Module: Morseficator::Encryptor

Defined in:
lib/morseficator/encryptor.rb

Overview

Converts a single letter to a matching morse code

Constant Summary collapse

CYPHER = 
{
  'A' => '1a',
  'B' => 'a3',
  'C' => 'a1a1',
  'D' => 'a2',
  'E' => '1',
  'F' => '2a1',
  'G' => 'b1',
  'H' => '4',
  'I' => '2',
  'J' => '1c',
  'K' => 'a1a',
  'L' => '1a2',
  'M' => 'b',
  'N' => 'a1',
  'O' => 'c',
  'P' => '1b1',
  'Q' => 'b1a',
  'R' => '1a1',
  'S' => '3',
  'T' => 'a',
  'U' => '2a',
  'V' => '3a',
  'W' => '1b',
  'X' => 'a2a',
  'Y' => 'a1b',
  'Z' => 'b2',
  '0' => 'e',
  '1' => '1d',
  '2' => '2c',
  '3' => '3b',
  '4' => '4a',
  '5' => '5',
  '6' => 'a4',
  '7' => 'b3',
  '8' => 'c2',
  '9' => 'd1'
}.freeze

Class Method Summary collapse

Class Method Details

.encrypt(letter) ⇒ Object

Raises:



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# File 'lib/morseficator/encryptor.rb', line 47

def encrypt(letter)
  raise(Morseficator::Error, "Argument isn't a string") unless letter.is_a?(String)
  raise(Morseficator::Error, 'Only single letters are supported') if letter.length > 1

  return '' if letter.empty?

  CYPHER[letter.to_s] || raise(Morseficator::Error, "Unkonwn letter '#{letter}'")
end