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编辑当前文件:/home2/sdektunc/www/libraries/vendor/symfony/console/Output/TrimmedBufferOutput.php
* * 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\Exception\InvalidArgumentException; use Symfony\Component\Console\Formatter\OutputFormatterInterface; /** * A BufferedOutput that keeps only the last N chars. * * @author Jérémy Derussé
*/ class TrimmedBufferOutput extends Output { private $maxLength; private $buffer = ''; public function __construct(int $maxLength, ?int $verbosity = self::VERBOSITY_NORMAL, bool $decorated = false, OutputFormatterInterface $formatter = null) { if ($maxLength <= 0) { throw new InvalidArgumentException(sprintf('"%s()" expects a strictly positive maxLength. Got %d.', __METHOD__, $maxLength)); } parent::__construct($verbosity, $decorated, $formatter); $this->maxLength = $maxLength; } /** * Empties buffer and returns its content. * * @return string */ public function fetch() { $content = $this->buffer; $this->buffer = ''; return $content; } /** * {@inheritdoc} */ protected function doWrite(string $message, bool $newline) { $this->buffer .= $message; if ($newline) { $this->buffer .= \PHP_EOL; } $this->buffer = substr($this->buffer, 0 - $this->maxLength); } }