wasSharp – Diff between revs 37 and 39

Subversion Repositories:
Rev:
Only display areas with differences – Ignore whitespace
Rev 37 Rev 39
1 /////////////////////////////////////////////////////////////////////////// 1 ///////////////////////////////////////////////////////////////////////////
2 // Copyright (C) Wizardry and Steamworks 2013 - License: GNU GPLv3 // 2 // Copyright (C) Wizardry and Steamworks 2013 - License: GNU GPLv3 //
3 // Please see: http://www.gnu.org/licenses/gpl.html for legal details, // 3 // Please see: http://www.gnu.org/licenses/gpl.html for legal details, //
4 // rights of fair usage, the disclaimer and warranty conditions. // 4 // rights of fair usage, the disclaimer and warranty conditions. //
5 /////////////////////////////////////////////////////////////////////////// 5 ///////////////////////////////////////////////////////////////////////////
6   6  
7 using System; 7 using System;
8 using System.Collections.Generic; 8 using System.Collections.Generic;
9 using System.Linq; 9 using System.Linq;
10 using System.Reflection; 10 using System.Reflection;
11   11  
12 namespace wasSharp 12 namespace wasSharp
13 { 13 {
14 public static class Reflection 14 public static class Reflection
15 { 15 {
16 /////////////////////////////////////////////////////////////////////////// 16 ///////////////////////////////////////////////////////////////////////////
17 // Copyright (C) 2014 Wizardry and Steamworks - License: GNU GPLv3 // 17 // Copyright (C) 2014 Wizardry and Steamworks - License: GNU GPLv3 //
18 /////////////////////////////////////////////////////////////////////////// 18 ///////////////////////////////////////////////////////////////////////////
19 /// <summary> 19 /// <summary>
20 /// Retrieves an attribute of type T from an enumeration. 20 /// Retrieves an attribute of type T from an enumeration.
21 /// </summary> 21 /// </summary>
22 /// <returns>an attribute of type T</returns> 22 /// <returns>an attribute of type T</returns>
23 public static T GetAttributeFromEnumValue<T>(Enum value) where T : Attribute 23 public static T GetAttributeFromEnumValue<T>(Enum value) where T : Attribute
24 { 24 {
25 return (T)value.GetType() 25 return (T)value.GetType()
26 .GetRuntimeField(value.ToString()) 26 .GetRuntimeField(value.ToString())
27 .GetCustomAttributes(typeof(T), false) 27 .GetCustomAttributes(typeof(T), false)
28 .SingleOrDefault(); 28 .SingleOrDefault();
29 } 29 }
30   30  
31 /////////////////////////////////////////////////////////////////////////// 31 ///////////////////////////////////////////////////////////////////////////
32 // Copyright (C) 2015 Wizardry and Steamworks - License: GNU GPLv3 // 32 // Copyright (C) 2015 Wizardry and Steamworks - License: GNU GPLv3 //
33 /////////////////////////////////////////////////////////////////////////// 33 ///////////////////////////////////////////////////////////////////////////
34 /// <summary> 34 /// <summary>
35 /// Returns all the attributes of type T of an enumeration. 35 /// Returns all the attributes of type T of an enumeration.
36 /// </summary> 36 /// </summary>
37 /// <typeparam name="T">the attribute to retrieve</typeparam> 37 /// <typeparam name="T">the attribute to retrieve</typeparam>
38 /// <returns>a list of attributes</returns> 38 /// <returns>a list of attributes</returns>
39 public static IEnumerable<T> GetEnumAttributes<T>(Enum e) where T : Attribute 39 public static IEnumerable<T> GetEnumAttributes<T>(Enum e) where T : Attribute
40 { 40 {
41 return e.GetType().GetRuntimeFields().ToArray() 41 return e.GetType().GetRuntimeFields().ToArray()
42 .AsParallel() 42 .AsParallel()
43 .Select(o => GetAttributeFromEnumValue<T>((Enum)o.GetValue(Activator.CreateInstance<T>()))); 43 .Select(o => GetAttributeFromEnumValue<T>((Enum)o.GetValue(Activator.CreateInstance<T>())));
44 } 44 }
45   45  
46 /////////////////////////////////////////////////////////////////////////// 46 ///////////////////////////////////////////////////////////////////////////
47 // Copyright (C) 2014 Wizardry and Steamworks - License: GNU GPLv3 // 47 // Copyright (C) 2014 Wizardry and Steamworks - License: GNU GPLv3 //
48 /////////////////////////////////////////////////////////////////////////// 48 ///////////////////////////////////////////////////////////////////////////
49 /// <summary> 49 /// <summary>
50 /// Returns all the field names of an enumeration. 50 /// Returns all the field names of an enumeration.
51 /// </summary> 51 /// </summary>
52 /// <returns>the field names</returns> 52 /// <returns>the field names</returns>
53 public static IEnumerable<string> GetEnumNames<T>() 53 public static IEnumerable<string> GetEnumNames<T>()
54 { 54 {
55 return 55 return
56 typeof(T).GetRuntimeFields().ToArray() 56 typeof(T).GetRuntimeFields().ToArray()
57 .AsParallel() 57 .AsParallel()
58 .Select(o => o.GetCustomAttribute(typeof(NameAttribute), false)) 58 .Select(o => o.GetCustomAttribute(typeof(NameAttribute), false))
59 .Select(o => (o as NameAttribute)?.Name) 59 .Select(o => (o as NameAttribute)?.Name)
60 .Where(o => !string.IsNullOrEmpty(o)) 60 .Where(o => !string.IsNullOrEmpty(o))
61 .Select(o => o); 61 .Select(o => o);
62 } 62 }
63   63  
64 /////////////////////////////////////////////////////////////////////////// 64 ///////////////////////////////////////////////////////////////////////////
65 // Copyright (C) 2014 Wizardry and Steamworks - License: GNU GPLv3 // 65 // Copyright (C) 2014 Wizardry and Steamworks - License: GNU GPLv3 //
66 /////////////////////////////////////////////////////////////////////////// 66 ///////////////////////////////////////////////////////////////////////////
67 /// <summary> 67 /// <summary>
68 /// Returns all the values of an enumeration. 68 /// Returns all the values of an enumeration.
69 /// </summary> 69 /// </summary>
70 /// <returns>the values of the enumeration</returns> 70 /// <returns>the values of the enumeration</returns>
71 public static IEnumerable<T> GetEnumValues<T>() 71 public static IEnumerable<T> GetEnumValues<T>()
72 { 72 {
73 return Enum.GetValues(typeof(T)).Cast<object>().Select(value => (T)value); 73 return Enum.GetValues(typeof(T)).Cast<object>().Select(value => (T)value);
74 } 74 }
75   75  
76 /////////////////////////////////////////////////////////////////////////// 76 ///////////////////////////////////////////////////////////////////////////
77 // Copyright (C) 2015 Wizardry and Steamworks - License: GNU GPLv3 // 77 // Copyright (C) 2015 Wizardry and Steamworks - License: GNU GPLv3 //
78 /////////////////////////////////////////////////////////////////////////// 78 ///////////////////////////////////////////////////////////////////////////
79 /// <summary> 79 /// <summary>
80 /// Get the name from an enumeration value. 80 /// Get the name from an enumeration value.
81 /// </summary> 81 /// </summary>
82 /// <param name="value">an enumeration value</param> 82 /// <param name="value">an enumeration value</param>
83 /// <returns>the description or the empty string</returns> 83 /// <returns>the description or the empty string</returns>
84 public static string GetNameFromEnumValue(Enum value) 84 public static string GetNameFromEnumValue(Enum value)
85 { 85 {
86 var attribute = value.GetType() 86 var attribute = value.GetType()
87 .GetRuntimeField(value.ToString()) 87 .GetRuntimeField(value.ToString())
88 .GetCustomAttributes(typeof(NameAttribute), false) 88 .GetCustomAttributes(typeof(NameAttribute), false)
89 .SingleOrDefault() as NameAttribute; 89 .SingleOrDefault() as NameAttribute;
90 return attribute?.Name; 90 return attribute?.Name;
91 } 91 }
92   92  
93 /////////////////////////////////////////////////////////////////////////// 93 ///////////////////////////////////////////////////////////////////////////
94 // Copyright (C) 2015 Wizardry and Steamworks - License: GNU GPLv3 // 94 // Copyright (C) 2015 Wizardry and Steamworks - License: GNU GPLv3 //
95 /////////////////////////////////////////////////////////////////////////// 95 ///////////////////////////////////////////////////////////////////////////
96 /// <summary> 96 /// <summary>
97 /// Get the description from an enumeration value. 97 /// Get the description from an enumeration value.
98 /// </summary> 98 /// </summary>
99 /// <param name="value">an enumeration value</param> 99 /// <param name="value">an enumeration value</param>
100 /// <returns>the description or the empty string</returns> 100 /// <returns>the description or the empty string</returns>
101 public static string GetDescriptionFromEnumValue(Enum value) 101 public static string GetDescriptionFromEnumValue(Enum value)
102 { 102 {
103 var attribute = value.GetType() 103 var attribute = value.GetType()
104 .GetRuntimeField(value.ToString()) 104 .GetRuntimeField(value.ToString())
105 .GetCustomAttributes(typeof(DescriptionAttribute), false) 105 .GetCustomAttributes(typeof(DescriptionAttribute), false)
106 .SingleOrDefault() as DescriptionAttribute; 106 .SingleOrDefault() as DescriptionAttribute;
107 return attribute?.Description; 107 return attribute?.Description;
108 } 108 }
109   109  
110 /////////////////////////////////////////////////////////////////////////// 110 ///////////////////////////////////////////////////////////////////////////
111 // Copyright (C) 2015 Wizardry and Steamworks - License: GNU GPLv3 // 111 // Copyright (C) 2015 Wizardry and Steamworks - License: GNU GPLv3 //
112 /////////////////////////////////////////////////////////////////////////// 112 ///////////////////////////////////////////////////////////////////////////
113 /// <summary> 113 /// <summary>
114 /// Get enumeration value from its name attribute. 114 /// Get enumeration value from its name attribute.
115 /// </summary> 115 /// </summary>
116 /// <typeparam name="T">the enumeration type</typeparam> 116 /// <typeparam name="T">the enumeration type</typeparam>
117 /// <param name="name">the description of a member</param> 117 /// <param name="name">the description of a member</param>
118 /// <param name="comparison">the string comparison to use</param> 118 /// <param name="comparison">the string comparison to use</param>
119 /// <returns>the value or the default of T if case no name attribute found</returns> 119 /// <returns>the value or the default of T if case no name attribute found</returns>
120 public static T GetEnumValueFromName<T>(string name, 120 public static T GetEnumValueFromName<T>(string name,
121 StringComparison comparison = StringComparison.OrdinalIgnoreCase) 121 StringComparison comparison = StringComparison.OrdinalIgnoreCase)
122 { 122 {
123 var field = typeof(T).GetRuntimeFields().ToArray() 123 var field = typeof(T).GetRuntimeFields().ToArray()
124 .AsParallel().SelectMany(f => f.GetCustomAttributes( 124 .AsParallel().SelectMany(f => f.GetCustomAttributes(
125 typeof(NameAttribute), false), ( 125 typeof(NameAttribute), false), (
126 f, a) => new { Field = f, Att = a }) 126 f, a) => new { Field = f, Att = a })
127 .SingleOrDefault(a => string.Equals(((NameAttribute)a.Att) 127 .SingleOrDefault(a => string.Equals(((NameAttribute)a.Att)
128 .Name, name, comparison)); 128 .Name, name, comparison));
129 return field != null ? (T)field.Field.GetValue(Activator.CreateInstance<T>()) : default(T); 129 return field != null ? (T)field.Field.GetValue(Activator.CreateInstance<T>()) : default(T);
130 } 130 }
131   131  
132 /////////////////////////////////////////////////////////////////////////// 132 ///////////////////////////////////////////////////////////////////////////
133 // Copyright (C) 2015 Wizardry and Steamworks - License: GNU GPLv3 // 133 // Copyright (C) 2015 Wizardry and Steamworks - License: GNU GPLv3 //
134 /////////////////////////////////////////////////////////////////////////// 134 ///////////////////////////////////////////////////////////////////////////
135 /// <summary> 135 /// <summary>
136 /// Get the name of a structure member. 136 /// Get the name of a structure member.
137 /// </summary> 137 /// </summary>
138 /// <typeparam name="T">the type of the structure to search</typeparam> 138 /// <typeparam name="T">the type of the structure to search</typeparam>
139 /// <param name="structure">the structure to search</param> 139 /// <param name="structure">the structure to search</param>
140 /// <param name="item">the value of the item to search</param> 140 /// <param name="item">the value of the item to search</param>
141 /// <returns>the description or the empty string</returns> 141 /// <returns>the description or the empty string</returns>
142 public static string GetStructureMemberName<T>(T structure, object item) where T : struct 142 public static string GetStructureMemberName<T>(T structure, object item) where T : struct
143 { 143 {
144 var f = typeof(T).GetRuntimeFields(); 144 var f = typeof(T).GetRuntimeFields();
145 var p = typeof(T).GetRuntimeProperties(); 145 var p = typeof(T).GetRuntimeProperties();
146   146  
147 if (f != null) 147 if (f != null)
148 { 148 {
149 var r = f.AsParallel() 149 var r = f.AsParallel()
150 .SelectMany(o => o.GetCustomAttributes(typeof(NameAttribute), false), 150 .SelectMany(o => o.GetCustomAttributes(typeof(NameAttribute), false),
151 (o, a) => new { Field = o, Att = a }) 151 (o, a) => new { Field = o, Att = a })
152 .SingleOrDefault(q => q.Field.GetValue(structure).Equals(item)); 152 .SingleOrDefault(q => q.Field.GetValue(structure).Equals(item));
153 if (r != null) 153 if (r != null)
154 return ((NameAttribute)r.Att).Name; 154 return ((NameAttribute)r.Att).Name;
155 } 155 }
156   156  
157 if (p != null) 157 if (p != null)
158 { 158 {
159 var r = p.AsParallel() 159 var r = p.AsParallel()
160 .SelectMany(o => o.GetCustomAttributes(typeof(NameAttribute), false), 160 .SelectMany(o => o.GetCustomAttributes(typeof(NameAttribute), false),
161 (o, a) => new { Property = o, Att = a }) 161 (o, a) => new { Property = o, Att = a })
162 .SingleOrDefault(q => q.Property.GetValue(structure).Equals(item)); 162 .SingleOrDefault(q => q.Property.GetValue(structure).Equals(item));
163 if (r != null) 163 if (r != null)
164 return ((NameAttribute)r.Att).Name; 164 return ((NameAttribute)r.Att).Name;
165 } 165 }
166   166  
167 return string.Empty; 167 return string.Empty;
168 } 168 }
169   169  
170 /////////////////////////////////////////////////////////////////////////// 170 ///////////////////////////////////////////////////////////////////////////
171 // Copyright (C) 2016 Wizardry and Steamworks - License: GNU GPLv3 // 171 // Copyright (C) 2016 Wizardry and Steamworks - License: GNU GPLv3 //
172 /////////////////////////////////////////////////////////////////////////// 172 ///////////////////////////////////////////////////////////////////////////
173 /// <summary> 173 /// <summary>
174 /// Get field or property from a class by supplying a path. 174 /// Get field or property from a class by supplying a path.
175 /// </summary> 175 /// </summary>
176 /// <typeparam name="T">the type of the object</typeparam> 176 /// <typeparam name="T">the type of the object</typeparam>
177 /// <param name="o">the object</param> 177 /// <param name="o">the object</param>
178 /// <param name="path">the fully qualified path to the field of property</param> 178 /// <param name="path">the fully qualified path to the field of property</param>
179 /// <returns> 179 /// <returns>
180 /// the last object in the fully qualified path or null in case the field or property could not be found 180 /// the last object in the fully qualified path or null in case the field or property could not be found
181 /// </returns> 181 /// </returns>
182 public static object GetFP<T>(this T o, string path) 182 public static object GetFP<T>(this T o, string path)
183 { 183 {
184 if (string.IsNullOrEmpty(path)) return null; 184 if (string.IsNullOrEmpty(path)) return null;
185 if (o == null) return null; 185 if (o == null) return null;
186   186  
187 var memberType = o.GetType(); 187 var memberType = o.GetType();
188 var components = path.Split('.'); 188 var components = path.Split('.');
189   189  
190 var f = memberType.GetRuntimeField(components[0]); 190 var f = memberType.GetRuntimeField(components[0]);
191 var p = memberType.GetRuntimeProperty(components[0]); 191 var p = memberType.GetRuntimeProperty(components[0]);
192   192  
193 if (f != null) 193 if (f != null)
194 return components.Length > 1 194 return components.Length > 1
195 ? GetFP(f.GetValue(o), 195 ? GetFP(f.GetValue(o),
196 components.Skip(1).Aggregate((a, i) => a + @"." + i)) 196 components.Skip(1).Aggregate((a, i) => a + @"." + i))
197 : memberType.GetRuntimeField(path).GetValue(o); 197 : memberType.GetRuntimeField(path).GetValue(o);
198   198  
199 if (p != null) 199 if (p != null)
200 return components.Length > 1 200 return components.Length > 1
201 ? GetFP(p.GetValue(o), 201 ? GetFP(p.GetValue(o),
202 components.Skip(1).Aggregate((a, i) => a + @"." + i)) 202 components.Skip(1).Aggregate((a, i) => a + @"." + i))
203 : memberType.GetRuntimeProperty(path).GetValue(o); 203 : memberType.GetRuntimeProperty(path).GetValue(o);
204   204  
205 return null; 205 return null;
206 } 206 }
207   207  
208 /////////////////////////////////////////////////////////////////////////// 208 ///////////////////////////////////////////////////////////////////////////
209 // Copyright (C) 2016 Wizardry and Steamworks - License: GNU GPLv3 // 209 // Copyright (C) 2016 Wizardry and Steamworks - License: GNU GPLv3 //
210 /////////////////////////////////////////////////////////////////////////// 210 ///////////////////////////////////////////////////////////////////////////
211 /// <summary> 211 /// <summary>
212 /// Get field or property info from a class by supplying a path. 212 /// Get field or property info from a class by supplying a path.
213 /// </summary> 213 /// </summary>
214 /// <typeparam name="T">the type of the object</typeparam> 214 /// <typeparam name="T">the type of the object</typeparam>
215 /// <param name="o">the object</param> 215 /// <param name="o">the object</param>
216 /// <param name="path">the fully qualified path to the field of property</param> 216 /// <param name="path">the fully qualified path to the field of property</param>
217 /// <returns> 217 /// <returns>
218 /// the field or property info of the last object in the path or null if the object cannot be found 218 /// the field or property info of the last object in the path or null if the object cannot be found
219 /// </returns> 219 /// </returns>
220 public static object GetFPInfo<T>(this T o, string path) 220 public static object GetFPInfo<T>(this T o, string path)
221 { 221 {
222 if (string.IsNullOrEmpty(path)) return null; 222 if (string.IsNullOrEmpty(path)) return null;
223 if (o == null) return null; 223 if (o == null) return null;
224   224  
225 var memberType = o.GetType(); 225 var memberType = o.GetType();
226 var components = path.Split('.'); 226 var components = path.Split('.');
227   227  
228 var f = memberType.GetRuntimeField(components[0]); 228 var f = memberType.GetRuntimeField(components[0]);
229 var p = memberType.GetRuntimeProperty(components[0]); 229 var p = memberType.GetRuntimeProperty(components[0]);
230   230  
231 if (f != null) 231 if (f != null)
232 return components.Length > 1 232 return components.Length > 1
233 ? GetFPInfo(f.GetValue(o), 233 ? GetFPInfo(f.GetValue(o),
234 components.Skip(1).Aggregate((a, i) => a + @"." + i)) 234 components.Skip(1).Aggregate((a, i) => a + @"." + i))
235 : memberType.GetRuntimeField(path); 235 : memberType.GetRuntimeField(path);
236   236  
237 if (p != null) 237 if (p != null)
238 return components.Length > 1 238 return components.Length > 1
239 ? GetFPInfo(p.GetValue(o), 239 ? GetFPInfo(p.GetValue(o),
240 components.Skip(1).Aggregate((a, i) => a + @"." + i)) 240 components.Skip(1).Aggregate((a, i) => a + @"." + i))
241 : memberType.GetRuntimeProperty(path); 241 : memberType.GetRuntimeProperty(path);
242   242  
243 return null; 243 return null;
244 } 244 }
245   245  
246 /////////////////////////////////////////////////////////////////////////// 246 ///////////////////////////////////////////////////////////////////////////
247 // Copyright (C) 2016 Wizardry and Steamworks - License: GNU GPLv3 // 247 // Copyright (C) 2016 Wizardry and Steamworks - License: GNU GPLv3 //
248 /////////////////////////////////////////////////////////////////////////// 248 ///////////////////////////////////////////////////////////////////////////
249 /// <summary>Return all the run-time properties for an object.</summary> 249 /// <summary>Return all the run-time properties for an object.</summary>
250 /// <param name="o">the object whose properties to return</param> 250 /// <param name="o">the object whose properties to return</param>
251 /// <returns>the property information for all the properties of the object</returns> 251 /// <returns>the property information for all the properties of the object</returns>
252 public static IEnumerable<PropertyInfo> GetPropertiesInfo<T>(this T o) 252 public static IEnumerable<PropertyInfo> GetPropertiesInfo<T>(this T o)
253 { 253 {
254 foreach (var p in o.GetType().GetRuntimeProperties()) 254 foreach (var p in o.GetType().GetRuntimeProperties())
255 yield return p; 255 yield return p;
256 } 256 }
257   257  
258 /////////////////////////////////////////////////////////////////////////// 258 ///////////////////////////////////////////////////////////////////////////
259 // Copyright (C) 2016 Wizardry and Steamworks - License: GNU GPLv3 // 259 // Copyright (C) 2016 Wizardry and Steamworks - License: GNU GPLv3 //
260 /////////////////////////////////////////////////////////////////////////// 260 ///////////////////////////////////////////////////////////////////////////
-   261 /// <summary>Return all the run-time properties for an object.</summary>
-   262 /// <param name="o">the object whose properties to return</param>
-   263 /// <returns>the property information for all the properties of the object</returns>
-   264 public static IEnumerable<FieldInfo> GetFieldsInfo<T>(this T o)
-   265 {
-   266 foreach (var p in o.GetType().GetRuntimeFields())
-   267 yield return p;
-   268 }
-   269  
-   270 ///////////////////////////////////////////////////////////////////////////
-   271 // Copyright (C) 2016 Wizardry and Steamworks - License: GNU GPLv3 //
-   272 ///////////////////////////////////////////////////////////////////////////
261 /// <summary> 273 /// <summary>
262 /// Enumerate all the base types recursively starting from a type. 274 /// Enumerate all the base types recursively starting from a type.
263 /// </summary> 275 /// </summary>
264 /// <param name="type">the type</param> 276 /// <param name="type">the type</param>
265 /// <returns>an enumeration of all base types</returns> 277 /// <returns>an enumeration of all base types</returns>
266 public static IEnumerable<Type> GetBaseTypes(this Type type) 278 public static IEnumerable<Type> GetBaseTypes(this Type type)
267 { 279 {
268 var baseType = type.GetTypeInfo().BaseType; 280 var baseType = type.GetTypeInfo().BaseType;
269 if (baseType == null) 281 if (baseType == null)
270 yield break; 282 yield break;
271 yield return baseType; 283 yield return baseType;
272 foreach (var t in GetBaseTypes(baseType)) 284 foreach (var t in GetBaseTypes(baseType))
273 { 285 {
274 yield return t; 286 yield return t;
275 } 287 }
276 } 288 }
277   289  
278 /// <summary> 290 /// <summary>
279 /// A generic name attribute. 291 /// A generic name attribute.
280 /// </summary> 292 /// </summary>
281 public class NameAttribute : Attribute 293 public class NameAttribute : Attribute
282 { 294 {
283 protected readonly string name; 295 protected readonly string name;
284   296  
285 public NameAttribute(string name) 297 public NameAttribute(string name)
286 { 298 {
287 this.name = name; 299 this.name = name;
288 } 300 }
289   301  
290 public string Name => name; 302 public string Name => name;
291 } 303 }
292   304  
293 /// <summary> 305 /// <summary>
294 /// A generic description attribute. 306 /// A generic description attribute.
295 /// </summary> 307 /// </summary>
296 public class DescriptionAttribute : Attribute 308 public class DescriptionAttribute : Attribute
297 { 309 {
298 protected readonly string description; 310 protected readonly string description;
299   311  
300 public DescriptionAttribute(string description) 312 public DescriptionAttribute(string description)
301 { 313 {
302 this.description = description; 314 this.description = description;
303 } 315 }
304   316  
305 public string Description => description; 317 public string Description => description;
306 } 318 }
307 } 319 }
308 } 320 }
309   321