blob: cc7dfc43e110c5646902348145b7670d06f17ac1 (
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
|
// --------------------------------------------------------------------------------------------------------------------
// <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 HandBrake.ApplicationServices.Utilities
{
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.ComponentModel;
using System.ComponentModel.DataAnnotations;
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)
{
FieldInfo fieldInfo = value.GetType().GetField(value.ToString());
DescriptionAttribute[] attributes =
(DescriptionAttribute[])fieldInfo.GetCustomAttributes(
typeof(DescriptionAttribute), false);
return (attributes.Length > 0) ? attributes[0].Description : value.ToString();
}
/// <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)
{
FieldInfo fieldInfo = value.GetType().GetField(value.ToString());
DisplayAttribute[] attributes = (DisplayAttribute[])fieldInfo.GetCustomAttributes(typeof(DisplayAttribute), false);
return (attributes.Length > 0) ? attributes[0].Name : value.ToString();
}
/// <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);
if (currDescription == description || currDisplay == description)
{
return val;
}
if (insensitiveCase && (currDescription.ToLower() == description.ToLower() || currDisplay.ToLower() == description.ToLower()))
{
return val;
}
}
throw new ArgumentOutOfRangeException("The Description for the enum was not recognized.");
}
/// <summary>
/// The get short name.
/// </summary>
/// <param name="value">
/// The value.
/// </param>
/// <returns>
/// The <see cref="string"/>.
/// </returns>
public static string GetShortName(T value)
{
FieldInfo fieldInfo = value.GetType().GetField(value.ToString());
ShortName[] attributes = (ShortName[])fieldInfo.GetCustomAttributes(typeof(ShortName), false);
return (attributes.Length > 0) ? attributes[0].Name : value.ToString();
}
/// <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();
}
}
}
|
