#region License Information
/* HeuristicLab
* Copyright (C) 2002-2019 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
*
* This file is part of HeuristicLab.
*
* HeuristicLab is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* HeuristicLab is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with HeuristicLab. If not, see .
*/
#endregion
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Linq;
using HeuristicLab.Common;
using HeuristicLab.Core;
using HEAL.Attic;
namespace HeuristicLab.Encodings.SymbolicExpressionTreeEncoding {
[StorableType("E98BB36B-FBB5-4A6C-A2E5-D47E0BD0687B")]
[Item("SymbolicExpressionTree", "Represents a symbolic expression tree.")]
public class SymbolicExpressionTree : Item, ISymbolicExpressionTree {
public static new Image StaticItemImage {
get { return HeuristicLab.Common.Resources.VSImageLibrary.Function; }
}
[Storable]
private ISymbolicExpressionTreeNode root;
public ISymbolicExpressionTreeNode Root {
get { return root; }
set {
if (value == null) throw new ArgumentNullException();
else if (value != root) {
root = value;
OnToStringChanged();
}
}
}
public int Length {
get {
if (root == null)
return 0;
return root.GetLength();
}
}
public int Depth {
get {
if (root == null)
return 0;
return root.GetDepth();
}
}
[StorableConstructor]
protected SymbolicExpressionTree(StorableConstructorFlag _) : base(_) { }
protected SymbolicExpressionTree(SymbolicExpressionTree original, Cloner cloner)
: base(original, cloner) {
root = cloner.Clone(original.Root);
}
public SymbolicExpressionTree() : base() { }
public SymbolicExpressionTree(ISymbolicExpressionTreeNode root)
: base() {
this.Root = root;
}
public IEnumerable IterateNodesBreadth() {
if (root == null)
return Enumerable.Empty();
return root.IterateNodesBreadth();
}
public IEnumerable IterateNodesPrefix() {
if (root == null)
return Enumerable.Empty();
return root.IterateNodesPrefix();
}
public IEnumerable IterateNodesPostfix() {
if (root == null)
return Enumerable.Empty();
return root.IterateNodesPostfix();
}
public override IDeepCloneable Clone(Cloner cloner) {
return new SymbolicExpressionTree(this, cloner);
}
}
}