home/alospiesjs/www/apis/youtube/vendor/symfony/console/Output/ConsoleSectionOutput.php000060400000010114151157202210025735 0ustar00 * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Symfony\Component\Console\Output; use Symfony\Component\Console\Formatter\OutputFormatterInterface; use Symfony\Component\Console\Helper\Helper; use Symfony\Component\Console\Terminal; /** * @author Pierre du Plessis * @author Gabriel Ostrolucký */ class ConsoleSectionOutput extends StreamOutput { private array $content = []; private int $lines = 0; private array $sections; private $terminal; /** * @param resource $stream * @param ConsoleSectionOutput[] $sections */ public function __construct($stream, array &$sections, int $verbosity, bool $decorated, OutputFormatterInterface $formatter) { parent::__construct($stream, $verbosity, $decorated, $formatter); array_unshift($sections, $this); $this->sections = &$sections; $this->terminal = new Terminal(); } /** * Clears previous output for this section. * * @param int $lines Number of lines to clear. If null, then the entire output of this section is cleared */ public function clear(int $lines = null) { if (empty($this->content) || !$this->isDecorated()) { return; } if ($lines) { array_splice($this->content, -($lines * 2)); // Multiply lines by 2 to cater for each new line added between content } else { $lines = $this->lines; $this->content = []; } $this->lines -= $lines; parent::doWrite($this->popStreamContentUntilCurrentSection($lines), false); } /** * Overwrites the previous output with a new message. */ public function overwrite(string|iterable $message) { $this->clear(); $this->writeln($message); } public function getContent(): string { return implode('', $this->content); } /** * @internal */ public function addContent(string $input) { foreach (explode(\PHP_EOL, $input) as $lineContent) { $this->lines += ceil($this->getDisplayLength($lineContent) / $this->terminal->getWidth()) ?: 1; $this->content[] = $lineContent; $this->content[] = \PHP_EOL; } } /** * {@inheritdoc} */ protected function doWrite(string $message, bool $newline) { if (!$this->isDecorated()) { parent::doWrite($message, $newline); return; } $erasedContent = $this->popStreamContentUntilCurrentSection(); $this->addContent($message); parent::doWrite($message, true); parent::doWrite($erasedContent, false); } /** * At initial stage, cursor is at the end of stream output. This method makes cursor crawl upwards until it hits * current section. Then it erases content it crawled through. Optionally, it erases part of current section too. */ private function popStreamContentUntilCurrentSection(int $numberOfLinesToClearFromCurrentSection = 0): string { $numberOfLinesToClear = $numberOfLinesToClearFromCurrentSection; $erasedContent = []; foreach ($this->sections as $section) { if ($section === $this) { break; } $numberOfLinesToClear += $section->lines; $erasedContent[] = $section->getContent(); } if ($numberOfLinesToClear > 0) { // move cursor up n lines parent::doWrite(sprintf("\x1b[%dA", $numberOfLinesToClear), false); // erase to end of screen parent::doWrite("\x1b[0J", false); } return implode('', array_reverse($erasedContent)); } private function getDisplayLength(string $text): int { return Helper::width(Helper::removeDecoration($this->getFormatter(), str_replace("\t", ' ', $text))); } }