Node class is forked from https://github.com/Konard/LinksPlatform

Author: konard

Trees/Node.cs

@@ -0,0 +1,82 @@
+using System.Collections.Generic;
+
+// ReSharper disable ForCanBeConvertedToForeach
+
+namespace Platform.Collections.Trees
+{
+    public class Node
+    {
+        private Dictionary<object, Node> _childNodes;
+
+        public object Value { get; set; }
+
+        public Dictionary<object, Node> ChildNodes => _childNodes ?? (_childNodes = new Dictionary<object, Node>());
+
+        public Node this[object key]
+        {
+            get
+            {
+                var child = GetChild(key);
+                if (child == null)
+                    child = AddChild(key);
+                return child;
+            }
+            set => SetChildValue(value, key);
+        }
+
+        public Node(object value) => Value = value;
+
+        public Node()
+            : this(null)
+        {
+        }
+
+        public bool ContainsChild(params object[] keys) => GetChild(keys) != null;
+
+        public Node GetChild(params object[] keys)
+        {
+            var node = this;
+            for (var i = 0; i < keys.Length; i++)
+            {
+                node.ChildNodes.TryGetValue(keys[i], out node);
+                if (node == null)
+                    return null;
+            }
+
+            return node;
+        }
+
+        public object GetChildValue(params object[] keys) => GetChild(keys)?.Value;
+
+        public Node AddChild(object key) => AddChild(key, new Node(null));
+
+        public Node AddChild(object key, object value) => AddChild(key, new Node(value));
+
+        public Node AddChild(object key, Node child)
+        {
+            ChildNodes.Add(key, child);
+            return child;
+        }
+
+        public Node SetChild(params object[] keys) => SetChildValue(null, keys);
+
+        public Node SetChild(object key) => SetChildValue(null, key);
+
+        public Node SetChildValue(object value, params object[] keys)
+        {
+            var node = this;
+            for (var i = 0; i < keys.Length; i++)
+                node = SetChildValue(value, keys[i]);
+            node.Value = value;
+            return node;
+        }
+
+        public Node SetChildValue(object value, object key)
+        {
+            if (!ChildNodes.TryGetValue(key, out Node child))
+                child = AddChild(key, value);
+            child.Value = value;
+            return child;
+        }
+    }
+}