add lua dv::bytes support

src/logic/scripting/lua/lua_util.cpp

@@ -51,12 +51,23 @@ int lua::pushvalue(State* L, const dv::value& value) {
             }
             break;
         }
-        case value_type::object: {
+        case value_type::object:
             createtable(L, 0, value.size());
             for (const auto& [key, elem] : value.asObject()) {
                 pushvalue(L, elem);
                 setfield(L, key);
             }
+            break;
+        case value_type::bytes: {
+            const auto& bytes = value.asBytes();
+            createtable(L, 0, bytes.size());
+            size_t size = bytes.size();
+            for (size_t i = 0; i < size;) {
+                pushinteger(L, bytes[i]);
+                i++;
+                rawseti(L, i);
+            }
+            break;
         }
     }
     return 1;

src/util/Buffer.hpp

@@ -61,5 +61,13 @@ namespace util {
         void resizeFast(size_t size) {
             length = size;
         }
+
+        const T* begin() const {
+            return ptr.get();
+        }
+
+        const T* end() const {
+            return ptr.get() + size;
+        }
     };
 }