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<?php |
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|
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declare(strict_types=1); |
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|
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/* |
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* The MIT License (MIT) |
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* |
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* Copyright (c) 2018-2020 Spomky-Labs |
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* |
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* This software may be modified and distributed under the terms |
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* of the MIT license. See the LICENSE file for details. |
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*/ |
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|
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namespace CBOR; |
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|
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use Brick\Math\BigInteger; |
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use InvalidArgumentException; |
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use function is_string; |
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|
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/** |
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* @internal |
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*/ |
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abstract class Utils |
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{ |
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public static function binToInt(string $value): int |
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{ |
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return self::binToBigInteger($value)->toInt(); |
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} |
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|
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public static function binToBigInteger(string $value): BigInteger |
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{ |
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return self::hexToBigInteger(bin2hex($value)); |
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} |
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|
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public static function hexToInt(string $value): int |
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{ |
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return self::hexToBigInteger($value)->toInt(); |
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} |
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|
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public static function hexToBigInteger(string $value): BigInteger |
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{ |
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return BigInteger::fromBase($value, 16); |
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} |
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|
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public static function hexToString(string $value): string |
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{ |
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return BigInteger::fromBase(bin2hex($value), 16)->toBase(10); |
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} |
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|
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public static function decode(string $data): string |
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{ |
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$decoded = base64_decode(strtr($data, '-_', '+/'), true); |
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if ($decoded === false) { |
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throw new InvalidArgumentException('Invalid data provided'); |
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} |
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|
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return $decoded; |
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} |
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|
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/** |
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* @param mixed|null $data |
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*/ |
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public static function assertString($data, ?string $message = null): void |
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{ |
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if (! is_string($data)) { |
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throw new InvalidArgumentException($message ?? ''); |
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} |
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} |
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} |
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|
