Module: Dhall::Parser::DoubleQuoteEscaped

Defined in:
lib/dhall/parser.rb

Constant Summary collapse

ESCAPES = 
{
  "\"" => "\"",
  "$"  => "$",
  "\\" => "\\",
  "/"  => "/",
  "b"  => "\b",
  "f"  => "\f",
  "n"  => "\n",
  "r"  => "\r",
  "t"  => "\t"
}.freeze
NON_CHARACTERS = 
[
  (0xD800..0xDFFF),
  (0xFFFE..0xFFFF),
  (0x1FFFE..0x1FFFF),
  (0x2FFFE..0x2FFFF),
  (0x3FFFE..0x3FFFF),
  (0x4FFFE..0x4FFFF),
  (0x5FFFE..0x5FFFF),
  (0x6FFFE..0x6FFFF),
  (0x7FFFE..0x7FFFF),
  (0x8FFFE..0x8FFFF),
  (0x9FFFE..0x9FFFF),
  (0xAFFFE..0xAFFFF),
  (0xBFFFE..0xBFFFF),
  (0xCFFFE..0xCFFFF),
  (0xDFFFE..0xDFFFF),
  (0xEFFFE..0xEFFFF),
  (0xFFFFE..0xFFFFF),
  (0x10FFFE..0x10FFFF)
].freeze

Instance Method Summary collapse

Instance Method Details

#value ⇒ Object 



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# File 'lib/dhall/parser.rb', line 304

def value
  ESCAPES.fetch(string) do
    code = string.sub(/\Au\{?([A-F0-9]+)\}?/, "\\1").to_i(16)
    NON_CHARACTERS.each do |range|
      raise Citrus::ParseError, input if range.include?(code)
    end
    [code].pack("U*")
  end
end