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
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
|
/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/
#ifndef LOGGING_H
#include <qglobal.h>
#if QT_VERSION < QT_VERSION_CHECK(5, 2, 0)
//
// Qt < 5.2 didn't feature categorized logging:
// Just enable qCWarning, qCCritical, but disable qCDebug
//
class QLoggingCategory
{
Q_DISABLE_COPY(QLoggingCategory)
public:
explicit QLoggingCategory(const char *category) : name(category) {}
~QLoggingCategory();
bool isDebugEnabled() const { return false; }
bool isWarningEnabled() const { return true; }
bool isCriticalEnabled() const { return true; }
const char *categoryName() const { return name; }
QLoggingCategory &operator()() { return *this; }
private:
const char *name;
};
#define Q_DECLARE_LOGGING_CATEGORY(name) \
extern QLoggingCategory &name();
// relies on QLoggingCategory(QString) being thread safe!
#define Q_LOGGING_CATEGORY(name, string) \
QLoggingCategory &name() \
{ \
static QLoggingCategory category(string); \
return category; \
}
#if QT_VERSION > QT_VERSION_CHECK(5, 0, 0)
//
// Qt 5.0, 5.1 do have already support for categories in QMessageLogger
//
#define qCDebug(category, ...) \
for (bool q_category_enabled = category().isDebugEnabled(); q_category_enabled; q_category_enabled = false) \
QMessageLogger(__FILE__, __LINE__, Q_FUNC_INFO, category().categoryName()).debug(__VA_ARGS__)
#define qCWarning(category, ...) \
for (bool q_category_enabled = category().isWarningEnabled(); q_category_enabled; q_category_enabled = false) \
QMessageLogger(__FILE__, __LINE__, Q_FUNC_INFO, category().categoryName()).warning(__VA_ARGS__)
#define qCCritical(category, ...) \
for (bool q_category_enabled = category().isCriticalEnabled(); q_category_enabled; q_category_enabled = false) \
QMessageLogger(__FILE__, __LINE__, Q_FUNC_QT_VERSION < 0x053000INFO, category().categoryName()).critical(__VA_ARGS__)
# else
//
// Qt 4: just map to qDebug etc
//
#define qCDebug(category, ...) \
for (bool q_category_enabled = category().isDebugEnabled(); q_category_enabled; q_category_enabled = false) \
qDebug(__VA_ARGS__)
#define qCWarning(category, ...) \
for (bool q_category_enabled = category().isWarningEnabled(); q_category_enabled; q_category_enabled = false) \
qWarning(__VA_ARGS__)
#define qCCritical(category, ...) \
for (bool q_category_enabled = category().isCriticalEnabled(); q_category_enabled; q_category_enabled = false) \
qCritical(__VA_ARGS__)
# endif // QT_VERSION > QT_VERSION_CHECK(5, 0, 0)
#else // QT_VERSION >= QT_VERSION_CHECK(5, 2, 0)
#include <QLoggingCategory>
#if QT_VERSION < QT_VERSION_CHECK(5, 3, 0)
// printf style for qCDebug was only added in Qt 5.3
#undef qCDebug
#undef qCWarning
#undef qCCritical
#define qCDebug(category, ...) \
for (bool q_category_enabled = category().isDebugEnabled(); q_category_enabled; q_category_enabled = false) \
QMessageLogger(__FILE__, __LINE__, Q_FUNC_INFO, category().categoryName()).debug(__VA_ARGS__)
#define qCWarning(category, ...) \
for (bool q_category_enabled = category().isWarningEnabled(); q_category_enabled; q_category_enabled = false) \
QMessageLogger(__FILE__, __LINE__, Q_FUNC_INFO, category().categoryName()).warning(__VA_ARGS__)
#define qCCritical(category, ...) \
for (bool q_category_enabled = category().isCriticalEnabled(); q_category_enabled; q_category_enabled = false) \
QMessageLogger(__FILE__, __LINE__, Q_FUNC_INFO, category().categoryName()).critical(__VA_ARGS__)
#endif // QT_VERSION < QT_VERSION_CHECK(5, 3, 0)
#endif // QT_VERSION < QT_VERSION_CHECK(5, 2, 0)
#endif // LOGGING_H
|
