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Class: ActionDispatch::Journey::GTG::Simulator

Do not use. This class is for internal use only.
Relationships & Source Files
Inherits: Object
Defined in: actionpack/lib/action_dispatch/journey/gtg/simulator.rb

Constant Summary

Class Method Summary

Instance Attribute Summary

Instance Method Summary

Constructor Details

.new(transition_table) ⇒ Simulator

[ GitHub ] 

  


# File 'actionpack/lib/action_dispatch/journey/gtg/simulator.rb', line 21



def initialize(transition_table)
  @tt = transition_table
end


  







Instance Attribute Details



  

    #tt   (readonly)
  

  [ GitHub ]


  

  


# File 'actionpack/lib/action_dispatch/journey/gtg/simulator.rb', line 19



attr_reader :tt


  







Instance Method Details



  

    #memos(string)  
  

  [ GitHub ]


  

  


# File 'actionpack/lib/action_dispatch/journey/gtg/simulator.rb', line 25



def memos(string)
  input = StringScanner.new(string)
  state = INITIAL_STATE
  start_index = 0

  while sym = input.scan(%r([/.?]|[^/.?]+))
    end_index = start_index + sym.length

    state = tt.move(state, string, start_index, end_index)

    start_index = end_index
  end

  acceptance_states = state.each_with_object([]) do |s_d, memos|
    s, idx = s_d
    memos.concat(tt.memo(s)) if idx.nil? && tt.accepting?(s)
  end

  acceptance_states.empty? ? yield : acceptance_states
end