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Diffstat (limited to 'core/io/packed_data_container.h')
| -rw-r--r-- | core/io/packed_data_container.h | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/core/io/packed_data_container.h b/core/io/packed_data_container.h new file mode 100644 index 0000000000..b784abcd16 --- /dev/null +++ b/core/io/packed_data_container.h @@ -0,0 +1,105 @@ +/*************************************************************************/ +/* packed_data_container.h */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2020 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 PACKED_DATA_CONTAINER_H +#define PACKED_DATA_CONTAINER_H + +#include "core/io/resource.h" + +class PackedDataContainer : public Resource { + GDCLASS(PackedDataContainer, Resource); + + enum { + 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, Map<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 Reference { + GDCLASS(PackedDataContainerRef, Reference); + + friend class PackedDataContainer; + uint32_t offset; + 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); + bool _is_dictionary() const; + + int size() const; + virtual Variant getvar(const Variant &p_key, bool *r_valid = nullptr) const override; + + PackedDataContainerRef() {} +}; + +#endif // PACKED_DATA_CONTAINER_H |