feat: add logger class

src/logger.h

@@ -0,0 +1,48 @@
+#ifndef LOGGER_H_
+#define LOGGER_H_
+
+#include <sstream>
+#include <string>
+#include <vector>
+
+// Utility: Concatenate any types into a string
+template <typename... Args>
+std::string sstr(Args&&... args)
+{
+	std::ostringstream stream;
+	stream << std::dec;
+	((stream << args), ...);
+	return stream.str();
+}
+
+// Log types
+enum class LogType {
+	info = 0,
+	warn,
+	error
+};
+
+// Log entry structure
+struct LogEntry {
+	LogType	    type{LogType::info};
+	std::string message{};
+};
+
+// Logger class
+class Logger {
+public:
+	static void info(const std::string& message);
+	static void warn(const std::string& message);
+	static void error(const std::string& message);
+
+	[[nodiscard]] static const std::vector<LogEntry>& messages()
+	{
+		return messages_;
+	}
+	static void clear() { messages_.clear(); }
+
+private:
+	inline static std::vector<LogEntry> messages_{};
+};
+
+#endif // LOGGER_H_