Method: ActiveSupport::JSON::Encoding.escape

Defined in:
lib/active_support/json/encoding.rb

+ (Object) escape(string)



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# File 'lib/active_support/json/encoding.rb', line 104

def escape(string)
  if string.respond_to?(:force_encoding)
    string = string.encode(::Encoding::UTF_8, :undef => :replace).force_encoding(::Encoding::BINARY)
  end
  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 = %("#{json}")
  json.force_encoding(::Encoding::UTF_8) if json.respond_to?(:force_encoding)
  json
end

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