strawberry-audio-player-win.../ext/libstrawberry-common/core/logging.h

100 lines
3.0 KiB
C++

/* This file is part of Strawberry.
Copyright 2011, David Sansome <me@davidsansome.com>
Copyright 2018-2021, Jonas Kvinge <jonas@jkvinge.net>
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
#ifndef LOGGING_H
#define LOGGING_H
#include <chrono>
#include <QtGlobal>
#include <QIODevice>
#include <QString>
#include <QDebug>
#ifdef QT_NO_DEBUG_STREAM
# define qLog(level) while (false) QNoDebug()
# define qLogCat(level, category) while (false) QNoDebug()
#else
# ifdef _MSC_VER
# define qLog(level) logging::CreateLogger##level(__LINE__, __FUNCSIG__, nullptr)
# else
# define qLog(level) logging::CreateLogger##level(__LINE__, __PRETTY_FUNCTION__, nullptr)
# endif // _MSC_VER
// This macro specifies a separate category for message filtering.
// The default qLog will use the class name extracted from the function name for this purpose.
// The category is also printed in the message along with the class name.
# ifdef _MSC_VER
# define qLogCat(level, category) logging::CreateLogger##level(__LINE__, __FUNCSIG__, category)
# else
# define qLogCat(level, category) logging::CreateLogger##level(__LINE__, __PRETTY_FUNCTION__, category)
# endif // _MSC_VER
#endif // QT_NO_DEBUG_STREAM
namespace logging {
class NullDevice : public QIODevice {
Q_OBJECT
public:
NullDevice(QObject *parent = nullptr) : QIODevice(parent) {}
protected:
qint64 readData(char*, qint64) override { return -1; }
qint64 writeData(const char*, qint64 len) override { return len; }
};
enum Level {
Level_Fatal = -1,
Level_Error = 0,
Level_Warning,
Level_Info,
Level_Debug,
};
void Init();
void SetLevels(const QString &levels);
void DumpStackTrace();
QDebug CreateLoggerInfo(int line, const char *pretty_function, const char *category);
QDebug CreateLoggerFatal(int line, const char *pretty_function, const char *category);
QDebug CreateLoggerError(int line, const char *pretty_function, const char *category);
#ifdef QT_NO_WARNING_OUTPUT
QNoDebug CreateLoggerWarning(int, const char*, const char*);
#else
QDebug CreateLoggerWarning(int line, const char *pretty_function, const char *category);
#endif // QT_NO_WARNING_OUTPUT
#ifdef QT_NO_DEBUG_OUTPUT
QNoDebug CreateLoggerDebug(int, const char*, const char*);
#else
QDebug CreateLoggerDebug(int line, const char *pretty_function, const char *category);
#endif // QT_NO_DEBUG_OUTPUT
void GLog(const char *domain, int level, const char *message, void *user_data);
extern const char *kDefaultLogLevels;
} // namespace logging
QDebug operator<<(QDebug dbg, std::chrono::seconds secs);
#endif // LOGGING_H