Module: TomlRB::BasicString

Defined in:
lib/toml-rb/string.rb

Overview

Used in primitive.citrus

Constant Summary collapse

SPECIAL_CHARS = 
{
  "\\0" => "\0",
  "\\t" => "\t",
  "\\b" => "\b",
  "\\f" => "\f",
  "\\n" => "\n",
  "\\r" => "\r",
  '\\"' => '"',
  "\\\\" => "\\"
}.freeze

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.decode_unicode(str) ⇒ Object

Replace the unicode escaped characters with the corresponding character e.g. u03B4 => ?



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# File 'lib/toml-rb/string.rb', line 23

def self.decode_unicode(str)
  [str[2..-1].to_i(16)].pack("U")
end

.parse_error(m) ⇒ Object 



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# File 'lib/toml-rb/string.rb', line 37

def self.parse_error(m)
  fail ParseError.new "Escape sequence #{m} is reserved"
end

.transform_escaped_chars(str) ⇒ Object 



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# File 'lib/toml-rb/string.rb', line 27

def self.transform_escaped_chars(str)
  str.gsub(/\\(u[\da-fA-F]{4}|U[\da-fA-F]{8}|.)/) do |m|
    if m.size == 2
      SPECIAL_CHARS[m] || parse_error(m)
    else
      decode_unicode(m).force_encoding("UTF-8")
    end
  end
end

Instance Method Details

#value ⇒ Object 



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# File 'lib/toml-rb/string.rb', line 15

def value
  aux = TomlRB::BasicString.transform_escaped_chars first.value

  aux[1...-1]
end