1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2014 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.IO;
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24 | using System.Linq;
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25 | using System.Text;
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26 | using System.Xml;
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27 | using ICSharpCode.AvalonEdit.CodeCompletion;
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28 | using ICSharpCode.NRefactory.Completion;
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29 | using ICSharpCode.NRefactory.CSharp;
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30 | using ICSharpCode.NRefactory.TypeSystem;
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31 |
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32 | namespace HeuristicLab.CodeEditor {
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33 | internal class EntityCompletionData : CompletionData, IEntityCompletionData {
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34 | private static readonly CSharpAmbience Ambience = new CSharpAmbience();
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35 |
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36 | #region IEntityCompletionData Members
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37 | public IEntity Entity { get; private set; }
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38 | #endregion
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39 |
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40 | public EntityCompletionData(IEntity entity)
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41 | : base() {
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42 | if (entity == null) throw new ArgumentException("entity");
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43 |
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44 | Entity = entity;
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45 | Ambience.ConversionFlags = entity is ITypeDefinition ? ConversionFlags.ShowTypeParameterList : ConversionFlags.None;
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46 | DisplayText = entity.Name;
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47 | CompletionText = Ambience.ConvertSymbol(entity);
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48 | Image = CompletionImage.GetImage(entity);
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49 | }
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50 |
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51 | private string description;
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52 | public override string Description {
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53 | get {
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54 | if (string.IsNullOrEmpty(description)) {
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55 | description = GetText(Entity);
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56 | if (HasOverloads)
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57 | description += string.Format(" (+{0} overloads)", OverloadedData.Count());
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58 | description += Environment.NewLine + XmlDocumentationToText(Entity.Documentation);
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59 | }
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60 | return description;
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61 | }
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62 | set { description = value; }
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63 | }
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64 |
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65 | public static string XmlDocumentationToText(string xmlDoc) {
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66 | System.Diagnostics.Debug.WriteLine(xmlDoc);
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67 | var b = new StringBuilder();
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68 | try {
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69 | using (var reader = new XmlTextReader(new StringReader("<root>" + xmlDoc + "</root>"))) {
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70 | reader.XmlResolver = null;
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71 | while (reader.Read()) {
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72 | switch (reader.NodeType) {
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73 | case XmlNodeType.Text:
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74 | b.Append(reader.Value);
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75 | break;
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76 | case XmlNodeType.Element:
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77 | switch (reader.Name) {
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78 | case "filterpriority":
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79 | reader.Skip();
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80 | break;
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81 | case "returns":
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82 | b.AppendLine();
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83 | b.Append("Returns: ");
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84 | break;
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85 | case "param":
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86 | b.AppendLine();
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87 | b.Append(reader.GetAttribute("name") + ": ");
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88 | break;
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89 | case "remarks":
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90 | b.AppendLine();
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91 | b.Append("Remarks: ");
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92 | break;
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93 | case "see":
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94 | if (reader.IsEmptyElement) {
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95 | b.Append(reader.GetAttribute("cref"));
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96 | } else {
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97 | reader.MoveToContent();
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98 | if (reader.HasValue) {
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99 | b.Append(reader.Value);
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100 | } else {
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101 | b.Append(reader.GetAttribute("cref"));
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102 | }
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103 | }
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104 | break;
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105 | }
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106 | break;
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107 | }
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108 | }
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109 | }
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110 | return b.ToString();
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111 | } catch (XmlException) {
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112 | return xmlDoc;
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113 | }
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114 | }
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115 |
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116 | #region Helpers
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117 | private static string GetText(IEntity entity) {
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118 | Ambience.ConversionFlags = ConversionFlags.StandardConversionFlags;
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119 | if (entity is ITypeDefinition) Ambience.ConversionFlags |= ConversionFlags.UseFullyQualifiedEntityNames;
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120 | if (entity is IMethod) {
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121 | var reducedForm = ((IMethod)entity).ReducedFrom;
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122 | if (reducedForm != null) entity = reducedForm;
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123 | }
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124 | return Ambience.ConvertSymbol(entity);
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125 | }
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126 | #endregion
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127 | }
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128 | }
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