Method LoadFromCustomLoader

Plugins/UnLua/Source/UnLua/Private/LuaEnv.cpp:512–550

    }

    int FLuaEnv::LoadFromCustomLoader(lua_State* L)
    {
        auto& Env = *(FLuaEnv*)lua_touserdata(L, lua_upvalueindex(1));
        if (FUnLuaDelegates::CustomLoadLuaFile.IsBound())
        {
            // legacy support
            const FString FileName(UTF8_TO_TCHAR(lua_tostring(L, 1)));
            TArray<uint8> Data;
            FString ChunkName(TEXT("chunk"));
            if (FUnLuaDelegates::CustomLoadLuaFile.Execute(Env, FileName, Data, ChunkName))
            {
                if (Env.LoadString(Data, ChunkName))
                    return 1;

                return luaL_error(L, "file loading from custom loader error");
            }
            return 0;
        }

        if (Env.CustomLoaders.Num() == 0)
            return 0;

        const FString FileName(UTF8_TO_TCHAR(lua_tostring(L, 1)));

        TArray<uint8> Data;
        FString ChunkName(TEXT("chunk"));
        for (auto& Loader : Env.CustomLoaders)
        {
            if (!Loader.Execute(Env, FileName, Data, ChunkName))
                continue;

            if (Env.LoadString(Data, ChunkName))
                break;

            return luaL_error(L, "file loading from custom loader error");
        }

        return 1;
    }

    int FLuaEnv::LoadFromFileSystem(lua_State* L)
    {