Peter Park
141 خطوط
4.3 KiB
C++
141 خطوط
4.3 KiB
C++
// MIT License
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//
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// Copyright (c) 2022-2025 Advanced Micro Devices, Inc. All Rights Reserved.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// 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, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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#pragma once
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#include "core/exception.hpp"
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#include <array>
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#include <atomic>
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#include <cstddef>
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#include <cstdint>
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#include <stdexcept>
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#include <vector>
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namespace rocprofsys
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{
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namespace container
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{
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template <typename Tp>
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struct c_array
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{
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// Construct an array wrapper from a base pointer and array size
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c_array(Tp* _base, size_t _size)
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: m_base{ _base }
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, m_size{ _size }
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{}
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~c_array() = default;
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c_array(const c_array&) = default;
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c_array& operator=(const c_array&) = default;
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c_array& operator=(c_array&&) noexcept = default;
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// Get the size of the wrapped array
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size_t size() const { return m_size; }
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// Access an element by index
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Tp& operator[](size_t i) { return m_base[i]; }
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// Access an element by index
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const Tp& operator[](size_t i) const { return m_base[i]; }
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// Access an element by index with bounds check
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Tp& at(size_t i)
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{
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if(i < m_size) return m_base[i];
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throw ::rocprofsys::exception<std::out_of_range>(
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std::string{ typeid(*this).name() } + std::to_string(i) + " exceeds size " +
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std::to_string(m_size));
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}
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// Access an element by index with bounds check
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const Tp& at(size_t i) const
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{
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if(i < m_size) return m_base[i];
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throw ::rocprofsys::exception<std::out_of_range>(
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std::string{ typeid(*this).name() } + std::to_string(i) + " exceeds size " +
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std::to_string(m_size));
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}
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// Get a slice of this array, from a start index (inclusive) to end index (exclusive)
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c_array<Tp> slice(size_t start, size_t end)
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{
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return c_array<Tp>(&m_base[start], end - start);
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}
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void pop_front()
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{
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++m_base;
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--m_size;
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}
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void pop_back() { --m_size; }
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operator Tp*() const { return m_base; }
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// Iterator class for convenient range-based for loop support
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template <typename Up>
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struct iterator
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{
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// Start the iterator at a given pointer
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iterator(Tp* p)
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: m_ptr{ p }
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{}
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// Advance to the next element
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void operator++() { ++m_ptr; }
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void operator++(int) { m_ptr++; }
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// Get the current element
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Up& operator*() const { return *m_ptr; }
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// Compare iterators
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bool operator==(const iterator& rhs) const { return m_ptr == rhs.m_ptr; }
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bool operator!=(const iterator& rhs) const { return m_ptr != rhs.m_ptr; }
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private:
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Tp* m_ptr = nullptr;
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};
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// Get an iterator positioned at the beginning of the wrapped array
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iterator<Tp> begin() { return iterator<Tp>{ m_base }; }
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iterator<const Tp> begin() const { return iterator<const Tp>{ m_base }; }
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// Get an iterator positioned at the end of the wrapped array
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iterator<Tp> end() { return iterator<Tp>{ &m_base[m_size] }; }
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iterator<const Tp> end() const { return iterator<const Tp>{ &m_base[m_size] }; }
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private:
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Tp* m_base = nullptr;
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size_t m_size = 0;
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};
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// Function for automatic template argument deduction
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template <typename Tp>
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c_array<Tp>
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wrap_c_array(Tp* base, size_t size)
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{
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return c_array<Tp>(base, size);
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}
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} // namespace container
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} // namespace rocprofsys
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