<?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
{
/**
* @var StreamOutput
*/
private $stderr;
/**
* Constructor.
*
* @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 $formatter Output formatter instance (null to use default OutputFormatter)
*/
public function __construct($verbosity = self::VERBOSITY_NORMAL, $decorated = null, OutputFormatterInterface $formatter = null)
{
parent::__construct($this->openOutputStream(), $verbosity, $decorated, $formatter);
$actualDecorated = $this->isDecorated();
$this->stderr = new StreamOutput($this->openErrorStream(), $verbosity, $decorated, $this->getFormatter());
if (null === $decorated) {
$this->setDecorated($actualDecorated && $this->stderr->isDecorated());
}
}
/**
* {@inheritdoc}
*/
public function setDecorated($decorated)
{
parent::setDecorated($decorated);
$this->stderr->setDecorated($decorated);
}
/**
* {@inheritdoc}
*/
public function setFormatter(OutputFormatterInterface $formatter)
{
parent::setFormatter($formatter);
$this->stderr->setFormatter($formatter);
}
/**
* {@inheritdoc}
*/
public function setVerbosity($level)
{
parent::setVerbosity($level);
$this->stderr->setVerbosity($level);
}
/**
* {@inheritdoc}
*/
public function getErrorOutput()
{
return $this->stderr;
}
/**
* {@inheritdoc}
*/
public function setErrorOutput(OutputInterface $error)
{
$this->stderr = $error;
}
/**
* Returns true if current environment supports writing console output to
* STDOUT.
*
* @return bool
*/
protected function hasStdoutSupport()
{
return false === $this->isRunningOS400();
}
/**
* Returns true if current environment supports writing console output to
* STDERR.
*
* @return bool
*/
protected function hasStderrSupport()
{
return false === $this->isRunningOS400();
}
/**
* Checks if current executing environment is IBM iSeries (OS400), which
* doesn't properly convert character-encodings between ASCII to EBCDIC.
*
* @return bool
*/
private function isRunningOS400()
{
$checks = array(
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');
}
return @fopen('php://stdout', 'w') ?: fopen('php://output', 'w');
}
/**
* @return resource
*/
private function openErrorStream()
{
return fopen($this->hasStderrSupport() ? 'php://stderr' : 'php://output', 'w');
}
}
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