/**
 *
 * Distributed under the UTC Heudiascy Pacpus License, Version 1.0.
 * Copyright (c) UTC Heudiasyc 2010 - 2013. All rights reserved.
 *
 * See the LICENSE file for more information or a copy at:
 *   http://www.hds.utc.fr/~kurdejma/LICENSE_1_0.txt
 *
 */

#ifndef DEF_PACPUS_LOG_H
#define DEF_PACPUS_LOG_H

// Includes, pacpus.
#include <Pacpus/kernel/pacpus.h>

namespace pacpus {

static class PACPUSLIB_API LogConfigurator
{
public:
    LogConfigurator();
    ~LogConfigurator();

    static void configureLoggerWithFile(const char * configFilename);
} initializer; // using Schwarz/nifty counter idiom for static initialization

} // namespace pacpus

#ifdef PACPUS_USE_LOG
  // Includes, log4cxx.
  #include <log4cxx/logger.h>

  class QString;

  /** Declare a log4cxx logger
   * @param name Name of the logger, displayed when logging a message.
   */
  #define DECLARE_STATIC_LOGGER(name) \
    static log4cxx::LoggerPtr logger(log4cxx::Logger::getLogger(name))

  // Macros making logging user friendly.
  #define LOG_TRACE(message)          LOG4CXX_TRACE(logger, message)
  #define LOG_DEBUG(message)          LOG4CXX_DEBUG(logger, message)
  #define LOG_INFO(message)           LOG4CXX_INFO(logger, message)
  #define LOG_WARN(message)           LOG4CXX_WARN(logger, message)
  #define LOG_ERROR(message)          LOG4CXX_ERROR(logger, message)
  #define LOG_FATAL(message)          LOG4CXX_FATAL(logger, message)

  // Provides helpers to log a QString.
  PACPUSLIB_API ::log4cxx::helpers::CharMessageBuffer & operator<<(::log4cxx::helpers::CharMessageBuffer & os, const QString & s);
  PACPUSLIB_API ::log4cxx::helpers::CharMessageBuffer & operator<<(::log4cxx::helpers::MessageBuffer & os, const QString & s);
#else
  #define DECLARE_STATIC_LOGGER(name)
  #define LOG_TRACE(message)
  #define LOG_DEBUG(message)
  #define LOG_INFO(message)
  #define LOG_WARN(message)
  #define LOG_ERROR(message)
  #define LOG_FATAL(message)
#endif // PACPUS_USE_LOG

#endif // DEF_PACPUS_LOG_H