StreamBuffer.h

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/*
 * Deskflow -- mouse and keyboard sharing utility
 * SPDX-FileCopyrightText: (C) 2012 - 2016 Symless Ltd.
 * SPDX-FileCopyrightText: (C) 2002 Chris Schoeneman
 * SPDX-License-Identifier: GPL-2.0-only WITH LicenseRef-OpenSSL-Exception
 */
 
#pragma once
 
#include <cstdint>
#include <list>
#include <vector>


class StreamBuffer
{
public:
  StreamBuffer() = default;
  ~StreamBuffer() = default;




  const void *peek(uint32_t n);


  void pop(uint32_t n);


  void write(const void *data, uint32_t n);




  uint32_t getSize() const;

 
private:
  static const uint32_t kChunkSize;
 
  using Chunk = std::vector<uint8_t>;
  using ChunkList = std::list<Chunk>;
 
  ChunkList m_chunks;
  uint32_t m_size = 0;
  uint32_t m_headUsed = 0;
};