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