Class: RX

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

Overview

Regex string builder

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#final_reg ⇒ Object (readonly)

Returns the value of attribute final_reg.



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# File 'lib/rx.rb', line 5

def final_reg
  @final_reg
end

Class Method Details

.new {|instance| ... } ⇒ Object

Yields:

  • (instance) 


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# File 'lib/rx.rb', line 7

def self.new
  instance = allocate
  yield instance

  instance
end

Instance Method Details

#_final_reg ⇒ Object 



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# File 'lib/rx.rb', line 36

def _final_reg
  start      = @start[0] - 1
  final      = @finals[0] - 1
  lang       = @steps["l#{@steps.size - 1}"]
  @final_reg = lang[start][final]
end

#build(states, delta_star, start, finals) ⇒ Object 



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# File 'lib/rx.rb', line 14

def build(states, delta_star, start, finals)
  @states     = states
  @delta_star = delta_star
  @start      = start
  @finals     = finals
  @empty      = "\u2205"
  _to_reg
end

#print_matrix ⇒ Object 



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# File 'lib/rx.rb', line 23

def print_matrix
  @steps.each do |key, value|
    puts key
    value.transpose.each do |column|
      column.each do |element|
        printf("\t|%-#{value.map { |c| c.max_by(&:length).length }.max}s", element)
      end
      puts '|'
    end
  end
  _final_reg
end