source: src/errorlogger.cpp@ f1ef60a

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Last change on this file since f1ef60a was 89f768, checked in by Frederik Heber <heber@…>, 16 years ago

BUGFIX: Output is again indented, errorLogger prefixes according to verbosity.

  • BUGFIX: as "(logger << verbose) = cout" was evaluated, this did not translate to (cout << verbose). Hence, the tabbing was lost. This is fixed.
  • errorLogger::operator << : 0 - CRITICL, 1 - ERROR, 2, ... - WARNING
  • in class Verbose the logger::operator functions are declared friend to allow access to Verbose::verbosity
  • Property mode set to 100644
File size: 2.3 KB
Line 
1/*
2 * errorLogger.cpp
3 *
4 * Created on: Oct 19, 2009
5 * Author: metzler
6 */
7
8#include <fstream>
9#include "errorlogger.hpp"
10#include "verbose.hpp"
11
12ofstream null("/dev/null");
13
14errorLogger* errorLogger::instance = NULL;
15int errorLogger::verbosity = 2;
16ostream* errorLogger::nix = &null;
17
18/**
19 * Constructor. Do not use this function. Use getInstance() instead.
20 *
21 * \return errorLogger instance
22 */
23errorLogger::errorLogger()
24{
25 instance = NULL;
26 verbosity = 2;
27};
28
29/**
30 * Destructor. Better use purgeInstance().
31 */
32errorLogger::~errorLogger() {
33 verbosity = 2;
34}
35
36/**
37 * Returns the singleton errorLogger instance.
38 *
39 * \return errorLogger instance
40 */
41errorLogger* errorLogger::getInstance() {
42 if (instance == NULL) {
43 instance = new errorLogger();
44 }
45
46 return instance;
47}
48
49
50/**
51 * Purges the current errorLogger instance.
52 */
53void errorLogger::purgeInstance() {
54 if (instance != NULL) {
55 delete instance;
56 }
57
58 instance = NULL;
59}
60
61/**
62 * Sets the verbosity.
63 *
64 * \param verbosityLevel verbosity
65 */
66void errorLogger::setVerbosity(int verbosityLevel) {
67 verbosity = verbosityLevel;
68}
69
70/**
71 * Operator for the Binary(arg) call.
72 * Constructs temporary a Verbose class object, wherein the Binary is stored.
73 * Then << is called, which calls Binary's print which adds the tabs and logs
74 * the stream.
75 * \param &ost stream to extend
76 * \param &m pointer to created Binary object
77 * \return &ost
78 */
79ostream& operator<<(class errorLogger& l, const Verbose& v)
80{
81 int verbosityLevel = l.verbosity;
82 l.nix->clear();
83 if (v.DoOutput(verbosityLevel)) {
84 v.print(cout);
85 switch(v.Verbosity) {
86 case 0:
87 cout << "CRITICAL: ";
88 break;
89 case 1:
90 cout << "ERROR: ";
91 break;
92 case 2:
93 cout << "WARNING: ";
94 break;
95 default:
96 break;
97 }
98 return cerr;
99 } else
100 return *l.nix;
101};
102ostream& operator<<(class errorLogger* l, const Verbose& v)
103{
104 int verbosityLevel = l->verbosity;
105 l->nix->clear();
106 if (v.DoOutput(verbosityLevel)) {
107 v.print(cout);
108 switch(v.Verbosity) {
109 case 0:
110 cout << "CRITICAL: ";
111 break;
112 case 1:
113 cout << "ERROR: ";
114 break;
115 case 2:
116 cout << "WARNING: ";
117 break;
118 default:
119 break;
120 }
121 return cerr;
122 } else
123 return *l->nix;
124};
125
126
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