From 8cbcec09fa062a3ffc43664882e5af6410a564a3 Mon Sep 17 00:00:00 2001
From: lauchmelder <robert.altner@einweckglas.com>
Date: Fri, 3 Jan 2025 14:48:36 +0100
Subject: [PATCH] add logging module

---
 CMakeLists.txt                                | 12 +++++-
 quark/CMakeLists.txt                          | 27 +++++++++++-
 quark/src/quark.hpp                           |  2 +-
 quark/src/quark/Application.cpp               |  3 +-
 .../quark/{Entrypoint.hpp => Entrypoint.cpp}  |  7 +--
 quark/src/quark/Logger.cpp                    | 19 ++++++++
 quark/src/quark/Logger.hpp                    | 43 +++++++++++++++++++
 7 files changed, 106 insertions(+), 7 deletions(-)
 rename quark/src/quark/{Entrypoint.hpp => Entrypoint.cpp} (72%)
 create mode 100644 quark/src/quark/Logger.cpp
 create mode 100644 quark/src/quark/Logger.hpp

diff --git a/CMakeLists.txt b/CMakeLists.txt
index b2abb9a..b8752dc 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,6 +1,16 @@
-cmake_minimum_required(VERSION 3.14)
+cmake_minimum_required(VERSION 3.24)
 
 project(quark)
 
+include(FetchContent)
+
+set(SPDLOG_BUILD_SHARED ON CACHE INTERNAL "")
+FetchContent_Declare(
+	spdlog
+	GIT_REPOSITORY https://github.com/gabime/spdlog
+	GIT_TAG 8e5613379f5140fefb0b60412fbf1f5406e7c7f8
+	FIND_PACKAGE_ARGS
+)
+
 add_subdirectory(quark)
 add_subdirectory(sandbox)
diff --git a/quark/CMakeLists.txt b/quark/CMakeLists.txt
index e44359b..60831e4 100644
--- a/quark/CMakeLists.txt
+++ b/quark/CMakeLists.txt
@@ -1,7 +1,32 @@
 project(quark CXX)
 
-add_library(quark SHARED
+FetchContent_MakeAvailable(spdlog)
+
+add_library(quark SHARED)
+
+target_sources(quark
+	PRIVATE
+	src/quark/Entrypoint.cpp
 	src/quark/Application.cpp
+	src/quark/Logger.cpp
+
+	PUBLIC FILE_SET HEADERS
+	BASE_DIRS ${CMAKE_CURRENT_SOURCE_DIR}/src FILES
+	src/quark.hpp
+	src/quark/Application.hpp
+	src/quark/Logger.hpp
 )
 
 target_include_directories(quark INTERFACE ${CMAKE_CURRENT_SOURCE_DIR}/src)
+
+target_link_libraries(quark
+	spdlog::spdlog
+)
+
+include(GNUInstallDirs)
+install(
+	TARGETS quark
+	RUNTIME_DEPENDENCIES
+	LIBRARY
+	FILE_SET HEADERS
+)
diff --git a/quark/src/quark.hpp b/quark/src/quark.hpp
index 81474fc..1f6198e 100644
--- a/quark/src/quark.hpp
+++ b/quark/src/quark.hpp
@@ -3,5 +3,5 @@
 // IWYU pragma: begin_exports
 #include "quark/Application.hpp"
 
-#include "quark/Entrypoint.hpp"
+#include "quark/Logger.hpp"
 // IWYU pragma: end_exports
diff --git a/quark/src/quark/Application.cpp b/quark/src/quark/Application.cpp
index e88a96b..d9dc027 100644
--- a/quark/src/quark/Application.cpp
+++ b/quark/src/quark/Application.cpp
@@ -1,10 +1,11 @@
 #include "Application.hpp"
+#include <spdlog/spdlog.h>
 
 namespace qk {
 
 	void Application::Run() const {
 		for(;;) {
-			
+
 		}
 	}
 
diff --git a/quark/src/quark/Entrypoint.hpp b/quark/src/quark/Entrypoint.cpp
similarity index 72%
rename from quark/src/quark/Entrypoint.hpp
rename to quark/src/quark/Entrypoint.cpp
index 63cbcda..4424b3f 100644
--- a/quark/src/quark/Entrypoint.hpp
+++ b/quark/src/quark/Entrypoint.cpp
@@ -1,11 +1,12 @@
-#pragma once
-// IWYU pragma: private, include <quark.hpp>
-
 #include "Application.hpp"
+#include "Logger.hpp"
 
 extern std::unique_ptr<qk::Application> qk::CreateApplication();
 
 int main(int argc, char** argv) {
+	qk::Logger::Init();
+	QK_CORE_INFO("Logger initialised");
+
 	auto application = qk::CreateApplication();
 	application->Run();
 
diff --git a/quark/src/quark/Logger.cpp b/quark/src/quark/Logger.cpp
new file mode 100644
index 0000000..b34473b
--- /dev/null
+++ b/quark/src/quark/Logger.cpp
@@ -0,0 +1,19 @@
+#include "Logger.hpp"
+
+#include <spdlog/sinks/stdout_color_sinks.h>
+
+namespace qk {
+	std::shared_ptr<spdlog::logger> Logger::coreLogger;
+	std::shared_ptr<spdlog::logger> Logger::clientLogger;
+
+	void Logger::Init() {
+		spdlog::set_pattern("[%^%l%$] %T.%e (%t) %n: %v");
+
+		coreLogger = spdlog::stdout_color_mt("quark");
+		coreLogger->set_level(spdlog::level::trace);
+
+		clientLogger = spdlog::stdout_color_mt("app");
+		clientLogger->set_level(spdlog::level::trace);
+	}
+}
+
diff --git a/quark/src/quark/Logger.hpp b/quark/src/quark/Logger.hpp
new file mode 100644
index 0000000..ac4f37b
--- /dev/null
+++ b/quark/src/quark/Logger.hpp
@@ -0,0 +1,43 @@
+#pragma once
+// IWYU pragma: private <quark.h>
+
+#include <memory>
+#include <spdlog/spdlog.h>
+
+namespace qk {
+	class Logger {
+	public:
+		static void Init();
+
+		inline static std::shared_ptr<spdlog::logger> GetCoreLogger() {
+			return coreLogger;
+		}
+
+		inline static std::shared_ptr<spdlog::logger> GetClientLogger() {
+			return clientLogger;
+		}
+
+	private:
+		static std::shared_ptr<spdlog::logger> coreLogger;
+		static std::shared_ptr<spdlog::logger> clientLogger;
+	};
+}
+
+#ifndef NDEBUG
+#	define QK_CORE_TRACE(...)    ::qk::Logger::GetCoreLogger()->trace(__VA_ARGS__)
+#else
+#	define QK_CORE_TRACE
+#endif
+#define QK_CORE_INFO(...)     ::qk::Logger::GetCoreLogger()->info(__VA_ARGS__)
+#define QK_CORE_WARN(...)     ::qk::Logger::GetCoreLogger()->warn(__VA_ARGS__)
+#define QK_CORE_ERROR(...)    ::qk::Logger::GetCoreLogger()->error(__VA_ARGS__)
+#define QK_CORE_CRITICAL(...) ::qk::Logger::GetCoreLogger()->critical(__VA_ARGS__)
+
+#ifndef NDEBUG
+#	define QK_TRACE(...)    ::qk::Logger::GetClientLogger()->trace(__VA_ARGS__)
+#else
+#	define QK_INFO(...)     ::qk::Logger::GetClientLogger()->info(__VA_ARGS__)
+#endif
+#define QK_WARN(...)     ::qk::Logger::GetClientLogger()->warn(__VA_ARGS__)
+#define QK_ERROR(...)    ::qk::Logger::GetClientLogger()->error(__VA_ARGS__)
+#define QK_CRITICAL(...) ::qk::Logger::GetClientLogger()->critical(__VA_ARGS__)