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Dogcows Code - chaz/yoink/blob - src/Moof/Log.hh
2 /*******************************************************************************
4 Copyright (c) 2009, Charles McGarvey
7 Redistribution and use in source and binary forms, with or without
8 modification, are permitted provided that the following conditions are met:
10 * Redistributions of source code must retain the above copyright notice,
11 this list of conditions and the following disclaimer.
12 * Redistributions in binary form must reproduce the above copyright notice,
13 this list of conditions and the following disclaimer in the documentation
14 and/or other materials provided with the distribution.
16 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19 DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
20 FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
22 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
23 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24 OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
25 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *******************************************************************************/
34 * Functions related to logging the process.
35 * The logging functions are logError(), logWarning(), logInfo(), and
36 * logDebug(), listed from most critical to least critical.
39 #include <cstdlib> // exit
44 * Macro which tests an assertion and issues an logError() and exits if false.
45 * @param X test to perform
53 #define ASSERT(X) if (!(X)) Mf::logError << \
54 "false assertion at " << __FILE__ << ":" << __LINE__ << ", " << #X, exit(1)
67 NONE
= 0, ///< Disable all logging.
68 ERRORR
= 1, ///< Log only errors.
69 WARNING
= 2, ///< Log warnings and errors.
70 INFO
= 3, ///< Log everything.
73 static void setLevel(Level level
);
74 static Level
getLevel();
77 Log(Level level
, const char* type
) :
79 mType(type
) /* only pass literal strings */ {}
83 void operator () (const T
& item
)
85 *this << item
<< std::endl
;
90 template <typename T
> friend std::ostream
& operator << (Log
&, const T
&);
99 extern std::ostream
& log
;
100 extern std::ostream
& nullLog
;
103 extern Log logWarning
;
107 template <typename T
>
108 inline std::ostream
& operator << (Log
& logObj
, const T
& item
)
110 if (Log::gLevel
< logObj
.mLevel
) return nullLog
;
111 return log
<< logObj
.mType
<< item
;
116 void importLogFunctions(Script
& script
);
121 #endif // _MOOF_LOG_H_
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