Limit::parse() - Code Metrics - Stratadox/Parser - Measure and Improve Code Quality continuously with Scrutinizer

Limit::parse() A
last analyzed 2023-11-13 12:37 UTC

↳ Parent: Limit

Complexity

Conditions	2
Paths	2

Size

Total Lines	11
Code Lines	6

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
eloc	6
c	1
b	0
f	0
dl	0
loc	11
rs	10
cc	2
nc	2
nop	1

<?php declare(strict_types=1);

namespace Stratadox\Parser\Parsers;

use Stratadox\Parser\Parser;
use Stratadox\Parser\Result;
use Stratadox\Parser\Results\Error;

/**
 * Lazy-Limit
 *
 * Safety harness to prevent left-recursion from eating infinite resources.
 */
final class Limit extends Parser
{
    private array $locked = [];

    public function __construct(private Parser $parser) {}

    public function parse(string $input): Result
    {
        if (isset($this->locked[$input])) {
            return Error::in($input);
        }

        $this->locked[$input] = true;
        $result = $this->parser->parse($input);
        unset($this->locked[$input]);

        return $result;
    }
}


1			<?php declare(strict_types=1);
2
3			namespace Stratadox\Parser\Parsers;
4
5			use Stratadox\Parser\Parser;
6			use Stratadox\Parser\Result;
7			use Stratadox\Parser\Results\Error;
8
9			/**
10			* Lazy-Limit
11			*
12			* Safety harness to prevent left-recursion from eating infinite resources.
13			*/
14			final class Limit extends Parser
15			{
16			private array $locked = [];
17
18			public function __construct(private Parser $parser) {}
19
20			public function parse(string $input): Result
21			{
22			if (isset($this->locked[$input])) {
23			return Error::in($input);
24			}
25
26			$this->locked[$input] = true;
27			$result = $this->parser->parse($input);
28			unset($this->locked[$input]);
29
30			return $result;
31			}
32			}
33

Stratadox / Parser

Limit::parse() A last analyzed 2023-11-13 12:37 UTC

Complexity

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Duplication

Importance

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Limit::parse() A
last analyzed 2023-11-13 12:37 UTC