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src/compression/DeflateBlock.h

@@ -1,60 +0,0 @@
-#pragma once
-
-#include "BitStream.h"
-
-class DeflateBlock
-{
-public:
-    DeflateBlock(BitStream* inputStream, BitStream* outputStream);
-
-    void readHeader();
-
-    void readDynamicHuffmanTable();
-
-    void buildCodeLengthMapping();
-
-    void readLiteralCodeLengths();
-
-    bool readNextCodeLengthSymbol(unsigned char& buffer);
-
-    bool isFinalBlock() const
-    {
-        return mInFinalBlock;
-    }
-
-    void setCodeLengthAlphabetLengths(const std::vector<unsigned char>& lengths);
-
-    void setCodeLengthLength(unsigned length);
-
-    void setLiteralsTableLength(unsigned length);
-
-    void setDistanceTableLength(unsigned length);
-
-    void setIsFinalBlock(bool isFinal);
-
-    void flushToStream();
-
-private:
-    BitStream* mInputStream;
-    BitStream* mOutputStream;
-
-    unsigned mHlit{0};
-    unsigned mHdist{0};
-    unsigned mHclen{0};
-
-    using CodeLengthEntry = std::pair<unsigned char, unsigned>;
-    using CodeLengthCountEntry = std::pair<unsigned, std::vector<CodeLengthEntry> >;
-    std::vector<CodeLengthCountEntry> mCodeLengthMapping;
-
-    std::vector<unsigned char> mCodeLengthAlphabetLengths;
-    static constexpr unsigned CODE_LENGTH_ALPHABET_PERMUTATION[19]{16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15};
-
-    unsigned char mCompressionType{0};
-
-    bool mInFinalBlock{false};
-
-    static constexpr unsigned char NO_COMPRESSION = 0x00;
-    static constexpr unsigned char FIXED_HUFFMAN = 0x01;
-    static constexpr unsigned char DYNAMIC_HUFFMAN = 0x02;
-    static constexpr unsigned char ERROR = 0x03;
-};