public static int TransformOn <T>(this IEnumerable <T> nodes,
Func <T, bool> nodeFilter,
Func <T, BaseNode> transform, BaseNode tree)
where T : BaseNode
{
var selector = new DynamicVisitor();
var result = 0;
selector.OnVisit((node, visitor) =>
{
visitor.VisitChildren(node);
if (node is T && nodeFilter((T)node))
{
var transformed = transform((T)node);
if (transformed != node)
{
var parent = node.Parent;
parent.Replace(node, transformed);
}
result++;
}
});
tree.Visit(selector);
return(result);
}
public NodeComparer(BaseNode reference)
{
this.reference = reference;
Result = false;
visitor = new DynamicVisitor();
visitor.Common((n, v) => { });
}
public static IEnumerable <BaseNode> From <T>(this IEnumerable <T> nodes,
Func <T, bool> nodeFilter, BaseNode tree) where T : BaseNode
{
var selector = new DynamicVisitor();
var result = new List <BaseNode>();
selector.OnVisit((node, visitor) =>
{
if (node is T && nodeFilter((T)node))
{
result.Add(node);
}
visitor.VisitChildren(node);
});
tree.Visit(selector);
return(result);
}
public List <BaseNode> From(BaseNode tree)
{
var result = new List <BaseNode>();
var nodeSelector = new DynamicVisitor();
nodeSelector.OnVisit((node, visitor) =>
{
if (FilterFunction == null || node is T && FilterFunction((T)node))
{
result.Add(node);
}
visitor.VisitChildren(node);
});
tree.Visit(nodeSelector);
return(result);
}
public int On(BaseNode tree)
{
var result = 0;
var nodeSelector = new DynamicVisitor();
nodeSelector.OnVisit((node, visitor) =>
{
visitor.VisitChildren(node);
if (FilterFunction == null || node is T && FilterFunction((T)node))
{
var transformedNode = TransformFunction((T)node);
if (transformedNode != node)
{
node.Parent.Replace(node, transformedNode);
}
++result;
}
});
tree.Visit(nodeSelector);
return(result);
}
