1: <?php
 2: 
 3: namespace BN\Compiler\Scanner\Converter;
 4: 
 5: use BN\Compiler\Token\Token;
 6: use BN\Compiler\Scanner\LexemeConverter;
 7: 
 8: class LexemeToKeyword implements LexemeConverter
 9: {
10:     private $keywords;
11: 
12:     public function __construct(array $keywords)
13:     {
14:         $this->keywords = $keywords;
15:     }
16: 
17:     public function canConvertLexeme($lexeme)
18:     {
19:         return array_key_exists($lexeme, $this->keywords);
20:     }
21: 
22:     public function convertLexeme($lexeme)
23:     {
24:         return new Token($this->keywords[$lexeme], $lexeme);
25:     }
26: }
27: