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<?php
namespace Xiag\Rql\Parser\SubLexer;
use Xiag\Rql\Parser\Token;
use Xiag\Rql\Parser\SubLexerInterface;
class FiqlOperatorSubLexer implements SubLexerInterface
{
private static $operatorMap = [
'=' => 'eq',
'==' => 'eq',
'!=' => 'ne',
'<>' => 'ne',
'>' => 'gt',
'<' => 'lt',
'>=' => 'ge',
'<=' => 'le',
];
/**
* @inheritdoc
*/
public function getTokenAt($code, $cursor)
if (!preg_match('/(=[a-z]\w*=|==|!=|<>|>=|<=|<|>|==|=)/Ai', $code, $matches, null, $cursor)) {
return null;
}
return new Token(
Token::T_OPERATOR,
$this->getValue($matches[0]),
$cursor,
$cursor + strlen($matches[0])
);
private function getValue($match)
if (isset(self::$operatorMap[$match])) {
return self::$operatorMap[$match];
} else {
return substr($match, 1, -1);
xiag-ag /
rql-parser
