public class X extends InternalNodeModelUtils {

	public static int doit(String text, int line, int column) {
		//TODO test and zero baseing etc
		int[] linebreaks = computeLineBreaks(text);
		System.out.println(linebreaks[line]);
		return linebreaks[line] + column;
	}
	
	public static void main(String[] args) {
		String model = "a\n" +
				"bb\n" +
				"ccc\n" +
				"dddd\n";
		int doit = doit(model, 3-1,2);
		System.out.println(doit);
		System.out.println(model.charAt(doit));
	}
	
}