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Disable colors if terminal no attached and simplfy ansicolor_sink

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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
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@ -19,7 +19,10 @@ namespace details
struct log_msg struct log_msg
{ {
log_msg() = default; 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 #ifndef SPDLOG_NO_DATETIME
time = os::now(); time = os::now();
@ -42,7 +45,6 @@ struct log_msg
fmt::MemoryWriter raw; fmt::MemoryWriter raw;
fmt::MemoryWriter formatted; fmt::MemoryWriter formatted;
size_t msg_id; size_t msg_id;
}; };
} }
} }

501
include/spdlog/details/os.h
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@ -29,7 +29,7 @@
#endif #endif
#include <windows.h> #include <windows.h>
#include <process.h> // _get_pid support #include <process.h> // _get_pid support
#include <io.h> // _get_osfhandle support #include <io.h> // _get_osfhandle and _isatty support
#ifdef __MINGW32__ #ifdef __MINGW32__
#include <share.h> #include <share.h>
@ -56,82 +56,82 @@
namespace spdlog namespace spdlog
{ {
namespace details namespace details
{ {
namespace os namespace os
{ {
inline spdlog::log_clock::time_point now() inline spdlog::log_clock::time_point now()
{ {
#if defined __linux__ && defined SPDLOG_CLOCK_COARSE #if defined __linux__ && defined SPDLOG_CLOCK_COARSE
timespec ts; timespec ts;
::clock_gettime(CLOCK_REALTIME_COARSE, &ts); ::clock_gettime(CLOCK_REALTIME_COARSE, &ts);
return std::chrono::time_point<log_clock, typename log_clock::duration>( return std::chrono::time_point<log_clock, typename log_clock::duration>(
std::chrono::duration_cast<typename log_clock::duration>( std::chrono::duration_cast<typename log_clock::duration>(
std::chrono::seconds(ts.tv_sec) + std::chrono::nanoseconds(ts.tv_nsec))); std::chrono::seconds(ts.tv_sec) + std::chrono::nanoseconds(ts.tv_nsec)));
#else #else
return log_clock::now(); return log_clock::now();
#endif #endif
} }
inline std::tm localtime(const std::time_t &time_tt) inline std::tm localtime(const std::time_t &time_tt)
{ {
#ifdef _WIN32 #ifdef _WIN32
std::tm tm; std::tm tm;
localtime_s(&tm, &time_tt); localtime_s(&tm, &time_tt);
#else #else
std::tm tm; std::tm tm;
localtime_r(&time_tt, &tm); localtime_r(&time_tt, &tm);
#endif #endif
return tm; return tm;
} }
inline std::tm localtime() inline std::tm localtime()
{ {
std::time_t now_t = time(nullptr); std::time_t now_t = time(nullptr);
return localtime(now_t); 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 #ifdef _WIN32
std::tm tm; std::tm tm;
gmtime_s(&tm, &time_tt); gmtime_s(&tm, &time_tt);
#else #else
std::tm tm; std::tm tm;
gmtime_r(&time_tt, &tm); gmtime_r(&time_tt, &tm);
#endif #endif
return tm; return tm;
} }
inline std::tm gmtime() inline std::tm gmtime()
{ {
std::time_t now_t = time(nullptr); std::time_t now_t = time(nullptr);
return gmtime(now_t); return gmtime(now_t);
} }
inline bool operator==(const std::tm& tm1, const std::tm& tm2) inline bool operator==(const std::tm& tm1, const std::tm& tm2)
{ {
return (tm1.tm_sec == tm2.tm_sec && return (tm1.tm_sec == tm2.tm_sec &&
tm1.tm_min == tm2.tm_min && tm1.tm_min == tm2.tm_min &&
tm1.tm_hour == tm2.tm_hour && tm1.tm_hour == tm2.tm_hour &&
tm1.tm_mday == tm2.tm_mday && tm1.tm_mday == tm2.tm_mday &&
tm1.tm_mon == tm2.tm_mon && tm1.tm_mon == tm2.tm_mon &&
tm1.tm_year == tm2.tm_year && tm1.tm_year == tm2.tm_year &&
tm1.tm_isdst == tm2.tm_isdst); tm1.tm_isdst == tm2.tm_isdst);
} }
inline bool operator!=(const std::tm& tm1, const std::tm& tm2) inline bool operator!=(const std::tm& tm1, const std::tm& tm2)
{ {
return !(tm1 == tm2); return !(tm1 == tm2);
} }
// eol definition // eol definition
#if !defined (SPDLOG_EOL) #if !defined (SPDLOG_EOL)
#ifdef _WIN32 #ifdef _WIN32
#define SPDLOG_EOL "\r\n" #define SPDLOG_EOL "\r\n"
@ -140,315 +140,322 @@ inline bool operator!=(const std::tm& tm1, const std::tm& tm2)
#endif #endif
#endif #endif
SPDLOG_CONSTEXPR static const char* eol = SPDLOG_EOL; SPDLOG_CONSTEXPR static const char* eol = SPDLOG_EOL;
SPDLOG_CONSTEXPR static int eol_size = sizeof(SPDLOG_EOL) - 1; 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 #ifdef _WIN32
auto file_handle = (HANDLE)_get_osfhandle(_fileno(f)); auto file_handle = (HANDLE)_get_osfhandle(_fileno(f));
if (!::SetHandleInformation(file_handle, HANDLE_FLAG_INHERIT, 0)) if (!::SetHandleInformation(file_handle, HANDLE_FLAG_INHERIT, 0))
throw spdlog_ex("SetHandleInformation failed", errno); throw spdlog_ex("SetHandleInformation failed", errno);
#else #else
auto fd = fileno(f); auto fd = fileno(f);
if(fcntl(fd, F_SETFD, FD_CLOEXEC) == -1) if (fcntl(fd, F_SETFD, FD_CLOEXEC) == -1)
throw spdlog_ex("fcntl with FD_CLOEXEC failed", errno); throw spdlog_ex("fcntl with FD_CLOEXEC failed", errno);
#endif #endif
} }
//fopen_s on non windows for writing //fopen_s on non windows for writing
inline int fopen_s(FILE** fp, const filename_t& filename, const filename_t& mode) inline int fopen_s(FILE** fp, const filename_t& filename, const filename_t& mode)
{ {
#ifdef _WIN32 #ifdef _WIN32
#ifdef SPDLOG_WCHAR_FILENAMES #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 #else
*fp = _fsopen((filename.c_str()), mode.c_str(), _SH_DENYWR); *fp = _fsopen((filename.c_str()), mode.c_str(), _SH_DENYWR);
#endif #endif
#else //unix #else //unix
*fp = fopen((filename.c_str()), mode.c_str()); *fp = fopen((filename.c_str()), mode.c_str());
#endif #endif
#ifdef SPDLOG_PREVENT_CHILD_FD #ifdef SPDLOG_PREVENT_CHILD_FD
if(*fp != nullptr) if (*fp != nullptr)
prevent_child_fd(*fp); prevent_child_fd(*fp);
#endif #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) #if defined(_WIN32) && defined(SPDLOG_WCHAR_FILENAMES)
return _wremove(filename.c_str()); return _wremove(filename.c_str());
#else #else
return std::remove(filename.c_str()); return std::remove(filename.c_str());
#endif #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) #if defined(_WIN32) && defined(SPDLOG_WCHAR_FILENAMES)
return _wrename(filename1.c_str(), filename2.c_str()); return _wrename(filename1.c_str(), filename2.c_str());
#else #else
return std::rename(filename1.c_str(), filename2.c_str()); return std::rename(filename1.c_str(), filename2.c_str());
#endif #endif
} }
//Return if file exists //Return if file exists
inline bool file_exists(const filename_t& filename) inline bool file_exists(const filename_t& filename)
{ {
#ifdef _WIN32 #ifdef _WIN32
#ifdef SPDLOG_WCHAR_FILENAMES #ifdef SPDLOG_WCHAR_FILENAMES
auto attribs = GetFileAttributesW(filename.c_str()); auto attribs = GetFileAttributesW(filename.c_str());
#else #else
auto attribs = GetFileAttributesA(filename.c_str()); auto attribs = GetFileAttributesA(filename.c_str());
#endif #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 #else //common linux/unix all have the stat system call
struct stat buffer; struct stat buffer;
return (stat (filename.c_str(), &buffer) == 0); return (stat(filename.c_str(), &buffer) == 0);
#endif #endif
} }
//Return file size according to open FILE* object //Return file size according to open FILE* object
inline size_t filesize(FILE *f) inline size_t filesize(FILE *f)
{ {
if (f == nullptr) if (f == nullptr)
throw spdlog_ex("Failed getting file size. fd is null"); throw spdlog_ex("Failed getting file size. fd is null");
#ifdef _WIN32 #ifdef _WIN32
int fd = _fileno(f); int fd = _fileno(f);
#if _WIN64 //64 bits #if _WIN64 //64 bits
struct _stat64 st; struct _stat64 st;
if (_fstat64(fd, &st) == 0) if (_fstat64(fd, &st) == 0)
return st.st_size; return st.st_size;
#else //windows 32 bits #else //windows 32 bits
long ret = _filelength(fd); long ret = _filelength(fd);
if (ret >= 0) if (ret >= 0)
return static_cast<size_t>(ret); return static_cast<size_t>(ret);
#endif #endif
#else // unix #else // unix
int fd = fileno(f); int fd = fileno(f);
//64 bits(but not in osx, where fstat64 is deprecated) //64 bits(but not in osx, where fstat64 is deprecated)
#if !defined(__FreeBSD__) && !defined(__APPLE__) && (defined(__x86_64__) || defined(__ppc64__)) #if !defined(__FreeBSD__) && !defined(__APPLE__) && (defined(__x86_64__) || defined(__ppc64__))
struct stat64 st; struct stat64 st;
if (fstat64(fd, &st) == 0) if (fstat64(fd, &st) == 0)
return static_cast<size_t>(st.st_size); return static_cast<size_t>(st.st_size);
#else // unix 32 bits or osx #else // unix 32 bits or osx
struct stat st; struct stat st;
if (fstat(fd, &st) == 0) if (fstat(fd, &st) == 0)
return static_cast<size_t>(st.st_size); return static_cast<size_t>(st.st_size);
#endif #endif
#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 //Return utc offset in minutes or throw spdlog_ex on failure
inline int utc_minutes_offset(const std::tm& tm = details::os::localtime()) inline int utc_minutes_offset(const std::tm& tm = details::os::localtime())
{ {
#ifdef _WIN32 #ifdef _WIN32
#if _WIN32_WINNT < _WIN32_WINNT_WS08 #if _WIN32_WINNT < _WIN32_WINNT_WS08
TIME_ZONE_INFORMATION tzinfo; TIME_ZONE_INFORMATION tzinfo;
auto rv = GetTimeZoneInformation(&tzinfo); auto rv = GetTimeZoneInformation(&tzinfo);
#else #else
DYNAMIC_TIME_ZONE_INFORMATION tzinfo; DYNAMIC_TIME_ZONE_INFORMATION tzinfo;
auto rv = GetDynamicTimeZoneInformation(&tzinfo); auto rv = GetDynamicTimeZoneInformation(&tzinfo);
#endif #endif
if (rv == TIME_ZONE_ID_INVALID) if (rv == TIME_ZONE_ID_INVALID)
throw spdlog::spdlog_ex("Failed getting timezone info. ", errno); throw spdlog::spdlog_ex("Failed getting timezone info. ", errno);
int offset = -tzinfo.Bias; int offset = -tzinfo.Bias;
if (tm.tm_isdst) if (tm.tm_isdst)
offset -= tzinfo.DaylightBias; offset -= tzinfo.DaylightBias;
else else
offset -= tzinfo.StandardBias; offset -= tzinfo.StandardBias;
return offset; return offset;
#else #else
#if defined(sun) || defined(__sun) #if defined(sun) || defined(__sun)
// 'tm_gmtoff' field is BSD extension and it's missing on SunOS/Solaris // 'tm_gmtoff' field is BSD extension and it's missing on SunOS/Solaris
struct helper struct helper
{ {
static long int calculate_gmt_offset(const std::tm & localtm = details::os::localtime(), const std::tm & gmtm = details::os::gmtime()) 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 local_year = localtm.tm_year + (1900 - 1);
int gmt_year = gmtm.tm_year + (1900 - 1); int gmt_year = gmtm.tm_year + (1900 - 1);
long int days = ( long int days = (
// difference in day of year // difference in day of year
localtm.tm_yday - gmtm.tm_yday localtm.tm_yday - gmtm.tm_yday
// + intervening leap days // + intervening leap days
+ ((local_year >> 2) - (gmt_year >> 2)) + ((local_year >> 2) - (gmt_year >> 2))
- (local_year / 100 - gmt_year / 100) - (local_year / 100 - gmt_year / 100)
+ ((local_year / 100 >> 2) - (gmt_year / 100 >> 2)) + ((local_year / 100 >> 2) - (gmt_year / 100 >> 2))
// + difference in years * 365 */ // + difference in years * 365 */
+ (long int)(local_year - gmt_year) * 365 + (long int)(local_year - gmt_year) * 365
); );
long int hours = (24 * days) + (localtm.tm_hour - gmtm.tm_hour); long int hours = (24 * days) + (localtm.tm_hour - gmtm.tm_hour);
long int mins = (60 * hours) + (localtm.tm_min - gmtm.tm_min); long int mins = (60 * hours) + (localtm.tm_min - gmtm.tm_min);
long int secs = (60 * mins) + (localtm.tm_sec - gmtm.tm_sec); 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 #else
long int offset_seconds = tm.tm_gmtoff; long int offset_seconds = tm.tm_gmtoff;
#endif #endif
return static_cast<int>(offset_seconds / 60); return static_cast<int>(offset_seconds / 60);
#endif #endif
} }
//Return current thread id as size_t //Return current thread id as size_t
//It exists because the std::this_thread::get_id() is much slower(espcially under VS 2013) //It exists because the std::this_thread::get_id() is much slower(espcially under VS 2013)
inline size_t _thread_id() inline size_t _thread_id()
{ {
#ifdef _WIN32 #ifdef _WIN32
return static_cast<size_t>(::GetCurrentThreadId()); return static_cast<size_t>(::GetCurrentThreadId());
#elif __linux__ #elif __linux__
# if defined(__ANDROID__) && defined(__ANDROID_API__) && (__ANDROID_API__ < 21) # if defined(__ANDROID__) && defined(__ANDROID_API__) && (__ANDROID_API__ < 21)
# define SYS_gettid __NR_gettid # define SYS_gettid __NR_gettid
# endif # endif
return static_cast<size_t>(syscall(SYS_gettid)); return static_cast<size_t>(syscall(SYS_gettid));
#elif __FreeBSD__ #elif __FreeBSD__
long tid; long tid;
thr_self(&tid); thr_self(&tid);
return static_cast<size_t>(tid); return static_cast<size_t>(tid);
#else //Default to standard C++11 (OSX and other Unix) #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 #endif
} }
//Return current thread id as size_t (from thread local storage) //Return current thread id as size_t (from thread local storage)
inline size_t thread_id() inline size_t thread_id()
{ {
#if defined(_MSC_VER) && (_MSC_VER < 1900) || defined(__clang__) && !__has_feature(cxx_thread_local) #if defined(_MSC_VER) && (_MSC_VER < 1900) || defined(__clang__) && !__has_feature(cxx_thread_local)
return _thread_id(); return _thread_id();
#else #else
static thread_local const size_t tid = _thread_id(); static thread_local const size_t tid = _thread_id();
return tid; return tid;
#endif #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) #if defined(_WIN32) && defined(SPDLOG_WCHAR_FILENAMES)
#define SPDLOG_FILENAME_T(s) L ## s #define SPDLOG_FILENAME_T(s) L ## s
inline std::string filename_to_str(const filename_t& filename) inline std::string filename_to_str(const filename_t& filename)
{ {
std::wstring_convert<std::codecvt_utf8<wchar_t>, wchar_t> c; std::wstring_convert<std::codecvt_utf8<wchar_t>, wchar_t> c;
return c.to_bytes(filename); return c.to_bytes(filename);
} }
#else #else
#define SPDLOG_FILENAME_T(s) s #define SPDLOG_FILENAME_T(s) s
inline std::string filename_to_str(const filename_t& filename) inline std::string filename_to_str(const filename_t& filename)
{ {
return filename; return filename;
} }
#endif #endif
inline std::string errno_to_string(char [256], char* res) inline std::string errno_to_string(char[256], char* res)
{ {
return std::string(res); return std::string(res);
} }
inline std::string errno_to_string(char buf[256], int res) inline std::string errno_to_string(char buf[256], int res)
{ {
if (res == 0) if (res == 0) {
{ return std::string(buf);
return std::string(buf); }
} else {
else return "Unknown error";
{ }
return "Unknown error"; }
}
}
// Return errno string (thread safe) // Return errno string (thread safe)
inline std::string errno_str(int err_num) inline std::string errno_str(int err_num)
{ {
char buf[256]; char buf[256];
SPDLOG_CONSTEXPR auto buf_size = sizeof(buf); SPDLOG_CONSTEXPR auto buf_size = sizeof(buf);
#ifdef _WIN32 #ifdef _WIN32
if(strerror_s(buf, buf_size, err_num) == 0) if (strerror_s(buf, buf_size, err_num) == 0)
return std::string(buf); return std::string(buf);
else else
return "Unknown error"; return "Unknown error";
#elif defined(__FreeBSD__) || defined(__APPLE__) || defined(ANDROID) || defined(__SUNPRO_CC) || \ #elif defined(__FreeBSD__) || defined(__APPLE__) || defined(ANDROID) || defined(__SUNPRO_CC) || \
((_POSIX_C_SOURCE >= 200112L) && ! defined(_GNU_SOURCE)) // posix version ((_POSIX_C_SOURCE >= 200112L) && ! defined(_GNU_SOURCE)) // posix version
if (strerror_r(err_num, buf, buf_size) == 0) if (strerror_r(err_num, buf, buf_size) == 0)
return std::string(buf); return std::string(buf);
else else
return "Unknown error"; return "Unknown error";
#else // gnu version (might not use the given buf, so its retval pointer must be used) #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 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 return errno_to_string(buf, err); // use overloading to select correct stringify function
#endif #endif
} }
inline int pid() inline int pid()
{ {
#ifdef _WIN32 #ifdef _WIN32
return ::_getpid(); return ::_getpid();
#else #else
return static_cast<int>(::getpid()); return static_cast<int>(::getpid());
#endif #endif
} }
// Detrmine if the terminal supports colors // Detrmine if the terminal supports colors
// Source: https://github.com/agauniyal/rang/ // Source: https://github.com/agauniyal/rang/
inline bool is_color_terminal() inline bool is_color_terminal()
{ {
#ifdef _WIN32 #ifdef _WIN32
return true; return true;
#else #else
static constexpr const char* Terms[] = static constexpr const char* Terms[] =
{ {
"ansi", "color", "console", "cygwin", "gnome", "konsole", "kterm", "ansi", "color", "console", "cygwin", "gnome", "konsole", "kterm",
"linux", "msys", "putty", "rxvt", "screen", "vt100", "xterm" "linux", "msys", "putty", "rxvt", "screen", "vt100", "xterm"
}; };
const char *env_p = std::getenv("TERM"); const char *env_p = std::getenv("TERM");
if (env_p == nullptr) if (env_p == nullptr) {
{ return false;
return false; }
}
static const bool result = std::any_of( static const bool result = std::any_of(
std::begin(Terms), std::end(Terms), [&](const char* term) std::begin(Terms), std::end(Terms), [&](const char* term) {
{ return std::strstr(env_p, term) != nullptr;
return std::strstr(env_p, term) != nullptr; });
}); return result;
return result;
#endif #endif
} }
} //os // Detrmine if the terminal attached
} //details // 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 } //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) 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); return spdlog::details::registry::instance().create(logger_name, sink);
} }
inline std::shared_ptr<spdlog::logger> spdlog::stdout_color_st(const std::string& logger_name) 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); return spdlog::details::registry::instance().create(logger_name, sink);
} }
inline std::shared_ptr<spdlog::logger> spdlog::stderr_color_mt(const std::string& logger_name) 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); return spdlog::details::registry::instance().create(logger_name, sink);
} }
inline std::shared_ptr<spdlog::logger> spdlog::stderr_color_st(const std::string& logger_name) 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); return spdlog::details::registry::instance().create(logger_name, sink);
} }
#endif #endif

174
include/spdlog/sinks/ansicolor_sink.h
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@ -10,118 +10,90 @@
#include <spdlog/details/os.h> #include <spdlog/details/os.h>
#include <string> #include <string>
#include <map> #include <unordered_map>
namespace spdlog namespace spdlog
{ {
namespace sinks namespace sinks
{ {
/** /**
* @brief The ansi_color_sink is a decorator around another sink and prefixes * @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 * the output with an ANSI escape sequence color code depending on the severity
* of the message. * of the message.
*/ */
class ansicolor_sink SPDLOG_FINAL: public sink template <class Mutex>
{ class ansicolor_sink SPDLOG_FINAL: public base_sink<Mutex>
public: {
ansicolor_sink(sink_ptr wrapped_sink); public:
virtual ~ansicolor_sink(); 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; void flush() override
ansicolor_sink& operator=(const ansicolor_sink& other) = delete; {
fflush(_target_file);
}
virtual void log(const details::log_msg& msg) override; protected:
virtual void flush() override; virtual void _sink_it(const details::log_msg& msg) override
{
void set_color(level::level_enum color_level, const std::string& color); // Wrap the originally formatted message in color codes.
// If color is not supported in the terminal, log as is instead.
/// Formatting codes if (should_do_colors_)
const std::string reset = "\033[00m"; {
const std::string bold = "\033[1m"; const std::string& prefix = colors_[msg.level];
const std::string dark = "\033[2m"; const std::string& suffix = ansi_color_codes::reset;
const std::string underline = "\033[4m"; fwrite(prefix, sizeof(char), prefix.size(), _target_file);
const std::string blink = "\033[5m"; fwrite(msg.formatted.data(), sizeof(char), msg.formatted.size(), _target_file);
const std::string reverse = "\033[7m"; fwrite(suffix, sizeof(char), suffix.size(), _target_file);
const std::string concealed = "\033[8m"; }
else
// Foreground colors {
const std::string grey = "\033[30m"; fwrite(msg.formatted.data(), sizeof(char), msg.formatted.size(), _target_file);
const std::string red = "\033[31m"; }
const std::string green = "\033[32m"; }
const std::string yellow = "\033[33m"; private:
const std::string blue = "\033[34m"; bool should_do_colors_;
const std::string magenta = "\033[35m"; std::unordered_map<level::level_enum, std::string> colors_;
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: template<class Mutex>
bool is_color_terminal_; class ansicolor_stdout_sink: public ansicolor_sink<Mutex>
sink_ptr sink_; {
std::map<level::level_enum, std::string> colors_; public:
}; ansicolor_stdout_sink(): ansicolor_sink<Mutex>(stdout)
{}
};
inline ansicolor_sink::ansicolor_sink(sink_ptr wrapped_sink): sink_(wrapped_sink) template<class Mutex>
{ class ansicolor_stderr_sink: public ansicolor_sink<Mutex>
is_color_terminal_ = details::os::is_color_terminal(); {
colors_[level::trace] = cyan; public:
colors_[level::debug] = cyan; ansicolor_stderr_sink(): ansicolor_sink<Mutex>(stderr)
colors_[level::info] = bold; {}
colors_[level::warn] = yellow + bold; };
colors_[level::err] = red + bold;
colors_[level::critical] = bold + on_red;
colors_[level::off] = reset;
}
inline void ansicolor_sink::log(const details::log_msg& msg) typedef ansicolor_stdout_sink<std::mutex> ansicolor_stdout_sink_mt;
{ typedef ansicolor_stdout_sink<details::null_mutex> ansicolor_stdout_sink_st;
// 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);
}
}
inline void ansicolor_sink::flush() typedef ansicolor_stderr_sink<std::mutex> ansicolor_stderr_sink_mt;
{ typedef ansicolor_stderr_sink<details::null_mutex> ansicolor_stderr_sink_st;
sink_->flush();
}
inline void ansicolor_sink::set_color(level::level_enum color_level, const std::string& color) } // namespace sinks
{
colors_[color_level] = color;
}
inline ansicolor_sink::~ansicolor_sink()
{
flush();
}
} // namespace sinks
} // namespace spdlog } // namespace spdlog