139 lines
3.7 KiB
PHP
139 lines
3.7 KiB
PHP
<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Console\Helper;
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use Symfony\Component\Console\Formatter\OutputFormatterInterface;
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/**
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* Helper is the base class for all helper classes.
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*
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* @author Fabien Potencier <fabien@symfony.com>
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*/
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abstract class Helper implements HelperInterface
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{
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protected $helperSet = null;
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/**
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* {@inheritdoc}
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*/
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public function setHelperSet(HelperSet $helperSet = null)
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{
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$this->helperSet = $helperSet;
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}
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/**
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* {@inheritdoc}
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*/
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public function getHelperSet()
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{
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return $this->helperSet;
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}
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/**
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* Returns the length of a string, using mb_strwidth if it is available.
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*
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* @param string $string The string to check its length
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*
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* @return int The length of the string
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*/
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public static function strlen($string)
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{
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if (false === $encoding = mb_detect_encoding($string, null, true)) {
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return strlen($string);
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}
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return mb_strwidth($string, $encoding);
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}
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/**
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* Returns the subset of a string, using mb_substr if it is available.
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*
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* @param string $string String to subset
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* @param int $from Start offset
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* @param int|null $length Length to read
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*
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* @return string The string subset
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*/
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public static function substr($string, $from, $length = null)
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{
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if (false === $encoding = mb_detect_encoding($string, null, true)) {
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return substr($string, $from, $length);
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}
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return mb_substr($string, $from, $length, $encoding);
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}
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public static function formatTime($secs)
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{
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static $timeFormats = array(
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array(0, '< 1 sec'),
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array(1, '1 sec'),
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array(2, 'secs', 1),
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array(60, '1 min'),
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array(120, 'mins', 60),
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array(3600, '1 hr'),
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array(7200, 'hrs', 3600),
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array(86400, '1 day'),
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array(172800, 'days', 86400),
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);
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foreach ($timeFormats as $index => $format) {
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if ($secs >= $format[0]) {
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if ((isset($timeFormats[$index + 1]) && $secs < $timeFormats[$index + 1][0])
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|| $index == count($timeFormats) - 1
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) {
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if (2 == count($format)) {
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return $format[1];
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}
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return floor($secs / $format[2]).' '.$format[1];
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}
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}
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}
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}
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public static function formatMemory($memory)
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{
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if ($memory >= 1024 * 1024 * 1024) {
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return sprintf('%.1f GiB', $memory / 1024 / 1024 / 1024);
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}
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if ($memory >= 1024 * 1024) {
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return sprintf('%.1f MiB', $memory / 1024 / 1024);
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}
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if ($memory >= 1024) {
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return sprintf('%d KiB', $memory / 1024);
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}
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return sprintf('%d B', $memory);
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}
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public static function strlenWithoutDecoration(OutputFormatterInterface $formatter, $string)
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{
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return self::strlen(self::removeDecoration($formatter, $string));
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}
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public static function removeDecoration(OutputFormatterInterface $formatter, $string)
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{
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$isDecorated = $formatter->isDecorated();
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$formatter->setDecorated(false);
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// remove <...> formatting
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$string = $formatter->format($string);
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// remove already formatted characters
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$string = preg_replace("/\033\[[^m]*m/", '', $string);
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$formatter->setDecorated($isDecorated);
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return $string;
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}
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}
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