TheAentMachine\Question\CommonValidators

Complexity

Total Complexity

13

Size/Duplication

Total Lines	74
Duplicated Lines	0 %

Importance

Changes

0

5 Methods

Rating	Name	Duplication	Size	Complexity
A	getAbsolutePathValidator()	0	8	2
A	getIPv4Validator()	0	8	2
A	getDomainNameValidator()	0	8	2
A	getDomainNameWithPortValidator()	0	8	2
A	getAlphaValidator()	0	23	5

<?php

namespace TheAentMachine\Question;

final class CommonValidators
{
    /**
     * @param string[]|null $additionalCharacters
     * @param null|string $hint
     * @return \Closure
     */
    public static function getAlphaValidator(?array $additionalCharacters = null, ?string $hint = null): \Closure
    {
        return function (string $value) use ($additionalCharacters, $hint) {
            $value = trim($value);
            $pattern = '/^[a-zA-Z0-9';

            if (!empty($additionalCharacters)) {
                foreach ($additionalCharacters as $character) {
                    $pattern .= $character;
                }
            }

            $pattern .= ']+$/';

            if (!\preg_match($pattern, $value)) {
                $message = 'Invalid value "' . $value . '".';
                if (!empty($hint)) {
                    $message .= "Hint: $hint";
                }
                throw new \InvalidArgumentException($message);
            }

            return $value;
        };
    }

    public static function getAbsolutePathValidator(): \Closure
    {
        return function (string $value) {
            $value = trim($value);
            if (!\preg_match('/^[\'"]?(?:\/[^\/\n]+)*[\'"]?$/', $value)) {
                throw new \InvalidArgumentException('Invalid value "' . $value . '". Hint: path has to be absolute without trailing "/".');
            }
            return $value;
        };
    }

    public static function getDomainNameValidator(): \Closure
    {
        return function (string $value) {
            $value = trim($value);
            if (!\preg_match('/^(?!:\/\/)([a-zA-Z0-9-_]+\.)*[a-zA-Z0-9][a-zA-Z0-9-_]+\.[a-zA-Z]{2,11}?$/im', $value)) {
                throw new \InvalidArgumentException('Invalid value "' . $value . '". Hint: the domain name must not start with "http(s)://".');
            }
            return $value;
        };
    }

    public static function getDomainNameWithPortValidator(): \Closure
    {
        return function (string $value) {
            $value = trim($value);
            if (!\preg_match('/^(?!:\/\/)([a-zA-Z0-9-_]+\.)*[a-zA-Z0-9][a-zA-Z0-9-_]+\.[a-zA-Z]{2,11}?:[0-9]*$/im', $value)) {
                throw new \InvalidArgumentException('Invalid value "' . $value . '". Hint: the domain name must not start with "http(s)://".');
            }
            return $value;
        };
    }

    public static function getIPv4Validator(): \Closure
    {
        return function (string $value) {
            $value = trim($value);
            if (!\preg_match('/^((25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$/', $value)) {
                throw new \InvalidArgumentException('Invalid value "' . $value . '".');
            }
            return $value;
        };
    }
}