mirror of
https://github.com/Xevion/easy7zip.git
synced 2025-12-14 16:11:38 -06:00
37 lines
911 B
C++
Executable File
37 lines
911 B
C++
Executable File
// ImplodeHuffmanDecoder.h
|
|
|
|
#pragma once
|
|
|
|
#ifndef __IMPLODE_HUFFMAN_DECODER_H
|
|
#define __IMPLODE_HUFFMAN_DECODER_H
|
|
|
|
#include "../../Common/LSBFDecoder.h"
|
|
#include "../../Common/InBuffer.h"
|
|
|
|
namespace NCompress {
|
|
namespace NImplode {
|
|
namespace NHuffman {
|
|
|
|
const int kNumBitsInLongestCode = 16;
|
|
class CDecoderException{};
|
|
|
|
typedef NStream::NLSBF::CDecoder<CInBuffer> CInBit;
|
|
|
|
class CDecoder
|
|
{
|
|
UINT32 m_Limitits[kNumBitsInLongestCode + 2]; // m_Limitits[i] = value limit for symbols with length = i
|
|
UINT32 m_Positions[kNumBitsInLongestCode + 2]; // m_Positions[i] = index in m_Symbols[] of first symbol with length = i
|
|
UINT32 m_NumSymbols; // number of symbols in m_Symbols
|
|
UINT32 *m_Symbols; // symbols: at first with len=1 then 2, ... 15.
|
|
public:
|
|
CDecoder(UINT32 numSymbols);
|
|
~CDecoder();
|
|
|
|
void SetCodeLengths(const BYTE *codeLengths);
|
|
UINT32 DecodeSymbol(CInBit *inStream);
|
|
};
|
|
|
|
}}}
|
|
|
|
#endif
|