const_array_ref.hpp

// SPDX-License-Identifier: LGPL-2.1-or-later
 
#pragma once
 
#include <vitrio/array/array_descriptor.hpp>
#include <vitrio/array/array_ref.hpp>
#include <vitrio/byte.hpp>
#include <vitrio/export.hpp>
#include <vitrio/span.hpp>
 
namespace vitrio
{
 
class array;
class const_array;
 
class const_array_ref
{
public:
    VITRIO_API
    const_array_ref() noexcept;
 
    VITRIO_API
    const_array_ref(
        span<const byte> memory,
        const array_descriptor &descriptor
    );
 
    // A temporary descriptor would be gone before the reference is used.
    const_array_ref(
        span<const byte> memory,
        const array_descriptor &&descriptor
    ) = delete;
 
    VITRIO_API
    const_array_ref(const array &other) noexcept;
 
    VITRIO_API
    const_array_ref(const const_array &other) noexcept;
 
    VITRIO_API
    const_array_ref(array_ref other) noexcept;
 
    const_array_ref(const const_array_ref &other) noexcept = default;
    ~const_array_ref() = default;
 
    const_array_ref&
    operator=(const const_array_ref &other) noexcept = default;
 
    VITRIO_API
    const array_descriptor& get_descriptor() const noexcept;
 
    VITRIO_API
    const byte* get_data() const noexcept;
 
private:
    const byte *m_data;
    const array_descriptor *m_descriptor;
};
 
} // namespace vitrio