package rebelsky.lists;

import java.util.Vector;

/**
 * A vector-based version of simple lists.  
 *
 * @author CSC152 2005S
 */
public class VectorBasedSimpleList<T>
  implements SimpleList<T>
{

  // +--------+--------------------------------------------------
  // | Fields |
  // +--------+

  /**
   * The vector we use to implement the list.
   */
  Vector<T> elements;

  /**
   * The size of the list.  (Yes, we can use elements.size(), but
   * I feel safer using our own field.)
   */
  int size;


  // +--------------+--------------------------------------------
  // | Constructors |
  // +--------------+

  /**
   * Build a new list.
   */
  public VectorBasedSimpleList()
  {
    this.elements = new Vector<T>();
    this.size = 0;
  } // VectorBasedSimpleList()

  // +---------+-------------------------------------------------
  // | Methods |
  // +---------+

  /**
   * Add an object somewhere in the list.
   */
  public void add(T addMe) {
    this.elements.add(addMe);
    ++this.size;
  } // add(T)


  /**
   * Remove an object from the list.  Removes the object
   * last returned by the iterator.
   */
  public T remove(Cursor<T> position)
  {
    // STUB
    return null;
  }  // remove(

  /**
   * Create a new iterator for the list.
   */
  public Cursor<T> newCursor()
  {
    return new VectorCursor<T>(this.elements);
  } // newCursor()

  /**
   * Convert to a string for printing.
   */
  public String toString()
  {
    return this.elements.toString();
  } // toString()
} // class VectorBasedSimpleList