mirror of
https://github.com/Relintai/pandemonium_engine.git
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71 lines
2.9 KiB
C++
71 lines
2.9 KiB
C++
#ifndef BITARRAY_H
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#define BITARRAY_H
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/*************************************************************************/
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/* bit_array.h */
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/*************************************************************************/
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/* This file is part of: */
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/* PANDEMONIUM ENGINE */
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/* https://github.com/Relintai/pandemonium_engine */
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/*************************************************************************/
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/* Copyright (c) 2022-present Péter Magyar. */
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/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
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/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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/**
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@author AndreaCatania
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*/
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#include "core/containers/vector.h"
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class BitArray {
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Vector<uint8_t> bytes;
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public:
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BitArray() = default;
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BitArray(uint32_t p_initial_size_in_bit);
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BitArray(const Vector<uint8_t> &p_bytes);
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const Vector<uint8_t> &get_bytes() const {
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return bytes;
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}
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Vector<uint8_t> &get_bytes_mut() {
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return bytes;
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}
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void resize_in_bytes(int p_bits);
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int size_in_bytes() const;
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void resize_in_bits(int p_bits);
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int size_in_bits() const;
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void store_bits(int p_bit_offset, uint64_t p_value, int p_bits);
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uint64_t read_bits(int p_bit_offset, int p_bits) const;
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// Puts all the bytes to 0.
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void zero();
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};
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#endif
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