<?php
/**
 * Logging.
 *
 * Log messages to text files.
 *
 * PHP versions 4 and 5
 *
 * CakePHP(tm) :  Rapid Development Framework (http://www.cakephp.org)
 * Copyright 2005-2009, Cake Software Foundation, Inc. (http://www.cakefoundation.org)
 *
 * Licensed under The MIT License
 * Redistributions of files must retain the above copyright notice.
 *
 * @filesource
 * @copyright     Copyright 2005-2009, Cake Software Foundation, Inc. (http://www.cakefoundation.org)
 * @link          http://www.cakefoundation.org/projects/info/cakephp CakePHP(tm) Project
 * @package       cake
 * @subpackage    cake.cake.libs
 * @since         CakePHP(tm) v 0.2.9
 * @license       http://www.opensource.org/licenses/mit-license.php The MIT License
 */

/**
 * Included libraries.
 *
 */
	if (!class_exists('File')) {
		require LIBS . 'file.php';
	}

/**
 * Set up error level constants to be used within the framework if they are not defined within the
 * system.
 *
 */
	if (!defined('LOG_WARNING')) {
		define('LOG_WARNING', 3);
	}
	if (!defined('LOG_NOTICE')) {
		define('LOG_NOTICE', 4);
	}
	if (!defined('LOG_DEBUG')) {
		define('LOG_DEBUG', 5);
	}
	if (!defined('LOG_INFO')) {
		define('LOG_INFO', 6);
	}

/**
 * Logs messages to text files
 *
 * @package       cake
 * @subpackage    cake.cake.libs
 */
class CakeLog {

/**
 * Writes given message to a log file in the logs directory.
 *
 * @param string $type Type of log, becomes part of the log's filename
 * @param string $msg  Message to log
 * @return boolean Success
 * @access public
 * @static
 */
	function write($type, $msg) {
		if (!defined('LOG_ERROR')) {
			define('LOG_ERROR', 2);
		}
		if (!defined('LOG_ERR')) {
			define('LOG_ERR', LOG_ERROR);
		}
		$levels = array(
			LOG_WARNING => 'warning',
			LOG_NOTICE => 'notice',
			LOG_INFO => 'info',
			LOG_DEBUG => 'debug',
			LOG_ERR => 'error',
			LOG_ERROR => 'error'
		);

		if (is_int($type) && isset($levels[$type])) {
			$type = $levels[$type];
		}

		if ($type == 'error' || $type == 'warning') {
			$filename = LOGS . 'error.log';
		} elseif (in_array($type, $levels)) {
			$filename = LOGS . 'debug.log';
		} else {
			$filename = LOGS . $type . '.log';
		}
		$output = date('Y-m-d H:i:s') . ' ' . ucfirst($type) . ': ' . $msg . "\n";
		$log = new File($filename, true);
		if ($log->writable()) {
			return $log->append($output);
		}
	}

/**
 * An error_handler that will log errors to file using CakeLog::write();
 *
 * @param integer $code Code of error
 * @param string $description Error description
 * @param string $file File on which error occurred
 * @param integer $line Line that triggered the error
 * @param array $context Context
 * @return void
 **/
	function handleError($code, $description, $file = null, $line = null, $context = null) {
		if ($code === 2048 || $code === 8192) {
			return;
		}
		switch ($code) {
			case E_PARSE:
			case E_ERROR:
			case E_CORE_ERROR:
			case E_COMPILE_ERROR:
			case E_USER_ERROR:
				$error = 'Fatal Error';
				$level = LOG_ERROR;
			break;
			case E_WARNING:
			case E_USER_WARNING:
			case E_COMPILE_WARNING:
			case E_RECOVERABLE_ERROR:
				$error = 'Warning';
				$level = LOG_WARNING;
			break;
			case E_NOTICE:
			case E_USER_NOTICE:
				$error = 'Notice';
				$level = LOG_NOTICE;
			break;
			default:
				return;
			break;
		}
		$message = $error . ' (' . $code . '): ' . $description . ' in [' . $file . ', line ' . $line . ']';
		CakeLog::write($level, $message);
	}
}

if (!defined('DISABLE_DEFAULT_ERROR_HANDLING')) {
	set_error_handler(array('CakeLog', 'handleError'));
}
?>