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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\Logger;
use Psr\Log\AbstractLogger;
use Psr\Log\InvalidArgumentException;
use Psr\Log\LogLevel;
use Symfony\Component\Console\Output\OutputInterface;
use Symfony\Component\Console\Output\ConsoleOutputInterface;
/**
* PSR-3 compliant console logger.
*
* @author Kévin Dunglas <dunglas@gmail.com>
*
* @see http://www.php-fig.org/psr/psr-3/
*/
class ConsoleLogger extends AbstractLogger
{
const INFO = 'info';
const ERROR = 'error';
private $output;
private $verbosityLevelMap = array(
LogLevel::EMERGENCY => OutputInterface::VERBOSITY_NORMAL,
LogLevel::ALERT => OutputInterface::VERBOSITY_NORMAL,
LogLevel::CRITICAL => OutputInterface::VERBOSITY_NORMAL,
LogLevel::ERROR => OutputInterface::VERBOSITY_NORMAL,
LogLevel::WARNING => OutputInterface::VERBOSITY_NORMAL,
LogLevel::NOTICE => OutputInterface::VERBOSITY_VERBOSE,
LogLevel::INFO => OutputInterface::VERBOSITY_VERY_VERBOSE,
LogLevel::DEBUG => OutputInterface::VERBOSITY_DEBUG,
);
private $formatLevelMap = array(
LogLevel::EMERGENCY => self::ERROR,
LogLevel::ALERT => self::ERROR,
LogLevel::CRITICAL => self::ERROR,
LogLevel::ERROR => self::ERROR,
LogLevel::WARNING => self::INFO,
LogLevel::NOTICE => self::INFO,
LogLevel::INFO => self::INFO,
LogLevel::DEBUG => self::INFO,
);
private $errored = false;
public function __construct(OutputInterface $output, array $verbosityLevelMap = array(), array $formatLevelMap = array())
{
$this->output = $output;
$this->verbosityLevelMap = $verbosityLevelMap + $this->verbosityLevelMap;
$this->formatLevelMap = $formatLevelMap + $this->formatLevelMap;
}
/**
* {@inheritdoc}
*/
public function log($level, $message, array $context = array())
{
if (!isset($this->verbosityLevelMap[$level])) {
throw new InvalidArgumentException(sprintf('The log level "%s" does not exist.', $level));
}
$output = $this->output;
// Write to the error output if necessary and available
if (self::ERROR === $this->formatLevelMap[$level]) {
if ($this->output instanceof ConsoleOutputInterface) {
$output = $output->getErrorOutput();
}
$this->errored = true;
}
// the if condition check isn't necessary -- it's the same one that $output will do internally anyway.
// We only do it for efficiency here as the message formatting is relatively expensive.
if ($output->getVerbosity() >= $this->verbosityLevelMap[$level]) {
$output->writeln(sprintf('<%1$s>[%2$s] %3$s</%1$s>', $this->formatLevelMap[$level], $level, $this->interpolate($message, $context)), $this->verbosityLevelMap[$level]);
}
}
/**
* Returns true when any messages have been logged at error levels.
*
* @return bool
*/
public function hasErrored()
{
return $this->errored;
}
/**
* Interpolates context values into the message placeholders.
*
* @author PHP Framework Interoperability Group
*
* @param string $message
* @param array $context
*
* @return string
*/
private function interpolate($message, array $context)
{
if (false === strpos($message, '{')) {
return $message;
}
$replacements = array();
foreach ($context as $key => $val) {
if (null === $val || is_scalar($val) || (\is_object($val) && method_exists($val, '__toString'))) {
$replacements["{{$key}}"] = $val;
} elseif ($val instanceof \DateTimeInterface) {
$replacements["{{$key}}"] = $val->format(\DateTime::RFC3339);
} elseif (\is_object($val)) {
$replacements["{{$key}}"] = '[object '.\get_class($val).']';
} else {
$replacements["{{$key}}"] = '['.\gettype($val).']';
}
}
return strtr($message, $replacements);
}
}
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