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-rw-r--r--Aufgabe06/vendor/symfony/console/Symfony/Component/Console/Output/StreamOutput.php103
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+<?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\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>
+ *
+ * @api
+ */
+class StreamOutput extends Output
+{
+ private $stream;
+
+ /**
+ * Constructor.
+ *
+ * @param mixed $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 $formatter Output formatter instance (null to use default OutputFormatter)
+ *
+ * @throws \InvalidArgumentException When first argument is not a real stream
+ *
+ * @api
+ */
+ public function __construct($stream, $verbosity = self::VERBOSITY_NORMAL, $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 A stream resource
+ */
+ public function getStream()
+ {
+ return $this->stream;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function doWrite($message, $newline)
+ {
+ if (false === @fwrite($this->stream, $message.($newline ? PHP_EOL : ''))) {
+ // should never happen
+ throw new \RuntimeException('Unable to write output.');
+ }
+
+ fflush($this->stream);
+ }
+
+ /**
+ * Returns true if the stream supports colorization.
+ *
+ * Colorization is disabled if not supported by the stream:
+ *
+ * - Windows without Ansicon and ConEmu
+ * - non tty consoles
+ *
+ * @return bool true if the stream supports colorization, false otherwise
+ */
+ protected function hasColorSupport()
+ {
+ if (DIRECTORY_SEPARATOR == '\\') {
+ return false !== getenv('ANSICON') || 'ON' === getenv('ConEmuANSI');
+ }
+
+ return function_exists('posix_isatty') && @posix_isatty($this->stream);
+ }
+}