loglog.h

Go to the documentation of this file.

// -*- C++ -*-
// Module:  Log4CPLUS
// File:    loglog.h
// Created: 6/2001
// Author:  Tad E. Smith
//
//
// Copyright 2001-2017 Tad E. Smith
//
// 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 LOG4CPLUS_HELPERS_LOGLOG
#define LOG4CPLUS_HELPERS_LOGLOG
 
#include <log4cplus/config.hxx>
 
#if defined (LOG4CPLUS_HAVE_PRAGMA_ONCE)
#pragma once
#endif
 
#include <log4cplus/tstring.h>
#include <log4cplus/streams.h>
#include <log4cplus/thread/syncprims.h>
 
 
namespace log4cplus {
    namespace helpers {
 
        class LOG4CPLUS_EXPORT LogLog
        {
        public:
            typedef LogLog * Ptr;
 
            static Ptr getLogLog();
 
 
            void setInternalDebugging(bool enabled);
 
            void setQuietMode(bool quietMode);
 
            void debug(const log4cplus::tstring& msg) const;
            void debug(tchar const * msg) const;
 
            void error(const log4cplus::tstring& msg, bool throw_flag = false) const;
            void error(tchar const * msg, bool throw_flag = false) const;
 
            void warn(const log4cplus::tstring& msg) const;
            void warn(tchar const * msg) const;
 
            // Public ctor and dtor to be used only by internal::DefaultContext.
            LogLog();
            virtual ~LogLog();
 
        private:
            enum TriState
            {
                TriUndef = -1,
                TriFalse,
                TriTrue
            };
 
            template <typename StringType>
            LOG4CPLUS_PRIVATE
            void logging_worker (tostream & os,
                bool (LogLog:: * cond) () const, tchar const *,
                StringType const &, bool throw_flag = false) const;
 
            LOG4CPLUS_PRIVATE static void set_tristate_from_env (TriState *,
                tchar const * envvar);
 
            LOG4CPLUS_PRIVATE bool get_quiet_mode () const;
            LOG4CPLUS_PRIVATE bool get_not_quiet_mode () const;
            LOG4CPLUS_PRIVATE bool get_debug_mode () const;
 
            // Data
            mutable TriState debugEnabled;
            mutable TriState quietMode;
            thread::Mutex mutex;
 
            LOG4CPLUS_PRIVATE LogLog(const LogLog&);
            LOG4CPLUS_PRIVATE LogLog & operator = (LogLog const &);
        };
 
        LOG4CPLUS_EXPORT LogLog & getLogLog ();
 
    } // end namespace helpers
} // end namespace log4cplus
 
 
#endif // LOG4CPLUS_HELPERS_LOGLOG