Class: BruteTools::BruteforceGenerator

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

Instance Method Summary collapse

Constructor Details

#initialize(alphabet, start = 0) ⇒ BruteforceGenerator

Returns a new instance of BruteforceGenerator.



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# File 'lib/brutetools/bruteforce_generator.rb', line 3

def initialize(alphabet, start = 0)
  @alphabet = alphabet
  @alphabet = @alphabet.split('') if @alphabet.kind_of? String
  @start = start
  @start = @alphabet[0] * @start if @start.kind_of? Numeric
  @length = @start.length
  @buff = @start.split('').map{ |e| @alphabet.index(e) }
end

Instance Method Details

#next ⇒ Object 



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# File 'lib/brutetools/bruteforce_generator.rb', line 12

def next
  return nil if @buff.all?{ |o| o == @alphabet.size - 1 }
  
  poped = []
  poped << @buff.pop while @buff.last == @alphabet.size - 1
  @buff[-1] += 1
  @buff += ([0] * poped.length)

  @buff.map{ |i| @alphabet[i] }.join
end