Merge branch 'MySolution' into 'master'

package edu.bu.ec504.hw1p3.compressors;

import edu.bu.ec504.hw1p3.util.Atom;

import edu.bu.ec504.hw1p3.util.CompressedText;

import java.io.BufferedReader;

import java.io.IOException;

import java.util.ArrayList;

import java.util.HashMap;

//HELPED DEBUG with ChatGPT

public class MyCompressor extends Compressor {

    @Override

    public CompressedText processPlainText(BufferedReader in) {

        StringBuilder inputText = new StringBuilder();

        try{

            int c;

            while ((c = in.read()) != -1) {

                inputText.append((char) c);}

        } catch (IOException e) {

            e.printStackTrace();

        }

        return compress(inputText.toString());

    }

    private CompressedText compress(String text){

        ArrayList<Atom> compressedList = new ArrayList<>();

        if (text.isEmpty()) return new CompressedText(compressedList);

        HashMap<String, Integer> dict = new HashMap<>();

        String current = "";

        char[] chars = text.toCharArray();

        for (char ch : chars){

            String newCurrent = current + ch;

            if (!dict.containsKey(newCurrent)) {

                if (current.equals("")) {

                    compressedList.add(new Atom(0, String.valueOf(ch)));

                } else{

                    dict.put(current, dict.size() + 1);

                    compressedList.add(new Atom(dict.get(current), String.valueOf(ch)));

                }

                current = "";

            }else{

                current = newCurrent;

            }

        }

        if (!current.equals("")){

            if (dict.containsKey(current)){

                compressedList.add(new Atom(dict.get(current), ""));

            }else{

                compressedList.add(new Atom(0, current));

            }

        }

        return new CompressedText(compressedList);

    }

}