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source: code/branches/shaders/src/libraries/util/output/OutputStream.h @ 10071

Last change on this file since 10071 was 8858, checked in by landauf, 13 years ago

merged output branch back to trunk.

Changes:

  • you have to include util/Output.h instead of util/Debug.h
  • COUT(x) is now called orxout(level)
  • output levels are now defined by an enum instead of numbers. see util/Output.h for the definition
  • it's possible to use output contexts with orxout(level, context). see util/Output.h for some common contexts. you can define more contexts
  • you must use 'endl' at the end of an output message, '\n' does not flush the message

Output levels:

  • instead of COUT(0) use orxout()
  • instead of COUT(1) use orxout(user_error) or orxout(internal_error)
  • instead of COUT(2) use orxout(user_warning) or orxout(internal_warning)
  • instead of COUT(3) use orxout(user_status/user_info) or orxout(internal_status/internal_info)
  • instead of COUT(4) use orxout(verbose)
  • instead of COUT(5) use orxout(verbose_more)
  • instead of COUT(6) use orxout(verbose_ultra)

Guidelines:

  • user_* levels are for the user, visible in the console and the log-file
  • internal_* levels are for developers, visible in the log-file
  • verbose_* levels are for debugging, only visible if the context of the output is activated

Usage in C++:

  • orxout() << "message" << endl;
  • orxout(level) << "message" << endl;
  • orxout(level, context) << "message" << endl;

Usage in Lua:

  • orxout("message")
  • orxout(orxonox.level.levelname, "message")
  • orxout(orxonox.level.levelname, "context", "message")

Usage in Tcl (and in the in-game-console):

  • orxout levelname message
  • orxout_context levelname context message
  • shortcuts: log message, error message, warning message, status message, info message, debug message
  • Property svn:eol-style set to native
File size: 4.7 KB
Line 
1/*
2 *   ORXONOX - the hottest 3D action shooter ever to exist
3 *                    > www.orxonox.net <
4 *
5 *
6 *   License notice:
7 *
8 *   This program is free software; you can redistribute it and/or
9 *   modify it under the terms of the GNU General Public License
10 *   as published by the Free Software Foundation; either version 2
11 *   of the License, or (at your option) any later version.
12 *
13 *   This program is distributed in the hope that it will be useful,
14 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
15 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16 *   GNU General Public License for more details.
17 *
18 *   You should have received a copy of the GNU General Public License
19 *   along with this program; if not, write to the Free Software
20 *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
21 *
22 *   Author:
23 *      Fabian 'x3n' Landau
24 *   Co-authors:
25 *      ...
26 *
27 */
28
29/**
30    @file
31    @ingroup Output
32    @brief Declaration of the OutputStream class which is used to send output to orxonox::OutputManager.
33*/
34
35#ifndef _OutputStream_H__
36#define _OutputStream_H__
37
38#include "util/UtilPrereqs.h"
39
40#include <sstream>
41
42#include "OutputDefinitions.h"
43
44namespace orxonox
45{
46    /**
47        @brief This class is used to buffer output and send it to OutputManager whenever std::endl is passed to it.
48
49        OutputStream inherits from std::ostringstream and acts like std::cout.
50        This means you can use the << operator to write output to the stream.
51        This class is used by the orxout() function.
52
53        @attention
54        You must end an output message with std::endl, otherwise the message
55        won't be flushed. '\\n' only adds a new line to the message.
56
57        The following code samples are all equivalent:
58        @code
59        OutputStream stream;
60        stream.setOutputAttributes(user_info, context::example());
61        stream << "Hello World" << endl;
62        @endcode
63
64        @code
65        OutputStream stream(user_info, context::example());
66        stream << "Hello World" << endl;
67        @endcode
68
69        @code
70        orxout(user_info, context::example) << "Hello World" << endl;
71        @endcode
72    */
73    class OutputStream : public std::ostringstream
74    {
75        typedef std::ostream& (*EndlType)(std::ostream&);
76
77        public:
78            _UtilExport OutputStream();
79            _UtilExport OutputStream(OutputLevel level, const OutputContextContainer& context);
80            _UtilExport ~OutputStream();
81
82            void _UtilExport setOutputAttributes(OutputLevel level, const OutputContextContainer& context);
83
84            /// @brief Generic << operator which adds output to the stream.
85            template <class T>
86            inline OutputStream& operator<<(const T& val) { return this->output(val); }
87            /// @brief Sends a manipulator to the output stream.
88            inline OutputStream& operator<<(std::ios_base& (*manipulator)(std::ios_base&)) { return this->output(manipulator); }
89            /// @brief Sends a manipulator to the output stream.
90            inline OutputStream& operator<<(std::ios&      (*manipulator)(std::ios&))      { return this->output(manipulator); }
91            /// @brief Sends a manipulator to the output stream and flushes the message if the manipulator is std::endl.
92            inline OutputStream& operator<<(std::ostream&  (*manipulator)(std::ostream&))
93            {
94                if (this->bAcceptsOutput_)
95                {
96                    if (manipulator == static_cast<EndlType>(std::endl))
97                        this->sendMessage(); // send the message to OutputManager
98                    else
99                        return this->output(manipulator); // apply the manipulator
100                }
101                return *this;
102            }
103
104        private:
105            /// @brief Generic function to add values to the output stream, using the inherited << operator from std::ostringstream.
106            template <class T>
107            inline OutputStream& output(const T& val)
108            {
109                if (this->bAcceptsOutput_)
110                    static_cast<std::ostringstream&>(*this) << val;
111                return *this;
112            }
113
114            void _UtilExport sendMessage();
115
116            OutputLevel level_;                     ///< The output level of the current message
117            const OutputContextContainer* context_; ///< The output context of the current message
118            bool bAcceptsOutput_;                   ///< After defining level and context of the following message, this flag is set according to the masks defined in OutputManager. If it is false, the OutputStream will throw away every output sent using the << operator.
119    };
120}
121
122#endif /* _OutputStream_H__ */
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