Class: Crypt::Rot13

Inherits:
String
  • Object
show all
Defined in:
lib/crypt/rot13.rb

Overview

The Rot13 class encapsulates methods governing character rotation.

Defined Under Namespace

Classes: Error

Constant Summary collapse

VERSION =

The version of the crypt-rot13 library.

'1.2.0'.freeze

Instance Method Summary collapse

Constructor Details

#initialize(str = '', degree = 13) ⇒ Rot13

Returns a new Rot13 object. The object is a string with the letters each rotated by degree.

You cannot use a multiple of 26 as the degree or a Rot13::Error will be raised. So, your days of double rot13 encryption are over.



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# File 'lib/crypt/rot13.rb', line 19

def initialize(str='', degree=13)
  str = rotate_string(str, degree) unless str.empty?
  super(str)
end

Instance Method Details

#rotate(degree) ⇒ Object

Rotates the Crypt::Rot13 object by degree.



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# File 'lib/crypt/rot13.rb', line 26

def rotate(degree)
  rotate_string(self, degree)
end