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feat: Additional EnumUtils methods for excluding/including flags

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This commit is contained in:
Chris Cameron
2018-07-27 11:14:59 -04:00
parent 918e6f5b34
commit 425d651eba
1 changed files with 64 additions and 0 deletions
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64
ICD.Common.Utils/EnumUtils.cs
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@@ -219,6 +219,64 @@ namespace ICD.Common.Utils
#region Flags
/// <summary>
/// Excludes b from a.
/// </summary>
/// <param name="a"></param>
/// <param name="b"></param>
/// <returns></returns>
public static T ExcludeFlags<T>(T a, T b)
where T : struct, IConvertible
{
if (!IsEnumType<T>())
throw new ArgumentException(string.Format("{0} is not an enum", typeof(T).Name));
int aInt = (int)(object)a;
int bInt = (int)(object)b;
return (T)(object)ExcludeFlags(aInt, bInt);
}
/// <summary>
/// Excludes b from a.
/// </summary>
/// <param name="a"></param>
/// <param name="b"></param>
/// <returns></returns>
public static int ExcludeFlags(int a, int b)
{
return a & ~b;
}
/// <summary>
/// Includes a and b.
/// </summary>
/// <param name="a"></param>
/// <param name="b"></param>
/// <returns></returns>
public static T IncludeFlags<T>(T a, T b)
where T : struct, IConvertible
{
if (!IsEnumType<T>())
throw new ArgumentException(string.Format("{0} is not an enum", typeof(T).Name));
int aInt = (int)(object)a;
int bInt = (int)(object)b;
return (T)(object)IncludeFlags(aInt, bInt);
}
/// <summary>
/// Includes a and b.
/// </summary>
/// <param name="a"></param>
/// <param name="b"></param>
/// <returns></returns>
public static int IncludeFlags(int a, int b)
{
return a | b;
}
/// <summary>
/// Gets the overlapping values of the given enum flags.
/// </summary>
@@ -231,6 +289,9 @@ namespace ICD.Common.Utils
if (values == null)
throw new ArgumentNullException("values");
if (!IsEnumType<T>())
throw new ArgumentException(string.Format("{0} is not an enum", typeof(T).Name));
if (values.Length == 0)
return default(T);
@@ -266,6 +327,9 @@ namespace ICD.Common.Utils
public static T GetFlagsIntersection<T>(T a, T b)
where T : struct, IConvertible
{
if (!IsEnumType<T>())
throw new ArgumentException(string.Format("{0} is not an enum", typeof(T).Name));
int aInt = (int)(object)a;
int bInt = (int)(object)b;