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source: trunk/sources/HeuristicLab.Problems.ExternalEvaluation.GP/3.3/SymbolicExpressionTreeStringConverter.cs @ 4144

Last change on this file since 4144 was 4089, checked in by abeham, 14 years ago

#1041

  • Added project with operators to convert expression trees to protocol buffer messages
File size: 2.1 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2010 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
4 *
5 * This file is part of HeuristicLab.
6 *
7 * HeuristicLab is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
11 *
12 * HeuristicLab is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
19 */
20#endregion
21
22using System;
23using HeuristicLab.Core;
24using HeuristicLab.Encodings.SymbolicExpressionTreeEncoding;
25using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
26
27namespace HeuristicLab.Problems.ExternalEvaluation.GP {
28  [Item("SymbolicExpressionTreeStringConverter", "Converts a symbolic expression tree into a string representation by iterating over all nodes in a prefix way. The string is added to the SolutionMessage's StringVars.")]
29  [StorableClass]
30  public class SymbolicExpressionTreeStringConverter : SymbolicExpressionTreeConverter {
31    SymbolicExpressionTreeStringFormatter formatter;
32
33    public SymbolicExpressionTreeStringConverter() {
34      formatter = new SymbolicExpressionTreeStringFormatter();
35      formatter.Indent = false;
36    }
37
38    protected override void ConvertSymbolicExpressionTree(SymbolicExpressionTree tree, string name, SolutionMessage.Builder builder) {
39      string stringRep = formatter.Format(tree);
40      stringRep.Replace(Environment.NewLine, "");
41      SolutionMessage.Types.StringVariable.Builder stringVariable = SolutionMessage.Types.StringVariable.CreateBuilder();
42      stringVariable.SetName(name).SetData(stringRep);
43      builder.AddStringVars(stringVariable.Build());
44    }
45  }
46}
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