112 lines
3.9 KiB
Ruby
112 lines
3.9 KiB
Ruby
# encoding: utf-8
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require 'active_support/core_ext/module/delegation'
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require 'active_support/deprecation'
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module ActiveSupport
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class << self
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delegate :use_standard_json_time_format, :use_standard_json_time_format=,
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:escape_html_entities_in_json, :escape_html_entities_in_json=,
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:to => :'ActiveSupport::JSON::Encoding'
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end
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module JSON
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# matches YAML-formatted dates
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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})?))$/
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class << self
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delegate :encode, :to => :'ActiveSupport::JSON::Encoding'
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end
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module Encoding #:nodoc:
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class CircularReferenceError < StandardError
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end
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ESCAPED_CHARS = {
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"\x00" => '\u0000', "\x01" => '\u0001', "\x02" => '\u0002',
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"\x03" => '\u0003', "\x04" => '\u0004', "\x05" => '\u0005',
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"\x06" => '\u0006', "\x07" => '\u0007', "\x0B" => '\u000B',
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"\x0E" => '\u000E', "\x0F" => '\u000F', "\x10" => '\u0010',
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"\x11" => '\u0011', "\x12" => '\u0012', "\x13" => '\u0013',
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"\x14" => '\u0014', "\x15" => '\u0015', "\x16" => '\u0016',
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"\x17" => '\u0017', "\x18" => '\u0018', "\x19" => '\u0019',
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"\x1A" => '\u001A', "\x1B" => '\u001B', "\x1C" => '\u001C',
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"\x1D" => '\u001D', "\x1E" => '\u001E', "\x1F" => '\u001F',
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"\010" => '\b',
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"\f" => '\f',
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"\n" => '\n',
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"\r" => '\r',
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"\t" => '\t',
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'"' => '\"',
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'\\' => '\\\\',
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'>' => '\u003E',
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'<' => '\u003C',
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'&' => '\u0026' }
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class << self
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# If true, use ISO 8601 format for dates and times. Otherwise, fall back to the Active Support legacy format.
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attr_accessor :use_standard_json_time_format
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attr_accessor :escape_regex
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attr_reader :escape_html_entities_in_json
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def escape_html_entities_in_json=(value)
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self.escape_regex = \
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if @escape_html_entities_in_json = value
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/[\x00-\x1F"\\><&]/
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else
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/[\x00-\x1F"\\]/
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end
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end
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def escape(string)
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string = string.dup.force_encoding(::Encoding::BINARY) if string.respond_to?(:force_encoding)
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json = string.
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gsub(escape_regex) { |s| ESCAPED_CHARS[s] }.
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gsub(/([\xC0-\xDF][\x80-\xBF]|
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[\xE0-\xEF][\x80-\xBF]{2}|
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[\xF0-\xF7][\x80-\xBF]{3})+/nx) { |s|
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s.unpack("U*").pack("n*").unpack("H*")[0].gsub(/.{4}/n, '\\\\u\&')
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}
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%("#{json}")
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end
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# Converts a Ruby object into a JSON string.
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def encode(value, options = nil)
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options = {} unless Hash === options
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seen = (options[:seen] ||= [])
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raise CircularReferenceError, 'object references itself' if seen.include?(value)
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seen << value
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value.to_json(options)
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ensure
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seen.pop
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end
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end
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self.escape_html_entities_in_json = true
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end
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CircularReferenceError = Deprecation::DeprecatedConstantProxy.new('ActiveSupport::JSON::CircularReferenceError', Encoding::CircularReferenceError)
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end
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end
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# Hack to load json gem first so we can overwrite its to_json.
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begin
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require 'json'
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rescue LoadError
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end
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require 'active_support/json/variable'
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require 'active_support/json/encoders/date'
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require 'active_support/json/encoders/date_time'
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require 'active_support/json/encoders/enumerable'
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require 'active_support/json/encoders/false_class'
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require 'active_support/json/encoders/hash'
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require 'active_support/json/encoders/nil_class'
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require 'active_support/json/encoders/numeric'
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require 'active_support/json/encoders/object'
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require 'active_support/json/encoders/regexp'
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require 'active_support/json/encoders/string'
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require 'active_support/json/encoders/symbol'
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require 'active_support/json/encoders/time'
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require 'active_support/json/encoders/true_class'
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