stack #:nodoc:
# Converts a Ruby object into a JSON string.
def encode(value)
raise_on_circular_reference(value) do
value.send(:to_json)
end
end
def can_unquote_identifier?(key) #:nodoc:
unquote_hash_key_identifiers &&
ActiveSupport::JSON.valid_identifier?(key)
end
protected
def raise_on_circular_reference(value) #:nodoc:
stack = Thread.current[REFERENCE_STACK_VARIABLE] ||= []
raise CircularReferenceError, 'object references itself' if
stack.include? value
stack << value
yield
ensure
stack.pop
end
end
end
end
|
