1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2012 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.Linq;
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25 | using System.Text;
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26 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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27 |
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28 | namespace HeuristicLab.Persistence.Auxiliary {
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29 |
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30 | /// <summary>
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31 | /// Contains a more modular representation of type names that can
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32 | /// be used to compare versions and ignore extended assembly
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33 | /// attributes.
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34 | /// </summary>
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35 | [StorableClass]
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36 | public class TypeName {
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37 |
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38 | /// <summary>
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39 | /// Gets or sets the namespace.
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40 | /// </summary>
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41 | /// <value>The namespace.</value>
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42 | [Storable]
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43 | public string Namespace { get; private set; }
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44 |
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45 | /// <summary>
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46 | /// Gets or sets the name of the class.
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47 | /// </summary>
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48 | /// <value>The name of the class.</value>
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49 | [Storable]
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50 | public string ClassName { get; private set; }
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51 |
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52 | /// <summary>
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53 | /// Gets or sets the generic args.
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54 | /// </summary>
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55 | /// <value>The generic args.</value>
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56 | [Storable]
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57 | public List<TypeName> GenericArgs { get; internal set; }
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58 |
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59 | /// <summary>
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60 | /// Gets a value indicating whether this instance is generic.
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61 | /// </summary>
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62 | /// <value>
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63 | /// <c>true</c> if this instance is generic; otherwise, <c>false</c>.
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64 | /// </value>
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65 | public bool IsGeneric { get { return GenericArgs.Count > 0; } }
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66 |
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67 | /// <summary>
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68 | /// Gets or sets the memory magic (point or array declaration).
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69 | /// </summary>
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70 | /// <value>The memory magic.</value>
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71 | [Storable]
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72 | public string MemoryMagic { get; internal set; }
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73 |
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74 | /// <summary>
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75 | /// Gets or sets the name of the assembly.
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76 | /// </summary>
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77 | /// <value>The name of the assembly.</value>
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78 | [Storable]
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79 | public string AssemblyName { get; internal set; }
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80 |
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81 | /// <summary>
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82 | /// Gets or sets the assembly attribues.
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83 | /// </summary>
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84 | /// <value>The assembly attribues.</value>
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85 | [Storable]
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86 | public Dictionary<string, string> AssemblyAttribues { get; internal set; }
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87 |
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88 | /// <summary>
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89 | /// Gets or sets a value indicating whether this instance is reference.
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90 | /// </summary>
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91 | /// <value>
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92 | /// <c>true</c> if this instance is reference; otherwise, <c>false</c>.
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93 | /// </value>
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94 | [Storable]
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95 | public bool IsReference { get; internal set; }
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96 |
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97 |
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98 | [StorableConstructor]
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99 | protected TypeName(bool deserializing) { }
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100 | /// <summary>
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101 | /// Initializes a new instance of the <see cref="TypeName"/> class.
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102 | /// </summary>
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103 | /// <param name="nameSpace">The namespace.</param>
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104 | /// <param name="className">Name of the class.</param>
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105 | internal TypeName(string nameSpace, string className) {
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106 | Namespace = nameSpace;
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107 | ClassName = className;
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108 | GenericArgs = new List<TypeName>();
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109 | MemoryMagic = "";
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110 | AssemblyAttribues = new Dictionary<string, string>();
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111 | }
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112 |
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113 |
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114 | /// <summary>
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115 | /// Returns a <see cref="System.String"/> that represents this instance.
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116 | /// </summary>
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117 | /// <param name="full">if set to <c>true</c> includes full information
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118 | /// about generic parameters and assembly properties.</param>
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119 | /// <returns>
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120 | /// A <see cref="System.String"/> that represents this instance.
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121 | /// </returns>
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122 | public string ToString(bool full) {
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123 | return ToString(full, true);
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124 | }
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125 |
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126 |
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127 | /// <summary>
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128 | /// Returns a <see cref="System.String"/> that represents this instance.
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129 | /// </summary>
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130 | /// <param name="full">if set to <c>true</c> includes full information
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131 | /// about generic parameters and assembly properties.</param>
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132 | /// <param name="includeAssembly">if set to <c>true</c> include assembly properties and generic parameters.</param>
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133 | /// <returns>
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134 | /// A <see cref="System.String"/> that represents this instance.
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135 | /// </returns>
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136 | public string ToString(bool full, bool includeAssembly) {
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137 | StringBuilder sb = new StringBuilder();
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138 | if (!string.IsNullOrEmpty(Namespace))
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139 | sb.Append(Namespace).Append('.');
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140 | sb.Append(ClassName);
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141 | if (IsGeneric) {
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142 | sb.Append('`').Append(GenericArgs.Count).Append('[');
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143 | bool first = true;
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144 | foreach (TypeName t in GenericArgs) {
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145 | if (first)
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146 | first = false;
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147 | else
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148 | sb.Append(',');
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149 | sb.Append('[').Append(t.ToString(full)).Append(']');
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150 | }
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151 | sb.Append(']');
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152 | }
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153 | sb.Append(MemoryMagic);
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154 | if (includeAssembly && AssemblyName != null) {
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155 | sb.Append(", ").Append(AssemblyName);
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156 | if (full)
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157 | foreach (var property in AssemblyAttribues)
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158 | sb.Append(", ").Append(property.Key).Append('=').Append(property.Value);
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159 | }
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160 | return sb.ToString();
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161 | }
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162 |
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163 | public string GetTypeNameInCode(HashSet<string> omitNamespaces) {
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164 | StringBuilder sb = new StringBuilder();
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165 | if (!string.IsNullOrEmpty(Namespace) && omitNamespaces == null || !omitNamespaces.Contains(Namespace))
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166 | sb.Append(Namespace).Append('.');
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167 | sb.Append(ClassName);
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168 | if (IsGeneric) {
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169 | sb.Append("<");
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170 | sb.Append(
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171 | string.Join(", ",
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172 | GenericArgs
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173 | .Select(a => a.GetTypeNameInCode(omitNamespaces))
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174 | .ToArray()));
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175 | sb.Append(">");
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176 | }
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177 | sb.Append(MemoryMagic);
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178 | return sb.ToString();
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179 | }
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180 |
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181 | public string GetTypeNameInCode(bool includeAllNamespaces) {
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182 | StringBuilder sb = new StringBuilder();
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183 | if (includeAllNamespaces)
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184 | sb.Append(Namespace).Append('.');
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185 | sb.Append(ClassName);
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186 | if (IsGeneric) {
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187 | sb.Append("<");
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188 | sb.Append(
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189 | string.Join(", ",
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190 | GenericArgs
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191 | .Select(a => a.GetTypeNameInCode(includeAllNamespaces))
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192 | .ToArray()));
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193 | sb.Append(">");
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194 | }
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195 | sb.Append(MemoryMagic);
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196 | return sb.ToString();
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197 | }
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198 |
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199 |
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200 | /// <summary>
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201 | /// Returns a <see cref="System.String"/> that represents this instance.
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202 | /// </summary>
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203 | /// <returns>
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204 | /// A <see cref="System.String"/> that represents this instance.
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205 | /// </returns>
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206 | public override string ToString() {
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207 | return ToString(true);
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208 | }
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209 |
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210 |
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211 | /// <summary>
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212 | /// Lexicographically compare version information and make sure type and assembly
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213 | /// names are identical. This function recursively checks generic type arguments.
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214 | /// </summary>
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215 | /// <param name="typeName">Name of the type.</param>
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216 | /// <returns>
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217 | /// <c>true</c> if is newer than the specified type name; otherwise, <c>false</c>.
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218 | /// </returns>
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219 | public bool IsNewerThan(TypeName typeName) {
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220 | try {
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221 | if (this.ClassName != typeName.ClassName ||
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222 | this.Namespace != typeName.Namespace ||
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223 | this.AssemblyName != typeName.AssemblyName)
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224 | throw new Exception("Cannot compare versions of different types");
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225 | if (CompareVersions(
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226 | this.AssemblyAttribues["Version"],
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227 | typeName.AssemblyAttribues["Version"]) > 0)
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228 | return true;
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229 | IEnumerator<TypeName> thisIt = this.GenericArgs.GetEnumerator();
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230 | IEnumerator<TypeName> tIt = typeName.GenericArgs.GetEnumerator();
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231 | while (thisIt.MoveNext()) {
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232 | tIt.MoveNext();
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233 | if (thisIt.Current.IsNewerThan(tIt.Current))
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234 | return true;
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235 | }
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236 | return false;
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237 | } catch (KeyNotFoundException) {
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238 | throw new Exception("Could not extract version information from type string");
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239 | }
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240 | }
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241 |
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242 |
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243 | /// <summary>
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244 | /// Make sure major and minor version number are identical. This function
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245 | /// recursively checks generic type arguments.
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246 | /// </summary>
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247 | /// <param name="typeName">Name of the type.</param>
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248 | /// <returns>
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249 | /// <c>true</c> if the specified type names are compatible; otherwise, <c>false</c>.
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250 | /// </returns>
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251 | public bool IsCompatible(TypeName typeName) {
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252 | try {
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253 | if (this.ClassName != typeName.ClassName ||
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254 | this.Namespace != typeName.Namespace ||
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255 | this.AssemblyName != typeName.AssemblyName)
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256 | throw new Exception("Cannot compare versions of different types");
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257 | Version thisVersion = new Version(this.AssemblyAttribues["Version"]);
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258 | Version tVersion = new Version(typeName.AssemblyAttribues["Version"]);
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259 | if (this.AssemblyName == "mscorlib" &&
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260 | (thisVersion.Major == 2 || thisVersion.Major == 4) &&
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261 | (tVersion.Major == 2 || tVersion.Major == 4)) {
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262 | // skip version check
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263 | } else if (thisVersion.Major != tVersion.Major ||
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264 | thisVersion.Minor != tVersion.Minor)
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265 | return false;
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266 | IEnumerator<TypeName> thisIt = this.GenericArgs.GetEnumerator();
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267 | IEnumerator<TypeName> tIt = typeName.GenericArgs.GetEnumerator();
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268 | while (thisIt.MoveNext()) {
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269 | tIt.MoveNext();
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270 | if (!thisIt.Current.IsCompatible(tIt.Current))
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271 | return false;
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272 | }
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273 | return true;
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274 | } catch (KeyNotFoundException) {
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275 | throw new Exception("Could not extract version infomration from type string");
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276 | }
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277 | }
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278 |
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279 | private static int CompareVersions(string v1string, string v2string) {
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280 | return new Version(v1string).CompareTo(new Version(v2string));
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281 | }
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282 | }
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283 | } |
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