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spdlog
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API for color support in console logger

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pull/192/head
gabime 10 years ago
parent a96092ac32
commit 296623baa3
6 changed files with 45 additions and 95 deletions
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12
README.md
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@ -65,8 +65,8 @@ int main(int, char* [])
namespace spd = spdlog;
try
{
//Create console, multithreaded logger
auto console = spd::stdout_logger_mt("console");
//Create thread safe console logger (with colors)
auto console = spd::stdout_logger_mt("console", true);
console->info("Welcome to spdlog!") ;
console->info("An info message example {}..", 1);
console->info() << "Streams are supported too " << 1;
@ -133,13 +133,7 @@ int main(int, char* [])
auto syslog_logger = spd::syslog_logger("syslog", ident, LOG_PID);
syslog_logger->warn("This is warning that will end up in syslog. This is Linux only!");
#endif
//colored console sink example
auto console_out = spdlog::sinks::stderr_sink_st::instance();
auto color_sink = std::make_shared<spd::sinks::ansicolor_sink>(console_out); // wraps around another sink
auto color_logger = spd::details::registry::instance().create("Color", color_sink);
color_sink->set_color(spd::level::info, color_sink->bold + color_sink->green);
color_logger->info("Testing color logger...");
}
catch (const spd::spdlog_ex& ex)
{

31
example/example.cpp
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@ -13,20 +13,19 @@
void async_example();
void syslog_example();
void color_example();
namespace spd = spdlog;
int main(int, char*[])
{
try
{
//Create console, multithreaded logger
auto console = spd::stdout_logger_mt("console");
// Multithreaded color console
auto console = spd::stdout_logger_mt("console", true);
console->info("Welcome to spdlog!");
console->info("An info message example {}..", 1);
console->info() << "Streams are supported too " << 1;
//Formatting examples
// Formatting examples
console->info("Easy padding in numbers like {:08d}", 12);
console->info("Support for int: {0:d}; hex: {0:x}; oct: {0:o}; bin: {0:b}", 42);
console->info("Support for floats {:03.2f}", 1.23456);
@ -69,8 +68,6 @@ int main(int, char*[])
// syslog example. linux/osx only..
syslog_example();
// terminal color example (works under linux/osx. windows: only if ansi.sys is loaded)
color_example();
// Release and close all loggers
spdlog::drop_all();
@ -104,28 +101,6 @@ void syslog_example()
#endif
}
// terminal color example (works under linux/osx. windows: only if ansi.sys is loaded)
#include "spdlog/sinks/ansicolor_sink.h"
void color_example()
{
// Create a sink to add colors to.
auto console_out = spdlog::sinks::stderr_sink_st::instance();
auto color_sink = std::make_shared<spd::sinks::ansicolor_sink>(console_out); // wraps around another sink
auto color_logger = spd::details::registry::instance().create("Color", color_sink);
color_logger->set_level(spd::level::trace);
color_sink->set_color(spd::level::info, color_sink->bold + color_sink->green);
color_logger->info("Testing color logger...");
color_logger->trace("Trace");
color_logger->debug("Debug");
color_logger->info("Info");
color_logger->notice("Notice");
color_logger->warn("Warning");
color_logger->error("Error");
color_logger->critical("Critical");
color_logger->alert("Alert");
color_logger->emerg("Emergency");
}
// Example of user defined class with operator<<
class some_class {};

4
example/logs/.gitignore vendored
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@ -1,4 +0,0 @@
# Ignore everything in this directory
*
# Except this file
!.gitignore

25
include/spdlog/details/spdlog_impl.h
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@ -13,6 +13,7 @@
#include <spdlog/sinks/file_sinks.h>
#include <spdlog/sinks/stdout_sinks.h>
#include <spdlog/sinks/syslog_sink.h>
#include <spdlog/sinks/ansicolor_sink.h>
#include <chrono>
#include <functional>
@ -55,26 +56,32 @@ inline std::shared_ptr<spdlog::logger> spdlog::daily_logger_st(const std::string
return create<spdlog::sinks::daily_file_sink_st>(logger_name, filename, "txt", hour, minute, force_flush);
}
// Create stdout/stderr loggers (with optinal color support)
inline std::shared_ptr<spdlog::logger> create_console_logger(const std::string& logger_name, spdlog::sink_ptr sink, bool color)
{
if (color) //use color wrapper sink
sink = std::make_shared<spdlog::sinks::ansicolor_sink>(sink);
return spdlog::details::registry::instance().create(logger_name, sink);
}
// Create stdout/stderr loggers
inline std::shared_ptr<spdlog::logger> spdlog::stdout_logger_mt(const std::string& logger_name)
inline std::shared_ptr<spdlog::logger> spdlog::stdout_logger_mt(const std::string& logger_name, bool color)
{
return details::registry::instance().create(logger_name, spdlog::sinks::stdout_sink_mt::instance());
return create_console_logger(logger_name, sinks::stdout_sink_mt::instance(), color);
}
inline std::shared_ptr<spdlog::logger> spdlog::stdout_logger_st(const std::string& logger_name)
inline std::shared_ptr<spdlog::logger> spdlog::stdout_logger_st(const std::string& logger_name, bool color)
{
return details::registry::instance().create(logger_name, spdlog::sinks::stdout_sink_st::instance());
return create_console_logger(logger_name, sinks::stdout_sink_st::instance(), color);
}
inline std::shared_ptr<spdlog::logger> spdlog::stderr_logger_mt(const std::string& logger_name)
inline std::shared_ptr<spdlog::logger> spdlog::stderr_logger_mt(const std::string& logger_name, bool color)
{
return details::registry::instance().create(logger_name, spdlog::sinks::stderr_sink_mt::instance());
return create_console_logger(logger_name, sinks::stderr_sink_mt::instance(), color);
}
inline std::shared_ptr<spdlog::logger> spdlog::stderr_logger_st(const std::string& logger_name)
inline std::shared_ptr<spdlog::logger> spdlog::stderr_logger_st(const std::string& logger_name, bool color)
{
return details::registry::instance().create(logger_name, spdlog::sinks::stderr_sink_st::instance());
return create_console_logger(logger_name, sinks::stderr_sink_st::instance(), color);
}
#if defined(__linux__) || defined(__APPLE__)

60
include/spdlog/sinks/ansicolor_sink.h
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@ -1,5 +1,5 @@
//
// Copyright(c) 2016 Kevin M. Godby (modified version by spdlog).
// Copyright(c) 2016 Kevin M. Godby (a modified version by spdlog).
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
//
@ -24,16 +24,15 @@ public:
ansicolor_sink(sink_ptr wrapped_sink);
virtual ~ansicolor_sink();
ansicolor_sink(const ansicolor_sink& other);
ansicolor_sink& operator=(const ansicolor_sink& other);
ansicolor_sink(const ansicolor_sink& other) = delete;
ansicolor_sink& operator=(const ansicolor_sink& other) = delete;
virtual void log(const details::log_msg& msg) override;
virtual void flush() override;
void set_color(level::level_enum level, const std::string& color);
/// \name Formatting codes
//@{
/// Formatting codes
const std::string reset = "\033[00m";
const std::string bold = "\033[1m";
const std::string dark = "\033[2m";
@ -41,10 +40,8 @@ public:
const std::string blink = "\033[5m";
const std::string reverse = "\033[7m";
const std::string concealed = "\033[8m";
//@}
/// \name Foreground colors
//@{
// Foreground colors
const std::string grey = "\033[30m";
const std::string red = "\033[31m";
const std::string green = "\033[32m";
@ -53,10 +50,8 @@ public:
const std::string magenta = "\033[35m";
const std::string cyan = "\033[36m";
const std::string white = "\033[37m";
//@}
/// \name Background colors
//@{
/// Background colors
const std::string on_grey = "\033[40m";
const std::string on_red = "\033[41m";
const std::string on_green = "\033[42m";
@ -65,8 +60,7 @@ public:
const std::string on_magenta = "\033[45m";
const std::string on_cyan = "\033[46m";
const std::string on_white = "\033[47m";
//@}
protected:
sink_ptr sink_;
@ -75,8 +69,8 @@ protected:
inline ansicolor_sink::ansicolor_sink(sink_ptr wrapped_sink) : sink_(wrapped_sink)
{
colors_[level::trace] = white;
colors_[level::debug] = white;
colors_[level::trace] = cyan;
colors_[level::debug] = cyan;
colors_[level::info] = white;
colors_[level::notice] = bold + white;
colors_[level::warn] = bold + yellow;
@ -87,33 +81,12 @@ inline ansicolor_sink::ansicolor_sink(sink_ptr wrapped_sink) : sink_(wrapped_sin
colors_[level::off] = reset;
}
inline ansicolor_sink::~ansicolor_sink()
{
flush();
}
inline ansicolor_sink::ansicolor_sink(const ansicolor_sink& other) : sink_(other.sink_), colors_(other.colors_)
{
// do nothing
}
inline ansicolor_sink& ansicolor_sink::operator=(const ansicolor_sink& other)
{
if (this == &other)
return *this;
sink_ = other.sink_;
colors_ = other.colors_;
return *this;
}
inline void ansicolor_sink::log(const details::log_msg& msg)
{
// Wrap the originally formatted message in color codes
const std::string prefix = colors_[msg.level];
const std::string s = msg.formatted.str();
const std::string suffix = reset;
const std::string& prefix = colors_[msg.level];
const std::string& s = msg.formatted.str();
const std::string& suffix = reset;
details::log_msg m;
m.formatted << prefix << s << suffix;
sink_->log(m);
@ -129,6 +102,11 @@ inline void ansicolor_sink::set_color(level::level_enum level, const std::string
colors_[level] = color;
}
inline ansicolor_sink::~ansicolor_sink()
{
flush();
}
} // namespace sinks
} // namespace spdlog

8
include/spdlog/spdlog.h
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@ -74,10 +74,10 @@ std::shared_ptr<logger> daily_logger_st(const std::string& logger_name, const st
//
// Create and register stdout/stderr loggers
//
std::shared_ptr<logger> stdout_logger_mt(const std::string& logger_name);
std::shared_ptr<logger> stdout_logger_st(const std::string& logger_name);
std::shared_ptr<logger> stderr_logger_mt(const std::string& logger_name);
std::shared_ptr<logger> stderr_logger_st(const std::string& logger_name);
std::shared_ptr<logger> stdout_logger_mt(const std::string& logger_name, bool color = false);
std::shared_ptr<logger> stdout_logger_st(const std::string& logger_name, bool color = false);
std::shared_ptr<logger> stderr_logger_mt(const std::string& logger_name, bool color = false);
std::shared_ptr<logger> stderr_logger_st(const std::string& logger_name, bool color = false);
//

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