Class: Numeric

Inherits:
Object
  • Object
show all
Defined in:
lib/ttcrypt.rb

Instance Method Summary collapse

Instance Method Details

#to_bytes(order: :BE) ⇒ Symbol

Convert an integer non-negative number that to bytes array using specified endianness. if it is float, it will be converted to an integer first.



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# File 'lib/ttcrypt.rb', line 11

def to_bytes order: :BE
  order == :BE || order == :LE or raise ArgimentError, "unkown order, should be either :BE or :LE"
  (value  = self.to_i) < 0 and raise ArgumentError, 'value must not be negative'
  result = ''
  result.force_encoding 'binary'
  while value != 0
    byte  = value & 0xFF
    value >>= 8
    result << byte.chr
  end
  result == '' ? "\x0" : (order == :BE ? result.reverse : result)
end