using Relativity.DataTransfer.Nodes; using System; using System.Text; namespace Relativity.Transfer.Paths { public static class NodeExtensions { public static string FindRelativePath(this INode rootNode, INode node) { if (!rootNode.Context.Equals(node.Context)) throw new ArgumentException("Nodes come from different contexts - it can be impossible to determine a relative path between them", "node"); INode node2 = node; StringBuilder stringBuilder = new StringBuilder(); while (node2?.Parent != null && !node2.Parent.Equals(rootNode)) { stringBuilder.Insert(0, node2.Parent.Name + PathConstants.DirectorySeparatorAsString); node2 = node2.Parent; } if (stringBuilder.Length == 0) return string.Empty; stringBuilder.Remove(stringBuilder.Length - 1, 1); if (node2?.Parent == null) return null; return stringBuilder.ToString(); } } }