1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
|
/***************************************************************************
Logger.h - Kwave log file handling
-------------------
begin : Sat May 17 2014
copyright : (C) 2014 by Thomas Eschenbacher
email : Thomas.Eschenbacher@gmx.de
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#ifndef KWAVE_LOGGER_H
#define KWAVE_LOGGER_H
#include "config.h"
#include "libkwave_export.h"
#include <QtGlobal>
class QFile;
class QObject;
class QString;
namespace Kwave
{
/**
* This is the main application class for Kwave. It contains functions
* for opening and saving files, opening new windows and holds global
* configuration data.
*/
class Logger
{
public:
typedef enum
{
Debug = 0, /**< debug message */
Info, /**< info */
Warning, /**< warning, something might have went wrong */
Error, /**< error, something failed, but is recoverable */
Fatal /**< fatal error, not recoverable, have to exit */
} LogLevel;
/**
* Constructor
*/
Logger();
/** Destructor. */
virtual ~Logger();
/**
* open a log file for writing
* @note must only be called once, if there already is a log file,
* then the old log file will be closed and the new one will
* be opened.
* @param filename name of the log file
* @return true if succeed, false if failed
*/
static bool LIBKWAVE_EXPORT open(const QString &filename);
/**
* log a message to the log file
*
* @param sender pointer to the sender of the message, must be
* derived from QObject
* @param level the log level / severity
* @param msg the message to log
*/
static void LIBKWAVE_EXPORT log(const QObject *sender,
LogLevel level,
const QString &msg);
private:
/** log file that receives the log messages (Null is allowed) */
static QFile *m_logfile;
};
}
#endif // _KWAVE_LOGGER_H_
//***************************************************************************
//***************************************************************************
|
