public static IEnumerable <TNode> GetNodes <TNode>(this IBidirListNode <TNode> first, TNode last, Direction dir) where TNode : class, IBidirListNode <TNode>
{
for (var node = (TNode)first; node != last.GetNext(dir); node = node.GetNext(dir))
{
yield return(node);
}
}
public static TNode GetNext <TNode>(this IBidirListNode <TNode> node, Direction dir, Func <TNode, TNode, bool> filter) where TNode : class, IBidirListNode <TNode>
{
var cur = (TNode)node;
do
{
cur = cur.GetNext(dir);
}while (cur != node.List.GetEnd(dir) && !filter((TNode)node, cur));
return(cur);
}
public static TNode GetNext <TNode>(this IBidirListNode <TNode> node, Func <TNode, TNode, bool> filter) where TNode : class, IBidirListNode <TNode>
{
return(GetNext(node, Direction.LeftToRight, filter));
}
public static IEnumerable <TNode> GetNodes <TNode>(this IBidirListNode <TNode> first, Direction dir) where TNode : class, IBidirListNode <TNode>
{
return(GetNodes(first, first.List.GetLast(dir), dir));
}
public static IEnumerable <TNode> GetNodes <TNode>(this IBidirListNode <TNode> first, TNode last) where TNode : class, IBidirListNode <TNode>
{
return(GetNodes(first, last, Direction.LeftToRight));
}
