source: src/logger.cpp@ 88104f

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Last change on this file since 88104f was aee1a3, checked in by Tillmann Crueger <crueger@…>, 15 years ago

Made logger class use the new Singleton framework

  • Property mode set to 100644
File size: 1.4 KB
Line 
1/*
2 * logger.cpp
3 *
4 * Created on: Oct 19, 2009
5 * Author: metzler
6 */
7
8#include <fstream>
9#include "logger.hpp"
10#include "verbose.hpp"
11#include "Patterns/Singleton_impl.hpp"
12
13ofstream nullStream("/dev/null");
14
15int logger::verbosity = 2;
16ostream* logger::nix = &nullStream;
17
18/**
19 * Constructor. Do not use this function. Use getInstance() instead.
20 *
21 * \return logger instance
22 */
23logger::logger()
24{
25 verbosity = 2;
26};
27
28/**
29 * Destructor. Better use purgeInstance().
30 */
31logger::~logger() {
32 verbosity = 2;
33}
34
35CONSTRUCT_SINGLETON(logger)
36
37/**
38 * Sets the verbosity.
39 *
40 * \param verbosityLevel verbosity
41 */
42void logger::setVerbosity(int verbosityLevel) {
43 verbosity = verbosityLevel;
44}
45
46/**
47 * Operator for the Binary(arg) call.
48 * Constructs temporary a Verbose class object, wherein the Binary is stored.
49 * Then << is called, which calls Binary's print which adds the tabs and logs
50 * the stream.
51 * \param &ost stream to extend
52 * \param &m pointer to created Binary object
53 * \return &ost
54 */
55ostream& operator<<(class logger& l, const Verbose& v)
56{
57 int verbosityLevel = l.verbosity;
58 l.nix->clear();
59 if (v.DoOutput(verbosityLevel)) {
60 v.print(cout);
61 return cout;
62 } else
63 return *l.nix;
64};
65ostream& operator<<(class logger* l, const Verbose& v)
66{
67 int verbosityLevel = l->verbosity;
68 l->nix->clear();
69 if (v.DoOutput(verbosityLevel)) {
70 v.print(cout);
71 return cout;
72 } else
73 return *l->nix;
74};
75
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