"Added documentation to covMatrixReader"

import org.json.simple.parser.ParseException;

import org.json.simple.parser.JSONParser;

/**

 * Takes the required information from the compact json file produced by tacoco

 * retrieves program name, first line, test count, coverable lines, and coverage matrix

 */

public class covMatrixReader {

    private File jsonFile;

    private boolean[][] M;

            // cast the obj into a JSONObject

            JSONObject jsonObject = (JSONObject) obj;

            // output the number of test cases

            // store the number of test cases

            testCount = (Long) jsonObject.get("testCount");

            // sources will contain various info about the program

            // sources stores the value from the key 'sources' in the JSONObject

            sources = (JSONArray) jsonObject.get("sources");

            // sources is an array of size 1

            // source will contain the program name, first line, and last line

            JSONObject lineInfo = (JSONObject)source.get("source");

            fullName = (String) lineInfo.get("fullName");

            firstLine = (Long) lineInfo.get("firstLine");

            // create a JSONArray for the testStmtMatrix

            JSONArray JSONStmtMatrix = (JSONArray) source.get("testStmtMatrix");

            int tests = JSONStmtMatrix.size();

        return M;

    }

    /**Return a boolean array indexed by line number and true=line is coverable i.e. not a blank line or comment**/

    /**Return a boolean array indexed by line number and true=line is coverable/not a blank line or comment**/

    public boolean[] getC(){

        return C;

    }