Regex::getMessage()   A
last analyzed

Complexity

Conditions 1
Paths 1

Size

Total Lines 3
Code Lines 1

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 2
CRAP Score 1

Importance

Changes 0
Metric Value
cc 1
eloc 1
nc 1
nop 0
dl 0
loc 3
ccs 2
cts 2
cp 1
crap 1
rs 10
c 0
b 0
f 0
1
<?php
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/**
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 * Linna Filter
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 *
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 * @author Sebastian Rapetti <[email protected]>
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 * @copyright (c) 2018, Sebastian Rapetti
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 * @license http://opensource.org/licenses/MIT MIT License
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 */
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declare(strict_types=1);
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namespace Linna\Filter\Rules;
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use InvalidArgumentException;
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/**
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 * Check if passed string match a regex
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 */
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class Regex implements RuleValidateInterface
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{
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    /**
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     * @var array Rule properties
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     */
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    public static $config = [
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        'full_class' => __CLASS__,
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        'alias' => ['regex', 'rex', 'rx'],
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        'args_count' => 1,
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        'args_type' => ['string']
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    ];
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    /**
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     * @var string Error message
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     */
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    private $message = '';
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    /**
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     * Validate.
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     *
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     * @return bool
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     */
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    public function validate(): bool
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    {
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        $args = \func_get_args();
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        return $this->concreteValidate($args[0], $args[1]);
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    }
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    /**
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     * Concrete validate.
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     *
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     * @param string $received
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     * @param string $regex
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     *
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     * @return bool
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     *
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     * @throws InvalidArgumentException If a bad regex is provided.
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     */
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    private function concreteValidate(string $received, string $regex): bool
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    {
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        $matches = [];
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        //error suppressed with @ because if occours preg_match PHP show a warning
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        //error replaced with exception
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        $result = @\preg_match($regex, $received, $matches);
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        if ($result === false) {
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            throw new InvalidArgumentException("Invalid regex provided {$regex}.");
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        }
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        if ($result === 0) {
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            $this->message = "Received value not match regex {$regex}";
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            return true;
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        }
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        return false;
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    }
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    /**
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     * Return error message.
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     *
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     * @return string Error message
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     */
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    public function getMessage(): string
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    {
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        return $this->message;
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    }
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}
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