Repetidor.java

package src;
import java.util.*;
import java.util.regex.*;

public class Repetidor {

    private static final Pattern REPT = Pattern.compile("^\s*REPT\s([0-9]{1,2})$");
    private static final Pattern REND = Pattern.compile("^\s*REND\s*$");  
    private final ArrayList<String> body;
    private final Integer start;
    private final Integer jump;
    private final Integer counter;

    public Repetidor(int start, int end, ArrayList<String> lines){
        this.start=start;
        this.jump=end-start;
        this.body=new ArrayList<>();
        String line = lines.get(start);
        int c=0;
        if(rept(line)){
            start++;
            Matcher obj=REPT.matcher(line);
            if(obj.find()){
                c=Integer.parseInt(obj.group(1));
            }

            while(start<end){
                line=lines.get(start);
                body.add(line);
                start++;
            }
        }
        this.counter=c;
    }

    public static boolean rept(String line)
    {
        Matcher match=REPT.matcher(line);
        return match.find();
    }

    public static boolean rend(String line){
        Matcher match=REND.matcher(line);
        return match.find();
    }

    public ArrayList<String> getBody()
    {
        return this.body;
    } 
    
    public int getStart(){
        return this.start;
    }

    public int getJump(){
        return this.jump;
    }

    public int getCounter(){
        return this.counter;
    }

    @Override
    public String toString(){
        String r="";
        for(String s:this.body){
            r+=s+"\n";
        }
        r+=this.start.toString()+"\n";
        return r;
    }

}