blob: 9d8358a750c3856827e60c6b7790524c01cba401 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
|
define(function () {
return Iterator;
function Iterator(elems, startingIndex) {
this.index = startingIndex || 0;
this.elems = elems;
this.hasPrevious = function () {
return this.index != 0;
};
this.hasNext = function () {
return this.index < this.elems.length - 1;
};
this.previous = function () {
return this.elems[--this.index];
};
this.next = function () {
return this.elems[++this.index];
};
this.current = function () {
return this.elems[this.index];
};
this.hasElements = function () {
return this.elems.length > 0;
};
this.removeCurrent = function () {
var removed = this.current(),
toRemove = this.index;
!this.hasNext() && this.index--;
this.elems.remove(toRemove);
return removed;
};
}
});
|
