/*************************************************************************/ /* resource_uid.h */ /*************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* https://godotengine.org */ /*************************************************************************/ /* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */ /* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */ /* */ /* Permission is hereby granted, free of charge, to any person obtaining */ /* a copy of this software and associated documentation files (the */ /* "Software"), to deal in the Software without restriction, including */ /* without limitation the rights to use, copy, modify, merge, publish, */ /* distribute, sublicense, and/or sell copies of the Software, and to */ /* permit persons to whom the Software is furnished to do so, subject to */ /* the following conditions: */ /* */ /* The above copyright notice and this permission notice shall be */ /* included in all copies or substantial portions of the Software. */ /* */ /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /*************************************************************************/ #ifndef RESOURCE_UUID_H #define RESOURCE_UUID_H #include "core/object/ref_counted.h" #include "core/string/string_name.h" #include "core/templates/ordered_hash_map.h" class Crypto; class ResourceUID : public Object { GDCLASS(ResourceUID, Object) public: typedef int64_t ID; enum { INVALID_ID = -1 }; static const char *CACHE_FILE; private: mutable Ref<Crypto> crypto; Mutex mutex; struct Cache { CharString cs; bool saved_to_cache = false; }; OrderedHashMap<ID, Cache> unique_ids; //unique IDs and utf8 paths (less memory used) static ResourceUID *singleton; uint32_t cache_entries = 0; bool changed = false; protected: static void _bind_methods(); public: String id_to_text(ID p_id) const; ID text_to_id(const String &p_text) const; ID create_id() const; bool has_id(ID p_id) const; void add_id(ID p_id, const String &p_path); void set_id(ID p_id, const String &p_path); String get_id_path(ID p_id) const; void remove_id(ID p_id); Error load_from_cache(); Error save_to_cache(); Error update_cache(); void clear(); static ResourceUID *get_singleton() { return singleton; } ResourceUID(); ~ResourceUID(); }; #endif // RESOURCEUUID_H