Xiag\Rql\Parser\SubLexer\FiqlOperatorSubLexer

Complexity

Total Complexity

4

Size/Duplication

Total Lines	42
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	1

Test Coverage

Coverage

100%

Importance

Changes

0

2 Methods

Rating	Name	Duplication	Size	Complexity
A	getTokenAt()	0	13	2
A	getValue()	0	8	2

<?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);
        }
    }
}