Claw  1.7.3
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@gamned.org
24 */
30 #ifndef __CLAW_LOG_STREAM_HPP__
31 #define __CLAW_LOG_STREAM_HPP__
32 
33 #include <string>
34 #include <fstream>
35 #include <claw/non_copyable.hpp>
36 
37 #ifndef CLAW_LOGGER_EXPORT
38 # ifdef CLAW_LOGGER_NO_EXPORT
39 # define CLAW_LOGGER_EXPORT
40 # else
41 # ifdef _WIN32
42 # ifdef claw_logger_EXPORTS
43 # define CLAW_LOGGER_EXPORT __declspec(dllexport)
44 # else
45 # define CLAW_LOGGER_EXPORT __declspec(dllimport)
46 # endif // def claw_logger_EXPORTS
47 # else // def _WIN32
48 # define CLAW_LOGGER_EXPORT
49 # endif // def _WIN32
50 # endif // def CLAW_LOGGER_NO_EXPORT
51 #endif // ndef CLAW_LOGGER_EXPORT
52 
53 namespace claw
54 {
59  class CLAW_LOGGER_EXPORT log_stream
60  {
61  public:
62  virtual ~log_stream();
63  virtual void write( const std::string& str ) = 0;
64  virtual void flush();
65  }; // class log_stream
66 
71  class CLAW_LOGGER_EXPORT console_logger
72  : public log_stream,
74  {
75  public:
76  virtual void write( const std::string& str );
77  virtual void flush();
78  }; // class console_logger
79 
84  class CLAW_LOGGER_EXPORT file_logger
85  : public log_stream,
87  {
88  public:
89  file_logger( const std::string& filename );
90  virtual ~file_logger();
91 
92  virtual void write( const std::string& str );
93  virtual void flush();
94 
95  private:
97  std::ofstream* m_file;
98 
99  }; // class file_logger
100 } // namespace claw
101 
102 #endif // __CLAW_LOG_STREAM_HPP__