<?php
/*
* Queasy PHP Framework - Logger
*
* (c) Vitaly Demyanenko <vitaly_demyanenko@yahoo.com>
*
* For the full copyright and license information, please view the LICENSE file that was distributed with this source code.
*/
namespace queasy\log;
use Psr\Log\LogLevel;
/**
* Console logger
*/
class ConsoleLogger extends Logger
{
const DEFAULT_MESSAGE_FORMAT = '%5$s %6$s%7$s';
/**
* Console log method.
*
* @param string $level Log level
* @param string $message Log message
* @param array|null $context Context
*/
public function log($level, $message, array $context = array())
{
$preparedMessage = $this->prepareMessage($level, $message, $context);
file_put_contents('php://stderr', $preparedMessage . PHP_EOL);
return parent::log($level, $message, $context);
}
/**
* Get log level string.
*
* @param string $level Source log level
*
* @return string Log level
*/
protected function logLevelString($level)
{
$append = '';
$prepend = '';
if ($this->hasColorSupport()) {
switch ($level) {
case LogLevel::INFO:
case LogLevel::NOTICE:
$prepend = "\033[32m";
break;
case LogLevel::WARNING:
$prepend = "\033[33m";
break;
case LogLevel::ERROR:
case LogLevel::CRITICAL:
case LogLevel::ALERT:
$prepend = "\033[31m";
break;
case LogLevel::EMERGENCY:
$prepend = "\033[37;41m";
}
if ($prepend) {
$append = "\033[m";
}
}
return $prepend . '[' . strtoupper($level) . ']' . $append;
}
/**
* Detect if terminal supports coloured output. Stolen from Symfony.
*
* @return bool True if colors supported, false otherwise
*/
protected function hasColorSupport()
{
return
((DIRECTORY_SEPARATOR === "\\")
&& ((false !== filter_input(INPUT_ENV, 'ANSICON'))
|| ('on' === strtolower(filter_input(INPUT_ENV, 'ConEmuANSI')))
|| ('xterm' === strtolower(filter_input(INPUT_ENV, 'TERM')))))
|| (function_exists('posix_isatty')
&& @posix_isatty(STDERR));
}
}
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