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<?php |
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/* |
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* This file is part of the box project. |
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* |
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* (c) Kevin Herrera <[email protected]> |
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* Théo Fidry <[email protected]> |
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* |
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* This source file is subject to the MIT license that is bundled |
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* with this source code in the file LICENSE. |
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*/ |
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namespace _HumbugBox5addf3ce683e7\KevinGH\RequirementChecker; |
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/** |
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* This file is copy/pasted from the Symfony project to avoid a dependency on `symfony/console` which would be too big for just using this |
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* class. |
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* |
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* @license MIT (c) Fabien Potencier <[email protected]> |
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*/ |
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class Terminal |
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{ |
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private static $width; |
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private static $height; |
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/** |
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* Gets the terminal width. |
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* |
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* @return int |
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*/ |
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public function getWidth() |
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{ |
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$width = \getenv('COLUMNS'); |
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if (\false !== $width) { |
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return (int) \trim($width); |
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} |
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if (null === self::$width) { |
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self::initDimensions(); |
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} |
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return self::$width ?: 80; |
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} |
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/** |
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* Gets the terminal height. |
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* |
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* @return int |
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*/ |
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public function getHeight() |
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{ |
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$height = \getenv('LINES'); |
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if (\false !== $height) { |
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return (int) \trim($height); |
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} |
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if (null === self::$height) { |
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self::initDimensions(); |
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} |
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return self::$height ?: 50; |
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} |
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private static function initDimensions() |
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{ |
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if ('\\' === \DIRECTORY_SEPARATOR) { |
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if (\preg_match('/^(\\d+)x(\\d+)(?: \\((\\d+)x(\\d+)\\))?$/', \trim(\getenv('ANSICON')), $matches)) { |
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// extract [w, H] from "wxh (WxH)" |
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// or [w, h] from "wxh" |
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self::$width = (int) $matches[1]; |
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self::$height = isset($matches[4]) ? (int) $matches[4] : (int) $matches[2]; |
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} elseif (null !== ($dimensions = self::getConsoleMode())) { |
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// extract [w, h] from "wxh" |
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self::$width = (int) $dimensions[0]; |
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self::$height = (int) $dimensions[1]; |
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} |
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} elseif ($sttyString = self::getSttyColumns()) { |
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if (\preg_match('/rows.(\\d+);.columns.(\\d+);/i', $sttyString, $matches)) { |
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// extract [w, h] from "rows h; columns w;" |
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self::$width = (int) $matches[2]; |
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self::$height = (int) $matches[1]; |
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} elseif (\preg_match('/;.(\\d+).rows;.(\\d+).columns/i', $sttyString, $matches)) { |
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// extract [w, h] from "; h rows; w columns" |
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self::$width = (int) $matches[2]; |
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self::$height = (int) $matches[1]; |
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} |
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} |
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} |
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/** |
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* Runs and parses mode CON if it's available, suppressing any error output. |
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* |
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* @return null|int[] An array composed of the width and the height or null if it could not be parsed |
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*/ |
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private static function getConsoleMode() |
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{ |
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if (!\function_exists('proc_open')) { |
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return; |
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} |
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$descriptorspec = array(1 => array('pipe', 'w'), 2 => array('pipe', 'w')); |
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$process = \proc_open('mode CON', $descriptorspec, $pipes, null, null, array('suppress_errors' => \true)); |
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if (\is_resource($process)) { |
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$info = \stream_get_contents($pipes[1]); |
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\fclose($pipes[1]); |
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\fclose($pipes[2]); |
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\proc_close($process); |
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if (\preg_match('/--------+\\r?\\n.+?(\\d+)\\r?\\n.+?(\\d+)\\r?\\n/', $info, $matches)) { |
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return array((int) $matches[2], (int) $matches[1]); |
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} |
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} |
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} |
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/** |
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* Runs and parses stty -a if it's available, suppressing any error output. |
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* |
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* @return null|string |
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*/ |
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private static function getSttyColumns() |
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{ |
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if (!\function_exists('proc_open')) { |
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return; |
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} |
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$descriptorspec = array(1 => array('pipe', 'w'), 2 => array('pipe', 'w')); |
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$process = \proc_open('stty -a | grep columns', $descriptorspec, $pipes, null, null, array('suppress_errors' => \true)); |
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if (\is_resource($process)) { |
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$info = \stream_get_contents($pipes[1]); |
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\fclose($pipes[1]); |
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\fclose($pipes[2]); |
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\proc_close($process); |
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return $info; |
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} |
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return null; |
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} |
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} |
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humbug /
box
