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Disable colors if terminal no attached and simplfy ansicolor_sink

This commit is contained in:
gabime 2017-05-21 01:36:03 +03:00
parent 1ab63ffdca
commit 98addad888
4 changed files with 335 additions and 354 deletions
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6
include/spdlog/details/log_msg.h
View File

@ -19,7 +19,10 @@ namespace details
struct log_msg
{
log_msg() = default;
log_msg(const std::string *loggers_name, level::level_enum lvl) : logger_name(loggers_name), level(lvl)
log_msg(const std::string *loggers_name, level::level_enum lvl) :
logger_name(loggers_name),
level(lvl),
msg_id(0)
{
#ifndef SPDLOG_NO_DATETIME
time = os::now();
@ -42,7 +45,6 @@ struct log_msg
fmt::MemoryWriter raw;
fmt::MemoryWriter formatted;
size_t msg_id;
};
}
}

501
include/spdlog/details/os.h
View File

@ -29,7 +29,7 @@
#endif
#include <windows.h>
#include <process.h> // _get_pid support
#include <io.h> // _get_osfhandle support
#include <io.h> // _get_osfhandle and _isatty support
#ifdef __MINGW32__
#include <share.h>
@ -56,82 +56,82 @@
namespace spdlog
{
namespace details
{
namespace os
{
namespace details
{
namespace os
{
inline spdlog::log_clock::time_point now()
{
inline spdlog::log_clock::time_point now()
{
#if defined __linux__ && defined SPDLOG_CLOCK_COARSE
timespec ts;
::clock_gettime(CLOCK_REALTIME_COARSE, &ts);
return std::chrono::time_point<log_clock, typename log_clock::duration>(
std::chrono::duration_cast<typename log_clock::duration>(
std::chrono::seconds(ts.tv_sec) + std::chrono::nanoseconds(ts.tv_nsec)));
timespec ts;
::clock_gettime(CLOCK_REALTIME_COARSE, &ts);
return std::chrono::time_point<log_clock, typename log_clock::duration>(
std::chrono::duration_cast<typename log_clock::duration>(
std::chrono::seconds(ts.tv_sec) + std::chrono::nanoseconds(ts.tv_nsec)));
#else
return log_clock::now();
return log_clock::now();
#endif
}
inline std::tm localtime(const std::time_t &time_tt)
{
}
inline std::tm localtime(const std::time_t &time_tt)
{
#ifdef _WIN32
std::tm tm;
localtime_s(&tm, &time_tt);
std::tm tm;
localtime_s(&tm, &time_tt);
#else
std::tm tm;
localtime_r(&time_tt, &tm);
std::tm tm;
localtime_r(&time_tt, &tm);
#endif
return tm;
}
return tm;
}
inline std::tm localtime()
{
std::time_t now_t = time(nullptr);
return localtime(now_t);
}
inline std::tm localtime()
{
std::time_t now_t = time(nullptr);
return localtime(now_t);
}
inline std::tm gmtime(const std::time_t &time_tt)
{
inline std::tm gmtime(const std::time_t &time_tt)
{
#ifdef _WIN32
std::tm tm;
gmtime_s(&tm, &time_tt);
std::tm tm;
gmtime_s(&tm, &time_tt);
#else
std::tm tm;
gmtime_r(&time_tt, &tm);
std::tm tm;
gmtime_r(&time_tt, &tm);
#endif
return tm;
}
return tm;
}
inline std::tm gmtime()
{
std::time_t now_t = time(nullptr);
return gmtime(now_t);
}
inline bool operator==(const std::tm& tm1, const std::tm& tm2)
{
return (tm1.tm_sec == tm2.tm_sec &&
tm1.tm_min == tm2.tm_min &&
tm1.tm_hour == tm2.tm_hour &&
tm1.tm_mday == tm2.tm_mday &&
tm1.tm_mon == tm2.tm_mon &&
tm1.tm_year == tm2.tm_year &&
tm1.tm_isdst == tm2.tm_isdst);
}
inline std::tm gmtime()
{
std::time_t now_t = time(nullptr);
return gmtime(now_t);
}
inline bool operator==(const std::tm& tm1, const std::tm& tm2)
{
return (tm1.tm_sec == tm2.tm_sec &&
tm1.tm_min == tm2.tm_min &&
tm1.tm_hour == tm2.tm_hour &&
tm1.tm_mday == tm2.tm_mday &&
tm1.tm_mon == tm2.tm_mon &&
tm1.tm_year == tm2.tm_year &&
tm1.tm_isdst == tm2.tm_isdst);
}
inline bool operator!=(const std::tm& tm1, const std::tm& tm2)
{
return !(tm1 == tm2);
}
inline bool operator!=(const std::tm& tm1, const std::tm& tm2)
{
return !(tm1 == tm2);
}
// eol definition
// eol definition
#if !defined (SPDLOG_EOL)
#ifdef _WIN32
#define SPDLOG_EOL "\r\n"
@ -140,315 +140,322 @@ inline bool operator!=(const std::tm& tm1, const std::tm& tm2)
#endif
#endif
SPDLOG_CONSTEXPR static const char* eol = SPDLOG_EOL;
SPDLOG_CONSTEXPR static int eol_size = sizeof(SPDLOG_EOL) - 1;
SPDLOG_CONSTEXPR static const char* eol = SPDLOG_EOL;
SPDLOG_CONSTEXPR static int eol_size = sizeof(SPDLOG_EOL) - 1;
inline void prevent_child_fd(FILE *f)
{
inline void prevent_child_fd(FILE *f)
{
#ifdef _WIN32
auto file_handle = (HANDLE)_get_osfhandle(_fileno(f));
if (!::SetHandleInformation(file_handle, HANDLE_FLAG_INHERIT, 0))
throw spdlog_ex("SetHandleInformation failed", errno);
auto file_handle = (HANDLE)_get_osfhandle(_fileno(f));
if (!::SetHandleInformation(file_handle, HANDLE_FLAG_INHERIT, 0))
throw spdlog_ex("SetHandleInformation failed", errno);
#else
auto fd = fileno(f);
if(fcntl(fd, F_SETFD, FD_CLOEXEC) == -1)
throw spdlog_ex("fcntl with FD_CLOEXEC failed", errno);
auto fd = fileno(f);
if (fcntl(fd, F_SETFD, FD_CLOEXEC) == -1)
throw spdlog_ex("fcntl with FD_CLOEXEC failed", errno);
#endif
}
}
//fopen_s on non windows for writing
inline int fopen_s(FILE** fp, const filename_t& filename, const filename_t& mode)
{
//fopen_s on non windows for writing
inline int fopen_s(FILE** fp, const filename_t& filename, const filename_t& mode)
{
#ifdef _WIN32
#ifdef SPDLOG_WCHAR_FILENAMES
*fp = _wfsopen((filename.c_str()), mode.c_str(), _SH_DENYWR);
*fp = _wfsopen((filename.c_str()), mode.c_str(), _SH_DENYWR);
#else
*fp = _fsopen((filename.c_str()), mode.c_str(), _SH_DENYWR);
*fp = _fsopen((filename.c_str()), mode.c_str(), _SH_DENYWR);
#endif
#else //unix
*fp = fopen((filename.c_str()), mode.c_str());
*fp = fopen((filename.c_str()), mode.c_str());
#endif
#ifdef SPDLOG_PREVENT_CHILD_FD
if(*fp != nullptr)
prevent_child_fd(*fp);
if (*fp != nullptr)
prevent_child_fd(*fp);
#endif
return *fp == nullptr;
}
return *fp == nullptr;
}
inline int remove(const filename_t &filename)
{
inline int remove(const filename_t &filename)
{
#if defined(_WIN32) && defined(SPDLOG_WCHAR_FILENAMES)
return _wremove(filename.c_str());
return _wremove(filename.c_str());
#else
return std::remove(filename.c_str());
return std::remove(filename.c_str());
#endif
}
}
inline int rename(const filename_t& filename1, const filename_t& filename2)
{
inline int rename(const filename_t& filename1, const filename_t& filename2)
{
#if defined(_WIN32) && defined(SPDLOG_WCHAR_FILENAMES)
return _wrename(filename1.c_str(), filename2.c_str());
return _wrename(filename1.c_str(), filename2.c_str());
#else
return std::rename(filename1.c_str(), filename2.c_str());
return std::rename(filename1.c_str(), filename2.c_str());
#endif
}
}
//Return if file exists
inline bool file_exists(const filename_t& filename)
{
//Return if file exists
inline bool file_exists(const filename_t& filename)
{
#ifdef _WIN32
#ifdef SPDLOG_WCHAR_FILENAMES
auto attribs = GetFileAttributesW(filename.c_str());
auto attribs = GetFileAttributesW(filename.c_str());
#else
auto attribs = GetFileAttributesA(filename.c_str());
auto attribs = GetFileAttributesA(filename.c_str());
#endif
return (attribs != INVALID_FILE_ATTRIBUTES && !(attribs & FILE_ATTRIBUTE_DIRECTORY));
return (attribs != INVALID_FILE_ATTRIBUTES && !(attribs & FILE_ATTRIBUTE_DIRECTORY));
#else //common linux/unix all have the stat system call
struct stat buffer;
return (stat (filename.c_str(), &buffer) == 0);
struct stat buffer;
return (stat(filename.c_str(), &buffer) == 0);
#endif
}
}
//Return file size according to open FILE* object
inline size_t filesize(FILE *f)
{
if (f == nullptr)
throw spdlog_ex("Failed getting file size. fd is null");
//Return file size according to open FILE* object
inline size_t filesize(FILE *f)
{
if (f == nullptr)
throw spdlog_ex("Failed getting file size. fd is null");
#ifdef _WIN32
int fd = _fileno(f);
int fd = _fileno(f);
#if _WIN64 //64 bits
struct _stat64 st;
if (_fstat64(fd, &st) == 0)
return st.st_size;
struct _stat64 st;
if (_fstat64(fd, &st) == 0)
return st.st_size;
#else //windows 32 bits
long ret = _filelength(fd);
if (ret >= 0)
return static_cast<size_t>(ret);
long ret = _filelength(fd);
if (ret >= 0)
return static_cast<size_t>(ret);
#endif
#else // unix
int fd = fileno(f);
//64 bits(but not in osx, where fstat64 is deprecated)
int fd = fileno(f);
//64 bits(but not in osx, where fstat64 is deprecated)
#if !defined(__FreeBSD__) && !defined(__APPLE__) && (defined(__x86_64__) || defined(__ppc64__))
struct stat64 st;
if (fstat64(fd, &st) == 0)
return static_cast<size_t>(st.st_size);
struct stat64 st;
if (fstat64(fd, &st) == 0)
return static_cast<size_t>(st.st_size);
#else // unix 32 bits or osx
struct stat st;
if (fstat(fd, &st) == 0)
return static_cast<size_t>(st.st_size);
struct stat st;
if (fstat(fd, &st) == 0)
return static_cast<size_t>(st.st_size);
#endif
#endif
throw spdlog_ex("Failed getting file size from fd", errno);
}
throw spdlog_ex("Failed getting file size from fd", errno);
}
//Return utc offset in minutes or throw spdlog_ex on failure
inline int utc_minutes_offset(const std::tm& tm = details::os::localtime())
{
//Return utc offset in minutes or throw spdlog_ex on failure
inline int utc_minutes_offset(const std::tm& tm = details::os::localtime())
{
#ifdef _WIN32
#if _WIN32_WINNT < _WIN32_WINNT_WS08
TIME_ZONE_INFORMATION tzinfo;
auto rv = GetTimeZoneInformation(&tzinfo);
TIME_ZONE_INFORMATION tzinfo;
auto rv = GetTimeZoneInformation(&tzinfo);
#else
DYNAMIC_TIME_ZONE_INFORMATION tzinfo;
auto rv = GetDynamicTimeZoneInformation(&tzinfo);
DYNAMIC_TIME_ZONE_INFORMATION tzinfo;
auto rv = GetDynamicTimeZoneInformation(&tzinfo);
#endif
if (rv == TIME_ZONE_ID_INVALID)
throw spdlog::spdlog_ex("Failed getting timezone info. ", errno);
if (rv == TIME_ZONE_ID_INVALID)
throw spdlog::spdlog_ex("Failed getting timezone info. ", errno);
int offset = -tzinfo.Bias;
if (tm.tm_isdst)
offset -= tzinfo.DaylightBias;
else
offset -= tzinfo.StandardBias;
return offset;
int offset = -tzinfo.Bias;
if (tm.tm_isdst)
offset -= tzinfo.DaylightBias;
else
offset -= tzinfo.StandardBias;
return offset;
#else
#if defined(sun) || defined(__sun)
// 'tm_gmtoff' field is BSD extension and it's missing on SunOS/Solaris
struct helper
{
static long int calculate_gmt_offset(const std::tm & localtm = details::os::localtime(), const std::tm & gmtm = details::os::gmtime())
{
int local_year = localtm.tm_year + (1900 - 1);
int gmt_year = gmtm.tm_year + (1900 - 1);
// 'tm_gmtoff' field is BSD extension and it's missing on SunOS/Solaris
struct helper
{
static long int calculate_gmt_offset(const std::tm & localtm = details::os::localtime(), const std::tm & gmtm = details::os::gmtime())
{
int local_year = localtm.tm_year + (1900 - 1);
int gmt_year = gmtm.tm_year + (1900 - 1);
long int days = (
// difference in day of year
localtm.tm_yday - gmtm.tm_yday
long int days = (
// difference in day of year
localtm.tm_yday - gmtm.tm_yday
// + intervening leap days
+ ((local_year >> 2) - (gmt_year >> 2))
- (local_year / 100 - gmt_year / 100)
+ ((local_year / 100 >> 2) - (gmt_year / 100 >> 2))
// + intervening leap days
+ ((local_year >> 2) - (gmt_year >> 2))
- (local_year / 100 - gmt_year / 100)
+ ((local_year / 100 >> 2) - (gmt_year / 100 >> 2))
// + difference in years * 365 */
+ (long int)(local_year - gmt_year) * 365
);
// + difference in years * 365 */
+ (long int)(local_year - gmt_year) * 365
);
long int hours = (24 * days) + (localtm.tm_hour - gmtm.tm_hour);
long int mins = (60 * hours) + (localtm.tm_min - gmtm.tm_min);
long int secs = (60 * mins) + (localtm.tm_sec - gmtm.tm_sec);
long int hours = (24 * days) + (localtm.tm_hour - gmtm.tm_hour);
long int mins = (60 * hours) + (localtm.tm_min - gmtm.tm_min);
long int secs = (60 * mins) + (localtm.tm_sec - gmtm.tm_sec);
return secs;
}
};
return secs;
}
};
long int offset_seconds = helper::calculate_gmt_offset(tm);
long int offset_seconds = helper::calculate_gmt_offset(tm);
#else
long int offset_seconds = tm.tm_gmtoff;
long int offset_seconds = tm.tm_gmtoff;
#endif
return static_cast<int>(offset_seconds / 60);
return static_cast<int>(offset_seconds / 60);
#endif
}
}
//Return current thread id as size_t
//It exists because the std::this_thread::get_id() is much slower(espcially under VS 2013)
inline size_t _thread_id()
{
//Return current thread id as size_t
//It exists because the std::this_thread::get_id() is much slower(espcially under VS 2013)
inline size_t _thread_id()
{
#ifdef _WIN32
return static_cast<size_t>(::GetCurrentThreadId());
return static_cast<size_t>(::GetCurrentThreadId());
#elif __linux__
# if defined(__ANDROID__) && defined(__ANDROID_API__) && (__ANDROID_API__ < 21)
# define SYS_gettid __NR_gettid
# endif
return static_cast<size_t>(syscall(SYS_gettid));
return static_cast<size_t>(syscall(SYS_gettid));
#elif __FreeBSD__
long tid;
thr_self(&tid);
return static_cast<size_t>(tid);
long tid;
thr_self(&tid);
return static_cast<size_t>(tid);
#else //Default to standard C++11 (OSX and other Unix)
return static_cast<size_t>(std::hash<std::thread::id>()(std::this_thread::get_id()));
return static_cast<size_t>(std::hash<std::thread::id>()(std::this_thread::get_id()));
#endif
}
}
//Return current thread id as size_t (from thread local storage)
inline size_t thread_id()
{
//Return current thread id as size_t (from thread local storage)
inline size_t thread_id()
{
#if defined(_MSC_VER) && (_MSC_VER < 1900) || defined(__clang__) && !__has_feature(cxx_thread_local)
return _thread_id();
return _thread_id();
#else
static thread_local const size_t tid = _thread_id();
return tid;
static thread_local const size_t tid = _thread_id();
return tid;
#endif
}
}
// wchar support for windows file names (SPDLOG_WCHAR_FILENAMES must be defined)
// wchar support for windows file names (SPDLOG_WCHAR_FILENAMES must be defined)
#if defined(_WIN32) && defined(SPDLOG_WCHAR_FILENAMES)
#define SPDLOG_FILENAME_T(s) L ## s
inline std::string filename_to_str(const filename_t& filename)
{
std::wstring_convert<std::codecvt_utf8<wchar_t>, wchar_t> c;
return c.to_bytes(filename);
}
inline std::string filename_to_str(const filename_t& filename)
{
std::wstring_convert<std::codecvt_utf8<wchar_t>, wchar_t> c;
return c.to_bytes(filename);
}
#else
#define SPDLOG_FILENAME_T(s) s
inline std::string filename_to_str(const filename_t& filename)
{
return filename;
}
inline std::string filename_to_str(const filename_t& filename)
{
return filename;
}
#endif
inline std::string errno_to_string(char [256], char* res)
{
return std::string(res);
}
inline std::string errno_to_string(char[256], char* res)
{
return std::string(res);
}
inline std::string errno_to_string(char buf[256], int res)
{
if (res == 0)
{
return std::string(buf);
}
else
{
return "Unknown error";
}
}
inline std::string errno_to_string(char buf[256], int res)
{
if (res == 0) {
return std::string(buf);
}
else {
return "Unknown error";
}
}
// Return errno string (thread safe)
inline std::string errno_str(int err_num)
{
char buf[256];
SPDLOG_CONSTEXPR auto buf_size = sizeof(buf);
// Return errno string (thread safe)
inline std::string errno_str(int err_num)
{
char buf[256];
SPDLOG_CONSTEXPR auto buf_size = sizeof(buf);
#ifdef _WIN32
if(strerror_s(buf, buf_size, err_num) == 0)
return std::string(buf);
else
return "Unknown error";
if (strerror_s(buf, buf_size, err_num) == 0)
return std::string(buf);
else
return "Unknown error";
#elif defined(__FreeBSD__) || defined(__APPLE__) || defined(ANDROID) || defined(__SUNPRO_CC) || \
((_POSIX_C_SOURCE >= 200112L) && ! defined(_GNU_SOURCE)) // posix version
if (strerror_r(err_num, buf, buf_size) == 0)
return std::string(buf);
else
return "Unknown error";
if (strerror_r(err_num, buf, buf_size) == 0)
return std::string(buf);
else
return "Unknown error";
#else // gnu version (might not use the given buf, so its retval pointer must be used)
auto err = strerror_r(err_num, buf, buf_size); // let compiler choose type
return errno_to_string(buf, err); // use overloading to select correct stringify function
auto err = strerror_r(err_num, buf, buf_size); // let compiler choose type
return errno_to_string(buf, err); // use overloading to select correct stringify function
#endif
}
}
inline int pid()
{
inline int pid()
{
#ifdef _WIN32
return ::_getpid();
return ::_getpid();
#else
return static_cast<int>(::getpid());
return static_cast<int>(::getpid());
#endif
}
}
// Detrmine if the terminal supports colors
// Source: https://github.com/agauniyal/rang/
inline bool is_color_terminal()
{
// Detrmine if the terminal supports colors
// Source: https://github.com/agauniyal/rang/
inline bool is_color_terminal()
{
#ifdef _WIN32
return true;
return true;
#else
static constexpr const char* Terms[] =
{
"ansi", "color", "console", "cygwin", "gnome", "konsole", "kterm",
"linux", "msys", "putty", "rxvt", "screen", "vt100", "xterm"
};
static constexpr const char* Terms[] =
{
"ansi", "color", "console", "cygwin", "gnome", "konsole", "kterm",
"linux", "msys", "putty", "rxvt", "screen", "vt100", "xterm"
};
const char *env_p = std::getenv("TERM");
if (env_p == nullptr)
{
return false;
}
const char *env_p = std::getenv("TERM");
if (env_p == nullptr) {
return false;
}
static const bool result = std::any_of(
std::begin(Terms), std::end(Terms), [&](const char* term)
{
return std::strstr(env_p, term) != nullptr;
});
return result;
static const bool result = std::any_of(
std::begin(Terms), std::end(Terms), [&](const char* term) {
return std::strstr(env_p, term) != nullptr;
});
return result;
#endif
}
}
} //os
} //details
// Detrmine if the terminal attached
// Source: https://github.com/agauniyal/rang/
bool in_terminal(FILE* file)
{
#ifdef _WIN32
return _isatty(_fileno(file)) ? true : false;
#else
return isatty(fileno(file)) ? true : false;
#endif
}
} //os
} //details
} //spdlog

8
include/spdlog/details/spdlog_impl.h
View File

@ -137,25 +137,25 @@ inline std::shared_ptr<spdlog::logger> spdlog::stderr_color_st(const std::string
inline std::shared_ptr<spdlog::logger> spdlog::stdout_color_mt(const std::string& logger_name)
{
auto sink = std::make_shared<spdlog::sinks::ansicolor_sink>(spdlog::sinks::stdout_sink_mt::instance());
auto sink = std::make_shared<spdlog::sinks::ansicolor_stdout_sink_mt>();
return spdlog::details::registry::instance().create(logger_name, sink);
}
inline std::shared_ptr<spdlog::logger> spdlog::stdout_color_st(const std::string& logger_name)
{
auto sink = std::make_shared<spdlog::sinks::ansicolor_sink>(spdlog::sinks::stdout_sink_st::instance());
auto sink = std::make_shared<spdlog::sinks::ansicolor_stdout_sink_st>();
return spdlog::details::registry::instance().create(logger_name, sink);
}
inline std::shared_ptr<spdlog::logger> spdlog::stderr_color_mt(const std::string& logger_name)
{
auto sink = std::make_shared<spdlog::sinks::ansicolor_sink>(spdlog::sinks::stderr_sink_mt::instance());
auto sink = std::make_shared<spdlog::sinks::ansicolor_stderr_sink_mt>();
return spdlog::details::registry::instance().create(logger_name, sink);
}
inline std::shared_ptr<spdlog::logger> spdlog::stderr_color_st(const std::string& logger_name)
{
auto sink = std::make_shared<spdlog::sinks::ansicolor_sink>(spdlog::sinks::stderr_sink_st::instance());
auto sink = std::make_shared<spdlog::sinks::ansicolor_stderr_sink_st>();
return spdlog::details::registry::instance().create(logger_name, sink);
}
#endif

174
include/spdlog/sinks/ansicolor_sink.h
View File

@ -10,118 +10,90 @@
#include <spdlog/details/os.h>
#include <string>
#include <map>
#include <unordered_map>
namespace spdlog
{
namespace sinks
{
namespace sinks
{
/**
* @brief The ansi_color_sink is a decorator around another sink and prefixes
* the output with an ANSI escape sequence color code depending on the severity
* of the message.
*/
class ansicolor_sink SPDLOG_FINAL: public sink
{
public:
ansicolor_sink(sink_ptr wrapped_sink);
virtual ~ansicolor_sink();
/**
* @brief The ansi_color_sink is a decorator around another sink and prefixes
* the output with an ANSI escape sequence color code depending on the severity
* of the message.
*/
template <class Mutex>
class ansicolor_sink SPDLOG_FINAL: public base_sink<Mutex>
{
public:
ansicolor_sink(FILE* file): _target_file(file)
{
using namespace ansi_color_codes;
should_do_colors_ = details::os::in_terminal(file) && details::os::is_color_terminal();
colors_[level::trace] = "\033[36m"; // cyan;
colors_[level::debug] = "\033[36m"; // cyan;
colors_[level::info] = "\033[1m";// bold;
colors_[level::warn] = "\033[33m\033[1m"; // yellow_bold;
colors_[level::err] = "\033[31m\033[1m"; // red_bold;
colors_[level::critical] = "\033[1m\033[41m"; // bold_red_bg;
colors_[level::off] = "\033[00m"; //reset;
}
virtual ~ansicolor_sink()
{
flush();
}
ansicolor_sink(const ansicolor_sink& other) = delete;
ansicolor_sink& operator=(const ansicolor_sink& other) = delete;
void flush() override
{
fflush(_target_file);
}
virtual void log(const details::log_msg& msg) override;
virtual void flush() override;
void set_color(level::level_enum color_level, const std::string& color);
/// Formatting codes
const std::string reset = "\033[00m";
const std::string bold = "\033[1m";
const std::string dark = "\033[2m";
const std::string underline = "\033[4m";
const std::string blink = "\033[5m";
const std::string reverse = "\033[7m";
const std::string concealed = "\033[8m";
// Foreground colors
const std::string grey = "\033[30m";
const std::string red = "\033[31m";
const std::string green = "\033[32m";
const std::string yellow = "\033[33m";
const std::string blue = "\033[34m";
const std::string magenta = "\033[35m";
const std::string cyan = "\033[36m";
const std::string white = "\033[37m";
/// Background colors
const std::string on_grey = "\033[40m";
const std::string on_red = "\033[41m";
const std::string on_green = "\033[42m";
const std::string on_yellow = "\033[43m";
const std::string on_blue = "\033[44m";
const std::string on_magenta = "\033[45m";
const std::string on_cyan = "\033[46m";
const std::string on_white = "\033[47m";
protected:
virtual void _sink_it(const details::log_msg& msg) override
{
// Wrap the originally formatted message in color codes.
// If color is not supported in the terminal, log as is instead.
if (should_do_colors_)
{
const std::string& prefix = colors_[msg.level];
const std::string& suffix = ansi_color_codes::reset;
fwrite(prefix, sizeof(char), prefix.size(), _target_file);
fwrite(msg.formatted.data(), sizeof(char), msg.formatted.size(), _target_file);
fwrite(suffix, sizeof(char), suffix.size(), _target_file);
}
else
{
fwrite(msg.formatted.data(), sizeof(char), msg.formatted.size(), _target_file);
}
}
private:
bool should_do_colors_;
std::unordered_map<level::level_enum, std::string> colors_;
};
protected:
bool is_color_terminal_;
sink_ptr sink_;
std::map<level::level_enum, std::string> colors_;
};
template<class Mutex>
class ansicolor_stdout_sink: public ansicolor_sink<Mutex>
{
public:
ansicolor_stdout_sink(): ansicolor_sink<Mutex>(stdout)
{}
};
inline ansicolor_sink::ansicolor_sink(sink_ptr wrapped_sink): sink_(wrapped_sink)
{
is_color_terminal_ = details::os::is_color_terminal();
colors_[level::trace] = cyan;
colors_[level::debug] = cyan;
colors_[level::info] = bold;
colors_[level::warn] = yellow + bold;
colors_[level::err] = red + bold;
colors_[level::critical] = bold + on_red;
colors_[level::off] = reset;
}
template<class Mutex>
class ansicolor_stderr_sink: public ansicolor_sink<Mutex>
{
public:
ansicolor_stderr_sink(): ansicolor_sink<Mutex>(stderr)
{}
};
inline void ansicolor_sink::log(const details::log_msg& msg)
{
// Wrap the originally formatted message in color codes.
// If color is not supported in the terminal, log as is instead.
if (is_color_terminal_)
{
const std::string& prefix = colors_[msg.level];
const std::string& s = msg.formatted.str();
const std::string& suffix = reset;
details::log_msg m;
m.level = msg.level;
m.logger_name = msg.logger_name;
m.time = msg.time;
m.thread_id = msg.thread_id;
m.formatted << prefix << s << suffix;
sink_->log(m);
}
else
{
sink_->log(msg);
}
}
typedef ansicolor_stdout_sink<std::mutex> ansicolor_stdout_sink_mt;
typedef ansicolor_stdout_sink<details::null_mutex> ansicolor_stdout_sink_st;
inline void ansicolor_sink::flush()
{
sink_->flush();
}
typedef ansicolor_stderr_sink<std::mutex> ansicolor_stderr_sink_mt;
typedef ansicolor_stderr_sink<details::null_mutex> ansicolor_stderr_sink_st;
inline void ansicolor_sink::set_color(level::level_enum color_level, const std::string& color)
{
colors_[color_level] = color;
}
inline ansicolor_sink::~ansicolor_sink()
{
flush();
}
} // namespace sinks
} // namespace sinks
} // namespace spdlog