Zcalanie ręczne. Jak git nie chce po dobroci to będzie siłą
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22 changed files with 790 additions and 457 deletions
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#pragma once
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#include <vector>
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#include <cstdint>
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#include <cstring>
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#include <lz4.h>
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#include <stdexcept>
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#include <algorithm>
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#include <iostream>
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#define BLOCK_SIZE 131072 // 128KB
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struct BlockSize
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{
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uint32_t raw;
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uint32_t zip;
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};
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class CompressingManager
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{
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public:
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CompressingManager();
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~CompressingManager();
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// Kompresja danych
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std::vector<char> compress(const std::vector<char>&);
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// Dekompresja
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std::vector<char> decompress(const std::vector<char>&);
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private:
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std::vector<BlockSize> blockSizes;
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// Przekonwertuj zmienn¹ na ci¹g na vector
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template <typename T>
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void addIntToVector(std::vector<char>& vec, const T& val)
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{
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size_t tmpSize = vec.size();
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vec.resize(tmpSize + sizeof(val));
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std::memcpy(vec.data() + tmpSize, &val, sizeof(val));
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}
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// Pobierz zmienn¹ z vectora
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template <typename T>
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T getIntFromVector(const std::vector<char>& vec, size_t& offset)
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{
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T tmp{};
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std::memcpy(&tmp, vec.data() + offset, sizeof(tmp));
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offset += sizeof(tmp);
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return tmp;
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}
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};
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