1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2011 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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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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24 | using System.Drawing;
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25 | using HeuristicLab.Common;
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26 | using HeuristicLab.Core;
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27 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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28 |
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29 | namespace HeuristicLab.Encodings.SymbolicExpressionTreeEncoding {
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30 | [StorableClass]
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31 | [Item("SymbolicExpressionTree", "Represents a symbolic expression tree.")]
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32 | public class SymbolicExpressionTree : Item, ISymbolicExpressionTree {
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33 | public override Image ItemImage {
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34 | get { return HeuristicLab.Common.Resources.VSImageLibrary.Function; }
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35 | }
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36 | [Storable]
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37 | private ISymbolicExpressionTreeNode root;
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38 | public ISymbolicExpressionTreeNode Root {
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39 | get { return root; }
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40 | set {
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41 | if (value == null) throw new ArgumentNullException();
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42 | else if (value != root) {
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43 | root = value;
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44 | OnToStringChanged();
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45 | }
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46 | }
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47 | }
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48 |
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49 | public int Size {
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50 | get {
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51 | if (root == null)
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52 | return 0;
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53 | return root.GetSize();
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54 | }
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55 | }
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56 |
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57 | public int Height {
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58 | get {
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59 | if (root == null)
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60 | return 0;
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61 | return root.GetHeight();
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62 | }
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63 | }
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64 |
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65 | [StorableConstructor]
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66 | protected SymbolicExpressionTree(bool deserializing) : base(deserializing) { }
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67 | protected SymbolicExpressionTree(SymbolicExpressionTree original, Cloner cloner)
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68 | : base(original, cloner) {
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69 | root = cloner.Clone(original.Root);
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70 | }
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71 | public SymbolicExpressionTree() : base() { }
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72 | public SymbolicExpressionTree(SymbolicExpressionTreeNode root)
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73 | : base() {
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74 | this.Root = root;
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75 | }
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76 |
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77 | public IEnumerable<ISymbolicExpressionTreeNode> IterateNodesPrefix() {
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78 | if (root == null)
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79 | return new SymbolicExpressionTreeNode[0];
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80 | return root.IterateNodesPrefix();
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81 | }
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82 | public IEnumerable<ISymbolicExpressionTreeNode> IterateNodesPostfix() {
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83 | if (root == null)
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84 | return new SymbolicExpressionTreeNode[0];
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85 | return root.IterateNodesPostfix();
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86 | }
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87 |
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88 | public override IDeepCloneable Clone(Cloner cloner) {
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89 | return new SymbolicExpressionTree(this, cloner);
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90 | }
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91 | }
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92 | }
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