1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2015 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.Reflection;
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25 | using HeuristicLab.Persistence.Core;
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26 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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27 | using HeuristicLab.Persistence.Interfaces;
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28 |
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29 | namespace HeuristicLab.Persistence.Default.CompositeSerializers {
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30 |
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31 | [StorableClass]
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32 | internal sealed class StructSerializer : ICompositeSerializer {
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33 |
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34 | [StorableConstructor]
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35 | private StructSerializer(bool deserializing) { }
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36 | public StructSerializer() { }
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37 |
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38 | public int Priority {
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39 | get { return 50; }
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40 | }
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41 |
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42 | public bool CanSerialize(Type type) {
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43 | return type.IsValueType && !type.IsPrimitive && !type.IsEnum && type.IsSealed;
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44 | }
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45 |
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46 | public string JustifyRejection(Type type) {
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47 | if (!type.IsValueType)
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48 | return "not a value type";
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49 | if (type.IsPrimitive)
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50 | return "type is primitive (int, float, ...)";
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51 | if (type.IsEnum)
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52 | return "type is enum";
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53 | return "type is not sealed";
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54 | }
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55 |
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56 | public IEnumerable<Tag> CreateMetaInfo(object obj) {
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57 | return null;
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58 | }
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59 |
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60 | private readonly BindingFlags AllInstanceMembers =
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61 | BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic;
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62 |
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63 | public IEnumerable<Tag> Decompose(object obj) {
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64 | Type t = obj.GetType();
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65 | foreach (MemberInfo mi in t.GetMembers(AllInstanceMembers)) {
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66 | if (mi.MemberType == MemberTypes.Field) {
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67 | string name = mi.Name.Replace("<", "<").Replace(">", ">");
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68 | yield return new Tag(name, ((FieldInfo)mi).GetValue(obj));
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69 | }
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70 | }
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71 | }
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72 |
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73 | public object CreateInstance(Type type, IEnumerable<Tag> metaInfo) {
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74 | return Activator.CreateInstance(type, true);
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75 | }
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76 |
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77 | public void Populate(object instance, IEnumerable<Tag> tags, Type type) {
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78 | foreach (Tag t in tags) {
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79 | string name = t.Name.Replace("<", "<").Replace(">", ">");
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80 | MemberInfo[] mis = type.GetMember(name, AllInstanceMembers);
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81 | if (mis.Length != 1)
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82 | throw new PersistenceException("ambiguous struct member name " + name);
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83 | MemberInfo mi = mis[0];
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84 | if (mi.MemberType == MemberTypes.Field)
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85 | ((FieldInfo)mi).SetValue(instance, t.Value);
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86 | else
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87 | throw new PersistenceException("invalid struct member type " + mi.MemberType.ToString());
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88 | }
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89 | }
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90 |
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91 | }
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92 | }
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