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41 lines
1.6 KiB
41 lines
1.6 KiB
// -----------------------------------------------------------------------
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// <copyright file="EnumExtensions.cs" company="James South">
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// Copyright (c) James South.
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// Licensed under the Apache License, Version 2.0.
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// </copyright>
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// -----------------------------------------------------------------------
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namespace ImageProcessor.Helpers.Extensions
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{
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#region Using
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using System;
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using System.ComponentModel;
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using System.Diagnostics.Contracts;
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#endregion
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/// <summary>
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/// Encapsulates a series of time saving extension methods to <see cref="T:System.Enum">Enum</see>s.
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/// </summary>
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public static class EnumExtensions
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{
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#region Methods
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/// <summary>
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/// Extends the <see cref="T:System.Enum">Enum</see> type to return the description attribute for the given type.
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/// Useful for when the type to match in the data source contains spaces.
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/// </summary>
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/// <param name="expression">The given <see cref="T:System.Enum">Enum</see> that this method extends.</param>
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/// <returns>A string containing the Enum's description attribute.</returns>
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public static string ToDescription(this Enum expression)
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{
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Contract.Requires(expression != null);
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DescriptionAttribute[] descriptionAttribute =
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(DescriptionAttribute[])
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expression.GetType().GetField(expression.ToString())
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.GetCustomAttributes(typeof(DescriptionAttribute), false);
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return descriptionAttribute.Length > 0 ? descriptionAttribute[0].Description : expression.ToString();
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}
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#endregion
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}
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}
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