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vendor/symfony/console/Output/ConsoleOutput.php

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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;
+
+/**
+ * ConsoleOutput is the default class for all CLI output. It uses STDOUT and STDERR.
+ *
+ * This class is a convenient wrapper around `StreamOutput` for both STDOUT and STDERR.
+ *
+ *     $output = new ConsoleOutput();
+ *
+ * This is equivalent to:
+ *
+ *     $output = new StreamOutput(fopen('php://stdout', 'w'));
+ *     $stdErr = new StreamOutput(fopen('php://stderr', 'w'));
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class ConsoleOutput extends StreamOutput implements ConsoleOutputInterface
+{
+    private OutputInterface $stderr;
+    private array $consoleSectionOutputs = [];
+
+    /**
+     * @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)
+     */
+    public function __construct(int $verbosity = self::VERBOSITY_NORMAL, ?bool $decorated = null, ?OutputFormatterInterface $formatter = null)
+    {
+        parent::__construct($this->openOutputStream(), $verbosity, $decorated, $formatter);
+
+        if (null === $formatter) {
+            // for BC reasons, stdErr has it own Formatter only when user don't inject a specific formatter.
+            $this->stderr = new StreamOutput($this->openErrorStream(), $verbosity, $decorated);
+
+            return;
+        }
+
+        $actualDecorated = $this->isDecorated();
+        $this->stderr = new StreamOutput($this->openErrorStream(), $verbosity, $decorated, $this->getFormatter());
+
+        if (null === $decorated) {
+            $this->setDecorated($actualDecorated && $this->stderr->isDecorated());
+        }
+    }
+
+    /**
+     * Creates a new output section.
+     */
+    public function section(): ConsoleSectionOutput
+    {
+        return new ConsoleSectionOutput($this->getStream(), $this->consoleSectionOutputs, $this->getVerbosity(), $this->isDecorated(), $this->getFormatter());
+    }
+
+    /**
+     * @return void
+     */
+    public function setDecorated(bool $decorated)
+    {
+        parent::setDecorated($decorated);
+        $this->stderr->setDecorated($decorated);
+    }
+
+    /**
+     * @return void
+     */
+    public function setFormatter(OutputFormatterInterface $formatter)
+    {
+        parent::setFormatter($formatter);
+        $this->stderr->setFormatter($formatter);
+    }
+
+    /**
+     * @return void
+     */
+    public function setVerbosity(int $level)
+    {
+        parent::setVerbosity($level);
+        $this->stderr->setVerbosity($level);
+    }
+
+    public function getErrorOutput(): OutputInterface
+    {
+        return $this->stderr;
+    }
+
+    /**
+     * @return void
+     */
+    public function setErrorOutput(OutputInterface $error)
+    {
+        $this->stderr = $error;
+    }
+
+    /**
+     * Returns true if current environment supports writing console output to
+     * STDOUT.
+     */
+    protected function hasStdoutSupport(): bool
+    {
+        return false === $this->isRunningOS400();
+    }
+
+    /**
+     * Returns true if current environment supports writing console output to
+     * STDERR.
+     */
+    protected function hasStderrSupport(): bool
+    {
+        return false === $this->isRunningOS400();
+    }
+
+    /**
+     * Checks if current executing environment is IBM iSeries (OS400), which
+     * doesn't properly convert character-encodings between ASCII to EBCDIC.
+     */
+    private function isRunningOS400(): bool
+    {
+        $checks = [
+            \function_exists('php_uname') ? php_uname('s') : '',
+            getenv('OSTYPE'),
+            \PHP_OS,
+        ];
+
+        return false !== stripos(implode(';', $checks), 'OS400');
+    }
+
+    /**
+     * @return resource
+     */
+    private function openOutputStream()
+    {
+        if (!$this->hasStdoutSupport()) {
+            return fopen('php://output', 'w');
+        }
+
+        // Use STDOUT when possible to prevent from opening too many file descriptors
+        return \defined('STDOUT') ? \STDOUT : (@fopen('php://stdout', 'w') ?: fopen('php://output', 'w'));
+    }
+
+    /**
+     * @return resource
+     */
+    private function openErrorStream()
+    {
+        if (!$this->hasStderrSupport()) {
+            return fopen('php://output', 'w');
+        }
+
+        // Use STDERR when possible to prevent from opening too many file descriptors
+        return \defined('STDERR') ? \STDERR : (@fopen('php://stderr', 'w') ?: fopen('php://output', 'w'));
+    }
+}