rj-action-library/Runtime/Graphs/Trees/Iterators/DirectChildrenIterator.cs

42 lines
832 B
C#

using System.Collections;
using System.Collections.Generic;
namespace Rokojori
{
public class DirectChildrenIterator<N>: TreeIterator<N> where N:class
{
N parent;
N current;
int index = 0;
TreeWalker<N> walker;
public static DirectChildrenIterator<N> Create( TreeWalker<N> walker, N node )
{
var iterator = new DirectChildrenIterator<N>();
iterator.parent = node;
iterator.walker = walker;
iterator.current = null;
iterator.index = -1;
return iterator;
}
public override bool HasNext()
{
return ( index + 1 ) < walker.NumChildren( parent );
}
public override N Current()
{
return current;
}
protected override void _MoveToNext()
{
index ++;
current = walker.ChildAt( parent, index );
}
}
}