Podmiana LZ4 na ZSTD raw block. Podmiana CompressManager na ChunkManager

ChunkManager.h

@@ -0,0 +1,69 @@
+#pragma once
+
+#include <vector>
+#include <cstdint>
+#include <cstring>
+#include <lz4.h>
+#include <stdexcept>
+#include <algorithm>
+#include <iostream>
+#define ZSTD_STATIC_LINKING_ONLY
+#include <zstd.h>
+
+#if ZSTD_VERSION_NUMBER < 10400
+#error "Wymagane zstd >= 1.4.0 dla ZSTD_c_format / ZSTD_f_zstd1_magicless"
+#endif
+
+#include "EncryptionManager.h"
+
+#define BLOCK_SIZE          131072 // 128KB
+
+struct BlockSize
+{
+	uint32_t raw;
+	uint32_t zip;
+};
+
+class ChunkManager
+{
+public:
+	ChunkManager(EncryptionManager& em);
+	~ChunkManager();
+
+	// Kompresja danych
+	std::vector<char> chunked(const std::vector<char>&, const bool&);
+
+	// Dekompresja
+	std::vector<char> dechunked(const std::vector<char>&, const bool&);
+
+private:
+	EncryptionManager eman;
+	std::vector<BlockSize> blockSizes;
+
+	// Przekonwertuj zmienn¹ na ci¹g na vector
+	template <typename T>
+	void addIntToVector(std::vector<char>& vec, const T& val)
+	{
+		size_t tmpSize = vec.size();
+		vec.resize(tmpSize + sizeof(val));
+		std::memcpy(vec.data() + tmpSize, &val, sizeof(val));
+	}
+
+	// Pobierz zmienn¹ z vectora
+	template <typename T>
+	T getIntFromVector(const std::vector<char>& vec, size_t& offset)
+	{
+		T tmp{};
+		std::memcpy(&tmp, vec.data() + offset, sizeof(tmp));
+		offset += sizeof(tmp);
+	
+		return tmp;
+	}
+
+	// Kompresja
+	std::vector<char> compress_data(const std::vector<char>&);
+
+	// Dekompresja
+	std::vector<char> decompress_data(const std::vector<char>&, const size_t&);
+};
+