logger-v1.hpp

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#ifndef _LOGGER_HPP_INCLUDED
#define _LOGGER_HPP_INCLUDED

#include "logger/logLevel.hpp"
#include "logger/logSyslogFacility.hpp"
#include "logger/logError.hpp"
#include "logger/logBackend.hpp"

#include <sstream>

namespace _Wolframe {
namespace log {

class Logger {
public:
        Logger( LogBackend& backend ) : m_logBk( backend )      {}
        Logger( LogBackend* backend ) : m_logBk( *backend )     {}

        ~Logger( )      {
                m_logBk.log( m_msgLevel, m_os.str( ) );
        }

        inline Logger& Get( LogLevel::Level level )     {
                m_msgLevel = level;
                return *this;
        }

        template<typename T> friend Logger& operator<< ( Logger& logger, T thing );
        friend Logger& operator<< ( Logger& logger, LogError e );

protected:
        std::ostringstream m_os;

private:
        LogBackend&     m_logBk;
        LogLevel::Level m_msgLevel;

        Logger( );
        Logger( const Logger& );
        Logger& operator= ( const Logger& );
};


template <typename T>
Logger& operator<< ( Logger& logger, T t )
{
        logger.m_os << t;
        return logger;
}

}} // namespace _Wolframe::log


// shortcut macros
#define LOG_DATA2       if ( _Wolframe::log::LogBackend::instance().minLogLevel() > _Wolframe::log::LogLevel::LOGLEVEL_DATA2 ) ; \
                        else _Wolframe::log::Logger( _Wolframe::log::LogBackend::instance() ).Get( _Wolframe::log::LogLevel::LOGLEVEL_DATA2 )
#define LOG_DATA        if ( _Wolframe::log::LogBackend::instance().minLogLevel() > _Wolframe::log::LogLevel::LOGLEVEL_DATA ) ; \
                        else _Wolframe::log::Logger( _Wolframe::log::LogBackend::instance() ).Get( _Wolframe::log::LogLevel::LOGLEVEL_DATA )
#define LOG_TRACE       if ( _Wolframe::log::LogBackend::instance().minLogLevel() > _Wolframe::log::LogLevel::LOGLEVEL_TRACE ) ; \
                        else _Wolframe::log::Logger( _Wolframe::log::LogBackend::instance() ).Get( _Wolframe::log::LogLevel::LOGLEVEL_TRACE )
#define LOG_DEBUG       if ( _Wolframe::log::LogBackend::instance().minLogLevel() > _Wolframe::log::LogLevel::LOGLEVEL_DEBUG ) ; \
                        else _Wolframe::log::Logger( _Wolframe::log::LogBackend::instance() ).Get( _Wolframe::log::LogLevel::LOGLEVEL_DEBUG )
#define LOG_INFO        if ( _Wolframe::log::LogBackend::instance().minLogLevel() > _Wolframe::log::LogLevel::LOGLEVEL_INFO ) ; \
                        else _Wolframe::log::Logger( _Wolframe::log::LogBackend::instance() ).Get( _Wolframe::log::LogLevel::LOGLEVEL_INFO )
#define LOG_NOTICE      if ( _Wolframe::log::LogBackend::instance().minLogLevel() > _Wolframe::log::LogLevel::LOGLEVEL_NOTICE ) ; \
                        else _Wolframe::log::Logger( _Wolframe::log::LogBackend::instance() ).Get( _Wolframe::log::LogLevel::LOGLEVEL_NOTICE )
#define LOG_WARNING     if ( _Wolframe::log::LogBackend::instance().minLogLevel() > _Wolframe::log::LogLevel::LOGLEVEL_WARNING ) ; \
                        else _Wolframe::log::Logger( _Wolframe::log::LogBackend::instance() ).Get( _Wolframe::log::LogLevel::LOGLEVEL_WARNING )
#define LOG_ERROR       if ( _Wolframe::log::LogBackend::instance().minLogLevel() > _Wolframe::log::LogLevel::LOGLEVEL_ERROR ) ; \
                        else _Wolframe::log::Logger( _Wolframe::log::LogBackend::instance() ).Get( _Wolframe::log::LogLevel::LOGLEVEL_ERROR )
#define LOG_SEVERE      if ( _Wolframe::log::LogBackend::instance().minLogLevel() > _Wolframe::log::LogLevel::LOGLEVEL_SEVERE ) ; \
                        else _Wolframe::log::Logger( _Wolframe::log::LogBackend::instance() ).Get( _Wolframe::log::LogLevel::LOGLEVEL_SEVERE )
#define LOG_CRITICAL    if ( _Wolframe::log::LogBackend::instance().minLogLevel() > _Wolframe::log::LogLevel::LOGLEVEL_CRITICAL ) ; \
                        else _Wolframe::log::Logger( _Wolframe::log::LogBackend::instance() ).Get( _Wolframe::log::LogLevel::LOGLEVEL_CRITICAL )
#define LOG_ALERT       if ( _Wolframe::log::LogBackend::instance().minLogLevel() > _Wolframe::log::LogLevel::LOGLEVEL_ALERT ) ; \
                        else _Wolframe::log::Logger( _Wolframe::log::LogBackend::instance() ).Get( _Wolframe::log::LogLevel::LOGLEVEL_ALERT )
#define LOG_FATAL       if ( _Wolframe::log::LogBackend::instance().minLogLevel() > _Wolframe::log::LogLevel::LOGLEVEL_FATAL ) ; \
                        else _Wolframe::log::Logger( _Wolframe::log::LogBackend::instance() ).Get( _Wolframe::log::LogLevel::LOGLEVEL_FATAL )

#endif // _LOGGER_HPP_INCLUDED