Differential D5873 Diff 13013 externals/JAXL/core/jaxl_logger.php

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externals/JAXL/core/jaxl_logger.php

This file was added.

				<?php
				/**
				* Jaxl (Jabber XMPP Library)
				*
				* Copyright (c) 2009-2012, Abhinav Singh <me@abhinavsingh.com>.
				* All rights reserved.
				*
				* Redistribution and use in source and binary forms, with or without
				* modification, are permitted provided that the following conditions
				* are met:
				*
				* * Redistributions of source code must retain the above copyright
				* notice, this list of conditions and the following disclaimer.
				*
				* * Redistributions in binary form must reproduce the above copyright
				* notice, this list of conditions and the following disclaimer in
				* the documentation and/or other materials provided with the
				* distribution.
				*
				* * Neither the name of Abhinav Singh nor the names of his
				* contributors may be used to endorse or promote products derived
				* from this software without specific prior written permission.
				*
				* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
				* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
				* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
				* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
				* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
				* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
				* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
				* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
				* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRIC
				* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
				* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
				* POSSIBILITY OF SUCH DAMAGE.
				*
				*/

				// log level
				define('JAXL_ERROR', 1);
				define('JAXL_WARNING', 2);
				define('JAXL_NOTICE', 3);
				define('JAXL_INFO', 4);
				define('JAXL_DEBUG', 5);

				// generic global logging shortcuts for different level of verbosity
				function _error($msg) { JAXLLogger::log($msg, JAXL_ERROR); }
				function _warning($msg) { JAXLLogger::log($msg, JAXL_WARNING); }
				function _notice($msg) { JAXLLogger::log($msg, JAXL_NOTICE); }
				function _info($msg) { JAXLLogger::log($msg, JAXL_INFO); }
				function _debug($msg) { JAXLLogger::log($msg, JAXL_DEBUG); }

				// generic global terminal output colorize method
				// finally sends colorized message to terminal using error_log/1
				// this method is mainly to escape $msg from file:line and time
				// prefix done by _debug, _error, ... methods
				function _colorize($msg, $verbosity) { error_log(JAXLLogger::colorize($msg, $verbosity)); }

				class JAXLLogger {

				public static $level = JAXL_DEBUG;
				public static $path = null;
				public static $max_log_size = 1000;

				protected static $colors = array(
				1 => 31, // error: red
				2 => 34, // warning: blue
				3 => 33, // notice: yellow
				4 => 32, // info: green
				5 => 37 // debug: white
				);

				public static function log($msg, $verbosity=1) {
				if($verbosity <= self::$level) {
				$bt = debug_backtrace(); array_shift($bt); $callee = array_shift($bt);
				$msg = basename($callee['file'], '.php').":".$callee['line']." - ".@date('Y-m-d H:i:s')." - ".$msg;

				$size = strlen($msg);
				if($size > self::$max_log_size) $msg = substr($msg, 0, self::$max_log_size) . ' ...';

				if(isset(self::$path)) error_log($msg . PHP_EOL, 3, self::$path);
				else error_log(self::colorize($msg, $verbosity));
				}
				}

				public static function colorize($msg, $verbosity) {
				return "\033[".self::$colors[$verbosity]."m".$msg."\033[0m";
				}

				}

				?>