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Switched to a custom logging lib instead of that spdlog junk

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This commit is contained in:
AlexandreRouma 2023-02-25 18:12:34 +01:00
parent 7e80bbd02c
commit 7723d15e8f
154 changed files with 723 additions and 19918 deletions
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26
core/backends/android/backend.cpp
View File

@ -47,10 +47,10 @@ namespace backend {
void handleAppCmd(struct android_app* app, int32_t appCmd) {
switch (appCmd) {
case APP_CMD_SAVE_STATE:
spdlog::warn("APP_CMD_SAVE_STATE");
flog::warn("APP_CMD_SAVE_STATE");
break;
case APP_CMD_INIT_WINDOW:
spdlog::warn("APP_CMD_INIT_WINDOW");
flog::warn("APP_CMD_INIT_WINDOW");
if (pauseRendering && !exited) {
doPartialInit();
pauseRendering = false;
@ -58,15 +58,15 @@ namespace backend {
exited = false;
break;
case APP_CMD_TERM_WINDOW:
spdlog::warn("APP_CMD_TERM_WINDOW");
flog::warn("APP_CMD_TERM_WINDOW");
pauseRendering = true;
backend::end();
break;
case APP_CMD_GAINED_FOCUS:
spdlog::warn("APP_CMD_GAINED_FOCUS");
flog::warn("APP_CMD_GAINED_FOCUS");
break;
case APP_CMD_LOST_FOCUS:
spdlog::warn("APP_CMD_LOST_FOCUS");
flog::warn("APP_CMD_LOST_FOCUS");
break;
}
}
@ -77,7 +77,7 @@ namespace backend {
int aquireWindow() {
while (!app->window) {
spdlog::warn("Waiting on the shitty window thing"); std::this_thread::sleep_for(std::chrono::milliseconds(30));
flog::warn("Waiting on the shitty window thing"); std::this_thread::sleep_for(std::chrono::milliseconds(30));
int out_events;
struct android_poll_source* out_data;
@ -96,7 +96,7 @@ namespace backend {
}
int init(std::string resDir) {
spdlog::warn("Backend init");
flog::warn("Backend init");
// Get window
aquireWindow();
@ -174,7 +174,7 @@ namespace backend {
void setMouseScreenPos(double x, double y) {}
int renderLoop() {
spdlog::warn("BRUH: {0}", (void*)backend::app->window);
flog::warn("BRUH: {0}", (void*)backend::app->window);
while (true) {
int out_events;
struct android_poll_source* out_data;
@ -185,7 +185,7 @@ namespace backend {
// Exit the app by returning from within the infinite loop
if (app->destroyRequested != 0) {
spdlog::warn("ASKED TO EXIT");
flog::warn("ASKED TO EXIT");
exited = true;
// Stop SDR
@ -465,7 +465,7 @@ extern "C" {
// Check if this is the first time we run or not
if (backend::initialized) {
spdlog::warn("android_main called again");
flog::warn("android_main called again");
backend::doPartialInit();
backend::pauseRendering = false;
backend::renderLoop();
@ -474,9 +474,9 @@ extern "C" {
backend::initialized = true;
// prepare spdlog
auto console_sink = std::make_shared<spdlog::sinks::android_sink_st>("SDR++");
auto logger = std::shared_ptr<spdlog::logger>(new spdlog::logger("", { console_sink }));
spdlog::set_default_logger(logger);
auto console_sink = std::make_shared<flog::sinks::android_sink_st>("SDR++");
auto logger = std::shared_ptr<flog::logger>(new flog::logger("", { console_sink }));
flog::set_default_logger(logger);
// Grab files dir
std::string appdir = backend::getAppFilesDir();

20
core/backends/glfw/backend.cpp
View File

@ -3,7 +3,7 @@
#include "imgui_impl_glfw.h"
#include "imgui_impl_opengl3.h"
#include <GLFW/glfw3.h>
#include <spdlog/spdlog.h>
#include <utils/flog.h>
#include <utils/opengl_include_code.h>
#include <version.h>
#include <core.h>
@ -50,7 +50,7 @@ namespace backend {
GLFWmonitor* monitor;
static void glfw_error_callback(int error, const char* description) {
spdlog::error("Glfw Error {0}: {1}", error, description);
flog::error("Glfw Error {0}: {1}", error, description);
}
static void maximized_callback(GLFWwindow* window, int n) {
@ -104,10 +104,10 @@ namespace backend {
monitor = glfwGetPrimaryMonitor();
window = glfwCreateWindow(winWidth, winHeight, "SDR++ v" VERSION_STR " (Built at " __TIME__ ", " __DATE__ ")", NULL, NULL);
if (window == NULL) {
spdlog::info("OpenGL {0}.{1} {2}was not supported", OPENGL_VERSIONS_MAJOR[i], OPENGL_VERSIONS_MINOR[i], OPENGL_VERSIONS_IS_ES[i] ? "ES " : "");
flog::info("OpenGL {0}.{1} {2}was not supported", OPENGL_VERSIONS_MAJOR[i], OPENGL_VERSIONS_MINOR[i], OPENGL_VERSIONS_IS_ES[i] ? "ES " : "");
continue;
}
spdlog::info("Using OpenGL {0}.{1}{2}", OPENGL_VERSIONS_MAJOR[i], OPENGL_VERSIONS_MINOR[i], OPENGL_VERSIONS_IS_ES[i] ? " ES" : "");
flog::info("Using OpenGL {0}.{1}{2}", OPENGL_VERSIONS_MAJOR[i], OPENGL_VERSIONS_MINOR[i], OPENGL_VERSIONS_IS_ES[i] ? " ES" : "");
glfwMakeContextCurrent(window);
break;
}
@ -116,7 +116,7 @@ namespace backend {
// Load app icon
if (!std::filesystem::is_regular_file(resDir + "/icons/sdrpp.png")) {
spdlog::error("Icon file '{0}' doesn't exist!", resDir + "/icons/sdrpp.png");
flog::error("Icon file '{0}' doesn't exist!", resDir + "/icons/sdrpp.png");
return 1;
}
@ -176,9 +176,9 @@ namespace backend {
if (!ImGui_ImplOpenGL3_Init(glsl_version)) {
// If init fail, try to fall back on GLSL 1.2
spdlog::warn("Could not init using OpenGL with normal GLSL version, falling back to GLSL 1.2");
flog::warn("Could not init using OpenGL with normal GLSL version, falling back to GLSL 1.2");
if (!ImGui_ImplOpenGL3_Init("#version 120")) {
spdlog::error("Failed to initialize OpenGL with GLSL 1.2");
flog::error("Failed to initialize OpenGL with GLSL 1.2");
return -1;
}
}
@ -186,7 +186,7 @@ namespace backend {
// Set window size and fullscreen state
glfwGetWindowSize(window, &_winWidth, &_winHeight);
if (fullScreen) {
spdlog::info("Fullscreen: ON");
flog::info("Fullscreen: ON");
fsWidth = _winWidth;
fsHeight = _winHeight;
glfwGetWindowPos(window, &fsPosX, &fsPosY);
@ -251,7 +251,7 @@ namespace backend {
if (ImGui::IsKeyPressed(GLFW_KEY_F11)) {
fullScreen = !fullScreen;
if (fullScreen) {
spdlog::info("Fullscreen: ON");
flog::info("Fullscreen: ON");
fsWidth = _winWidth;
fsHeight = _winHeight;
glfwGetWindowPos(window, &fsPosX, &fsPosY);
@ -262,7 +262,7 @@ namespace backend {
core::configManager.release();
}
else {
spdlog::info("Fullscreen: OFF");
flog::info("Fullscreen: OFF");
glfwSetWindowMonitor(window, nullptr, fsPosX, fsPosY, fsWidth, fsHeight, 0);
core::configManager.acquire();
core::configManager.conf["fullscreen"] = false;

12
core/src/config.cpp
View File

@ -1,5 +1,5 @@
#include <config.h>
#include <spdlog/spdlog.h>
#include <utils/flog.h>
#include <fstream>
#include <filesystem>
@ -18,16 +18,16 @@ void ConfigManager::setPath(std::string file) {
void ConfigManager::load(json def, bool lock) {
if (lock) { mtx.lock(); }
if (path == "") {
spdlog::error("Config manager tried to load file with no path specified");
flog::error("Config manager tried to load file with no path specified");
return;
}
if (!std::filesystem::exists(path)) {
spdlog::warn("Config file '{0}' does not exist, creating it", path);
flog::warn("Config file '{0}' does not exist, creating it", path);
conf = def;
save(false);
}
if (!std::filesystem::is_regular_file(path)) {
spdlog::error("Config file '{0}' isn't a file", path);
flog::error("Config file '{0}' isn't a file", path);
return;
}
@ -37,7 +37,7 @@ void ConfigManager::load(json def, bool lock) {
file.close();
}
catch (std::exception e) {
spdlog::error("Config file '{0}' is corrupted, resetting it", path);
flog::error("Config file '{0}' is corrupted, resetting it", path);
conf = def;
save(false);
}
@ -82,7 +82,7 @@ void ConfigManager::release(bool modified) {
void ConfigManager::autoSaveWorker() {
while (autoSaveEnabled) {
if (!mtx.try_lock()) {
spdlog::warn("ConfigManager locked, waiting...");
flog::warn("ConfigManager locked, waiting...");
std::this_thread::sleep_for(std::chrono::milliseconds(1000));
continue;
}

30
core/src/core.cpp
View File

@ -6,7 +6,7 @@
#include <gui/gui.h>
#include <gui/icons.h>
#include <version.h>
#include <spdlog/spdlog.h>
#include <utils/flog.h>
#include <gui/widgets/bandplan.h>
#include <stb_image.h>
#include <config.h>
@ -53,13 +53,13 @@ namespace core {
gui::mainWindow.setViewBandwidthSlider(1.0);
// Debug logs
spdlog::info("New DSP samplerate: {0} (source samplerate is {1})", effectiveSr, samplerate);
flog::info("New DSP samplerate: {0} (source samplerate is {1})", effectiveSr, samplerate);
}
};
// main
int sdrpp_main(int argc, char* argv[]) {
spdlog::info("SDR++ v" VERSION_STR);
flog::info("SDR++ v" VERSION_STR);
#ifdef IS_MACOS_BUNDLE
// If this is a MacOS .app, CD to the correct directory
@ -90,16 +90,16 @@ int sdrpp_main(int argc, char* argv[]) {
// Check root directory
std::string root = (std::string)core::args["root"];
if (!std::filesystem::exists(root)) {
spdlog::warn("Root directory {0} does not exist, creating it", root);
flog::warn("Root directory {0} does not exist, creating it", root);
if (!std::filesystem::create_directories(root)) {
spdlog::error("Could not create root directory {0}", root);
flog::error("Could not create root directory {0}", root);
return -1;
}
}
// Check that the path actually is a directory
if (!std::filesystem::is_directory(root)) {
spdlog::error("{0} is not a directory", root);
flog::error("{0} is not a directory", root);
return -1;
}
@ -257,7 +257,7 @@ int sdrpp_main(int argc, char* argv[]) {
#endif
// Load config
spdlog::info("Loading config");
flog::info("Loading config");
core::configManager.setPath(root + "/config.json");
core::configManager.load(defConfig);
core::configManager.enableAutoSave();
@ -295,7 +295,7 @@ int sdrpp_main(int argc, char* argv[]) {
// Fix missing elements in config
for (auto const& item : defConfig.items()) {
if (!core::configManager.conf.contains(item.key())) {
spdlog::info("Missing key in config {0}, repairing", item.key());
flog::info("Missing key in config {0}, repairing", item.key());
core::configManager.conf[item.key()] = defConfig[item.key()];
}
}
@ -304,7 +304,7 @@ int sdrpp_main(int argc, char* argv[]) {
auto items = core::configManager.conf.items();
for (auto const& item : items) {
if (!defConfig.contains(item.key())) {
spdlog::info("Unused key in config {0}, repairing", item.key());
flog::info("Unused key in config {0}, repairing", item.key());
core::configManager.conf.erase(item.key());
}
}
@ -334,7 +334,7 @@ int sdrpp_main(int argc, char* argv[]) {
// Assert that the resource directory is absolute and check existence
resDir = std::filesystem::absolute(resDir).string();
if (!std::filesystem::is_directory(resDir)) {
spdlog::error("Resource directory doesn't exist! Please make sure that you've configured it correctly in config.json (check readme for details)");
flog::error("Resource directory doesn't exist! Please make sure that you've configured it correctly in config.json (check readme for details)");
return 1;
}
@ -350,20 +350,20 @@ int sdrpp_main(int argc, char* argv[]) {
LoadingScreen::init();
LoadingScreen::show("Loading icons");
spdlog::info("Loading icons");
flog::info("Loading icons");
if (!icons::load(resDir)) { return -1; }
LoadingScreen::show("Loading band plans");
spdlog::info("Loading band plans");
flog::info("Loading band plans");
bandplan::loadFromDir(resDir + "/bandplans");
LoadingScreen::show("Loading band plan colors");
spdlog::info("Loading band plans color table");
flog::info("Loading band plans color table");
bandplan::loadColorTable(bandColors);
gui::mainWindow.init();
spdlog::info("Ready.");
flog::info("Ready.");
// Run render loop (TODO: CHECK RETURN VALUE)
backend::renderLoop();
@ -384,6 +384,6 @@ int sdrpp_main(int argc, char* argv[]) {
core::configManager.save();
#endif
spdlog::info("Exiting successfully");
flog::info("Exiting successfully");
return 0;
}

1
core/src/credits.cpp
View File

@ -31,7 +31,6 @@ namespace sdrpp_credits {
"fftw3 (fftw.org)",
"glfw (Camilla Löwy)",
"json (nlohmann)",
"spdlog (gabime)",
"Portable File Dialogs"
};

2
core/src/dsp/buffer/frame_buffer.h
View File

@ -69,7 +69,7 @@ namespace dsp::buffer {
writeCur = ((writeCur) % TEST_BUFFER_SIZE);
// if (((writeCur - readCur + TEST_BUFFER_SIZE) % TEST_BUFFER_SIZE) >= (TEST_BUFFER_SIZE-2)) {
// spdlog::warn("Overflow");
// flog::warn("Overflow");
// }
}
cnd.notify_all();

2
core/src/dsp/multirate/rrc_interpolator.h
View File

@ -83,7 +83,7 @@ namespace dsp::multirate {
int interp = OutSR / gcd;
int decim = InSR / gcd;
spdlog::warn("interp: {0}, decim: {1}", interp, decim);
flog::warn("interp: {0}, decim: {1}", interp, decim);
// Configure resampler
double tapSamplerate = _symbolrate * (double)interp;

6
core/src/gui/colormaps.cpp
View File

@ -1,6 +1,6 @@
#include <gui/colormaps.h>
#include <filesystem>
#include <spdlog/spdlog.h>
#include <utils/flog.h>
#include <fstream>
#include <json.hpp>
@ -11,7 +11,7 @@ namespace colormaps {
void loadMap(std::string path) {
if (!std::filesystem::is_regular_file(path)) {
spdlog::error("Could not load {0}, file doesn't exist", path);
flog::error("Could not load {0}, file doesn't exist", path);
return;
}
@ -29,7 +29,7 @@ namespace colormaps {
mapTxt = data["map"].get<std::vector<std::string>>();
}
catch (const std::exception&) {
spdlog::error("Could not load {0}", path);
flog::error("Could not load {0}", path);
return;
}

4
core/src/gui/icons.cpp
View File

@ -5,7 +5,7 @@
#define STB_IMAGE_IMPLEMENTATION
#include <imgui/stb_image.h>
#include <filesystem>
#include <spdlog/spdlog.h>
#include <utils/flog.h>
namespace icons {
ImTextureID LOGO;
@ -33,7 +33,7 @@ namespace icons {
bool load(std::string resDir) {
if (!std::filesystem::is_directory(resDir)) {
spdlog::error("Invalid resource directory: {0}", resDir);
flog::error("Invalid resource directory: {0}", resDir);
return false;
}

26
core/src/gui/main_window.cpp
View File

@ -49,19 +49,19 @@ void MainWindow::init() {
gui::menu.order.clear();
for (auto& elem : menuElements) {
if (!elem.contains("name")) {
spdlog::error("Menu element is missing name key");
flog::error("Menu element is missing name key");
continue;
}
if (!elem["name"].is_string()) {
spdlog::error("Menu element name isn't a string");
flog::error("Menu element name isn't a string");
continue;
}
if (!elem.contains("open")) {
spdlog::error("Menu element is missing open key");
flog::error("Menu element is missing open key");
continue;
}
if (!elem["open"].is_boolean()) {
spdlog::error("Menu element name isn't a string");
flog::error("Menu element name isn't a string");
continue;
}
Menu::MenuOption_t opt;
@ -95,7 +95,7 @@ void MainWindow::init() {
vfoCreatedHandler.ctx = this;
sigpath::vfoManager.onVfoCreated.bindHandler(&vfoCreatedHandler);
spdlog::info("Loading modules");
flog::info("Loading modules");
// Load modules from /module directory
if (std::filesystem::is_directory(modulesDir)) {
@ -105,13 +105,13 @@ void MainWindow::init() {
continue;
}
if (!file.is_regular_file()) { continue; }
spdlog::info("Loading {0}", path);
flog::info("Loading {0}", path);
LoadingScreen::show("Loading " + file.path().filename().string());
core::moduleManager.loadModule(path);
}
}
else {
spdlog::warn("Module directory {0} does not exist, not loading modules from directory", modulesDir);
flog::warn("Module directory {0} does not exist, not loading modules from directory", modulesDir);
}
// Read module config
@ -124,7 +124,7 @@ void MainWindow::init() {
for (auto const& path : modules) {
#ifndef __ANDROID__
std::string apath = std::filesystem::absolute(path).string();
spdlog::info("Loading {0}", apath);
flog::info("Loading {0}", apath);
LoadingScreen::show("Loading " + std::filesystem::path(path).filename().string());
core::moduleManager.loadModule(apath);
#else
@ -136,7 +136,7 @@ void MainWindow::init() {
for (auto const& [name, _module] : modList) {
std::string mod = _module["module"];
bool enabled = _module["enabled"];
spdlog::info("Initializing {0} ({1})", name, mod);
flog::info("Initializing {0} ({1})", name, mod);
LoadingScreen::show("Initializing " + name + " (" + mod + ")");
core::moduleManager.createInstance(name, mod);
if (!enabled) { core::moduleManager.disableInstance(name); }
@ -144,12 +144,12 @@ void MainWindow::init() {
// Load color maps
LoadingScreen::show("Loading color maps");
spdlog::info("Loading color maps");
flog::info("Loading color maps");
if (std::filesystem::is_directory(resourcesDir + "/colormaps")) {
for (const auto& file : std::filesystem::directory_iterator(resourcesDir + "/colormaps")) {
std::string path = file.path().generic_string();
LoadingScreen::show("Loading " + file.path().filename().string());
spdlog::info("Loading {0}", path);
flog::info("Loading {0}", path);
if (file.path().extension().generic_string() != ".json") {
continue;
}
@ -158,7 +158,7 @@ void MainWindow::init() {
}
}
else {
spdlog::warn("Color map directory {0} does not exist, not loading modules from directory", modulesDir);
flog::warn("Color map directory {0} does not exist, not loading modules from directory", modulesDir);
}
gui::waterfall.updatePalletteFromArray(colormaps::maps["Turbo"].map, colormaps::maps["Turbo"].entryCount);
@ -510,7 +510,7 @@ void MainWindow::draw() {
// ImGui::Text("Buffering: %d", (sigpath::iqFrontEnd.inputBuffer.writeCur - sigpath::iqFrontEnd.inputBuffer.readCur + 32) % 32);
if (ImGui::Button("Test Bug")) {
spdlog::error("Will this make the software crash?");
flog::error("Will this make the software crash?");
}
if (ImGui::Button("Testing something")) {

4
core/src/gui/smgui.cpp
View File

@ -195,7 +195,7 @@ namespace SmGui {
i++;
}
else {
spdlog::error("Invalid widget in Drawlist");
flog::error("Invalid widget in Drawlist");
}
if (elem.step != DRAW_STEP_FILL_WIDTH) { nextItemFillWidth = false; }
@ -293,7 +293,7 @@ namespace SmGui {
// Validate and clear if invalid
if (!validate()) {
spdlog::error("Drawlist validation failed");
flog::error("Drawlist validation failed");
//elements.clear();
return -1;
}

4
core/src/gui/style.cpp
View File

@ -2,7 +2,7 @@
#include <imgui.h>
#include <imgui_internal.h>
#include <config.h>
#include <spdlog/spdlog.h>
#include <utils/flog.h>
#include <filesystem>
namespace style {
@ -22,7 +22,7 @@ namespace style {
bool loadFonts(std::string resDir) {
ImFontAtlas* fonts = ImGui::GetIO().Fonts;
if (!std::filesystem::is_directory(resDir)) {
spdlog::error("Invalid resource directory: {0}", resDir);
flog::error("Invalid resource directory: {0}", resDir);
return false;
}

22
core/src/gui/theme_manager.cpp
View File

@ -1,7 +1,7 @@
#include <json.hpp>
#include <gui/theme_manager.h>
#include <imgui_internal.h>
#include <spdlog/spdlog.h>
#include <utils/flog.h>
#include <filesystem>
#include <fstream>
@ -23,7 +23,7 @@ bool ThemeManager::loadThemesFromDir(std::string path) {
if (!std::filesystem::is_directory(path)) {
spdlog::error("Theme directory doesn't exist: {0}", path);
flog::error("Theme directory doesn't exist: {0}", path);
return false;
}
themes.clear();
@ -39,7 +39,7 @@ bool ThemeManager::loadThemesFromDir(std::string path) {
bool ThemeManager::loadTheme(std::string path) {
if (!std::filesystem::is_regular_file(path)) {
spdlog::error("Theme file doesn't exist: {0}", path);
flog::error("Theme file doesn't exist: {0}", path);
return false;
}
@ -55,24 +55,24 @@ bool ThemeManager::loadTheme(std::string path) {
// Load theme name
if (!data.contains("name")) {
spdlog::error("Theme {0} is missing the name parameter", path);
flog::error("Theme {0} is missing the name parameter", path);
return false;
}
if (!data["name"].is_string()) {
spdlog::error("Theme {0} contains invalid name field. Expected string", path);
flog::error("Theme {0} contains invalid name field. Expected string", path);
return false;
}
std::string name = data["name"];
if (themes.find(name) != themes.end()) {
spdlog::error("A theme named '{0}' already exists", name);
flog::error("A theme named '{0}' already exists", name);
return false;
}
// Load theme author if available
if (data.contains("author")) {
if (!data["author"].is_string()) {
spdlog::error("Theme {0} contains invalid author field. Expected string", path);
flog::error("Theme {0} contains invalid author field. Expected string", path);
return false;
}
thm.author = data["author"];
@ -86,7 +86,7 @@ bool ThemeManager::loadTheme(std::string path) {
// Exception for non-imgu colors
if (param == "WaterfallBackground" || param == "ClearColor" || param == "FFTHoldColor") {
if (val[0] != '#' || !std::all_of(val.begin() + 1, val.end(), ::isxdigit) || val.length() != 9) {
spdlog::error("Theme {0} contains invalid {1} field. Expected hex RGBA color", path, param);
flog::error("Theme {0} contains invalid {1} field. Expected hex RGBA color", path, param);
return false;
}
continue;
@ -97,14 +97,14 @@ bool ThemeManager::loadTheme(std::string path) {
// If param is a color, check that it's a valid RGBA hex value
if (IMGUI_COL_IDS.find(param) != IMGUI_COL_IDS.end()) {
if (val[0] != '#' || !std::all_of(val.begin() + 1, val.end(), ::isxdigit) || val.length() != 9) {
spdlog::error("Theme {0} contains invalid {1} field. Expected hex RGBA color", path, param);
flog::error("Theme {0} contains invalid {1} field. Expected hex RGBA color", path, param);
return false;
}
isValid = true;
}
if (!isValid) {
spdlog::error("Theme {0} contains unknown {1} field.", path, param);
flog::error("Theme {0} contains unknown {1} field.", path, param);
return false;
}
}
@ -117,7 +117,7 @@ bool ThemeManager::loadTheme(std::string path) {
bool ThemeManager::applyTheme(std::string name) {
if (themes.find(name) == themes.end()) {
spdlog::error("Unknown theme: {0}", name);
flog::error("Unknown theme: {0}", name);
return false;
}

10
core/src/gui/widgets/bandplan.cpp
View File

@ -1,6 +1,6 @@
#include <gui/widgets/bandplan.h>
#include <fstream>
#include <spdlog/spdlog.h>
#include <utils/flog.h>
#include <filesystem>
#include <sstream>
#include <iomanip>
@ -56,7 +56,7 @@ namespace bandplan {
}
void to_json(json& j, const BandPlanColor_t& ct) {
spdlog::error("ImGui color to JSON not implemented!!!");
flog::error("ImGui color to JSON not implemented!!!");
}
void from_json(const json& j, BandPlanColor_t& ct) {
@ -81,7 +81,7 @@ namespace bandplan {
BandPlan_t plan = data.get<BandPlan_t>();
if (bandplans.find(plan.name) != bandplans.end()) {
spdlog::error("Duplicate band plan name ({0}), not loading.", plan.name);
flog::error("Duplicate band plan name ({0}), not loading.", plan.name);
return;
}
bandplans[plan.name] = plan;
@ -91,11 +91,11 @@ namespace bandplan {
void loadFromDir(std::string path) {
if (!std::filesystem::exists(path)) {
spdlog::error("Band Plan directory does not exist");
flog::error("Band Plan directory does not exist");
return;
}
if (!std::filesystem::is_directory(path)) {
spdlog::error("Band Plan directory isn't a directory...");
flog::error("Band Plan directory isn't a directory...");
return;
}
bandplans.clear();

4
core/src/gui/widgets/waterfall.cpp
View File

@ -4,7 +4,7 @@
#include <imutils.h>
#include <algorithm>
#include <volk/volk.h>
#include <spdlog/spdlog.h>
#include <utils/flog.h>
#include <gui/gui.h>
#include <gui/style.h>
@ -1292,7 +1292,7 @@ namespace ImGui {
void WaterFall::showWaterfall() {
buf_mtx.lock();
if (rawFFTs == NULL) {
spdlog::error("Null rawFFT");
flog::error("Null rawFFT");
}
waterfallVisible = true;
onResize();

46
core/src/module.cpp
View File

@ -1,6 +1,6 @@
#include <module.h>
#include <filesystem>
#include <spdlog/spdlog.h>
#include <utils/flog.h>
ModuleManager::Module_t ModuleManager::loadModule(std::string path) {
Module_t mod;
@ -8,12 +8,12 @@ ModuleManager::Module_t ModuleManager::loadModule(std::string path) {
// On android, the path has to be relative, don't make it absolute
#ifndef __ANDROID__
if (!std::filesystem::exists(path)) {
spdlog::error("{0} does not exist", path);
flog::error("{0} does not exist", path);
mod.handle = NULL;
return mod;
}
if (!std::filesystem::is_regular_file(path)) {
spdlog::error("{0} isn't a loadable module", path);
flog::error("{0} isn't a loadable module", path);
mod.handle = NULL;
return mod;
}
@ -21,7 +21,7 @@ ModuleManager::Module_t ModuleManager::loadModule(std::string path) {
#ifdef _WIN32
mod.handle = LoadLibraryA(path.c_str());
if (mod.handle == NULL) {
spdlog::error("Couldn't load {0}. Error code: {1}", path, GetLastError());
flog::error("Couldn't load {0}. Error code: {1}", path, (int)GetLastError());
mod.handle = NULL;
return mod;
}
@ -33,7 +33,7 @@ ModuleManager::Module_t ModuleManager::loadModule(std::string path) {
#else
mod.handle = dlopen(path.c_str(), RTLD_LAZY | RTLD_LOCAL);
if (mod.handle == NULL) {
spdlog::error("Couldn't load {0}.", path);
flog::error("Couldn't load {0}.", path);
mod.handle = NULL;
return mod;
}
@ -44,32 +44,32 @@ ModuleManager::Module_t ModuleManager::loadModule(std::string path) {
mod.end = (void (*)())dlsym(mod.handle, "_END_");
#endif
if (mod.info == NULL) {
spdlog::error("{0} is missing _INFO_ symbol", path);
flog::error("{0} is missing _INFO_ symbol", path);
mod.handle = NULL;
return mod;
}
if (mod.init == NULL) {
spdlog::error("{0} is missing _INIT_ symbol", path);
flog::error("{0} is missing _INIT_ symbol", path);
mod.handle = NULL;
return mod;
}
if (mod.createInstance == NULL) {
spdlog::error("{0} is missing _CREATE_INSTANCE_ symbol", path);
flog::error("{0} is missing _CREATE_INSTANCE_ symbol", path);
mod.handle = NULL;
return mod;
}
if (mod.deleteInstance == NULL) {
spdlog::error("{0} is missing _DELETE_INSTANCE_ symbol", path);
flog::error("{0} is missing _DELETE_INSTANCE_ symbol", path);
mod.handle = NULL;
return mod;
}
if (mod.end == NULL) {
spdlog::error("{0} is missing _END_ symbol", path);
flog::error("{0} is missing _END_ symbol", path);
mod.handle = NULL;
return mod;
}
if (modules.find(mod.info->name) != modules.end()) {
spdlog::error("{0} has the same name as an already loaded module", path);
flog::error("{0} has the same name as an already loaded module", path);
mod.handle = NULL;
return mod;
}
@ -85,16 +85,16 @@ ModuleManager::Module_t ModuleManager::loadModule(std::string path) {
int ModuleManager::createInstance(std::string name, std::string module) {
if (modules.find(module) == modules.end()) {
spdlog::error("Module '{0}' doesn't exist", module);
flog::error("Module '{0}' doesn't exist", module);
return -1;
}
if (instances.find(name) != instances.end()) {
spdlog::error("A module instance with the name '{0}' already exists", name);
flog::error("A module instance with the name '{0}' already exists", name);
return -1;
}
int maxCount = modules[module].info->maxInstances;
if (countModuleInstances(module) >= maxCount && maxCount > 0) {
spdlog::error("Maximum number of instances reached for '{0}'", module);
flog::error("Maximum number of instances reached for '{0}'", module);
return -1;
}
Instance_t inst;
@ -107,7 +107,7 @@ int ModuleManager::createInstance(std::string name, std::string module) {
int ModuleManager::deleteInstance(std::string name) {
if (instances.find(name) == instances.end()) {
spdlog::error("Tried to remove non-existent instance '{0}'", name);
flog::error("Tried to remove non-existent instance '{0}'", name);
return -1;
}
onInstanceDelete.emit(name);
@ -119,13 +119,13 @@ int ModuleManager::deleteInstance(std::string name) {
}
int ModuleManager::deleteInstance(ModuleManager::Instance* instance) {
spdlog::error("Delete instance not implemented");
flog::error("Delete instance not implemented");
return -1;
}
int ModuleManager::enableInstance(std::string name) {
if (instances.find(name) == instances.end()) {
spdlog::error("Cannot enable '{0}', instance doesn't exist", name);
flog::error("Cannot enable '{0}', instance doesn't exist", name);
return -1;
}
instances[name].instance->enable();
@ -134,7 +134,7 @@ int ModuleManager::enableInstance(std::string name) {
int ModuleManager::disableInstance(std::string name) {
if (instances.find(name) == instances.end()) {
spdlog::error("Cannot disable '{0}', instance doesn't exist", name);
flog::error("Cannot disable '{0}', instance doesn't exist", name);
return -1;
}
instances[name].instance->disable();
@ -143,7 +143,7 @@ int ModuleManager::disableInstance(std::string name) {
bool ModuleManager::instanceEnabled(std::string name) {
if (instances.find(name) == instances.end()) {
spdlog::error("Cannot check if '{0}' is enabled, instance doesn't exist", name);
flog::error("Cannot check if '{0}' is enabled, instance doesn't exist", name);
return false;
}
return instances[name].instance->isEnabled();
@ -151,7 +151,7 @@ bool ModuleManager::instanceEnabled(std::string name) {
void ModuleManager::postInit(std::string name) {
if (instances.find(name) == instances.end()) {
spdlog::error("Cannot post-init '{0}', instance doesn't exist", name);
flog::error("Cannot post-init '{0}', instance doesn't exist", name);
return;
}
instances[name].instance->postInit();
@ -159,7 +159,7 @@ void ModuleManager::postInit(std::string name) {
std::string ModuleManager::getInstanceModuleName(std::string name) {
if (instances.find(name) == instances.end()) {
spdlog::error("Cannot get module name of'{0}', instance doesn't exist", name);
flog::error("Cannot get module name of'{0}', instance doesn't exist", name);
return "";
}
return std::string(instances[name].module.info->name);
@ -167,7 +167,7 @@ std::string ModuleManager::getInstanceModuleName(std::string name) {
int ModuleManager::countModuleInstances(std::string module) {
if (modules.find(module) == modules.end()) {
spdlog::error("Cannot count instances of '{0}', Module doesn't exist", module);
flog::error("Cannot count instances of '{0}', Module doesn't exist", module);
return -1;
}
ModuleManager::Module_t mod = modules[module];
@ -180,7 +180,7 @@ int ModuleManager::countModuleInstances(std::string module) {
void ModuleManager::doPostInitAll() {
for (auto& [name, inst] : instances) {
spdlog::info("Running post-init for {0}", name);
flog::info("Running post-init for {0}", name);
inst.instance->postInit();
}
}

8
core/src/module_com.cpp
View File

@ -3,7 +3,7 @@
bool ModuleComManager::registerInterface(std::string moduleName, std::string name, void (*handler)(int code, void* in, void* out, void* ctx), void* ctx) {
std::lock_guard<std::mutex> lck(mtx);
if (interfaces.find(name) != interfaces.end()) {
spdlog::error("Tried creating module interface with an existing name: {0}", name);
flog::error("Tried creating module interface with an existing name: {0}", name);
return false;
}
ModuleComInterface iface;
@ -17,7 +17,7 @@ bool ModuleComManager::registerInterface(std::string moduleName, std::string nam
bool ModuleComManager::unregisterInterface(std::string name) {
std::lock_guard<std::mutex> lck(mtx);
if (interfaces.find(name) == interfaces.end()) {
spdlog::error("Tried to erase module interface with unknown name: {0}", name);
flog::error("Tried to erase module interface with unknown name: {0}", name);
return false;
}
interfaces.erase(name);
@ -33,7 +33,7 @@ bool ModuleComManager::interfaceExists(std::string name) {
std::string ModuleComManager::getModuleName(std::string name) {
std::lock_guard<std::mutex> lck(mtx);
if (interfaces.find(name) == interfaces.end()) {
spdlog::error("Tried to call unknown module interface: {0}", name);
flog::error("Tried to call unknown module interface: {0}", name);
return "";
}
return interfaces[name].moduleName;
@ -42,7 +42,7 @@ std::string ModuleComManager::getModuleName(std::string name) {
bool ModuleComManager::callInterface(std::string name, int code, void* in, void* out) {
std::lock_guard<std::mutex> lck(mtx);
if (interfaces.find(name) == interfaces.end()) {
spdlog::error("Tried to call unknown module interface: {0}", name);
flog::error("Tried to call unknown module interface: {0}", name);
return false;
}
ModuleComInterface iface = interfaces[name];

2
core/src/module_com.h
View File

@ -2,7 +2,7 @@
#include <map>
#include <string>
#include <mutex>
#include <spdlog/spdlog.h>
#include <utils/flog.h>
struct ModuleComInterface {
std::string moduleName;

22
core/src/server.cpp
View File

@ -1,6 +1,6 @@
#include "server.h"
#include "core.h"
#include <spdlog/spdlog.h>
#include <utils/flog.h>
#include <version.h>
#include <config.h>
#include <filesystem>
@ -47,7 +47,7 @@ namespace server {
double sampleRate = 1000000.0;
int main() {
spdlog::info("=====| SERVER MODE |=====");
flog::info("=====| SERVER MODE |=====");
// Init DSP
comp.init(&dummyInput, dsp::compression::PCM_TYPE_I8);
@ -87,7 +87,7 @@ namespace server {
// Initialize SmGui in server mode
SmGui::init(true);
spdlog::info("Loading modules");
flog::info("Loading modules");
// Load modules and check type to only load sources ( TODO: Have a proper type parameter int the info )
// TODO LATER: Add whitelist/blacklist stuff
if (std::filesystem::is_directory(modulesDir)) {
@ -100,12 +100,12 @@ namespace server {
if (!file.is_regular_file()) { continue; }
if (fn.find("source") == std::string::npos) { continue; }
spdlog::info("Loading {0}", path);
flog::info("Loading {0}", path);
core::moduleManager.loadModule(path);
}
}
else {
spdlog::warn("Module directory {0} does not exist, not loading modules from directory", modulesDir);
flog::warn("Module directory {0} does not exist, not loading modules from directory", modulesDir);
}
// Load additional modules through the config ( TODO: Have a proper type parameter int the info )
@ -120,7 +120,7 @@ namespace server {
if (!std::filesystem::is_regular_file(file)) { continue; }
if (fn.find("source") == std::string::npos) { continue; }
spdlog::info("Loading {0}", path);
flog::info("Loading {0}", path);
core::moduleManager.loadModule(path);
}
@ -129,7 +129,7 @@ namespace server {
std::string mod = _module["module"];
bool enabled = _module["enabled"];
if (core::moduleManager.modules.find(mod) == core::moduleManager.modules.end()) { continue; }
spdlog::info("Initializing {0} ({1})", name, mod);
flog::info("Initializing {0} ({1})", name, mod);
core::moduleManager.createInstance(name, mod);
if (!enabled) { core::moduleManager.disableInstance(name); }
}
@ -154,7 +154,7 @@ namespace server {
listener = net::listen(host, port);
listener->acceptAsync(_clientHandler, NULL);
spdlog::info("Ready, listening on {0}:{1}", host, port);
flog::info("Ready, listening on {0}:{1}", host, port);
while(1) { std::this_thread::sleep_for(std::chrono::milliseconds(100)); }
return 0;
@ -163,7 +163,7 @@ namespace server {
void _clientHandler(net::Conn conn, void* ctx) {
// Reject if someone else is already connected
if (client && client->isOpen()) {
spdlog::info("REJECTED Connection from {0}:{1}, another client is already connected.", "TODO", "TODO");
flog::info("REJECTED Connection from {0}:{1}, another client is already connected.", "TODO", "TODO");
// Issue a disconnect command to the client
uint8_t buf[sizeof(PacketHeader) + sizeof(CommandHeader)];
@ -184,7 +184,7 @@ namespace server {
return;
}
spdlog::info("Connection from {0}:{1}", "TODO", "TODO");
flog::info("Connection from {0}:{1}", "TODO", "TODO");
client = std::move(conn);
client->readAsync(sizeof(PacketHeader), rbuf, _packetHandler, NULL);
@ -299,7 +299,7 @@ namespace server {
compression = *(uint8_t*)data;
}
else {
spdlog::error("Invalid Command: {0} (len = {1})", cmd, len);
flog::error("Invalid Command: {0} (len = {1})", (int)cmd, len);
sendError(ERROR_INVALID_COMMAND);
}
}

6
core/src/signal_path/iq_frontend.cpp
View File

@ -1,7 +1,7 @@
#include "iq_frontend.h"
#include "../dsp/window/blackman.h"
#include "../dsp/window/nuttall.h"
#include <spdlog/spdlog.h>
#include <utils/flog.h>
#include <gui/gui.h>
#include <core.h>
@ -140,7 +140,7 @@ void IQFrontEnd::unbindIQStream(dsp::stream<dsp::complex_t>* stream) {
dsp::channel::RxVFO* IQFrontEnd::addVFO(std::string name, double sampleRate, double bandwidth, double offset) {
// Make sure no other VFO with that name already exists
if (vfos.find(name) != vfos.end()) {
spdlog::error("[IQFrontEnd] Tried to add VFO with existing name.");
flog::error("[IQFrontEnd] Tried to add VFO with existing name.");
return NULL;
}
@ -162,7 +162,7 @@ dsp::channel::RxVFO* IQFrontEnd::addVFO(std::string name, double sampleRate, dou
void IQFrontEnd::removeVFO(std::string name) {
// Make sure that a VFO with that name exists
if (vfos.find(name) == vfos.end()) {
spdlog::error("[IQFrontEnd] Tried to remove a VFO that doesn't exist.");
flog::error("[IQFrontEnd] Tried to remove a VFO that doesn't exist.");
return;
}

24
core/src/signal_path/sink.cpp
View File

@ -1,5 +1,5 @@
#include <signal_path/sink.h>
#include <spdlog/spdlog.h>
#include <utils/flog.h>
#include <imgui/imgui.h>
#include <gui/style.h>
#include <gui/icons.h>
@ -87,7 +87,7 @@ void SinkManager::Stream::setSampleRate(float sampleRate) {
void SinkManager::registerSinkProvider(std::string name, SinkProvider provider) {
if (providers.find(name) != providers.end()) {
spdlog::error("Cannot register sink provider '{0}', this name is already taken", name);
flog::error("Cannot register sink provider '{0}', this name is already taken", name);
return;
}
@ -108,7 +108,7 @@ void SinkManager::registerSinkProvider(std::string name, SinkProvider provider)
void SinkManager::unregisterSinkProvider(std::string name) {
if (providers.find(name) == providers.end()) {
spdlog::error("Cannot unregister sink provider '{0}', no such provider exists.", name);
flog::error("Cannot unregister sink provider '{0}', no such provider exists.", name);
return;
}
@ -137,7 +137,7 @@ void SinkManager::unregisterSinkProvider(std::string name) {
void SinkManager::registerStream(std::string name, SinkManager::Stream* stream) {
if (streams.find(name) != streams.end()) {
spdlog::error("Cannot register stream '{0}', this name is already taken", name);
flog::error("Cannot register stream '{0}', this name is already taken", name);
return;
}
@ -163,7 +163,7 @@ void SinkManager::registerStream(std::string name, SinkManager::Stream* stream)
void SinkManager::unregisterStream(std::string name) {
if (streams.find(name) == streams.end()) {
spdlog::error("Cannot unregister stream '{0}', this stream doesn't exist", name);
flog::error("Cannot unregister stream '{0}', this stream doesn't exist", name);
return;
}
onStreamUnregister.emit(name);
@ -177,7 +177,7 @@ void SinkManager::unregisterStream(std::string name) {
void SinkManager::startStream(std::string name) {
if (streams.find(name) == streams.end()) {
spdlog::error("Cannot start stream '{0}', this stream doesn't exist", name);
flog::error("Cannot start stream '{0}', this stream doesn't exist", name);
return;
}
streams[name]->start();
@ -185,7 +185,7 @@ void SinkManager::startStream(std::string name) {
void SinkManager::stopStream(std::string name) {
if (streams.find(name) == streams.end()) {
spdlog::error("Cannot stop stream '{0}', this stream doesn't exist", name);
flog::error("Cannot stop stream '{0}', this stream doesn't exist", name);
return;
}
streams[name]->stop();
@ -193,7 +193,7 @@ void SinkManager::stopStream(std::string name) {
float SinkManager::getStreamSampleRate(std::string name) {
if (streams.find(name) == streams.end()) {
spdlog::error("Cannot get sample rate of stream '{0}', this stream doesn't exist", name);
flog::error("Cannot get sample rate of stream '{0}', this stream doesn't exist", name);
return -1.0f;
}
return streams[name]->getSampleRate();
@ -201,7 +201,7 @@ float SinkManager::getStreamSampleRate(std::string name) {
dsp::stream<dsp::stereo_t>* SinkManager::bindStream(std::string name) {
if (streams.find(name) == streams.end()) {
spdlog::error("Cannot bind to stream '{0}'. Stream doesn't exist", name);
flog::error("Cannot bind to stream '{0}'. Stream doesn't exist", name);
return NULL;
}
return streams[name]->bindStream();
@ -209,7 +209,7 @@ dsp::stream<dsp::stereo_t>* SinkManager::bindStream(std::string name) {
void SinkManager::unbindStream(std::string name, dsp::stream<dsp::stereo_t>* stream) {
if (streams.find(name) == streams.end()) {
spdlog::error("Cannot unbind from stream '{0}'. Stream doesn't exist", name);
flog::error("Cannot unbind from stream '{0}'. Stream doesn't exist", name);
return;
}
streams[name]->unbindStream(stream);
@ -217,12 +217,12 @@ void SinkManager::unbindStream(std::string name, dsp::stream<dsp::stereo_t>* str
void SinkManager::setStreamSink(std::string name, std::string providerName) {
if (streams.find(name) == streams.end()) {
spdlog::error("Cannot set sink for stream '{0}'. Stream doesn't exist", name);
flog::error("Cannot set sink for stream '{0}'. Stream doesn't exist", name);
return;
}
Stream* stream = streams[name];
if (providers.find(providerName) == providers.end()) {
spdlog::error("Unknown sink provider '{0}'", providerName);
flog::error("Unknown sink provider '{0}'", providerName);
return;
}

8
core/src/signal_path/source.cpp
View File

@ -1,6 +1,6 @@
#include <server.h>
#include <signal_path/source.h>
#include <spdlog/spdlog.h>
#include <utils/flog.h>
#include <signal_path/signal_path.h>
#include <core.h>
@ -9,7 +9,7 @@ SourceManager::SourceManager() {
void SourceManager::registerSource(std::string name, SourceHandler* handler) {
if (sources.find(name) != sources.end()) {
spdlog::error("Tried to register new source with existing name: {0}", name);
flog::error("Tried to register new source with existing name: {0}", name);
return;
}
sources[name] = handler;
@ -18,7 +18,7 @@ void SourceManager::registerSource(std::string name, SourceHandler* handler) {
void SourceManager::unregisterSource(std::string name) {
if (sources.find(name) == sources.end()) {
spdlog::error("Tried to unregister non existent source: {0}", name);
flog::error("Tried to unregister non existent source: {0}", name);
return;
}
onSourceUnregister.emit(name);
@ -41,7 +41,7 @@ std::vector<std::string> SourceManager::getSourceNames() {
void SourceManager::selectSource(std::string name) {
if (sources.find(name) == sources.end()) {
spdlog::error("Tried to select non existent source: {0}", name);
flog::error("Tried to select non existent source: {0}", name);
return;
}
if (selectedHandler != NULL) {

93
core/src/spdlog/async.h
View File

@ -1,93 +0,0 @@
// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
//
// Async logging using global thread pool
// All loggers created here share same global thread pool.
// Each log message is pushed to a queue along with a shared pointer to the
// logger.
// If a logger deleted while having pending messages in the queue, it's actual
// destruction will defer
// until all its messages are processed by the thread pool.
// This is because each message in the queue holds a shared_ptr to the
// originating logger.
#include <spdlog/async_logger.h>
#include <spdlog/details/registry.h>
#include <spdlog/details/thread_pool.h>
#include <memory>
#include <mutex>
#include <functional>
namespace spdlog {
namespace details {
static const size_t default_async_q_size = 8192;
}
// async logger factory - creates async loggers backed with thread pool.
// if a global thread pool doesn't already exist, create it with default queue
// size of 8192 items and single thread.
template<async_overflow_policy OverflowPolicy = async_overflow_policy::block>
struct async_factory_impl
{
template<typename Sink, typename... SinkArgs>
static std::shared_ptr<async_logger> create(std::string logger_name, SinkArgs &&... args)
{
auto &registry_inst = details::registry::instance();
// create global thread pool if not already exists..
auto &mutex = registry_inst.tp_mutex();
std::lock_guard<std::recursive_mutex> tp_lock(mutex);
auto tp = registry_inst.get_tp();
if (tp == nullptr)
{
tp = std::make_shared<details::thread_pool>(details::default_async_q_size, 1);
registry_inst.set_tp(tp);
}
auto sink = std::make_shared<Sink>(std::forward<SinkArgs>(args)...);
auto new_logger = std::make_shared<async_logger>(std::move(logger_name), std::move(sink), std::move(tp), OverflowPolicy);
registry_inst.initialize_logger(new_logger);
return new_logger;
}
};
using async_factory = async_factory_impl<async_overflow_policy::block>;
using async_factory_nonblock = async_factory_impl<async_overflow_policy::overrun_oldest>;
template<typename Sink, typename... SinkArgs>
inline std::shared_ptr<spdlog::logger> create_async(std::string logger_name, SinkArgs &&... sink_args)
{
return async_factory::create<Sink>(std::move(logger_name), std::forward<SinkArgs>(sink_args)...);
}
template<typename Sink, typename... SinkArgs>
inline std::shared_ptr<spdlog::logger> create_async_nb(std::string logger_name, SinkArgs &&... sink_args)
{
return async_factory_nonblock::create<Sink>(std::move(logger_name), std::forward<SinkArgs>(sink_args)...);
}
// set global thread pool.
inline void init_thread_pool(size_t q_size, size_t thread_count, std::function<void()> on_thread_start)
{
auto tp = std::make_shared<details::thread_pool>(q_size, thread_count, on_thread_start);
details::registry::instance().set_tp(std::move(tp));
}
// set global thread pool.
inline void init_thread_pool(size_t q_size, size_t thread_count)
{
init_thread_pool(q_size, thread_count, [] {});
}
// get the global thread pool.
inline std::shared_ptr<spdlog::details::thread_pool> thread_pool()
{
return details::registry::instance().get_tp();
}
} // namespace spdlog

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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#ifndef SPDLOG_HEADER_ONLY
#include <spdlog/async_logger.h>
#endif
#include <spdlog/sinks/sink.h>
#include <spdlog/details/thread_pool.h>
#include <memory>
#include <string>
SPDLOG_INLINE spdlog::async_logger::async_logger(
std::string logger_name, sinks_init_list sinks_list, std::weak_ptr<details::thread_pool> tp, async_overflow_policy overflow_policy)
: async_logger(std::move(logger_name), sinks_list.begin(), sinks_list.end(), std::move(tp), overflow_policy)
{}
SPDLOG_INLINE spdlog::async_logger::async_logger(
std::string logger_name, sink_ptr single_sink, std::weak_ptr<details::thread_pool> tp, async_overflow_policy overflow_policy)
: async_logger(std::move(logger_name), {std::move(single_sink)}, std::move(tp), overflow_policy)
{}
// send the log message to the thread pool
SPDLOG_INLINE void spdlog::async_logger::sink_it_(const details::log_msg &msg)
{
if (auto pool_ptr = thread_pool_.lock())
{
pool_ptr->post_log(shared_from_this(), msg, overflow_policy_);
}
else
{
throw_spdlog_ex("async log: thread pool doesn't exist anymore");
}
}
// send flush request to the thread pool
SPDLOG_INLINE void spdlog::async_logger::flush_()
{
if (auto pool_ptr = thread_pool_.lock())
{
pool_ptr->post_flush(shared_from_this(), overflow_policy_);
}
else
{
throw_spdlog_ex("async flush: thread pool doesn't exist anymore");
}
}
//
// backend functions - called from the thread pool to do the actual job
//
SPDLOG_INLINE void spdlog::async_logger::backend_sink_it_(const details::log_msg &msg)
{
for (auto &sink : sinks_)
{
if (sink->should_log(msg.level))
{
SPDLOG_TRY
{
sink->log(msg);
}
SPDLOG_LOGGER_CATCH()
}
}
if (should_flush_(msg))
{
backend_flush_();
}
}
SPDLOG_INLINE void spdlog::async_logger::backend_flush_()
{
for (auto &sink : sinks_)
{
SPDLOG_TRY
{
sink->flush();
}
SPDLOG_LOGGER_CATCH()
}
}
SPDLOG_INLINE std::shared_ptr<spdlog::logger> spdlog::async_logger::clone(std::string new_name)
{
auto cloned = std::make_shared<spdlog::async_logger>(*this);
cloned->name_ = std::move(new_name);
return cloned;
}

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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
// Fast asynchronous logger.
// Uses pre allocated queue.
// Creates a single back thread to pop messages from the queue and log them.
//
// Upon each log write the logger:
// 1. Checks if its log level is enough to log the message
// 2. Push a new copy of the message to a queue (or block the caller until
// space is available in the queue)
// Upon destruction, logs all remaining messages in the queue before
// destructing..
#include <spdlog/logger.h>
namespace spdlog {
// Async overflow policy - block by default.
enum class async_overflow_policy
{
block, // Block until message can be enqueued
overrun_oldest // Discard oldest message in the queue if full when trying to
// add new item.
};
namespace details {
class thread_pool;
}
class SPDLOG_API async_logger final : public std::enable_shared_from_this<async_logger>, public logger
{
friend class details::thread_pool;
public:
template<typename It>
async_logger(std::string logger_name, It begin, It end, std::weak_ptr<details::thread_pool> tp,
async_overflow_policy overflow_policy = async_overflow_policy::block)
: logger(std::move(logger_name), begin, end)
, thread_pool_(std::move(tp))
, overflow_policy_(overflow_policy)
{}
async_logger(std::string logger_name, sinks_init_list sinks_list, std::weak_ptr<details::thread_pool> tp,
async_overflow_policy overflow_policy = async_overflow_policy::block);
async_logger(std::string logger_name, sink_ptr single_sink, std::weak_ptr<details::thread_pool> tp,
async_overflow_policy overflow_policy = async_overflow_policy::block);
std::shared_ptr<logger> clone(std::string new_name) override;
protected:
void sink_it_(const details::log_msg &msg) override;
void flush_() override;
void backend_sink_it_(const details::log_msg &incoming_log_msg);
void backend_flush_();
private:
std::weak_ptr<details::thread_pool> thread_pool_;
async_overflow_policy overflow_policy_;
};
} // namespace spdlog
#ifdef SPDLOG_HEADER_ONLY
#include "async_logger-inl.h"
#endif

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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#include <spdlog/cfg/helpers.h>
#include <spdlog/details/registry.h>
//
// Init log levels using each argv entry that starts with "SPDLOG_LEVEL="
//
// set all loggers to debug level:
// example.exe "SPDLOG_LEVEL=debug"
// set logger1 to trace level
// example.exe "SPDLOG_LEVEL=logger1=trace"
// turn off all logging except for logger1 and logger2:
// example.exe "SPDLOG_LEVEL=off,logger1=debug,logger2=info"
namespace spdlog {
namespace cfg {
// search for SPDLOG_LEVEL= in the args and use it to init the levels
void load_argv_levels(int argc, const char **argv)
{
const std::string spdlog_level_prefix = "SPDLOG_LEVEL=";
for (int i = 1; i < argc; i++)
{
std::string arg = argv[i];
if (arg.find(spdlog_level_prefix) == 0)
{
auto levels_string = arg.substr(spdlog_level_prefix.size());
auto levels = helpers::extract_levels(levels_string);
details::registry::instance().update_levels(std::move(levels));
}
}
}
void load_argv_levels(int argc, char **argv)
{
load_argv_levels(argc, const_cast<const char **>(argv));
}
} // namespace cfg
} // namespace spdlog

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core/src/spdlog/cfg/env.h
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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#include <spdlog/cfg/helpers.h>
#include <spdlog/details/registry.h>
#include <spdlog/details/os.h>
//
// Init levels and patterns from env variables SPDLOG_LEVEL
// Inspired from Rust's "env_logger" crate (https://crates.io/crates/env_logger).
// Note - fallback to "info" level on unrecognized levels
//
// Examples:
//
// set global level to debug:
// export SPDLOG_LEVEL=debug
//
// turn off all logging except for logger1:
// export SPDLOG_LEVEL="off,logger1=debug"
//
// turn off all logging except for logger1 and logger2:
// export SPDLOG_LEVEL="off,logger1=debug,logger2=info"
namespace spdlog {
namespace cfg {
void load_env_levels()
{
auto env_val = details::os::getenv("SPDLOG_LEVEL");
auto levels = helpers::extract_levels(env_val);
details::registry::instance().update_levels(std::move(levels));
}
} // namespace cfg
} // namespace spdlog

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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#ifndef SPDLOG_HEADER_ONLY
#include <spdlog/cfg/helpers.h>
#endif
#include <spdlog/spdlog.h>
#include <spdlog/details/os.h>
#include <spdlog/details/registry.h>
#include <string>
#include <utility>
#include <sstream>
namespace spdlog {
namespace cfg {
namespace helpers {
// inplace convert to lowercase
inline std::string &to_lower_(std::string &str)
{
std::transform(
str.begin(), str.end(), str.begin(), [](char ch) { return static_cast<char>((ch >= 'A' && ch <= 'Z') ? ch + ('a' - 'A') : ch); });
return str;
}
// inplace trim spaces
inline std::string &trim_(std::string &str)
{
const char *spaces = " \n\r\t";
str.erase(str.find_last_not_of(spaces) + 1);
str.erase(0, str.find_first_not_of(spaces));
return str;
}
// return (name,value) trimmed pair from given "name=value" string.
// return empty string on missing parts
// "key=val" => ("key", "val")
// " key = val " => ("key", "val")
// "key=" => ("key", "")
// "val" => ("", "val")
inline std::pair<std::string, std::string> extract_kv_(char sep, const std::string &str)
{
auto n = str.find(sep);
std::string k, v;
if (n == std::string::npos)
{
v = str;
}
else
{
k = str.substr(0, n);
v = str.substr(n + 1);
}
return std::make_pair(trim_(k), trim_(v));
}
// return vector of key/value pairs from sequence of "K1=V1,K2=V2,.."
// "a=AAA,b=BBB,c=CCC,.." => {("a","AAA"),("b","BBB"),("c", "CCC"),...}
inline std::unordered_map<std::string, std::string> extract_key_vals_(const std::string &str)
{
std::string token;
std::istringstream token_stream(str);
std::unordered_map<std::string, std::string> rv{};
while (std::getline(token_stream, token, ','))
{
if (token.empty())
{
continue;
}
auto kv = extract_kv_('=', token);
rv[kv.first] = kv.second;
}
return rv;
}
SPDLOG_INLINE log_levels extract_levels(const std::string &input)
{
auto key_vals = extract_key_vals_(input);
log_levels rv;
for (auto &name_level : key_vals)
{
auto &logger_name = name_level.first;
auto level_name = to_lower_(name_level.second);
auto level = level::from_str(level_name);
// fallback to "info" if unrecognized level name
if (level == level::off && level_name != "off")
{
level = level::info;
}
rv.set(logger_name, level);
}
return rv;
}
} // namespace helpers
} // namespace cfg
} // namespace spdlog

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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#include <spdlog/cfg/log_levels.h>
namespace spdlog {
namespace cfg {
namespace helpers {
//
// Init levels from given string
//
// Examples:
//
// set global level to debug: "debug"
// turn off all logging except for logger1: "off,logger1=debug"
// turn off all logging except for logger1 and logger2: "off,logger1=debug,logger2=info"
//
SPDLOG_API log_levels extract_levels(const std::string &txt);
} // namespace helpers
} // namespace cfg
} // namespace spdlog
#ifdef SPDLOG_HEADER_ONLY
#include "helpers-inl.h"
#endif // SPDLOG_HEADER_ONLY

47
core/src/spdlog/cfg/log_levels.h
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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#include <spdlog/common.h>
#include <string>
#include <unordered_map>
namespace spdlog {
namespace cfg {
class log_levels
{
std::unordered_map<std::string, spdlog::level::level_enum> levels_;
spdlog::level::level_enum default_level_ = level::info;
public:
void set(const std::string &logger_name, level::level_enum lvl)
{
if (logger_name.empty())
{
default_level_ = lvl;
}
else
{
levels_[logger_name] = lvl;
}
}
void set_default(level::level_enum lvl)
{
default_level_ = lvl;
}
level::level_enum get(const std::string &logger_name)
{
auto it = levels_.find(logger_name);
return it != levels_.end() ? it->second : default_level_;
}
level::level_enum default_level()
{
return default_level_;
}
};
} // namespace cfg
} // namespace spdlog

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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#ifndef SPDLOG_HEADER_ONLY
#include <spdlog/common.h>
#endif
namespace spdlog {
namespace level {
static string_view_t level_string_views[] SPDLOG_LEVEL_NAMES;
static const char *short_level_names[] SPDLOG_SHORT_LEVEL_NAMES;
SPDLOG_INLINE string_view_t &to_string_view(spdlog::level::level_enum l) SPDLOG_NOEXCEPT
{
return level_string_views[l];
}
SPDLOG_INLINE const char *to_short_c_str(spdlog::level::level_enum l) SPDLOG_NOEXCEPT
{
return short_level_names[l];
}
SPDLOG_INLINE spdlog::level::level_enum from_str(const std::string &name) SPDLOG_NOEXCEPT
{
int level = 0;
for (const auto &level_str : level_string_views)
{
if (level_str == name)
{
return static_cast<level::level_enum>(level);
}
level++;
}
// check also for "warn" and "err" before giving up..
if (name == "warn")
{
return level::warn;
}
if (name == "err")
{
return level::err;
}
return level::off;
}
} // namespace level
SPDLOG_INLINE spdlog_ex::spdlog_ex(std::string msg)
: msg_(std::move(msg))
{}
SPDLOG_INLINE spdlog_ex::spdlog_ex(const std::string &msg, int last_errno)
{
memory_buf_t outbuf;
fmt::format_system_error(outbuf, last_errno, msg);
msg_ = fmt::to_string(outbuf);
}
SPDLOG_INLINE const char *spdlog_ex::what() const SPDLOG_NOEXCEPT
{
return msg_.c_str();
}
SPDLOG_INLINE void throw_spdlog_ex(const std::string &msg, int last_errno)
{
SPDLOG_THROW(spdlog_ex(msg, last_errno));
}
SPDLOG_INLINE void throw_spdlog_ex(std::string msg)
{
SPDLOG_THROW(spdlog_ex(std::move(msg)));
}
} // namespace spdlog

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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#include <spdlog/tweakme.h>
#include <spdlog/details/null_mutex.h>
#include <atomic>
#include <chrono>
#include <initializer_list>
#include <memory>
#include <exception>
#include <string>
#include <type_traits>
#include <functional>
#ifdef SPDLOG_COMPILED_LIB
#undef SPDLOG_HEADER_ONLY
#if defined(_WIN32) && defined(SPDLOG_SHARED_LIB)
#ifdef spdlog_EXPORTS
#define SPDLOG_API __declspec(dllexport)
#else
#define SPDLOG_API __declspec(dllimport)
#endif
#else // !defined(_WIN32) || !defined(SPDLOG_SHARED_LIB)
#define SPDLOG_API
#endif
#define SPDLOG_INLINE
#else // !defined(SPDLOG_COMPILED_LIB)
#define SPDLOG_API
#define SPDLOG_HEADER_ONLY
#define SPDLOG_INLINE inline
#endif // #ifdef SPDLOG_COMPILED_LIB
#include <spdlog/fmt/fmt.h>
// visual studio upto 2013 does not support noexcept nor constexpr
#if defined(_MSC_VER) && (_MSC_VER < 1900)
#define SPDLOG_NOEXCEPT _NOEXCEPT
#define SPDLOG_CONSTEXPR
#else
#define SPDLOG_NOEXCEPT noexcept
#define SPDLOG_CONSTEXPR constexpr
#endif
#if defined(__GNUC__) || defined(__clang__)
#define SPDLOG_DEPRECATED __attribute__((deprecated))
#elif defined(_MSC_VER)
#define SPDLOG_DEPRECATED __declspec(deprecated)
#else
#define SPDLOG_DEPRECATED
#endif
// disable thread local on msvc 2013
#ifndef SPDLOG_NO_TLS
#if (defined(_MSC_VER) && (_MSC_VER < 1900)) || defined(__cplusplus_winrt)
#define SPDLOG_NO_TLS 1
#endif
#endif
#ifndef SPDLOG_FUNCTION
#define SPDLOG_FUNCTION static_cast<const char *>(__FUNCTION__)
#endif
#ifdef SPDLOG_NO_EXCEPTIONS
#define SPDLOG_TRY
#define SPDLOG_THROW(ex) \
do \
{ \
printf("spdlog fatal error: %s\n", ex.what()); \
std::abort(); \
} while (0)
#define SPDLOG_CATCH_ALL()
#else
#define SPDLOG_TRY try
#define SPDLOG_THROW(ex) throw(ex)
#define SPDLOG_CATCH_ALL() catch (...)
#endif
namespace spdlog {
class formatter;
namespace sinks {
class sink;
}
#if defined(_WIN32) && defined(SPDLOG_WCHAR_FILENAMES)
using filename_t = std::wstring;
#define SPDLOG_FILENAME_T(s) L##s
#else
using filename_t = std::string;
#define SPDLOG_FILENAME_T(s) s
#endif
using log_clock = std::chrono::system_clock;
using sink_ptr = std::shared_ptr<sinks::sink>;
using sinks_init_list = std::initializer_list<sink_ptr>;
using err_handler = std::function<void(const std::string &err_msg)>;
using string_view_t = fmt::basic_string_view<char>;
using wstring_view_t = fmt::basic_string_view<wchar_t>;
using memory_buf_t = fmt::basic_memory_buffer<char, 250>;
#ifdef SPDLOG_WCHAR_TO_UTF8_SUPPORT
#ifndef _WIN32
#error SPDLOG_WCHAR_TO_UTF8_SUPPORT only supported on windows
#else
template<typename T>
struct is_convertible_to_wstring_view : std::is_convertible<T, wstring_view_t>
{};
#endif // _WIN32
#else
template<typename>
struct is_convertible_to_wstring_view : std::false_type
{};
#endif // SPDLOG_WCHAR_TO_UTF8_SUPPORT
#if defined(SPDLOG_NO_ATOMIC_LEVELS)
using level_t = details::null_atomic_int;
#else
using level_t = std::atomic<int>;
#endif
#define SPDLOG_LEVEL_TRACE 0
#define SPDLOG_LEVEL_DEBUG 1
#define SPDLOG_LEVEL_INFO 2
#define SPDLOG_LEVEL_WARN 3
#define SPDLOG_LEVEL_ERROR 4
#define SPDLOG_LEVEL_CRITICAL 5
#define SPDLOG_LEVEL_OFF 6
#if !defined(SPDLOG_ACTIVE_LEVEL)
#define SPDLOG_ACTIVE_LEVEL SPDLOG_LEVEL_INFO
#endif
// Log level enum
namespace level {
enum level_enum
{
trace = SPDLOG_LEVEL_TRACE,
debug = SPDLOG_LEVEL_DEBUG,
info = SPDLOG_LEVEL_INFO,
warn = SPDLOG_LEVEL_WARN,
err = SPDLOG_LEVEL_ERROR,
critical = SPDLOG_LEVEL_CRITICAL,
off = SPDLOG_LEVEL_OFF,
n_levels
};
#if !defined(SPDLOG_LEVEL_NAMES)
#define SPDLOG_LEVEL_NAMES \
{ \
"trace", "debug", "info", "warning", "error", "critical", "off" \
}
#endif
#if !defined(SPDLOG_SHORT_LEVEL_NAMES)
#define SPDLOG_SHORT_LEVEL_NAMES \
{ \
"T", "D", "I", "W", "E", "C", "O" \
}
#endif
SPDLOG_API string_view_t &to_string_view(spdlog::level::level_enum l) SPDLOG_NOEXCEPT;
SPDLOG_API const char *to_short_c_str(spdlog::level::level_enum l) SPDLOG_NOEXCEPT;
SPDLOG_API spdlog::level::level_enum from_str(const std::string &name) SPDLOG_NOEXCEPT;
using level_hasher = std::hash<int>;
} // namespace level
//
// Color mode used by sinks with color support.
//
enum class color_mode
{
always,
automatic,
never
};
//
// Pattern time - specific time getting to use for pattern_formatter.
// local time by default
//
enum class pattern_time_type
{
local, // log localtime
utc // log utc
};
//
// Log exception
//
class SPDLOG_API spdlog_ex : public std::exception
{
public:
explicit spdlog_ex(std::string msg);
spdlog_ex(const std::string &msg, int last_errno);
const char *what() const SPDLOG_NOEXCEPT override;
private:
std::string msg_;
};
SPDLOG_API void throw_spdlog_ex(const std::string &msg, int last_errno);
SPDLOG_API void throw_spdlog_ex(std::string msg);
struct source_loc
{
SPDLOG_CONSTEXPR source_loc() = default;
SPDLOG_CONSTEXPR source_loc(const char *filename_in, int line_in, const char *funcname_in)
: filename{filename_in}
, line{line_in}
, funcname{funcname_in}
{}
SPDLOG_CONSTEXPR bool empty() const SPDLOG_NOEXCEPT
{
return line == 0;
}
const char *filename{nullptr};
int line{0};
const char *funcname{nullptr};
};
namespace details {
// make_unique support for pre c++14
#if __cplusplus >= 201402L // C++14 and beyond
using std::make_unique;
#else
template<typename T, typename... Args>
std::unique_ptr<T> make_unique(Args &&... args)
{
static_assert(!std::is_array<T>::value, "arrays not supported");
return std::unique_ptr<T>(new T(std::forward<Args>(args)...));
}
#endif
} // namespace details
} // namespace spdlog
#ifdef SPDLOG_HEADER_ONLY
#include "common-inl.h"
#endif

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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#ifndef SPDLOG_HEADER_ONLY
#include <spdlog/details/backtracer.h>
#endif
namespace spdlog {
namespace details {
SPDLOG_INLINE backtracer::backtracer(const backtracer &other)
{
std::lock_guard<std::mutex> lock(other.mutex_);
enabled_ = other.enabled();
messages_ = other.messages_;
}
SPDLOG_INLINE backtracer::backtracer(backtracer &&other) SPDLOG_NOEXCEPT
{
std::lock_guard<std::mutex> lock(other.mutex_);
enabled_ = other.enabled();
messages_ = std::move(other.messages_);
}
SPDLOG_INLINE backtracer &backtracer::operator=(backtracer other)
{
std::lock_guard<std::mutex> lock(mutex_);
enabled_ = other.enabled();
messages_ = std::move(other.messages_);
return *this;
}
SPDLOG_INLINE void backtracer::enable(size_t size)
{
std::lock_guard<std::mutex> lock{mutex_};
enabled_.store(true, std::memory_order_relaxed);
messages_ = circular_q<log_msg_buffer>{size};
}
SPDLOG_INLINE void backtracer::disable()
{
std::lock_guard<std::mutex> lock{mutex_};
enabled_.store(false, std::memory_order_relaxed);
}
SPDLOG_INLINE bool backtracer::enabled() const
{
return enabled_.load(std::memory_order_relaxed);
}
SPDLOG_INLINE void backtracer::push_back(const log_msg &msg)
{
std::lock_guard<std::mutex> lock{mutex_};
messages_.push_back(log_msg_buffer{msg});
}
// pop all items in the q and apply the given fun on each of them.
SPDLOG_INLINE void backtracer::foreach_pop(std::function<void(const details::log_msg &)> fun)
{
std::lock_guard<std::mutex> lock{mutex_};
while (!messages_.empty())
{
auto &front_msg = messages_.front();
fun(front_msg);
messages_.pop_front();
}
}
} // namespace details
} // namespace spdlog

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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#include <spdlog/details/log_msg_buffer.h>
#include <spdlog/details/circular_q.h>
#include <atomic>
#include <mutex>
#include <functional>
// Store log messages in circular buffer.
// Useful for storing debug data in case of error/warning happens.
namespace spdlog {
namespace details {
class SPDLOG_API backtracer
{
mutable std::mutex mutex_;
std::atomic<bool> enabled_{false};
circular_q<log_msg_buffer> messages_;
public:
backtracer() = default;
backtracer(const backtracer &other);
backtracer(backtracer &&other) SPDLOG_NOEXCEPT;
backtracer &operator=(backtracer other);
void enable(size_t size);
void disable();
bool enabled() const;
void push_back(const log_msg &msg);
// pop all items in the q and apply the given fun on each of them.
void foreach_pop(std::function<void(const details::log_msg &)> fun);
};
} // namespace details
} // namespace spdlog
#ifdef SPDLOG_HEADER_ONLY
#include "backtracer-inl.h"
#endif

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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
// circular q view of std::vector.
#pragma once
#include <vector>
#include <cassert>
namespace spdlog {
namespace details {
template<typename T>
class circular_q
{
size_t max_items_ = 0;
typename std::vector<T>::size_type head_ = 0;
typename std::vector<T>::size_type tail_ = 0;
size_t overrun_counter_ = 0;
std::vector<T> v_;
public:
using value_type = T;
// empty ctor - create a disabled queue with no elements allocated at all
circular_q() = default;
explicit circular_q(size_t max_items)
: max_items_(max_items + 1) // one item is reserved as marker for full q
, v_(max_items_)
{}
circular_q(const circular_q &) = default;
circular_q &operator=(const circular_q &) = default;
// move cannot be default,
// since we need to reset head_, tail_, etc to zero in the moved object
circular_q(circular_q &&other) SPDLOG_NOEXCEPT
{
copy_moveable(std::move(other));
}
circular_q &operator=(circular_q &&other) SPDLOG_NOEXCEPT
{
copy_moveable(std::move(other));
return *this;
}
// push back, overrun (oldest) item if no room left
void push_back(T &&item)
{
if (max_items_ > 0)
{
v_[tail_] = std::move(item);
tail_ = (tail_ + 1) % max_items_;
if (tail_ == head_) // overrun last item if full
{
head_ = (head_ + 1) % max_items_;
++overrun_counter_;
}
}
}
// Return reference to the front item.
// If there are no elements in the container, the behavior is undefined.
const T &front() const
{
return v_[head_];
}
T &front()
{
return v_[head_];
}
// Return number of elements actually stored
size_t size() const
{
if (tail_ >= head_)
{
return tail_ - head_;
}
else
{
return max_items_ - (head_ - tail_);
}
}
// Return const reference to item by index.
// If index is out of range 0…size()-1, the behavior is undefined.
const T &at(size_t i) const
{
assert(i < size());
return v_[(head_ + i) % max_items_];
}
// Pop item from front.
// If there are no elements in the container, the behavior is undefined.
void pop_front()
{
head_ = (head_ + 1) % max_items_;
}
bool empty() const
{
return tail_ == head_;
}
bool full() const
{
// head is ahead of the tail by 1
if (max_items_ > 0)
{
return ((tail_ + 1) % max_items_) == head_;
}
return false;
}
size_t overrun_counter() const
{
return overrun_counter_;
}
private:
// copy from other&& and reset it to disabled state
void copy_moveable(circular_q &&other) SPDLOG_NOEXCEPT
{
max_items_ = other.max_items_;
head_ = other.head_;
tail_ = other.tail_;
overrun_counter_ = other.overrun_counter_;
v_ = std::move(other.v_);
// put &&other in disabled, but valid state
other.max_items_ = 0;
other.head_ = other.tail_ = 0;
other.overrun_counter_ = 0;
}
};
} // namespace details
} // namespace spdlog

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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#include <spdlog/details/null_mutex.h>
#include <mutex>
namespace spdlog {
namespace details {
struct console_mutex
{
using mutex_t = std::mutex;
static mutex_t &mutex()
{
static mutex_t s_mutex;
return s_mutex;
}
};
struct console_nullmutex
{
using mutex_t = null_mutex;
static mutex_t &mutex()
{
static mutex_t s_mutex;
return s_mutex;
}
};
} // namespace details
} // namespace spdlog

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core/src/spdlog/details/file_helper-inl.h
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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#ifndef SPDLOG_HEADER_ONLY
#include <spdlog/details/file_helper.h>
#endif
#include <spdlog/details/os.h>
#include <spdlog/common.h>
#include <cerrno>
#include <chrono>
#include <cstdio>
#include <string>
#include <thread>
#include <tuple>
namespace spdlog {
namespace details {
SPDLOG_INLINE file_helper::~file_helper()
{
close();
}
SPDLOG_INLINE void file_helper::open(const filename_t &fname, bool truncate)
{
close();
filename_ = fname;
auto *mode = truncate ? SPDLOG_FILENAME_T("wb") : SPDLOG_FILENAME_T("ab");
for (int tries = 0; tries < open_tries_; ++tries)
{
// create containing folder if not exists already.
os::create_dir(os::dir_name(fname));
if (!os::fopen_s(&fd_, fname, mode))
{
return;
}
details::os::sleep_for_millis(open_interval_);
}
throw_spdlog_ex("Failed opening file " + os::filename_to_str(filename_) + " for writing", errno);
}
SPDLOG_INLINE void file_helper::reopen(bool truncate)
{
if (filename_.empty())
{
throw_spdlog_ex("Failed re opening file - was not opened before");
}
this->open(filename_, truncate);
}
SPDLOG_INLINE void file_helper::flush()
{
std::fflush(fd_);
}
SPDLOG_INLINE void file_helper::close()
{
if (fd_ != nullptr)
{
std::fclose(fd_);
fd_ = nullptr;
}
}
SPDLOG_INLINE void file_helper::write(const memory_buf_t &buf)
{
size_t msg_size = buf.size();
auto data = buf.data();
if (std::fwrite(data, 1, msg_size, fd_) != msg_size)
{
throw_spdlog_ex("Failed writing to file " + os::filename_to_str(filename_), errno);
}
}
SPDLOG_INLINE size_t file_helper::size() const
{
if (fd_ == nullptr)
{
throw_spdlog_ex("Cannot use size() on closed file " + os::filename_to_str(filename_));
}
return os::filesize(fd_);
}
SPDLOG_INLINE const filename_t &file_helper::filename() const
{
return filename_;
}
//
// return file path and its extension:
//
// "mylog.txt" => ("mylog", ".txt")
// "mylog" => ("mylog", "")
// "mylog." => ("mylog.", "")
// "/dir1/dir2/mylog.txt" => ("/dir1/dir2/mylog", ".txt")
//
// the starting dot in filenames is ignored (hidden files):
//
// ".mylog" => (".mylog". "")
// "my_folder/.mylog" => ("my_folder/.mylog", "")
// "my_folder/.mylog.txt" => ("my_folder/.mylog", ".txt")
SPDLOG_INLINE std::tuple<filename_t, filename_t> file_helper::split_by_extension(const filename_t &fname)
{
auto ext_index = fname.rfind('.');
// no valid extension found - return whole path and empty string as
// extension
if (ext_index == filename_t::npos || ext_index == 0 || ext_index == fname.size() - 1)
{
return std::make_tuple(fname, filename_t());
}
// treat cases like "/etc/rc.d/somelogfile or "/abc/.hiddenfile"
auto folder_index = fname.rfind(details::os::folder_sep);
if (folder_index != filename_t::npos && folder_index >= ext_index - 1)
{
return std::make_tuple(fname, filename_t());
}
// finally - return a valid base and extension tuple
return std::make_tuple(fname.substr(0, ext_index), fname.substr(ext_index));
}
} // namespace details
} // namespace spdlog

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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#include <spdlog/common.h>
#include <tuple>
namespace spdlog {
namespace details {
// Helper class for file sinks.
// When failing to open a file, retry several times(5) with a delay interval(10 ms).
// Throw spdlog_ex exception on errors.
class SPDLOG_API file_helper
{
public:
explicit file_helper() = default;
file_helper(const file_helper &) = delete;
file_helper &operator=(const file_helper &) = delete;
~file_helper();
void open(const filename_t &fname, bool truncate = false);
void reopen(bool truncate);
void flush();
void close();
void write(const memory_buf_t &buf);
size_t size() const;
const filename_t &filename() const;
//
// return file path and its extension:
//
// "mylog.txt" => ("mylog", ".txt")
// "mylog" => ("mylog", "")
// "mylog." => ("mylog.", "")
// "/dir1/dir2/mylog.txt" => ("/dir1/dir2/mylog", ".txt")
//
// the starting dot in filenames is ignored (hidden files):
//
// ".mylog" => (".mylog". "")
// "my_folder/.mylog" => ("my_folder/.mylog", "")
// "my_folder/.mylog.txt" => ("my_folder/.mylog", ".txt")
static std::tuple<filename_t, filename_t> split_by_extension(const filename_t &fname);
private:
const int open_tries_ = 5;
const int open_interval_ = 10;
std::FILE *fd_{nullptr};
filename_t filename_;
};
} // namespace details
} // namespace spdlog
#ifdef SPDLOG_HEADER_ONLY
#include "file_helper-inl.h"
#endif

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core/src/spdlog/details/fmt_helper.h
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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#include <chrono>
#include <type_traits>
#include <spdlog/fmt/fmt.h>
#include <spdlog/common.h>
// Some fmt helpers to efficiently format and pad ints and strings
namespace spdlog {
namespace details {
namespace fmt_helper {
inline spdlog::string_view_t to_string_view(const memory_buf_t &buf) SPDLOG_NOEXCEPT
{
return spdlog::string_view_t{buf.data(), buf.size()};
}
inline void append_string_view(spdlog::string_view_t view, memory_buf_t &dest)
{
auto *buf_ptr = view.data();
dest.append(buf_ptr, buf_ptr + view.size());
}
template<typename T>
inline void append_int(T n, memory_buf_t &dest)
{
fmt::format_int i(n);
dest.append(i.data(), i.data() + i.size());
}
template<typename T>
inline unsigned int count_digits(T n)
{
using count_type = typename std::conditional<(sizeof(T) > sizeof(uint32_t)), uint64_t, uint32_t>::type;
return static_cast<unsigned int>(fmt::
// fmt 7.0.0 renamed the internal namespace to detail.
// See: https://github.com/fmtlib/fmt/issues/1538
#if FMT_VERSION < 70000
internal
#else
detail
#endif
::count_digits(static_cast<count_type>(n)));
}
inline void pad2(int n, memory_buf_t &dest)
{
if (n >= 0 && n < 100) // 0-99
{
dest.push_back(static_cast<char>('0' + n / 10));
dest.push_back(static_cast<char>('0' + n % 10));
}
else // unlikely, but just in case, let fmt deal with it
{
fmt::format_to(dest, "{:02}", n);
}
}
template<typename T>
inline void pad_uint(T n, unsigned int width, memory_buf_t &dest)
{
static_assert(std::is_unsigned<T>::value, "pad_uint must get unsigned T");
for (auto digits = count_digits(n); digits < width; digits++)
{
dest.push_back('0');
}
append_int(n, dest);
}
template<typename T>
inline void pad3(T n, memory_buf_t &dest)
{
static_assert(std::is_unsigned<T>::value, "pad3 must get unsigned T");
if (n < 1000)
{
dest.push_back(static_cast<char>(n / 100 + '0'));
n = n % 100;
dest.push_back(static_cast<char>((n / 10) + '0'));
dest.push_back(static_cast<char>((n % 10) + '0'));
}
else
{
append_int(n, dest);
}
}
template<typename T>
inline void pad6(T n, memory_buf_t &dest)
{
pad_uint(n, 6, dest);
}
template<typename T>
inline void pad9(T n, memory_buf_t &dest)
{
pad_uint(n, 9, dest);
}
// return fraction of a second of the given time_point.
// e.g.
// fraction<std::milliseconds>(tp) -> will return the millis part of the second
template<typename ToDuration>
inline ToDuration time_fraction(log_clock::time_point tp)
{
using std::chrono::duration_cast;
using std::chrono::seconds;
auto duration = tp.time_since_epoch();
auto secs = duration_cast<seconds>(duration);
return duration_cast<ToDuration>(duration) - duration_cast<ToDuration>(secs);
}
} // namespace fmt_helper
} // namespace details
} // namespace spdlog

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core/src/spdlog/details/log_msg-inl.h
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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#ifndef SPDLOG_HEADER_ONLY
#include <spdlog/details/log_msg.h>
#endif
#include <spdlog/details/os.h>
namespace spdlog {
namespace details {
SPDLOG_INLINE log_msg::log_msg(spdlog::log_clock::time_point log_time, spdlog::source_loc loc, string_view_t a_logger_name,
spdlog::level::level_enum lvl, spdlog::string_view_t msg)
: logger_name(a_logger_name)
, level(lvl)
, time(log_time)
#ifndef SPDLOG_NO_THREAD_ID
, thread_id(os::thread_id())
#endif
, source(loc)
, payload(msg)
{}
SPDLOG_INLINE log_msg::log_msg(
spdlog::source_loc loc, string_view_t a_logger_name, spdlog::level::level_enum lvl, spdlog::string_view_t msg)
: log_msg(os::now(), loc, a_logger_name, lvl, msg)
{}
SPDLOG_INLINE log_msg::log_msg(string_view_t a_logger_name, spdlog::level::level_enum lvl, spdlog::string_view_t msg)
: log_msg(os::now(), source_loc{}, a_logger_name, lvl, msg)
{}
} // namespace details
} // namespace spdlog

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core/src/spdlog/details/log_msg.h
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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#include <spdlog/common.h>
#include <string>
namespace spdlog {
namespace details {
struct SPDLOG_API log_msg
{
log_msg() = default;
log_msg(log_clock::time_point log_time, source_loc loc, string_view_t logger_name, level::level_enum lvl, string_view_t msg);
log_msg(source_loc loc, string_view_t logger_name, level::level_enum lvl, string_view_t msg);
log_msg(string_view_t logger_name, level::level_enum lvl, string_view_t msg);
log_msg(const log_msg &other) = default;
string_view_t logger_name;
level::level_enum level{level::off};
log_clock::time_point time;
size_t thread_id{0};
// wrapping the formatted text with color (updated by pattern_formatter).
mutable size_t color_range_start{0};
mutable size_t color_range_end{0};
source_loc source;
string_view_t payload;
};
} // namespace details
} // namespace spdlog
#ifdef SPDLOG_HEADER_ONLY
#include "log_msg-inl.h"
#endif

58
core/src/spdlog/details/log_msg_buffer-inl.h
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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#ifndef SPDLOG_HEADER_ONLY
#include <spdlog/details/log_msg_buffer.h>
#endif
namespace spdlog {
namespace details {
SPDLOG_INLINE log_msg_buffer::log_msg_buffer(const log_msg &orig_msg)
: log_msg{orig_msg}
{
buffer.append(logger_name.begin(), logger_name.end());
buffer.append(payload.begin(), payload.end());
update_string_views();
}
SPDLOG_INLINE log_msg_buffer::log_msg_buffer(const log_msg_buffer &other)
: log_msg{other}
{
buffer.append(logger_name.begin(), logger_name.end());
buffer.append(payload.begin(), payload.end());
update_string_views();
}
SPDLOG_INLINE log_msg_buffer::log_msg_buffer(log_msg_buffer &&other) SPDLOG_NOEXCEPT : log_msg{other}, buffer{std::move(other.buffer)}
{
update_string_views();
}
SPDLOG_INLINE log_msg_buffer &log_msg_buffer::operator=(const log_msg_buffer &other)
{
log_msg::operator=(other);
buffer.clear();
buffer.append(other.buffer.data(), other.buffer.data() + other.buffer.size());
update_string_views();
return *this;
}
SPDLOG_INLINE log_msg_buffer &log_msg_buffer::operator=(log_msg_buffer &&other) SPDLOG_NOEXCEPT
{
log_msg::operator=(other);
buffer = std::move(other.buffer);
update_string_views();
return *this;
}
SPDLOG_INLINE void log_msg_buffer::update_string_views()
{
logger_name = string_view_t{buffer.data(), logger_name.size()};
payload = string_view_t{buffer.data() + logger_name.size(), payload.size()};
}
} // namespace details
} // namespace spdlog

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core/src/spdlog/details/log_msg_buffer.h
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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#include <spdlog/details/log_msg.h>
namespace spdlog {
namespace details {
// Extend log_msg with internal buffer to store its payload.
// This is needed since log_msg holds string_views that points to stack data.
class SPDLOG_API log_msg_buffer : public log_msg
{
memory_buf_t buffer;
void update_string_views();
public:
log_msg_buffer() = default;
explicit log_msg_buffer(const log_msg &orig_msg);
log_msg_buffer(const log_msg_buffer &other);
log_msg_buffer(log_msg_buffer &&other) SPDLOG_NOEXCEPT;
log_msg_buffer &operator=(const log_msg_buffer &other);
log_msg_buffer &operator=(log_msg_buffer &&other) SPDLOG_NOEXCEPT;
};
} // namespace details
} // namespace spdlog
#ifdef SPDLOG_HEADER_ONLY
#include "log_msg_buffer-inl.h"
#endif

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core/src/spdlog/details/mpmc_blocking_q.h
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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
// multi producer-multi consumer blocking queue.
// enqueue(..) - will block until room found to put the new message.
// enqueue_nowait(..) - will return immediately with false if no room left in
// the queue.
// dequeue_for(..) - will block until the queue is not empty or timeout have
// passed.
#include <spdlog/details/circular_q.h>
#include <condition_variable>
#include <mutex>
namespace spdlog {
namespace details {
template<typename T>
class mpmc_blocking_queue
{
public:
using item_type = T;
explicit mpmc_blocking_queue(size_t max_items)
: q_(max_items)
{}
#ifndef __MINGW32__
// try to enqueue and block if no room left
void enqueue(T &&item)
{
{
std::unique_lock<std::mutex> lock(queue_mutex_);
pop_cv_.wait(lock, [this] { return !this->q_.full(); });
q_.push_back(std::move(item));
}
push_cv_.notify_one();
}
// enqueue immediately. overrun oldest message in the queue if no room left.
void enqueue_nowait(T &&item)
{
{
std::unique_lock<std::mutex> lock(queue_mutex_);
q_.push_back(std::move(item));
}
push_cv_.notify_one();
}
// try to dequeue item. if no item found. wait upto timeout and try again
// Return true, if succeeded dequeue item, false otherwise
bool dequeue_for(T &popped_item, std::chrono::milliseconds wait_duration)
{
{
std::unique_lock<std::mutex> lock(queue_mutex_);
if (!push_cv_.wait_for(lock, wait_duration, [this] { return !this->q_.empty(); }))
{
return false;
}
popped_item = std::move(q_.front());
q_.pop_front();
}
pop_cv_.notify_one();
return true;
}
#else
// apparently mingw deadlocks if the mutex is released before cv.notify_one(),
// so release the mutex at the very end each function.
// try to enqueue and block if no room left
void enqueue(T &&item)
{
std::unique_lock<std::mutex> lock(queue_mutex_);
pop_cv_.wait(lock, [this] { return !this->q_.full(); });
q_.push_back(std::move(item));
push_cv_.notify_one();
}
// enqueue immediately. overrun oldest message in the queue if no room left.
void enqueue_nowait(T &&item)
{
std::unique_lock<std::mutex> lock(queue_mutex_);
q_.push_back(std::move(item));
push_cv_.notify_one();
}
// try to dequeue item. if no item found. wait upto timeout and try again
// Return true, if succeeded dequeue item, false otherwise
bool dequeue_for(T &popped_item, std::chrono::milliseconds wait_duration)
{
std::unique_lock<std::mutex> lock(queue_mutex_);
if (!push_cv_.wait_for(lock, wait_duration, [this] { return !this->q_.empty(); }))
{
return false;
}
popped_item = std::move(q_.front());
q_.pop_front();
pop_cv_.notify_one();
return true;
}
#endif
size_t overrun_counter()
{
std::unique_lock<std::mutex> lock(queue_mutex_);
return q_.overrun_counter();
}
private:
std::mutex queue_mutex_;
std::condition_variable push_cv_;
std::condition_variable pop_cv_;
spdlog::details::circular_q<T> q_;
};
} // namespace details
} // namespace spdlog

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core/src/spdlog/details/null_mutex.h
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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#include <atomic>
#include <utility>
// null, no cost dummy "mutex" and dummy "atomic" int
namespace spdlog {
namespace details {
struct null_mutex
{
void lock() const {}
void unlock() const {}
bool try_lock() const
{
return true;
}
};
struct null_atomic_int
{
int value;
null_atomic_int() = default;
explicit null_atomic_int(int new_value)
: value(new_value)
{}
int load(std::memory_order = std::memory_order_relaxed) const
{
return value;
}
void store(int new_value, std::memory_order = std::memory_order_relaxed)
{
value = new_value;
}
int exchange(int new_value, std::memory_order = std::memory_order_relaxed)
{
std::swap(new_value, value);
return new_value; // return value before the call
}
};
} // namespace details
} // namespace spdlog

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core/src/spdlog/details/os-inl.h
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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#ifndef SPDLOG_HEADER_ONLY
#include <spdlog/details/os.h>
#endif
#include <spdlog/common.h>
#include <algorithm>
#include <chrono>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <ctime>
#include <string>
#include <thread>
#include <array>
#include <sys/stat.h>
#include <sys/types.h>
#ifdef _WIN32
#include <io.h> // _get_osfhandle and _isatty support
#include <process.h> // _get_pid support
#include <spdlog/details/windows_include.h>
#ifdef __MINGW32__
#include <share.h>
#endif
#if defined(SPDLOG_WCHAR_TO_UTF8_SUPPORT) || defined(SPDLOG_WCHAR_FILENAMES)
#include <limits>
#endif
#include <direct.h> // for _mkdir/_wmkdir
#else // unix
#include <fcntl.h>
#include <unistd.h>
#ifdef __linux__
#include <sys/syscall.h> //Use gettid() syscall under linux to get thread id
#elif defined(_AIX)
#include <pthread.h> // for pthread_getthreadid_np
#elif defined(__DragonFly__) || defined(__FreeBSD__)
#include <pthread_np.h> // for pthread_getthreadid_np
#elif defined(__NetBSD__)
#include <lwp.h> // for _lwp_self
#elif defined(__sun)
#include <thread.h> // for thr_self
#endif
#endif // unix
#ifndef __has_feature // Clang - feature checking macros.
#define __has_feature(x) 0 // Compatibility with non-clang compilers.
#endif
namespace spdlog {
namespace details {
namespace os {
SPDLOG_INLINE spdlog::log_clock::time_point now() SPDLOG_NOEXCEPT
{
#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)));
#else
return log_clock::now();
#endif
}
SPDLOG_INLINE std::tm localtime(const std::time_t &time_tt) SPDLOG_NOEXCEPT
{
#ifdef _WIN32
std::tm tm;
::localtime_s(&tm, &time_tt);
#else
std::tm tm;
::localtime_r(&time_tt, &tm);
#endif
return tm;
}
SPDLOG_INLINE std::tm localtime() SPDLOG_NOEXCEPT
{
std::time_t now_t = ::time(nullptr);
return localtime(now_t);
}
SPDLOG_INLINE std::tm gmtime(const std::time_t &time_tt) SPDLOG_NOEXCEPT
{
#ifdef _WIN32
std::tm tm;
::gmtime_s(&tm, &time_tt);
#else
std::tm tm;
::gmtime_r(&time_tt, &tm);
#endif
return tm;
}
SPDLOG_INLINE std::tm gmtime() SPDLOG_NOEXCEPT
{
std::time_t now_t = ::time(nullptr);
return gmtime(now_t);
}
// fopen_s on non windows for writing
SPDLOG_INLINE bool 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_DENYNO);
#else
*fp = ::_fsopen((filename.c_str()), mode.c_str(), _SH_DENYNO);
#endif
#if defined(SPDLOG_PREVENT_CHILD_FD)
if (*fp != nullptr)
{
auto file_handle = reinterpret_cast<HANDLE>(_get_osfhandle(::_fileno(*fp)));
if (!::SetHandleInformation(file_handle, HANDLE_FLAG_INHERIT, 0))
{
::fclose(*fp);
*fp = nullptr;
}
}
#endif
#else // unix
#if defined(SPDLOG_PREVENT_CHILD_FD)
const int mode_flag = mode == SPDLOG_FILENAME_T("ab") ? O_APPEND : O_TRUNC;
const int fd = ::open((filename.c_str()), O_CREAT | O_WRONLY | O_CLOEXEC | mode_flag, mode_t(0644));
if (fd == -1)
{
return false;
}
*fp = ::fdopen(fd, mode.c_str());
if (*fp == nullptr)
{
::close(fd);
}
#else
*fp = ::fopen((filename.c_str()), mode.c_str());
#endif
#endif
return *fp == nullptr;
}
SPDLOG_INLINE int remove(const filename_t &filename) SPDLOG_NOEXCEPT
{
#if defined(_WIN32) && defined(SPDLOG_WCHAR_FILENAMES)
return ::_wremove(filename.c_str());
#else
return std::remove(filename.c_str());
#endif
}
SPDLOG_INLINE int remove_if_exists(const filename_t &filename) SPDLOG_NOEXCEPT
{
return path_exists(filename) ? remove(filename) : 0;
}
SPDLOG_INLINE int rename(const filename_t &filename1, const filename_t &filename2) SPDLOG_NOEXCEPT
{
#if defined(_WIN32) && defined(SPDLOG_WCHAR_FILENAMES)
return ::_wrename(filename1.c_str(), filename2.c_str());
#else
return std::rename(filename1.c_str(), filename2.c_str());
#endif
}
// Return true if path exists (file or directory)
SPDLOG_INLINE bool path_exists(const filename_t &filename) SPDLOG_NOEXCEPT
{
#ifdef _WIN32
#ifdef SPDLOG_WCHAR_FILENAMES
auto attribs = ::GetFileAttributesW(filename.c_str());
#else
auto attribs = ::GetFileAttributesA(filename.c_str());
#endif
return attribs != INVALID_FILE_ATTRIBUTES;
#else // common linux/unix all have the stat system call
struct stat buffer;
return (::stat(filename.c_str(), &buffer) == 0);
#endif
}
// Return file size according to open FILE* object
SPDLOG_INLINE size_t filesize(FILE *f)
{
if (f == nullptr)
{
throw_spdlog_ex("Failed getting file size. fd is null");
}
#if defined(_WIN32) && !defined(__CYGWIN__)
int fd = ::_fileno(f);
#if _WIN64 // 64 bits
__int64 ret = ::_filelengthi64(fd);
if (ret >= 0)
{
return static_cast<size_t>(ret);
}
#else // windows 32 bits
long ret = ::_filelength(fd);
if (ret >= 0)
{
return static_cast<size_t>(ret);
}
#endif
#else // unix
// OpenBSD doesn't compile with :: before the fileno(..)
#if defined(__OpenBSD__)
int fd = fileno(f);
#else
int fd = ::fileno(f);
#endif
// 64 bits(but not in osx or cygwin, where fstat64 is deprecated)
#if (defined(__linux__) || defined(__sun) || defined(_AIX)) && (defined(__LP64__) || defined(_LP64))
struct stat64 st;
if (::fstat64(fd, &st) == 0)
{
return static_cast<size_t>(st.st_size);
}
#else // other unix or linux 32 bits or cygwin
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);
return 0; // will not be reached.
}
// Return utc offset in minutes or throw spdlog_ex on failure
SPDLOG_INLINE int utc_minutes_offset(const std::tm &tm)
{
#ifdef _WIN32
#if _WIN32_WINNT < _WIN32_WINNT_WS08
TIME_ZONE_INFORMATION tzinfo;
auto rv = ::GetTimeZoneInformation(&tzinfo);
#else
DYNAMIC_TIME_ZONE_INFORMATION tzinfo;
auto rv = ::GetDynamicTimeZoneInformation(&tzinfo);
#endif
if (rv == TIME_ZONE_ID_INVALID)
throw_spdlog_ex("Failed getting timezone info. ", errno);
int offset = -tzinfo.Bias;
if (tm.tm_isdst)
{
offset -= tzinfo.DaylightBias;
}
else
{
offset -= tzinfo.StandardBias;
}
return offset;
#else
#if defined(sun) || defined(__sun) || defined(_AIX) || (!defined(_BSD_SOURCE) && !defined(_GNU_SOURCE))
// '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
// + 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);
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;
}
};
auto offset_seconds = helper::calculate_gmt_offset(tm);
#else
auto offset_seconds = tm.tm_gmtoff;
#endif
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(especially
// under VS 2013)
SPDLOG_INLINE size_t _thread_id() SPDLOG_NOEXCEPT
{
#ifdef _WIN32
return static_cast<size_t>(::GetCurrentThreadId());
#elif defined(__linux__)
#if defined(__ANDROID__) && defined(__ANDROID_API__) && (__ANDROID_API__ < 21)
#define SYS_gettid __NR_gettid
#endif
return static_cast<size_t>(::syscall(SYS_gettid));
#elif defined(_AIX) || defined(__DragonFly__) || defined(__FreeBSD__)
return static_cast<size_t>(::pthread_getthreadid_np());
#elif defined(__NetBSD__)
return static_cast<size_t>(::_lwp_self());
#elif defined(__OpenBSD__)
return static_cast<size_t>(::getthrid());
#elif defined(__sun)
return static_cast<size_t>(::thr_self());
#elif __APPLE__
uint64_t tid;
pthread_threadid_np(nullptr, &tid);
return static_cast<size_t>(tid);
#else // Default to standard C++11 (other Unix)
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)
SPDLOG_INLINE size_t thread_id() SPDLOG_NOEXCEPT
{
#if defined(SPDLOG_NO_TLS)
return _thread_id();
#else // cache thread id in tls
static thread_local const size_t tid = _thread_id();
return tid;
#endif
}
// This is avoid msvc issue in sleep_for that happens if the clock changes.
// See https://github.com/gabime/spdlog/issues/609
SPDLOG_INLINE void sleep_for_millis(int milliseconds) SPDLOG_NOEXCEPT
{
#if defined(_WIN32)
::Sleep(milliseconds);
#else
std::this_thread::sleep_for(std::chrono::milliseconds(milliseconds));
#endif
}
// wchar support for windows file names (SPDLOG_WCHAR_FILENAMES must be defined)
#if defined(_WIN32) && defined(SPDLOG_WCHAR_FILENAMES)
SPDLOG_INLINE std::string filename_to_str(const filename_t &filename)
{
memory_buf_t buf;
wstr_to_utf8buf(filename, buf);
return fmt::to_string(buf);
}
#else
SPDLOG_INLINE std::string filename_to_str(const filename_t &filename)
{
return filename;
}
#endif
SPDLOG_INLINE int pid() SPDLOG_NOEXCEPT
{
#ifdef _WIN32
return static_cast<int>(::GetCurrentProcessId());
#else
return static_cast<int>(::getpid());
#endif
}
// Determine if the terminal supports colors
// Based on: https://github.com/agauniyal/rang/
SPDLOG_INLINE bool is_color_terminal() SPDLOG_NOEXCEPT
{
#ifdef _WIN32
return true;
#else
static constexpr std::array<const char *, 14> 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;
}
static const bool result =
std::any_of(terms.begin(), terms.end(), [&](const char *term) { return std::strstr(env_p, term) != nullptr; });
return result;
#endif
}
// Determine if the terminal attached
// Source: https://github.com/agauniyal/rang/
SPDLOG_INLINE bool in_terminal(FILE *file) SPDLOG_NOEXCEPT
{
#ifdef _WIN32
return ::_isatty(_fileno(file)) != 0;
#else
return ::isatty(fileno(file)) != 0;
#endif
}
#if (defined(SPDLOG_WCHAR_TO_UTF8_SUPPORT) || defined(SPDLOG_WCHAR_FILENAMES)) && defined(_WIN32)
SPDLOG_INLINE void wstr_to_utf8buf(wstring_view_t wstr, memory_buf_t &target)
{
if (wstr.size() > static_cast<size_t>((std::numeric_limits<int>::max)()))
{
throw_spdlog_ex("UTF-16 string is too big to be converted to UTF-8");
}
int wstr_size = static_cast<int>(wstr.size());
if (wstr_size == 0)
{
target.resize(0);
return;
}
int result_size = static_cast<int>(target.capacity());
if ((wstr_size + 1) * 2 > result_size)
{
result_size = ::WideCharToMultiByte(CP_UTF8, 0, wstr.data(), wstr_size, NULL, 0, NULL, NULL);
}
if (result_size > 0)
{
target.resize(result_size);
result_size = ::WideCharToMultiByte(CP_UTF8, 0, wstr.data(), wstr_size, target.data(), result_size, NULL, NULL);
if (result_size > 0)
{
target.resize(result_size);
return;
}
}
throw_spdlog_ex(fmt::format("WideCharToMultiByte failed. Last error: {}", ::GetLastError()));
}
#endif // (defined(SPDLOG_WCHAR_TO_UTF8_SUPPORT) || defined(SPDLOG_WCHAR_FILENAMES)) && defined(_WIN32)
// return true on success
static SPDLOG_INLINE bool mkdir_(const filename_t &path)
{
#ifdef _WIN32
#ifdef SPDLOG_WCHAR_FILENAMES
return ::_wmkdir(path.c_str()) == 0;
#else
return ::_mkdir(path.c_str()) == 0;
#endif
#else
return ::mkdir(path.c_str(), mode_t(0755)) == 0;
#endif
}
// create the given directory - and all directories leading to it
// return true on success or if the directory already exists
SPDLOG_INLINE bool create_dir(filename_t path)
{
if (path_exists(path))
{
return true;
}
if (path.empty())
{
return false;
}
#ifdef _WIN32
// support forward slash in windows
std::replace(path.begin(), path.end(), '/', folder_sep);
#endif
size_t search_offset = 0;
do
{
auto token_pos = path.find(folder_sep, search_offset);
// treat the entire path as a folder if no folder separator not found
if (token_pos == filename_t::npos)
{
token_pos = path.size();
}
auto subdir = path.substr(0, token_pos);
if (!subdir.empty() && !path_exists(subdir) && !mkdir_(subdir))
{
return false; // return error if failed creating dir
}
search_offset = token_pos + 1;
} while (search_offset < path.size());
return true;
}
// Return directory name from given path or empty string
// "abc/file" => "abc"
// "abc/" => "abc"
// "abc" => ""
// "abc///" => "abc//"
SPDLOG_INLINE filename_t dir_name(filename_t path)
{
#ifdef _WIN32
// support forward slash in windows
std::replace(path.begin(), path.end(), '/', folder_sep);
#endif
auto pos = path.find_last_of(folder_sep);
return pos != filename_t::npos ? path.substr(0, pos) : filename_t{};
}
std::string SPDLOG_INLINE getenv(const char *field)
{
#if defined(_MSC_VER)
#if defined(__cplusplus_winrt)
return std::string{}; // not supported under uwp
#else
size_t len = 0;
char buf[128];
bool ok = ::getenv_s(&len, buf, sizeof(buf), field) == 0;
return ok ? buf : std::string{};
#endif
#else // revert to getenv
char *buf = ::getenv(field);
return buf ? buf : std::string{};
#endif
}
} // namespace os
} // namespace details
} // namespace spdlog

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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#include <spdlog/common.h>
#include <ctime> // std::time_t
namespace spdlog {
namespace details {
namespace os {
SPDLOG_API spdlog::log_clock::time_point now() SPDLOG_NOEXCEPT;
SPDLOG_API std::tm localtime(const std::time_t &time_tt) SPDLOG_NOEXCEPT;
SPDLOG_API std::tm localtime() SPDLOG_NOEXCEPT;
SPDLOG_API std::tm gmtime(const std::time_t &time_tt) SPDLOG_NOEXCEPT;
SPDLOG_API std::tm gmtime() SPDLOG_NOEXCEPT;
// eol definition
#if !defined(SPDLOG_EOL)
#ifdef _WIN32
#define SPDLOG_EOL "\r\n"
#else
#define SPDLOG_EOL "\n"
#endif
#endif
SPDLOG_CONSTEXPR static const char *default_eol = SPDLOG_EOL;
// folder separator
#ifdef _WIN32
static const char folder_sep = '\\';
#else
SPDLOG_CONSTEXPR static const char folder_sep = '/';
#endif
// fopen_s on non windows for writing
SPDLOG_API bool fopen_s(FILE **fp, const filename_t &filename, const filename_t &mode);
// Remove filename. return 0 on success
SPDLOG_API int remove(const filename_t &filename) SPDLOG_NOEXCEPT;
// Remove file if exists. return 0 on success
// Note: Non atomic (might return failure to delete if concurrently deleted by other process/thread)
SPDLOG_API int remove_if_exists(const filename_t &filename) SPDLOG_NOEXCEPT;
SPDLOG_API int rename(const filename_t &filename1, const filename_t &filename2) SPDLOG_NOEXCEPT;
// Return if file exists.
SPDLOG_API bool path_exists(const filename_t &filename) SPDLOG_NOEXCEPT;
// Return file size according to open FILE* object
SPDLOG_API size_t filesize(FILE *f);
// Return utc offset in minutes or throw spdlog_ex on failure
SPDLOG_API int utc_minutes_offset(const std::tm &tm = details::os::localtime());
// Return current thread id as size_t
// It exists because the std::this_thread::get_id() is much slower(especially
// under VS 2013)
SPDLOG_API size_t _thread_id() SPDLOG_NOEXCEPT;
// Return current thread id as size_t (from thread local storage)
SPDLOG_API size_t thread_id() SPDLOG_NOEXCEPT;
// This is avoid msvc issue in sleep_for that happens if the clock changes.
// See https://github.com/gabime/spdlog/issues/609
SPDLOG_API void sleep_for_millis(int milliseconds) SPDLOG_NOEXCEPT;
SPDLOG_API std::string filename_to_str(const filename_t &filename);
SPDLOG_API int pid() SPDLOG_NOEXCEPT;
// Determine if the terminal supports colors
// Source: https://github.com/agauniyal/rang/
SPDLOG_API bool is_color_terminal() SPDLOG_NOEXCEPT;
// Determine if the terminal attached
// Source: https://github.com/agauniyal/rang/
SPDLOG_API bool in_terminal(FILE *file) SPDLOG_NOEXCEPT;
#if (defined(SPDLOG_WCHAR_TO_UTF8_SUPPORT) || defined(SPDLOG_WCHAR_FILENAMES)) && defined(_WIN32)
SPDLOG_API void wstr_to_utf8buf(wstring_view_t wstr, memory_buf_t &target);
#endif
// Return directory name from given path or empty string
// "abc/file" => "abc"
// "abc/" => "abc"
// "abc" => ""
// "abc///" => "abc//"
SPDLOG_API filename_t dir_name(filename_t path);
// Create a dir from the given path.
// Return true if succeeded or if this dir already exists.
SPDLOG_API bool create_dir(filename_t path);
// non thread safe, cross platform getenv/getenv_s
// return empty string if field not found
SPDLOG_API std::string getenv(const char *field);
} // namespace os
} // namespace details
} // namespace spdlog
#ifdef SPDLOG_HEADER_ONLY
#include "os-inl.h"
#endif

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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#ifndef SPDLOG_HEADER_ONLY
#include <spdlog/details/periodic_worker.h>
#endif
namespace spdlog {
namespace details {
SPDLOG_INLINE periodic_worker::periodic_worker(const std::function<void()> &callback_fun, std::chrono::seconds interval)
{
active_ = (interval > std::chrono::seconds::zero());
if (!active_)
{
return;
}
worker_thread_ = std::thread([this, callback_fun, interval]() {
for (;;)
{
std::unique_lock<std::mutex> lock(this->mutex_);
if (this->cv_.wait_for(lock, interval, [this] { return !this->active_; }))
{
return; // active_ == false, so exit this thread
}
callback_fun();
}
});
}
// stop the worker thread and join it
SPDLOG_INLINE periodic_worker::~periodic_worker()
{
if (worker_thread_.joinable())
{
{
std::lock_guard<std::mutex> lock(mutex_);
active_ = false;
}
cv_.notify_one();
worker_thread_.join();
}
}
} // namespace details
} // namespace spdlog

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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
// periodic worker thread - periodically executes the given callback function.
//
// RAII over the owned thread:
// creates the thread on construction.
// stops and joins the thread on destruction (if the thread is executing a callback, wait for it to finish first).
#include <chrono>
#include <condition_variable>
#include <functional>
#include <mutex>
#include <thread>
namespace spdlog {
namespace details {
class SPDLOG_API periodic_worker
{
public:
periodic_worker(const std::function<void()> &callback_fun, std::chrono::seconds interval);
periodic_worker(const periodic_worker &) = delete;
periodic_worker &operator=(const periodic_worker &) = delete;
// stop the worker thread and join it
~periodic_worker();
private:
bool active_;
std::thread worker_thread_;
std::mutex mutex_;
std::condition_variable cv_;
};
} // namespace details
} // namespace spdlog
#ifdef SPDLOG_HEADER_ONLY
#include "periodic_worker-inl.h"
#endif

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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#ifndef SPDLOG_HEADER_ONLY
#include <spdlog/details/registry.h>
#endif
#include <spdlog/common.h>
#include <spdlog/details/periodic_worker.h>
#include <spdlog/logger.h>
#include <spdlog/pattern_formatter.h>
#ifndef SPDLOG_DISABLE_DEFAULT_LOGGER
// support for the default stdout color logger
#ifdef _WIN32
#include <spdlog/sinks/wincolor_sink.h>
#else
#include <spdlog/sinks/ansicolor_sink.h>
#endif
#endif // SPDLOG_DISABLE_DEFAULT_LOGGER
#include <chrono>
#include <functional>
#include <memory>
#include <string>
#include <unordered_map>
namespace spdlog {
namespace details {
SPDLOG_INLINE registry::registry()
: formatter_(new pattern_formatter())
{
#ifndef SPDLOG_DISABLE_DEFAULT_LOGGER
// create default logger (ansicolor_stdout_sink_mt or wincolor_stdout_sink_mt in windows).
#ifdef _WIN32
auto color_sink = std::make_shared<sinks::wincolor_stdout_sink_mt>();
#else
auto color_sink = std::make_shared<sinks::ansicolor_stdout_sink_mt>();
#endif
const char *default_logger_name = "";
default_logger_ = std::make_shared<spdlog::logger>(default_logger_name, std::move(color_sink));
loggers_[default_logger_name] = default_logger_;
#endif // SPDLOG_DISABLE_DEFAULT_LOGGER
}
SPDLOG_INLINE registry::~registry() = default;
SPDLOG_INLINE void registry::register_logger(std::shared_ptr<logger> new_logger)
{
std::lock_guard<std::mutex> lock(logger_map_mutex_);
register_logger_(std::move(new_logger));
}
SPDLOG_INLINE void registry::initialize_logger(std::shared_ptr<logger> new_logger)
{
std::lock_guard<std::mutex> lock(logger_map_mutex_);
new_logger->set_formatter(formatter_->clone());
if (err_handler_)
{
new_logger->set_error_handler(err_handler_);
}
new_logger->set_level(levels_.get(new_logger->name()));
new_logger->flush_on(flush_level_);
if (backtrace_n_messages_ > 0)
{
new_logger->enable_backtrace(backtrace_n_messages_);
}
if (automatic_registration_)
{
register_logger_(std::move(new_logger));
}
}
SPDLOG_INLINE std::shared_ptr<logger> registry::get(const std::string &logger_name)
{
std::lock_guard<std::mutex> lock(logger_map_mutex_);
auto found = loggers_.find(logger_name);
return found == loggers_.end() ? nullptr : found->second;
}
SPDLOG_INLINE std::shared_ptr<logger> registry::default_logger()
{
std::lock_guard<std::mutex> lock(logger_map_mutex_);
return default_logger_;
}
// Return raw ptr to the default logger.
// To be used directly by the spdlog default api (e.g. spdlog::info)
// This make the default API faster, but cannot be used concurrently with set_default_logger().
// e.g do not call set_default_logger() from one thread while calling spdlog::info() from another.
SPDLOG_INLINE logger *registry::get_default_raw()
{
return default_logger_.get();
}
// set default logger.
// default logger is stored in default_logger_ (for faster retrieval) and in the loggers_ map.
SPDLOG_INLINE void registry::set_default_logger(std::shared_ptr<logger> new_default_logger)
{
std::lock_guard<std::mutex> lock(logger_map_mutex_);
// remove previous default logger from the map
if (default_logger_ != nullptr)
{
loggers_.erase(default_logger_->name());
}
if (new_default_logger != nullptr)
{
loggers_[new_default_logger->name()] = new_default_logger;
}
default_logger_ = std::move(new_default_logger);
}
SPDLOG_INLINE void registry::set_tp(std::shared_ptr<thread_pool> tp)
{
std::lock_guard<std::recursive_mutex> lock(tp_mutex_);
tp_ = std::move(tp);
}
SPDLOG_INLINE std::shared_ptr<thread_pool> registry::get_tp()
{
std::lock_guard<std::recursive_mutex> lock(tp_mutex_);
return tp_;
}
// Set global formatter. Each sink in each logger will get a clone of this object
SPDLOG_INLINE void registry::set_formatter(std::unique_ptr<formatter> formatter)
{
std::lock_guard<std::mutex> lock(logger_map_mutex_);
formatter_ = std::move(formatter);
for (auto &l : loggers_)
{
l.second->set_formatter(formatter_->clone());
}
}
SPDLOG_INLINE void registry::enable_backtrace(size_t n_messages)
{
std::lock_guard<std::mutex> lock(logger_map_mutex_);
backtrace_n_messages_ = n_messages;
for (auto &l : loggers_)
{
l.second->enable_backtrace(n_messages);
}
}
SPDLOG_INLINE void registry::disable_backtrace()
{
std::lock_guard<std::mutex> lock(logger_map_mutex_);
backtrace_n_messages_ = 0;
for (auto &l : loggers_)
{
l.second->disable_backtrace();
}
}
SPDLOG_INLINE void registry::set_level(level::level_enum log_level)
{
std::lock_guard<std::mutex> lock(logger_map_mutex_);
for (auto &l : loggers_)
{
l.second->set_level(log_level);
}
levels_.set_default(log_level);
}
SPDLOG_INLINE void registry::flush_on(level::level_enum log_level)
{
std::lock_guard<std::mutex> lock(logger_map_mutex_);
for (auto &l : loggers_)
{
l.second->flush_on(log_level);
}
flush_level_ = log_level;
}
SPDLOG_INLINE void registry::flush_every(std::chrono::seconds interval)
{
std::lock_guard<std::mutex> lock(flusher_mutex_);
auto clbk = [this]() { this->flush_all(); };
periodic_flusher_ = details::make_unique<periodic_worker>(clbk, interval);
}
SPDLOG_INLINE void registry::set_error_handler(void (*handler)(const std::string &msg))
{
std::lock_guard<std::mutex> lock(logger_map_mutex_);
for (auto &l : loggers_)
{
l.second->set_error_handler(handler);
}
err_handler_ = handler;
}
SPDLOG_INLINE void registry::apply_all(const std::function<void(const std::shared_ptr<logger>)> &fun)
{
std::lock_guard<std::mutex> lock(logger_map_mutex_);
for (auto &l : loggers_)
{
fun(l.second);
}
}
SPDLOG_INLINE void registry::flush_all()
{
std::lock_guard<std::mutex> lock(logger_map_mutex_);
for (auto &l : loggers_)
{
l.second->flush();
}
}
SPDLOG_INLINE void registry::drop(const std::string &logger_name)
{
std::lock_guard<std::mutex> lock(logger_map_mutex_);
loggers_.erase(logger_name);
if (default_logger_ && default_logger_->name() == logger_name)
{
default_logger_.reset();
}
}
SPDLOG_INLINE void registry::drop_all()
{
std::lock_guard<std::mutex> lock(logger_map_mutex_);
loggers_.clear();
default_logger_.reset();
}
// clean all resources and threads started by the registry
SPDLOG_INLINE void registry::shutdown()
{
{
std::lock_guard<std::mutex> lock(flusher_mutex_);
periodic_flusher_.reset();
}
drop_all();
{
std::lock_guard<std::recursive_mutex> lock(tp_mutex_);
tp_.reset();
}
}
SPDLOG_INLINE std::recursive_mutex &registry::tp_mutex()
{
return tp_mutex_;
}
SPDLOG_INLINE void registry::set_automatic_registration(bool automatic_registration)
{
std::lock_guard<std::mutex> lock(logger_map_mutex_);
automatic_registration_ = automatic_registration;
}
SPDLOG_INLINE void registry::update_levels(cfg::log_levels levels)
{
std::lock_guard<std::mutex> lock(logger_map_mutex_);
levels_ = std::move(levels);
for (auto &l : loggers_)
{
auto &logger = l.second;
logger->set_level(levels_.get(logger->name()));
}
}
SPDLOG_INLINE registry &registry::instance()
{
static registry s_instance;
return s_instance;
}
SPDLOG_INLINE void registry::throw_if_exists_(const std::string &logger_name)
{
if (loggers_.find(logger_name) != loggers_.end())
{
throw_spdlog_ex("logger with name '" + logger_name + "' already exists");
}
}
SPDLOG_INLINE void registry::register_logger_(std::shared_ptr<logger> new_logger)
{
auto logger_name = new_logger->name();
throw_if_exists_(logger_name);
loggers_[logger_name] = std::move(new_logger);
}
} // namespace details
} // namespace spdlog

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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
// Loggers registry of unique name->logger pointer
// An attempt to create a logger with an already existing name will result with spdlog_ex exception.
// If user requests a non existing logger, nullptr will be returned
// This class is thread safe
#include <spdlog/common.h>
#include <spdlog/cfg/log_levels.h>
#include <chrono>
#include <functional>
#include <memory>
#include <string>
#include <unordered_map>
#include <mutex>
namespace spdlog {
class logger;
namespace details {
class thread_pool;
class periodic_worker;
class SPDLOG_API registry
{
public:
registry(const registry &) = delete;
registry &operator=(const registry &) = delete;
void register_logger(std::shared_ptr<logger> new_logger);
void initialize_logger(std::shared_ptr<logger> new_logger);
std::shared_ptr<logger> get(const std::string &logger_name);
std::shared_ptr<logger> default_logger();
// Return raw ptr to the default logger.
// To be used directly by the spdlog default api (e.g. spdlog::info)
// This make the default API faster, but cannot be used concurrently with set_default_logger().
// e.g do not call set_default_logger() from one thread while calling spdlog::info() from another.
logger *get_default_raw();
// set default logger.
// default logger is stored in default_logger_ (for faster retrieval) and in the loggers_ map.
void set_default_logger(std::shared_ptr<logger> new_default_logger);
void set_tp(std::shared_ptr<thread_pool> tp);
std::shared_ptr<thread_pool> get_tp();
// Set global formatter. Each sink in each logger will get a clone of this object
void set_formatter(std::unique_ptr<formatter> formatter);
void enable_backtrace(size_t n_messages);
void disable_backtrace();
void set_level(level::level_enum log_level);
void flush_on(level::level_enum log_level);
void flush_every(std::chrono::seconds interval);
void set_error_handler(void (*handler)(const std::string &msg));
void apply_all(const std::function<void(const std::shared_ptr<logger>)> &fun);
void flush_all();
void drop(const std::string &logger_name);
void drop_all();
// clean all resources and threads started by the registry
void shutdown();
std::recursive_mutex &tp_mutex();
void set_automatic_registration(bool automatic_registration);
void update_levels(cfg::log_levels levels);
static registry &instance();
private:
registry();
~registry();
void throw_if_exists_(const std::string &logger_name);
void register_logger_(std::shared_ptr<logger> new_logger);
std::mutex logger_map_mutex_, flusher_mutex_;
std::recursive_mutex tp_mutex_;
std::unordered_map<std::string, std::shared_ptr<logger>> loggers_;
cfg::log_levels levels_;
std::unique_ptr<formatter> formatter_;
level::level_enum flush_level_ = level::off;
void (*err_handler_)(const std::string &msg);
std::shared_ptr<thread_pool> tp_;
std::unique_ptr<periodic_worker> periodic_flusher_;
std::shared_ptr<logger> default_logger_;
bool automatic_registration_ = true;
size_t backtrace_n_messages_ = 0;
};
} // namespace details
} // namespace spdlog
#ifdef SPDLOG_HEADER_ONLY
#include "registry-inl.h"
#endif

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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#include "registry.h"
namespace spdlog {
// Default logger factory- creates synchronous loggers
class logger;
struct synchronous_factory
{
template<typename Sink, typename... SinkArgs>
static std::shared_ptr<spdlog::logger> create(std::string logger_name, SinkArgs &&... args)
{
auto sink = std::make_shared<Sink>(std::forward<SinkArgs>(args)...);
auto new_logger = std::make_shared<spdlog::logger>(std::move(logger_name), std::move(sink));
details::registry::instance().initialize_logger(new_logger);
return new_logger;
}
};
} // namespace spdlog

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core/src/spdlog/details/tcp_client-windows.h
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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#define WIN32_LEAN_AND_MEAN
// tcp client helper
#include <spdlog/common.h>
#include <spdlog/details/os.h>
#include <windows.h>
#include <winsock2.h>
#include <ws2tcpip.h>
#include <stdlib.h>
#include <stdio.h>
#include <string>
#pragma comment(lib, "Ws2_32.lib")
#pragma comment(lib, "Mswsock.lib")
#pragma comment(lib, "AdvApi32.lib")
namespace spdlog {
namespace details {
class tcp_client
{
SOCKET socket_ = INVALID_SOCKET;
static bool winsock_initialized_()
{
SOCKET s = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
if (s == INVALID_SOCKET)
{
return false;
}
else
{
closesocket(s);
return true;
}
}
static void init_winsock_()
{
WSADATA wsaData;
auto rv = WSAStartup(MAKEWORD(2, 2), &wsaData);
if (rv != 0)
{
throw_winsock_error_("WSAStartup failed", ::WSAGetLastError());
}
}
static void throw_winsock_error_(const std::string &msg, int last_error)
{
char buf[512];
::FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, NULL, last_error,
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), buf, (sizeof(buf) / sizeof(char)), NULL);
throw_spdlog_ex(fmt::format("tcp_sink - {}: {}", msg, buf));
}
public:
bool is_connected() const
{
return socket_ != INVALID_SOCKET;
}
void close()
{
::closesocket(socket_);
socket_ = INVALID_SOCKET;
WSACleanup();
}
SOCKET fd() const
{
return socket_;
}
~tcp_client()
{
close();
}
// try to connect or throw on failure
void connect(const std::string &host, int port)
{
// initialize winsock if needed
if (!winsock_initialized_())
{
init_winsock_();
}
if (is_connected())
{
close();
}
struct addrinfo hints
{};
ZeroMemory(&hints, sizeof(hints));
hints.ai_family = AF_INET; // IPv4
hints.ai_socktype = SOCK_STREAM; // TCP
hints.ai_flags = AI_NUMERICSERV; // port passed as as numeric value
hints.ai_protocol = 0;
auto port_str = std::to_string(port);
struct addrinfo *addrinfo_result;
auto rv = ::getaddrinfo(host.c_str(), port_str.c_str(), &hints, &addrinfo_result);
int last_error = 0;
if (rv != 0)
{
last_error = ::WSAGetLastError();
WSACleanup();
throw_winsock_error_("getaddrinfo failed", last_error);
}
// Try each address until we successfully connect(2).
for (auto *rp = addrinfo_result; rp != nullptr; rp = rp->ai_next)
{
socket_ = socket(rp->ai_family, rp->ai_socktype, rp->ai_protocol);
if (socket_ == INVALID_SOCKET)
{
last_error = ::WSAGetLastError();
WSACleanup();
continue;
}
if (::connect(socket_, rp->ai_addr, (int)rp->ai_addrlen) == 0)
{
break;
}
else
{
last_error = ::WSAGetLastError();
close();
}
}
::freeaddrinfo(addrinfo_result);
if (socket_ == INVALID_SOCKET)
{
WSACleanup();
throw_winsock_error_("connect failed", last_error);
}
// set TCP_NODELAY
int enable_flag = 1;
::setsockopt(socket_, IPPROTO_TCP, TCP_NODELAY, (char *)&enable_flag, sizeof(enable_flag));
}
// Send exactly n_bytes of the given data.
// On error close the connection and throw.
void send(const char *data, size_t n_bytes)
{
size_t bytes_sent = 0;
while (bytes_sent < n_bytes)
{
const int send_flags = 0;
auto write_result = ::send(socket_, data + bytes_sent, (int)(n_bytes - bytes_sent), send_flags);
if (write_result == SOCKET_ERROR)
{
int last_error = ::WSAGetLastError();
close();
throw_winsock_error_("send failed", last_error);
}
if (write_result == 0) // (probably should not happen but in any case..)
{
break;
}
bytes_sent += static_cast<size_t>(write_result);
}
}
};
} // namespace details
} // namespace spdlog

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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#ifdef _WIN32
#error include tcp_client-windows.h instead
#endif
// tcp client helper
#include <spdlog/common.h>
#include <spdlog/details/os.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <unistd.h>
#include <netdb.h>
#include <netinet/tcp.h>
#include <string>
namespace spdlog {
namespace details {
class tcp_client
{
int socket_ = -1;
public:
bool is_connected() const
{
return socket_ != -1;
}
void close()
{
if (is_connected())
{
::close(socket_);
socket_ = -1;
}
}
int fd() const
{
return socket_;
}
~tcp_client()
{
close();
}
// try to connect or throw on failure
void connect(const std::string &host, int port)
{
close();
struct addrinfo hints
{};
memset(&hints, 0, sizeof(struct addrinfo));
hints.ai_family = AF_INET; // IPv4
hints.ai_socktype = SOCK_STREAM; // TCP
hints.ai_flags = AI_NUMERICSERV; // port passed as as numeric value
hints.ai_protocol = 0;
auto port_str = std::to_string(port);
struct addrinfo *addrinfo_result;
auto rv = ::getaddrinfo(host.c_str(), port_str.c_str(), &hints, &addrinfo_result);
if (rv != 0)
{
auto msg = fmt::format("::getaddrinfo failed: {}", gai_strerror(rv));
throw_spdlog_ex(msg);
}
// Try each address until we successfully connect(2).
int last_errno = 0;
for (auto *rp = addrinfo_result; rp != nullptr; rp = rp->ai_next)
{
int const flags = SOCK_CLOEXEC;
socket_ = ::socket(rp->ai_family, rp->ai_socktype | flags, rp->ai_protocol);
if (socket_ == -1)
{
last_errno = errno;
continue;
}
rv = ::connect(socket_, rp->ai_addr, rp->ai_addrlen);
if (rv == 0)
{
break;
}
else
{
last_errno = errno;
::close(socket_);
socket_ = -1;
}
}
::freeaddrinfo(addrinfo_result);
if (socket_ == -1)
{
throw_spdlog_ex("::connect failed", last_errno);
}
// set TCP_NODELAY
int enable_flag = 1;
::setsockopt(socket_, IPPROTO_TCP, TCP_NODELAY, (char *)&enable_flag, sizeof(enable_flag));
// prevent sigpipe on systems where MSG_NOSIGNAL is not available
#if defined(SO_NOSIGPIPE) && !defined(MSG_NOSIGNAL)
::setsockopt(socket_, SOL_SOCKET, SO_NOSIGPIPE, (char *)&enable_flag, sizeof(enable_flag));
#endif
#if !defined(SO_NOSIGPIPE) && !defined(MSG_NOSIGNAL)
#error "tcp_sink would raise SIGPIPE since niether SO_NOSIGPIPE nor MSG_NOSIGNAL are available"
#endif
}
// Send exactly n_bytes of the given data.
// On error close the connection and throw.
void send(const char *data, size_t n_bytes)
{
size_t bytes_sent = 0;
while (bytes_sent < n_bytes)
{
#if defined(MSG_NOSIGNAL)
const int send_flags = MSG_NOSIGNAL;
#else
const int send_flags = 0;
#endif
auto write_result = ::send(socket_, data + bytes_sent, n_bytes - bytes_sent, send_flags);
if (write_result < 0)
{
close();
throw_spdlog_ex("write(2) failed", errno);
}
if (write_result == 0) // (probably should not happen but in any case..)
{
break;
}
bytes_sent += static_cast<size_t>(write_result);
}
}
};
} // namespace details
} // namespace spdlog

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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#ifndef SPDLOG_HEADER_ONLY
#include <spdlog/details/thread_pool.h>
#endif
#include <spdlog/common.h>
#include <cassert>
namespace spdlog {
namespace details {
SPDLOG_INLINE thread_pool::thread_pool(size_t q_max_items, size_t threads_n, std::function<void()> on_thread_start)
: q_(q_max_items)
{
if (threads_n == 0 || threads_n > 1000)
{
throw_spdlog_ex("spdlog::thread_pool(): invalid threads_n param (valid "
"range is 1-1000)");
}
for (size_t i = 0; i < threads_n; i++)
{
threads_.emplace_back([this, on_thread_start] {
on_thread_start();
this->thread_pool::worker_loop_();
});
}
}
SPDLOG_INLINE thread_pool::thread_pool(size_t q_max_items, size_t threads_n)
: thread_pool(q_max_items, threads_n, [] {})
{}
// message all threads to terminate gracefully join them
SPDLOG_INLINE thread_pool::~thread_pool()
{
SPDLOG_TRY
{
for (size_t i = 0; i < threads_.size(); i++)
{
post_async_msg_(async_msg(async_msg_type::terminate), async_overflow_policy::block);
}
for (auto &t : threads_)
{
t.join();
}
}
SPDLOG_CATCH_ALL() {}
}
void SPDLOG_INLINE thread_pool::post_log(async_logger_ptr &&worker_ptr, const details::log_msg &msg, async_overflow_policy overflow_policy)
{
async_msg async_m(std::move(worker_ptr), async_msg_type::log, msg);
post_async_msg_(std::move(async_m), overflow_policy);
}
void SPDLOG_INLINE thread_pool::post_flush(async_logger_ptr &&worker_ptr, async_overflow_policy overflow_policy)
{
post_async_msg_(async_msg(std::move(worker_ptr), async_msg_type::flush), overflow_policy);
}
size_t SPDLOG_INLINE thread_pool::overrun_counter()
{
return q_.overrun_counter();
}
void SPDLOG_INLINE thread_pool::post_async_msg_(async_msg &&new_msg, async_overflow_policy overflow_policy)
{
if (overflow_policy == async_overflow_policy::block)
{
q_.enqueue(std::move(new_msg));
}
else
{
q_.enqueue_nowait(std::move(new_msg));
}
}
void SPDLOG_INLINE thread_pool::worker_loop_()
{
while (process_next_msg_()) {}
}
// process next message in the queue
// return true if this thread should still be active (while no terminate msg
// was received)
bool SPDLOG_INLINE thread_pool::process_next_msg_()
{
async_msg incoming_async_msg;
bool dequeued = q_.dequeue_for(incoming_async_msg, std::chrono::seconds(10));
if (!dequeued)
{
return true;
}
switch (incoming_async_msg.msg_type)
{
case async_msg_type::log: {
incoming_async_msg.worker_ptr->backend_sink_it_(incoming_async_msg);
return true;
}
case async_msg_type::flush: {
incoming_async_msg.worker_ptr->backend_flush_();
return true;
}
case async_msg_type::terminate: {
return false;
}
default: {
assert(false);
}
}
return true;
}
} // namespace details
} // namespace spdlog

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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#include <spdlog/details/log_msg_buffer.h>
#include <spdlog/details/mpmc_blocking_q.h>
#include <spdlog/details/os.h>
#include <chrono>
#include <memory>
#include <thread>
#include <vector>
#include <functional>
namespace spdlog {
class async_logger;
namespace details {
using async_logger_ptr = std::shared_ptr<spdlog::async_logger>;
enum class async_msg_type
{
log,
flush,
terminate
};
#include <spdlog/details/log_msg_buffer.h>
// Async msg to move to/from the queue
// Movable only. should never be copied
struct async_msg : log_msg_buffer
{
async_msg_type msg_type{async_msg_type::log};
async_logger_ptr worker_ptr;
async_msg() = default;
~async_msg() = default;
// should only be moved in or out of the queue..
async_msg(const async_msg &) = delete;
// support for vs2013 move
#if defined(_MSC_VER) && _MSC_VER <= 1800
async_msg(async_msg &&other)
: log_msg_buffer(std::move(other))
, msg_type(other.msg_type)
, worker_ptr(std::move(other.worker_ptr))
{}
async_msg &operator=(async_msg &&other)
{
*static_cast<log_msg_buffer *>(this) = std::move(other);
msg_type = other.msg_type;
worker_ptr = std::move(other.worker_ptr);
return *this;
}
#else // (_MSC_VER) && _MSC_VER <= 1800
async_msg(async_msg &&) = default;
async_msg &operator=(async_msg &&) = default;
#endif
// construct from log_msg with given type
async_msg(async_logger_ptr &&worker, async_msg_type the_type, const details::log_msg &m)
: log_msg_buffer{m}
, msg_type{the_type}
, worker_ptr{std::move(worker)}
{}
async_msg(async_logger_ptr &&worker, async_msg_type the_type)
: log_msg_buffer{}
, msg_type{the_type}
, worker_ptr{std::move(worker)}
{}
explicit async_msg(async_msg_type the_type)
: async_msg{nullptr, the_type}
{}
};
class SPDLOG_API thread_pool
{
public:
using item_type = async_msg;
using q_type = details::mpmc_blocking_queue<item_type>;
thread_pool(size_t q_max_items, size_t threads_n, std::function<void()> on_thread_start);
thread_pool(size_t q_max_items, size_t threads_n);
// message all threads to terminate gracefully join them
~thread_pool();
thread_pool(const thread_pool &) = delete;
thread_pool &operator=(thread_pool &&) = delete;
void post_log(async_logger_ptr &&worker_ptr, const details::log_msg &msg, async_overflow_policy overflow_policy);
void post_flush(async_logger_ptr &&worker_ptr, async_overflow_policy overflow_policy);
size_t overrun_counter();
private:
q_type q_;
std::vector<std::thread> threads_;
void post_async_msg_(async_msg &&new_msg, async_overflow_policy overflow_policy);
void worker_loop_();
// process next message in the queue
// return true if this thread should still be active (while no terminate msg
// was received)
bool process_next_msg_();
};
} // namespace details
} // namespace spdlog
#ifdef SPDLOG_HEADER_ONLY
#include "thread_pool-inl.h"
#endif

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#pragma once
#ifndef NOMINMAX
#define NOMINMAX // prevent windows redefining min/max
#endif
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
#include <windows.h>

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//
// Copyright(c) 2015 Gabi Melman.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
//
#pragma once
#include <cctype>
//
// Support for logging binary data as hex
// format flags:
// {:X} - print in uppercase.
// {:s} - don't separate each byte with space.
// {:p} - don't print the position on each line start.
// {:n} - don't split the output to lines.
// {:a} - show ASCII if :n is not set
//
// Examples:
//
// std::vector<char> v(200, 0x0b);
// logger->info("Some buffer {}", spdlog::to_hex(v));
// char buf[128];
// logger->info("Some buffer {:X}", spdlog::to_hex(std::begin(buf), std::end(buf)));
// logger->info("Some buffer {:X}", spdlog::to_hex(std::begin(buf), std::end(buf), 16));
namespace spdlog {
namespace details {
template<typename It>
class dump_info
{
public:
dump_info(It range_begin, It range_end, size_t size_per_line)
: begin_(range_begin)
, end_(range_end)
, size_per_line_(size_per_line)
{}
It begin() const
{
return begin_;
}
It end() const
{
return end_;
}
size_t size_per_line() const
{
return size_per_line_;
}
private:
It begin_, end_;
size_t size_per_line_;
};
} // namespace details
// create a dump_info that wraps the given container
template<typename Container>
inline details::dump_info<typename Container::const_iterator> to_hex(const Container &container, size_t size_per_line = 32)
{
static_assert(sizeof(typename Container::value_type) == 1, "sizeof(Container::value_type) != 1");
using Iter = typename Container::const_iterator;
return details::dump_info<Iter>(std::begin(container), std::end(container), size_per_line);
}
// create dump_info from ranges
template<typename It>
inline details::dump_info<It> to_hex(const It range_begin, const It range_end, size_t size_per_line = 32)
{
return details::dump_info<It>(range_begin, range_end, size_per_line);
}
} // namespace spdlog
namespace fmt {
template<typename T>
struct formatter<spdlog::details::dump_info<T>>
{
const char delimiter = ' ';
bool put_newlines = true;
bool put_delimiters = true;
bool use_uppercase = false;
bool put_positions = true; // position on start of each line
bool show_ascii = false;
// parse the format string flags
template<typename ParseContext>
auto parse(ParseContext &ctx) -> decltype(ctx.begin())
{
auto it = ctx.begin();
while (it != ctx.end() && *it != '}')
{
switch (*it)
{
case 'X':
use_uppercase = true;
break;
case 's':
put_delimiters = false;
break;
case 'p':
put_positions = false;
break;
case 'n':
put_newlines = false;
show_ascii = false;
break;
case 'a':
if (put_newlines)
{
show_ascii = true;
}
break;
}
++it;
}
return it;
}
// format the given bytes range as hex
template<typename FormatContext, typename Container>
auto format(const spdlog::details::dump_info<Container> &the_range, FormatContext &ctx) -> decltype(ctx.out())
{
SPDLOG_CONSTEXPR const char *hex_upper = "0123456789ABCDEF";
SPDLOG_CONSTEXPR const char *hex_lower = "0123456789abcdef";
const char *hex_chars = use_uppercase ? hex_upper : hex_lower;
#if FMT_VERSION < 60000
auto inserter = ctx.begin();
#else
auto inserter = ctx.out();
#endif
int size_per_line = static_cast<int>(the_range.size_per_line());
auto start_of_line = the_range.begin();
for (auto i = the_range.begin(); i != the_range.end(); i++)
{
auto ch = static_cast<unsigned char>(*i);
if (put_newlines && (i == the_range.begin() || i - start_of_line >= size_per_line))
{
if (show_ascii && i != the_range.begin())
{
*inserter++ = delimiter;
*inserter++ = delimiter;
for (auto j = start_of_line; j < i; j++)
{
auto pc = static_cast<unsigned char>(*j);
*inserter++ = std::isprint(pc) ? static_cast<char>(*j) : '.';
}
}
put_newline(inserter, static_cast<size_t>(i - the_range.begin()));
// put first byte without delimiter in front of it
*inserter++ = hex_chars[(ch >> 4) & 0x0f];
*inserter++ = hex_chars[ch & 0x0f];
start_of_line = i;
continue;
}
if (put_delimiters)
{
*inserter++ = delimiter;
}
*inserter++ = hex_chars[(ch >> 4) & 0x0f];
*inserter++ = hex_chars[ch & 0x0f];
}
if (show_ascii) // add ascii to last line
{
if (the_range.end() - the_range.begin() > size_per_line)
{
auto blank_num = size_per_line - (the_range.end() - start_of_line);
while (blank_num-- > 0)
{
*inserter++ = delimiter;
*inserter++ = delimiter;
if (put_delimiters)
{
*inserter++ = delimiter;
}
}
}
*inserter++ = delimiter;
*inserter++ = delimiter;
for (auto j = start_of_line; j != the_range.end(); j++)
{
auto pc = static_cast<unsigned char>(*j);
*inserter++ = std::isprint(pc) ? static_cast<char>(*j) : '.';
}
}
return inserter;
}
// put newline(and position header)
template<typename It>
void put_newline(It inserter, std::size_t pos)
{
#ifdef _WIN32
*inserter++ = '\r';
#endif
*inserter++ = '\n';
if (put_positions)
{
fmt::format_to(inserter, "{:<04X}: ", pos);
}
}
};
} // namespace fmt

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Copyright (c) 2012 - present, Victor Zverovich
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
--- Optional exception to the license ---
As an exception, if, as a result of your compiling your source code, portions
of this Software are embedded into a machine-executable object form of such
source code, you may redistribute such embedded portions in such object form
without including the above copyright and permission notices.

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// Formatting library for C++ - color support
//
// Copyright (c) 2018 - present, Victor Zverovich and fmt contributors
// All rights reserved.
//
// For the license information refer to format.h.
#ifndef FMT_COLOR_H_
#define FMT_COLOR_H_
#include "format.h"
FMT_BEGIN_NAMESPACE
enum class color : uint32_t {
alice_blue = 0xF0F8FF, // rgb(240,248,255)
antique_white = 0xFAEBD7, // rgb(250,235,215)
aqua = 0x00FFFF, // rgb(0,255,255)
aquamarine = 0x7FFFD4, // rgb(127,255,212)
azure = 0xF0FFFF, // rgb(240,255,255)
beige = 0xF5F5DC, // rgb(245,245,220)
bisque = 0xFFE4C4, // rgb(255,228,196)
black = 0x000000, // rgb(0,0,0)
blanched_almond = 0xFFEBCD, // rgb(255,235,205)
blue = 0x0000FF, // rgb(0,0,255)
blue_violet = 0x8A2BE2, // rgb(138,43,226)
brown = 0xA52A2A, // rgb(165,42,42)
burly_wood = 0xDEB887, // rgb(222,184,135)
cadet_blue = 0x5F9EA0, // rgb(95,158,160)
chartreuse = 0x7FFF00, // rgb(127,255,0)
chocolate = 0xD2691E, // rgb(210,105,30)
coral = 0xFF7F50, // rgb(255,127,80)
cornflower_blue = 0x6495ED, // rgb(100,149,237)
cornsilk = 0xFFF8DC, // rgb(255,248,220)
crimson = 0xDC143C, // rgb(220,20,60)
cyan = 0x00FFFF, // rgb(0,255,255)
dark_blue = 0x00008B, // rgb(0,0,139)
dark_cyan = 0x008B8B, // rgb(0,139,139)
dark_golden_rod = 0xB8860B, // rgb(184,134,11)
dark_gray = 0xA9A9A9, // rgb(169,169,169)
dark_green = 0x006400, // rgb(0,100,0)
dark_khaki = 0xBDB76B, // rgb(189,183,107)
dark_magenta = 0x8B008B, // rgb(139,0,139)
dark_olive_green = 0x556B2F, // rgb(85,107,47)
dark_orange = 0xFF8C00, // rgb(255,140,0)
dark_orchid = 0x9932CC, // rgb(153,50,204)
dark_red = 0x8B0000, // rgb(139,0,0)
dark_salmon = 0xE9967A, // rgb(233,150,122)
dark_sea_green = 0x8FBC8F, // rgb(143,188,143)
dark_slate_blue = 0x483D8B, // rgb(72,61,139)
dark_slate_gray = 0x2F4F4F, // rgb(47,79,79)
dark_turquoise = 0x00CED1, // rgb(0,206,209)
dark_violet = 0x9400D3, // rgb(148,0,211)
deep_pink = 0xFF1493, // rgb(255,20,147)
deep_sky_blue = 0x00BFFF, // rgb(0,191,255)
dim_gray = 0x696969, // rgb(105,105,105)
dodger_blue = 0x1E90FF, // rgb(30,144,255)
fire_brick = 0xB22222, // rgb(178,34,34)
floral_white = 0xFFFAF0, // rgb(255,250,240)
forest_green = 0x228B22, // rgb(34,139,34)
fuchsia = 0xFF00FF, // rgb(255,0,255)
gainsboro = 0xDCDCDC, // rgb(220,220,220)
ghost_white = 0xF8F8FF, // rgb(248,248,255)
gold = 0xFFD700, // rgb(255,215,0)
golden_rod = 0xDAA520, // rgb(218,165,32)
gray = 0x808080, // rgb(128,128,128)
green = 0x008000, // rgb(0,128,0)
green_yellow = 0xADFF2F, // rgb(173,255,47)
honey_dew = 0xF0FFF0, // rgb(240,255,240)
hot_pink = 0xFF69B4, // rgb(255,105,180)
indian_red = 0xCD5C5C, // rgb(205,92,92)
indigo = 0x4B0082, // rgb(75,0,130)
ivory = 0xFFFFF0, // rgb(255,255,240)
khaki = 0xF0E68C, // rgb(240,230,140)
lavender = 0xE6E6FA, // rgb(230,230,250)
lavender_blush = 0xFFF0F5, // rgb(255,240,245)
lawn_green = 0x7CFC00, // rgb(124,252,0)
lemon_chiffon = 0xFFFACD, // rgb(255,250,205)
light_blue = 0xADD8E6, // rgb(173,216,230)
light_coral = 0xF08080, // rgb(240,128,128)
light_cyan = 0xE0FFFF, // rgb(224,255,255)
light_golden_rod_yellow = 0xFAFAD2, // rgb(250,250,210)
light_gray = 0xD3D3D3, // rgb(211,211,211)
light_green = 0x90EE90, // rgb(144,238,144)
light_pink = 0xFFB6C1, // rgb(255,182,193)
light_salmon = 0xFFA07A, // rgb(255,160,122)
light_sea_green = 0x20B2AA, // rgb(32,178,170)
light_sky_blue = 0x87CEFA, // rgb(135,206,250)
light_slate_gray = 0x778899, // rgb(119,136,153)
light_steel_blue = 0xB0C4DE, // rgb(176,196,222)
light_yellow = 0xFFFFE0, // rgb(255,255,224)
lime = 0x00FF00, // rgb(0,255,0)
lime_green = 0x32CD32, // rgb(50,205,50)
linen = 0xFAF0E6, // rgb(250,240,230)
magenta = 0xFF00FF, // rgb(255,0,255)
maroon = 0x800000, // rgb(128,0,0)
medium_aquamarine = 0x66CDAA, // rgb(102,205,170)
medium_blue = 0x0000CD, // rgb(0,0,205)
medium_orchid = 0xBA55D3, // rgb(186,85,211)
medium_purple = 0x9370DB, // rgb(147,112,219)
medium_sea_green = 0x3CB371, // rgb(60,179,113)
medium_slate_blue = 0x7B68EE, // rgb(123,104,238)
medium_spring_green = 0x00FA9A, // rgb(0,250,154)
medium_turquoise = 0x48D1CC, // rgb(72,209,204)
medium_violet_red = 0xC71585, // rgb(199,21,133)
midnight_blue = 0x191970, // rgb(25,25,112)
mint_cream = 0xF5FFFA, // rgb(245,255,250)
misty_rose = 0xFFE4E1, // rgb(255,228,225)
moccasin = 0xFFE4B5, // rgb(255,228,181)
navajo_white = 0xFFDEAD, // rgb(255,222,173)
navy = 0x000080, // rgb(0,0,128)
old_lace = 0xFDF5E6, // rgb(253,245,230)
olive = 0x808000, // rgb(128,128,0)
olive_drab = 0x6B8E23, // rgb(107,142,35)
orange = 0xFFA500, // rgb(255,165,0)
orange_red = 0xFF4500, // rgb(255,69,0)
orchid = 0xDA70D6, // rgb(218,112,214)
pale_golden_rod = 0xEEE8AA, // rgb(238,232,170)
pale_green = 0x98FB98, // rgb(152,251,152)
pale_turquoise = 0xAFEEEE, // rgb(175,238,238)
pale_violet_red = 0xDB7093, // rgb(219,112,147)
papaya_whip = 0xFFEFD5, // rgb(255,239,213)
peach_puff = 0xFFDAB9, // rgb(255,218,185)
peru = 0xCD853F, // rgb(205,133,63)
pink = 0xFFC0CB, // rgb(255,192,203)
plum = 0xDDA0DD, // rgb(221,160,221)
powder_blue = 0xB0E0E6, // rgb(176,224,230)
purple = 0x800080, // rgb(128,0,128)
rebecca_purple = 0x663399, // rgb(102,51,153)
red = 0xFF0000, // rgb(255,0,0)
rosy_brown = 0xBC8F8F, // rgb(188,143,143)
royal_blue = 0x4169E1, // rgb(65,105,225)
saddle_brown = 0x8B4513, // rgb(139,69,19)
salmon = 0xFA8072, // rgb(250,128,114)
sandy_brown = 0xF4A460, // rgb(244,164,96)
sea_green = 0x2E8B57, // rgb(46,139,87)
sea_shell = 0xFFF5EE, // rgb(255,245,238)
sienna = 0xA0522D, // rgb(160,82,45)
silver = 0xC0C0C0, // rgb(192,192,192)
sky_blue = 0x87CEEB, // rgb(135,206,235)
slate_blue = 0x6A5ACD, // rgb(106,90,205)
slate_gray = 0x708090, // rgb(112,128,144)
snow = 0xFFFAFA, // rgb(255,250,250)
spring_green = 0x00FF7F, // rgb(0,255,127)
steel_blue = 0x4682B4, // rgb(70,130,180)
tan = 0xD2B48C, // rgb(210,180,140)
teal = 0x008080, // rgb(0,128,128)
thistle = 0xD8BFD8, // rgb(216,191,216)
tomato = 0xFF6347, // rgb(255,99,71)
turquoise = 0x40E0D0, // rgb(64,224,208)
violet = 0xEE82EE, // rgb(238,130,238)
wheat = 0xF5DEB3, // rgb(245,222,179)
white = 0xFFFFFF, // rgb(255,255,255)
white_smoke = 0xF5F5F5, // rgb(245,245,245)
yellow = 0xFFFF00, // rgb(255,255,0)
yellow_green = 0x9ACD32 // rgb(154,205,50)
}; // enum class color
enum class terminal_color : uint8_t {
black = 30,
red,
green,
yellow,
blue,
magenta,
cyan,
white,
bright_black = 90,
bright_red,
bright_green,
bright_yellow,
bright_blue,
bright_magenta,
bright_cyan,
bright_white
};
enum class emphasis : uint8_t {
bold = 1,
italic = 1 << 1,
underline = 1 << 2,
strikethrough = 1 << 3
};
// rgb is a struct for red, green and blue colors.
// Using the name "rgb" makes some editors show the color in a tooltip.
struct rgb {
FMT_CONSTEXPR rgb() : r(0), g(0), b(0) {}
FMT_CONSTEXPR rgb(uint8_t r_, uint8_t g_, uint8_t b_) : r(r_), g(g_), b(b_) {}
FMT_CONSTEXPR rgb(uint32_t hex)
: r((hex >> 16) & 0xFF), g((hex >> 8) & 0xFF), b(hex & 0xFF) {}
FMT_CONSTEXPR rgb(color hex)
: r((uint32_t(hex) >> 16) & 0xFF),
g((uint32_t(hex) >> 8) & 0xFF),
b(uint32_t(hex) & 0xFF) {}
uint8_t r;
uint8_t g;
uint8_t b;
};
namespace internal {
// color is a struct of either a rgb color or a terminal color.
struct color_type {
FMT_CONSTEXPR color_type() FMT_NOEXCEPT : is_rgb(), value{} {}
FMT_CONSTEXPR color_type(color rgb_color) FMT_NOEXCEPT : is_rgb(true),
value{} {
value.rgb_color = static_cast<uint32_t>(rgb_color);
}
FMT_CONSTEXPR color_type(rgb rgb_color) FMT_NOEXCEPT : is_rgb(true), value{} {
value.rgb_color = (static_cast<uint32_t>(rgb_color.r) << 16) |
(static_cast<uint32_t>(rgb_color.g) << 8) | rgb_color.b;
}
FMT_CONSTEXPR color_type(terminal_color term_color) FMT_NOEXCEPT : is_rgb(),
value{} {
value.term_color = static_cast<uint8_t>(term_color);
}
bool is_rgb;
union color_union {
uint8_t term_color;
uint32_t rgb_color;
} value;
};
} // namespace internal
// Experimental text formatting support.
class text_style {
public:
FMT_CONSTEXPR text_style(emphasis em = emphasis()) FMT_NOEXCEPT
: set_foreground_color(),
set_background_color(),
ems(em) {}
FMT_CONSTEXPR text_style& operator|=(const text_style& rhs) {
if (!set_foreground_color) {
set_foreground_color = rhs.set_foreground_color;
foreground_color = rhs.foreground_color;
} else if (rhs.set_foreground_color) {
if (!foreground_color.is_rgb || !rhs.foreground_color.is_rgb)
FMT_THROW(format_error("can't OR a terminal color"));
foreground_color.value.rgb_color |= rhs.foreground_color.value.rgb_color;
}
if (!set_background_color) {
set_background_color = rhs.set_background_color;
background_color = rhs.background_color;
} else if (rhs.set_background_color) {
if (!background_color.is_rgb || !rhs.background_color.is_rgb)
FMT_THROW(format_error("can't OR a terminal color"));
background_color.value.rgb_color |= rhs.background_color.value.rgb_color;
}
ems = static_cast<emphasis>(static_cast<uint8_t>(ems) |
static_cast<uint8_t>(rhs.ems));
return *this;
}
friend FMT_CONSTEXPR text_style operator|(text_style lhs,
const text_style& rhs) {
return lhs |= rhs;
}
FMT_CONSTEXPR text_style& operator&=(const text_style& rhs) {
if (!set_foreground_color) {
set_foreground_color = rhs.set_foreground_color;
foreground_color = rhs.foreground_color;
} else if (rhs.set_foreground_color) {
if (!foreground_color.is_rgb || !rhs.foreground_color.is_rgb)
FMT_THROW(format_error("can't AND a terminal color"));
foreground_color.value.rgb_color &= rhs.foreground_color.value.rgb_color;
}
if (!set_background_color) {
set_background_color = rhs.set_background_color;
background_color = rhs.background_color;
} else if (rhs.set_background_color) {
if (!background_color.is_rgb || !rhs.background_color.is_rgb)
FMT_THROW(format_error("can't AND a terminal color"));
background_color.value.rgb_color &= rhs.background_color.value.rgb_color;
}
ems = static_cast<emphasis>(static_cast<uint8_t>(ems) &
static_cast<uint8_t>(rhs.ems));
return *this;
}
friend FMT_CONSTEXPR text_style operator&(text_style lhs,
const text_style& rhs) {
return lhs &= rhs;
}
FMT_CONSTEXPR bool has_foreground() const FMT_NOEXCEPT {
return set_foreground_color;
}
FMT_CONSTEXPR bool has_background() const FMT_NOEXCEPT {
return set_background_color;
}
FMT_CONSTEXPR bool has_emphasis() const FMT_NOEXCEPT {
return static_cast<uint8_t>(ems) != 0;
}
FMT_CONSTEXPR internal::color_type get_foreground() const FMT_NOEXCEPT {
FMT_ASSERT(has_foreground(), "no foreground specified for this style");
return foreground_color;
}
FMT_CONSTEXPR internal::color_type get_background() const FMT_NOEXCEPT {
FMT_ASSERT(has_background(), "no background specified for this style");
return background_color;
}
FMT_CONSTEXPR emphasis get_emphasis() const FMT_NOEXCEPT {
FMT_ASSERT(has_emphasis(), "no emphasis specified for this style");
return ems;
}
private:
FMT_CONSTEXPR text_style(bool is_foreground,
internal::color_type text_color) FMT_NOEXCEPT
: set_foreground_color(),
set_background_color(),
ems() {
if (is_foreground) {
foreground_color = text_color;
set_foreground_color = true;
} else {
background_color = text_color;
set_background_color = true;
}
}
friend FMT_CONSTEXPR_DECL text_style fg(internal::color_type foreground)
FMT_NOEXCEPT;
friend FMT_CONSTEXPR_DECL text_style bg(internal::color_type background)
FMT_NOEXCEPT;
internal::color_type foreground_color;
internal::color_type background_color;
bool set_foreground_color;
bool set_background_color;
emphasis ems;
};
FMT_CONSTEXPR text_style fg(internal::color_type foreground) FMT_NOEXCEPT {
return text_style(/*is_foreground=*/true, foreground);
}
FMT_CONSTEXPR text_style bg(internal::color_type background) FMT_NOEXCEPT {
return text_style(/*is_foreground=*/false, background);
}
FMT_CONSTEXPR text_style operator|(emphasis lhs, emphasis rhs) FMT_NOEXCEPT {
return text_style(lhs) | rhs;
}
namespace internal {
template <typename Char> struct ansi_color_escape {
FMT_CONSTEXPR ansi_color_escape(internal::color_type text_color,
const char* esc) FMT_NOEXCEPT {
// If we have a terminal color, we need to output another escape code
// sequence.
if (!text_color.is_rgb) {
bool is_background = esc == internal::data::background_color;
uint32_t value = text_color.value.term_color;
// Background ASCII codes are the same as the foreground ones but with
// 10 more.
if (is_background) value += 10u;
std::size_t index = 0;
buffer[index++] = static_cast<Char>('\x1b');
buffer[index++] = static_cast<Char>('[');
if (value >= 100u) {
buffer[index++] = static_cast<Char>('1');
value %= 100u;
}
buffer[index++] = static_cast<Char>('0' + value / 10u);
buffer[index++] = static_cast<Char>('0' + value % 10u);
buffer[index++] = static_cast<Char>('m');
buffer[index++] = static_cast<Char>('\0');
return;
}
for (int i = 0; i < 7; i++) {
buffer[i] = static_cast<Char>(esc[i]);
}
rgb color(text_color.value.rgb_color);
to_esc(color.r, buffer + 7, ';');
to_esc(color.g, buffer + 11, ';');
to_esc(color.b, buffer + 15, 'm');
buffer[19] = static_cast<Char>(0);
}
FMT_CONSTEXPR ansi_color_escape(emphasis em) FMT_NOEXCEPT {
uint8_t em_codes[4] = {};
uint8_t em_bits = static_cast<uint8_t>(em);
if (em_bits & static_cast<uint8_t>(emphasis::bold)) em_codes[0] = 1;
if (em_bits & static_cast<uint8_t>(emphasis::italic)) em_codes[1] = 3;
if (em_bits & static_cast<uint8_t>(emphasis::underline)) em_codes[2] = 4;
if (em_bits & static_cast<uint8_t>(emphasis::strikethrough))
em_codes[3] = 9;
std::size_t index = 0;
for (int i = 0; i < 4; ++i) {
if (!em_codes[i]) continue;
buffer[index++] = static_cast<Char>('\x1b');
buffer[index++] = static_cast<Char>('[');
buffer[index++] = static_cast<Char>('0' + em_codes[i]);
buffer[index++] = static_cast<Char>('m');
}
buffer[index++] = static_cast<Char>(0);
}
FMT_CONSTEXPR operator const Char*() const FMT_NOEXCEPT { return buffer; }
FMT_CONSTEXPR const Char* begin() const FMT_NOEXCEPT { return buffer; }
FMT_CONSTEXPR const Char* end() const FMT_NOEXCEPT {
return buffer + std::char_traits<Char>::length(buffer);
}
private:
Char buffer[7u + 3u * 4u + 1u];
static FMT_CONSTEXPR void to_esc(uint8_t c, Char* out,
char delimiter) FMT_NOEXCEPT {
out[0] = static_cast<Char>('0' + c / 100);
out[1] = static_cast<Char>('0' + c / 10 % 10);
out[2] = static_cast<Char>('0' + c % 10);
out[3] = static_cast<Char>(delimiter);
}
};
template <typename Char>
FMT_CONSTEXPR ansi_color_escape<Char> make_foreground_color(
internal::color_type foreground) FMT_NOEXCEPT {
return ansi_color_escape<Char>(foreground, internal::data::foreground_color);
}
template <typename Char>
FMT_CONSTEXPR ansi_color_escape<Char> make_background_color(
internal::color_type background) FMT_NOEXCEPT {
return ansi_color_escape<Char>(background, internal::data::background_color);
}
template <typename Char>
FMT_CONSTEXPR ansi_color_escape<Char> make_emphasis(emphasis em) FMT_NOEXCEPT {
return ansi_color_escape<Char>(em);
}
template <typename Char>
inline void fputs(const Char* chars, FILE* stream) FMT_NOEXCEPT {
std::fputs(chars, stream);
}
template <>
inline void fputs<wchar_t>(const wchar_t* chars, FILE* stream) FMT_NOEXCEPT {
std::fputws(chars, stream);
}
template <typename Char> inline void reset_color(FILE* stream) FMT_NOEXCEPT {
fputs(internal::data::reset_color, stream);
}
template <> inline void reset_color<wchar_t>(FILE* stream) FMT_NOEXCEPT {
fputs(internal::data::wreset_color, stream);
}
template <typename Char>
inline void reset_color(basic_memory_buffer<Char>& buffer) FMT_NOEXCEPT {
const char* begin = data::reset_color;
const char* end = begin + sizeof(data::reset_color) - 1;
buffer.append(begin, end);
}
template <typename Char>
void vformat_to(basic_memory_buffer<Char>& buf, const text_style& ts,
basic_string_view<Char> format_str,
basic_format_args<buffer_context<Char>> args) {
bool has_style = false;
if (ts.has_emphasis()) {
has_style = true;
auto emphasis = internal::make_emphasis<Char>(ts.get_emphasis());
buf.append(emphasis.begin(), emphasis.end());
}
if (ts.has_foreground()) {
has_style = true;
auto foreground =
internal::make_foreground_color<Char>(ts.get_foreground());
buf.append(foreground.begin(), foreground.end());
}
if (ts.has_background()) {
has_style = true;
auto background =
internal::make_background_color<Char>(ts.get_background());
buf.append(background.begin(), background.end());
}
internal::vformat_to(buf, format_str, args);
if (has_style) internal::reset_color<Char>(buf);
}
} // namespace internal
template <typename S, typename Char = char_t<S>>
void vprint(std::FILE* f, const text_style& ts, const S& format,
basic_format_args<buffer_context<Char>> args) {
basic_memory_buffer<Char> buf;
internal::vformat_to(buf, ts, to_string_view(format), args);
buf.push_back(Char(0));
internal::fputs(buf.data(), f);
}
/**
Formats a string and prints it to the specified file stream using ANSI
escape sequences to specify text formatting.
Example:
fmt::print(fmt::emphasis::bold | fg(fmt::color::red),
"Elapsed time: {0:.2f} seconds", 1.23);
*/
template <typename S, typename... Args,
FMT_ENABLE_IF(internal::is_string<S>::value)>
void print(std::FILE* f, const text_style& ts, const S& format_str,
const Args&... args) {
internal::check_format_string<Args...>(format_str);
using context = buffer_context<char_t<S>>;
format_arg_store<context, Args...> as{args...};
vprint(f, ts, format_str, basic_format_args<context>(as));
}
/**
Formats a string and prints it to stdout using ANSI escape sequences to
specify text formatting.
Example:
fmt::print(fmt::emphasis::bold | fg(fmt::color::red),
"Elapsed time: {0:.2f} seconds", 1.23);
*/
template <typename S, typename... Args,
FMT_ENABLE_IF(internal::is_string<S>::value)>
void print(const text_style& ts, const S& format_str, const Args&... args) {
return print(stdout, ts, format_str, args...);
}
template <typename S, typename Char = char_t<S>>
inline std::basic_string<Char> vformat(
const text_style& ts, const S& format_str,
basic_format_args<buffer_context<type_identity_t<Char>>> args) {
basic_memory_buffer<Char> buf;
internal::vformat_to(buf, ts, to_string_view(format_str), args);
return fmt::to_string(buf);
}
/**
\rst
Formats arguments and returns the result as a string using ANSI
escape sequences to specify text formatting.
**Example**::
#include <fmt/color.h>
std::string message = fmt::format(fmt::emphasis::bold | fg(fmt::color::red),
"The answer is {}", 42);
\endrst
*/
template <typename S, typename... Args, typename Char = char_t<S>>
inline std::basic_string<Char> format(const text_style& ts, const S& format_str,
const Args&... args) {
return vformat(ts, to_string_view(format_str),
internal::make_args_checked<Args...>(format_str, args...));
}
FMT_END_NAMESPACE
#endif // FMT_COLOR_H_

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core/src/spdlog/fmt/bundled/compile.h
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@ -1,595 +0,0 @@
// Formatting library for C++ - experimental format string compilation
//
// Copyright (c) 2012 - present, Victor Zverovich and fmt contributors
// All rights reserved.
//
// For the license information refer to format.h.
#ifndef FMT_COMPILE_H_
#define FMT_COMPILE_H_
#include <vector>
#include "format.h"
FMT_BEGIN_NAMESPACE
namespace internal {
// Part of a compiled format string. It can be either literal text or a
// replacement field.
template <typename Char> struct format_part {
enum class kind { arg_index, arg_name, text, replacement };
struct replacement {
arg_ref<Char> arg_id;
dynamic_format_specs<Char> specs;
};
kind part_kind;
union value {
int arg_index;
basic_string_view<Char> str;
replacement repl;
FMT_CONSTEXPR value(int index = 0) : arg_index(index) {}
FMT_CONSTEXPR value(basic_string_view<Char> s) : str(s) {}
FMT_CONSTEXPR value(replacement r) : repl(r) {}
} val;
// Position past the end of the argument id.
const Char* arg_id_end = nullptr;
FMT_CONSTEXPR format_part(kind k = kind::arg_index, value v = {})
: part_kind(k), val(v) {}
static FMT_CONSTEXPR format_part make_arg_index(int index) {
return format_part(kind::arg_index, index);
}
static FMT_CONSTEXPR format_part make_arg_name(basic_string_view<Char> name) {
return format_part(kind::arg_name, name);
}
static FMT_CONSTEXPR format_part make_text(basic_string_view<Char> text) {
return format_part(kind::text, text);
}
static FMT_CONSTEXPR format_part make_replacement(replacement repl) {
return format_part(kind::replacement, repl);
}
};
template <typename Char> struct part_counter {
unsigned num_parts = 0;
FMT_CONSTEXPR void on_text(const Char* begin, const Char* end) {
if (begin != end) ++num_parts;
}
FMT_CONSTEXPR void on_arg_id() { ++num_parts; }
FMT_CONSTEXPR void on_arg_id(int) { ++num_parts; }
FMT_CONSTEXPR void on_arg_id(basic_string_view<Char>) { ++num_parts; }
FMT_CONSTEXPR void on_replacement_field(const Char*) {}
FMT_CONSTEXPR const Char* on_format_specs(const Char* begin,
const Char* end) {
// Find the matching brace.
unsigned brace_counter = 0;
for (; begin != end; ++begin) {
if (*begin == '{') {
++brace_counter;
} else if (*begin == '}') {
if (brace_counter == 0u) break;
--brace_counter;
}
}
return begin;
}
FMT_CONSTEXPR void on_error(const char*) {}
};
// Counts the number of parts in a format string.
template <typename Char>
FMT_CONSTEXPR unsigned count_parts(basic_string_view<Char> format_str) {
part_counter<Char> counter;
parse_format_string<true>(format_str, counter);
return counter.num_parts;
}
template <typename Char, typename PartHandler>
class format_string_compiler : public error_handler {
private:
using part = format_part<Char>;
PartHandler handler_;
part part_;
basic_string_view<Char> format_str_;
basic_format_parse_context<Char> parse_context_;
public:
FMT_CONSTEXPR format_string_compiler(basic_string_view<Char> format_str,
PartHandler handler)
: handler_(handler),
format_str_(format_str),
parse_context_(format_str) {}
FMT_CONSTEXPR void on_text(const Char* begin, const Char* end) {
if (begin != end)
handler_(part::make_text({begin, to_unsigned(end - begin)}));
}
FMT_CONSTEXPR void on_arg_id() {
part_ = part::make_arg_index(parse_context_.next_arg_id());
}
FMT_CONSTEXPR void on_arg_id(int id) {
parse_context_.check_arg_id(id);
part_ = part::make_arg_index(id);
}
FMT_CONSTEXPR void on_arg_id(basic_string_view<Char> id) {
part_ = part::make_arg_name(id);
}
FMT_CONSTEXPR void on_replacement_field(const Char* ptr) {
part_.arg_id_end = ptr;
handler_(part_);
}
FMT_CONSTEXPR const Char* on_format_specs(const Char* begin,
const Char* end) {
auto repl = typename part::replacement();
dynamic_specs_handler<basic_format_parse_context<Char>> handler(
repl.specs, parse_context_);
auto it = parse_format_specs(begin, end, handler);
if (*it != '}') on_error("missing '}' in format string");
repl.arg_id = part_.part_kind == part::kind::arg_index
? arg_ref<Char>(part_.val.arg_index)
: arg_ref<Char>(part_.val.str);
auto part = part::make_replacement(repl);
part.arg_id_end = begin;
handler_(part);
return it;
}
};
// Compiles a format string and invokes handler(part) for each parsed part.
template <bool IS_CONSTEXPR, typename Char, typename PartHandler>
FMT_CONSTEXPR void compile_format_string(basic_string_view<Char> format_str,
PartHandler handler) {
parse_format_string<IS_CONSTEXPR>(
format_str,
format_string_compiler<Char, PartHandler>(format_str, handler));
}
template <typename Range, typename Context, typename Id>
void format_arg(
basic_format_parse_context<typename Range::value_type>& parse_ctx,
Context& ctx, Id arg_id) {
ctx.advance_to(
visit_format_arg(arg_formatter<Range>(ctx, &parse_ctx), ctx.arg(arg_id)));
}
// vformat_to is defined in a subnamespace to prevent ADL.
namespace cf {
template <typename Context, typename Range, typename CompiledFormat>
auto vformat_to(Range out, CompiledFormat& cf, basic_format_args<Context> args)
-> typename Context::iterator {
using char_type = typename Context::char_type;
basic_format_parse_context<char_type> parse_ctx(
to_string_view(cf.format_str_));
Context ctx(out.begin(), args);
const auto& parts = cf.parts();
for (auto part_it = std::begin(parts); part_it != std::end(parts);
++part_it) {
const auto& part = *part_it;
const auto& value = part.val;
using format_part_t = format_part<char_type>;
switch (part.part_kind) {
case format_part_t::kind::text: {
const auto text = value.str;
auto output = ctx.out();
auto&& it = reserve(output, text.size());
it = std::copy_n(text.begin(), text.size(), it);
ctx.advance_to(output);
break;
}
case format_part_t::kind::arg_index:
advance_to(parse_ctx, part.arg_id_end);
internal::format_arg<Range>(parse_ctx, ctx, value.arg_index);
break;
case format_part_t::kind::arg_name:
advance_to(parse_ctx, part.arg_id_end);
internal::format_arg<Range>(parse_ctx, ctx, value.str);
break;
case format_part_t::kind::replacement: {
const auto& arg_id_value = value.repl.arg_id.val;
const auto arg = value.repl.arg_id.kind == arg_id_kind::index
? ctx.arg(arg_id_value.index)
: ctx.arg(arg_id_value.name);
auto specs = value.repl.specs;
handle_dynamic_spec<width_checker>(specs.width, specs.width_ref, ctx);
handle_dynamic_spec<precision_checker>(specs.precision,
specs.precision_ref, ctx);
error_handler h;
numeric_specs_checker<error_handler> checker(h, arg.type());
if (specs.align == align::numeric) checker.require_numeric_argument();
if (specs.sign != sign::none) checker.check_sign();
if (specs.alt) checker.require_numeric_argument();
if (specs.precision >= 0) checker.check_precision();
advance_to(parse_ctx, part.arg_id_end);
ctx.advance_to(
visit_format_arg(arg_formatter<Range>(ctx, nullptr, &specs), arg));
break;
}
}
}
return ctx.out();
}
} // namespace cf
struct basic_compiled_format {};
template <typename S, typename = void>
struct compiled_format_base : basic_compiled_format {
using char_type = char_t<S>;
using parts_container = std::vector<internal::format_part<char_type>>;
parts_container compiled_parts;
explicit compiled_format_base(basic_string_view<char_type> format_str) {
compile_format_string<false>(format_str,
[this](const format_part<char_type>& part) {
compiled_parts.push_back(part);
});
}
const parts_container& parts() const { return compiled_parts; }
};
template <typename Char, unsigned N> struct format_part_array {
format_part<Char> data[N] = {};
FMT_CONSTEXPR format_part_array() = default;
};
template <typename Char, unsigned N>
FMT_CONSTEXPR format_part_array<Char, N> compile_to_parts(
basic_string_view<Char> format_str) {
format_part_array<Char, N> parts;
unsigned counter = 0;
// This is not a lambda for compatibility with older compilers.
struct {
format_part<Char>* parts;
unsigned* counter;
FMT_CONSTEXPR void operator()(const format_part<Char>& part) {
parts[(*counter)++] = part;
}
} collector{parts.data, &counter};
compile_format_string<true>(format_str, collector);
if (counter < N) {
parts.data[counter] =
format_part<Char>::make_text(basic_string_view<Char>());
}
return parts;
}
template <typename T> constexpr const T& constexpr_max(const T& a, const T& b) {
return (a < b) ? b : a;
}
template <typename S>
struct compiled_format_base<S, enable_if_t<is_compile_string<S>::value>>
: basic_compiled_format {
using char_type = char_t<S>;
FMT_CONSTEXPR explicit compiled_format_base(basic_string_view<char_type>) {}
// Workaround for old compilers. Format string compilation will not be
// performed there anyway.
#if FMT_USE_CONSTEXPR
static FMT_CONSTEXPR_DECL const unsigned num_format_parts =
constexpr_max(count_parts(to_string_view(S())), 1u);
#else
static const unsigned num_format_parts = 1;
#endif
using parts_container = format_part<char_type>[num_format_parts];
const parts_container& parts() const {
static FMT_CONSTEXPR_DECL const auto compiled_parts =
compile_to_parts<char_type, num_format_parts>(
internal::to_string_view(S()));
return compiled_parts.data;
}
};
template <typename S, typename... Args>
class compiled_format : private compiled_format_base<S> {
public:
using typename compiled_format_base<S>::char_type;
private:
basic_string_view<char_type> format_str_;
template <typename Context, typename Range, typename CompiledFormat>
friend auto cf::vformat_to(Range out, CompiledFormat& cf,
basic_format_args<Context> args) ->
typename Context::iterator;
public:
compiled_format() = delete;
explicit constexpr compiled_format(basic_string_view<char_type> format_str)
: compiled_format_base<S>(format_str), format_str_(format_str) {}
};
#ifdef __cpp_if_constexpr
template <typename... Args> struct type_list {};
// Returns a reference to the argument at index N from [first, rest...].
template <int N, typename T, typename... Args>
constexpr const auto& get(const T& first, const Args&... rest) {
static_assert(N < 1 + sizeof...(Args), "index is out of bounds");
if constexpr (N == 0)
return first;
else
return get<N - 1>(rest...);
}
template <int N, typename> struct get_type_impl;
template <int N, typename... Args> struct get_type_impl<N, type_list<Args...>> {
using type = remove_cvref_t<decltype(get<N>(std::declval<Args>()...))>;
};
template <int N, typename T>
using get_type = typename get_type_impl<N, T>::type;
template <typename T> struct is_compiled_format : std::false_type {};
template <typename Char> struct text {
basic_string_view<Char> data;
using char_type = Char;
template <typename OutputIt, typename... Args>
OutputIt format(OutputIt out, const Args&...) const {
// TODO: reserve
return copy_str<Char>(data.begin(), data.end(), out);
}
};
template <typename Char>
struct is_compiled_format<text<Char>> : std::true_type {};
template <typename Char>
constexpr text<Char> make_text(basic_string_view<Char> s, size_t pos,
size_t size) {
return {{&s[pos], size}};
}
template <typename Char, typename OutputIt, typename T,
std::enable_if_t<std::is_integral_v<T>, int> = 0>
OutputIt format_default(OutputIt out, T value) {
// TODO: reserve
format_int fi(value);
return std::copy(fi.data(), fi.data() + fi.size(), out);
}
template <typename Char, typename OutputIt>
OutputIt format_default(OutputIt out, double value) {
writer w(out);
w.write(value);
return w.out();
}
template <typename Char, typename OutputIt>
OutputIt format_default(OutputIt out, Char value) {
*out++ = value;
return out;
}
template <typename Char, typename OutputIt>
OutputIt format_default(OutputIt out, const Char* value) {
auto length = std::char_traits<Char>::length(value);
return copy_str<Char>(value, value + length, out);
}
// A replacement field that refers to argument N.
template <typename Char, typename T, int N> struct field {
using char_type = Char;
template <typename OutputIt, typename... Args>
OutputIt format(OutputIt out, const Args&... args) const {
// This ensures that the argument type is convertile to `const T&`.
const T& arg = get<N>(args...);
return format_default<Char>(out, arg);
}
};
template <typename Char, typename T, int N>
struct is_compiled_format<field<Char, T, N>> : std::true_type {};
template <typename L, typename R> struct concat {
L lhs;
R rhs;
using char_type = typename L::char_type;
template <typename OutputIt, typename... Args>
OutputIt format(OutputIt out, const Args&... args) const {
out = lhs.format(out, args...);
return rhs.format(out, args...);
}
};
template <typename L, typename R>
struct is_compiled_format<concat<L, R>> : std::true_type {};
template <typename L, typename R>
constexpr concat<L, R> make_concat(L lhs, R rhs) {
return {lhs, rhs};
}
struct unknown_format {};
template <typename Char>
constexpr size_t parse_text(basic_string_view<Char> str, size_t pos) {
for (size_t size = str.size(); pos != size; ++pos) {
if (str[pos] == '{' || str[pos] == '}') break;
}
return pos;
}
template <typename Args, size_t POS, int ID, typename S>
constexpr auto compile_format_string(S format_str);
template <typename Args, size_t POS, int ID, typename T, typename S>
constexpr auto parse_tail(T head, S format_str) {
if constexpr (POS != to_string_view(format_str).size()) {
constexpr auto tail = compile_format_string<Args, POS, ID>(format_str);
if constexpr (std::is_same<remove_cvref_t<decltype(tail)>,
unknown_format>())
return tail;
else
return make_concat(head, tail);
} else {
return head;
}
}
// Compiles a non-empty format string and returns the compiled representation
// or unknown_format() on unrecognized input.
template <typename Args, size_t POS, int ID, typename S>
constexpr auto compile_format_string(S format_str) {
using char_type = typename S::char_type;
constexpr basic_string_view<char_type> str = format_str;
if constexpr (str[POS] == '{') {
if (POS + 1 == str.size())
throw format_error("unmatched '{' in format string");
if constexpr (str[POS + 1] == '{') {
return parse_tail<Args, POS + 2, ID>(make_text(str, POS, 1), format_str);
} else if constexpr (str[POS + 1] == '}') {
using type = get_type<ID, Args>;
if constexpr (std::is_same<type, int>::value) {
return parse_tail<Args, POS + 2, ID + 1>(field<char_type, type, ID>(),
format_str);
} else {
return unknown_format();
}
} else {
return unknown_format();
}
} else if constexpr (str[POS] == '}') {
if (POS + 1 == str.size())
throw format_error("unmatched '}' in format string");
return parse_tail<Args, POS + 2, ID>(make_text(str, POS, 1), format_str);
} else {
constexpr auto end = parse_text(str, POS + 1);
return parse_tail<Args, end, ID>(make_text(str, POS, end - POS),
format_str);
}
}
#endif // __cpp_if_constexpr
} // namespace internal
#if FMT_USE_CONSTEXPR
# ifdef __cpp_if_constexpr
template <typename... Args, typename S,
FMT_ENABLE_IF(is_compile_string<S>::value)>
constexpr auto compile(S format_str) {
constexpr basic_string_view<typename S::char_type> str = format_str;
if constexpr (str.size() == 0) {
return internal::make_text(str, 0, 0);
} else {
constexpr auto result =
internal::compile_format_string<internal::type_list<Args...>, 0, 0>(
format_str);
if constexpr (std::is_same<remove_cvref_t<decltype(result)>,
internal::unknown_format>()) {
return internal::compiled_format<S, Args...>(to_string_view(format_str));
} else {
return result;
}
}
}
template <typename CompiledFormat, typename... Args,
typename Char = typename CompiledFormat::char_type,
FMT_ENABLE_IF(internal::is_compiled_format<CompiledFormat>::value)>
std::basic_string<Char> format(const CompiledFormat& cf, const Args&... args) {
basic_memory_buffer<Char> buffer;
cf.format(std::back_inserter(buffer), args...);
return to_string(buffer);
}
template <typename OutputIt, typename CompiledFormat, typename... Args,
FMT_ENABLE_IF(internal::is_compiled_format<CompiledFormat>::value)>
OutputIt format_to(OutputIt out, const CompiledFormat& cf,
const Args&... args) {
return cf.format(out, args...);
}
# else
template <typename... Args, typename S,
FMT_ENABLE_IF(is_compile_string<S>::value)>
constexpr auto compile(S format_str) -> internal::compiled_format<S, Args...> {
return internal::compiled_format<S, Args...>(to_string_view(format_str));
}
# endif // __cpp_if_constexpr
#endif // FMT_USE_CONSTEXPR
// Compiles the format string which must be a string literal.
template <typename... Args, typename Char, size_t N>
auto compile(const Char (&format_str)[N])
-> internal::compiled_format<const Char*, Args...> {
return internal::compiled_format<const Char*, Args...>(
basic_string_view<Char>(format_str, N - 1));
}
template <typename CompiledFormat, typename... Args,
typename Char = typename CompiledFormat::char_type,
FMT_ENABLE_IF(std::is_base_of<internal::basic_compiled_format,
CompiledFormat>::value)>
std::basic_string<Char> format(const CompiledFormat& cf, const Args&... args) {
basic_memory_buffer<Char> buffer;
using range = buffer_range<Char>;
using context = buffer_context<Char>;
internal::cf::vformat_to<context>(range(buffer), cf,
make_format_args<context>(args...));
return to_string(buffer);
}
template <typename OutputIt, typename CompiledFormat, typename... Args,
FMT_ENABLE_IF(std::is_base_of<internal::basic_compiled_format,
CompiledFormat>::value)>
OutputIt format_to(OutputIt out, const CompiledFormat& cf,
const Args&... args) {
using char_type = typename CompiledFormat::char_type;
using range = internal::output_range<OutputIt, char_type>;
using context = format_context_t<OutputIt, char_type>;
return internal::cf::vformat_to<context>(range(out), cf,
make_format_args<context>(args...));
}
template <typename OutputIt, typename CompiledFormat, typename... Args,
FMT_ENABLE_IF(internal::is_output_iterator<OutputIt>::value)>
format_to_n_result<OutputIt> format_to_n(OutputIt out, size_t n,
const CompiledFormat& cf,
const Args&... args) {
auto it =
format_to(internal::truncating_iterator<OutputIt>(out, n), cf, args...);
return {it.base(), it.count()};
}
template <typename CompiledFormat, typename... Args>
std::size_t formatted_size(const CompiledFormat& cf, const Args&... args) {
return format_to(internal::counting_iterator(), cf, args...).count();
}
FMT_END_NAMESPACE
#endif // FMT_COMPILE_H_

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// Formatting library for C++ - std::locale support
//
// Copyright (c) 2012 - present, Victor Zverovich
// All rights reserved.
//
// For the license information refer to format.h.
#ifndef FMT_LOCALE_H_
#define FMT_LOCALE_H_
#include <locale>
#include "format.h"
FMT_BEGIN_NAMESPACE
namespace internal {
template <typename Char>
typename buffer_context<Char>::iterator vformat_to(
const std::locale& loc, buffer<Char>& buf,
basic_string_view<Char> format_str,
basic_format_args<buffer_context<type_identity_t<Char>>> args) {
using range = buffer_range<Char>;
return vformat_to<arg_formatter<range>>(buf, to_string_view(format_str), args,
internal::locale_ref(loc));
}
template <typename Char>
std::basic_string<Char> vformat(
const std::locale& loc, basic_string_view<Char> format_str,
basic_format_args<buffer_context<type_identity_t<Char>>> args) {
basic_memory_buffer<Char> buffer;
internal::vformat_to(loc, buffer, format_str, args);
return fmt::to_string(buffer);
}
} // namespace internal
template <typename S, typename Char = char_t<S>>
inline std::basic_string<Char> vformat(
const std::locale& loc, const S& format_str,
basic_format_args<buffer_context<type_identity_t<Char>>> args) {
return internal::vformat(loc, to_string_view(format_str), args);
}
template <typename S, typename... Args, typename Char = char_t<S>>
inline std::basic_string<Char> format(const std::locale& loc,
const S& format_str, Args&&... args) {
return internal::vformat(
loc, to_string_view(format_str),
internal::make_args_checked<Args...>(format_str, args...));
}
template <typename S, typename OutputIt, typename... Args,
typename Char = enable_if_t<
internal::is_output_iterator<OutputIt>::value, char_t<S>>>
inline OutputIt vformat_to(
OutputIt out, const std::locale& loc, const S& format_str,
format_args_t<type_identity_t<OutputIt>, Char> args) {
using range = internal::output_range<OutputIt, Char>;
return vformat_to<arg_formatter<range>>(
range(out), to_string_view(format_str), args, internal::locale_ref(loc));
}
template <typename OutputIt, typename S, typename... Args,
FMT_ENABLE_IF(internal::is_output_iterator<OutputIt>::value&&
internal::is_string<S>::value)>
inline OutputIt format_to(OutputIt out, const std::locale& loc,
const S& format_str, Args&&... args) {
internal::check_format_string<Args...>(format_str);
using context = format_context_t<OutputIt, char_t<S>>;
format_arg_store<context, Args...> as{args...};
return vformat_to(out, loc, to_string_view(format_str),
basic_format_args<context>(as));
}
FMT_END_NAMESPACE
#endif // FMT_LOCALE_H_

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// Formatting library for C++ - std::ostream support
//
// Copyright (c) 2012 - present, Victor Zverovich
// All rights reserved.
//
// For the license information refer to format.h.
#ifndef FMT_OSTREAM_H_
#define FMT_OSTREAM_H_
#include <ostream>
#include "format.h"
FMT_BEGIN_NAMESPACE
template <typename CHar> class basic_printf_parse_context;
template <typename OutputIt, typename Char> class basic_printf_context;
namespace internal {
template <class Char> class formatbuf : public std::basic_streambuf<Char> {
private:
using int_type = typename std::basic_streambuf<Char>::int_type;
using traits_type = typename std::basic_streambuf<Char>::traits_type;
buffer<Char>& buffer_;
public:
formatbuf(buffer<Char>& buf) : buffer_(buf) {}
protected:
// The put-area is actually always empty. This makes the implementation
// simpler and has the advantage that the streambuf and the buffer are always
// in sync and sputc never writes into uninitialized memory. The obvious
// disadvantage is that each call to sputc always results in a (virtual) call
// to overflow. There is no disadvantage here for sputn since this always
// results in a call to xsputn.
int_type overflow(int_type ch = traits_type::eof()) FMT_OVERRIDE {
if (!traits_type::eq_int_type(ch, traits_type::eof()))
buffer_.push_back(static_cast<Char>(ch));
return ch;
}
std::streamsize xsputn(const Char* s, std::streamsize count) FMT_OVERRIDE {
buffer_.append(s, s + count);
return count;
}
};
template <typename Char> struct test_stream : std::basic_ostream<Char> {
private:
// Hide all operator<< from std::basic_ostream<Char>.
void_t<> operator<<(null<>);
void_t<> operator<<(const Char*);
template <typename T, FMT_ENABLE_IF(std::is_convertible<T, int>::value &&
!std::is_enum<T>::value)>
void_t<> operator<<(T);
};
// Checks if T has a user-defined operator<< (e.g. not a member of
// std::ostream).
template <typename T, typename Char> class is_streamable {
private:
template <typename U>
static bool_constant<!std::is_same<decltype(std::declval<test_stream<Char>&>()
<< std::declval<U>()),
void_t<>>::value>
test(int);
template <typename> static std::false_type test(...);
using result = decltype(test<T>(0));
public:
static const bool value = result::value;
};
// Write the content of buf to os.
template <typename Char>
void write(std::basic_ostream<Char>& os, buffer<Char>& buf) {
const Char* buf_data = buf.data();
using unsigned_streamsize = std::make_unsigned<std::streamsize>::type;
unsigned_streamsize size = buf.size();
unsigned_streamsize max_size = to_unsigned(max_value<std::streamsize>());
do {
unsigned_streamsize n = size <= max_size ? size : max_size;
os.write(buf_data, static_cast<std::streamsize>(n));
buf_data += n;
size -= n;
} while (size != 0);
}
template <typename Char, typename T>
void format_value(buffer<Char>& buf, const T& value,
locale_ref loc = locale_ref()) {
formatbuf<Char> format_buf(buf);
std::basic_ostream<Char> output(&format_buf);
#if !defined(FMT_STATIC_THOUSANDS_SEPARATOR)
if (loc) output.imbue(loc.get<std::locale>());
#endif
output.exceptions(std::ios_base::failbit | std::ios_base::badbit);
output << value;
buf.resize(buf.size());
}
// Formats an object of type T that has an overloaded ostream operator<<.
template <typename T, typename Char>
struct fallback_formatter<T, Char, enable_if_t<is_streamable<T, Char>::value>>
: private formatter<basic_string_view<Char>, Char> {
auto parse(basic_format_parse_context<Char>& ctx) -> decltype(ctx.begin()) {
return formatter<basic_string_view<Char>, Char>::parse(ctx);
}
template <typename ParseCtx,
FMT_ENABLE_IF(std::is_same<
ParseCtx, basic_printf_parse_context<Char>>::value)>
auto parse(ParseCtx& ctx) -> decltype(ctx.begin()) {
return ctx.begin();
}
template <typename OutputIt>
auto format(const T& value, basic_format_context<OutputIt, Char>& ctx)
-> OutputIt {
basic_memory_buffer<Char> buffer;
format_value(buffer, value, ctx.locale());
basic_string_view<Char> str(buffer.data(), buffer.size());
return formatter<basic_string_view<Char>, Char>::format(str, ctx);
}
template <typename OutputIt>
auto format(const T& value, basic_printf_context<OutputIt, Char>& ctx)
-> OutputIt {
basic_memory_buffer<Char> buffer;
format_value(buffer, value, ctx.locale());
return std::copy(buffer.begin(), buffer.end(), ctx.out());
}
};
} // namespace internal
template <typename Char>
void vprint(std::basic_ostream<Char>& os, basic_string_view<Char> format_str,
basic_format_args<buffer_context<type_identity_t<Char>>> args) {
basic_memory_buffer<Char> buffer;
internal::vformat_to(buffer, format_str, args);
internal::write(os, buffer);
}
/**
\rst
Prints formatted data to the stream *os*.
**Example**::
fmt::print(cerr, "Don't {}!", "panic");
\endrst
*/
template <typename S, typename... Args,
typename Char = enable_if_t<internal::is_string<S>::value, char_t<S>>>
void print(std::basic_ostream<Char>& os, const S& format_str, Args&&... args) {
vprint(os, to_string_view(format_str),
internal::make_args_checked<Args...>(format_str, args...));
}
FMT_END_NAMESPACE
#endif // FMT_OSTREAM_H_

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#include "os.h"
#warning "fmt/posix.h is deprecated; use fmt/os.h instead"

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// Formatting library for C++ - legacy printf implementation
//
// Copyright (c) 2012 - 2016, Victor Zverovich
// All rights reserved.
//
// For the license information refer to format.h.
#ifndef FMT_PRINTF_H_
#define FMT_PRINTF_H_
#include <algorithm> // std::max
#include <limits> // std::numeric_limits
#include "ostream.h"
FMT_BEGIN_NAMESPACE
namespace internal {
// Checks if a value fits in int - used to avoid warnings about comparing
// signed and unsigned integers.
template <bool IsSigned> struct int_checker {
template <typename T> static bool fits_in_int(T value) {
unsigned max = max_value<int>();
return value <= max;
}
static bool fits_in_int(bool) { return true; }
};
template <> struct int_checker<true> {
template <typename T> static bool fits_in_int(T value) {
return value >= (std::numeric_limits<int>::min)() &&
value <= max_value<int>();
}
static bool fits_in_int(int) { return true; }
};
class printf_precision_handler {
public:
template <typename T, FMT_ENABLE_IF(std::is_integral<T>::value)>
int operator()(T value) {
if (!int_checker<std::numeric_limits<T>::is_signed>::fits_in_int(value))
FMT_THROW(format_error("number is too big"));
return (std::max)(static_cast<int>(value), 0);
}
template <typename T, FMT_ENABLE_IF(!std::is_integral<T>::value)>
int operator()(T) {
FMT_THROW(format_error("precision is not integer"));
return 0;
}
};
// An argument visitor that returns true iff arg is a zero integer.
class is_zero_int {
public:
template <typename T, FMT_ENABLE_IF(std::is_integral<T>::value)>
bool operator()(T value) {
return value == 0;
}
template <typename T, FMT_ENABLE_IF(!std::is_integral<T>::value)>
bool operator()(T) {
return false;
}
};
template <typename T> struct make_unsigned_or_bool : std::make_unsigned<T> {};
template <> struct make_unsigned_or_bool<bool> { using type = bool; };
template <typename T, typename Context> class arg_converter {
private:
using char_type = typename Context::char_type;
basic_format_arg<Context>& arg_;
char_type type_;
public:
arg_converter(basic_format_arg<Context>& arg, char_type type)
: arg_(arg), type_(type) {}
void operator()(bool value) {
if (type_ != 's') operator()<bool>(value);
}
template <typename U, FMT_ENABLE_IF(std::is_integral<U>::value)>
void operator()(U value) {
bool is_signed = type_ == 'd' || type_ == 'i';
using target_type = conditional_t<std::is_same<T, void>::value, U, T>;
if (const_check(sizeof(target_type) <= sizeof(int))) {
// Extra casts are used to silence warnings.
if (is_signed) {
arg_ = internal::make_arg<Context>(
static_cast<int>(static_cast<target_type>(value)));
} else {
using unsigned_type = typename make_unsigned_or_bool<target_type>::type;
arg_ = internal::make_arg<Context>(
static_cast<unsigned>(static_cast<unsigned_type>(value)));
}
} else {
if (is_signed) {
// glibc's printf doesn't sign extend arguments of smaller types:
// std::printf("%lld", -42); // prints "4294967254"
// but we don't have to do the same because it's a UB.
arg_ = internal::make_arg<Context>(static_cast<long long>(value));
} else {
arg_ = internal::make_arg<Context>(
static_cast<typename make_unsigned_or_bool<U>::type>(value));
}
}
}
template <typename U, FMT_ENABLE_IF(!std::is_integral<U>::value)>
void operator()(U) {} // No conversion needed for non-integral types.
};
// Converts an integer argument to T for printf, if T is an integral type.
// If T is void, the argument is converted to corresponding signed or unsigned
// type depending on the type specifier: 'd' and 'i' - signed, other -
// unsigned).
template <typename T, typename Context, typename Char>
void convert_arg(basic_format_arg<Context>& arg, Char type) {
visit_format_arg(arg_converter<T, Context>(arg, type), arg);
}
// Converts an integer argument to char for printf.
template <typename Context> class char_converter {
private:
basic_format_arg<Context>& arg_;
public:
explicit char_converter(basic_format_arg<Context>& arg) : arg_(arg) {}
template <typename T, FMT_ENABLE_IF(std::is_integral<T>::value)>
void operator()(T value) {
arg_ = internal::make_arg<Context>(
static_cast<typename Context::char_type>(value));
}
template <typename T, FMT_ENABLE_IF(!std::is_integral<T>::value)>
void operator()(T) {} // No conversion needed for non-integral types.
};
// Checks if an argument is a valid printf width specifier and sets
// left alignment if it is negative.
template <typename Char> class printf_width_handler {
private:
using format_specs = basic_format_specs<Char>;
format_specs& specs_;
public:
explicit printf_width_handler(format_specs& specs) : specs_(specs) {}
template <typename T, FMT_ENABLE_IF(std::is_integral<T>::value)>
unsigned operator()(T value) {
auto width = static_cast<uint32_or_64_or_128_t<T>>(value);
if (internal::is_negative(value)) {
specs_.align = align::left;
width = 0 - width;
}
unsigned int_max = max_value<int>();
if (width > int_max) FMT_THROW(format_error("number is too big"));
return static_cast<unsigned>(width);
}
template <typename T, FMT_ENABLE_IF(!std::is_integral<T>::value)>
unsigned operator()(T) {
FMT_THROW(format_error("width is not integer"));
return 0;
}
};
template <typename Char, typename Context>
void printf(buffer<Char>& buf, basic_string_view<Char> format,
basic_format_args<Context> args) {
Context(std::back_inserter(buf), format, args).format();
}
template <typename OutputIt, typename Char, typename Context>
internal::truncating_iterator<OutputIt> printf(
internal::truncating_iterator<OutputIt> it, basic_string_view<Char> format,
basic_format_args<Context> args) {
return Context(it, format, args).format();
}
} // namespace internal
using internal::printf; // For printing into memory_buffer.
template <typename Range> class printf_arg_formatter;
template <typename Char>
class basic_printf_parse_context : public basic_format_parse_context<Char> {
using basic_format_parse_context<Char>::basic_format_parse_context;
};
template <typename OutputIt, typename Char> class basic_printf_context;
/**
\rst
The ``printf`` argument formatter.
\endrst
*/
template <typename Range>
class printf_arg_formatter : public internal::arg_formatter_base<Range> {
public:
using iterator = typename Range::iterator;
private:
using char_type = typename Range::value_type;
using base = internal::arg_formatter_base<Range>;
using context_type = basic_printf_context<iterator, char_type>;
context_type& context_;
void write_null_pointer(char) {
this->specs()->type = 0;
this->write("(nil)");
}
void write_null_pointer(wchar_t) {
this->specs()->type = 0;
this->write(L"(nil)");
}
public:
using format_specs = typename base::format_specs;
/**
\rst
Constructs an argument formatter object.
*buffer* is a reference to the output buffer and *specs* contains format
specifier information for standard argument types.
\endrst
*/
printf_arg_formatter(iterator iter, format_specs& specs, context_type& ctx)
: base(Range(iter), &specs, internal::locale_ref()), context_(ctx) {}
template <typename T, FMT_ENABLE_IF(fmt::internal::is_integral<T>::value)>
iterator operator()(T value) {
// MSVC2013 fails to compile separate overloads for bool and char_type so
// use std::is_same instead.
if (std::is_same<T, bool>::value) {
format_specs& fmt_specs = *this->specs();
if (fmt_specs.type != 's') return base::operator()(value ? 1 : 0);
fmt_specs.type = 0;
this->write(value != 0);
} else if (std::is_same<T, char_type>::value) {
format_specs& fmt_specs = *this->specs();
if (fmt_specs.type && fmt_specs.type != 'c')
return (*this)(static_cast<int>(value));
fmt_specs.sign = sign::none;
fmt_specs.alt = false;
fmt_specs.align = align::right;
return base::operator()(value);
} else {
return base::operator()(value);
}
return this->out();
}
template <typename T, FMT_ENABLE_IF(std::is_floating_point<T>::value)>
iterator operator()(T value) {
return base::operator()(value);
}
/** Formats a null-terminated C string. */
iterator operator()(const char* value) {
if (value)
base::operator()(value);
else if (this->specs()->type == 'p')
write_null_pointer(char_type());
else
this->write("(null)");
return this->out();
}
/** Formats a null-terminated wide C string. */
iterator operator()(const wchar_t* value) {
if (value)
base::operator()(value);
else if (this->specs()->type == 'p')
write_null_pointer(char_type());
else
this->write(L"(null)");
return this->out();
}
iterator operator()(basic_string_view<char_type> value) {
return base::operator()(value);
}
iterator operator()(monostate value) { return base::operator()(value); }
/** Formats a pointer. */
iterator operator()(const void* value) {
if (value) return base::operator()(value);
this->specs()->type = 0;
write_null_pointer(char_type());
return this->out();
}
/** Formats an argument of a custom (user-defined) type. */
iterator operator()(typename basic_format_arg<context_type>::handle handle) {
handle.format(context_.parse_context(), context_);
return this->out();
}
};
template <typename T> struct printf_formatter {
printf_formatter() = delete;
template <typename ParseContext>
auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
return ctx.begin();
}
template <typename FormatContext>
auto format(const T& value, FormatContext& ctx) -> decltype(ctx.out()) {
internal::format_value(internal::get_container(ctx.out()), value);
return ctx.out();
}
};
/** This template formats data and writes the output to a writer. */
template <typename OutputIt, typename Char> class basic_printf_context {
public:
/** The character type for the output. */
using char_type = Char;
using iterator = OutputIt;
using format_arg = basic_format_arg<basic_printf_context>;
using parse_context_type = basic_printf_parse_context<Char>;
template <typename T> using formatter_type = printf_formatter<T>;
private:
using format_specs = basic_format_specs<char_type>;
OutputIt out_;
basic_format_args<basic_printf_context> args_;
parse_context_type parse_ctx_;
static void parse_flags(format_specs& specs, const Char*& it,
const Char* end);
// Returns the argument with specified index or, if arg_index is -1, the next
// argument.
format_arg get_arg(int arg_index = -1);
// Parses argument index, flags and width and returns the argument index.
int parse_header(const Char*& it, const Char* end, format_specs& specs);
public:
/**
\rst
Constructs a ``printf_context`` object. References to the arguments and
the writer are stored in the context object so make sure they have
appropriate lifetimes.
\endrst
*/
basic_printf_context(OutputIt out, basic_string_view<char_type> format_str,
basic_format_args<basic_printf_context> args)
: out_(out), args_(args), parse_ctx_(format_str) {}
OutputIt out() { return out_; }
void advance_to(OutputIt it) { out_ = it; }
internal::locale_ref locale() { return {}; }
format_arg arg(int id) const { return args_.get(id); }
parse_context_type& parse_context() { return parse_ctx_; }
FMT_CONSTEXPR void on_error(const char* message) {
parse_ctx_.on_error(message);
}
/** Formats stored arguments and writes the output to the range. */
template <typename ArgFormatter = printf_arg_formatter<buffer_range<Char>>>
OutputIt format();
};
template <typename OutputIt, typename Char>
void basic_printf_context<OutputIt, Char>::parse_flags(format_specs& specs,
const Char*& it,
const Char* end) {
for (; it != end; ++it) {
switch (*it) {
case '-':
specs.align = align::left;
break;
case '+':
specs.sign = sign::plus;
break;
case '0':
specs.fill[0] = '0';
break;
case ' ':
specs.sign = sign::space;
break;
case '#':
specs.alt = true;
break;
default:
return;
}
}
}
template <typename OutputIt, typename Char>
typename basic_printf_context<OutputIt, Char>::format_arg
basic_printf_context<OutputIt, Char>::get_arg(int arg_index) {
if (arg_index < 0)
arg_index = parse_ctx_.next_arg_id();
else
parse_ctx_.check_arg_id(--arg_index);
return internal::get_arg(*this, arg_index);
}
template <typename OutputIt, typename Char>
int basic_printf_context<OutputIt, Char>::parse_header(const Char*& it,
const Char* end,
format_specs& specs) {
int arg_index = -1;
char_type c = *it;
if (c >= '0' && c <= '9') {
// Parse an argument index (if followed by '$') or a width possibly
// preceded with '0' flag(s).
internal::error_handler eh;
int value = parse_nonnegative_int(it, end, eh);
if (it != end && *it == '$') { // value is an argument index
++it;
arg_index = value;
} else {
if (c == '0') specs.fill[0] = '0';
if (value != 0) {
// Nonzero value means that we parsed width and don't need to
// parse it or flags again, so return now.
specs.width = value;
return arg_index;
}
}
}
parse_flags(specs, it, end);
// Parse width.
if (it != end) {
if (*it >= '0' && *it <= '9') {
internal::error_handler eh;
specs.width = parse_nonnegative_int(it, end, eh);
} else if (*it == '*') {
++it;
specs.width = static_cast<int>(visit_format_arg(
internal::printf_width_handler<char_type>(specs), get_arg()));
}
}
return arg_index;
}
template <typename OutputIt, typename Char>
template <typename ArgFormatter>
OutputIt basic_printf_context<OutputIt, Char>::format() {
auto out = this->out();
const Char* start = parse_ctx_.begin();
const Char* end = parse_ctx_.end();
auto it = start;
while (it != end) {
char_type c = *it++;
if (c != '%') continue;
if (it != end && *it == c) {
out = std::copy(start, it, out);
start = ++it;
continue;
}
out = std::copy(start, it - 1, out);
format_specs specs;
specs.align = align::right;
// Parse argument index, flags and width.
int arg_index = parse_header(it, end, specs);
if (arg_index == 0) on_error("argument index out of range");
// Parse precision.
if (it != end && *it == '.') {
++it;
c = it != end ? *it : 0;
if ('0' <= c && c <= '9') {
internal::error_handler eh;
specs.precision = parse_nonnegative_int(it, end, eh);
} else if (c == '*') {
++it;
specs.precision = static_cast<int>(
visit_format_arg(internal::printf_precision_handler(), get_arg()));
} else {
specs.precision = 0;
}
}
format_arg arg = get_arg(arg_index);
if (specs.alt && visit_format_arg(internal::is_zero_int(), arg))
specs.alt = false;
if (specs.fill[0] == '0') {
if (arg.is_arithmetic())
specs.align = align::numeric;
else
specs.fill[0] = ' '; // Ignore '0' flag for non-numeric types.
}
// Parse length and convert the argument to the required type.
c = it != end ? *it++ : 0;
char_type t = it != end ? *it : 0;
using internal::convert_arg;
switch (c) {
case 'h':
if (t == 'h') {
++it;
t = it != end ? *it : 0;
convert_arg<signed char>(arg, t);
} else {
convert_arg<short>(arg, t);
}
break;
case 'l':
if (t == 'l') {
++it;
t = it != end ? *it : 0;
convert_arg<long long>(arg, t);
} else {
convert_arg<long>(arg, t);
}
break;
case 'j':
convert_arg<intmax_t>(arg, t);
break;
case 'z':
convert_arg<std::size_t>(arg, t);
break;
case 't':
convert_arg<std::ptrdiff_t>(arg, t);
break;
case 'L':
// printf produces garbage when 'L' is omitted for long double, no
// need to do the same.
break;
default:
--it;
convert_arg<void>(arg, c);
}
// Parse type.
if (it == end) FMT_THROW(format_error("invalid format string"));
specs.type = static_cast<char>(*it++);
if (arg.is_integral()) {
// Normalize type.
switch (specs.type) {
case 'i':
case 'u':
specs.type = 'd';
break;
case 'c':
visit_format_arg(internal::char_converter<basic_printf_context>(arg),
arg);
break;
}
}
start = it;
// Format argument.
visit_format_arg(ArgFormatter(out, specs, *this), arg);
}
return std::copy(start, it, out);
}
template <typename Char>
using basic_printf_context_t =
basic_printf_context<std::back_insert_iterator<internal::buffer<Char>>,
Char>;
using printf_context = basic_printf_context_t<char>;
using wprintf_context = basic_printf_context_t<wchar_t>;
using printf_args = basic_format_args<printf_context>;
using wprintf_args = basic_format_args<wprintf_context>;
/**
\rst
Constructs an `~fmt::format_arg_store` object that contains references to
arguments and can be implicitly converted to `~fmt::printf_args`.
\endrst
*/
template <typename... Args>
inline format_arg_store<printf_context, Args...> make_printf_args(
const Args&... args) {
return {args...};
}
/**
\rst
Constructs an `~fmt::format_arg_store` object that contains references to
arguments and can be implicitly converted to `~fmt::wprintf_args`.
\endrst
*/
template <typename... Args>
inline format_arg_store<wprintf_context, Args...> make_wprintf_args(
const Args&... args) {
return {args...};
}
template <typename S, typename Char = char_t<S>>
inline std::basic_string<Char> vsprintf(
const S& format,
basic_format_args<basic_printf_context_t<type_identity_t<Char>>> args) {
basic_memory_buffer<Char> buffer;
printf(buffer, to_string_view(format), args);
return to_string(buffer);
}
/**
\rst
Formats arguments and returns the result as a string.
**Example**::
std::string message = fmt::sprintf("The answer is %d", 42);
\endrst
*/
template <typename S, typename... Args,
typename Char = enable_if_t<internal::is_string<S>::value, char_t<S>>>
inline std::basic_string<Char> sprintf(const S& format, const Args&... args) {
using context = basic_printf_context_t<Char>;
return vsprintf(to_string_view(format), make_format_args<context>(args...));
}
template <typename S, typename Char = char_t<S>>
inline int vfprintf(
std::FILE* f, const S& format,
basic_format_args<basic_printf_context_t<type_identity_t<Char>>> args) {
basic_memory_buffer<Char> buffer;
printf(buffer, to_string_view(format), args);
std::size_t size = buffer.size();
return std::fwrite(buffer.data(), sizeof(Char), size, f) < size
? -1
: static_cast<int>(size);
}
/**
\rst
Prints formatted data to the file *f*.
**Example**::
fmt::fprintf(stderr, "Don't %s!", "panic");
\endrst
*/
template <typename S, typename... Args,
typename Char = enable_if_t<internal::is_string<S>::value, char_t<S>>>
inline int fprintf(std::FILE* f, const S& format, const Args&... args) {
using context = basic_printf_context_t<Char>;
return vfprintf(f, to_string_view(format),
make_format_args<context>(args...));
}
template <typename S, typename Char = char_t<S>>
inline int vprintf(
const S& format,
basic_format_args<basic_printf_context_t<type_identity_t<Char>>> args) {
return vfprintf(stdout, to_string_view(format), args);
}
/**
\rst
Prints formatted data to ``stdout``.
**Example**::
fmt::printf("Elapsed time: %.2f seconds", 1.23);
\endrst
*/
template <typename S, typename... Args,
FMT_ENABLE_IF(internal::is_string<S>::value)>
inline int printf(const S& format_str, const Args&... args) {
using context = basic_printf_context_t<char_t<S>>;
return vprintf(to_string_view(format_str),
make_format_args<context>(args...));
}
template <typename S, typename Char = char_t<S>>
inline int vfprintf(
std::basic_ostream<Char>& os, const S& format,
basic_format_args<basic_printf_context_t<type_identity_t<Char>>> args) {
basic_memory_buffer<Char> buffer;
printf(buffer, to_string_view(format), args);
internal::write(os, buffer);
return static_cast<int>(buffer.size());
}
/** Formats arguments and writes the output to the range. */
template <typename ArgFormatter, typename Char,
typename Context =
basic_printf_context<typename ArgFormatter::iterator, Char>>
typename ArgFormatter::iterator vprintf(
internal::buffer<Char>& out, basic_string_view<Char> format_str,
basic_format_args<type_identity_t<Context>> args) {
typename ArgFormatter::iterator iter(out);
Context(iter, format_str, args).template format<ArgFormatter>();
return iter;
}
/**
\rst
Prints formatted data to the stream *os*.
**Example**::
fmt::fprintf(cerr, "Don't %s!", "panic");
\endrst
*/
template <typename S, typename... Args, typename Char = char_t<S>>
inline int fprintf(std::basic_ostream<Char>& os, const S& format_str,
const Args&... args) {
using context = basic_printf_context_t<Char>;
return vfprintf(os, to_string_view(format_str),
make_format_args<context>(args...));
}
FMT_END_NAMESPACE
#endif // FMT_PRINTF_H_

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// Formatting library for C++ - experimental range support
//
// Copyright (c) 2012 - present, Victor Zverovich
// All rights reserved.
//
// For the license information refer to format.h.
//
// Copyright (c) 2018 - present, Remotion (Igor Schulz)
// All Rights Reserved
// {fmt} support for ranges, containers and types tuple interface.
#ifndef FMT_RANGES_H_
#define FMT_RANGES_H_
#include <initializer_list>
#include <type_traits>
#include "format.h"
// output only up to N items from the range.
#ifndef FMT_RANGE_OUTPUT_LENGTH_LIMIT
# define FMT_RANGE_OUTPUT_LENGTH_LIMIT 256
#endif
FMT_BEGIN_NAMESPACE
template <typename Char> struct formatting_base {
template <typename ParseContext>
FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
return ctx.begin();
}
};
template <typename Char, typename Enable = void>
struct formatting_range : formatting_base<Char> {
static FMT_CONSTEXPR_DECL const std::size_t range_length_limit =
FMT_RANGE_OUTPUT_LENGTH_LIMIT; // output only up to N items from the
// range.
Char prefix;
Char delimiter;
Char postfix;
formatting_range() : prefix('{'), delimiter(','), postfix('}') {}
static FMT_CONSTEXPR_DECL const bool add_delimiter_spaces = true;
static FMT_CONSTEXPR_DECL const bool add_prepostfix_space = false;
};
template <typename Char, typename Enable = void>
struct formatting_tuple : formatting_base<Char> {
Char prefix;
Char delimiter;
Char postfix;
formatting_tuple() : prefix('('), delimiter(','), postfix(')') {}
static FMT_CONSTEXPR_DECL const bool add_delimiter_spaces = true;
static FMT_CONSTEXPR_DECL const bool add_prepostfix_space = false;
};
namespace internal {
template <typename RangeT, typename OutputIterator>
OutputIterator copy(const RangeT& range, OutputIterator out) {
for (auto it = range.begin(), end = range.end(); it != end; ++it)
*out++ = *it;
return out;
}
template <typename OutputIterator>
OutputIterator copy(const char* str, OutputIterator out) {
while (*str) *out++ = *str++;
return out;
}
template <typename OutputIterator>
OutputIterator copy(char ch, OutputIterator out) {
*out++ = ch;
return out;
}
/// Return true value if T has std::string interface, like std::string_view.
template <typename T> class is_like_std_string {
template <typename U>
static auto check(U* p)
-> decltype((void)p->find('a'), p->length(), (void)p->data(), int());
template <typename> static void check(...);
public:
static FMT_CONSTEXPR_DECL const bool value =
is_string<T>::value || !std::is_void<decltype(check<T>(nullptr))>::value;
};
template <typename Char>
struct is_like_std_string<fmt::basic_string_view<Char>> : std::true_type {};
template <typename... Ts> struct conditional_helper {};
template <typename T, typename _ = void> struct is_range_ : std::false_type {};
#if !FMT_MSC_VER || FMT_MSC_VER > 1800
template <typename T>
struct is_range_<
T, conditional_t<false,
conditional_helper<decltype(std::declval<T>().begin()),
decltype(std::declval<T>().end())>,
void>> : std::true_type {};
#endif
/// tuple_size and tuple_element check.
template <typename T> class is_tuple_like_ {
template <typename U>
static auto check(U* p) -> decltype(std::tuple_size<U>::value, int());
template <typename> static void check(...);
public:
static FMT_CONSTEXPR_DECL const bool value =
!std::is_void<decltype(check<T>(nullptr))>::value;
};
// Check for integer_sequence
#if defined(__cpp_lib_integer_sequence) || FMT_MSC_VER >= 1900
template <typename T, T... N>
using integer_sequence = std::integer_sequence<T, N...>;
template <std::size_t... N> using index_sequence = std::index_sequence<N...>;
template <std::size_t N>
using make_index_sequence = std::make_index_sequence<N>;
#else
template <typename T, T... N> struct integer_sequence {
using value_type = T;
static FMT_CONSTEXPR std::size_t size() { return sizeof...(N); }
};
template <std::size_t... N>
using index_sequence = integer_sequence<std::size_t, N...>;
template <typename T, std::size_t N, T... Ns>
struct make_integer_sequence : make_integer_sequence<T, N - 1, N - 1, Ns...> {};
template <typename T, T... Ns>
struct make_integer_sequence<T, 0, Ns...> : integer_sequence<T, Ns...> {};
template <std::size_t N>
using make_index_sequence = make_integer_sequence<std::size_t, N>;
#endif
template <class Tuple, class F, size_t... Is>
void for_each(index_sequence<Is...>, Tuple&& tup, F&& f) FMT_NOEXCEPT {
using std::get;
// using free function get<I>(T) now.
const int _[] = {0, ((void)f(get<Is>(tup)), 0)...};
(void)_; // blocks warnings
}
template <class T>
FMT_CONSTEXPR make_index_sequence<std::tuple_size<T>::value> get_indexes(
T const&) {
return {};
}
template <class Tuple, class F> void for_each(Tuple&& tup, F&& f) {
const auto indexes = get_indexes(tup);
for_each(indexes, std::forward<Tuple>(tup), std::forward<F>(f));
}
template <typename Arg, FMT_ENABLE_IF(!is_like_std_string<
typename std::decay<Arg>::type>::value)>
FMT_CONSTEXPR const char* format_str_quoted(bool add_space, const Arg&) {
return add_space ? " {}" : "{}";
}
template <typename Arg, FMT_ENABLE_IF(is_like_std_string<
typename std::decay<Arg>::type>::value)>
FMT_CONSTEXPR const char* format_str_quoted(bool add_space, const Arg&) {
return add_space ? " \"{}\"" : "\"{}\"";
}
FMT_CONSTEXPR const char* format_str_quoted(bool add_space, const char*) {
return add_space ? " \"{}\"" : "\"{}\"";
}
FMT_CONSTEXPR const wchar_t* format_str_quoted(bool add_space, const wchar_t*) {
return add_space ? L" \"{}\"" : L"\"{}\"";
}
FMT_CONSTEXPR const char* format_str_quoted(bool add_space, const char) {
return add_space ? " '{}'" : "'{}'";
}
FMT_CONSTEXPR const wchar_t* format_str_quoted(bool add_space, const wchar_t) {
return add_space ? L" '{}'" : L"'{}'";
}
} // namespace internal
template <typename T> struct is_tuple_like {
static FMT_CONSTEXPR_DECL const bool value =
internal::is_tuple_like_<T>::value && !internal::is_range_<T>::value;
};
template <typename TupleT, typename Char>
struct formatter<TupleT, Char, enable_if_t<fmt::is_tuple_like<TupleT>::value>> {
private:
// C++11 generic lambda for format()
template <typename FormatContext> struct format_each {
template <typename T> void operator()(const T& v) {
if (i > 0) {
if (formatting.add_prepostfix_space) {
*out++ = ' ';
}
out = internal::copy(formatting.delimiter, out);
}
out = format_to(out,
internal::format_str_quoted(
(formatting.add_delimiter_spaces && i > 0), v),
v);
++i;
}
formatting_tuple<Char>& formatting;
std::size_t& i;
typename std::add_lvalue_reference<decltype(
std::declval<FormatContext>().out())>::type out;
};
public:
formatting_tuple<Char> formatting;
template <typename ParseContext>
FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
return formatting.parse(ctx);
}
template <typename FormatContext = format_context>
auto format(const TupleT& values, FormatContext& ctx) -> decltype(ctx.out()) {
auto out = ctx.out();
std::size_t i = 0;
internal::copy(formatting.prefix, out);
internal::for_each(values, format_each<FormatContext>{formatting, i, out});
if (formatting.add_prepostfix_space) {
*out++ = ' ';
}
internal::copy(formatting.postfix, out);
return ctx.out();
}
};
template <typename T, typename Char> struct is_range {
static FMT_CONSTEXPR_DECL const bool value =
internal::is_range_<T>::value &&
!internal::is_like_std_string<T>::value &&
!std::is_convertible<T, std::basic_string<Char>>::value &&
!std::is_constructible<internal::std_string_view<Char>, T>::value;
};
template <typename RangeT, typename Char>
struct formatter<RangeT, Char,
enable_if_t<fmt::is_range<RangeT, Char>::value>> {
formatting_range<Char> formatting;
template <typename ParseContext>
FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
return formatting.parse(ctx);
}
template <typename FormatContext>
typename FormatContext::iterator format(const RangeT& values,
FormatContext& ctx) {
auto out = internal::copy(formatting.prefix, ctx.out());
std::size_t i = 0;
for (auto it = values.begin(), end = values.end(); it != end; ++it) {
if (i > 0) {
if (formatting.add_prepostfix_space) *out++ = ' ';
out = internal::copy(formatting.delimiter, out);
}
out = format_to(out,
internal::format_str_quoted(
(formatting.add_delimiter_spaces && i > 0), *it),
*it);
if (++i > formatting.range_length_limit) {
out = format_to(out, " ... <other elements>");
break;
}
}
if (formatting.add_prepostfix_space) *out++ = ' ';
return internal::copy(formatting.postfix, out);
}
};
template <typename Char, typename... T> struct tuple_arg_join : internal::view {
const std::tuple<T...>& tuple;
basic_string_view<Char> sep;
tuple_arg_join(const std::tuple<T...>& t, basic_string_view<Char> s)
: tuple{t}, sep{s} {}
};
template <typename Char, typename... T>
struct formatter<tuple_arg_join<Char, T...>, Char> {
template <typename ParseContext>
FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
return ctx.begin();
}
template <typename FormatContext>
typename FormatContext::iterator format(
const tuple_arg_join<Char, T...>& value, FormatContext& ctx) {
return format(value, ctx, internal::make_index_sequence<sizeof...(T)>{});
}
private:
template <typename FormatContext, size_t... N>
typename FormatContext::iterator format(
const tuple_arg_join<Char, T...>& value, FormatContext& ctx,
internal::index_sequence<N...>) {
return format_args(value, ctx, std::get<N>(value.tuple)...);
}
template <typename FormatContext>
typename FormatContext::iterator format_args(
const tuple_arg_join<Char, T...>&, FormatContext& ctx) {
// NOTE: for compilers that support C++17, this empty function instantiation
// can be replaced with a constexpr branch in the variadic overload.
return ctx.out();
}
template <typename FormatContext, typename Arg, typename... Args>
typename FormatContext::iterator format_args(
const tuple_arg_join<Char, T...>& value, FormatContext& ctx,
const Arg& arg, const Args&... args) {
using base = formatter<typename std::decay<Arg>::type, Char>;
auto out = ctx.out();
out = base{}.format(arg, ctx);
if (sizeof...(Args) > 0) {
out = std::copy(value.sep.begin(), value.sep.end(), out);
ctx.advance_to(out);
return format_args(value, ctx, args...);
}
return out;
}
};
/**
\rst
Returns an object that formats `tuple` with elements separated by `sep`.
**Example**::
std::tuple<int, char> t = {1, 'a'};
fmt::print("{}", fmt::join(t, ", "));
// Output: "1, a"
\endrst
*/
template <typename... T>
FMT_CONSTEXPR tuple_arg_join<char, T...> join(const std::tuple<T...>& tuple,
string_view sep) {
return {tuple, sep};
}
template <typename... T>
FMT_CONSTEXPR tuple_arg_join<wchar_t, T...> join(const std::tuple<T...>& tuple,
wstring_view sep) {
return {tuple, sep};
}
/**
\rst
Returns an object that formats `initializer_list` with elements separated by
`sep`.
**Example**::
fmt::print("{}", fmt::join({1, 2, 3}, ", "));
// Output: "1, 2, 3"
\endrst
*/
template <typename T>
arg_join<internal::iterator_t<const std::initializer_list<T>>, char> join(
std::initializer_list<T> list, string_view sep) {
return join(std::begin(list), std::end(list), sep);
}
template <typename T>
arg_join<internal::iterator_t<const std::initializer_list<T>>, wchar_t> join(
std::initializer_list<T> list, wstring_view sep) {
return join(std::begin(list), std::end(list), sep);
}
FMT_END_NAMESPACE
#endif // FMT_RANGES_H_

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//
// Copyright(c) 2016-2018 Gabi Melman.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
//
#pragma once
//
// Include a bundled header-only copy of fmtlib or an external one.
// By default spdlog include its own copy.
//
#if !defined(SPDLOG_FMT_EXTERNAL)
#if !defined(SPDLOG_COMPILED_LIB) && !defined(FMT_HEADER_ONLY)
#define FMT_HEADER_ONLY
#endif
#ifndef FMT_USE_WINDOWS_H
#define FMT_USE_WINDOWS_H 0
#endif
#include <spdlog/fmt/bundled/core.h>
#include <spdlog/fmt/bundled/format.h>
#else // SPDLOG_FMT_EXTERNAL is defined - use external fmtlib
#include <fmt/core.h>
#include <fmt/format.h>
#endif

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core/src/spdlog/fmt/ostr.h
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//
// Copyright(c) 2016 Gabi Melman.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
//
#pragma once
//
// include bundled or external copy of fmtlib's ostream support
//
#if !defined(SPDLOG_FMT_EXTERNAL)
#ifdef SPDLOG_HEADER_ONLY
#ifndef FMT_HEADER_ONLY
#define FMT_HEADER_ONLY
#endif
#endif
#include <spdlog/fmt/bundled/ostream.h>
#else
#include <fmt/ostream.h>
#endif

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core/src/spdlog/formatter.h
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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#include <spdlog/fmt/fmt.h>
#include <spdlog/details/log_msg.h>
namespace spdlog {
class formatter
{
public:
virtual ~formatter() = default;
virtual void format(const details::log_msg &msg, memory_buf_t &dest) = 0;
virtual std::unique_ptr<formatter> clone() const = 0;
};
} // namespace spdlog

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core/src/spdlog/fwd.h
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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
namespace spdlog {
class logger;
class formatter;
namespace sinks {
class sink;
}
} // namespace spdlog

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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#ifndef SPDLOG_HEADER_ONLY
#include <spdlog/logger.h>
#endif
#include <spdlog/sinks/sink.h>
#include <spdlog/details/backtracer.h>
#include <spdlog/pattern_formatter.h>
#include <cstdio>
namespace spdlog {
// public methods
SPDLOG_INLINE logger::logger(const logger &other)
: name_(other.name_)
, sinks_(other.sinks_)
, level_(other.level_.load(std::memory_order_relaxed))
, flush_level_(other.flush_level_.load(std::memory_order_relaxed))
, custom_err_handler_(other.custom_err_handler_)
, tracer_(other.tracer_)
{}
SPDLOG_INLINE logger::logger(logger &&other) SPDLOG_NOEXCEPT : name_(std::move(other.name_)),
sinks_(std::move(other.sinks_)),
level_(other.level_.load(std::memory_order_relaxed)),
flush_level_(other.flush_level_.load(std::memory_order_relaxed)),
custom_err_handler_(std::move(other.custom_err_handler_)),
tracer_(std::move(other.tracer_))
{}
SPDLOG_INLINE logger &logger::operator=(logger other) SPDLOG_NOEXCEPT
{
this->swap(other);
return *this;
}
SPDLOG_INLINE void logger::swap(spdlog::logger &other) SPDLOG_NOEXCEPT
{
name_.swap(other.name_);
sinks_.swap(other.sinks_);
// swap level_
auto other_level = other.level_.load();
auto my_level = level_.exchange(other_level);
other.level_.store(my_level);
// swap flush level_
other_level = other.flush_level_.load();
my_level = flush_level_.exchange(other_level);
other.flush_level_.store(my_level);
custom_err_handler_.swap(other.custom_err_handler_);
std::swap(tracer_, other.tracer_);
}
SPDLOG_INLINE void swap(logger &a, logger &b)
{
a.swap(b);
}
SPDLOG_INLINE void logger::set_level(level::level_enum log_level)
{
level_.store(log_level);
}
SPDLOG_INLINE level::level_enum logger::level() const
{
return static_cast<level::level_enum>(level_.load(std::memory_order_relaxed));
}
SPDLOG_INLINE const std::string &logger::name() const
{
return name_;
}
// set formatting for the sinks in this logger.
// each sink will get a separate instance of the formatter object.
SPDLOG_INLINE void logger::set_formatter(std::unique_ptr<formatter> f)
{
for (auto it = sinks_.begin(); it != sinks_.end(); ++it)
{
if (std::next(it) == sinks_.end())
{
// last element - we can be move it.
(*it)->set_formatter(std::move(f));
break; // to prevent clang-tidy warning
}
else
{
(*it)->set_formatter(f->clone());
}
}
}
SPDLOG_INLINE void logger::set_pattern(std::string pattern, pattern_time_type time_type)
{
auto new_formatter = details::make_unique<pattern_formatter>(std::move(pattern), time_type);
set_formatter(std::move(new_formatter));
}
// create new backtrace sink and move to it all our child sinks
SPDLOG_INLINE void logger::enable_backtrace(size_t n_messages)
{
tracer_.enable(n_messages);
}
// restore orig sinks and level and delete the backtrace sink
SPDLOG_INLINE void logger::disable_backtrace()
{
tracer_.disable();
}
SPDLOG_INLINE void logger::dump_backtrace()
{
dump_backtrace_();
}
// flush functions
SPDLOG_INLINE void logger::flush()
{
flush_();
}
SPDLOG_INLINE void logger::flush_on(level::level_enum log_level)
{
flush_level_.store(log_level);
}
SPDLOG_INLINE level::level_enum logger::flush_level() const
{
return static_cast<level::level_enum>(flush_level_.load(std::memory_order_relaxed));
}
// sinks
SPDLOG_INLINE const std::vector<sink_ptr> &logger::sinks() const
{
return sinks_;
}
SPDLOG_INLINE std::vector<sink_ptr> &logger::sinks()
{
return sinks_;
}
// error handler
SPDLOG_INLINE void logger::set_error_handler(err_handler handler)
{
custom_err_handler_ = std::move(handler);
}
// create new logger with same sinks and configuration.
SPDLOG_INLINE std::shared_ptr<logger> logger::clone(std::string logger_name)
{
auto cloned = std::make_shared<logger>(*this);
cloned->name_ = std::move(logger_name);
return cloned;
}
// protected methods
SPDLOG_INLINE void logger::log_it_(const spdlog::details::log_msg &log_msg, bool log_enabled, bool traceback_enabled)
{
if (log_enabled)
{
sink_it_(log_msg);
}
if (traceback_enabled)
{
tracer_.push_back(log_msg);
}
}
SPDLOG_INLINE void logger::sink_it_(const details::log_msg &msg)
{
for (auto &sink : sinks_)
{
if (sink->should_log(msg.level))
{
SPDLOG_TRY
{
sink->log(msg);
}
SPDLOG_LOGGER_CATCH()
}
}
if (should_flush_(msg))
{
flush_();
}
}
SPDLOG_INLINE void logger::flush_()
{
for (auto &sink : sinks_)
{
SPDLOG_TRY
{
sink->flush();
}
SPDLOG_LOGGER_CATCH()
}
}
SPDLOG_INLINE void logger::dump_backtrace_()
{
using details::log_msg;
if (tracer_.enabled())
{
sink_it_(log_msg{name(), level::info, "****************** Backtrace Start ******************"});
tracer_.foreach_pop([this](const log_msg &msg) { this->sink_it_(msg); });
sink_it_(log_msg{name(), level::info, "****************** Backtrace End ********************"});
}
}
SPDLOG_INLINE bool logger::should_flush_(const details::log_msg &msg)
{
auto flush_level = flush_level_.load(std::memory_order_relaxed);
return (msg.level >= flush_level) && (msg.level != level::off);
}
SPDLOG_INLINE void logger::err_handler_(const std::string &msg)
{
if (custom_err_handler_)
{
custom_err_handler_(msg);
}
else
{
using std::chrono::system_clock;
static std::mutex mutex;
static std::chrono::system_clock::time_point last_report_time;
static size_t err_counter = 0;
std::lock_guard<std::mutex> lk{mutex};
auto now = system_clock::now();
err_counter++;
if (now - last_report_time < std::chrono::seconds(1))
{
return;
}
last_report_time = now;
auto tm_time = details::os::localtime(system_clock::to_time_t(now));
char date_buf[64];
std::strftime(date_buf, sizeof(date_buf), "%Y-%m-%d %H:%M:%S", &tm_time);
fprintf(stderr, "[*** LOG ERROR #%04zu ***] [%s] [%s] {%s}\n", err_counter, date_buf, name().c_str(), msg.c_str());
}
}
} // namespace spdlog

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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
// Thread safe logger (except for set_error_handler())
// Has name, log level, vector of std::shared sink pointers and formatter
// Upon each log write the logger:
// 1. Checks if its log level is enough to log the message and if yes:
// 2. Call the underlying sinks to do the job.
// 3. Each sink use its own private copy of a formatter to format the message
// and send to its destination.
//
// The use of private formatter per sink provides the opportunity to cache some
// formatted data, and support for different format per sink.
#include <spdlog/common.h>
#include <spdlog/details/log_msg.h>
#include <spdlog/details/backtracer.h>
#ifdef SPDLOG_WCHAR_TO_UTF8_SUPPORT
#include <spdlog/details/os.h>
#endif
#include <vector>
#ifndef SPDLOG_NO_EXCEPTIONS
#define SPDLOG_LOGGER_CATCH() \
catch (const std::exception &ex) \
{ \
err_handler_(ex.what()); \
} \
catch (...) \
{ \
err_handler_("Unknown exception in logger"); \
}
#else
#define SPDLOG_LOGGER_CATCH()
#endif
namespace spdlog {
class SPDLOG_API logger
{
public:
// Empty logger
explicit logger(std::string name)
: name_(std::move(name))
, sinks_()
{}
// Logger with range on sinks
template<typename It>
logger(std::string name, It begin, It end)
: name_(std::move(name))
, sinks_(begin, end)
{}
// Logger with single sink
logger(std::string name, sink_ptr single_sink)
: logger(std::move(name), {std::move(single_sink)})
{}
// Logger with sinks init list
logger(std::string name, sinks_init_list sinks)
: logger(std::move(name), sinks.begin(), sinks.end())
{}
virtual ~logger() = default;
logger(const logger &other);
logger(logger &&other) SPDLOG_NOEXCEPT;
logger &operator=(logger other) SPDLOG_NOEXCEPT;
void swap(spdlog::logger &other) SPDLOG_NOEXCEPT;
// FormatString is a type derived from fmt::compile_string
template<typename FormatString, typename std::enable_if<fmt::is_compile_string<FormatString>::value, int>::type = 0, typename... Args>
void log(source_loc loc, level::level_enum lvl, const FormatString &fmt, const Args &... args)
{
log_(loc, lvl, fmt, args...);
}
// FormatString is NOT a type derived from fmt::compile_string but is a string_view_t or can be implicitly converted to one
template<typename... Args>
void log(source_loc loc, level::level_enum lvl, string_view_t fmt, const Args &... args)
{
log_(loc, lvl, fmt, args...);
}
template<typename FormatString, typename... Args>
void log(level::level_enum lvl, const FormatString &fmt, const Args &... args)
{
log(source_loc{}, lvl, fmt, args...);
}
template<typename FormatString, typename... Args>
void trace(const FormatString &fmt, const Args &... args)
{
log(level::trace, fmt, args...);
}
template<typename FormatString, typename... Args>
void debug(const FormatString &fmt, const Args &... args)
{
log(level::debug, fmt, args...);
}
template<typename FormatString, typename... Args>
void info(const FormatString &fmt, const Args &... args)
{
log(level::info, fmt, args...);
}
template<typename FormatString, typename... Args>
void warn(const FormatString &fmt, const Args &... args)
{
log(level::warn, fmt, args...);
}
template<typename FormatString, typename... Args>
void error(const FormatString &fmt, const Args &... args)
{
log(level::err, fmt, args...);
}
template<typename FormatString, typename... Args>
void critical(const FormatString &fmt, const Args &... args)
{
log(level::critical, fmt, args...);
}
template<typename T>
void log(level::level_enum lvl, const T &msg)
{
log(source_loc{}, lvl, msg);
}
// T can be statically converted to string_view and isn't a fmt::compile_string
template<class T, typename std::enable_if<
std::is_convertible<const T &, spdlog::string_view_t>::value && !fmt::is_compile_string<T>::value, int>::type = 0>
void log(source_loc loc, level::level_enum lvl, const T &msg)
{
log(loc, lvl, string_view_t{msg});
}
void log(log_clock::time_point log_time, source_loc loc, level::level_enum lvl, string_view_t msg)
{
bool log_enabled = should_log(lvl);
bool traceback_enabled = tracer_.enabled();
if (!log_enabled && !traceback_enabled)
{
return;
}
details::log_msg log_msg(log_time, loc, name_, lvl, msg);
log_it_(log_msg, log_enabled, traceback_enabled);
}
void log(source_loc loc, level::level_enum lvl, string_view_t msg)
{
bool log_enabled = should_log(lvl);
bool traceback_enabled = tracer_.enabled();
if (!log_enabled && !traceback_enabled)
{
return;
}
details::log_msg log_msg(loc, name_, lvl, msg);
log_it_(log_msg, log_enabled, traceback_enabled);
}
void log(level::level_enum lvl, string_view_t msg)
{
log(source_loc{}, lvl, msg);
}
// T cannot be statically converted to string_view or wstring_view
template<class T, typename std::enable_if<!std::is_convertible<const T &, spdlog::string_view_t>::value &&
!is_convertible_to_wstring_view<const T &>::value,
int>::type = 0>
void log(source_loc loc, level::level_enum lvl, const T &msg)
{
log(loc, lvl, "{}", msg);
}
template<typename T>
void trace(const T &msg)
{
log(level::trace, msg);
}
template<typename T>
void debug(const T &msg)
{
log(level::debug, msg);
}
template<typename T>
void info(const T &msg)
{
log(level::info, msg);
}
template<typename T>
void warn(const T &msg)
{
log(level::warn, msg);
}
template<typename T>
void error(const T &msg)
{
log(level::err, msg);
}
template<typename T>
void critical(const T &msg)
{
log(level::critical, msg);
}
#ifdef SPDLOG_WCHAR_TO_UTF8_SUPPORT
#ifndef _WIN32
#error SPDLOG_WCHAR_TO_UTF8_SUPPORT only supported on windows
#else
template<typename... Args>
void log(source_loc loc, level::level_enum lvl, wstring_view_t fmt, const Args &... args)
{
bool log_enabled = should_log(lvl);
bool traceback_enabled = tracer_.enabled();
if (!log_enabled && !traceback_enabled)
{
return;
}
SPDLOG_TRY
{
// format to wmemory_buffer and convert to utf8
fmt::wmemory_buffer wbuf;
fmt::format_to(wbuf, fmt, args...);
memory_buf_t buf;
details::os::wstr_to_utf8buf(wstring_view_t(wbuf.data(), wbuf.size()), buf);
details::log_msg log_msg(loc, name_, lvl, string_view_t(buf.data(), buf.size()));
log_it_(log_msg, log_enabled, traceback_enabled);
}
SPDLOG_LOGGER_CATCH()
}
// T can be statically converted to wstring_view
template<class T, typename std::enable_if<is_convertible_to_wstring_view<const T &>::value, int>::type = 0>
void log(source_loc loc, level::level_enum lvl, const T &msg)
{
bool log_enabled = should_log(lvl);
bool traceback_enabled = tracer_.enabled();
if (!log_enabled && !traceback_enabled)
{
return;
}
SPDLOG_TRY
{
memory_buf_t buf;
details::os::wstr_to_utf8buf(msg, buf);
details::log_msg log_msg(loc, name_, lvl, string_view_t(buf.data(), buf.size()));
log_it_(log_msg, log_enabled, traceback_enabled);
}
SPDLOG_LOGGER_CATCH()
}
#endif // _WIN32
#endif // SPDLOG_WCHAR_TO_UTF8_SUPPORT
// return true logging is enabled for the given level.
bool should_log(level::level_enum msg_level) const
{
return msg_level >= level_.load(std::memory_order_relaxed);
}
// return true if backtrace logging is enabled.
bool should_backtrace() const
{
return tracer_.enabled();
}
void set_level(level::level_enum log_level);
level::level_enum level() const;
const std::string &name() const;
// set formatting for the sinks in this logger.
// each sink will get a separate instance of the formatter object.
void set_formatter(std::unique_ptr<formatter> f);
void set_pattern(std::string pattern, pattern_time_type time_type = pattern_time_type::local);
// backtrace support.
// efficiently store all debug/trace messages in a circular buffer until needed for debugging.
void enable_backtrace(size_t n_messages);
void disable_backtrace();
void dump_backtrace();
// flush functions
void flush();
void flush_on(level::level_enum log_level);
level::level_enum flush_level() const;
// sinks
const std::vector<sink_ptr> &sinks() const;
std::vector<sink_ptr> &sinks();
// error handler
void set_error_handler(err_handler);
// create new logger with same sinks and configuration.
virtual std::shared_ptr<logger> clone(std::string logger_name);
protected:
std::string name_;
std::vector<sink_ptr> sinks_;
spdlog::level_t level_{level::info};
spdlog::level_t flush_level_{level::off};
err_handler custom_err_handler_{nullptr};
details::backtracer tracer_;
// common implementation for after templated public api has been resolved
template<typename FormatString, typename... Args>
void log_(source_loc loc, level::level_enum lvl, const FormatString &fmt, const Args &... args)
{
bool log_enabled = should_log(lvl);
bool traceback_enabled = tracer_.enabled();
if (!log_enabled && !traceback_enabled)
{
return;
}
SPDLOG_TRY
{
memory_buf_t buf;
fmt::format_to(buf, fmt, args...);
details::log_msg log_msg(loc, name_, lvl, string_view_t(buf.data(), buf.size()));
log_it_(log_msg, log_enabled, traceback_enabled);
}
SPDLOG_LOGGER_CATCH()
}
// log the given message (if the given log level is high enough),
// and save backtrace (if backtrace is enabled).
void log_it_(const details::log_msg &log_msg, bool log_enabled, bool traceback_enabled);
virtual void sink_it_(const details::log_msg &msg);
virtual void flush_();
void dump_backtrace_();
bool should_flush_(const details::log_msg &msg);
// handle errors during logging.
// default handler prints the error to stderr at max rate of 1 message/sec.
void err_handler_(const std::string &msg);
};
void swap(logger &a, logger &b);
} // namespace spdlog
#ifdef SPDLOG_HEADER_ONLY
#include "logger-inl.h"
#endif

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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#include <spdlog/common.h>
#include <spdlog/details/log_msg.h>
#include <spdlog/details/os.h>
#include <spdlog/formatter.h>
#include <chrono>
#include <ctime>
#include <memory>
#include <string>
#include <vector>
#include <unordered_map>
namespace spdlog {
namespace details {
// padding information.
struct padding_info
{
enum pad_side
{
left,
right,
center
};
padding_info() = default;
padding_info(size_t width, padding_info::pad_side side, bool truncate)
: width_(width)
, side_(side)
, truncate_(truncate)
, enabled_(true)
{}
bool enabled() const
{
return enabled_;
}
size_t width_ = 0;
pad_side side_ = left;
bool truncate_ = false;
bool enabled_ = false;
};
class SPDLOG_API flag_formatter
{
public:
explicit flag_formatter(padding_info padinfo)
: padinfo_(padinfo)
{}
flag_formatter() = default;
virtual ~flag_formatter() = default;
virtual void format(const details::log_msg &msg, const std::tm &tm_time, memory_buf_t &dest) = 0;
protected:
padding_info padinfo_;
};
} // namespace details
class SPDLOG_API custom_flag_formatter : public details::flag_formatter
{
public:
virtual std::unique_ptr<custom_flag_formatter> clone() const = 0;
void set_padding_info(details::padding_info padding)
{
flag_formatter::padinfo_ = padding;
}
};
class SPDLOG_API pattern_formatter final : public formatter
{
public:
using custom_flags = std::unordered_map<char, std::unique_ptr<custom_flag_formatter>>;
explicit pattern_formatter(std::string pattern, pattern_time_type time_type = pattern_time_type::local,
std::string eol = spdlog::details::os::default_eol, custom_flags custom_user_flags = custom_flags());
// use default pattern is not given
explicit pattern_formatter(pattern_time_type time_type = pattern_time_type::local, std::string eol = spdlog::details::os::default_eol);
pattern_formatter(const pattern_formatter &other) = delete;
pattern_formatter &operator=(const pattern_formatter &other) = delete;
std::unique_ptr<formatter> clone() const override;
void format(const details::log_msg &msg, memory_buf_t &dest) override;
template<typename T, typename... Args>
pattern_formatter &add_flag(char flag, const Args &... args)
{
custom_handlers_[flag] = details::make_unique<T>(args...);
return *this;
}
void set_pattern(std::string pattern);
private:
std::string pattern_;
std::string eol_;
pattern_time_type pattern_time_type_;
std::tm cached_tm_;
std::chrono::seconds last_log_secs_;
std::vector<std::unique_ptr<details::flag_formatter>> formatters_;
custom_flags custom_handlers_;
std::tm get_time_(const details::log_msg &msg);
template<typename Padder>
void handle_flag_(char flag, details::padding_info padding);
// Extract given pad spec (e.g. %8X)
// Advance the given it pass the end of the padding spec found (if any)
// Return padding.
static details::padding_info handle_padspec_(std::string::const_iterator &it, std::string::const_iterator end);
void compile_pattern_(const std::string &pattern);
};
} // namespace spdlog
#ifdef SPDLOG_HEADER_ONLY
#include "pattern_formatter-inl.h"
#endif

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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#ifdef __ANDROID__
#include <spdlog/details/fmt_helper.h>
#include <spdlog/details/null_mutex.h>
#include <spdlog/details/os.h>
#include <spdlog/sinks/base_sink.h>
#include <spdlog/details/synchronous_factory.h>
#include <android/log.h>
#include <chrono>
#include <mutex>
#include <string>
#include <thread>
#if !defined(SPDLOG_ANDROID_RETRIES)
#define SPDLOG_ANDROID_RETRIES 2
#endif
namespace spdlog {
namespace sinks {
/*
* Android sink (logging using __android_log_write)
*/
template<typename Mutex>
class android_sink final : public base_sink<Mutex>
{
public:
explicit android_sink(std::string tag = "spdlog", bool use_raw_msg = false)
: tag_(std::move(tag))
, use_raw_msg_(use_raw_msg)
{}
protected:
void sink_it_(const details::log_msg &msg) override
{
const android_LogPriority priority = convert_to_android_(msg.level);
memory_buf_t formatted;
if (use_raw_msg_)
{
details::fmt_helper::append_string_view(msg.payload, formatted);
}
else
{
base_sink<Mutex>::formatter_->format(msg, formatted);
}
formatted.push_back('\0');
const char *msg_output = formatted.data();
// See system/core/liblog/logger_write.c for explanation of return value
int ret = __android_log_write(priority, tag_.c_str(), msg_output);
int retry_count = 0;
while ((ret == -11 /*EAGAIN*/) && (retry_count < SPDLOG_ANDROID_RETRIES))
{
details::os::sleep_for_millis(5);
ret = __android_log_write(priority, tag_.c_str(), msg_output);
retry_count++;
}
if (ret < 0)
{
throw_spdlog_ex("__android_log_write() failed", ret);
}
}
void flush_() override {}
private:
static android_LogPriority convert_to_android_(spdlog::level::level_enum level)
{
switch (level)
{
case spdlog::level::trace:
return ANDROID_LOG_VERBOSE;
case spdlog::level::debug:
return ANDROID_LOG_DEBUG;
case spdlog::level::info:
return ANDROID_LOG_INFO;
case spdlog::level::warn:
return ANDROID_LOG_WARN;
case spdlog::level::err:
return ANDROID_LOG_ERROR;
case spdlog::level::critical:
return ANDROID_LOG_FATAL;
default:
return ANDROID_LOG_DEFAULT;
}
}
std::string tag_;
bool use_raw_msg_;
};
using android_sink_mt = android_sink<std::mutex>;
using android_sink_st = android_sink<details::null_mutex>;
} // namespace sinks
// Create and register android syslog logger
template<typename Factory = spdlog::synchronous_factory>
inline std::shared_ptr<logger> android_logger_mt(const std::string &logger_name, const std::string &tag = "spdlog")
{
return Factory::template create<sinks::android_sink_mt>(logger_name, tag);
}
template<typename Factory = spdlog::synchronous_factory>
inline std::shared_ptr<logger> android_logger_st(const std::string &logger_name, const std::string &tag = "spdlog")
{
return Factory::template create<sinks::android_sink_st>(logger_name, tag);
}
} // namespace spdlog
#endif // __ANDROID__

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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#ifndef SPDLOG_HEADER_ONLY
#include <spdlog/sinks/ansicolor_sink.h>
#endif
#include <spdlog/pattern_formatter.h>
#include <spdlog/details/os.h>
namespace spdlog {
namespace sinks {
template<typename ConsoleMutex>
SPDLOG_INLINE ansicolor_sink<ConsoleMutex>::ansicolor_sink(FILE *target_file, color_mode mode)
: target_file_(target_file)
, mutex_(ConsoleMutex::mutex())
, formatter_(details::make_unique<spdlog::pattern_formatter>())
{
set_color_mode(mode);
colors_[level::trace] = to_string_(white);
colors_[level::debug] = to_string_(cyan);
colors_[level::info] = to_string_(green);
colors_[level::warn] = to_string_(yellow_bold);
colors_[level::err] = to_string_(red_bold);
colors_[level::critical] = to_string_(bold_on_red);
colors_[level::off] = to_string_(reset);
}
template<typename ConsoleMutex>
SPDLOG_INLINE void ansicolor_sink<ConsoleMutex>::set_color(level::level_enum color_level, string_view_t color)
{
std::lock_guard<mutex_t> lock(mutex_);
colors_[color_level] = to_string_(color);
}
template<typename ConsoleMutex>
SPDLOG_INLINE void ansicolor_sink<ConsoleMutex>::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.
std::lock_guard<mutex_t> lock(mutex_);
msg.color_range_start = 0;
msg.color_range_end = 0;
memory_buf_t formatted;
formatter_->format(msg, formatted);
if (should_do_colors_ && msg.color_range_end > msg.color_range_start)
{
// before color range
print_range_(formatted, 0, msg.color_range_start);
// in color range
print_ccode_(colors_[msg.level]);
print_range_(formatted, msg.color_range_start, msg.color_range_end);
print_ccode_(reset);
// after color range
print_range_(formatted, msg.color_range_end, formatted.size());
}
else // no color
{
print_range_(formatted, 0, formatted.size());
}
fflush(target_file_);
}
template<typename ConsoleMutex>
SPDLOG_INLINE void ansicolor_sink<ConsoleMutex>::flush()
{
std::lock_guard<mutex_t> lock(mutex_);
fflush(target_file_);
}
template<typename ConsoleMutex>
SPDLOG_INLINE void ansicolor_sink<ConsoleMutex>::set_pattern(const std::string &pattern)
{
std::lock_guard<mutex_t> lock(mutex_);
formatter_ = std::unique_ptr<spdlog::formatter>(new pattern_formatter(pattern));
}
template<typename ConsoleMutex>
SPDLOG_INLINE void ansicolor_sink<ConsoleMutex>::set_formatter(std::unique_ptr<spdlog::formatter> sink_formatter)
{
std::lock_guard<mutex_t> lock(mutex_);
formatter_ = std::move(sink_formatter);
}
template<typename ConsoleMutex>
SPDLOG_INLINE bool ansicolor_sink<ConsoleMutex>::should_color()
{
return should_do_colors_;
}
template<typename ConsoleMutex>
SPDLOG_INLINE void ansicolor_sink<ConsoleMutex>::set_color_mode(color_mode mode)
{
switch (mode)
{
case color_mode::always:
should_do_colors_ = true;
return;
case color_mode::automatic:
should_do_colors_ = details::os::in_terminal(target_file_) && details::os::is_color_terminal();
return;
case color_mode::never:
should_do_colors_ = false;
return;
}
}
template<typename ConsoleMutex>
SPDLOG_INLINE void ansicolor_sink<ConsoleMutex>::print_ccode_(const string_view_t &color_code)
{
fwrite(color_code.data(), sizeof(char), color_code.size(), target_file_);
}
template<typename ConsoleMutex>
SPDLOG_INLINE void ansicolor_sink<ConsoleMutex>::print_range_(const memory_buf_t &formatted, size_t start, size_t end)
{
fwrite(formatted.data() + start, sizeof(char), end - start, target_file_);
}
template<typename ConsoleMutex>
SPDLOG_INLINE std::string ansicolor_sink<ConsoleMutex>::to_string_(const string_view_t &sv)
{
return std::string(sv.data(), sv.size());
}
// ansicolor_stdout_sink
template<typename ConsoleMutex>
SPDLOG_INLINE ansicolor_stdout_sink<ConsoleMutex>::ansicolor_stdout_sink(color_mode mode)
: ansicolor_sink<ConsoleMutex>(stdout, mode)
{}
// ansicolor_stderr_sink
template<typename ConsoleMutex>
SPDLOG_INLINE ansicolor_stderr_sink<ConsoleMutex>::ansicolor_stderr_sink(color_mode mode)
: ansicolor_sink<ConsoleMutex>(stderr, mode)
{}
} // namespace sinks
} // namespace spdlog

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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#include <spdlog/details/console_globals.h>
#include <spdlog/details/null_mutex.h>
#include <spdlog/sinks/sink.h>
#include <memory>
#include <mutex>
#include <string>
#include <array>
namespace spdlog {
namespace sinks {
/**
* This sink prefixes the output with an ANSI escape sequence color code
* depending on the severity
* of the message.
* If no color terminal detected, omit the escape codes.
*/
template<typename ConsoleMutex>
class ansicolor_sink : public sink
{
public:
using mutex_t = typename ConsoleMutex::mutex_t;
ansicolor_sink(FILE *target_file, color_mode mode);
~ansicolor_sink() override = default;
ansicolor_sink(const ansicolor_sink &other) = delete;
ansicolor_sink(ansicolor_sink &&other) = delete;
ansicolor_sink &operator=(const ansicolor_sink &other) = delete;
ansicolor_sink &operator=(ansicolor_sink &&other) = delete;
void set_color(level::level_enum color_level, string_view_t color);
void set_color_mode(color_mode mode);
bool should_color();
void log(const details::log_msg &msg) override;
void flush() override;
void set_pattern(const std::string &pattern) final;
void set_formatter(std::unique_ptr<spdlog::formatter> sink_formatter) override;
// Formatting codes
const string_view_t reset = "\033[m";
const string_view_t bold = "\033[1m";
const string_view_t dark = "\033[2m";
const string_view_t underline = "\033[4m";
const string_view_t blink = "\033[5m";
const string_view_t reverse = "\033[7m";
const string_view_t concealed = "\033[8m";
const string_view_t clear_line = "\033[K";
// Foreground colors
const string_view_t black = "\033[30m";
const string_view_t red = "\033[31m";
const string_view_t green = "\033[32m";
const string_view_t yellow = "\033[33m";
const string_view_t blue = "\033[34m";
const string_view_t magenta = "\033[35m";
const string_view_t cyan = "\033[36m";
const string_view_t white = "\033[37m";
/// Background colors
const string_view_t on_black = "\033[40m";
const string_view_t on_red = "\033[41m";
const string_view_t on_green = "\033[42m";
const string_view_t on_yellow = "\033[43m";
const string_view_t on_blue = "\033[44m";
const string_view_t on_magenta = "\033[45m";
const string_view_t on_cyan = "\033[46m";
const string_view_t on_white = "\033[47m";
/// Bold colors
const string_view_t yellow_bold = "\033[33m\033[1m";
const string_view_t red_bold = "\033[31m\033[1m";
const string_view_t bold_on_red = "\033[1m\033[41m";
private:
FILE *target_file_;
mutex_t &mutex_;
bool should_do_colors_;
std::unique_ptr<spdlog::formatter> formatter_;
std::array<std::string, level::n_levels> colors_;
void print_ccode_(const string_view_t &color_code);
void print_range_(const memory_buf_t &formatted, size_t start, size_t end);
static std::string to_string_(const string_view_t &sv);
};
template<typename ConsoleMutex>
class ansicolor_stdout_sink : public ansicolor_sink<ConsoleMutex>
{
public:
explicit ansicolor_stdout_sink(color_mode mode = color_mode::automatic);
};
template<typename ConsoleMutex>
class ansicolor_stderr_sink : public ansicolor_sink<ConsoleMutex>
{
public:
explicit ansicolor_stderr_sink(color_mode mode = color_mode::automatic);
};
using ansicolor_stdout_sink_mt = ansicolor_stdout_sink<details::console_mutex>;
using ansicolor_stdout_sink_st = ansicolor_stdout_sink<details::console_nullmutex>;
using ansicolor_stderr_sink_mt = ansicolor_stderr_sink<details::console_mutex>;
using ansicolor_stderr_sink_st = ansicolor_stderr_sink<details::console_nullmutex>;
} // namespace sinks
} // namespace spdlog
#ifdef SPDLOG_HEADER_ONLY
#include "ansicolor_sink-inl.h"
#endif

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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#ifndef SPDLOG_HEADER_ONLY
#include <spdlog/sinks/base_sink.h>
#endif
#include <spdlog/common.h>
#include <spdlog/pattern_formatter.h>
#include <memory>
template<typename Mutex>
SPDLOG_INLINE spdlog::sinks::base_sink<Mutex>::base_sink()
: formatter_{details::make_unique<spdlog::pattern_formatter>()}
{}
template<typename Mutex>
SPDLOG_INLINE spdlog::sinks::base_sink<Mutex>::base_sink(std::unique_ptr<spdlog::formatter> formatter)
: formatter_{std::move(formatter)}
{}
template<typename Mutex>
void SPDLOG_INLINE spdlog::sinks::base_sink<Mutex>::log(const details::log_msg &msg)
{
std::lock_guard<Mutex> lock(mutex_);
sink_it_(msg);
}
template<typename Mutex>
void SPDLOG_INLINE spdlog::sinks::base_sink<Mutex>::flush()
{
std::lock_guard<Mutex> lock(mutex_);
flush_();
}
template<typename Mutex>
void SPDLOG_INLINE spdlog::sinks::base_sink<Mutex>::set_pattern(const std::string &pattern)
{
std::lock_guard<Mutex> lock(mutex_);
set_pattern_(pattern);
}
template<typename Mutex>
void SPDLOG_INLINE spdlog::sinks::base_sink<Mutex>::set_formatter(std::unique_ptr<spdlog::formatter> sink_formatter)
{
std::lock_guard<Mutex> lock(mutex_);
set_formatter_(std::move(sink_formatter));
}
template<typename Mutex>
void SPDLOG_INLINE spdlog::sinks::base_sink<Mutex>::set_pattern_(const std::string &pattern)
{
set_formatter_(details::make_unique<spdlog::pattern_formatter>(pattern));
}
template<typename Mutex>
void SPDLOG_INLINE spdlog::sinks::base_sink<Mutex>::set_formatter_(std::unique_ptr<spdlog::formatter> sink_formatter)
{
formatter_ = std::move(sink_formatter);
}

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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
//
// base sink templated over a mutex (either dummy or real)
// concrete implementation should override the sink_it_() and flush_() methods.
// locking is taken care of in this class - no locking needed by the
// implementers..
//
#include <spdlog/common.h>
#include <spdlog/details/log_msg.h>
#include <spdlog/sinks/sink.h>
namespace spdlog {
namespace sinks {
template<typename Mutex>
class base_sink : public sink
{
public:
base_sink();
explicit base_sink(std::unique_ptr<spdlog::formatter> formatter);
~base_sink() override = default;
base_sink(const base_sink &) = delete;
base_sink(base_sink &&) = delete;
base_sink &operator=(const base_sink &) = delete;
base_sink &operator=(base_sink &&) = delete;
void log(const details::log_msg &msg) final;
void flush() final;
void set_pattern(const std::string &pattern) final;
void set_formatter(std::unique_ptr<spdlog::formatter> sink_formatter) final;
protected:
// sink formatter
std::unique_ptr<spdlog::formatter> formatter_;
Mutex mutex_;
virtual void sink_it_(const details::log_msg &msg) = 0;
virtual void flush_() = 0;
virtual void set_pattern_(const std::string &pattern);
virtual void set_formatter_(std::unique_ptr<spdlog::formatter> sink_formatter);
};
} // namespace sinks
} // namespace spdlog
#ifdef SPDLOG_HEADER_ONLY
#include "base_sink-inl.h"
#endif

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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#ifndef SPDLOG_HEADER_ONLY
#include <spdlog/sinks/basic_file_sink.h>
#endif
#include <spdlog/common.h>
#include <spdlog/details/os.h>
namespace spdlog {
namespace sinks {
template<typename Mutex>
SPDLOG_INLINE basic_file_sink<Mutex>::basic_file_sink(const filename_t &filename, bool truncate)
{
file_helper_.open(filename, truncate);
}
template<typename Mutex>
SPDLOG_INLINE const filename_t &basic_file_sink<Mutex>::filename() const
{
return file_helper_.filename();
}
template<typename Mutex>
SPDLOG_INLINE void basic_file_sink<Mutex>::sink_it_(const details::log_msg &msg)
{
memory_buf_t formatted;
base_sink<Mutex>::formatter_->format(msg, formatted);
file_helper_.write(formatted);
}
template<typename Mutex>
SPDLOG_INLINE void basic_file_sink<Mutex>::flush_()
{
file_helper_.flush();
}
} // namespace sinks
} // namespace spdlog

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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#include <spdlog/details/file_helper.h>
#include <spdlog/details/null_mutex.h>
#include <spdlog/sinks/base_sink.h>
#include <spdlog/details/synchronous_factory.h>
#include <mutex>
#include <string>
namespace spdlog {
namespace sinks {
/*
* Trivial file sink with single file as target
*/
template<typename Mutex>
class basic_file_sink final : public base_sink<Mutex>
{
public:
explicit basic_file_sink(const filename_t &filename, bool truncate = false);
const filename_t &filename() const;
protected:
void sink_it_(const details::log_msg &msg) override;
void flush_() override;
private:
details::file_helper file_helper_;
};
using basic_file_sink_mt = basic_file_sink<std::mutex>;
using basic_file_sink_st = basic_file_sink<details::null_mutex>;
} // namespace sinks
//
// factory functions
//
template<typename Factory = spdlog::synchronous_factory>
inline std::shared_ptr<logger> basic_logger_mt(const std::string &logger_name, const filename_t &filename, bool truncate = false)
{
return Factory::template create<sinks::basic_file_sink_mt>(logger_name, filename, truncate);
}
template<typename Factory = spdlog::synchronous_factory>
inline std::shared_ptr<logger> basic_logger_st(const std::string &logger_name, const filename_t &filename, bool truncate = false)
{
return Factory::template create<sinks::basic_file_sink_st>(logger_name, filename, truncate);
}
} // namespace spdlog
#ifdef SPDLOG_HEADER_ONLY
#include "basic_file_sink-inl.h"
#endif

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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#include <spdlog/common.h>
#include <spdlog/details/file_helper.h>
#include <spdlog/details/null_mutex.h>
#include <spdlog/fmt/fmt.h>
#include <spdlog/sinks/base_sink.h>
#include <spdlog/details/os.h>
#include <spdlog/details/circular_q.h>
#include <spdlog/details/synchronous_factory.h>
#include <chrono>
#include <cstdio>
#include <ctime>
#include <mutex>
#include <string>
namespace spdlog {
namespace sinks {
/*
* Generator of daily log file names in format basename.YYYY-MM-DD.ext
*/
struct daily_filename_calculator
{
// Create filename for the form basename.YYYY-MM-DD
static filename_t calc_filename(const filename_t &filename, const tm &now_tm)
{
filename_t basename, ext;
std::tie(basename, ext) = details::file_helper::split_by_extension(filename);
return fmt::format(
SPDLOG_FILENAME_T("{}_{:04d}-{:02d}-{:02d}{}"), basename, now_tm.tm_year + 1900, now_tm.tm_mon + 1, now_tm.tm_mday, ext);
}
};
/*
* Rotating file sink based on date.
* If truncate != false , the created file will be truncated.
* If max_files > 0, retain only the last max_files and delete previous.
*/
template<typename Mutex, typename FileNameCalc = daily_filename_calculator>
class daily_file_sink final : public base_sink<Mutex>
{
public:
// create daily file sink which rotates on given time
daily_file_sink(filename_t base_filename, int rotation_hour, int rotation_minute, bool truncate = false, uint16_t max_files = 0)
: base_filename_(std::move(base_filename))
, rotation_h_(rotation_hour)
, rotation_m_(rotation_minute)
, truncate_(truncate)
, max_files_(max_files)
, filenames_q_()
{
if (rotation_hour < 0 || rotation_hour > 23 || rotation_minute < 0 || rotation_minute > 59)
{
throw_spdlog_ex("daily_file_sink: Invalid rotation time in ctor");
}
auto now = log_clock::now();
auto filename = FileNameCalc::calc_filename(base_filename_, now_tm(now));
file_helper_.open(filename, truncate_);
rotation_tp_ = next_rotation_tp_();
if (max_files_ > 0)
{
init_filenames_q_();
}
}
filename_t filename()
{
std::lock_guard<Mutex> lock(base_sink<Mutex>::mutex_);
return file_helper_.filename();
}
protected:
void sink_it_(const details::log_msg &msg) override
{
auto time = msg.time;
bool should_rotate = time >= rotation_tp_;
if (should_rotate)
{
auto filename = FileNameCalc::calc_filename(base_filename_, now_tm(time));
file_helper_.open(filename, truncate_);
rotation_tp_ = next_rotation_tp_();
}
memory_buf_t formatted;
base_sink<Mutex>::formatter_->format(msg, formatted);
file_helper_.write(formatted);
// Do the cleaning only at the end because it might throw on failure.
if (should_rotate && max_files_ > 0)
{
delete_old_();
}
}
void flush_() override
{
file_helper_.flush();
}
private:
void init_filenames_q_()
{
using details::os::path_exists;
filenames_q_ = details::circular_q<filename_t>(static_cast<size_t>(max_files_));
std::vector<filename_t> filenames;
auto now = log_clock::now();
while (filenames.size() < max_files_)
{
auto filename = FileNameCalc::calc_filename(base_filename_, now_tm(now));
if (!path_exists(filename))
{
break;
}
filenames.emplace_back(filename);
now -= std::chrono::hours(24);
}
for (auto iter = filenames.rbegin(); iter != filenames.rend(); ++iter)
{
filenames_q_.push_back(std::move(*iter));
}
}
tm now_tm(log_clock::time_point tp)
{
time_t tnow = log_clock::to_time_t(tp);
return spdlog::details::os::localtime(tnow);
}
log_clock::time_point next_rotation_tp_()
{
auto now = log_clock::now();
tm date = now_tm(now);
date.tm_hour = rotation_h_;
date.tm_min = rotation_m_;
date.tm_sec = 0;
auto rotation_time = log_clock::from_time_t(std::mktime(&date));
if (rotation_time > now)
{
return rotation_time;
}
return {rotation_time + std::chrono::hours(24)};
}
// Delete the file N rotations ago.
// Throw spdlog_ex on failure to delete the old file.
void delete_old_()
{
using details::os::filename_to_str;
using details::os::remove_if_exists;
filename_t current_file = file_helper_.filename();
if (filenames_q_.full())
{
auto old_filename = std::move(filenames_q_.front());
filenames_q_.pop_front();
bool ok = remove_if_exists(old_filename) == 0;
if (!ok)
{
filenames_q_.push_back(std::move(current_file));
throw_spdlog_ex("Failed removing daily file " + filename_to_str(old_filename), errno);
}
}
filenames_q_.push_back(std::move(current_file));
}
filename_t base_filename_;
int rotation_h_;
int rotation_m_;
log_clock::time_point rotation_tp_;
details::file_helper file_helper_;
bool truncate_;
uint16_t max_files_;
details::circular_q<filename_t> filenames_q_;
};
using daily_file_sink_mt = daily_file_sink<std::mutex>;
using daily_file_sink_st = daily_file_sink<details::null_mutex>;
} // namespace sinks
//
// factory functions
//
template<typename Factory = spdlog::synchronous_factory>
inline std::shared_ptr<logger> daily_logger_mt(
const std::string &logger_name, const filename_t &filename, int hour = 0, int minute = 0, bool truncate = false, uint16_t max_files = 0)
{
return Factory::template create<sinks::daily_file_sink_mt>(logger_name, filename, hour, minute, truncate, max_files);
}
template<typename Factory = spdlog::synchronous_factory>
inline std::shared_ptr<logger> daily_logger_st(
const std::string &logger_name, const filename_t &filename, int hour = 0, int minute = 0, bool truncate = false, uint16_t max_files = 0)
{
return Factory::template create<sinks::daily_file_sink_st>(logger_name, filename, hour, minute, truncate, max_files);
}
} // namespace spdlog

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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#include "base_sink.h"
#include <spdlog/details/log_msg.h>
#include <spdlog/details/null_mutex.h>
#include <spdlog/pattern_formatter.h>
#include <algorithm>
#include <memory>
#include <mutex>
#include <vector>
// Distribution sink (mux). Stores a vector of sinks which get called when log
// is called
namespace spdlog {
namespace sinks {
template<typename Mutex>
class dist_sink : public base_sink<Mutex>
{
public:
dist_sink() = default;
explicit dist_sink(std::vector<std::shared_ptr<sink>> sinks)
: sinks_(sinks)
{}
dist_sink(const dist_sink &) = delete;
dist_sink &operator=(const dist_sink &) = delete;
void add_sink(std::shared_ptr<sink> sink)
{
std::lock_guard<Mutex> lock(base_sink<Mutex>::mutex_);
sinks_.push_back(sink);
}
void remove_sink(std::shared_ptr<sink> sink)
{
std::lock_guard<Mutex> lock(base_sink<Mutex>::mutex_);
sinks_.erase(std::remove(sinks_.begin(), sinks_.end(), sink), sinks_.end());
}
void set_sinks(std::vector<std::shared_ptr<sink>> sinks)
{
std::lock_guard<Mutex> lock(base_sink<Mutex>::mutex_);
sinks_ = std::move(sinks);
}
std::vector<std::shared_ptr<sink>> &sinks()
{
return sinks_;
}
protected:
void sink_it_(const details::log_msg &msg) override
{
for (auto &sink : sinks_)
{
if (sink->should_log(msg.level))
{
sink->log(msg);
}
}
}
void flush_() override
{
for (auto &sink : sinks_)
{
sink->flush();
}
}
void set_pattern_(const std::string &pattern) override
{
set_formatter_(details::make_unique<spdlog::pattern_formatter>(pattern));
}
void set_formatter_(std::unique_ptr<spdlog::formatter> sink_formatter) override
{
base_sink<Mutex>::formatter_ = std::move(sink_formatter);
for (auto &sink : sinks_)
{
sink->set_formatter(base_sink<Mutex>::formatter_->clone());
}
}
std::vector<std::shared_ptr<sink>> sinks_;
};
using dist_sink_mt = dist_sink<std::mutex>;
using dist_sink_st = dist_sink<details::null_mutex>;
} // namespace sinks
} // namespace spdlog

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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#include "dist_sink.h"
#include <spdlog/details/null_mutex.h>
#include <spdlog/details/log_msg.h>
#include <mutex>
#include <string>
#include <chrono>
// Duplicate message removal sink.
// Skip the message if previous one is identical and less than "max_skip_duration" have passed
//
// Example:
//
// #include <spdlog/sinks/dup_filter_sink.h>
//
// int main() {
// auto dup_filter = std::make_shared<dup_filter_sink_st>(std::chrono::seconds(5));
// dup_filter->add_sink(std::make_shared<stdout_color_sink_mt>());
// spdlog::logger l("logger", dup_filter);
// l.info("Hello");
// l.info("Hello");
// l.info("Hello");
// l.info("Different Hello");
// }
//
// Will produce:
// [2019-06-25 17:50:56.511] [logger] [info] Hello
// [2019-06-25 17:50:56.512] [logger] [info] Skipped 3 duplicate messages..
// [2019-06-25 17:50:56.512] [logger] [info] Different Hello
namespace spdlog {
namespace sinks {
template<typename Mutex>
class dup_filter_sink : public dist_sink<Mutex>
{
public:
template<class Rep, class Period>
explicit dup_filter_sink(std::chrono::duration<Rep, Period> max_skip_duration)
: max_skip_duration_{max_skip_duration}
{}
protected:
std::chrono::microseconds max_skip_duration_;
log_clock::time_point last_msg_time_;
std::string last_msg_payload_;
size_t skip_counter_ = 0;
void sink_it_(const details::log_msg &msg) override
{
bool filtered = filter_(msg);
if (!filtered)
{
skip_counter_ += 1;
return;
}
// log the "skipped.." message
if (skip_counter_ > 0)
{
memory_buf_t buf;
fmt::format_to(buf, "Skipped {} duplicate messages..", skip_counter_);
details::log_msg skipped_msg{msg.logger_name, msg.level, string_view_t{buf.data(), buf.size()}};
dist_sink<Mutex>::sink_it_(skipped_msg);
}
// log current message
dist_sink<Mutex>::sink_it_(msg);
last_msg_time_ = msg.time;
skip_counter_ = 0;
last_msg_payload_.assign(msg.payload.data(), msg.payload.data() + msg.payload.size());
}
// return whether the log msg should be displayed (true) or skipped (false)
bool filter_(const details::log_msg &msg)
{
auto filter_duration = msg.time - last_msg_time_;
return (filter_duration > max_skip_duration_) || (msg.payload != last_msg_payload_);
}
};
using dup_filter_sink_mt = dup_filter_sink<std::mutex>;
using dup_filter_sink_st = dup_filter_sink<details::null_mutex>;
} // namespace sinks
} // namespace spdlog

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core/src/spdlog/sinks/msvc_sink.h
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// Copyright(c) 2016 Alexander Dalshov.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#if defined(_WIN32)
#include <spdlog/details/null_mutex.h>
#include <spdlog/sinks/base_sink.h>
#include <spdlog/details/windows_include.h>
#include <winbase.h>
#include <mutex>
#include <string>
namespace spdlog {
namespace sinks {
/*
* MSVC sink (logging using OutputDebugStringA)
*/
template<typename Mutex>
class msvc_sink : public base_sink<Mutex>
{
public:
explicit msvc_sink() {}
protected:
void sink_it_(const details::log_msg &msg) override
{
memory_buf_t formatted;
base_sink<Mutex>::formatter_->format(msg, formatted);
OutputDebugStringA(fmt::to_string(formatted).c_str());
}
void flush_() override {}
};
using msvc_sink_mt = msvc_sink<std::mutex>;
using msvc_sink_st = msvc_sink<details::null_mutex>;
using windebug_sink_mt = msvc_sink_mt;
using windebug_sink_st = msvc_sink_st;
} // namespace sinks
} // namespace spdlog
#endif

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core/src/spdlog/sinks/null_sink.h
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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#include <spdlog/details/null_mutex.h>
#include <spdlog/sinks/base_sink.h>
#include <spdlog/details/synchronous_factory.h>
#include <mutex>
namespace spdlog {
namespace sinks {
template<typename Mutex>
class null_sink : public base_sink<Mutex>
{
protected:
void sink_it_(const details::log_msg &) override {}
void flush_() override {}
};
using null_sink_mt = null_sink<details::null_mutex>;
using null_sink_st = null_sink<details::null_mutex>;
} // namespace sinks
template<typename Factory = spdlog::synchronous_factory>
inline std::shared_ptr<logger> null_logger_mt(const std::string &logger_name)
{
auto null_logger = Factory::template create<sinks::null_sink_mt>(logger_name);
null_logger->set_level(level::off);
return null_logger;
}
template<typename Factory = spdlog::synchronous_factory>
inline std::shared_ptr<logger> null_logger_st(const std::string &logger_name)
{
auto null_logger = Factory::template create<sinks::null_sink_st>(logger_name);
null_logger->set_level(level::off);
return null_logger;
}
} // namespace spdlog

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core/src/spdlog/sinks/ostream_sink.h
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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#include <spdlog/details/null_mutex.h>
#include <spdlog/sinks/base_sink.h>
#include <mutex>
#include <ostream>
namespace spdlog {
namespace sinks {
template<typename Mutex>
class ostream_sink final : public base_sink<Mutex>
{
public:
explicit ostream_sink(std::ostream &os, bool force_flush = false)
: ostream_(os)
, force_flush_(force_flush)
{}
ostream_sink(const ostream_sink &) = delete;
ostream_sink &operator=(const ostream_sink &) = delete;
protected:
void sink_it_(const details::log_msg &msg) override
{
memory_buf_t formatted;
base_sink<Mutex>::formatter_->format(msg, formatted);
ostream_.write(formatted.data(), static_cast<std::streamsize>(formatted.size()));
if (force_flush_)
{
ostream_.flush();
}
}
void flush_() override
{
ostream_.flush();
}
std::ostream &ostream_;
bool force_flush_;
};
using ostream_sink_mt = ostream_sink<std::mutex>;
using ostream_sink_st = ostream_sink<details::null_mutex>;
} // namespace sinks
} // namespace spdlog

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core/src/spdlog/sinks/ringbuffer_sink.h
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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#include "spdlog/sinks/base_sink.h"
#include "spdlog/details/circular_q.h"
#include "spdlog/details/log_msg_buffer.h"
#include "spdlog/details/null_mutex.h"
#include <mutex>
#include <string>
#include <vector>
namespace spdlog {
namespace sinks {
/*
* Ring buffer sink
*/
template<typename Mutex>
class ringbuffer_sink final : public base_sink<Mutex>
{
public:
explicit ringbuffer_sink(size_t n_items)
: q_{n_items}
{}
std::vector<details::log_msg_buffer> last_raw(size_t lim = 0)
{
std::lock_guard<Mutex> lock(base_sink<Mutex>::mutex_);
auto items_available = q_.size();
auto n_items = lim > 0 ? (std::min)(lim, items_available) : items_available;
std::vector<details::log_msg_buffer> ret;
ret.reserve(n_items);
for (size_t i = (items_available - n_items); i < items_available; i++)
{
ret.push_back(q_.at(i));
}
return ret;
}
std::vector<std::string> last_formatted(size_t lim = 0)
{
std::lock_guard<Mutex> lock(base_sink<Mutex>::mutex_);
auto items_available = q_.size();
auto n_items = lim > 0 ? (std::min)(lim, items_available) : items_available;
std::vector<std::string> ret;
ret.reserve(n_items);
for (size_t i = (items_available - n_items); i < items_available; i++)
{
memory_buf_t formatted;
base_sink<Mutex>::formatter_->format(q_.at(i), formatted);
ret.push_back(fmt::to_string(formatted));
}
return ret;
}
protected:
void sink_it_(const details::log_msg &msg) override
{
q_.push_back(details::log_msg_buffer{msg});
}
void flush_() override {}
private:
details::circular_q<details::log_msg_buffer> q_;
};
using ringbuffer_sink_mt = ringbuffer_sink<std::mutex>;
using ringbuffer_sink_st = ringbuffer_sink<details::null_mutex>;
} // namespace sinks
} // namespace spdlog

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core/src/spdlog/sinks/rotating_file_sink-inl.h
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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#ifndef SPDLOG_HEADER_ONLY
#include <spdlog/sinks/rotating_file_sink.h>
#endif
#include <spdlog/common.h>
#include <spdlog/details/file_helper.h>
#include <spdlog/details/null_mutex.h>
#include <spdlog/fmt/fmt.h>
#include <cerrno>
#include <chrono>
#include <ctime>
#include <mutex>
#include <string>
#include <tuple>
namespace spdlog {
namespace sinks {
template<typename Mutex>
SPDLOG_INLINE rotating_file_sink<Mutex>::rotating_file_sink(
filename_t base_filename, std::size_t max_size, std::size_t max_files, bool rotate_on_open)
: base_filename_(std::move(base_filename))
, max_size_(max_size)
, max_files_(max_files)
{
file_helper_.open(calc_filename(base_filename_, 0));
current_size_ = file_helper_.size(); // expensive. called only once
if (rotate_on_open && current_size_ > 0)
{
rotate_();
}
}
// calc filename according to index and file extension if exists.
// e.g. calc_filename("logs/mylog.txt, 3) => "logs/mylog.3.txt".
template<typename Mutex>
SPDLOG_INLINE filename_t rotating_file_sink<Mutex>::calc_filename(const filename_t &filename, std::size_t index)
{
if (index == 0u)
{
return filename;
}
filename_t basename, ext;
std::tie(basename, ext) = details::file_helper::split_by_extension(filename);
return fmt::format(SPDLOG_FILENAME_T("{}.{}{}"), basename, index, ext);
}
template<typename Mutex>
SPDLOG_INLINE filename_t rotating_file_sink<Mutex>::filename()
{
std::lock_guard<Mutex> lock(base_sink<Mutex>::mutex_);
return file_helper_.filename();
}
template<typename Mutex>
SPDLOG_INLINE void rotating_file_sink<Mutex>::sink_it_(const details::log_msg &msg)
{
memory_buf_t formatted;
base_sink<Mutex>::formatter_->format(msg, formatted);
current_size_ += formatted.size();
if (current_size_ > max_size_)
{
rotate_();
current_size_ = formatted.size();
}
file_helper_.write(formatted);
}
template<typename Mutex>
SPDLOG_INLINE void rotating_file_sink<Mutex>::flush_()
{
file_helper_.flush();
}
// Rotate files:
// log.txt -> log.1.txt
// log.1.txt -> log.2.txt
// log.2.txt -> log.3.txt
// log.3.txt -> delete
template<typename Mutex>
SPDLOG_INLINE void rotating_file_sink<Mutex>::rotate_()
{
using details::os::filename_to_str;
using details::os::path_exists;
file_helper_.close();
for (auto i = max_files_; i > 0; --i)
{
filename_t src = calc_filename(base_filename_, i - 1);
if (!path_exists(src))
{
continue;
}
filename_t target = calc_filename(base_filename_, i);
if (!rename_file_(src, target))
{
// if failed try again after a small delay.
// this is a workaround to a windows issue, where very high rotation
// rates can cause the rename to fail with permission denied (because of antivirus?).
details::os::sleep_for_millis(100);
if (!rename_file_(src, target))
{
file_helper_.reopen(true); // truncate the log file anyway to prevent it to grow beyond its limit!
current_size_ = 0;
throw_spdlog_ex("rotating_file_sink: failed renaming " + filename_to_str(src) + " to " + filename_to_str(target), errno);
}
}
}
file_helper_.reopen(true);
}
// delete the target if exists, and rename the src file to target
// return true on success, false otherwise.
template<typename Mutex>
SPDLOG_INLINE bool rotating_file_sink<Mutex>::rename_file_(const filename_t &src_filename, const filename_t &target_filename)
{
// try to delete the target file in case it already exists.
(void)details::os::remove(target_filename);
return details::os::rename(src_filename, target_filename) == 0;
}
} // namespace sinks
} // namespace spdlog

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core/src/spdlog/sinks/rotating_file_sink.h
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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#include <spdlog/sinks/base_sink.h>
#include <spdlog/details/file_helper.h>
#include <spdlog/details/null_mutex.h>
#include <spdlog/details/synchronous_factory.h>
#include <chrono>
#include <mutex>
#include <string>
namespace spdlog {
namespace sinks {
//
// Rotating file sink based on size
//
template<typename Mutex>
class rotating_file_sink final : public base_sink<Mutex>
{
public:
rotating_file_sink(filename_t base_filename, std::size_t max_size, std::size_t max_files, bool rotate_on_open = false);
static filename_t calc_filename(const filename_t &filename, std::size_t index);
filename_t filename();
protected:
void sink_it_(const details::log_msg &msg) override;
void flush_() override;
private:
// Rotate files:
// log.txt -> log.1.txt
// log.1.txt -> log.2.txt
// log.2.txt -> log.3.txt
// log.3.txt -> delete
void rotate_();
// delete the target if exists, and rename the src file to target
// return true on success, false otherwise.
bool rename_file_(const filename_t &src_filename, const filename_t &target_filename);
filename_t base_filename_;
std::size_t max_size_;
std::size_t max_files_;
std::size_t current_size_;
details::file_helper file_helper_;
};
using rotating_file_sink_mt = rotating_file_sink<std::mutex>;
using rotating_file_sink_st = rotating_file_sink<details::null_mutex>;
} // namespace sinks
//
// factory functions
//
template<typename Factory = spdlog::synchronous_factory>
inline std::shared_ptr<logger> rotating_logger_mt(
const std::string &logger_name, const filename_t &filename, size_t max_file_size, size_t max_files, bool rotate_on_open = false)
{
return Factory::template create<sinks::rotating_file_sink_mt>(logger_name, filename, max_file_size, max_files, rotate_on_open);
}
template<typename Factory = spdlog::synchronous_factory>
inline std::shared_ptr<logger> rotating_logger_st(
const std::string &logger_name, const filename_t &filename, size_t max_file_size, size_t max_files, bool rotate_on_open = false)
{
return Factory::template create<sinks::rotating_file_sink_st>(logger_name, filename, max_file_size, max_files, rotate_on_open);
}
} // namespace spdlog
#ifdef SPDLOG_HEADER_ONLY
#include "rotating_file_sink-inl.h"
#endif

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core/src/spdlog/sinks/sink-inl.h
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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#ifndef SPDLOG_HEADER_ONLY
#include <spdlog/sinks/sink.h>
#endif
#include <spdlog/common.h>
SPDLOG_INLINE bool spdlog::sinks::sink::should_log(spdlog::level::level_enum msg_level) const
{
return msg_level >= level_.load(std::memory_order_relaxed);
}
SPDLOG_INLINE void spdlog::sinks::sink::set_level(level::level_enum log_level)
{
level_.store(log_level, std::memory_order_relaxed);
}
SPDLOG_INLINE spdlog::level::level_enum spdlog::sinks::sink::level() const
{
return static_cast<spdlog::level::level_enum>(level_.load(std::memory_order_relaxed));
}

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core/src/spdlog/sinks/sink.h
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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#include <spdlog/details/log_msg.h>
#include <spdlog/formatter.h>
namespace spdlog {
namespace sinks {
class SPDLOG_API sink
{
public:
virtual ~sink() = default;
virtual void log(const details::log_msg &msg) = 0;
virtual void flush() = 0;
virtual void set_pattern(const std::string &pattern) = 0;
virtual void set_formatter(std::unique_ptr<spdlog::formatter> sink_formatter) = 0;
void set_level(level::level_enum log_level);
level::level_enum level() const;
bool should_log(level::level_enum msg_level) const;
protected:
// sink log level - default is all
level_t level_{level::trace};
};
} // namespace sinks
} // namespace spdlog
#ifdef SPDLOG_HEADER_ONLY
#include "sink-inl.h"
#endif

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core/src/spdlog/sinks/stdout_color_sinks-inl.h
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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#ifndef SPDLOG_HEADER_ONLY
#include <spdlog/sinks/stdout_color_sinks.h>
#endif
#include <spdlog/logger.h>
#include <spdlog/common.h>
namespace spdlog {
template<typename Factory>
SPDLOG_INLINE std::shared_ptr<logger> stdout_color_mt(const std::string &logger_name, color_mode mode)
{
return Factory::template create<sinks::stdout_color_sink_mt>(logger_name, mode);
}
template<typename Factory>
SPDLOG_INLINE std::shared_ptr<logger> stdout_color_st(const std::string &logger_name, color_mode mode)
{
return Factory::template create<sinks::stdout_color_sink_st>(logger_name, mode);
}
template<typename Factory>
SPDLOG_INLINE std::shared_ptr<logger> stderr_color_mt(const std::string &logger_name, color_mode mode)
{
return Factory::template create<sinks::stderr_color_sink_mt>(logger_name, mode);
}
template<typename Factory>
SPDLOG_INLINE std::shared_ptr<logger> stderr_color_st(const std::string &logger_name, color_mode mode)
{
return Factory::template create<sinks::stderr_color_sink_st>(logger_name, mode);
}
} // namespace spdlog

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core/src/spdlog/sinks/stdout_color_sinks.h
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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#ifdef _WIN32
#include <spdlog/sinks/wincolor_sink.h>
#else
#include <spdlog/sinks/ansicolor_sink.h>
#endif
#include <spdlog/details/synchronous_factory.h>
namespace spdlog {
namespace sinks {
#ifdef _WIN32
using stdout_color_sink_mt = wincolor_stdout_sink_mt;
using stdout_color_sink_st = wincolor_stdout_sink_st;
using stderr_color_sink_mt = wincolor_stderr_sink_mt;
using stderr_color_sink_st = wincolor_stderr_sink_st;
#else
using stdout_color_sink_mt = ansicolor_stdout_sink_mt;
using stdout_color_sink_st = ansicolor_stdout_sink_st;
using stderr_color_sink_mt = ansicolor_stderr_sink_mt;
using stderr_color_sink_st = ansicolor_stderr_sink_st;
#endif
} // namespace sinks
template<typename Factory = spdlog::synchronous_factory>
std::shared_ptr<logger> stdout_color_mt(const std::string &logger_name, color_mode mode = color_mode::automatic);
template<typename Factory = spdlog::synchronous_factory>
std::shared_ptr<logger> stdout_color_st(const std::string &logger_name, color_mode mode = color_mode::automatic);
template<typename Factory = spdlog::synchronous_factory>
std::shared_ptr<logger> stderr_color_mt(const std::string &logger_name, color_mode mode = color_mode::automatic);
template<typename Factory = spdlog::synchronous_factory>
std::shared_ptr<logger> stderr_color_st(const std::string &logger_name, color_mode mode = color_mode::automatic);
} // namespace spdlog
#ifdef SPDLOG_HEADER_ONLY
#include "stdout_color_sinks-inl.h"
#endif

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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#ifndef SPDLOG_HEADER_ONLY
#include <spdlog/sinks/stdout_sinks.h>
#endif
#include <spdlog/details/console_globals.h>
#include <spdlog/pattern_formatter.h>
#include <memory>
namespace spdlog {
namespace sinks {
template<typename ConsoleMutex>
SPDLOG_INLINE stdout_sink_base<ConsoleMutex>::stdout_sink_base(FILE *file)
: mutex_(ConsoleMutex::mutex())
, file_(file)
, formatter_(details::make_unique<spdlog::pattern_formatter>())
{}
template<typename ConsoleMutex>
SPDLOG_INLINE void stdout_sink_base<ConsoleMutex>::log(const details::log_msg &msg)
{
std::lock_guard<mutex_t> lock(mutex_);
memory_buf_t formatted;
formatter_->format(msg, formatted);
fwrite(formatted.data(), sizeof(char), formatted.size(), file_);
fflush(file_); // flush every line to terminal
}
template<typename ConsoleMutex>
SPDLOG_INLINE void stdout_sink_base<ConsoleMutex>::flush()
{
std::lock_guard<mutex_t> lock(mutex_);
fflush(file_);
}
template<typename ConsoleMutex>
SPDLOG_INLINE void stdout_sink_base<ConsoleMutex>::set_pattern(const std::string &pattern)
{
std::lock_guard<mutex_t> lock(mutex_);
formatter_ = std::unique_ptr<spdlog::formatter>(new pattern_formatter(pattern));
}
template<typename ConsoleMutex>
SPDLOG_INLINE void stdout_sink_base<ConsoleMutex>::set_formatter(std::unique_ptr<spdlog::formatter> sink_formatter)
{
std::lock_guard<mutex_t> lock(mutex_);
formatter_ = std::move(sink_formatter);
}
// stdout sink
template<typename ConsoleMutex>
SPDLOG_INLINE stdout_sink<ConsoleMutex>::stdout_sink()
: stdout_sink_base<ConsoleMutex>(stdout)
{}
// stderr sink
template<typename ConsoleMutex>
SPDLOG_INLINE stderr_sink<ConsoleMutex>::stderr_sink()
: stdout_sink_base<ConsoleMutex>(stderr)
{}
} // namespace sinks
// factory methods
template<typename Factory>
SPDLOG_INLINE std::shared_ptr<logger> stdout_logger_mt(const std::string &logger_name)
{
return Factory::template create<sinks::stdout_sink_mt>(logger_name);
}
template<typename Factory>
SPDLOG_INLINE std::shared_ptr<logger> stdout_logger_st(const std::string &logger_name)
{
return Factory::template create<sinks::stdout_sink_st>(logger_name);
}
template<typename Factory>
SPDLOG_INLINE std::shared_ptr<logger> stderr_logger_mt(const std::string &logger_name)
{
return Factory::template create<sinks::stderr_sink_mt>(logger_name);
}
template<typename Factory>
SPDLOG_INLINE std::shared_ptr<logger> stderr_logger_st(const std::string &logger_name)
{
return Factory::template create<sinks::stderr_sink_st>(logger_name);
}
} // namespace spdlog

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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#include <spdlog/details/console_globals.h>
#include <spdlog/details/synchronous_factory.h>
#include <spdlog/sinks/sink.h>
#include <cstdio>
namespace spdlog {
namespace sinks {
template<typename ConsoleMutex>
class stdout_sink_base : public sink
{
public:
using mutex_t = typename ConsoleMutex::mutex_t;
explicit stdout_sink_base(FILE *file);
~stdout_sink_base() override = default;
stdout_sink_base(const stdout_sink_base &other) = delete;
stdout_sink_base(stdout_sink_base &&other) = delete;
stdout_sink_base &operator=(const stdout_sink_base &other) = delete;
stdout_sink_base &operator=(stdout_sink_base &&other) = delete;
void log(const details::log_msg &msg) override;
void flush() override;
void set_pattern(const std::string &pattern) override;
void set_formatter(std::unique_ptr<spdlog::formatter> sink_formatter) override;
protected:
mutex_t &mutex_;
FILE *file_;
std::unique_ptr<spdlog::formatter> formatter_;
};
template<typename ConsoleMutex>
class stdout_sink : public stdout_sink_base<ConsoleMutex>
{
public:
stdout_sink();
};
template<typename ConsoleMutex>
class stderr_sink : public stdout_sink_base<ConsoleMutex>
{
public:
stderr_sink();
};
using stdout_sink_mt = stdout_sink<details::console_mutex>;
using stdout_sink_st = stdout_sink<details::console_nullmutex>;
using stderr_sink_mt = stderr_sink<details::console_mutex>;
using stderr_sink_st = stderr_sink<details::console_nullmutex>;
} // namespace sinks
// factory methods
template<typename Factory = spdlog::synchronous_factory>
std::shared_ptr<logger> stdout_logger_mt(const std::string &logger_name);
template<typename Factory = spdlog::synchronous_factory>
std::shared_ptr<logger> stdout_logger_st(const std::string &logger_name);
template<typename Factory = spdlog::synchronous_factory>
std::shared_ptr<logger> stderr_logger_mt(const std::string &logger_name);
template<typename Factory = spdlog::synchronous_factory>
std::shared_ptr<logger> stderr_logger_st(const std::string &logger_name);
} // namespace spdlog
#ifdef SPDLOG_HEADER_ONLY
#include "stdout_sinks-inl.h"
#endif

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