[2210] | 1 | #region License Information
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| 2 | /* HeuristicLab
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[17097] | 3 | * Copyright (C) 2002-2019 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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[2210] | 4 | *
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| 5 | * This file is part of HeuristicLab.
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| 6 | *
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| 7 | * HeuristicLab is free software: you can redistribute it and/or modify
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| 8 | * it under the terms of the GNU General Public License as published by
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| 9 | * the Free Software Foundation, either version 3 of the License, or
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| 10 | * (at your option) any later version.
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| 11 | *
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| 12 | * HeuristicLab is distributed in the hope that it will be useful,
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| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 15 | * GNU General Public License for more details.
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| 16 | *
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| 17 | * You should have received a copy of the GNU General Public License
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| 18 | * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
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| 19 | */
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| 20 | #endregion
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| 21 |
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| 22 | using System;
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| 23 | using System.Collections.Generic;
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[4068] | 24 | using System.Drawing;
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[8126] | 25 | using System.Linq;
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[3376] | 26 | using HeuristicLab.Common;
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[2210] | 27 | using HeuristicLab.Core;
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[17097] | 28 | using HEAL.Attic;
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[2210] | 29 |
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[3223] | 30 | namespace HeuristicLab.Encodings.SymbolicExpressionTreeEncoding {
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[17097] | 31 | [StorableType("E98BB36B-FBB5-4A6C-A2E5-D47E0BD0687B")]
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[3223] | 32 | [Item("SymbolicExpressionTree", "Represents a symbolic expression tree.")]
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[5499] | 33 | public class SymbolicExpressionTree : Item, ISymbolicExpressionTree {
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[7201] | 34 | public static new Image StaticItemImage {
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[5287] | 35 | get { return HeuristicLab.Common.Resources.VSImageLibrary.Function; }
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[3710] | 36 | }
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[3252] | 37 | [Storable]
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[5499] | 38 | private ISymbolicExpressionTreeNode root;
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| 39 | public ISymbolicExpressionTreeNode Root {
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[3223] | 40 | get { return root; }
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| 41 | set {
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| 42 | if (value == null) throw new ArgumentNullException();
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| 43 | else if (value != root) {
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| 44 | root = value;
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| 45 | OnToStringChanged();
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| 46 | }
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| 47 | }
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[2211] | 48 | }
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| 49 |
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[5549] | 50 | public int Length {
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[3223] | 51 | get {
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[3926] | 52 | if (root == null)
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| 53 | return 0;
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[5549] | 54 | return root.GetLength();
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[3223] | 55 | }
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[2210] | 56 | }
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| 57 |
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[5549] | 58 | public int Depth {
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[3223] | 59 | get {
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[3926] | 60 | if (root == null)
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| 61 | return 0;
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[5549] | 62 | return root.GetDepth();
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[2210] | 63 | }
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| 64 | }
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| 65 |
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[4722] | 66 | [StorableConstructor]
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[17097] | 67 | protected SymbolicExpressionTree(StorableConstructorFlag _) : base(_) { }
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[4722] | 68 | protected SymbolicExpressionTree(SymbolicExpressionTree original, Cloner cloner)
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| 69 | : base(original, cloner) {
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| 70 | root = cloner.Clone(original.Root);
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[3294] | 71 | }
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[4722] | 72 | public SymbolicExpressionTree() : base() { }
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[5532] | 73 | public SymbolicExpressionTree(ISymbolicExpressionTreeNode root)
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[3294] | 74 | : base() {
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[3442] | 75 | this.Root = root;
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[3294] | 76 | }
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[2210] | 77 |
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[7795] | 78 | public IEnumerable<ISymbolicExpressionTreeNode> IterateNodesBreadth() {
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| 79 | if (root == null)
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[8126] | 80 | return Enumerable.Empty<SymbolicExpressionTreeNode>();
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[7795] | 81 | return root.IterateNodesBreadth();
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| 82 | }
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| 83 |
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[5499] | 84 | public IEnumerable<ISymbolicExpressionTreeNode> IterateNodesPrefix() {
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[3926] | 85 | if (root == null)
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[8126] | 86 | return Enumerable.Empty<SymbolicExpressionTreeNode>();
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[3338] | 87 | return root.IterateNodesPrefix();
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[3244] | 88 | }
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[5499] | 89 | public IEnumerable<ISymbolicExpressionTreeNode> IterateNodesPostfix() {
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[3926] | 90 | if (root == null)
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[8126] | 91 | return Enumerable.Empty<SymbolicExpressionTreeNode>();
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[3338] | 92 | return root.IterateNodesPostfix();
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[3244] | 93 | }
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[3338] | 94 |
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[3223] | 95 | public override IDeepCloneable Clone(Cloner cloner) {
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[4722] | 96 | return new SymbolicExpressionTree(this, cloner);
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[2210] | 97 | }
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| 98 | }
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| 99 | }
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