Correcting Orchard.Scripting project file and namespaces

--HG--
branch : dev

src/Orchard.Web/Modules/Orchard.Scripting/Services/ScriptingManager.cs

@@ -0,0 +1,37 @@
+using System;
+using Microsoft.Scripting.Hosting;
+
+namespace Orchard.Scripting.Services {
+    public class ScriptingManager : IScriptingManager {
+        private readonly IScriptingRuntime _scriptingRuntime;
+        private Lazy<ScriptScope> _scope;
+        private Lazy<ObjectOperations> _operations;
+
+        public ScriptingManager(IScriptingRuntime scriptingRuntime) {
+            _scriptingRuntime = scriptingRuntime;
+            _scope = new Lazy<ScriptScope>(()=>_scriptingRuntime.CreateScope());
+            _operations = new Lazy<ObjectOperations>(()=>_scope.Value.Engine.CreateOperations());
+        }
+
+        public dynamic GetVariable(string name) {
+            return _scope.Value.GetVariable(name);
+        }
+
+        public void SetVariable(string name, object value) {
+            _scope.Value.SetVariable(name, value);
+        }
+
+        public dynamic ExecuteExpression(string expression) {
+            return _scriptingRuntime.ExecuteExpression(expression, _scope.Value);
+        }
+
+        public dynamic ExecuteOperation(Func<ObjectOperations, object> invoke) {
+            return invoke(_operations.Value);
+        }
+
+        public void ExecuteFile(string fileName) {
+            _scriptingRuntime.ExecuteFile(fileName, _scope.Value);
+        }
+
+    }
+}