[2939] | 1 | using System;
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| 2 | using System.Collections.Generic;
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| 3 | using System.Linq;
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| 4 | using System.Text;
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| 5 | using HeuristicLab.Persistence.Interfaces;
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| 6 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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| 7 | using System.Reflection;
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| 8 | using HeuristicLab.Persistence.Core;
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| 9 |
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| 10 | namespace HeuristicLab.Persistence.Default.CompositeSerializers {
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| 11 |
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[3017] | 12 | [StorableClass]
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[3036] | 13 | internal sealed class StructSerializer : ICompositeSerializer {
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[2939] | 14 |
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| 15 | public int Priority {
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| 16 | get { return 50; }
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| 17 | }
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| 18 |
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| 19 | public bool CanSerialize(Type type) {
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| 20 | return type.IsValueType && !type.IsPrimitive && !type.IsEnum && type.IsSealed;
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| 21 | }
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| 22 |
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[2993] | 23 | public string JustifyRejection(Type type) {
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| 24 | if (!type.IsValueType)
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| 25 | return "not a value type";
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| 26 | if (type.IsPrimitive)
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| 27 | return "type is primitive (int, float, ...)";
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| 28 | if (type.IsEnum)
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| 29 | return "type is enum";
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| 30 | return "type is not sealed";
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| 31 | }
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| 32 |
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[2939] | 33 | public IEnumerable<Tag> CreateMetaInfo(object obj) {
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| 34 | return null;
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| 35 | }
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| 36 |
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| 37 | private readonly BindingFlags AllInstanceMembers =
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| 38 | BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic;
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| 39 |
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| 40 | public IEnumerable<Tag> Decompose(object obj) {
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| 41 | Type t = obj.GetType();
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| 42 | foreach (MemberInfo mi in t.GetMembers(AllInstanceMembers)) {
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| 43 | if (mi.MemberType == MemberTypes.Field) {
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| 44 | string name = mi.Name.Replace("<", "<").Replace(">", ">");
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| 45 | yield return new Tag(name, ((FieldInfo)mi).GetValue(obj));
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| 46 | }
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| 47 | }
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| 48 | }
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| 49 |
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| 50 | public object CreateInstance(Type type, IEnumerable<Tag> metaInfo) {
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| 51 | return Activator.CreateInstance(type, true);
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| 52 | }
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| 53 |
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| 54 | public void Populate(object instance, IEnumerable<Tag> tags, Type type) {
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| 55 | foreach (Tag t in tags) {
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| 56 | string name = t.Name.Replace("<", "<").Replace(">", ">");
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| 57 | MemberInfo[] mis = type.GetMember(name, AllInstanceMembers);
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| 58 | if (mis.Length != 1)
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| 59 | throw new PersistenceException("ambiguous struct member name " + name);
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| 60 | MemberInfo mi = mis[0];
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| 61 | if (mi.MemberType == MemberTypes.Field)
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| 62 | ((FieldInfo)mi).SetValue(instance, t.Value);
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| 63 | else
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| 64 | throw new PersistenceException("invalid struct member type " + mi.MemberType.ToString());
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| 65 | }
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| 66 | }
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| 67 |
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| 68 | }
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| 69 | }
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