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<?php |
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declare(strict_types=1); |
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/** |
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* tubee.io |
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* |
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* @copyright Copryright (c) 2017-2019 gyselroth GmbH (https://gyselroth.com) |
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* @license GPL-3.0 https://opensource.org/licenses/GPL-3.0 |
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*/ |
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namespace Tubee\V8; |
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use Psr\Log\LoggerInterface; |
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use V8Js; |
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class Engine extends V8Js |
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{ |
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protected $__result; |
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/** |
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* Create v8 engine with some default functionality. |
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*/ |
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public function __construct(LoggerInterface $logger) |
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{ |
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parent::__construct('core', [], [], true, ''); |
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$this->logger = $logger; |
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$this->registerFunctions(); |
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$this->setMemoryLimit(50000000); |
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} |
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public function result($result) |
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{ |
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$this->__result = $result; |
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} |
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public function getLastResult() |
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{ |
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$result = $this->__result; |
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$this->__result = null; |
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return $result; |
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} |
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/** |
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* Convert to UTF16. |
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*/ |
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public function utf16(string $string): string |
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{ |
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$len = strlen($string); |
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$new = ''; |
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for ($i = 0; $i < $len; ++$i) { |
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$new .= "{$string[$i]}\000"; |
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} |
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return $new; |
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} |
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/** |
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* Create UUIDv4. |
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*/ |
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public function uuidv4(): string |
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{ |
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return sprintf( |
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'%04x%04x-%04x-%04x-%04x-%04x%04x%04x', |
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// 32 bits for "time_low" |
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mt_rand(0, 0xffff), |
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mt_rand(0, 0xffff), |
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// 16 bits for "time_mid" |
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mt_rand(0, 0xffff), |
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// 16 bits for "time_hi_and_version", |
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// four most significant bits holds version number 4 |
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mt_rand(0, 0x0fff) | 0x4000, |
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// 16 bits, 8 bits for "clk_seq_hi_res", |
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// 8 bits for "clk_seq_low", |
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// two most significant bits holds zero and one for variant DCE1.1 |
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mt_rand(0, 0x3fff) | 0x8000, |
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// 48 bits for "node" |
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mt_rand(0, 0xffff), |
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mt_rand(0, 0xffff), |
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mt_rand(0, 0xffff) |
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); |
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} |
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/** |
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* Register functions. |
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*/ |
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protected function registerFunctions(): void |
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{ |
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$this->crypt = [ |
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'hash' => function ($algo, $data, $raw_output = false) { |
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return hash($algo, $data, $raw_output); |
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}, |
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]; |
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} |
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} |
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gyselroth /
tubee
