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2 * Copyright (c) 2002, Robert Collins..
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
9 * A copy of the GNU General Public License can be found at
12 * Written by Robert Collins <rbtcollins@hotmail.com>
16 #include "LogSingleton.h"
21 /* Helper functions */
23 /* End of a Log comment */
24 ostream
& endLog(ostream
& outs
)
26 /* Doesn't seem to be any way around this */
27 dynamic_cast<LogSingleton
&>(outs
).endEntry();
31 /* The LogSingleton class */
33 LogSingleton
* LogSingleton::theInstance(0);
35 LogSingleton::LogSingleton(std::streambuf
* aStream
) : ios (aStream
), ostream (aStream
)
39 LogSingleton::~LogSingleton(){}
42 LogSingleton::GetInstance()
45 throw new invalid_argument ("No instance has been set!");
50 LogSingleton::SetInstance(LogSingleton
&newInstance
)
52 theInstance
= &newInstance
;
56 // Logging class. Default logging level is PLAIN.
57 class LogSingleton
: public ostream
61 /* Some platforms don't call destructors. So this call exists
62 * which guarantees to flush any log data...
63 * but doesn't call generic C++ destructors
65 virtual void exit (int const exit_code
) __attribute__ ((noreturn
));
66 // get a specific verbosity stream.
67 virtual ostream
&operator() (enum log_level level
);
69 friend ostream
& endLog(ostream
& outs
);
72 LogSingleton (LogSingleton
const &); // no copy constructor
73 LogSingleton
&operator = (LogSingleton
const&); // no assignment operator
74 void endEntry(); // the current in-progress entry is complete.
76 static LogSingleton
*theInstance
;
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