lzx86converter.h

来自「7z一个高压缩比的压缩程序源代码,重要的是里面的算法值得学习」· C头文件 代码 · 共 47 行

// Lzx86Converter.h

#ifndef __LZX_86_CONVERTER_H
#define __LZX_86_CONVERTER_H

#include "../../Common/MyCom.h"

#include "../IStream.h"

namespace NCompress {
namespace NLzx {

const int kUncompressedBlockSize = 1 << 15;

class Cx86ConvertOutStream:
  public ISequentialOutStream,
  public CMyUnknownImp
{
  CMyComPtr<ISequentialOutStream> m_Stream;
  UInt32 m_ProcessedSize;
  UInt32 m_Pos;
  UInt32 m_TranslationSize;
  bool m_TranslationMode;
  Byte m_Buffer[kUncompressedBlockSize];

  void MakeTranslation();
public:
  void SetStream(ISequentialOutStream *outStream) { m_Stream = outStream; }
  void ReleaseStream() { m_Stream.Release(); }
  void Init(bool translationMode, UInt32 translationSize)
  {
    m_TranslationMode = translationMode;
    m_TranslationSize = translationSize;
    m_ProcessedSize = 0;
    m_Pos = 0;
  }
  HRESULT Flush();

  MY_UNKNOWN_IMP

  STDMETHOD(Write)(const void *data, UInt32 size, UInt32 *processedSize);
};

}}

#endif