Compress.cpp

//
// Created by jpenguin on 1/30/22.
//

#include "Compress.h"
#include <iostream>

using std::cout;
void Compress::GetData(ifstream &toCompress, string *uniqueWords,
                       int *numUniqueWords, int *wordOccurrences, int *numWords)
{
    int index; // position of word in list
    string currentWord;
    bool found;
    // Put next word into currentWord; because we're using
    // arrays and not vectors, stop at 1000 words
    while (toCompress >> currentWord && *numWords < 1000) {
        found = false;
        for (int i = 0; i <= *numUniqueWords; i++) {
            if (uniqueWords[i] == currentWord) {
                found = true; // set to true if currentWord found in list
                index = i; // set index to position found at
                break; // if found, exit for loop
            }
        }
        if (!found) {
            uniqueWords[*numUniqueWords] =
                    currentWord; // if not found, add to list
            index = *numUniqueWords; // set index to lat position on list
            *numUniqueWords += 1; // next unique word will go in next spot
        }
        wordOccurrences[*numWords] =
                index; // append position word was found or was placed at
        *numWords += 1; // increment total word count
    }
}

void Compress::Write(string *uniqueWords, int numUniqueWords,
                     int *wordOccurrences, int numWords)
{
    ofstream output("output.jzip");
    if (output.is_open()) {
        for (int count = 0; count < numWords; count++) {
            output << wordOccurrences[count] << " ";
        }
        output << "\n\n\n";
        for (int count = 0; count < numUniqueWords; count++) {
            output << uniqueWords[count] << " ";
        }
        output.close();
        cout << "Saved to output.jzip";
    } else {
        cout << "\a\nUnable to create file\n";
        throw 1; // Throw exception for main to handle
    }
}