Samuele E. Locatelli
95 lines
2.2 KiB
C#
95 lines
2.2 KiB
C#
using System;
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namespace SCMA
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{
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public static class EnumerationExtensions
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{
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/// <summary>
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/// checks if the value contains the provided type
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/// </summary>
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/// <typeparam name="T"></typeparam>
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/// <param name="type"></param>
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/// <param name="value"></param>
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/// <returns></returns>
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public static bool Has<T>(this System.Enum type, T value)
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{
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try
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{
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return (((int)(object)type & (int)(object)value) == (int)(object)value);
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}
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catch
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{
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return false;
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}
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}
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/// <summary>
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/// checks if the value is only the provided type
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/// </summary>
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/// <typeparam name="T"></typeparam>
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/// <param name="type"></param>
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/// <param name="value"></param>
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/// <returns></returns>
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public static bool Is<T>(this System.Enum type, T value)
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{
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try
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{
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return (int)(object)type == (int)(object)value;
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}
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catch
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{
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return false;
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}
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}
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/// <summary>
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/// appends a value
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/// </summary>
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/// <typeparam name="T"></typeparam>
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/// <param name="type"></param>
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/// <param name="value"></param>
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/// <returns></returns>
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public static T Add<T>(this System.Enum type, T value)
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{
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try
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{
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return (T)(object)(((int)(object)type | (int)(object)value));
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}
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catch (Exception ex)
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{
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throw new ArgumentException(
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string.Format(
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"Could not append value from enumerated type '{0}'.",
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typeof(T).Name
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), ex);
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}
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}
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/// <summary>
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/// completely removes the value
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/// </summary>
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/// <typeparam name="T"></typeparam>
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/// <param name="type"></param>
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/// <param name="value"></param>
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/// <returns></returns>
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public static T Remove<T>(this System.Enum type, T value)
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{
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try
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{
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return (T)(object)(((int)(object)type & ~(int)(object)value));
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}
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catch (Exception ex)
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{
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throw new ArgumentException(
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string.Format(
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"Could not remove value from enumerated type '{0}'.",
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typeof(T).Name
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), ex);
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}
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}
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}
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}
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