Decompressor.h

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#pragma once
#include <iostream>
#include <stdexcept>
#include <fstream>
#include <string>
#include <bitset>
#include <chrono>
#include <filesystem>
 
#include "Queue.h"
#include "HashMap.h"
#include "BinNode.h"
#include "Constants.h"
 
namespace fs = std::filesystem;
 
class Decompressor {
private:
 
    struct fileInfo {
        unsigned int fileSize;      
        fs::path filePath;          
        fileInfo() :fileSize(0) {}
        fileInfo(unsigned const int& fileSize, const fs::path& filePath) :fileSize(fileSize), filePath(filePath) {}
    };
 
    Queue<fileInfo> files;
    
    std::ifstream infile;
 
    BinNode* rootNode;
 
private:
 
    void clear();
    
    void deleteTree(BinNode* node);
    
    void readHeader(const std::string& infileName, std::ifstream& infile);
    
    BinNode* readTree(std::ifstream& reader);
    
    void writeIntoFile(const std::string& infileName);
 
public:
    Decompressor();
    ~Decompressor();
    
    void decompressFile(const std::string& infileName);
};