MemoryBuffer.h

// -*- tab-width: 2; indent-tabs-mode: nil; coding: utf-8-with-signature -*-
//-----------------------------------------------------------------------------
// Copyright 2000-2023 CEA (www.cea.fr) IFPEN (www.ifpenergiesnouvelles.com)
// See the top-level COPYRIGHT file for details.
// SPDX-License-Identifier: Apache-2.0
//-----------------------------------------------------------------------------
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/* MemoryBuffer.h                                              (C) 2000-2023 */
/*                                                                           */
/* Buffer mémoire.                                                           */
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#ifndef ARCANE_IMPL_MEMORYBUFFER_H
#define ARCANE_IMPL_MEMORYBUFFER_H
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/*---------------------------------------------------------------------------*/
 
#include "arcane/utils/Array.h"
#include "arcane/utils/Ref.h"
 
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namespace Arcane
{
 
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class ARCANE_UTILS_EXPORT MemoryBuffer
{
 private:
 
  explicit MemoryBuffer(IMemoryAllocator* allocator)
  : m_buffer(allocator)
  {}
 
 public:

  static Ref<MemoryBuffer> create(IMemoryAllocator* allocator)
  {
    auto* memory = new MemoryBuffer(allocator);
    Ref<MemoryBuffer> ref_memory = makeRef<MemoryBuffer>(memory);
    return ref_memory;
  }
 
 public:

  void resize(Int64 new_size) { m_buffer.resize(new_size); }
  Span<const std::byte> bytes() const { return m_buffer; }
  Span<std::byte> bytes() { return m_buffer; }
  IMemoryAllocator* allocator() const { return m_buffer.allocator(); }
 
 private:

  UniqueArray<std::byte> m_buffer;
};
 
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} // namespace Arcane
 
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#endif