merged MemberInfoExtensions into ReflectionExtensions

VolumeControl.TypeExtensions/ReflectionExtensions.cs

@@ -168,5 +168,63 @@ public static void RaiseEvent(this object source, string eventName, object event
             }
         }
         #endregion RaiseEvent
+
+        #region MemberInfo
+        /// <summary>
+        /// Gets the value of the member represented by <paramref name="mInfo"/> from <paramref name="objectInstance"/>.
+        /// </summary>
+        /// <param name="mInfo"><see cref="MemberInfo"/></param>
+        /// <param name="objectInstance">An instance of the object that contains the member represented by <paramref name="mInfo"/>, or <see langword="null"/> if the object is <see langword="static"/>.</param>
+        /// <returns>The value of the member, or <see langword="null"/> if <paramref name="mInfo"/> isn't associated with a field or property.</returns>
+        public static object? GetValue(this MemberInfo mInfo, object? objectInstance) => mInfo.MemberType switch
+        {
+            MemberTypes.Field => ((FieldInfo)mInfo).GetValue(objectInstance),
+            MemberTypes.Property => ((PropertyInfo)mInfo).GetValue(objectInstance),
+            _ => null
+        };
+        /// <summary>
+        /// Sets the value of the member represented by <paramref name="mInfo"/> in <paramref name="objectInstance"/> to <paramref name="value"/>.
+        /// </summary>
+        /// <param name="mInfo"><see cref="MemberInfo"/></param>
+        /// <param name="objectInstance">An instance of the object that contains the member represented by <paramref name="mInfo"/>, or <see langword="null"/> if the object is <see langword="static"/>.</param>
+        /// <param name="value">The value to set this member to.</param>
+        /// <returns><see langword="true"/> when the value of this member was set successfully; <see langword="false"/> when <paramref name="mInfo"/> doesn't represent a field or property.</returns>
+        public static bool SetValue(this MemberInfo mInfo, object? objectInstance, object? value)
+        {
+            switch (mInfo.MemberType)
+            {
+            case MemberTypes.Field:
+                ((FieldInfo)mInfo).SetValue(objectInstance, value);
+                return true;
+            case MemberTypes.Property:
+                ((PropertyInfo)mInfo).SetValue(objectInstance, value);
+                return true;
+            default:
+                return false;
+            }
+        }
+        #endregion MemberInfo
+
+        #region PropertyInfo
+        /// <summary>
+        /// Checks if both the getter and setter of a property are public.
+        /// </summary>
+        /// <param name="pInfo"><see cref="PropertyInfo"/></param>
+        /// <returns><see langword="true"/> when the getter and setter methods are public; otherwise <see langword="false"/>.</returns>
+        public static bool IsPublic(this PropertyInfo pInfo) => (pInfo.SetMethod?.IsPublic ?? false) && (pInfo.GetMethod?.IsPublic ?? false);
+        #endregion PropertyInfo
+
+        #region MethodInfo
+        /// <summary>
+        /// Checks if the method returns a type that has a GetAwaiter() method, and thus can be <see langword="await"/>ed.
+        /// </summary>
+        /// <param name="methodInfo">(implicit) The <see cref="MethodInfo"/> instance representing the method to check.</param>
+        /// <returns><see langword="true"/> when the method is awaitable; otherwise, <see langword="false"/>.</returns>
+        public static bool IsAwaitable(this MethodInfo methodInfo)
+        {
+            var returnType = methodInfo.ReturnType;
+            return returnType != typeof(void) && returnType.GetMethod(nameof(Task.GetAwaiter)) != null;
+        }
+        #endregion MethodInfo
     }
 }