claw  1.9.0
log_stream.hpp
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1 /*
2  CLAW - a C++ Library Absolutely Wonderful
3 
4  CLAW is a free library without any particular aim but being useful to
5  anyone.
6 
7  Copyright (C) 2005-2011 Julien Jorge
8 
9  This library is free software; you can redistribute it and/or
10  modify it under the terms of the GNU Lesser General Public
11  License as published by the Free Software Foundation; either
12  version 2.1 of the License, or (at your option) any later version.
13 
14  This library is distributed in the hope that it will be useful,
15  but WITHOUT ANY WARRANTY; without even the implied warranty of
16  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17  Lesser General Public License for more details.
18 
19  You should have received a copy of the GNU Lesser General Public
20  License along with this library; if not, write to the Free Software
21  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
22 
23  contact: julien.jorge@stuff-o-matic.com
24 */
30 #ifndef __CLAW_LOG_STREAM_HPP__
31 #define __CLAW_LOG_STREAM_HPP__
32 
33 #include <claw/non_copyable.hpp>
34 
35 #include <fstream>
36 #include <string>
37 
38 #ifndef CLAW_LOGGER_EXPORT
39 #ifdef CLAW_LOGGER_NO_EXPORT
40 #define CLAW_LOGGER_EXPORT
41 #else
42 #ifdef _WIN32
43 #ifdef claw_logger_EXPORTS
44 #define CLAW_LOGGER_EXPORT __declspec(dllexport)
45 #else
46 #define CLAW_LOGGER_EXPORT __declspec(dllimport)
47 #endif // def claw_logger_EXPORTS
48 #else // def _WIN32
49 #define CLAW_LOGGER_EXPORT
50 #endif // def _WIN32
51 #endif // def CLAW_LOGGER_NO_EXPORT
52 #endif // ndef CLAW_LOGGER_EXPORT
53 
54 namespace claw
55 {
60  class CLAW_LOGGER_EXPORT log_stream
61  {
62  public:
63  virtual ~log_stream();
64  virtual void write(const std::string& str) = 0;
65  virtual void flush();
66  }; // class log_stream
67 
72  class CLAW_LOGGER_EXPORT console_logger
73  : public log_stream
74  , public pattern::non_copyable
75  {
76  public:
77  virtual void write(const std::string& str);
78  virtual void flush();
79  }; // class console_logger
80 
85  class CLAW_LOGGER_EXPORT file_logger
86  : public log_stream
87  , public pattern::non_copyable
88  {
89  public:
90  file_logger(const std::string& filename);
91  virtual ~file_logger();
92 
93  virtual void write(const std::string& str);
94  virtual void flush();
95 
96  private:
98  std::ofstream* m_file;
99 
100  }; // class file_logger
101 }
102 
103 #endif // __CLAW_LOG_STREAM_HPP__
This class write log messages in a file.
Definition: log_stream.hpp:85
Inherit from this class to forbid construction of your class by copy.
This class write log messages in std::clog.
Definition: log_stream.hpp:72
Inherit from this class to forbid copy constructor in your class.
Base class for streams accepting log output.
Definition: log_stream.hpp:60
This is the main namespace.
Definition: application.hpp:49