File: src/ConsoleLogger.php

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File: src/ConsoleLogger.php
Role: Class source
Content type: text/plain
Description: Class source
Class: QuEasy PHP PSR Logger
Log messages to containers compliant with PSR-3
Author: By
Last change:
Date: 5 months ago
Size: 2,469 bytes
 

Contents

Class file image Download
<?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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