Reflection_Engine: Added TryRunExtensionMethod

Reflection_Engine/Compute/TryRunExtensionMethod.cs

@@ -0,0 +1,86 @@
+/*
+ * This file is part of the Buildings and Habitats object Model (BHoM)
+ * Copyright (c) 2015 - 2021, the respective contributors. All rights reserved.
+ *
+ * Each contributor holds copyright over their respective contributions.
+ * The project versioning (Git) records all such contribution source information.
+ *                                           
+ *                                                                              
+ * The BHoM is free software: you can redistribute it and/or modify         
+ * it under the terms of the GNU Lesser General Public License as published by  
+ * the Free Software Foundation, either version 3.0 of the License, or          
+ * (at your option) any later version.                                          
+ *                                                                              
+ * The BHoM is distributed in the hope that it will be useful,              
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of               
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the                 
+ * GNU Lesser General Public License for more details.                          
+ *                                                                            
+ * You should have received a copy of the GNU Lesser General Public License     
+ * along with this code. If not, see <https://www.gnu.org/licenses/lgpl-3.0.html>.      
+ */
+
+using BH.oM.Reflection.Debugging;
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.IO;
+using System.Linq;
+using System.Runtime.CompilerServices;
+using System.Reflection;
+using System.Text;
+using System.Threading.Tasks;
+using System.ComponentModel;
+using BH.oM.Reflection.Attributes;
+
+namespace BH.Engine.Reflection
+{
+    public static partial class Compute
+    {
+        /***************************************************/
+        /**** Public Methods                            ****/
+        /***************************************************/
+
+        [Description("Looks for an extension method applicable to the input object with the provided `methodName` and, if found, invokes it.\n" +
+            "Extension methods are searched using Reflection through all BHoM assemblies.\n" +
+            "If no method is found, this returns `false`, and the `result` is null.")]
+        [Input("obj", "Object whose extension method is to be found, and to which the method will be applied in order to obtain the result.")]
+        [Input("methodName", "Name of the extension method defined for the input object that is to be found in any of the BHoM assemblies.")]
+        [Input("result", "Result of the method invocation, if the method had been invoked. If no method is found this is null.")]
+        [Output("True if a method was found and an invocation was attempted. False otherwise.")]
+        public static bool TryRunExtensionMethod(this object obj, string methodName, out object result)
+        {
+            result = null;
+
+            System.Reflection.MethodInfo mi = Reflection.Query.ExtensionMethodToCall(obj, methodName);
+
+            if (mi == null) return false;
+
+            result = Reflection.Compute.RunExtensionMethod(obj, mi);
+            return true;
+        }
+
+        /***************************************************/
+
+        [Description("Looks for an extension method applicable to the input object with the provided `methodName` and  and, if found, invokes it.\n" +
+            "Extension methods are searched using Reflection through all BHoM assemblies.\n" +
+            "If no method is found, this returns `false`, and the `result` is null.")]
+        [Input("obj", "Object whose extension method is to be found, and to which the method will be applied in order to obtain the result.")]
+        [Input("methodName", "Name of the extension method defined for the input object that is to be found in any of the BHoM assemblies.")]
+        [Input("parameters", "The additional arguments of the call to the method, skipping the first argument provided by 'target'.")]
+        [Input("result", "Result of the method invocation, if the method had been invoked. If no method is found this is null.")]
+        [Output("True if a method was found and an invocation was attempted. False otherwise.")]
+        public static bool TryRunExtensionMethod(this object obj, string methodName, object[] parameters, out object result)
+        {
+            result = null;
+
+            System.Reflection.MethodInfo mi = Reflection.Query.ExtensionMethodToCall(obj, methodName, parameters);
+
+            if (mi == null) return false;
+
+            result = Reflection.Compute.RunExtensionMethod(obj, mi, parameters);
+            return true;
+        }
+    }
+}
+

Reflection_Engine/Reflection_Engine.csproj

@@ -100,6 +100,7 @@
     <Compile Include="Compute\DeepDependencies.cs" />
     <Compile Include="Compute\OpenHelpPage.cs" />
     <Compile Include="Compute\RecordError.cs" />
+    <Compile Include="Compute\TryRunExtensionMethod.cs" />
     <Compile Include="Compute\RemoveEvent.cs" />
     <Compile Include="Compute\RecordEvent.cs" />
     <Compile Include="Compute\LoadAllAssemblies.cs" />