/* Minetest Copyright (C) 2017 nerzhul, Loic Blot This program is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ #pragma once // !!! WARNING !!! // This backend is intended to be used on Minetest 0.4.16 only for the transition backend // for player files #include "database.h" #include #include #include // for Json::Value class PlayerDatabaseFiles : public PlayerDatabase { public: PlayerDatabaseFiles(const std::string &savedir); virtual ~PlayerDatabaseFiles() = default; void savePlayer(RemotePlayer *player); bool loadPlayer(RemotePlayer *player, PlayerSAO *sao); bool removePlayer(const std::string &name); void listPlayers(std::vector &res); private: void deSerialize(RemotePlayer *p, std::istream &is, const std::string &playername, PlayerSAO *sao); /* serialize() writes a bunch of text that can contain any characters except a '\0', and such an ending that deSerialize stops reading exactly at the right point. */ void serialize(RemotePlayer *p, std::ostream &os); std::string m_savedir; }; class AuthDatabaseFiles : public AuthDatabase { public: AuthDatabaseFiles(const std::string &savedir); virtual ~AuthDatabaseFiles() = default; virtual bool getAuth(const std::string &name, AuthEntry &res); virtual bool saveAuth(const AuthEntry &authEntry); virtual bool createAuth(AuthEntry &authEntry); virtual bool deleteAuth(const std::string &name); virtual void listNames(std::vector &res); virtual void reload(); private: std::unordered_map m_auth_list; std::string m_savedir; bool readAuthFile(); bool writeAuthFile(); }; class ModStorageDatabaseFiles : public ModStorageDatabase { public: ModStorageDatabaseFiles(const std::string &savedir); virtual ~ModStorageDatabaseFiles() = default; virtual void getModEntries(const std::string &modname, StringMap *storage); virtual void getModKeys(const std::string &modname, std::vector *storage); virtual bool getModEntry(const std::string &modname, const std::string &key, std::string *value); virtual bool hasModEntry(const std::string &modname, const std::string &key); virtual bool setModEntry(const std::string &modname, const std::string &key, const std::string &value); virtual bool removeModEntry(const std::string &modname, const std::string &key); virtual bool removeModEntries(const std::string &modname); virtual void listMods(std::vector *res); virtual void beginSave(); virtual void endSave(); private: Json::Value *getOrCreateJson(const std::string &modname); bool writeJson(const std::string &modname, const Json::Value &json); std::string m_storage_dir; std::unordered_map m_mod_storage; std::unordered_set m_modified; };