public SetProperty ( IeJsPropertyId id, |
||
id | IeJsPropertyId | The ID of the property |
value | The new value of the property | |
useStrictRules | bool | The property set should follow strict mode rules |
Résultat | void |
public override void RemoveVariable(string variableName) { InvokeScript(() => { IeJsValue globalObj = IeJsValue.GlobalObject; IeJsPropertyId variableId = IeJsPropertyId.FromString(variableName); if (globalObj.HasProperty(variableId)) { globalObj.SetProperty(variableId, IeJsValue.Undefined, true); } }); }
private void ProjectMethods(IeJsValue target, Type type, bool instance) { string typeName = type.FullName; BindingFlags defaultBindingFlags = ReflectionHelpers.GetDefaultBindingFlags(instance); MethodInfo[] methods = type.GetMethods(defaultBindingFlags); IEnumerable <IGrouping <string, MethodInfo> > methodGroups = methods.GroupBy(m => m.Name); foreach (IGrouping <string, MethodInfo> methodGroup in methodGroups) { string methodName = methodGroup.Key; MethodInfo[] methodCandidates = methodGroup.ToArray(); IeJsNativeFunction nativeFunction = (callee, isConstructCall, args, argCount, callbackData) => { IeJsValue thisValue = args[0]; IeJsValue undefinedValue = IeJsValue.Undefined; object thisObj = null; if (instance) { if (!thisValue.HasExternalData) { IeJsValue errorValue = IeJsErrorHelpers.CreateTypeError( string.Format(NetCoreStrings.Runtime_InvalidThisContextForHostObjectMethod, methodName)); IeJsErrorHelpers.SetException(errorValue); return(undefinedValue); } thisObj = MapToHostType(thisValue); } object[] processedArgs = MapToHostType(args.Skip(1).ToArray()); var bestFitMethod = (MethodInfo)ReflectionHelpers.GetBestFitMethod( methodCandidates, processedArgs); if (bestFitMethod == null) { IeJsValue errorValue = IeJsErrorHelpers.CreateReferenceError( string.Format(NetCoreStrings.Runtime_SuitableMethodOfHostObjectNotFound, methodName)); IeJsErrorHelpers.SetException(errorValue); return(undefinedValue); } ReflectionHelpers.FixArgumentTypes(ref processedArgs, bestFitMethod.GetParameters()); object result; try { result = bestFitMethod.Invoke(thisObj, processedArgs); } catch (Exception e) { string errorMessage = instance ? string.Format( NetCoreStrings.Runtime_HostObjectMethodInvocationFailed, methodName, e.Message) : string.Format( NetCoreStrings.Runtime_HostTypeMethodInvocationFailed, methodName, typeName, e.Message) ; IeJsValue errorValue = IeJsErrorHelpers.CreateError(errorMessage); IeJsErrorHelpers.SetException(errorValue); return(undefinedValue); } IeJsValue resultValue = MapToScriptType(result); return(resultValue); }; _nativeFunctions.Add(nativeFunction); IeJsValue methodValue = IeJsValue.CreateFunction(nativeFunction); target.SetProperty(methodName, methodValue, true); } }
private void ProjectProperties(IeJsValue target, Type type, bool instance) { string typeName = type.FullName; BindingFlags defaultBindingFlags = ReflectionHelpers.GetDefaultBindingFlags(instance); PropertyInfo[] properties = type.GetProperties(defaultBindingFlags); foreach (PropertyInfo property in properties) { string propertyName = property.Name; IeJsValue descriptorValue = IeJsValue.CreateObject(); descriptorValue.SetProperty("enumerable", IeJsValue.True, true); if (property.GetGetMethod() != null) { IeJsNativeFunction nativeFunction = (callee, isConstructCall, args, argCount, callbackData) => { IeJsValue thisValue = args[0]; IeJsValue undefinedValue = IeJsValue.Undefined; object thisObj = null; if (instance) { if (!thisValue.HasExternalData) { IeJsValue errorValue = IeJsErrorHelpers.CreateTypeError( string.Format(NetCoreStrings.Runtime_InvalidThisContextForHostObjectProperty, propertyName)); IeJsErrorHelpers.SetException(errorValue); return(undefinedValue); } thisObj = MapToHostType(thisValue); } object result; try { result = property.GetValue(thisObj, new object[0]); } catch (Exception e) { string errorMessage = instance ? string.Format( NetCoreStrings.Runtime_HostObjectPropertyGettingFailed, propertyName, e.Message) : string.Format( NetCoreStrings.Runtime_HostTypePropertyGettingFailed, propertyName, typeName, e.Message) ; IeJsValue errorValue = IeJsErrorHelpers.CreateError(errorMessage); IeJsErrorHelpers.SetException(errorValue); return(undefinedValue); } IeJsValue resultValue = MapToScriptType(result); return(resultValue); }; _nativeFunctions.Add(nativeFunction); IeJsValue getMethodValue = IeJsValue.CreateFunction(nativeFunction); descriptorValue.SetProperty("get", getMethodValue, true); } if (property.GetSetMethod() != null) { IeJsNativeFunction nativeFunction = (callee, isConstructCall, args, argCount, callbackData) => { IeJsValue thisValue = args[0]; IeJsValue undefinedValue = IeJsValue.Undefined; object thisObj = null; if (instance) { if (!thisValue.HasExternalData) { IeJsValue errorValue = IeJsErrorHelpers.CreateTypeError( string.Format(NetCoreStrings.Runtime_InvalidThisContextForHostObjectProperty, propertyName)); IeJsErrorHelpers.SetException(errorValue); return(undefinedValue); } thisObj = MapToHostType(thisValue); } object value = MapToHostType(args.Skip(1).First()); ReflectionHelpers.FixPropertyValueType(ref value, property); try { property.SetValue(thisObj, value, new object[0]); } catch (Exception e) { string errorMessage = instance ? string.Format( NetCoreStrings.Runtime_HostObjectPropertySettingFailed, propertyName, e.Message) : string.Format( NetCoreStrings.Runtime_HostTypePropertySettingFailed, propertyName, typeName, e.Message) ; IeJsValue errorValue = IeJsErrorHelpers.CreateError(errorMessage); IeJsErrorHelpers.SetException(errorValue); return(undefinedValue); } return(undefinedValue); }; _nativeFunctions.Add(nativeFunction); IeJsValue setMethodValue = IeJsValue.CreateFunction(nativeFunction); descriptorValue.SetProperty("set", setMethodValue, true); } target.DefineProperty(propertyName, descriptorValue); } }