reorganized the project, some idea of how to handle settings

src/settings.h

@@ -0,0 +1,39 @@
+#pragma once
+
+#include <string>
+#include <string_view>
+#include <optional>
+#include <vector>
+#include <array>
+#include <algorithm>
+
+#include "loggable.h"
+
+class Settings {
+public:
+    enum Action {
+        convert,
+        help,
+        printConfig,
+        _actionsSize
+    };
+
+    Settings(int argc, char **argv);
+
+    std::string getInput() const;
+    std::string getOutput() const;
+    Loggable::Severity getLogLevel() const;
+    Action getAction() const;
+
+private:
+    void parseArguments();
+
+    static std::string_view stripFlags(const std::string_view& option);
+
+private:
+    std::vector<std::string_view> arguments;
+    std::optional<Action> action;
+    std::optional<std::string> input;
+    std::optional<std::string> output;
+    std::optional<Loggable::Severity> logLevel;
+};