index_table.hpp

// SPDX-License-Identifier: LGPL-2.1-or-later
 
#pragma once
 
#include <vitrio/export.hpp>
#include <vitrio/span.hpp>
 
#include <cstddef>
#include <vector>
 
namespace vitrio
{
 
class index_table
{
public:
    VITRIO_API
    index_table() noexcept;
 
    VITRIO_API
    explicit index_table(std::size_t rank);
 
    VITRIO_API
    index_table(const index_table &other);
    VITRIO_API
    index_table(index_table &&other) noexcept;
    VITRIO_API
    ~index_table();
 
    VITRIO_API
    index_table& operator=(const index_table &other);
    VITRIO_API
    index_table& operator=(index_table &&other) noexcept;
 
    VITRIO_API
    void add(span<const std::size_t> index);
 
    VITRIO_API
    void clear() noexcept;
 
    VITRIO_API
    void reserve(std::size_t count);
 
    VITRIO_API
    std::size_t get_rank() const noexcept;
 
    VITRIO_API
    std::size_t get_index_count() const noexcept;
 
    VITRIO_API
    span<const std::size_t> get(std::size_t position) const noexcept;
 
private:
    std::vector<std::size_t> m_values;
    std::size_t m_rank;
    std::size_t m_size;
};
 
} // namespace vitrio