Finish basic ui binding to ruby

include/localization/localization.h

@@ -5,11 +5,11 @@ namespace Localization {
 using Key = uint16_t;
 
 // Maps localization keys to their string identifiers. This is used for text elements to look up the correct localized string.
-extern std::unordered_map<std::string, Key> localization_key_map;
+inline std::unordered_map<std::string, Key> localization_key_map;
 
 using LanguageCode = uint32_t; // 32-bit integer to store the language code (e.g., "en", "fr", "es")
 
-extern LanguageCode current_language; // The currently active language code
+inline LanguageCode current_language = 'e' << 24 | 'n' << 16;
 
 using JoinedKey = uint64_t; // 64-bit integer to store the joined language code and key
 
@@ -17,12 +17,47 @@ inline JoinedKey join_keys(LanguageCode lang_code, Key loc_key) {
   return (static_cast<JoinedKey>(lang_code) << 16) | loc_key;
 }
 
-extern std::unordered_map<JoinedKey, std::string> localized_strings;
+inline std::unordered_map<JoinedKey, std::string> localized_strings;
 
 inline std::string get(Key key) {
   auto it = localized_strings.find(join_keys(current_language, key));
   if (it != localized_strings.end())
     return it->second;
-  return "";
+
+  for (const auto &[joined, value] : localized_strings) {
+    Key k = (Key)(joined & 0xFFFF);
+    if (k == key)
+      return value;
+  }
+
+  return "Localization not set!";
+}
+
+inline LanguageCode lang_from_sym(mrb_state *mrb, mrb_sym sym) {
+  const char *s = mrb_sym2name(mrb, sym);
+  size_t len = strlen(s);
+
+  if (len == 0 || len > 4)
+    return 0;
+
+  LanguageCode code = 0;
+
+  for (size_t i = 0; i < len; ++i) {
+    code |= (static_cast<LanguageCode>(s[i]) << (8 * (3 - i)));
+  }
+
+  return code;
+}
+
+inline Key key_from_sym(mrb_state *mrb, mrb_sym sym) {
+  const char *key_name = mrb_sym2name(mrb, sym);
+
+  auto it = localization_key_map.find(key_name);
+  if (it != localization_key_map.end())
+    return it->second;
+
+  Key new_id = (Key)localization_key_map.size();
+  localization_key_map[key_name] = new_id;
+  return new_id;
 }
 } // namespace Localization