Add config class

src/config.cpp

@@ -0,0 +1,53 @@
+#include "config.hpp"
+
+#include <fstream>
+
+#include "helpers.hpp"
+#include "toml.hpp"
+
+// Largely based on https://github.com/nba-emu/NanoBoyAdvance/blob/master/src/platform/core/src/config.cpp
+
+void EmulatorConfig::load(const std::filesystem::path& path) {
+	// If the configuration file does not exist, create it and return
+	if (!std::filesystem::exists(path)) {
+		save(path);
+		return;
+	}
+
+	toml::value data;
+
+	try {
+		data = toml::parse(path);
+	} catch (std::exception& ex) {
+		Helpers::warn("Got exception trying to load config file. Exception: %s\n", ex.what());
+		return;
+	}
+
+	if (data.contains("GPU")) {
+		auto gpuResult = toml::expect<toml::value>(data.at("GPU"));
+		if (gpuResult.is_ok()) {
+			auto gpu = gpuResult.unwrap();
+
+			shaderJitEnabled = toml::find_or<toml::boolean>(gpu, "EnableShaderJIT", false);
+		}
+	}
+}
+
+void EmulatorConfig::save(const std::filesystem::path& path) {
+	toml::basic_value<toml::preserve_comments> data;
+
+	if (std::filesystem::exists(path)) {
+		try {
+			data = toml::parse<toml::preserve_comments>(path);
+		} catch (std::exception& ex) {
+			Helpers::warn("Got exception trying to save config file. Exception: %s\n", ex.what());
+			return;
+		}
+	}
+
+	data["GPU"]["EnableShaderJIT"] = shaderJitEnabled;
+
+	std::ofstream file(path, std::ios::out);
+	file << data;
+	file.close();
+}