Module: Operation::Great::Justice

Defined in:
lib/operation/great/justice.rb,
lib/operation/great/justice/version.rb

Constant Summary collapse

VERSION = 
"0.0.2"

Class Method Summary collapse

Class Method Details

.adjectives ⇒ Object 



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# File 'lib/operation/great/justice.rb', line 40

def adjectives
  @adjectives ||= File.read(File.expand_path('../../../../adjectives.txt', __FILE__)).split("\n")
end

.generate(token) ⇒ Object

Given a token try and deterministly generate a code name, which will always be the same for any given token.



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# File 'lib/operation/great/justice.rb', line 11

def generate(token)
  # Split the token into two equal length arrays of bytes
  first = []
  last = []
  token.bytes.each_slice(2) { |a| first << a.first; last << a.last }

  # Do a mind-numbingly simple XOR hash of each array.
  first = first.inject(0) { |h,i| h ^ i }
  last  = last.inject(0) { |h,i| h ^ i }

  # Scale the hash to the size of each word list
  first = (first.to_f / 255 * adjectives.size).to_i
  last  = (last.to_f / 255 * nouns.size).to_i

  # Collect our words
  first = adjectives[first]
  last  = nouns[last]

  # Capitalize our words
  first = first.slice(0,1).capitalize + first.slice(1..-1)
  last  = last.slice(0,1).capitalize + last.slice(1..-1)

  "Operation #{first} #{last}"
end

.nouns ⇒ Object 



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# File 'lib/operation/great/justice.rb', line 36

def nouns
  @nouns ||= File.read(File.expand_path('../../../../nouns.txt', __FILE__)).split("\n")
end