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/*************************************************************************/
/* 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
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