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268
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1 using System;
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2 using System.Collections.Generic;
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3 using System.Text.RegularExpressions;
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4 using Implab.Diagnostics;
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5
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6 namespace Implab.ServiceHost.Unity {
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7 using System.Linq;
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269
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8 using System.Reflection;
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268
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9 using System.Text;
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269
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10 using global::Unity;
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268
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11 using static Trace<ConfigurationContext>;
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12
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13 public class ConfigurationContext {
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14 Regex _nsRx = new Regex(@"^\w+(\.\w+)*$", RegexOptions.Compiled);
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15 readonly LinkedList<string> m_namespases = new LinkedList<string>();
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16
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17 LinkedListNode<string> m_insertAt;
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18
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269
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19 readonly UnityContainer m_container;
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20
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21 public ConfigurationContext(UnityContainer container) {
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22 m_container = container ?? new UnityContainer();
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268
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23 m_insertAt = new LinkedListNode<string>(string.Empty);
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24 m_namespases.AddFirst(m_insertAt);
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25 }
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26
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27 public void AddNamespace(string ns) {
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28 Safe.ArgumentMatch(ns, nameof(ns), _nsRx);
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29 if (m_insertAt != null)
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30 m_namespases.AddAfter(m_insertAt, ns);
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31 else
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32 m_namespases.AddFirst(ns);
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33 }
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34
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35 public Type Resolve(TypeReference reference) {
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36 Safe.ArgumentNotNull(reference, nameof(reference));
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37
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38 var args = reference.IsGeneric && !reference.IsOpenGeneric ? reference.GenericParameters?.Select(Resolve).ToArray() : null;
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39 var argc = reference.IsGeneric ? reference.GenericParameters.Length : 0;
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40
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41 foreach (var ns in m_namespases) {
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42 var typeName = FormatName(new [] { ns, reference.Namespace, reference.TypeName}, argc, args, reference.IsArray);
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43
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44 var resolved = ProbeType(typeName);
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45 if (resolved != null) {
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46 Log("Probe succeed {0} in '{1}': {2} -> {3}", reference, ns, typeName, resolved.AssemblyQualifiedName);
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47 return resolved;
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48 } else {
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49 Log("Probe failed {0} in '{1}': {2}", reference, ns, typeName);
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50 }
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51 }
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52
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53 throw new Exception($"Failed to resolve: {reference}");
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54 }
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55
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269
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56 Type ProbeType(string typeName) {
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57 var assemblies = AppDomain.CurrentDomain.GetAssemblies();
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58
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59 foreach(var assembly in assemblies) {
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60 var type = assembly.GetType(typeName);
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61 if (type != null)
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62 return type;
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63 }
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64 return null;
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65 }
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66
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268
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67 string FormatName(string[] parts, int argc, Type[] args, bool isArray) {
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68 var builder = new StringBuilder();
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69
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70 builder.Append(String.Join(".", parts.Where(x => !string.IsNullOrEmpty(x))));
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71 if (argc > 0) {
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72 builder.Append('`');
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73 builder.Append(argc);
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74 }
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75
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76 if (args!= null && args.Length > 0) {
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77 builder.Append('[');
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269
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78 builder.Append(string.Join(",", args.Select(x => $"[{x.AssemblyQualifiedName}]")));
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268
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79 builder.Append(']');
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80 }
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81
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82 if(isArray)
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83 builder.Append("[]");
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84
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85 return builder.ToString();
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86 }
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87
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88 public Type Resolve(string typeReference) {
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89 return Resolve(TypeReference.Parse(typeReference));
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90 }
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91
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269
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92 public void Visist(AbstractRegistration descriptor) {
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93
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94 }
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95
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96 public void Include(string file) {
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268
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97
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98 }
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99
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100 }
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101 } |
