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require 'active_support/core_ext/module/delegation'
require 'active_support/core_ext/module/attribute_accessors'
module ActiveSupport
# If true, use ISO 8601 format for dates and times. Otherwise, fall back to the Active Support legacy format.
mattr_accessor :use_standard_json_time_format
# Look for and parse json strings that look like ISO 8601 times.
mattr_accessor :parse_json_times
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})?))$/
module Encoding #:nodoc:
mattr_accessor :escape_regex
ESCAPED_CHARS = {
"\010" => '\b',
"\f" => '\f',
"\n" => '\n',
"\r" => '\r',
"\t" => '\t',
'"' => '\"',
'\\' => '\\\\',
'>' => '\u003E',
'<' => '\u003C',
'&' => '\u0026'
}
def self.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}/, '\\\\u\&')
}
%("#{json}")
end
end
class << self
attr_reader :backend
delegate :decode, :to => :backend
def backend=(name)
if name.is_a?(Module)
@backend = name
else
require "active_support/json/backends/#{name.to_s.downcase}.rb"
@backend = ActiveSupport::JSON::Backends::const_get(name)
end
end
def with_backend(name)
old_backend, self.backend = backend, name
yield
ensure
self.backend = old_backend
end
end
end
class << self
attr_reader :escape_html_entities_in_json
def escape_html_entities_in_json=(value)
ActiveSupport::JSON::Encoding.escape_regex = \
if value
/[\010\f\n\r\t"\\><&]/
else
/[\010\f\n\r\t"\\]/
end
@escape_html_entities_in_json = value
end
end
end
ActiveSupport.escape_html_entities_in_json = true
ActiveSupport::JSON.backend = 'Yaml'
require 'active_support/json/encoding'
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