Class: ActionDispatch::Journey::GTG::Simulator
- Inherits:
-
Object
- Object
- ActionDispatch::Journey::GTG::Simulator
- Defined in:
- lib/action_dispatch/journey/gtg/simulator.rb
Overview
:nodoc:
Instance Attribute Summary collapse
-
#tt ⇒ Object
readonly
Returns the value of attribute tt.
Instance Method Summary collapse
-
#initialize(transition_table) ⇒ Simulator
constructor
A new instance of Simulator.
- #memos(string) ⇒ Object
Constructor Details
#initialize(transition_table) ⇒ Simulator
Returns a new instance of Simulator.
19 20 21 |
# File 'lib/action_dispatch/journey/gtg/simulator.rb', line 19 def initialize(transition_table) @tt = transition_table end |
Instance Attribute Details
#tt ⇒ Object (readonly)
Returns the value of attribute tt.
17 18 19 |
# File 'lib/action_dispatch/journey/gtg/simulator.rb', line 17 def tt @tt end |
Instance Method Details
#memos(string) ⇒ Object
23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 |
# File 'lib/action_dispatch/journey/gtg/simulator.rb', line 23 def memos(string) input = StringScanner.new(string) state = [0] while sym = input.scan(%r([/.?]|[^/.?]+)) state = tt.move(state, sym) end acceptance_states = state.find_all { |s| tt.accepting? s } return yield if acceptance_states.empty? acceptance_states.flat_map { |x| tt.memo(x) }.compact end |