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<?php |
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/** |
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* Lenevor Framework |
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* |
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* LICENSE |
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* |
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* This source file is subject to the new BSD license that is bundled |
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* with this package in the file license.md. |
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* It is also available through the world-wide-web at this URL: |
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* https://lenevor.com/license |
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* If you did not receive a copy of the license and are unable to |
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* obtain it through the world-wide-web, please send an email |
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* to [email protected] so we can send you a copy immediately. |
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* |
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* @package Lenevor |
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* @subpackage Base |
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* @link https://lenevor.com |
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* @copyright Copyright (c) 2019 - 2023 Alexander Campo <[email protected]> |
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* @license https://opensource.org/licenses/BSD-3-Clause New BSD license or see https://lenevor.com/license or see /license.md |
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*/ |
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namespace Syscodes\Components\Finder\Comparators; |
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use InvalidArgumentException; |
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/** |
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* Allows realize compiles a simple comparison to an anonymous |
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* subroutine with number. |
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*/ |
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class NumberComparator extends Comparator |
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{ |
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/** |
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* Constructor. Create a new NumberComparator instance, |
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* |
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* @param string|null $value A comparison string or null |
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* |
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* @throws \InvalidArgumentException |
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*/ |
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public function __construct(?string $value) |
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{ |
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if (null === $value || !preg_match('#^\s*(==|!=|[<>]=?)?\s*([0-9\.]+)\s*([kmg]i?)?\s*$#i', $value, $matches)) { |
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throw new InvalidArgumentException(sprintf('Don\'t understand "%s" as a number test.', $value ?? 'null')); |
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} |
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$target = $matches[2]; |
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if ( ! is_numeric($target)) { |
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throw new InvalidArgumentException(sprintf('Invalid number "%s"', $target)); |
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} |
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if (isset($matches[3])) { |
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// magnitude |
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switch (strtolower($matches[3])) { |
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case 'k': |
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$target *= 1000; |
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break; |
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case 'ki': |
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$target *= 1024; |
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break; |
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case 'm': |
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$target *= 1000000; |
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break; |
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case 'mi': |
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$target *= 1024 * 1024; |
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break; |
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case 'g': |
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$target *= 1000000000; |
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break; |
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case 'gi': |
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$target *= 1024 * 1024 * 1024; |
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break; |
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} |
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} |
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parent::__construct($target, $matches[1] ?: '=='); |
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} |
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} |
lenevor /
syscodes
