blob: aeb7dfd12bf01fa88fece56348be38303863780d (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
|
// --------------------------------------------------------------------------------------------------------------------
// <copyright file="EnumHelper.cs" company="HandBrake Project (http://handbrake.fr)">
// This file is part of the HandBrake source code - It may be used under the terms of the GNU General Public License.
// </copyright>
// <summary>
// Enum Helpers
// </summary>
// --------------------------------------------------------------------------------------------------------------------
namespace HandBrakeWPF.Utilities
{
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.ComponentModel;
using System.Diagnostics;
using System.Linq;
using System.Reflection;
using HandBrake.Interop.Attributes;
/// <summary>
/// Enum Helpers
/// </summary>
/// <typeparam name="T">
/// The Type Parameter
/// </typeparam>
public class EnumHelper<T>
{
/// <summary>
/// Get the description of an Enum
/// </summary>
/// <param name="value">
/// The value.
/// </param>
/// <returns>
/// The Description string
/// </returns>
public static string GetDescription(T value)
{
if (value == null)
{
return string.Empty;
}
FieldInfo fieldInfo = value.GetType().GetField(value.ToString());
if (fieldInfo != null)
{
DescriptionAttribute[] attributes =
(DescriptionAttribute[])fieldInfo.GetCustomAttributes(
typeof(DescriptionAttribute), false);
return (attributes.Length > 0) ? attributes[0].Description : value.ToString();
}
return string.Empty;
}
/// <summary>
/// Get the Display Value of the Enum Model
/// </summary>
/// <param name="value">An Enum with Display Attributes</param>
/// <returns>A string name</returns>
public static string GetDisplay(T value)
{
if (value == null)
{
return string.Empty;
}
FieldInfo fieldInfo = value.GetType().GetField(value.ToString());
if (fieldInfo != null)
{
DisplayName[] attributes = (DisplayName[])fieldInfo.GetCustomAttributes(typeof(DisplayName), false);
return (attributes.Length > 0) ? attributes[0].Name : value.ToString();
}
return string.Empty;
}
/// <summary>
/// Get the Enumeration for a given Enum Description
/// </summary>
/// <param name="description">The String description</param>
/// <returns>The Enum Value</returns>
public static T GetValue(string description)
{
return GetValue(description, false);
}
/// <summary>
/// Get the Enumeration for a given Enum Description
/// </summary>
/// <param name="description">The String description</param>
/// <param name="insensitiveCase">Turn of sensitivity to cases.</param>
/// <returns>The Enum Value</returns>
public static T GetValue(string description, bool insensitiveCase)
{
foreach (T val in Enum.GetValues(typeof(T)))
{
string currDescription = GetDescription(val);
string currDisplay = GetDisplay(val);
string shortName = GetShortName(val);
if (currDescription == description || currDisplay == description || shortName == description)
{
return val;
}
if (insensitiveCase && (currDescription.ToLower() == description.ToLower() || currDisplay.ToLower() == description.ToLower() || shortName.ToLower() == description.ToLower()))
{
return val;
}
}
Debug.WriteLine("EnumHelper.GetValue: The Description for the enum was not recognized: " + description);
return default(T);
}
/// <summary>
/// The get short name.
/// </summary>
/// <param name="value">
/// The value.
/// </param>
/// <returns>
/// The <see cref="string"/>.
/// </returns>
public static string GetShortName(T value)
{
if (value == null)
{
return string.Empty;
}
FieldInfo fieldInfo = value.GetType().GetField(value.ToString());
if (fieldInfo != null)
{
ShortName[] attributes = (ShortName[])fieldInfo.GetCustomAttributes(typeof(ShortName), false);
return (attributes.Length > 0) ? attributes[0].Name : value.ToString();
}
return string.Empty;
}
public static TH GetAttribute<TH, TK>(TK value) where TH : Attribute
{
if (value == null)
{
return null;
}
FieldInfo fieldInfo = value.GetType().GetField(value.ToString());
if (fieldInfo != null)
{
TH[] attributes = (TH[])fieldInfo.GetCustomAttributes(typeof(TH), false);
return (attributes.Length > 0) ? attributes[0] : null;
}
return null;
}
/// <summary>
/// Return a list of all the enum values.
/// </summary>
/// <returns>
/// An Enum Oject List
/// </returns>
public static IEnumerable<T> GetEnumList()
{
return Enum.GetValues(typeof(T)).Cast<T>().ToList();
}
/// <summary>
/// Get a list of string names for each enum value.
/// </summary>
/// <param name="enumType">
/// The enum type.
/// </param>
/// <returns>
/// A collection of strings that represent all the enum values
/// </returns>
public static IEnumerable<string> GetEnumDisplayValues(Type enumType)
{
var strings = new Collection<string>();
foreach (T e in Enum.GetValues(enumType))
{
strings.Add(GetDisplay(e));
}
return strings;
}
/// <summary>
/// Get a list of string names for each enum value passed in.
/// </summary>
/// <param name="items">
/// The items.
/// </param>
/// <returns>
/// A collection of strings that represent all the enum values
/// </returns>
public static IEnumerable<string> GetEnumDisplayValuesSubset(IEnumerable<T> items)
{
return items.Select(GetDisplay).ToList();
}
}
}
|
