class Crack::JSON

Constants

DATE_REGEX

matches YAML-formatted dates

Public Class Methods

parse(json) click to toggle source
# File lib/crack/json.rb, line 14
def self.parse(json)
  yaml = unescape(convert_json_to_yaml(json))
  YAML.safe_load(yaml, permitted_classes: [Regexp, Date, Time])
rescue *parser_exceptions
  raise ParseError, "Invalid JSON string"
rescue Psych::DisallowedClass
  yaml
end
parser_exceptions() click to toggle source
# File lib/crack/json.rb, line 10
def self.parser_exceptions
  @parser_exceptions ||= [ArgumentError, Psych::SyntaxError]
end

Protected Class Methods

format_dates(output, date_starts, date_ends) click to toggle source
# File lib/crack/json.rb, line 86
def self.format_dates(output, date_starts, date_ends)
  if YAML.constants.include?('Syck')
    (date_starts + date_ends).each { |i| output[i-1] = ' ' }
  else
    extra_chars_to_be_added = 0
    date_starts.each do |i|
      output[i-2+extra_chars_to_be_added] = '!!timestamp '
      extra_chars_to_be_added += 10
    end
  end
end
unescape(str) click to toggle source
# File lib/crack/json.rb, line 24
def self.unescape(str)
  # Force the encoding to be UTF-8 so we can perform regular expressions
  # on 1.9.2 without blowing up.
  # see http://stackoverflow.com/questions/1224204/ruby-mechanize-getting-force-encoding-exception for a similar issue
  str.force_encoding('UTF-8') if defined?(Encoding) && str.respond_to?(:force_encoding)
  str.gsub(/\\u0000/, "").gsub(/\\[u|U]([0-9a-fA-F]{4})/) { [$1.hex].pack("U") }
end