JsonHandler::validate() - Code Metrics - Inspection of "Refactoring rules concept" - yiisoft/validator - Measure and Improve Code Quality continuously with Scrutinizer

Test Failed

Pull Request — master (#222)

by Rustam

created 2022-06-01 06:36 UTC

JsonHandler::validate() A

↳ Parent: JsonHandler

Complexity

Conditions	3
Paths	3

Size

Total Lines	13
Code Lines	6

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
eloc	6
dl	0
loc	13
rs	10
c	0
b	0
f	0
cc	3
nc	3
nop	3

<?php

declare(strict_types=1);

namespace Yiisoft\Validator\Rule;

use Yiisoft\Validator\Result;
use Yiisoft\Validator\ValidationContext;
use function is_string;
use Yiisoft\Validator\Exception\UnexpectedRuleException;

/**
 * Validates that the value is a valid json.
 */
final class JsonHandler implements RuleHandlerInterface
{
    public function validate(mixed $value, object $rule, ?ValidationContext $context = null): Result
    {
        if (!$rule instanceof Json) {
            throw new UnexpectedRuleException(Json::class, $rule);
        }

        $result = new Result();

        if (!$this->isValidJson($value)) {
            $result->addError($rule->getMessage());
        }

        return $result;
    }

    private function isValidJson($value): bool
    {
        // Regular expression is built based on JSON grammar specified at
        // https://tools.ietf.org/html/rfc8259
        $regex = <<<'REGEX'
        /
        (?(DEFINE)
            (?<json>(?>\s*(?&object)\s*|\s*(?&array)\s*))
            (?<object>(?>\{\s*(?>(?&member)(?>\s*,\s*(?&member))*)?\s*\}))
            (?<member>(?>(?&string)\s*:\s*(?&value)))
            (?<array>(?>\[\s*(?>(?&value)(?>\s*,\s*(?&value))*)?\s*\]))
            (?<value>(?>)false|null|true|(?&object)|(?&array)|(?&number)|(?&string))
            (?<number>(?>-?(?>0|[1-9]\d*)(?>\.\d+)?(?>[eE][-+]?\d+)?))
            (?<string>(?>"(?>\\(?>["\\\/bfnrt]|u[a-fA-F0-9]{4})|[^"\\\0-\x1F\x7F]+)*"))
        )
        \A(?&json)\z
        /x
        REGEX;

        return is_string($value) && preg_match($regex, $value) === 1;
    }
}


1			<?php
2
3			declare(strict_types=1);
4
5			namespace Yiisoft\Validator\Rule;
6
7			use Yiisoft\Validator\Result;
8			use Yiisoft\Validator\ValidationContext;
9			use function is_string;
10			use Yiisoft\Validator\Exception\UnexpectedRuleException;
11
12			/**
13			* Validates that the value is a valid json.
14			*/
15			final class JsonHandler implements RuleHandlerInterface
16			{
17			public function validate(mixed $value, object $rule, ?ValidationContext $context = null): Result
18			{
19			if (!$rule instanceof Json) {
20			throw new UnexpectedRuleException(Json::class, $rule);
21			}
22
23			$result = new Result();
24
25			if (!$this->isValidJson($value)) {
26			$result->addError($rule->getMessage());
27			}
28
29			return $result;
30			}
31
32			private function isValidJson($value): bool
33			{
34			// Regular expression is built based on JSON grammar specified at
35			// https://tools.ietf.org/html/rfc8259
36			$regex = <<<'REGEX'
37			/
38			(?(DEFINE)
39			(?<json>(?>\s(?&object)\s\|\s(?&array)\s))
40			(?<object>(?>\{\s(?>(?&member)(?>\s,\s(?&member)))?\s*\}))
41			(?<member>(?>(?&string)\s:\s(?&value)))
42			(?<array>(?>\[\s(?>(?&value)(?>\s,\s(?&value)))?\s*\]))
43			(?<value>(?>)false\|null\|true\|(?&object)\|(?&array)\|(?&number)\|(?&string))
44			(?<number>(?>-?(?>0\|[1-9]\d*)(?>\.\d+)?(?>[eE][-+]?\d+)?))
45			(?<string>(?>"(?>\\(?>["\\\/bfnrt]\|u[a-fA-F0-9]{4})\|[^"\\\0-\x1F\x7F]+)*"))
46			)
47			\A(?&json)\z
48			/x
49			REGEX;
50
51			return is_string($value) && preg_match($regex, $value) === 1;
52			}
53			}
54

yiisoft / validator

Pull Request — master (#222)

JsonHandler::validate() A

Complexity

Size

Duplication

Importance

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