1: <?php
 2: 
 3: namespace BN\Compiler\Grammar;
 4: 
 5: class Operators
 6: {
 7:     private $operators = array();
 8: 
 9:     public function register($symbol, OperatorBuilder $builder)
10:     {
11:         $this->operators[$symbol]['order'] = $builder->buildOrder();
12:         $this->operators[$symbol]['evaluator'] = $builder->buildEvaluator();
13:         $this->operators[$symbol]['operands'] = $builder->buildOperands();
14:     }
15: 
16:     public function exists($operatorSymbol)
17:     {
18:         return array_key_exists($operatorSymbol, $this->operators);
19:     }
20: 
21:     /** @return \BN\Compiler\Parser\Operator\OperatorOrder */
22:     public function getOrder($operatorSymbol)
23:     {
24:         return $this->operators[$operatorSymbol]['order'];
25:     }
26: 
27:     /** @return \BN\Compiler\Postfix\Operands\Operands */
28:     public function getOperands($operatorSymbol)
29:     {
30:         return $this->operators[$operatorSymbol]['operands'];
31:     }
32: 
33:     /** @return \BN\Compiler\Postfix\Operator\OperatorEvaluator */
34:     public function getEvaluator($operatorSymbol)
35:     {
36:         return $this->operators[$operatorSymbol]['evaluator'];
37:     }
38: }
39: