godot/core/io/packed_data_container.h

105 lines
4.1 KiB
C++

/**************************************************************************/
/* packed_data_container.h */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* 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 PACKED_DATA_CONTAINER_H
#define PACKED_DATA_CONTAINER_H
#include "core/io/resource.h"
class PackedDataContainer : public Resource {
GDCLASS(PackedDataContainer, Resource);
enum : uint32_t {
TYPE_DICT = 0xFFFFFFFF,
TYPE_ARRAY = 0xFFFFFFFE,
};
struct DictKey {
uint32_t hash;
Variant key;
bool operator<(const DictKey &p_key) const { return hash < p_key.hash; }
};
Vector<uint8_t> data;
int datalen = 0;
uint32_t _pack(const Variant &p_data, Vector<uint8_t> &tmpdata, HashMap<String, uint32_t> &string_cache);
Variant _iter_init_ofs(const Array &p_iter, uint32_t p_offset);
Variant _iter_next_ofs(const Array &p_iter, uint32_t p_offset);
Variant _iter_get_ofs(const Variant &p_iter, uint32_t p_offset);
Variant _iter_init(const Array &p_iter);
Variant _iter_next(const Array &p_iter);
Variant _iter_get(const Variant &p_iter);
friend class PackedDataContainerRef;
Variant _key_at_ofs(uint32_t p_ofs, const Variant &p_key, bool &err) const;
Variant _get_at_ofs(uint32_t p_ofs, const uint8_t *p_buf, bool &err) const;
uint32_t _type_at_ofs(uint32_t p_ofs) const;
int _size(uint32_t p_ofs) const;
protected:
void _set_data(const Vector<uint8_t> &p_data);
Vector<uint8_t> _get_data() const;
static void _bind_methods();
public:
virtual Variant getvar(const Variant &p_key, bool *r_valid = nullptr) const override;
Error pack(const Variant &p_data);
int size() const;
PackedDataContainer() {}
};
class PackedDataContainerRef : public RefCounted {
GDCLASS(PackedDataContainerRef, RefCounted);
friend class PackedDataContainer;
uint32_t offset = 0;
Ref<PackedDataContainer> from;
protected:
static void _bind_methods();
public:
Variant _iter_init(const Array &p_iter);
Variant _iter_next(const Array &p_iter);
Variant _iter_get(const Variant &p_iter);
int size() const;
virtual Variant getvar(const Variant &p_key, bool *r_valid = nullptr) const override;
PackedDataContainerRef() {}
};
#endif // PACKED_DATA_CONTAINER_H