package antlr.collections.impl;
/* ANTLR Translator Generator
* Project led by Terence Parr at http://www.cs.usfca.edu
* Software rights: http://www.antlr.org/license.html
*
* $Id: //depot/code/org.antlr/release/antlr-2.7.7/antlr/collections/impl/VectorEnumerator.java#2 $
*/
import java.util.
Enumeration;
import java.util.
NoSuchElementException;
import antlr.collections.
Enumerator;
// based on java.lang.Vector; returns any null indices between non-null ones.
class
VectorEnumerator implements
Enumeration {
Vector vector;
int
i;
VectorEnumerator(
Vector v) {
vector =
v;
i = 0;
}
public boolean
hasMoreElements() {
synchronized (
vector) {
return
i <=
vector.
lastElement;
}
}
public
Object nextElement() {
synchronized (
vector) {
if (
i <=
vector.
lastElement) {
return
vector.
data[
i++];
}
throw new
NoSuchElementException("VectorEnumerator");
}
}
}