Module: JsonLogic::Trackable

Included in:
Evaluator
Defined in:
lib/json_logic/concerns/trackable.rb

Constant Summary collapse

COMPLEX_OPERATORS = 
%w[and or if ! !! ?:].freeze

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#tracker ⇒ Object (readonly)

Returns the value of attribute tracker.



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# File 'lib/json_logic/concerns/trackable.rb', line 7

def tracker
  @tracker
end

Instance Method Details

#commit_rule_result!(operator, data, rules, result) ⇒ Object 



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# File 'lib/json_logic/concerns/trackable.rb', line 17

def commit_rule_result!(operator, data, rules, result)
  if COMPLEX_OPERATORS.include?(operator)
    # change operand to parent & save result
    @tracker.result = result
    @tracker        = @tracker.parent unless @tracker.parent.nil?
    return result
  end
  var_name = get_var_name(operator, rules)
  @tracker.add_data_point(var_name, operator, rules, data, result)
  result
end

#init_tracker(operator) ⇒ Object 



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# File 'lib/json_logic/concerns/trackable.rb', line 9

def init_tracker(operator)
  if @tracker.nil?
    @tracker = Rule.new(operator)
  elsif COMPLEX_OPERATORS.include?(operator)
    @tracker = Rule.new(operator, @tracker)
  end
end