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Mini Shell
<?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\OutputFormatter;
use Symfony\Component\Console\Formatter\OutputFormatterInterface;
/**
* Base class for output classes.
*
* There are five levels of verbosity:
*
* * normal: no option passed (normal output)
* * verbose: -v (more output)
* * very verbose: -vv (highly extended output)
* * debug: -vvv (all debug output)
* * quiet: -q (no output)
*
* @author Fabien Potencier <fabien@symfony.com>
*/
abstract class Output implements OutputInterface
{
private $verbosity;
private $formatter;
/**
* @param int|null $verbosity The verbosity level (one of the VERBOSITY constants in OutputInterface)
* @param bool $decorated Whether to decorate messages
* @param OutputFormatterInterface|null $formatter Output formatter instance (null to use default OutputFormatter)
*/
public function __construct(?int $verbosity = self::VERBOSITY_NORMAL, bool $decorated = false, OutputFormatterInterface $formatter = null)
{
$this->verbosity = $verbosity ?? self::VERBOSITY_NORMAL;
$this->formatter = $formatter ?? new OutputFormatter();
$this->formatter->setDecorated($decorated);
}
/**
* {@inheritdoc}
*/
public function setFormatter(OutputFormatterInterface $formatter)
{
$this->formatter = $formatter;
}
/**
* {@inheritdoc}
*/
public function getFormatter()
{
return $this->formatter;
}
/**
* {@inheritdoc}
*/
public function setDecorated(bool $decorated)
{
$this->formatter->setDecorated($decorated);
}
/**
* {@inheritdoc}
*/
public function isDecorated()
{
return $this->formatter->isDecorated();
}
/**
* {@inheritdoc}
*/
public function setVerbosity(int $level)
{
$this->verbosity = $level;
}
/**
* {@inheritdoc}
*/
public function getVerbosity()
{
return $this->verbosity;
}
/**
* {@inheritdoc}
*/
public function isQuiet()
{
return self::VERBOSITY_QUIET === $this->verbosity;
}
/**
* {@inheritdoc}
*/
public function isVerbose()
{
return self::VERBOSITY_VERBOSE <= $this->verbosity;
}
/**
* {@inheritdoc}
*/
public function isVeryVerbose()
{
return self::VERBOSITY_VERY_VERBOSE <= $this->verbosity;
}
/**
* {@inheritdoc}
*/
public function isDebug()
{
return self::VERBOSITY_DEBUG <= $this->verbosity;
}
/**
* {@inheritdoc}
*/
public function writeln($messages, int $options = self::OUTPUT_NORMAL)
{
$this->write($messages, true, $options);
}
/**
* {@inheritdoc}
*/
public function write($messages, bool $newline = false, int $options = self::OUTPUT_NORMAL)
{
if (!is_iterable($messages)) {
$messages = [$messages];
}
$types = self::OUTPUT_NORMAL | self::OUTPUT_RAW | self::OUTPUT_PLAIN;
$type = $types & $options ?: self::OUTPUT_NORMAL;
$verbosities = self::VERBOSITY_QUIET | self::VERBOSITY_NORMAL | self::VERBOSITY_VERBOSE | self::VERBOSITY_VERY_VERBOSE | self::VERBOSITY_DEBUG;
$verbosity = $verbosities & $options ?: self::VERBOSITY_NORMAL;
if ($verbosity > $this->getVerbosity()) {
return;
}
foreach ($messages as $message) {
switch ($type) {
case OutputInterface::OUTPUT_NORMAL:
$message = $this->formatter->format($message);
break;
case OutputInterface::OUTPUT_RAW:
break;
case OutputInterface::OUTPUT_PLAIN:
$message = strip_tags($this->formatter->format($message));
break;
}
$this->doWrite($message ?? '', $newline);
}
}
/**
* Writes a message to the output.
*/
abstract protected function doWrite(string $message, bool $newline);
}
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