home/alospiesjs/www/apis/youtube/vendor/symfony/console/Output/StreamOutput.php000060400000006710151160371610024255 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\Exception\InvalidArgumentException; use Symfony\Component\Console\Formatter\OutputFormatterInterface; /** * StreamOutput writes the output to a given stream. * * Usage: * * $output = new StreamOutput(fopen('php://stdout', 'w')); * * As `StreamOutput` can use any stream, you can also use a file: * * $output = new StreamOutput(fopen('/path/to/output.log', 'a', false)); * * @author Fabien Potencier */ class StreamOutput extends Output { private $stream; /** * @param resource $stream A stream resource * @param int $verbosity The verbosity level (one of the VERBOSITY constants in OutputInterface) * @param bool|null $decorated Whether to decorate messages (null for auto-guessing) * @param OutputFormatterInterface|null $formatter Output formatter instance (null to use default OutputFormatter) * * @throws InvalidArgumentException When first argument is not a real stream */ public function __construct($stream, int $verbosity = self::VERBOSITY_NORMAL, bool $decorated = null, OutputFormatterInterface $formatter = null) { if (!\is_resource($stream) || 'stream' !== get_resource_type($stream)) { throw new InvalidArgumentException('The StreamOutput class needs a stream as its first argument.'); } $this->stream = $stream; if (null === $decorated) { $decorated = $this->hasColorSupport(); } parent::__construct($verbosity, $decorated, $formatter); } /** * Gets the stream attached to this StreamOutput instance. * * @return resource */ public function getStream() { return $this->stream; } /** * {@inheritdoc} */ protected function doWrite(string $message, bool $newline) { if ($newline) { $message .= \PHP_EOL; } @fwrite($this->stream, $message); fflush($this->stream); } /** * Returns true if the stream supports colorization. * * Colorization is disabled if not supported by the stream: * * This is tricky on Windows, because Cygwin, Msys2 etc emulate pseudo * terminals via named pipes, so we can only check the environment. * * Reference: Composer\XdebugHandler\Process::supportsColor * https://github.com/composer/xdebug-handler * * @return bool true if the stream supports colorization, false otherwise */ protected function hasColorSupport(): bool { // Follow https://no-color.org/ if (isset($_SERVER['NO_COLOR']) || false !== getenv('NO_COLOR')) { return false; } if ('Hyper' === getenv('TERM_PROGRAM')) { return true; } if (\DIRECTORY_SEPARATOR === '\\') { return (\function_exists('sapi_windows_vt100_support') && @sapi_windows_vt100_support($this->stream)) || false !== getenv('ANSICON') || 'ON' === getenv('ConEmuANSI') || 'xterm' === getenv('TERM'); } return stream_isatty($this->stream); } }