initial commit

include/cli/cli.hpp

@@ -0,0 +1,23 @@
+#pragma once
+
+#include <cstdint>
+#include <expected>
+#include <filesystem>
+#include <string_view>
+
+enum class cli_args_parse_err : std::uint8_t {
+    not_enough_args,
+    invalid_argument,
+};
+
+class cli {
+  public:
+    static std::expected<cli, cli_args_parse_err> try_construct(int argc, char** argv);
+
+    static void             print_usage();
+    static std::string_view cli_args_parse_err_str(cli_args_parse_err err);
+
+  public:
+    std::filesystem::path root_path {};
+    bool                  prefer_x11 = false;
+};