claw 1.9.0
 
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log_stream_uniq.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_UNIQ_HPP__
31#define __CLAW_LOG_STREAM_UNIQ_HPP__
32
34
35#include <string>
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
53namespace claw
54{
59 class CLAW_LOGGER_EXPORT log_stream_uniq
60 : public log_stream
62 {
63 public:
64 explicit log_stream_uniq(log_stream* s);
65 virtual ~log_stream_uniq();
66
67 virtual void write(const std::string& str);
68 virtual void flush();
69
70 private:
71 void output_current_line();
72
73 private:
75 log_stream* m_stream;
76
78 std::string m_current_line;
79
81 std::string m_previous_line;
82
84 std::size_t m_repetition_count;
85
86 }; // class log_stream_uniq
87}
88
89#endif // __CLAW_LOG_STREAM_UNIQ_HPP__
virtual void write(const std::string &str)
Write a string in the stream.
log_stream_uniq(log_stream *s)
Constructor.
virtual void flush()
Flush the stream.
Base class for streams accepting log output.
Inherit from this class to forbid construction of your class by copy.
Some basic classes for logging.
This is the main namespace.