Xiag\Rql\Parser\NodeParser\SortNodeParser

Complexity

Total Complexity

6

Size/Duplication

Total Lines	49
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	4

Test Coverage

Coverage

100%

Importance

Changes	1
Bugs	0	Features	0

3 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	4	1
B	parse()	0	22	4
A	supports()	0	4	1

<?php
namespace Xiag\Rql\Parser\NodeParser;

use Xiag\Rql\Parser\Token;
use Xiag\Rql\Parser\TokenStream;
use Xiag\Rql\Parser\NodeParserInterface;
use Xiag\Rql\Parser\Node\SortNode;
use Xiag\Rql\Parser\SubParserInterface;

class SortNodeParser implements NodeParserInterface
{
    /**
     * @var SubParserInterface
     */
    protected $fieldNameParser;

    /**
     * @param SubParserInterface $fieldNameParser
     */
    public function __construct(SubParserInterface $fieldNameParser)
    {
        $this->fieldNameParser = $fieldNameParser;
    }

    /**
     * @inheritdoc
     */
    public function parse(TokenStream $tokenStream)
    {
        $fields = [];

        $tokenStream->expect(Token::T_OPERATOR, 'sort');
        $tokenStream->expect(Token::T_OPEN_PARENTHESIS);

        do {
            $direction = $tokenStream->expect([Token::T_PLUS, Token::T_MINUS]);
            $fields[$this->fieldNameParser->parse($tokenStream)] = $direction->test(Token::T_PLUS) ?
                SortNode::SORT_ASC :
                SortNode::SORT_DESC;

            if (!$tokenStream->nextIf(Token::T_COMMA)) {
                break;
            }
        } while (true);

        $tokenStream->expect(Token::T_CLOSE_PARENTHESIS);

        return new SortNode($fields);
    }

    /**
     * @inheritdoc
     */
    public function supports(TokenStream $tokenStream)
    {
        return $tokenStream->test(Token::T_OPERATOR, 'sort');
    }
}