/* -*- Mode: C; tab-width: 4 -*-
 *
 * Copyright (c) 1997-2004 Apple Computer, Inc. All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *     http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef _Logger_h
#define _Logger_h

#include <fstream>
#include <string>


class Logger : public std::ofstream
{
public:

	Logger();
	~Logger();

	std::string
	currentTime();
};


#define	require_noerr_with_log( LOG, MESSAGE, ERR, LABEL )	\
		do 						\
		{						\
			int_least32_t localErr;			\
			localErr = (int_least32_t)( ERR );	\
			if( localErr != 0 ) 			\
			{					\
				log << log.currentTime() << " [ERROR] " << MESSAGE << " returned " << ERR << std::endl;						\
				log << log.currentTime() << " [WHERE] " << "\"" << __FILE__ << "\", \"" << __FUNCTION__ << "\", line " << __LINE__ << std::endl << std::endl; 	\
				goto LABEL;			\
			}					\
		} while( 0 )


#define	require_action_with_log( LOG, X, LABEL, ACTION )	\
		do 						\
		{						\
			if( !( X ) ) 				\
			{					\
				log << log.currentTime() << " [ERROR] " << #X << std::endl;	\
				log << log.currentTime() << " [WHERE] " << "\"" << __FILE__ << "\", \"" << __FUNCTION__ << "\", line " << __LINE__ << std::endl << std::endl; 	\
				{ ACTION; }			\
				goto LABEL;			\
			}					\
		} while( 0 )

#endif