public override object GetMember(Func <object> proceed, object self, string name)
{
if (name == "Cells")
{
// provide a robot for zone manipulation on parent object
return(ClayActivator.CreateInstance(new IClayBehavior[] {
new InterfaceProxyBehavior(),
new CellsBehavior(_cellFactory, self)
}));
}
// Check for other result
var result = proceed();
// No result exists so create a zone
if (((dynamic)result) == null)
{
// substitute nil results with a robot that turns adds a zone on
// the parent when .Add is invoked
return(ClayActivator.CreateInstance(new IClayBehavior[] {
new InterfaceProxyBehavior(),
new NilBehavior(),
new CellOnDemandBehavior(_cellFactory, self, name)
}));
}
return(result);
}
public void ClaySubclassIsActivatedWithoutDynamicProxy()
{
var alpha = ClayActivator.CreateInstance <ClayPlus>(Enumerable.Empty <IClayBehavior>());
var type = alpha.GetType();
Assert.That(type, Is.EqualTo(typeof(ClayPlus)));
}
public override object GetMember(Func <object> proceed, object self, string name)
{
if (name == "Zones")
{
// provide a robot for zone manipulation on parent object
return(ClayActivator.CreateInstance(new IClayBehavior[] {
new InterfaceProxyBehavior(),
new ZonesBehavior(_zoneFactory, self, _layoutShape)
}));
}
var result = proceed();
if (((dynamic)result) == null)
{
// substitute nil results with a robot that turns adds a zone on
// the parent when .Add is invoked
return(ClayActivator.CreateInstance(new IClayBehavior[] {
new InterfaceProxyBehavior(),
new NilBehavior(),
new ZoneOnDemandBehavior(_zoneFactory, self, name)
}));
}
return(result);
}
public void SimpleActivationUsesDefaultClass()
{
var alpha = ClayActivator.CreateInstance(Enumerable.Empty <IClayBehavior>());
var type = alpha.GetType();
Assert.That(type, Is.EqualTo(typeof(Clay)));
}
public dynamic CreateHelper(ViewContext viewContext, IViewDataContainer viewDataContainer)
{
return(ClayActivator.CreateInstance <DisplayHelper>(
_behaviors,
_displayManager,
_shapeFactory,
viewContext,
viewDataContainer));
}
public void ClaySubclassFromAnythingIsActivatedDynamixProxyAddingDlrInterfaces()
{
var alpha = ClayActivator.CreateInstance <Anything>(Enumerable.Empty <IClayBehavior>());
var type = alpha.GetType();
Assert.That(type, Is.Not.EqualTo(typeof(Anything)));
Assert.That(typeof(Anything).IsAssignableFrom(type));
}
public void TestGetPaths()
{
var dynamically = ClayActivator.CreateInstance <Beta>(new[] { new BetaBehavior() });
Beta statically = dynamically;
Assert.That(dynamically.Hello, Is.EqualTo("World-"));
Assert.That(statically.Hello, Is.EqualTo("World-"));
Assert.That(dynamically.Foo, Is.EqualTo("Bar-"));
Assert.Throws <RuntimeBinderException>(() => { var x = dynamically.MissingPropNotHandled; });
}
public override object GetMember(Func <object> proceed, object self, string name)
{
if (name == "Zones")
{
return(ClayActivator.CreateInstance(new IClayBehavior[] {
new InterfaceProxyBehavior(),
new ZonesProxyBehavior(() => proceed(), Proxies, self)
}));
}
// Otherwise proceed to other behaviours, including the original ZoneHoldingBehavior
return(proceed());
}
public override object GetMember(Func <object> proceed, object self, string name)
{
var parentMember = ((dynamic)_parent)[name];
if (parentMember == null)
{
return(ClayActivator.CreateInstance(new IClayBehavior[] {
new InterfaceProxyBehavior(),
new NilBehavior(),
new CellOnDemandBehavior(_cellFactory, _parent, name)
}));
}
return(parentMember);
}
public override object GetMember(Func <object> proceed, object self, string name)
{
// Already have a member?
var existing = proceed();
// Otherwise return a temp clay that will create a stuff when a property is set (or return nil if it's a nested get)
if ((dynamic)existing == null)
{
return(ClayActivator.CreateInstance(new IClayBehavior[] {
new NilBehavior(), // Causes to object to be effectively null until a member is activated
new InterfaceProxyBehavior(),
new StuffBehavior(), // Means that child members will also return StuffOnDemand
new StuffOnDemandBehavior(self, name)
}));
}
return(existing);
}
public void TestInvokePaths()
{
var dynamically = ClayActivator.CreateInstance <Alpha>(new IClayBehavior[] {
new InterfaceProxyBehavior(),
new AlphaBehavior()
});
Alpha statically = dynamically;
IAlpha interfacially = dynamically;
Assert.That(dynamically.Hello(), Is.EqualTo("World-"));
Assert.That(statically.Hello(), Is.EqualTo("World-"));
Assert.That(interfacially.Hello(), Is.EqualTo("World-"));
Assert.That(dynamically.Foo(), Is.EqualTo("Bar-"));
Assert.That(interfacially.Foo(), Is.EqualTo("Bar-"));
Assert.Throws <RuntimeBinderException>(() => dynamically.MissingNotHandled());
}
public void SubclassMembersRemainAvailableStaticallyAndDynamicallyAndViaInterface()
{
var alpha = ClayActivator.CreateInstance <ClayPlus>(new[] { new InterfaceProxyBehavior() });
dynamic dynamically = alpha;
ClayPlus statically = alpha;
IClayPlus interfacially = alpha;
Assert.That(dynamically.Hello, Is.EqualTo("World"));
Assert.That(statically.Hello, Is.EqualTo("World"));
Assert.That(interfacially.Hello, Is.EqualTo("World"));
Assert.That(dynamically.Add(3, 4), Is.EqualTo(7));
Assert.That(statically.Add(3, 4), Is.EqualTo(7));
Assert.That(interfacially.Add(3, 4), Is.EqualTo(7));
Assert.That(interfacially.Add(3, 5), Is.EqualTo(8));
Assert.That(interfacially.Add(3, 6), Is.EqualTo(9));
}
public void BehaviorsCanFilterVirtualMethods()
{
var alpha = ClayActivator.CreateInstance <Anything>(new IClayBehavior[] {
new InterfaceProxyBehavior(),
new AnythingModifier()
});
dynamic dynamically = alpha;
Anything statically = alpha;
IClayPlus interfacially = alpha;
Assert.That(dynamically.Hello, Is.EqualTo("[World]"));
Assert.That(statically.Hello, Is.EqualTo("[World]"));
Assert.That(interfacially.Hello, Is.EqualTo("[World]"));
Assert.That(dynamically.Add(3, 4), Is.EqualTo(9));
Assert.That(statically.Add(3, 4), Is.EqualTo(9));
Assert.That(interfacially.Add(3, 4), Is.EqualTo(9));
Assert.That(interfacially.Add(3, 5), Is.EqualTo(10));
Assert.That(interfacially.Add(3, 6), Is.EqualTo(11));
}
public void SubclassFromAnythingMembersRemainAvailableStaticallyAndDynamicallyAndViaInterface()
{
var alpha = ClayActivator.CreateInstance <Anything>(new[] { new InterfaceProxyBehavior() });
var type = alpha.GetType();
Assert.That(type, Is.Not.EqualTo(typeof(Anything)));
dynamic dynamically = alpha;
Anything statically = alpha;
IClayPlus interfacially = alpha;
Assert.That(dynamically.Hello, Is.EqualTo("World"));
Assert.That(statically.Hello, Is.EqualTo("World"));
Assert.That(interfacially.Hello, Is.EqualTo("World"));
Assert.That(dynamically.Add(3, 4), Is.EqualTo(7));
Assert.That(statically.Add(3, 4), Is.EqualTo(7));
Assert.That(interfacially.Add(3, 4), Is.EqualTo(7));
Assert.That(interfacially.Add(3, 5), Is.EqualTo(8));
Assert.That(interfacially.Add(3, 6), Is.EqualTo(9));
}
public IShape Create(string shapeType, INamedEnumerable <object> parameters, IEnumerable <IClayBehavior> behaviors)
{
var defaultShapeTable = _shapeTableLocator.Value.Lookup(null);
ShapeDescriptor shapeDescriptor;
defaultShapeTable.Descriptors.TryGetValue(shapeType, out shapeDescriptor);
var creatingContext = new ShapeCreatingContext {
New = this,
ShapeFactory = this,
ShapeType = shapeType,
OnCreated = new List <Action <ShapeCreatedContext> >()
};
var positional = parameters.Positional;
creatingContext.BaseType = positional.Take(1).OfType <Type>().SingleOrDefault();
if (creatingContext.BaseType == null)
{
// default to common base class
creatingContext.BaseType = typeof(Shape);
}
else
{
// consume the first argument
positional = positional.Skip(1);
}
if (creatingContext.BaseType == typeof(Array))
{
// array is a hint - not an intended base class
creatingContext.BaseType = typeof(Shape);
creatingContext.Behaviors = new List <IClayBehavior> {
new ClaySharp.Behaviors.InterfaceProxyBehavior(),
new ClaySharp.Behaviors.PropBehavior(),
new ClaySharp.Behaviors.ArrayBehavior(),
new ClaySharp.Behaviors.NilResultBehavior(),
};
}
else
{
creatingContext.Behaviors = new List <IClayBehavior> {
new ClaySharp.Behaviors.InterfaceProxyBehavior(),
new ClaySharp.Behaviors.PropBehavior(),
new ClaySharp.Behaviors.NilResultBehavior(),
new Shape.ShapeBehavior(),
};
}
if (behaviors != null && behaviors.Any())
{
// include behaviors passed in by caller, if any
creatingContext.Behaviors = creatingContext.Behaviors.Concat(behaviors).ToList();
}
// "creating" events may add behaviors and alter base type)
foreach (var ev in _events)
{
ev.Value.Creating(creatingContext);
}
if (shapeDescriptor != null)
{
foreach (var ev in shapeDescriptor.Creating)
{
ev(creatingContext);
}
}
// create the new instance
var createdContext = new ShapeCreatedContext {
New = creatingContext.New,
ShapeType = creatingContext.ShapeType,
Shape = ClayActivator.CreateInstance(creatingContext.BaseType, creatingContext.Behaviors)
};
var shapeMetadata = new ShapeMetadata {
Type = shapeType
};
createdContext.Shape.Metadata = shapeMetadata;
if (shapeDescriptor != null)
{
shapeMetadata.Wrappers = shapeMetadata.Wrappers.Concat(shapeDescriptor.Wrappers).ToList();
}
// "created" events provides default values and new object initialization
foreach (var ev in _events)
{
ev.Value.Created(createdContext);
}
if (shapeDescriptor != null)
{
foreach (var ev in shapeDescriptor.Created)
{
ev(createdContext);
}
}
foreach (var ev in creatingContext.OnCreated)
{
ev(createdContext);
}
// other properties passed with call overlay any defaults, so are after the created events
// only one non-Type, non-named argument is allowed
var initializer = positional.SingleOrDefault();
if (initializer != null)
{
foreach (var prop in initializer.GetType().GetProperties())
{
createdContext.Shape[prop.Name] = prop.GetValue(initializer, null);
}
}
foreach (var kv in parameters.Named)
{
createdContext.Shape[kv.Key] = kv.Value;
}
return(createdContext.Shape);
}
