array_ref.hpp

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