6e64f6f5ef
Co-authored-by: Hedara <hedara90@gmail.com> Co-authored-by: DizzyEggg Co-authored-by: Raymond Dodge <git@rayrobdod.name>
64 lines
1.7 KiB
C
64 lines
1.7 KiB
C
#ifndef TANS_H
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#define TANS_H
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#include <stdio.h>
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#include <stdlib.h>
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#include <iostream>
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#include <fstream>
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#include <string>
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#include <vector>
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#include <cmath>
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#include <sstream>
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#define TANS_TABLE_SIZE 64
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struct DecodeCol {
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int state;
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unsigned char symbol;
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int y;
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int k;
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};
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struct EncodeHelper {
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unsigned char symbol;
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std::vector<int> states;
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std::vector<int> yVals;
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std::vector<int> kVals;
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std::vector<int> yPrimVals;
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int currentRepeat = 0;
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int currentIndex = 0;
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};
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struct EncodeSymbolData {
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unsigned char symbol;
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int nextState;
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int streamValue;
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int numBits;
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};
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struct EncodeCol {
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int state;
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std::vector<EncodeSymbolData> symbols;
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};
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struct EncodedData {
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int initialState;
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std::vector<unsigned char> bitStream;
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};
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std::vector<DecodeCol> createDecodingTable(std::vector<unsigned char> symbols, std::vector<int> frequencies);
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std::vector<EncodeCol> createEncodingTable(std::vector<DecodeCol> decodeTable, std::vector<unsigned char> symbols);
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EncodedData encodeData(std::vector<unsigned char> input, std::vector<EncodeCol> encodingTable);
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std::vector<unsigned char> decodeData(EncodedData *data, std::vector<DecodeCol> decodeTable, int numChars);
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std::vector<int> normalizeCounts(std::vector<int> counts, int tableSize);
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std::vector<int> normalizeCounts(std::vector<int> counts, int tableSize, bool fillZeros);
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void printEncodeTable(std::vector<EncodeCol> encodeTable, std::vector<unsigned char> symbols);
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void printDecodeTable(std::vector<DecodeCol> decodeTable);
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int getFileSize(std::string filePath);
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int encodeSingleSymbol(EncodeCol currEncodeCol, unsigned char symbol, std::vector<unsigned int> *bitstream);
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#endif
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