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
|
#pragma once
#include <format>
// allow user to disable debug macros
#ifndef CREPE_DISABLE_MACROS
#include "LogColor.h"
// utility macros
#define _crepe_logf_here(level, fmt, ...) \
crepe::Log::logf(level, "{}" fmt, \
crepe::LogColor().fg_white(false).str(std::format( \
"{} ({}:{})", __PRETTY_FUNCTION__, __FILE_NAME__, __LINE__)), \
__VA_ARGS__)
// very illegal global function-style macros
// NOLINTBEGIN
#define dbg_logf(fmt, ...) _crepe_logf_here(crepe::Log::Level::DEBUG, ": " fmt, __VA_ARGS__)
#define dbg_log(str) _crepe_logf_here(crepe::Log::Level::DEBUG, ": {}", str)
#define dbg_trace() _crepe_logf_here(crepe::Log::Level::TRACE, "", "")
// NOLINTEND
#endif
namespace crepe {
/**
* \brief Logging utility
*
* This class is used to output log messages to the console and/or log files.
*/
class Log {
public:
//! Log message severity
enum Level {
TRACE, //< Include (internal) function calls
DEBUG, //< Include dbg_logf output
INFO, //< General-purpose messages
WARNING, //< Non-fatal errors
ERROR, //< Fatal errors
};
/**
* \brief Log a formatted message
*
* \param level Message severity
* \param msg Formatted message
*/
static void log(const Level & level, const std::string & msg);
/**
* \brief Format a message and log it
*
* \param level Message severity
* \param fmt Message format
* \param args Format arguments
*/
template <class... Args>
static void logf(const Level & level, std::format_string<Args...> fmt, Args &&... args);
/**
* \brief Format a message and log it (with default severity \c INFO)
*
* \param fmt Message format
* \param args Format arguments
*/
template <class... Args>
static void logf(std::format_string<Args...> fmt, Args &&... args);
private:
/**
* \brief Output a message prefix depending on the log level
*
* \param level Message severity
*
* \return Colored message severity prefix string
*/
static std::string prefix(const Level & level);
};
} // namespace crepe
#include "Log.hpp"
|