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Directory >> /var/www/html/back/vendor/symfony/console/Output/

File / Folder	Size	Action
.	-
AnsiColorMode.php	3.41KB	edt ren
BufferedOutput.php	0.789KB	edt ren
ConsoleOutput.php	4.645KB	edt ren
ConsoleOutputInterface.php	0.767KB	edt ren
ConsoleSectionOutput.php	8.204KB	edt ren
NullOutput.php	1.959KB	edt ren
Output.php	4.181KB	edt ren
OutputInterface.php	2.736KB	edt ren
StreamOutput.php	4.105KB	edt ren
TrimmedBufferOutput.php	1.517KB	edt ren

<?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\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 <fabien@symfony.com>
 */
class StreamOutput extends Output
{
    /** @var resource */
    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;

$decorated ??= $this->hasColorSupport();

parent::__construct($verbosity, $decorated, $formatter);
    }

/**
     * Gets the stream attached to this StreamOutput instance.
     *
     * @return resource
     */
    public function getStream()
    {
        return $this->stream;
    }

protected function doWrite(string $message, bool $newline): void
    {
        if ($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 ('' !== (($_SERVER['NO_COLOR'] ?? getenv('NO_COLOR'))[0] ?? '')) {
            return false;
        }

// Follow https://force-color.org/
        if ('' !== (($_SERVER['FORCE_COLOR'] ?? getenv('FORCE_COLOR'))[0] ?? '')) {
            return true;
        }

// Detect msysgit/mingw and assume this is a tty because detection
        // does not work correctly, see https://github.com/composer/composer/issues/9690
        if (!@stream_isatty($this->stream) && !\in_array(strtoupper((string) getenv('MSYSTEM')), ['MINGW32', 'MINGW64'], true)) {
            return false;
        }

if ('\\' === \DIRECTORY_SEPARATOR && @sapi_windows_vt100_support($this->stream)) {
            return true;
        }

if ('Hyper' === getenv('TERM_PROGRAM')
            || false !== getenv('COLORTERM')
            || false !== getenv('ANSICON')
            || 'ON' === getenv('ConEmuANSI')
        ) {
            return true;
        }

if ('dumb' === $term = (string) getenv('TERM')) {
            return false;
        }

// See https://github.com/chalk/supports-color/blob/d4f413efaf8da045c5ab440ed418ef02dbb28bf1/index.js#L157
        return preg_match('/^((screen|xterm|vt100|vt220|putty|rxvt|ansi|cygwin|linux).*)|(.*-256(color)?(-bce)?)$/', $term);
    }
}

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