Class: BB::Evaluator::Formula

Inherits:
Object
  • Object
show all
Defined in:
lib/b_b/evaluator/formula.rb

Constant Summary collapse

EVALUATE_TYPES = 
%i(between contains equals gt gteq in is lt lteq match).freeze

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(value, options = {}) ⇒ Formula

Returns a new instance of Formula.



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# File 'lib/b_b/evaluator/formula.rb', line 8

def initialize(value, options = {})
  @value    = value
  @operator = options[:operator]
  @negation = options[:negation]
end

Instance Attribute Details

#negation ⇒ Object (readonly)

Returns the value of attribute negation.



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# File 'lib/b_b/evaluator/formula.rb', line 6

def negation
  @negation
end

#operator ⇒ Object (readonly)

Returns the value of attribute operator.



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# File 'lib/b_b/evaluator/formula.rb', line 6

def operator
  @operator
end

#value ⇒ Object (readonly)

Returns the value of attribute value.



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# File 'lib/b_b/evaluator/formula.rb', line 6

def value
  @value
end

Class Method Details

.eval_type(value, options = {}) ⇒ Object 



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# File 'lib/b_b/evaluator/formula.rb', line 75

def eval_type(value, options = {})
  new(value, options).eval_type
end

Instance Method Details

#eval_type ⇒ Object 



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# File 'lib/b_b/evaluator/formula.rb', line 14

def eval_type
  evaluated_type = EVALUATE_TYPES.detect { |type| send("#{type}?") }

  if !evaluated_type.nil? && negative? && !double_negative?
    :"not_#{evaluated_type}"
  else
    evaluated_type
  end
end