public Nodewalk NodeWalk(Nodewalk source, INode node, Func <INode, bool> func)
{
var result = func(node);
while (!result && (node.NextSibling != null || node.HasChildNodes))
{
if (node.HasChildNodes)
{
foreach (INode child in node.ChildNodes)
{
var ret = NodeWalk(source, child, func);
if (ret.Success)
{
return(ret);
}
}
}
if (node.NextSibling != null)
{
return(NodeWalk(source, node.NextSibling, func));
}
return(new Nodewalk()
{
Success = false, Node = node
});
}
return(new Nodewalk()
{
Success = result, Node = node
});
}
public Nodewalk NodeWalkBack(Nodewalk source, INode node, Func <INode, bool> func)
{
var result = func(node);
while (!result && (node.PreviousSibling != null || node.ParentElement != null))
{
if (node.ParentElement != null)
{
return(NodeWalkBack(source, node.ParentElement, func));
}
return(NodeWalkBack(source, node.PreviousSibling, func));
}
return(new Nodewalk()
{
Success = result, Node = node
});
}
public Nodewalk Then(Nodewalk nodeWalk, Func <INode, (bool, INode)> func)