claw 1.9.0
 
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log_stream_concise.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*/
31#ifndef __CLAW_LOG_STREAM_CONCISE_HPP__
32#define __CLAW_LOG_STREAM_CONCISE_HPP__
33
35
36#include <list>
37#include <string>
38
39#ifndef CLAW_LOGGER_EXPORT
40#ifdef CLAW_LOGGER_NO_EXPORT
41#define CLAW_LOGGER_EXPORT
42#else
43#ifdef _WIN32
44#ifdef claw_logger_EXPORTS
45#define CLAW_LOGGER_EXPORT __declspec(dllexport)
46#else
47#define CLAW_LOGGER_EXPORT __declspec(dllimport)
48#endif // def claw_logger_EXPORTS
49#else // def _WIN32
50#define CLAW_LOGGER_EXPORT
51#endif // def _WIN32
52#endif // def CLAW_LOGGER_NO_EXPORT
53#endif // ndef CLAW_LOGGER_EXPORT
54
55namespace claw
56{
62 class CLAW_LOGGER_EXPORT log_stream_concise
63 : public log_stream
65 {
66 public:
68 std::size_t max_history_size = 25);
69 virtual ~log_stream_concise();
70
71 virtual void write(const std::string& str);
72 virtual void flush();
73
74 private:
75 void output_current_line();
76
77 private:
79 log_stream* m_stream;
80
82 std::string m_current_line;
83
85 std::list<std::string> m_previous_lines;
86
88 std::size_t m_max_history_size;
89
90 }; // class log_stream_concise
91}
92
93#endif // __CLAW_LOG_STREAM_CONCISE_HPP__
log_stream_concise(log_stream *s, std::size_t max_history_size=25)
Constructor.
virtual void write(const std::string &str)
Write a string in the stream.
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.