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ExtractCargo.h

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+/*
+ * This file is part of VoidArchiveTool.
+ *
+ * Copyright (C) 2025 Yanczi
+ *
+ * Void Archive Toolis free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include <iostream>
+#include <vector>
+#include <fstream>
+#include <lz4.h>
+#include <filesystem>
+#include <algorithm>
+#include <stdexcept>
+#include <sstream>
+
+#include "DataStruct.h"
+#include "xxhash.h"
+
+class ExtractCargo {
+public:
+	ExtractCargo();
+	virtual ~ExtractCargo();
+
+	// Punkt wejœcia
+	bool Extract(const std::string&);
+
+private:
+	std::filesystem::path cargoFileName;
+
+	uint32_t filesLen;
+	uint64_t tablePosition;
+	uint8_t filesHeadsOffset;
+
+	const uint8_t version;
+	const std::string signature;
+
+	std::vector<FilesTable> filesHeads;
+
+
+	std::ifstream cargoFile;
+
+
+
+	// Sprawdzenie poprawnoœci archiwum
+	bool CheckCargoFile();
+
+	// Wypakowywanie plików
+	void ExtractingFilesFromCargo();
+
+	// Pobieranie nag³ówków plików
+	void LoadFilesTable();
+
+	// Dekomprezja danych
+	std::vector<char> DecompressingData(const std::vector<char>&, const uint32_t&);
+
+	// Sprawdzanie sumy kontrolnej
+	bool HashValid(const std::vector<char>&, const uint64_t&);
+
+	// Utwórz katalog
+	void CreateDirections(std::filesystem::path);
+
+};