main.cpp

#include "../headers/huffman.h"
#include <string>
#include <iostream>
#include <fstream>
#include <sstream>
using namespace std;

int main(int argc, char **argv) { 
  string inputText;
  
  if(argc > 1){
    // capture text file from user
    ifstream InputFile(argv[1]);
    // check if file is valid
    if(InputFile){
      // read text file
      std::stringstream buffer;
      buffer << InputFile.rdbuf();
      inputText = buffer.str();
      InputFile.close();
  
      // instance the Huffman structure
      Huffman *huffmanAlgorithm = new Huffman(inputText);
      string encodedText = huffmanAlgorithm->getEncodedString();
      string decodedText = huffmanAlgorithm->getDecodedString();
      

      // create and write output file that will contain the encoded text.
      ofstream EncodedFile("encoded.txt");
      EncodedFile << encodedText;
      EncodedFile.close();

      // create and write output file that will contain the decoded text.
      ofstream DecodedFile("decoded.txt");
      DecodedFile << decodedText;
      DecodedFile.close();

      // Compression ratio
      cout << "Compression Ratio: " << huffmanAlgorithm->getCompressionRatio() << "%\n";
      // Destrói a estrutura
      huffmanAlgorithm->~Huffman();
      return 0;         
    }
  }
  cout << "Error: input file not found.";
return 0;
}