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source: code/branches/script_trigger/src/core/OutputHandler.h @ 2246

Last change on this file since 2246 was 1064, checked in by rgrieder, 17 years ago
  • replaced all String2Number with ConvertValue
  • replaced all tokenize with SubString
  • dealt with warnings under msvc
  • removed some warnings by placing casts
  • bugfix in audio: local variable pushed into member variable std::vector
  • updated StableHeaders.h
File size: 8.6 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 OutputHandler.h
31    @brief Definition of the OutputHandler class.
32
33    The OutputHandler acts like std::cout, but output isn't only shown in the console,
34    but also written to the logfile.
35*/
36
37#ifndef _OutputHandler_H__
38#define _OutputHandler_H__
39
40#include "CorePrereqs.h"
41
42#include <iostream>
43#include <fstream>
44#include <string>
45
46namespace orxonox
47{
48    //! The OutputHandler acts like std::cout, but redirects output to the console AND the logfile.
49    class _CoreExport OutputHandler
50    {
51        public:
52            enum OutputDevice
53            {
54                LD_All,
55                LD_Console,
56                LD_Logfile,
57                LD_Shell
58            };
59
60            static OutputHandler& getOutStream();
61
62            /** @brief Puts some text on the outstream. @param text The text */
63            static inline std::string log(const std::string& text)
64                { OutputHandler::getOutStream().setOutputLevel(0); OutputHandler::getOutStream().output(text + "\n"); return text; }
65
66            /** @brief Returns a reference to the logfile. @return The logfile */
67            inline std::ofstream& getLogfile()
68                { return this->logfile_; }
69
70            /** @brief Sets the level of the incoming output. @param level The level of the incoming output @return The OutputHandler itself */
71            inline OutputHandler& setOutputLevel(int level)
72                { this->outputLevel_ = level; return *this; }
73
74            /** @brief Returns the level of the incoming output. @return The level */
75            inline int getOutputLevel() const
76                { return this->outputLevel_; }
77
78            static int getSoftDebugLevel(OutputHandler::OutputDevice device);
79
80            template <class T>
81            OutputHandler& output(const T& output);
82
83            /** @brief Overloaded << operator, redirects the output to the console and the logfile. @param val The value that should be shown in the console @return A reference to the OutputHandler itself */
84            inline OutputHandler& operator<<(unsigned char val)   { return this->output(val); }
85            /** @brief Overloaded << operator, redirects the output to the console and the logfile. @param val The value that should be shown in the console @return A reference to the OutputHandler itself */
86            inline OutputHandler& operator<<(short val)           { return this->output(val); }
87            /** @brief Overloaded << operator, redirects the output to the console and the logfile. @param val The value that should be shown in the console @return A reference to the OutputHandler itself */
88            inline OutputHandler& operator<<(unsigned short val)  { return this->output(val); }
89            /** @brief Overloaded << operator, redirects the output to the console and the logfile. @param val The value that should be shown in the console @return A reference to the OutputHandler itself */
90            inline OutputHandler& operator<<(int val)             { return this->output(val); }
91            /** @brief Overloaded << operator, redirects the output to the console and the logfile. @param val The value that should be shown in the console @return A reference to the OutputHandler itself */
92            inline OutputHandler& operator<<(unsigned int val)    { return this->output(val); }
93            /** @brief Overloaded << operator, redirects the output to the console and the logfile. @param val The value that should be shown in the console @return A reference to the OutputHandler itself */
94            inline OutputHandler& operator<<(long val)            { return this->output(val); }
95            /** @brief Overloaded << operator, redirects the output to the console and the logfile. @param val The value that should be shown in the console @return A reference to the OutputHandler itself */
96            inline OutputHandler& operator<<(unsigned long val)   { return this->output(val); }
97            /** @brief Overloaded << operator, redirects the output to the console and the logfile. @param val The value that should be shown in the console @return A reference to the OutputHandler itself */
98            inline OutputHandler& operator<<(float val)           { return this->output(val); }
99            /** @brief Overloaded << operator, redirects the output to the console and the logfile. @param val The value that should be shown in the console @return A reference to the OutputHandler itself */
100            inline OutputHandler& operator<<(double val)          { return this->output(val); }
101            /** @brief Overloaded << operator, redirects the output to the console and the logfile. @param val The value that should be shown in the console @return A reference to the OutputHandler itself */
102            inline OutputHandler& operator<<(long double val)     { return this->output(val); }
103            /** @brief Overloaded << operator, redirects the output to the console and the logfile. @param val The value that should be shown in the console @return A reference to the OutputHandler itself */
104            inline OutputHandler& operator<<(const void* val)     { return this->output(val); }
105            /** @brief Overloaded << operator, redirects the output to the console and the logfile. @param val The value that should be shown in the console @return A reference to the OutputHandler itself */
106            inline OutputHandler& operator<<(bool val)            { return this->output(val); }
107
108            OutputHandler& operator<<(std::streambuf* sb);
109
110            OutputHandler& operator<<(std::ostream& (*manipulator)(std::ostream&));
111            OutputHandler& operator<<(std::ios& (*manipulator)(std::ios&));
112            OutputHandler& operator<<(std::ios_base& (*manipulator)(std::ios_base&));
113
114        private:
115            explicit OutputHandler(const std::string& logfilename);
116            OutputHandler(const OutputHandler& oh);  // don't copy
117            virtual ~OutputHandler();
118            std::ofstream logfile_;     //!< The logfile where the output is logged
119            std::string logfilename_;   //!< The name of the logfile
120            int outputLevel_;           //!< The level of the incoming output
121    };
122
123    /**
124        @brief Redirects the output to the console and the logfile.
125        @param output The value that should be shown in the console
126        @return A reference to the OutputHandler itself
127    */
128    template<class T>
129    OutputHandler& OutputHandler::output(const T& output)
130    {
131        if (OutputHandler::getSoftDebugLevel(OutputHandler::LD_Console) >= this->outputLevel_)
132            std::cout << output;
133
134        if (OutputHandler::getSoftDebugLevel(OutputHandler::LD_Logfile) >= this->outputLevel_)
135        {
136            this->logfile_ << output;
137            this->logfile_.flush();
138        }
139
140        return *this;
141    }
142
143    /**
144        @brief Overloading of the non-member << operator to redirect the output of classes with self defined '<< to std::ostream' operators to the console and the logfile.
145        @param out The OutputHandler itself
146        @param output The class that should be shown in the console
147        @return The OutputHandler itself
148    */
149    template<class T>
150    OutputHandler& operator<<(OutputHandler& out, const T& output)
151    {
152        if (OutputHandler::getSoftDebugLevel(OutputHandler::LD_Console) >= out.getOutputLevel())
153            std::cout << output;
154
155        if (OutputHandler::getSoftDebugLevel(OutputHandler::LD_Logfile) >= out.getOutputLevel())
156        {
157            out.getLogfile() << output;
158            out.getLogfile().flush();
159        }
160
161        return out;
162    }
163
164}
165
166#endif /* _OutputHandler_H__ */
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