/usr/lib/ruby/vendor_ruby/active_support/json/encoding.rb is in ruby-activesupport-2.3 2.3.14-7.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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require 'active_support/core_ext/module/delegation'
require 'active_support/deprecation'
module ActiveSupport
class << self
delegate :use_standard_json_time_format, :use_standard_json_time_format=,
:escape_html_entities_in_json, :escape_html_entities_in_json=,
:to => :'ActiveSupport::JSON::Encoding'
end
module JSON
# matches YAML-formatted dates
DATE_REGEX = /^(?:\d{4}-\d{2}-\d{2}|\d{4}-\d{1,2}-\d{1,2}[ \t]+\d{1,2}:\d{2}:\d{2}(\.[0-9]*)?(([ \t]*)Z|[-+]\d{2}?(:\d{2})?))$/
class << self
delegate :encode, :to => :'ActiveSupport::JSON::Encoding'
end
module Encoding #:nodoc:
class CircularReferenceError < StandardError
end
ESCAPED_CHARS = {
"\x00" => '\u0000', "\x01" => '\u0001', "\x02" => '\u0002',
"\x03" => '\u0003', "\x04" => '\u0004', "\x05" => '\u0005',
"\x06" => '\u0006', "\x07" => '\u0007', "\x0B" => '\u000B',
"\x0E" => '\u000E', "\x0F" => '\u000F', "\x10" => '\u0010',
"\x11" => '\u0011', "\x12" => '\u0012', "\x13" => '\u0013',
"\x14" => '\u0014', "\x15" => '\u0015', "\x16" => '\u0016',
"\x17" => '\u0017', "\x18" => '\u0018', "\x19" => '\u0019',
"\x1A" => '\u001A', "\x1B" => '\u001B', "\x1C" => '\u001C',
"\x1D" => '\u001D', "\x1E" => '\u001E', "\x1F" => '\u001F',
"\010" => '\b',
"\f" => '\f',
"\n" => '\n',
"\r" => '\r',
"\t" => '\t',
'"' => '\"',
'\\' => '\\\\',
'>' => '\u003E',
'<' => '\u003C',
'&' => '\u0026' }
class << self
# If true, use ISO 8601 format for dates and times. Otherwise, fall back to the Active Support legacy format.
attr_accessor :use_standard_json_time_format
attr_accessor :escape_regex
attr_reader :escape_html_entities_in_json
def escape_html_entities_in_json=(value)
self.escape_regex = \
if @escape_html_entities_in_json = value
/[\x00-\x1F"\\><&]/
else
/[\x00-\x1F"\\]/
end
end
def escape(string)
string = string.dup.force_encoding(::Encoding::BINARY) if string.respond_to?(:force_encoding)
json = string.
gsub(escape_regex) { |s| ESCAPED_CHARS[s] }.
gsub(/([\xC0-\xDF][\x80-\xBF]|
[\xE0-\xEF][\x80-\xBF]{2}|
[\xF0-\xF7][\x80-\xBF]{3})+/nx) { |s|
s.unpack("U*").pack("n*").unpack("H*")[0].gsub(/.{4}/n, '\\\\u\&')
}
%("#{json}")
end
# Converts a Ruby object into a JSON string.
def encode(value, options = nil)
options = {} unless Hash === options
seen = (options[:seen] ||= [])
raise CircularReferenceError, 'object references itself' if seen.include?(value)
seen << value
value.to_json(options)
ensure
seen.pop
end
end
self.escape_html_entities_in_json = true
end
CircularReferenceError = Deprecation::DeprecatedConstantProxy.new('ActiveSupport::JSON::CircularReferenceError', Encoding::CircularReferenceError)
end
end
# Hack to load json gem first so we can overwrite its to_json.
begin
require 'json'
rescue LoadError
end
require 'active_support/json/variable'
require 'active_support/json/encoders/date'
require 'active_support/json/encoders/date_time'
require 'active_support/json/encoders/enumerable'
require 'active_support/json/encoders/false_class'
require 'active_support/json/encoders/hash'
require 'active_support/json/encoders/nil_class'
require 'active_support/json/encoders/numeric'
require 'active_support/json/encoders/object'
require 'active_support/json/encoders/regexp'
require 'active_support/json/encoders/string'
require 'active_support/json/encoders/symbol'
require 'active_support/json/encoders/time'
require 'active_support/json/encoders/true_class'
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