log4cplus  2.0.0
loglog.h
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00001 // -*- C++ -*-
00002 // Module:  Log4CPLUS
00003 // File:    loglog.h
00004 // Created: 6/2001
00005 // Author:  Tad E. Smith
00006 //
00007 //
00008 // Copyright 2001-2015 Tad E. Smith
00009 //
00010 // Licensed under the Apache License, Version 2.0 (the "License");
00011 // you may not use this file except in compliance with the License.
00012 // You may obtain a copy of the License at
00013 //
00014 //     http://www.apache.org/licenses/LICENSE-2.0
00015 //
00016 // Unless required by applicable law or agreed to in writing, software
00017 // distributed under the License is distributed on an "AS IS" BASIS,
00018 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00019 // See the License for the specific language governing permissions and
00020 // limitations under the License.
00021 
00024 #ifndef LOG4CPLUS_HELPERS_LOGLOG
00025 #define LOG4CPLUS_HELPERS_LOGLOG
00026 
00027 #include <log4cplus/config.hxx>
00028 
00029 #if defined (LOG4CPLUS_HAVE_PRAGMA_ONCE)
00030 #pragma once
00031 #endif
00032 
00033 #include <log4cplus/tstring.h>
00034 #include <log4cplus/streams.h>
00035 #include <log4cplus/thread/syncprims.h>
00036 
00037 
00038 namespace log4cplus {
00039     namespace helpers {
00040 
00054         class LOG4CPLUS_EXPORT LogLog
00055         {
00056         public:
00058             typedef LogLog * Ptr;
00059 
00063             static Ptr getLogLog();
00064 
00065 
00069             void setInternalDebugging(bool enabled);
00070 
00077             void setQuietMode(bool quietMode);
00078 
00083             void debug(const log4cplus::tstring& msg) const;
00084             void debug(tchar const * msg) const;
00085 
00093             void error(const log4cplus::tstring& msg, bool throw_flag = false) const;
00094             void error(tchar const * msg, bool throw_flag = false) const;
00095 
00101             void warn(const log4cplus::tstring& msg) const;
00102             void warn(tchar const * msg) const;
00103 
00104             // Public ctor and dtor to be used only by internal::DefaultContext.
00105             LogLog();
00106             virtual ~LogLog();
00107 
00108         private:
00109             enum TriState
00110             {
00111                 TriUndef = -1,
00112                 TriFalse,
00113                 TriTrue
00114             };
00115 
00116             template <typename StringType>
00117             LOG4CPLUS_PRIVATE
00118             void logging_worker (tostream & os,
00119                 bool (LogLog:: * cond) () const, tchar const *,
00120                 StringType const &, bool throw_flag = false) const;
00121 
00122             LOG4CPLUS_PRIVATE static void set_tristate_from_env (TriState *,
00123                 tchar const * envvar);
00124 
00125             LOG4CPLUS_PRIVATE bool get_quiet_mode () const;
00126             LOG4CPLUS_PRIVATE bool get_not_quiet_mode () const;
00127             LOG4CPLUS_PRIVATE bool get_debug_mode () const;
00128 
00129             // Data
00130             mutable TriState debugEnabled;
00131             mutable TriState quietMode;
00132             thread::Mutex mutex;
00133 
00134             LOG4CPLUS_PRIVATE LogLog(const LogLog&);
00135             LOG4CPLUS_PRIVATE LogLog & operator = (LogLog const &);
00136         };
00137 
00138         LOG4CPLUS_EXPORT LogLog & getLogLog ();
00139 
00140     } // end namespace helpers
00141 } // end namespace log4cplus
00142 
00143 
00144 #endif // LOG4CPLUS_HELPERS_LOGLOG
00145