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Direktori : /home2/selectio/www/ecommerce-website/website/vendor/symfony/console/Helper/ |
Current File : /home2/selectio/www/ecommerce-website/website/vendor/symfony/console/Helper/ProgressIndicator.php |
<?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\Exception\InvalidArgumentException; use Symfony\Component\Console\Exception\LogicException; use Symfony\Component\Console\Output\OutputInterface; /** * @author Kevin Bond <kevinbond@gmail.com> */ class ProgressIndicator { private const FORMATS = [ 'normal' => ' %indicator% %message%', 'normal_no_ansi' => ' %message%', 'verbose' => ' %indicator% %message% (%elapsed:6s%)', 'verbose_no_ansi' => ' %message% (%elapsed:6s%)', 'very_verbose' => ' %indicator% %message% (%elapsed:6s%, %memory:6s%)', 'very_verbose_no_ansi' => ' %message% (%elapsed:6s%, %memory:6s%)', ]; private $output; private $startTime; private $format; private $message; private $indicatorValues; private $indicatorCurrent; private $indicatorChangeInterval; private $indicatorUpdateTime; private $started = false; /** * @var array<string, callable> */ private static $formatters; /** * @param int $indicatorChangeInterval Change interval in milliseconds * @param array|null $indicatorValues Animated indicator characters */ public function __construct(OutputInterface $output, string $format = null, int $indicatorChangeInterval = 100, array $indicatorValues = null) { $this->output = $output; if (null === $format) { $format = $this->determineBestFormat(); } if (null === $indicatorValues) { $indicatorValues = ['-', '\\', '|', '/']; } $indicatorValues = array_values($indicatorValues); if (2 > \count($indicatorValues)) { throw new InvalidArgumentException('Must have at least 2 indicator value characters.'); } $this->format = self::getFormatDefinition($format); $this->indicatorChangeInterval = $indicatorChangeInterval; $this->indicatorValues = $indicatorValues; $this->startTime = time(); } /** * Sets the current indicator message. */ public function setMessage(?string $message) { $this->message = $message; $this->display(); } /** * Starts the indicator output. */ public function start(string $message) { if ($this->started) { throw new LogicException('Progress indicator already started.'); } $this->message = $message; $this->started = true; $this->startTime = time(); $this->indicatorUpdateTime = $this->getCurrentTimeInMilliseconds() + $this->indicatorChangeInterval; $this->indicatorCurrent = 0; $this->display(); } /** * Advances the indicator. */ public function advance() { if (!$this->started) { throw new LogicException('Progress indicator has not yet been started.'); } if (!$this->output->isDecorated()) { return; } $currentTime = $this->getCurrentTimeInMilliseconds(); if ($currentTime < $this->indicatorUpdateTime) { return; } $this->indicatorUpdateTime = $currentTime + $this->indicatorChangeInterval; ++$this->indicatorCurrent; $this->display(); } /** * Finish the indicator with message. * * @param $message */ public function finish(string $message) { if (!$this->started) { throw new LogicException('Progress indicator has not yet been started.'); } $this->message = $message; $this->display(); $this->output->writeln(''); $this->started = false; } /** * Gets the format for a given name. * * @return string|null */ public static function getFormatDefinition(string $name) { return self::FORMATS[$name] ?? null; } /** * Sets a placeholder formatter for a given name. * * This method also allow you to override an existing placeholder. */ public static function setPlaceholderFormatterDefinition(string $name, callable $callable) { if (!self::$formatters) { self::$formatters = self::initPlaceholderFormatters(); } self::$formatters[$name] = $callable; } /** * Gets the placeholder formatter for a given name (including the delimiter char like %). * * @return callable|null */ public static function getPlaceholderFormatterDefinition(string $name) { if (!self::$formatters) { self::$formatters = self::initPlaceholderFormatters(); } return self::$formatters[$name] ?? null; } private function display() { if (OutputInterface::VERBOSITY_QUIET === $this->output->getVerbosity()) { return; } $this->overwrite(preg_replace_callback("{%([a-z\-_]+)(?:\:([^%]+))?%}i", function ($matches) { if ($formatter = self::getPlaceholderFormatterDefinition($matches[1])) { return $formatter($this); } return $matches[0]; }, $this->format ?? '')); } private function determineBestFormat(): string { switch ($this->output->getVerbosity()) { // OutputInterface::VERBOSITY_QUIET: display is disabled anyway case OutputInterface::VERBOSITY_VERBOSE: return $this->output->isDecorated() ? 'verbose' : 'verbose_no_ansi'; case OutputInterface::VERBOSITY_VERY_VERBOSE: case OutputInterface::VERBOSITY_DEBUG: return $this->output->isDecorated() ? 'very_verbose' : 'very_verbose_no_ansi'; default: return $this->output->isDecorated() ? 'normal' : 'normal_no_ansi'; } } /** * Overwrites a previous message to the output. */ private function overwrite(string $message) { if ($this->output->isDecorated()) { $this->output->write("\x0D\x1B[2K"); $this->output->write($message); } else { $this->output->writeln($message); } } private function getCurrentTimeInMilliseconds(): float { return round(microtime(true) * 1000); } private static function initPlaceholderFormatters(): array { return [ 'indicator' => function (self $indicator) { return $indicator->indicatorValues[$indicator->indicatorCurrent % \count($indicator->indicatorValues)]; }, 'message' => function (self $indicator) { return $indicator->message; }, 'elapsed' => function (self $indicator) { return Helper::formatTime(time() - $indicator->startTime); }, 'memory' => function () { return Helper::formatMemory(memory_get_usage(true)); }, ]; } }